[1] | 1 | /** |
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| 2 | * Author : René-Luc D'Hont |
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| 3 | * |
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| 4 | * Copyright 2010 3liz SARL. All rights reserved. |
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| 5 | * |
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| 6 | * Permission is hereby granted, free of charge, to any person obtaining a copy |
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| 7 | * of this software and associated documentation files (the "Software"), to deal |
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| 8 | * in the Software without restriction, including without limitation the rights |
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| 9 | * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell |
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| 10 | * copies of the Software, and to permit persons to whom the Software is |
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| 11 | * furnished to do so, subject to the following conditions: |
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| 12 | * |
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| 13 | * The above copyright notice and this permission notice shall be included in |
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| 14 | * all copies or substantial portions of the Software. |
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| 15 | * |
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| 16 | * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR |
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| 17 | * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, |
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| 18 | * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE |
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| 19 | * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER |
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| 20 | * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, |
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| 21 | * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN |
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| 22 | * THE SOFTWARE. |
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| 23 | */ |
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| 24 | |
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| 25 | ZOO = { |
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| 26 | SERVICE_ACCEPTED: 0, |
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| 27 | SERVICE_STARTED: 1, |
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| 28 | SERVICE_PAUSED: 2, |
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| 29 | SERVICE_SUCCEEDED: 3, |
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| 30 | SERVICE_FAILED: 4, |
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| 31 | removeItem: function(array, item) { |
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| 32 | for(var i = array.length - 1; i >= 0; i--) { |
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| 33 | if(array[i] == item) { |
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| 34 | array.splice(i,1); |
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| 35 | } |
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| 36 | } |
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| 37 | return array; |
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| 38 | }, |
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| 39 | indexOf: function(array, obj) { |
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| 40 | for(var i=0, len=array.length; i<len; i++) { |
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| 41 | if (array[i] == obj) |
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| 42 | return i; |
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| 43 | } |
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| 44 | return -1; |
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| 45 | }, |
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| 46 | extend: function(destination, source) { |
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| 47 | destination = destination || {}; |
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| 48 | if(source) { |
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| 49 | for(var property in source) { |
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| 50 | var value = source[property]; |
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| 51 | if(value !== undefined) |
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| 52 | destination[property] = value; |
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| 53 | } |
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| 54 | } |
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| 55 | return destination; |
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| 56 | }, |
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| 57 | Class: function() { |
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| 58 | var Class = function() { |
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| 59 | this.initialize.apply(this, arguments); |
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| 60 | }; |
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| 61 | var extended = {}; |
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| 62 | var parent; |
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| 63 | for(var i=0; i<arguments.length; ++i) { |
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| 64 | if(typeof arguments[i] == "function") { |
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| 65 | // get the prototype of the superclass |
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| 66 | parent = arguments[i].prototype; |
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| 67 | } else { |
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| 68 | // in this case we're extending with the prototype |
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| 69 | parent = arguments[i]; |
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| 70 | } |
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| 71 | ZOO.extend(extended, parent); |
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| 72 | } |
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| 73 | Class.prototype = extended; |
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| 74 | |
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| 75 | return Class; |
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| 76 | } |
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| 77 | }; |
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| 78 | |
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| 79 | ZOO.String = { |
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| 80 | startsWith: function(str, sub) { |
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| 81 | return (str.indexOf(sub) == 0); |
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| 82 | }, |
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| 83 | contains: function(str, sub) { |
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| 84 | return (str.indexOf(sub) != -1); |
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| 85 | }, |
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| 86 | trim: function(str) { |
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| 87 | return str.replace(/^\s\s*/, '').replace(/\s\s*$/, ''); |
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| 88 | }, |
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| 89 | camelize: function(str) { |
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| 90 | var oStringList = str.split('-'); |
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| 91 | var camelizedString = oStringList[0]; |
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| 92 | for (var i=1, len=oStringList.length; i<len; i++) { |
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| 93 | var s = oStringList[i]; |
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| 94 | camelizedString += s.charAt(0).toUpperCase() + s.substring(1); |
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| 95 | } |
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| 96 | return camelizedString; |
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| 97 | }, |
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| 98 | tokenRegEx: /\$\{([\w.]+?)\}/g, |
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| 99 | numberRegEx: /^([+-]?)(?=\d|\.\d)\d*(\.\d*)?([Ee]([+-]?\d+))?$/, |
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| 100 | isNumeric: function(value) { |
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| 101 | return ZOO.String.numberRegEx.test(value); |
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| 102 | }, |
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| 103 | numericIf: function(value) { |
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| 104 | return ZOO.String.isNumeric(value) ? parseFloat(value) : value; |
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| 105 | } |
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| 106 | }; |
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| 107 | |
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| 108 | ZOO.Request = { |
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| 109 | Get: function(url,params) { |
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| 110 | var paramsArray = []; |
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| 111 | for (var key in params) { |
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| 112 | var value = params[key]; |
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| 113 | if ((value != null) && (typeof value != 'function')) { |
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| 114 | var encodedValue; |
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| 115 | if (typeof value == 'object' && value.constructor == Array) { |
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| 116 | /* value is an array; encode items and separate with "," */ |
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| 117 | var encodedItemArray = []; |
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| 118 | for (var itemIndex=0, len=value.length; itemIndex<len; itemIndex++) { |
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| 119 | encodedItemArray.push(encodeURIComponent(value[itemIndex])); |
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| 120 | } |
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| 121 | encodedValue = encodedItemArray.join(","); |
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| 122 | } |
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| 123 | else { |
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| 124 | /* value is a string; simply encode */ |
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| 125 | encodedValue = encodeURIComponent(value); |
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| 126 | } |
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| 127 | paramsArray.push(encodeURIComponent(key) + "=" + encodedValue); |
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| 128 | } |
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| 129 | } |
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| 130 | var paramString = paramsArray.join("&"); |
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| 131 | if(paramString.length > 0) { |
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| 132 | var separator = (url.indexOf('?') > -1) ? '&' : '?'; |
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| 133 | url += separator + paramString; |
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| 134 | } |
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| 135 | return ZOORequest('GET',url); |
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| 136 | }, |
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| 137 | Post: function(url,body,headers) { |
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| 138 | if(!(headers instanceof Array)) { |
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| 139 | var headersArray = []; |
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| 140 | for (var hname in headers) { |
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| 141 | headersArray.push(name+': '+headers[name]); |
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| 142 | } |
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| 143 | headers = headersArray; |
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| 144 | } |
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| 145 | return ZOORequest('POST',url,body,headers); |
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| 146 | } |
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| 147 | }; |
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| 148 | |
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| 149 | ZOO.Bounds = ZOO.Class({ |
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| 150 | left: null, |
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| 151 | bottom: null, |
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| 152 | right: null, |
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| 153 | top: null, |
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| 154 | initialize: function(left, bottom, right, top) { |
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| 155 | if (left != null) |
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| 156 | this.left = parseFloat(left); |
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| 157 | if (bottom != null) |
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| 158 | this.bottom = parseFloat(bottom); |
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| 159 | if (right != null) |
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| 160 | this.right = parseFloat(right); |
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| 161 | if (top != null) |
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| 162 | this.top = parseFloat(top); |
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| 163 | }, |
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| 164 | clone:function() { |
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| 165 | return new ZOO.Bounds(this.left, this.bottom, |
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| 166 | this.right, this.top); |
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| 167 | }, |
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| 168 | equals:function(bounds) { |
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| 169 | var equals = false; |
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| 170 | if (bounds != null) |
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| 171 | equals = ((this.left == bounds.left) && |
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| 172 | (this.right == bounds.right) && |
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| 173 | (this.top == bounds.top) && |
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| 174 | (this.bottom == bounds.bottom)); |
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| 175 | return equals; |
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| 176 | }, |
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| 177 | toString:function() { |
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| 178 | return ( "left-bottom=(" + this.left + "," + this.bottom + ")" |
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| 179 | + " right-top=(" + this.right + "," + this.top + ")" ); |
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| 180 | }, |
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| 181 | toArray: function() { |
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| 182 | return [this.left, this.bottom, this.right, this.top]; |
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| 183 | }, |
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| 184 | toBBOX:function(decimal) { |
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| 185 | if (decimal== null) |
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| 186 | decimal = 6; |
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| 187 | var mult = Math.pow(10, decimal); |
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| 188 | var bbox = Math.round(this.left * mult) / mult + "," + |
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| 189 | Math.round(this.bottom * mult) / mult + "," + |
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| 190 | Math.round(this.right * mult) / mult + "," + |
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| 191 | Math.round(this.top * mult) / mult; |
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| 192 | return bbox; |
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| 193 | }, |
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| 194 | toGeometry: function() { |
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| 195 | return new ZOO.Geometry.Polygon([ |
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| 196 | new ZOO.Geometry.LinearRing([ |
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| 197 | new ZOO.Geometry.Point(this.left, this.bottom), |
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| 198 | new ZOO.Geometry.Point(this.right, this.bottom), |
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| 199 | new ZOO.Geometry.Point(this.right, this.top), |
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| 200 | new ZOO.Geometry.Point(this.left, this.top) |
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| 201 | ]) |
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| 202 | ]); |
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| 203 | }, |
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| 204 | getWidth:function() { |
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| 205 | return (this.right - this.left); |
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| 206 | }, |
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| 207 | getHeight:function() { |
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| 208 | return (this.top - this.bottom); |
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| 209 | }, |
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| 210 | add:function(x, y) { |
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| 211 | if ( (x == null) || (y == null) ) |
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| 212 | return null; |
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| 213 | return new ZOO.Bounds(this.left + x, this.bottom + y, |
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| 214 | this.right + x, this.top + y); |
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| 215 | }, |
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| 216 | extend:function(object) { |
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| 217 | var bounds = null; |
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| 218 | if (object) { |
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| 219 | // clear cached center location |
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| 220 | switch(object.CLASS_NAME) { |
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| 221 | case "ZOO.Geometry.Point": |
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| 222 | bounds = new ZOO.Bounds(object.x, object.y, |
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| 223 | object.x, object.y); |
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| 224 | break; |
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| 225 | case "ZOO.Bounds": |
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| 226 | bounds = object; |
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| 227 | break; |
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| 228 | } |
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| 229 | if (bounds) { |
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| 230 | if ( (this.left == null) || (bounds.left < this.left)) |
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| 231 | this.left = bounds.left; |
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| 232 | if ( (this.bottom == null) || (bounds.bottom < this.bottom) ) |
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| 233 | this.bottom = bounds.bottom; |
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| 234 | if ( (this.right == null) || (bounds.right > this.right) ) |
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| 235 | this.right = bounds.right; |
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| 236 | if ( (this.top == null) || (bounds.top > this.top) ) |
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| 237 | this.top = bounds.top; |
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| 238 | } |
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| 239 | } |
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| 240 | }, |
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| 241 | contains:function(x, y, inclusive) { |
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| 242 | //set default |
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| 243 | if (inclusive == null) |
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| 244 | inclusive = true; |
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| 245 | if (x == null || y == null) |
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| 246 | return false; |
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| 247 | x = parseFloat(x); |
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| 248 | y = parseFloat(y); |
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| 249 | |
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| 250 | var contains = false; |
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| 251 | if (inclusive) |
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| 252 | contains = ((x >= this.left) && (x <= this.right) && |
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| 253 | (y >= this.bottom) && (y <= this.top)); |
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| 254 | else |
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| 255 | contains = ((x > this.left) && (x < this.right) && |
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| 256 | (y > this.bottom) && (y < this.top)); |
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| 257 | return contains; |
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| 258 | }, |
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| 259 | intersectsBounds:function(bounds, inclusive) { |
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| 260 | if (inclusive == null) |
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| 261 | inclusive = true; |
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| 262 | var intersects = false; |
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| 263 | var mightTouch = ( |
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| 264 | this.left == bounds.right || |
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| 265 | this.right == bounds.left || |
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| 266 | this.top == bounds.bottom || |
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| 267 | this.bottom == bounds.top |
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| 268 | ); |
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| 269 | if (inclusive || !mightTouch) { |
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| 270 | var inBottom = ( |
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| 271 | ((bounds.bottom >= this.bottom) && (bounds.bottom <= this.top)) || |
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| 272 | ((this.bottom >= bounds.bottom) && (this.bottom <= bounds.top)) |
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| 273 | ); |
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| 274 | var inTop = ( |
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| 275 | ((bounds.top >= this.bottom) && (bounds.top <= this.top)) || |
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| 276 | ((this.top > bounds.bottom) && (this.top < bounds.top)) |
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| 277 | ); |
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| 278 | var inLeft = ( |
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| 279 | ((bounds.left >= this.left) && (bounds.left <= this.right)) || |
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| 280 | ((this.left >= bounds.left) && (this.left <= bounds.right)) |
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| 281 | ); |
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| 282 | var inRight = ( |
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| 283 | ((bounds.right >= this.left) && (bounds.right <= this.right)) || |
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| 284 | ((this.right >= bounds.left) && (this.right <= bounds.right)) |
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| 285 | ); |
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| 286 | intersects = ((inBottom || inTop) && (inLeft || inRight)); |
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| 287 | } |
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| 288 | return intersects; |
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| 289 | }, |
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| 290 | containsBounds:function(bounds, partial, inclusive) { |
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| 291 | if (partial == null) |
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| 292 | partial = false; |
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| 293 | if (inclusive == null) |
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| 294 | inclusive = true; |
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| 295 | var bottomLeft = this.contains(bounds.left, bounds.bottom, inclusive); |
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| 296 | var bottomRight = this.contains(bounds.right, bounds.bottom, inclusive); |
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| 297 | var topLeft = this.contains(bounds.left, bounds.top, inclusive); |
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| 298 | var topRight = this.contains(bounds.right, bounds.top, inclusive); |
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| 299 | return (partial) ? (bottomLeft || bottomRight || topLeft || topRight) |
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| 300 | : (bottomLeft && bottomRight && topLeft && topRight); |
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| 301 | }, |
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| 302 | CLASS_NAME: 'ZOO.Bounds' |
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| 303 | }); |
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| 304 | |
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| 305 | ZOO.Projection = ZOO.Class({ |
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| 306 | proj: null, |
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| 307 | projCode: null, |
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| 308 | initialize: function(projCode, options) { |
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| 309 | ZOO.extend(this, options); |
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| 310 | this.projCode = projCode; |
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| 311 | if (Proj4js) { |
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| 312 | this.proj = new Proj4js.Proj(projCode); |
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| 313 | } |
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| 314 | }, |
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| 315 | getCode: function() { |
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| 316 | return this.proj ? this.proj.srsCode : this.projCode; |
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| 317 | }, |
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| 318 | getUnits: function() { |
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| 319 | return this.proj ? this.proj.units : null; |
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| 320 | }, |
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| 321 | toString: function() { |
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| 322 | return this.getCode(); |
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| 323 | }, |
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| 324 | equals: function(projection) { |
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| 325 | if (projection && projection.getCode) |
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| 326 | return this.getCode() == projection.getCode(); |
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| 327 | else |
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| 328 | return false; |
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| 329 | }, |
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| 330 | destroy: function() { |
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| 331 | this.proj = null; |
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| 332 | this.projCode = null; |
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| 333 | }, |
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| 334 | CLASS_NAME: 'ZOO.Projection' |
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| 335 | }); |
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| 336 | ZOO.Projection.transform = function(point, source, dest) { |
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| 337 | if (source.proj && dest.proj) |
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| 338 | point = Proj4js.transform(source.proj, dest.proj, point); |
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| 339 | return point; |
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| 340 | }; |
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| 341 | |
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| 342 | ZOO.Format = ZOO.Class({ |
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| 343 | options:null, |
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| 344 | externalProjection: null, |
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| 345 | internalProjection: null, |
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| 346 | data: null, |
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| 347 | keepData: false, |
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| 348 | initialize: function(options) { |
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| 349 | ZOO.extend(this, options); |
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| 350 | this.options = options; |
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| 351 | }, |
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| 352 | destroy: function() { |
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| 353 | }, |
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| 354 | read: function(data) { |
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| 355 | }, |
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| 356 | write: function(data) { |
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| 357 | }, |
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| 358 | CLASS_NAME: 'ZOO.Format' |
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| 359 | }); |
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| 360 | ZOO.Format.WKT = ZOO.Class(ZOO.Format, { |
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| 361 | initialize: function(options) { |
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| 362 | this.regExes = { |
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| 363 | 'typeStr': /^\s*(\w+)\s*\(\s*(.*)\s*\)\s*$/, |
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| 364 | 'spaces': /\s+/, |
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| 365 | 'parenComma': /\)\s*,\s*\(/, |
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| 366 | 'doubleParenComma': /\)\s*\)\s*,\s*\(\s*\(/, // can't use {2} here |
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| 367 | 'trimParens': /^\s*\(?(.*?)\)?\s*$/ |
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| 368 | }; |
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| 369 | ZOO.Format.prototype.initialize.apply(this, [options]); |
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| 370 | }, |
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| 371 | read: function(wkt) { |
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| 372 | var features, type, str; |
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| 373 | var matches = this.regExes.typeStr.exec(wkt); |
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| 374 | if(matches) { |
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| 375 | type = matches[1].toLowerCase(); |
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| 376 | str = matches[2]; |
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| 377 | if(this.parse[type]) { |
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| 378 | features = this.parse[type].apply(this, [str]); |
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| 379 | } |
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| 380 | if (this.internalProjection && this.externalProjection) { |
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| 381 | if (features && |
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| 382 | features.CLASS_NAME == "ZOO.Feature") { |
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| 383 | features.geometry.transform(this.externalProjection, |
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| 384 | this.internalProjection); |
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| 385 | } else if (features && |
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| 386 | type != "geometrycollection" && |
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| 387 | typeof features == "object") { |
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| 388 | for (var i=0, len=features.length; i<len; i++) { |
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| 389 | var component = features[i]; |
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| 390 | component.geometry.transform(this.externalProjection, |
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| 391 | this.internalProjection); |
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| 392 | } |
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| 393 | } |
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| 394 | } |
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| 395 | } |
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| 396 | return features; |
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| 397 | }, |
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| 398 | write: function(features) { |
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| 399 | var collection, geometry, type, data, isCollection; |
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| 400 | if(features.constructor == Array) { |
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| 401 | collection = features; |
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| 402 | isCollection = true; |
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| 403 | } else { |
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| 404 | collection = [features]; |
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| 405 | isCollection = false; |
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| 406 | } |
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| 407 | var pieces = []; |
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| 408 | if(isCollection) |
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| 409 | pieces.push('GEOMETRYCOLLECTION('); |
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| 410 | for(var i=0, len=collection.length; i<len; ++i) { |
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| 411 | if(isCollection && i>0) |
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| 412 | pieces.push(','); |
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| 413 | geometry = collection[i].geometry; |
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| 414 | type = geometry.CLASS_NAME.split('.')[2].toLowerCase(); |
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| 415 | if(!this.extract[type]) |
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| 416 | return null; |
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| 417 | if (this.internalProjection && this.externalProjection) { |
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| 418 | geometry = geometry.clone(); |
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| 419 | geometry.transform(this.internalProjection, |
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| 420 | this.externalProjection); |
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| 421 | } |
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| 422 | data = this.extract[type].apply(this, [geometry]); |
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| 423 | pieces.push(type.toUpperCase() + '(' + data + ')'); |
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| 424 | } |
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| 425 | if(isCollection) |
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| 426 | pieces.push(')'); |
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| 427 | return pieces.join(''); |
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| 428 | }, |
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| 429 | extract: { |
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| 430 | 'point': function(point) { |
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| 431 | return point.x + ' ' + point.y; |
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| 432 | }, |
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| 433 | 'multipoint': function(multipoint) { |
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| 434 | var array = []; |
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| 435 | for(var i=0, len=multipoint.components.length; i<len; ++i) { |
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| 436 | array.push(this.extract.point.apply(this, [multipoint.components[i]])); |
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| 437 | } |
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| 438 | return array.join(','); |
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| 439 | }, |
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| 440 | 'linestring': function(linestring) { |
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| 441 | var array = []; |
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| 442 | for(var i=0, len=linestring.components.length; i<len; ++i) { |
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| 443 | array.push(this.extract.point.apply(this, [linestring.components[i]])); |
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| 444 | } |
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| 445 | return array.join(','); |
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| 446 | }, |
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| 447 | 'multilinestring': function(multilinestring) { |
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| 448 | var array = []; |
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| 449 | for(var i=0, len=multilinestring.components.length; i<len; ++i) { |
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| 450 | array.push('(' + |
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| 451 | this.extract.linestring.apply(this, [multilinestring.components[i]]) + |
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| 452 | ')'); |
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| 453 | } |
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| 454 | return array.join(','); |
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| 455 | }, |
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| 456 | 'polygon': function(polygon) { |
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| 457 | var array = []; |
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| 458 | for(var i=0, len=polygon.components.length; i<len; ++i) { |
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| 459 | array.push('(' + |
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| 460 | this.extract.linestring.apply(this, [polygon.components[i]]) + |
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| 461 | ')'); |
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| 462 | } |
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| 463 | return array.join(','); |
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| 464 | }, |
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| 465 | 'multipolygon': function(multipolygon) { |
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| 466 | var array = []; |
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| 467 | for(var i=0, len=multipolygon.components.length; i<len; ++i) { |
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| 468 | array.push('(' + |
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| 469 | this.extract.polygon.apply(this, [multipolygon.components[i]]) + |
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| 470 | ')'); |
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| 471 | } |
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| 472 | return array.join(','); |
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| 473 | } |
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| 474 | }, |
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| 475 | parse: { |
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| 476 | 'point': function(str) { |
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| 477 | var coords = ZOO.String.trim(str).split(this.regExes.spaces); |
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| 478 | return new ZOO.Feature( |
---|
| 479 | new ZOO.Geometry.Point(coords[0], coords[1]) |
---|
| 480 | ); |
---|
| 481 | }, |
---|
| 482 | 'multipoint': function(str) { |
---|
| 483 | var points = ZOO.String.trim(str).split(','); |
---|
| 484 | var components = []; |
---|
| 485 | for(var i=0, len=points.length; i<len; ++i) { |
---|
| 486 | components.push(this.parse.point.apply(this, [points[i]]).geometry); |
---|
| 487 | } |
---|
| 488 | return new ZOO.Feature( |
---|
| 489 | new ZOO.Geometry.MultiPoint(components) |
---|
| 490 | ); |
---|
| 491 | }, |
---|
| 492 | 'linestring': function(str) { |
---|
| 493 | var points = ZOO.String.trim(str).split(','); |
---|
| 494 | var components = []; |
---|
| 495 | for(var i=0, len=points.length; i<len; ++i) { |
---|
| 496 | components.push(this.parse.point.apply(this, [points[i]]).geometry); |
---|
| 497 | } |
---|
| 498 | return new ZOO.Feature( |
---|
| 499 | new ZOO.Geometry.LineString(components) |
---|
| 500 | ); |
---|
| 501 | }, |
---|
| 502 | 'multilinestring': function(str) { |
---|
| 503 | var line; |
---|
| 504 | var lines = ZOO.String.trim(str).split(this.regExes.parenComma); |
---|
| 505 | var components = []; |
---|
| 506 | for(var i=0, len=lines.length; i<len; ++i) { |
---|
| 507 | line = lines[i].replace(this.regExes.trimParens, '$1'); |
---|
| 508 | components.push(this.parse.linestring.apply(this, [line]).geometry); |
---|
| 509 | } |
---|
| 510 | return new ZOO.Feature( |
---|
| 511 | new ZOO.Geometry.MultiLineString(components) |
---|
| 512 | ); |
---|
| 513 | }, |
---|
| 514 | 'polygon': function(str) { |
---|
| 515 | var ring, linestring, linearring; |
---|
| 516 | var rings = ZOO.String.trim(str).split(this.regExes.parenComma); |
---|
| 517 | var components = []; |
---|
| 518 | for(var i=0, len=rings.length; i<len; ++i) { |
---|
| 519 | ring = rings[i].replace(this.regExes.trimParens, '$1'); |
---|
| 520 | linestring = this.parse.linestring.apply(this, [ring]).geometry; |
---|
| 521 | linearring = new ZOO.Geometry.LinearRing(linestring.components); |
---|
| 522 | components.push(linearring); |
---|
| 523 | } |
---|
| 524 | return new ZOO.Feature( |
---|
| 525 | new ZOO.Geometry.Polygon(components) |
---|
| 526 | ); |
---|
| 527 | }, |
---|
| 528 | 'multipolygon': function(str) { |
---|
| 529 | var polygon; |
---|
| 530 | var polygons = ZOO.String.trim(str).split(this.regExes.doubleParenComma); |
---|
| 531 | var components = []; |
---|
| 532 | for(var i=0, len=polygons.length; i<len; ++i) { |
---|
| 533 | polygon = polygons[i].replace(this.regExes.trimParens, '$1'); |
---|
| 534 | components.push(this.parse.polygon.apply(this, [polygon]).geometry); |
---|
| 535 | } |
---|
| 536 | return new ZOO.Feature( |
---|
| 537 | new ZOO.Geometry.MultiPolygon(components) |
---|
| 538 | ); |
---|
| 539 | }, |
---|
| 540 | 'geometrycollection': function(str) { |
---|
| 541 | // separate components of the collection with | |
---|
| 542 | str = str.replace(/,\s*([A-Za-z])/g, '|$1'); |
---|
| 543 | var wktArray = ZOO.String.trim(str).split('|'); |
---|
| 544 | var components = []; |
---|
| 545 | for(var i=0, len=wktArray.length; i<len; ++i) { |
---|
| 546 | components.push(ZOO.Format.WKT.prototype.read.apply(this,[wktArray[i]])); |
---|
| 547 | } |
---|
| 548 | return components; |
---|
| 549 | } |
---|
| 550 | }, |
---|
| 551 | CLASS_NAME: 'ZOO.Format.WKT' |
---|
| 552 | }); |
---|
| 553 | ZOO.Format.JSON = ZOO.Class(ZOO.Format, { |
---|
| 554 | indent: " ", |
---|
| 555 | space: " ", |
---|
| 556 | newline: "\n", |
---|
| 557 | level: 0, |
---|
| 558 | pretty: false, |
---|
| 559 | initialize: function(options) { |
---|
| 560 | ZOO.Format.prototype.initialize.apply(this, [options]); |
---|
| 561 | }, |
---|
| 562 | read: function(json, filter) { |
---|
| 563 | try { |
---|
| 564 | if (/^[\],:{}\s]*$/.test(json.replace(/\\["\\\/bfnrtu]/g, '@'). |
---|
| 565 | replace(/"[^"\\\n\r]*"|true|false|null|-?\d+(?:\.\d*)?(?:[eE][+\-]?\d+)?/g, ']'). |
---|
| 566 | replace(/(?:^|:|,)(?:\s*\[)+/g, ''))) { |
---|
| 567 | var object = eval('(' + json + ')'); |
---|
| 568 | if(typeof filter === 'function') { |
---|
| 569 | function walk(k, v) { |
---|
| 570 | if(v && typeof v === 'object') { |
---|
| 571 | for(var i in v) { |
---|
| 572 | if(v.hasOwnProperty(i)) { |
---|
| 573 | v[i] = walk(i, v[i]); |
---|
| 574 | } |
---|
| 575 | } |
---|
| 576 | } |
---|
| 577 | return filter(k, v); |
---|
| 578 | } |
---|
| 579 | object = walk('', object); |
---|
| 580 | } |
---|
| 581 | if(this.keepData) { |
---|
| 582 | this.data = object; |
---|
| 583 | } |
---|
| 584 | return object; |
---|
| 585 | } |
---|
| 586 | } catch(e) { |
---|
| 587 | // Fall through if the regexp test fails. |
---|
| 588 | } |
---|
| 589 | return null; |
---|
| 590 | }, |
---|
| 591 | write: function(value, pretty) { |
---|
| 592 | this.pretty = !!pretty; |
---|
| 593 | var json = null; |
---|
| 594 | var type = typeof value; |
---|
| 595 | if(this.serialize[type]) { |
---|
| 596 | try { |
---|
| 597 | json = this.serialize[type].apply(this, [value]); |
---|
| 598 | } catch(err) { |
---|
| 599 | //OpenLayers.Console.error("Trouble serializing: " + err); |
---|
| 600 | } |
---|
| 601 | } |
---|
| 602 | return json; |
---|
| 603 | }, |
---|
| 604 | writeIndent: function() { |
---|
| 605 | var pieces = []; |
---|
| 606 | if(this.pretty) { |
---|
| 607 | for(var i=0; i<this.level; ++i) { |
---|
| 608 | pieces.push(this.indent); |
---|
| 609 | } |
---|
| 610 | } |
---|
| 611 | return pieces.join(''); |
---|
| 612 | }, |
---|
| 613 | writeNewline: function() { |
---|
| 614 | return (this.pretty) ? this.newline : ''; |
---|
| 615 | }, |
---|
| 616 | writeSpace: function() { |
---|
| 617 | return (this.pretty) ? this.space : ''; |
---|
| 618 | }, |
---|
| 619 | serialize: { |
---|
| 620 | 'object': function(object) { |
---|
| 621 | // three special objects that we want to treat differently |
---|
| 622 | if(object == null) |
---|
| 623 | return "null"; |
---|
| 624 | if(object.constructor == Date) |
---|
| 625 | return this.serialize.date.apply(this, [object]); |
---|
| 626 | if(object.constructor == Array) |
---|
| 627 | return this.serialize.array.apply(this, [object]); |
---|
| 628 | var pieces = ['{']; |
---|
| 629 | this.level += 1; |
---|
| 630 | var key, keyJSON, valueJSON; |
---|
| 631 | |
---|
| 632 | var addComma = false; |
---|
| 633 | for(key in object) { |
---|
| 634 | if(object.hasOwnProperty(key)) { |
---|
| 635 | // recursive calls need to allow for sub-classing |
---|
| 636 | keyJSON = ZOO.Format.JSON.prototype.write.apply(this, |
---|
| 637 | [key, this.pretty]); |
---|
| 638 | valueJSON = ZOO.Format.JSON.prototype.write.apply(this, |
---|
| 639 | [object[key], this.pretty]); |
---|
| 640 | if(keyJSON != null && valueJSON != null) { |
---|
| 641 | if(addComma) |
---|
| 642 | pieces.push(','); |
---|
| 643 | pieces.push(this.writeNewline(), this.writeIndent(), |
---|
| 644 | keyJSON, ':', this.writeSpace(), valueJSON); |
---|
| 645 | addComma = true; |
---|
| 646 | } |
---|
| 647 | } |
---|
| 648 | } |
---|
| 649 | this.level -= 1; |
---|
| 650 | pieces.push(this.writeNewline(), this.writeIndent(), '}'); |
---|
| 651 | return pieces.join(''); |
---|
| 652 | }, |
---|
| 653 | 'array': function(array) { |
---|
| 654 | var json; |
---|
| 655 | var pieces = ['[']; |
---|
| 656 | this.level += 1; |
---|
| 657 | for(var i=0, len=array.length; i<len; ++i) { |
---|
| 658 | // recursive calls need to allow for sub-classing |
---|
| 659 | json = ZOO.Format.JSON.prototype.write.apply(this, |
---|
| 660 | [array[i], this.pretty]); |
---|
| 661 | if(json != null) { |
---|
| 662 | if(i > 0) |
---|
| 663 | pieces.push(','); |
---|
| 664 | pieces.push(this.writeNewline(), this.writeIndent(), json); |
---|
| 665 | } |
---|
| 666 | } |
---|
| 667 | this.level -= 1; |
---|
| 668 | pieces.push(this.writeNewline(), this.writeIndent(), ']'); |
---|
| 669 | return pieces.join(''); |
---|
| 670 | }, |
---|
| 671 | 'string': function(string) { |
---|
| 672 | var m = { |
---|
| 673 | '\b': '\\b', |
---|
| 674 | '\t': '\\t', |
---|
| 675 | '\n': '\\n', |
---|
| 676 | '\f': '\\f', |
---|
| 677 | '\r': '\\r', |
---|
| 678 | '"' : '\\"', |
---|
| 679 | '\\': '\\\\' |
---|
| 680 | }; |
---|
| 681 | if(/["\\\x00-\x1f]/.test(string)) { |
---|
| 682 | return '"' + string.replace(/([\x00-\x1f\\"])/g, function(a, b) { |
---|
| 683 | var c = m[b]; |
---|
| 684 | if(c) |
---|
| 685 | return c; |
---|
| 686 | c = b.charCodeAt(); |
---|
| 687 | return '\\u00' + |
---|
| 688 | Math.floor(c / 16).toString(16) + |
---|
| 689 | (c % 16).toString(16); |
---|
| 690 | }) + '"'; |
---|
| 691 | } |
---|
| 692 | return '"' + string + '"'; |
---|
| 693 | }, |
---|
| 694 | 'number': function(number) { |
---|
| 695 | return isFinite(number) ? String(number) : "null"; |
---|
| 696 | }, |
---|
| 697 | 'boolean': function(bool) { |
---|
| 698 | return String(bool); |
---|
| 699 | }, |
---|
| 700 | 'date': function(date) { |
---|
| 701 | function format(number) { |
---|
| 702 | // Format integers to have at least two digits. |
---|
| 703 | return (number < 10) ? '0' + number : number; |
---|
| 704 | } |
---|
| 705 | return '"' + date.getFullYear() + '-' + |
---|
| 706 | format(date.getMonth() + 1) + '-' + |
---|
| 707 | format(date.getDate()) + 'T' + |
---|
| 708 | format(date.getHours()) + ':' + |
---|
| 709 | format(date.getMinutes()) + ':' + |
---|
| 710 | format(date.getSeconds()) + '"'; |
---|
| 711 | } |
---|
| 712 | }, |
---|
| 713 | CLASS_NAME: 'ZOO.Format.JSON' |
---|
| 714 | }); |
---|
| 715 | ZOO.Format.GeoJSON = ZOO.Class(ZOO.Format.JSON, { |
---|
| 716 | initialize: function(options) { |
---|
| 717 | ZOO.Format.JSON.prototype.initialize.apply(this, [options]); |
---|
| 718 | }, |
---|
| 719 | read: function(json, type, filter) { |
---|
| 720 | type = (type) ? type : "FeatureCollection"; |
---|
| 721 | var results = null; |
---|
| 722 | var obj = null; |
---|
| 723 | if (typeof json == "string") |
---|
| 724 | obj = ZOO.Format.JSON.prototype.read.apply(this,[json, filter]); |
---|
| 725 | else |
---|
| 726 | obj = json; |
---|
| 727 | if(!obj) { |
---|
| 728 | //OpenLayers.Console.error("Bad JSON: " + json); |
---|
| 729 | } else if(typeof(obj.type) != "string") { |
---|
| 730 | //OpenLayers.Console.error("Bad GeoJSON - no type: " + json); |
---|
| 731 | } else if(this.isValidType(obj, type)) { |
---|
| 732 | switch(type) { |
---|
| 733 | case "Geometry": |
---|
| 734 | try { |
---|
| 735 | results = this.parseGeometry(obj); |
---|
| 736 | } catch(err) { |
---|
| 737 | //OpenLayers.Console.error(err); |
---|
| 738 | } |
---|
| 739 | break; |
---|
| 740 | case "Feature": |
---|
| 741 | try { |
---|
| 742 | results = this.parseFeature(obj); |
---|
| 743 | results.type = "Feature"; |
---|
| 744 | } catch(err) { |
---|
| 745 | //OpenLayers.Console.error(err); |
---|
| 746 | } |
---|
| 747 | break; |
---|
| 748 | case "FeatureCollection": |
---|
| 749 | // for type FeatureCollection, we allow input to be any type |
---|
| 750 | results = []; |
---|
| 751 | switch(obj.type) { |
---|
| 752 | case "Feature": |
---|
| 753 | try { |
---|
| 754 | results.push(this.parseFeature(obj)); |
---|
| 755 | } catch(err) { |
---|
| 756 | results = null; |
---|
| 757 | //OpenLayers.Console.error(err); |
---|
| 758 | } |
---|
| 759 | break; |
---|
| 760 | case "FeatureCollection": |
---|
| 761 | for(var i=0, len=obj.features.length; i<len; ++i) { |
---|
| 762 | try { |
---|
| 763 | results.push(this.parseFeature(obj.features[i])); |
---|
| 764 | } catch(err) { |
---|
| 765 | results = null; |
---|
| 766 | //OpenLayers.Console.error(err); |
---|
| 767 | } |
---|
| 768 | } |
---|
| 769 | break; |
---|
| 770 | default: |
---|
| 771 | try { |
---|
| 772 | var geom = this.parseGeometry(obj); |
---|
| 773 | results.push(new ZOO.Feature(geom)); |
---|
| 774 | } catch(err) { |
---|
| 775 | results = null; |
---|
| 776 | //OpenLayers.Console.error(err); |
---|
| 777 | } |
---|
| 778 | } |
---|
| 779 | break; |
---|
| 780 | } |
---|
| 781 | } |
---|
| 782 | return results; |
---|
| 783 | }, |
---|
| 784 | isValidType: function(obj, type) { |
---|
| 785 | var valid = false; |
---|
| 786 | switch(type) { |
---|
| 787 | case "Geometry": |
---|
| 788 | if(ZOO.indexOf( |
---|
| 789 | ["Point", "MultiPoint", "LineString", "MultiLineString", |
---|
| 790 | "Polygon", "MultiPolygon", "Box", "GeometryCollection"], |
---|
| 791 | obj.type) == -1) { |
---|
| 792 | // unsupported geometry type |
---|
| 793 | //OpenLayers.Console.error("Unsupported geometry type: " +obj.type); |
---|
| 794 | } else { |
---|
| 795 | valid = true; |
---|
| 796 | } |
---|
| 797 | break; |
---|
| 798 | case "FeatureCollection": |
---|
| 799 | // allow for any type to be converted to a feature collection |
---|
| 800 | valid = true; |
---|
| 801 | break; |
---|
| 802 | default: |
---|
| 803 | // for Feature types must match |
---|
| 804 | if(obj.type == type) { |
---|
| 805 | valid = true; |
---|
| 806 | } else { |
---|
| 807 | //OpenLayers.Console.error("Cannot convert types from " +obj.type + " to " + type); |
---|
| 808 | } |
---|
| 809 | } |
---|
| 810 | return valid; |
---|
| 811 | }, |
---|
| 812 | parseFeature: function(obj) { |
---|
| 813 | var feature, geometry, attributes, bbox; |
---|
| 814 | attributes = (obj.properties) ? obj.properties : {}; |
---|
| 815 | bbox = (obj.geometry && obj.geometry.bbox) || obj.bbox; |
---|
| 816 | try { |
---|
| 817 | geometry = this.parseGeometry(obj.geometry); |
---|
| 818 | } catch(err) { |
---|
| 819 | // deal with bad geometries |
---|
| 820 | throw err; |
---|
| 821 | } |
---|
| 822 | feature = new ZOO.Feature(geometry, attributes); |
---|
| 823 | if(bbox) |
---|
| 824 | feature.bounds = ZOO.Bounds.fromArray(bbox); |
---|
| 825 | if(obj.id) |
---|
| 826 | feature.fid = obj.id; |
---|
| 827 | return feature; |
---|
| 828 | }, |
---|
| 829 | parseGeometry: function(obj) { |
---|
| 830 | if (obj == null) |
---|
| 831 | return null; |
---|
| 832 | var geometry, collection = false; |
---|
| 833 | if(obj.type == "GeometryCollection") { |
---|
| 834 | if(!(obj.geometries instanceof Array)) { |
---|
| 835 | throw "GeometryCollection must have geometries array: " + obj; |
---|
| 836 | } |
---|
| 837 | var numGeom = obj.geometries.length; |
---|
| 838 | var components = new Array(numGeom); |
---|
| 839 | for(var i=0; i<numGeom; ++i) { |
---|
| 840 | components[i] = this.parseGeometry.apply( |
---|
| 841 | this, [obj.geometries[i]] |
---|
| 842 | ); |
---|
| 843 | } |
---|
| 844 | geometry = new ZOO.Geometry.Collection(components); |
---|
| 845 | collection = true; |
---|
| 846 | } else { |
---|
| 847 | if(!(obj.coordinates instanceof Array)) { |
---|
| 848 | throw "Geometry must have coordinates array: " + obj; |
---|
| 849 | } |
---|
| 850 | if(!this.parseCoords[obj.type.toLowerCase()]) { |
---|
| 851 | throw "Unsupported geometry type: " + obj.type; |
---|
| 852 | } |
---|
| 853 | try { |
---|
| 854 | geometry = this.parseCoords[obj.type.toLowerCase()].apply( |
---|
| 855 | this, [obj.coordinates] |
---|
| 856 | ); |
---|
| 857 | } catch(err) { |
---|
| 858 | // deal with bad coordinates |
---|
| 859 | throw err; |
---|
| 860 | } |
---|
| 861 | } |
---|
| 862 | // We don't reproject collections because the children are reprojected |
---|
| 863 | // for us when they are created. |
---|
| 864 | if (this.internalProjection && this.externalProjection && !collection) { |
---|
| 865 | geometry.transform(this.externalProjection, |
---|
| 866 | this.internalProjection); |
---|
| 867 | } |
---|
| 868 | return geometry; |
---|
| 869 | }, |
---|
| 870 | parseCoords: { |
---|
| 871 | "point": function(array) { |
---|
| 872 | if(array.length != 2) { |
---|
| 873 | throw "Only 2D points are supported: " + array; |
---|
| 874 | } |
---|
| 875 | return new ZOO.Geometry.Point(array[0], array[1]); |
---|
| 876 | }, |
---|
| 877 | "multipoint": function(array) { |
---|
| 878 | var points = []; |
---|
| 879 | var p = null; |
---|
| 880 | for(var i=0, len=array.length; i<len; ++i) { |
---|
| 881 | try { |
---|
| 882 | p = this.parseCoords["point"].apply(this, [array[i]]); |
---|
| 883 | } catch(err) { |
---|
| 884 | throw err; |
---|
| 885 | } |
---|
| 886 | points.push(p); |
---|
| 887 | } |
---|
| 888 | return new ZOO.Geometry.MultiPoint(points); |
---|
| 889 | }, |
---|
| 890 | "linestring": function(array) { |
---|
| 891 | var points = []; |
---|
| 892 | var p = null; |
---|
| 893 | for(var i=0, len=array.length; i<len; ++i) { |
---|
| 894 | try { |
---|
| 895 | p = this.parseCoords["point"].apply(this, [array[i]]); |
---|
| 896 | } catch(err) { |
---|
| 897 | throw err; |
---|
| 898 | } |
---|
| 899 | points.push(p); |
---|
| 900 | } |
---|
| 901 | return new ZOO.Geometry.LineString(points); |
---|
| 902 | }, |
---|
| 903 | "multilinestring": function(array) { |
---|
| 904 | var lines = []; |
---|
| 905 | var l = null; |
---|
| 906 | for(var i=0, len=array.length; i<len; ++i) { |
---|
| 907 | try { |
---|
| 908 | l = this.parseCoords["linestring"].apply(this, [array[i]]); |
---|
| 909 | } catch(err) { |
---|
| 910 | throw err; |
---|
| 911 | } |
---|
| 912 | lines.push(l); |
---|
| 913 | } |
---|
| 914 | return new ZOO.Geometry.MultiLineString(lines); |
---|
| 915 | }, |
---|
| 916 | "polygon": function(array) { |
---|
| 917 | var rings = []; |
---|
| 918 | var r, l; |
---|
| 919 | for(var i=0, len=array.length; i<len; ++i) { |
---|
| 920 | try { |
---|
| 921 | l = this.parseCoords["linestring"].apply(this, [array[i]]); |
---|
| 922 | } catch(err) { |
---|
| 923 | throw err; |
---|
| 924 | } |
---|
| 925 | r = new ZOO.Geometry.LinearRing(l.components); |
---|
| 926 | rings.push(r); |
---|
| 927 | } |
---|
| 928 | return new ZOO.Geometry.Polygon(rings); |
---|
| 929 | }, |
---|
| 930 | "multipolygon": function(array) { |
---|
| 931 | var polys = []; |
---|
| 932 | var p = null; |
---|
| 933 | for(var i=0, len=array.length; i<len; ++i) { |
---|
| 934 | try { |
---|
| 935 | p = this.parseCoords["polygon"].apply(this, [array[i]]); |
---|
| 936 | } catch(err) { |
---|
| 937 | throw err; |
---|
| 938 | } |
---|
| 939 | polys.push(p); |
---|
| 940 | } |
---|
| 941 | return new ZOO.Geometry.MultiPolygon(polys); |
---|
| 942 | }, |
---|
| 943 | "box": function(array) { |
---|
| 944 | if(array.length != 2) { |
---|
| 945 | throw "GeoJSON box coordinates must have 2 elements"; |
---|
| 946 | } |
---|
| 947 | return new ZOO.Geometry.Polygon([ |
---|
| 948 | new ZOO.Geometry.LinearRing([ |
---|
| 949 | new ZOO.Geometry.Point(array[0][0], array[0][1]), |
---|
| 950 | new ZOO.Geometry.Point(array[1][0], array[0][1]), |
---|
| 951 | new ZOO.Geometry.Point(array[1][0], array[1][1]), |
---|
| 952 | new ZOO.Geometry.Point(array[0][0], array[1][1]), |
---|
| 953 | new Z0O.Geometry.Point(array[0][0], array[0][1]) |
---|
| 954 | ]) |
---|
| 955 | ]); |
---|
| 956 | } |
---|
| 957 | }, |
---|
| 958 | write: function(obj, pretty) { |
---|
| 959 | var geojson = { |
---|
| 960 | "type": null |
---|
| 961 | }; |
---|
| 962 | if(obj instanceof Array) { |
---|
| 963 | geojson.type = "FeatureCollection"; |
---|
| 964 | var numFeatures = obj.length; |
---|
| 965 | geojson.features = new Array(numFeatures); |
---|
| 966 | for(var i=0; i<numFeatures; ++i) { |
---|
| 967 | var element = obj[i]; |
---|
| 968 | if(!element instanceof ZOO.Feature) { |
---|
| 969 | var msg = "FeatureCollection only supports collections " + |
---|
| 970 | "of features: " + element; |
---|
| 971 | throw msg; |
---|
| 972 | } |
---|
| 973 | geojson.features[i] = this.extract.feature.apply(this, [element]); |
---|
| 974 | } |
---|
| 975 | } else if (obj.CLASS_NAME.indexOf("ZOO.Geometry") == 0) { |
---|
| 976 | geojson = this.extract.geometry.apply(this, [obj]); |
---|
| 977 | } else if (obj instanceof ZOO.Feature) { |
---|
| 978 | geojson = this.extract.feature.apply(this, [obj]); |
---|
| 979 | /* |
---|
| 980 | if(obj.layer && obj.layer.projection) { |
---|
| 981 | geojson.crs = this.createCRSObject(obj); |
---|
| 982 | } |
---|
| 983 | */ |
---|
| 984 | } |
---|
| 985 | return ZOO.Format.JSON.prototype.write.apply(this, |
---|
| 986 | [geojson, pretty]); |
---|
| 987 | }, |
---|
| 988 | createCRSObject: function(object) { |
---|
| 989 | //var proj = object.layer.projection.toString(); |
---|
| 990 | var proj = object.projection.toString(); |
---|
| 991 | var crs = {}; |
---|
| 992 | if (proj.match(/epsg:/i)) { |
---|
| 993 | var code = parseInt(proj.substring(proj.indexOf(":") + 1)); |
---|
| 994 | if (code == 4326) { |
---|
| 995 | crs = { |
---|
| 996 | "type": "OGC", |
---|
| 997 | "properties": { |
---|
| 998 | "urn": "urn:ogc:def:crs:OGC:1.3:CRS84" |
---|
| 999 | } |
---|
| 1000 | }; |
---|
| 1001 | } else { |
---|
| 1002 | crs = { |
---|
| 1003 | "type": "EPSG", |
---|
| 1004 | "properties": { |
---|
| 1005 | "code": code |
---|
| 1006 | } |
---|
| 1007 | }; |
---|
| 1008 | } |
---|
| 1009 | } |
---|
| 1010 | return crs; |
---|
| 1011 | }, |
---|
| 1012 | extract: { |
---|
| 1013 | 'feature': function(feature) { |
---|
| 1014 | var geom = this.extract.geometry.apply(this, [feature.geometry]); |
---|
| 1015 | return { |
---|
| 1016 | "type": "Feature", |
---|
| 1017 | "id": feature.fid == null ? feature.id : feature.fid, |
---|
| 1018 | "properties": feature.attributes, |
---|
| 1019 | "geometry": geom |
---|
| 1020 | }; |
---|
| 1021 | }, |
---|
| 1022 | 'geometry': function(geometry) { |
---|
| 1023 | if (geometry == null) |
---|
| 1024 | return null; |
---|
| 1025 | if (this.internalProjection && this.externalProjection) { |
---|
| 1026 | geometry = geometry.clone(); |
---|
| 1027 | geometry.transform(this.internalProjection, |
---|
| 1028 | this.externalProjection); |
---|
| 1029 | } |
---|
| 1030 | var geometryType = geometry.CLASS_NAME.split('.')[2]; |
---|
| 1031 | var data = this.extract[geometryType.toLowerCase()].apply(this, [geometry]); |
---|
| 1032 | var json; |
---|
| 1033 | if(geometryType == "Collection") |
---|
| 1034 | json = { |
---|
| 1035 | "type": "GeometryCollection", |
---|
| 1036 | "geometries": data |
---|
| 1037 | }; |
---|
| 1038 | else |
---|
| 1039 | json = { |
---|
| 1040 | "type": geometryType, |
---|
| 1041 | "coordinates": data |
---|
| 1042 | }; |
---|
| 1043 | return json; |
---|
| 1044 | }, |
---|
| 1045 | 'point': function(point) { |
---|
| 1046 | return [point.x, point.y]; |
---|
| 1047 | }, |
---|
| 1048 | 'multipoint': function(multipoint) { |
---|
| 1049 | var array = []; |
---|
| 1050 | for(var i=0, len=multipoint.components.length; i<len; ++i) { |
---|
| 1051 | array.push(this.extract.point.apply(this, [multipoint.components[i]])); |
---|
| 1052 | } |
---|
| 1053 | return array; |
---|
| 1054 | }, |
---|
| 1055 | 'linestring': function(linestring) { |
---|
| 1056 | var array = []; |
---|
| 1057 | for(var i=0, len=linestring.components.length; i<len; ++i) { |
---|
| 1058 | array.push(this.extract.point.apply(this, [linestring.components[i]])); |
---|
| 1059 | } |
---|
| 1060 | return array; |
---|
| 1061 | }, |
---|
| 1062 | 'multilinestring': function(multilinestring) { |
---|
| 1063 | var array = []; |
---|
| 1064 | for(var i=0, len=multilinestring.components.length; i<len; ++i) { |
---|
| 1065 | array.push(this.extract.linestring.apply(this, [multilinestring.components[i]])); |
---|
| 1066 | } |
---|
| 1067 | return array; |
---|
| 1068 | }, |
---|
| 1069 | 'polygon': function(polygon) { |
---|
| 1070 | var array = []; |
---|
| 1071 | for(var i=0, len=polygon.components.length; i<len; ++i) { |
---|
| 1072 | array.push(this.extract.linestring.apply(this, [polygon.components[i]])); |
---|
| 1073 | } |
---|
| 1074 | return array; |
---|
| 1075 | }, |
---|
| 1076 | 'multipolygon': function(multipolygon) { |
---|
| 1077 | var array = []; |
---|
| 1078 | for(var i=0, len=multipolygon.components.length; i<len; ++i) { |
---|
| 1079 | array.push(this.extract.polygon.apply(this, [multipolygon.components[i]])); |
---|
| 1080 | } |
---|
| 1081 | return array; |
---|
| 1082 | }, |
---|
| 1083 | 'collection': function(collection) { |
---|
| 1084 | var len = collection.components.length; |
---|
| 1085 | var array = new Array(len); |
---|
| 1086 | for(var i=0; i<len; ++i) { |
---|
| 1087 | array[i] = this.extract.geometry.apply( |
---|
| 1088 | this, [collection.components[i]] |
---|
| 1089 | ); |
---|
| 1090 | } |
---|
| 1091 | return array; |
---|
| 1092 | } |
---|
| 1093 | }, |
---|
| 1094 | CLASS_NAME: 'ZOO.Format.GeoJSON' |
---|
| 1095 | }); |
---|
| 1096 | ZOO.Format.KML = ZOO.Class(ZOO.Format, { |
---|
| 1097 | kmlns: "http://www.opengis.net/kml/2.2", |
---|
| 1098 | foldersName: "ZOO export", |
---|
| 1099 | foldersDesc: "Created on " + new Date(), |
---|
| 1100 | placemarksDesc: "No description available", |
---|
| 1101 | extractAttributes: true, |
---|
| 1102 | initialize: function(options) { |
---|
| 1103 | // compile regular expressions once instead of every time they are used |
---|
| 1104 | this.regExes = { |
---|
| 1105 | trimSpace: (/^\s*|\s*$/g), |
---|
| 1106 | removeSpace: (/\s*/g), |
---|
| 1107 | splitSpace: (/\s+/), |
---|
| 1108 | trimComma: (/\s*,\s*/g), |
---|
| 1109 | kmlColor: (/(\w{2})(\w{2})(\w{2})(\w{2})/), |
---|
| 1110 | kmlIconPalette: (/root:\/\/icons\/palette-(\d+)(\.\w+)/), |
---|
| 1111 | straightBracket: (/\$\[(.*?)\]/g) |
---|
| 1112 | }; |
---|
| 1113 | ZOO.Format.prototype.initialize.apply(this, [options]); |
---|
| 1114 | }, |
---|
| 1115 | read: function(data) { |
---|
| 1116 | this.features = []; |
---|
| 1117 | data = data.replace(/^<\?xml\s+version\s*=\s*(["'])[^\1]+\1[^?]*\?>/, ""); |
---|
| 1118 | data = new XML(data); |
---|
| 1119 | var placemarks = data..*::Placemark; |
---|
| 1120 | this.parseFeatures(placemarks); |
---|
| 1121 | return this.features; |
---|
| 1122 | }, |
---|
| 1123 | parseFeatures: function(nodes) { |
---|
| 1124 | var features = new Array(nodes.length()); |
---|
| 1125 | for(var i=0, len=nodes.length(); i<len; i++) { |
---|
| 1126 | var featureNode = nodes[i]; |
---|
| 1127 | var feature = this.parseFeature.apply(this,[featureNode]) ; |
---|
| 1128 | features[i] = feature; |
---|
| 1129 | } |
---|
| 1130 | this.features = this.features.concat(features); |
---|
| 1131 | }, |
---|
| 1132 | parseFeature: function(node) { |
---|
| 1133 | var order = ["MultiGeometry", "Polygon", "LineString", "Point"]; |
---|
| 1134 | var type, nodeList, geometry, parser; |
---|
| 1135 | for(var i=0, len=order.length; i<len; ++i) { |
---|
| 1136 | type = order[i]; |
---|
| 1137 | nodeList = node.descendants(QName(null,type)); |
---|
| 1138 | if (nodeList.length()> 0) { |
---|
| 1139 | var parser = this.parseGeometry[type.toLowerCase()]; |
---|
| 1140 | if(parser) { |
---|
| 1141 | geometry = parser.apply(this, [nodeList[0]]); |
---|
| 1142 | if (this.internalProjection && this.externalProjection) { |
---|
| 1143 | geometry.transform(this.externalProjection, |
---|
| 1144 | this.internalProjection); |
---|
| 1145 | } |
---|
| 1146 | } |
---|
| 1147 | break; |
---|
| 1148 | } |
---|
| 1149 | } |
---|
| 1150 | var attributes; |
---|
| 1151 | if(this.extractAttributes) { |
---|
| 1152 | attributes = this.parseAttributes(node); |
---|
| 1153 | } |
---|
| 1154 | var feature = new ZOO.Feature(geometry, attributes); |
---|
| 1155 | var fid = node.@id || node.@name; |
---|
| 1156 | if(fid != null) |
---|
| 1157 | feature.fid = fid; |
---|
| 1158 | return feature; |
---|
| 1159 | }, |
---|
| 1160 | parseGeometry: { |
---|
| 1161 | 'point': function(node) { |
---|
| 1162 | var coordString = node.*::coordinates.toString(); |
---|
| 1163 | coordString = coordString.replace(this.regExes.removeSpace, ""); |
---|
| 1164 | coords = coordString.split(","); |
---|
| 1165 | var point = null; |
---|
| 1166 | if(coords.length > 1) { |
---|
| 1167 | // preserve third dimension |
---|
| 1168 | if(coords.length == 2) { |
---|
| 1169 | coords[2] = null; |
---|
| 1170 | } |
---|
| 1171 | point = new ZOO.Geometry.Point(coords[0], coords[1], coords[2]); |
---|
| 1172 | } |
---|
| 1173 | return point; |
---|
| 1174 | }, |
---|
| 1175 | 'linestring': function(node, ring) { |
---|
| 1176 | var line = null; |
---|
| 1177 | var coordString = node.*::coordinates.toString(); |
---|
| 1178 | coordString = coordString.replace(this.regExes.trimSpace, |
---|
| 1179 | ""); |
---|
| 1180 | coordString = coordString.replace(this.regExes.trimComma, |
---|
| 1181 | ","); |
---|
| 1182 | var pointList = coordString.split(this.regExes.splitSpace); |
---|
| 1183 | var numPoints = pointList.length; |
---|
| 1184 | var points = new Array(numPoints); |
---|
| 1185 | var coords, numCoords; |
---|
| 1186 | for(var i=0; i<numPoints; ++i) { |
---|
| 1187 | coords = pointList[i].split(","); |
---|
| 1188 | numCoords = coords.length; |
---|
| 1189 | if(numCoords > 1) { |
---|
| 1190 | if(coords.length == 2) { |
---|
| 1191 | coords[2] = null; |
---|
| 1192 | } |
---|
| 1193 | points[i] = new ZOO.Geometry.Point(coords[0], |
---|
| 1194 | coords[1], |
---|
| 1195 | coords[2]); |
---|
| 1196 | } |
---|
| 1197 | } |
---|
| 1198 | if(numPoints) { |
---|
| 1199 | if(ring) { |
---|
| 1200 | line = new ZOO.Geometry.LinearRing(points); |
---|
| 1201 | } else { |
---|
| 1202 | line = new ZOO.Geometry.LineString(points); |
---|
| 1203 | } |
---|
| 1204 | } else { |
---|
| 1205 | throw "Bad LineString coordinates: " + coordString; |
---|
| 1206 | } |
---|
| 1207 | return line; |
---|
| 1208 | }, |
---|
| 1209 | 'polygon': function(node) { |
---|
| 1210 | var nodeList = node..*::LinearRing; |
---|
| 1211 | var numRings = nodeList.length(); |
---|
| 1212 | var components = new Array(numRings); |
---|
| 1213 | if(numRings > 0) { |
---|
| 1214 | // this assumes exterior ring first, inner rings after |
---|
| 1215 | var ring; |
---|
| 1216 | for(var i=0, len=nodeList.length(); i<len; ++i) { |
---|
| 1217 | ring = this.parseGeometry.linestring.apply(this, |
---|
| 1218 | [nodeList[i], true]); |
---|
| 1219 | if(ring) { |
---|
| 1220 | components[i] = ring; |
---|
| 1221 | } else { |
---|
| 1222 | throw "Bad LinearRing geometry: " + i; |
---|
| 1223 | } |
---|
| 1224 | } |
---|
| 1225 | } |
---|
| 1226 | return new ZOO.Geometry.Polygon(components); |
---|
| 1227 | }, |
---|
| 1228 | multigeometry: function(node) { |
---|
| 1229 | var child, parser; |
---|
| 1230 | var parts = []; |
---|
| 1231 | var children = node.*::*; |
---|
| 1232 | for(var i=0, len=children.length(); i<len; ++i ) { |
---|
| 1233 | child = children[i]; |
---|
| 1234 | var type = child.localName(); |
---|
| 1235 | var parser = this.parseGeometry[type.toLowerCase()]; |
---|
| 1236 | if(parser) { |
---|
| 1237 | parts.push(parser.apply(this, [child])); |
---|
| 1238 | } |
---|
| 1239 | } |
---|
| 1240 | return new ZOO.Geometry.Collection(parts); |
---|
| 1241 | } |
---|
| 1242 | }, |
---|
| 1243 | parseAttributes: function(node) { |
---|
| 1244 | var attributes = {}; |
---|
| 1245 | var edNodes = node.*::ExtendedData; |
---|
| 1246 | if (edNodes.length() > 0) { |
---|
| 1247 | attributes = this.parseExtendedData(edNodes[0]) |
---|
| 1248 | } |
---|
| 1249 | var child, grandchildren; |
---|
| 1250 | var children = node.*::*; |
---|
| 1251 | for(var i=0, len=children.length(); i<len; ++i) { |
---|
| 1252 | child = children[i]; |
---|
| 1253 | grandchildren = child..*::*; |
---|
| 1254 | if(grandchildren.length() == 1) { |
---|
| 1255 | var name = child.localName(); |
---|
| 1256 | var value = child.toString(); |
---|
| 1257 | if (value) { |
---|
| 1258 | value = value.replace(this.regExes.trimSpace, ""); |
---|
| 1259 | attributes[name] = value; |
---|
| 1260 | } |
---|
| 1261 | } |
---|
| 1262 | } |
---|
| 1263 | return attributes; |
---|
| 1264 | }, |
---|
| 1265 | parseExtendedData: function(node) { |
---|
| 1266 | var attributes = {}; |
---|
| 1267 | var dataNodes = node.*::Data; |
---|
| 1268 | for (var i = 0, len = dataNodes.length(); i < len; i++) { |
---|
| 1269 | var data = dataNodes[i]; |
---|
| 1270 | var key = data.@name; |
---|
| 1271 | var ed = {}; |
---|
| 1272 | var valueNode = data.*::value; |
---|
| 1273 | if (valueNode.length() > 0) |
---|
| 1274 | ed['value'] = valueNode[0].toString(); |
---|
| 1275 | var nameNode = data.*::displayName; |
---|
| 1276 | if (nameNode.length() > 0) |
---|
| 1277 | ed['displayName'] = valueNode[0].toString(); |
---|
| 1278 | attributes[key] = ed; |
---|
| 1279 | } |
---|
| 1280 | return attributes; |
---|
| 1281 | }, |
---|
| 1282 | write: function(features) { |
---|
| 1283 | if(!(features instanceof Array)) |
---|
| 1284 | features = [features]; |
---|
| 1285 | var kml = new XML('<kml xmlns="'+this.kmlns+'"></kml>'); |
---|
| 1286 | var folder = kml.Document.Folder; |
---|
| 1287 | folder.name = this.foldersName; |
---|
| 1288 | folder.description = this.foldersDesc; |
---|
| 1289 | for(var i=0, len=features.length; i<len; ++i) { |
---|
| 1290 | //folder.appendChild(this.createPlacemarkXML(features[i])); |
---|
| 1291 | folder.Placemark[i] = this.createPlacemark(features[i]); |
---|
| 1292 | } |
---|
| 1293 | return kml.toXMLString(); |
---|
| 1294 | }, |
---|
| 1295 | createPlacemark: function(feature) { |
---|
| 1296 | var placemark = new XML('<Placemark xmlns="'+this.kmlns+'"></Placemark>'); |
---|
| 1297 | placemark.name = (feature.attributes.name) ? |
---|
| 1298 | feature.attributes.name : feature.id; |
---|
| 1299 | placemark.description = (feature.attributes.description) ? |
---|
| 1300 | feature.attributes.description : this.placemarksDesc; |
---|
| 1301 | if(feature.fid != null) |
---|
| 1302 | placemark.@id = feature.fid; |
---|
| 1303 | placemark.*[2] = this.buildGeometryNode(feature.geometry); |
---|
| 1304 | return placemark; |
---|
| 1305 | }, |
---|
| 1306 | buildGeometryNode: function(geometry) { |
---|
| 1307 | if (this.internalProjection && this.externalProjection) { |
---|
| 1308 | geometry = geometry.clone(); |
---|
| 1309 | geometry.transform(this.internalProjection, |
---|
| 1310 | this.externalProjection); |
---|
| 1311 | } |
---|
| 1312 | var className = geometry.CLASS_NAME; |
---|
| 1313 | var type = className.substring(className.lastIndexOf(".") + 1); |
---|
| 1314 | var builder = this.buildGeometry[type.toLowerCase()]; |
---|
| 1315 | var node = null; |
---|
| 1316 | if(builder) { |
---|
| 1317 | node = builder.apply(this, [geometry]); |
---|
| 1318 | } |
---|
| 1319 | return node; |
---|
| 1320 | }, |
---|
| 1321 | buildGeometry: { |
---|
| 1322 | 'point': function(geometry) { |
---|
| 1323 | var kml = new XML('<Point xmlns="'+this.kmlns+'"></Point>'); |
---|
| 1324 | kml.coordinates = this.buildCoordinatesNode(geometry); |
---|
| 1325 | return kml; |
---|
| 1326 | }, |
---|
| 1327 | 'multipoint': function(geometry) { |
---|
| 1328 | return this.buildGeometry.collection.apply(this, [geometry]); |
---|
| 1329 | }, |
---|
| 1330 | 'linestring': function(geometry) { |
---|
| 1331 | var kml = new XML('<LineString xmlns="'+this.kmlns+'"></LineString>'); |
---|
| 1332 | kml.coordinates = this.buildCoordinatesNode(geometry); |
---|
| 1333 | return kml; |
---|
| 1334 | }, |
---|
| 1335 | 'multilinestring': function(geometry) { |
---|
| 1336 | return this.buildGeometry.collection.apply(this, [geometry]); |
---|
| 1337 | }, |
---|
| 1338 | 'linearring': function(geometry) { |
---|
| 1339 | var kml = new XML('<LinearRing xmlns="'+this.kmlns+'"></LinearRing>'); |
---|
| 1340 | kml.coordinates = this.buildCoordinatesNode(geometry); |
---|
| 1341 | return kml; |
---|
| 1342 | }, |
---|
| 1343 | 'polygon': function(geometry) { |
---|
| 1344 | var kml = new XML('<Polygon xmlns="'+this.kmlns+'"></Polygon>'); |
---|
| 1345 | var rings = geometry.components; |
---|
| 1346 | var ringMember, ringGeom, type; |
---|
| 1347 | for(var i=0, len=rings.length; i<len; ++i) { |
---|
| 1348 | type = (i==0) ? "outerBoundaryIs" : "innerBoundaryIs"; |
---|
| 1349 | ringMember = new XML('<'+type+' xmlns="'+this.kmlns+'"></'+type+'>'); |
---|
| 1350 | ringMember.LinearRing = this.buildGeometry.linearring.apply(this,[rings[i]]); |
---|
| 1351 | kml.*[i] = ringMember; |
---|
| 1352 | } |
---|
| 1353 | return kml; |
---|
| 1354 | }, |
---|
| 1355 | 'multipolygon': function(geometry) { |
---|
| 1356 | return this.buildGeometry.collection.apply(this, [geometry]); |
---|
| 1357 | }, |
---|
| 1358 | 'collection': function(geometry) { |
---|
| 1359 | var kml = new XML('<MultiGeometry xmlns="'+this.kmlns+'"></MultiGeometry>'); |
---|
| 1360 | var child; |
---|
| 1361 | for(var i=0, len=geometry.components.length; i<len; ++i) { |
---|
| 1362 | kml.*[i] = this.buildGeometryNode.apply(this,[geometry.components[i]]); |
---|
| 1363 | } |
---|
| 1364 | return kml; |
---|
| 1365 | } |
---|
| 1366 | }, |
---|
| 1367 | buildCoordinatesNode: function(geometry) { |
---|
| 1368 | var cooridnates = new XML('<coordinates xmlns="'+this.kmlns+'"></coordinates>'); |
---|
| 1369 | var points = geometry.components; |
---|
| 1370 | if(points) { |
---|
| 1371 | // LineString or LinearRing |
---|
| 1372 | var point; |
---|
| 1373 | var numPoints = points.length; |
---|
| 1374 | var parts = new Array(numPoints); |
---|
| 1375 | for(var i=0; i<numPoints; ++i) { |
---|
| 1376 | point = points[i]; |
---|
| 1377 | parts[i] = point.x + "," + point.y; |
---|
| 1378 | } |
---|
| 1379 | coordinates = parts.join(" "); |
---|
| 1380 | } else { |
---|
| 1381 | // Point |
---|
| 1382 | coordinates = geometry.x + "," + geometry.y; |
---|
| 1383 | } |
---|
| 1384 | return coordinates; |
---|
| 1385 | }, |
---|
| 1386 | CLASS_NAME: 'ZOO.Format.KML' |
---|
| 1387 | }); |
---|
| 1388 | ZOO.Format.GML = ZOO.Class(ZOO.Format, { |
---|
| 1389 | schemaLocation: "http://www.opengis.net/gml http://schemas.opengis.net/gml/2.1.2/feature.xsd", |
---|
| 1390 | namespaces: { |
---|
| 1391 | ogr: "http://ogr.maptools.org/", |
---|
| 1392 | gml: "http://www.opengis.net/gml", |
---|
| 1393 | xlink: "http://www.w3.org/1999/xlink", |
---|
| 1394 | xsi: "http://www.w3.org/2001/XMLSchema-instance", |
---|
| 1395 | wfs: "http://www.opengis.net/wfs" // this is a convenience for reading wfs:FeatureCollection |
---|
| 1396 | }, |
---|
| 1397 | defaultPrefix: 'ogr', |
---|
| 1398 | collectionName: "FeatureCollection", |
---|
| 1399 | featureName: "sql_statement", |
---|
| 1400 | geometryName: "geometryProperty", |
---|
| 1401 | xy: true, |
---|
| 1402 | initialize: function(options) { |
---|
| 1403 | // compile regular expressions once instead of every time they are used |
---|
| 1404 | this.regExes = { |
---|
| 1405 | trimSpace: (/^\s*|\s*$/g), |
---|
| 1406 | removeSpace: (/\s*/g), |
---|
| 1407 | splitSpace: (/\s+/), |
---|
| 1408 | trimComma: (/\s*,\s*/g) |
---|
| 1409 | }; |
---|
| 1410 | ZOO.Format.prototype.initialize.apply(this, [options]); |
---|
| 1411 | }, |
---|
| 1412 | read: function(data) { |
---|
| 1413 | this.features = []; |
---|
| 1414 | data = data.replace(/^<\?xml\s+version\s*=\s*(["'])[^\1]+\1[^?]*\?>/, ""); |
---|
| 1415 | data = new XML(data); |
---|
| 1416 | |
---|
| 1417 | var gmlns = Namespace(this.namespaces['gml']); |
---|
| 1418 | var featureNodes = data..gmlns::featureMember; |
---|
| 1419 | var features = []; |
---|
| 1420 | for(var i=0,len=featureNodes.length(); i<len; i++) { |
---|
| 1421 | var feature = this.parseFeature(featureNodes[i]); |
---|
| 1422 | if(feature) { |
---|
| 1423 | features.push(feature); |
---|
| 1424 | } |
---|
| 1425 | } |
---|
| 1426 | return features; |
---|
| 1427 | }, |
---|
| 1428 | parseFeature: function(node) { |
---|
| 1429 | // only accept one geometry per feature - look for highest "order" |
---|
| 1430 | var gmlns = Namespace(this.namespaces['gml']); |
---|
| 1431 | var order = ["MultiPolygon", "Polygon", |
---|
| 1432 | "MultiLineString", "LineString", |
---|
| 1433 | "MultiPoint", "Point", "Envelope", "Box"]; |
---|
| 1434 | var type, nodeList, geometry, parser; |
---|
| 1435 | for(var i=0; i<order.length; ++i) { |
---|
| 1436 | type = order[i]; |
---|
| 1437 | nodeList = node.descendants(QName(gmlns,type)); |
---|
| 1438 | if (nodeList.length() > 0) { |
---|
| 1439 | var parser = this.parseGeometry[type.toLowerCase()]; |
---|
| 1440 | if(parser) { |
---|
| 1441 | geometry = parser.apply(this, [nodeList[0]]); |
---|
| 1442 | if (this.internalProjection && this.externalProjection) { |
---|
| 1443 | geometry.transform(this.externalProjection, |
---|
| 1444 | this.internalProjection); |
---|
| 1445 | } |
---|
| 1446 | } |
---|
| 1447 | break; |
---|
| 1448 | } |
---|
| 1449 | } |
---|
| 1450 | var attributes; |
---|
| 1451 | if(this.extractAttributes) { |
---|
| 1452 | //attributes = this.parseAttributes(node); |
---|
| 1453 | } |
---|
| 1454 | var feature = new ZOO.Feature(geometry, attributes); |
---|
| 1455 | return feature; |
---|
| 1456 | }, |
---|
| 1457 | parseGeometry: { |
---|
| 1458 | 'point': function(node) { |
---|
| 1459 | /** |
---|
| 1460 | * Three coordinate variations to consider: |
---|
| 1461 | * 1) <gml:pos>x y z</gml:pos> |
---|
| 1462 | * 2) <gml:coordinates>x, y, z</gml:coordinates> |
---|
| 1463 | * 3) <gml:coord><gml:X>x</gml:X><gml:Y>y</gml:Y></gml:coord> |
---|
| 1464 | */ |
---|
| 1465 | var nodeList, coordString; |
---|
| 1466 | var coords = []; |
---|
| 1467 | // look for <gml:pos> |
---|
| 1468 | var nodeList = node..*::pos; |
---|
| 1469 | if(nodeList.length() > 0) { |
---|
| 1470 | coordString = nodeList[0].toString(); |
---|
| 1471 | coordString = coordString.replace(this.regExes.trimSpace, ""); |
---|
| 1472 | coords = coordString.split(this.regExes.splitSpace); |
---|
| 1473 | } |
---|
| 1474 | // look for <gml:coordinates> |
---|
| 1475 | if(coords.length == 0) { |
---|
| 1476 | nodeList = node..*::coordinates; |
---|
| 1477 | if(nodeList.length() > 0) { |
---|
| 1478 | coordString = nodeList[0].toString(); |
---|
| 1479 | coordString = coordString.replace(this.regExes.removeSpace,""); |
---|
| 1480 | coords = coordString.split(","); |
---|
| 1481 | } |
---|
| 1482 | } |
---|
| 1483 | // look for <gml:coord> |
---|
| 1484 | if(coords.length == 0) { |
---|
| 1485 | nodeList = node..*::coord; |
---|
| 1486 | if(nodeList.length() > 0) { |
---|
| 1487 | var xList = nodeList[0].*::X; |
---|
| 1488 | var yList = nodeList[0].*::Y; |
---|
| 1489 | if(xList.length() > 0 && yList.length() > 0) |
---|
| 1490 | coords = [xList[0].toString(), |
---|
| 1491 | yList[0].toString()]; |
---|
| 1492 | } |
---|
| 1493 | } |
---|
| 1494 | // preserve third dimension |
---|
| 1495 | if(coords.length == 2) |
---|
| 1496 | coords[2] = null; |
---|
| 1497 | if (this.xy) |
---|
| 1498 | return new ZOO.Geometry.Point(coords[0],coords[1],coords[2]); |
---|
| 1499 | else |
---|
| 1500 | return new ZOO.Geometry.Point(coords[1],coords[0],coords[2]); |
---|
| 1501 | }, |
---|
| 1502 | 'multipoint': function(node) { |
---|
| 1503 | var nodeList = node..*::Point; |
---|
| 1504 | var components = []; |
---|
| 1505 | if(nodeList.length() > 0) { |
---|
| 1506 | var point; |
---|
| 1507 | for(var i=0, len=nodeList.length(); i<len; ++i) { |
---|
| 1508 | point = this.parseGeometry.point.apply(this, [nodeList[i]]); |
---|
| 1509 | if(point) |
---|
| 1510 | components.push(point); |
---|
| 1511 | } |
---|
| 1512 | } |
---|
| 1513 | return new ZOO.Geometry.MultiPoint(components); |
---|
| 1514 | }, |
---|
| 1515 | 'linestring': function(node, ring) { |
---|
| 1516 | /** |
---|
| 1517 | * Two coordinate variations to consider: |
---|
| 1518 | * 1) <gml:posList dimension="d">x0 y0 z0 x1 y1 z1</gml:posList> |
---|
| 1519 | * 2) <gml:coordinates>x0, y0, z0 x1, y1, z1</gml:coordinates> |
---|
| 1520 | */ |
---|
| 1521 | var nodeList, coordString; |
---|
| 1522 | var coords = []; |
---|
| 1523 | var points = []; |
---|
| 1524 | // look for <gml:posList> |
---|
| 1525 | nodeList = node..*::posList; |
---|
| 1526 | if(nodeList.length() > 0) { |
---|
| 1527 | coordString = nodeList[0].toString(); |
---|
| 1528 | coordString = coordString.replace(this.regExes.trimSpace, ""); |
---|
| 1529 | coords = coordString.split(this.regExes.splitSpace); |
---|
| 1530 | var dim = parseInt(nodeList[0].@dimension); |
---|
| 1531 | var j, x, y, z; |
---|
| 1532 | for(var i=0; i<coords.length/dim; ++i) { |
---|
| 1533 | j = i * dim; |
---|
| 1534 | x = coords[j]; |
---|
| 1535 | y = coords[j+1]; |
---|
| 1536 | z = (dim == 2) ? null : coords[j+2]; |
---|
| 1537 | if (this.xy) |
---|
| 1538 | points.push(new ZOO.Geometry.Point(x, y, z)); |
---|
| 1539 | else |
---|
| 1540 | points.push(new Z0O.Geometry.Point(y, x, z)); |
---|
| 1541 | } |
---|
| 1542 | } |
---|
| 1543 | // look for <gml:coordinates> |
---|
| 1544 | if(coords.length == 0) { |
---|
| 1545 | nodeList = node..*::coordinates; |
---|
| 1546 | if(nodeList.length() > 0) { |
---|
| 1547 | coordString = nodeList[0].toString(); |
---|
| 1548 | coordString = coordString.replace(this.regExes.trimSpace,""); |
---|
| 1549 | coordString = coordString.replace(this.regExes.trimComma,","); |
---|
| 1550 | var pointList = coordString.split(this.regExes.splitSpace); |
---|
| 1551 | for(var i=0; i<pointList.length; ++i) { |
---|
| 1552 | coords = pointList[i].split(","); |
---|
| 1553 | if(coords.length == 2) |
---|
| 1554 | coords[2] = null; |
---|
| 1555 | if (this.xy) |
---|
| 1556 | points.push(new ZOO.Geometry.Point(coords[0],coords[1],coords[2])); |
---|
| 1557 | else |
---|
| 1558 | points.push(new ZOO.Geometry.Point(coords[1],coords[0],coords[2])); |
---|
| 1559 | } |
---|
| 1560 | } |
---|
| 1561 | } |
---|
| 1562 | var line = null; |
---|
| 1563 | if(points.length != 0) { |
---|
| 1564 | if(ring) |
---|
| 1565 | line = new ZOO.Geometry.LinearRing(points); |
---|
| 1566 | else |
---|
| 1567 | line = new ZOO.Geometry.LineString(points); |
---|
| 1568 | } |
---|
| 1569 | return line; |
---|
| 1570 | }, |
---|
| 1571 | 'multilinestring': function(node) { |
---|
| 1572 | var nodeList = node..*::LineString; |
---|
| 1573 | var components = []; |
---|
| 1574 | if(nodeList.length() > 0) { |
---|
| 1575 | var line; |
---|
| 1576 | for(var i=0, len=nodeList.length(); i<len; ++i) { |
---|
| 1577 | line = this.parseGeometry.linestring.apply(this, [nodeList[i]]); |
---|
| 1578 | if(point) |
---|
| 1579 | components.push(point); |
---|
| 1580 | } |
---|
| 1581 | } |
---|
| 1582 | return new ZOO.Geometry.MultiLineString(components); |
---|
| 1583 | }, |
---|
| 1584 | 'polygon': function(node) { |
---|
| 1585 | nodeList = node..*::LinearRing; |
---|
| 1586 | var components = []; |
---|
| 1587 | if(nodeList.length() > 0) { |
---|
| 1588 | // this assumes exterior ring first, inner rings after |
---|
| 1589 | var ring; |
---|
| 1590 | for(var i=0, len = nodeList.length(); i<len; ++i) { |
---|
| 1591 | ring = this.parseGeometry.linestring.apply(this,[nodeList[i], true]); |
---|
| 1592 | if(ring) |
---|
| 1593 | components.push(ring); |
---|
| 1594 | } |
---|
| 1595 | } |
---|
| 1596 | return new ZOO.Geometry.Polygon(components); |
---|
| 1597 | }, |
---|
| 1598 | 'multipolygon': function(node) { |
---|
| 1599 | var nodeList = node..*::Polygon; |
---|
| 1600 | var components = []; |
---|
| 1601 | if(nodeList.length() > 0) { |
---|
| 1602 | var polygon; |
---|
| 1603 | for(var i=0, len=nodeList.length(); i<len; ++i) { |
---|
| 1604 | polygon = this.parseGeometry.polygon.apply(this, [nodeList[i]]); |
---|
| 1605 | if(polygon) |
---|
| 1606 | components.push(polygon); |
---|
| 1607 | } |
---|
| 1608 | } |
---|
| 1609 | return new ZOO.Geometry.MultiPolygon(components); |
---|
| 1610 | }, |
---|
| 1611 | 'envelope': function(node) { |
---|
| 1612 | var components = []; |
---|
| 1613 | var coordString; |
---|
| 1614 | var envelope; |
---|
| 1615 | var lpoint = node..*::lowerCorner; |
---|
| 1616 | if (lpoint.length() > 0) { |
---|
| 1617 | var coords = []; |
---|
| 1618 | if(lpoint.length() > 0) { |
---|
| 1619 | coordString = lpoint[0].toString(); |
---|
| 1620 | coordString = coordString.replace(this.regExes.trimSpace, ""); |
---|
| 1621 | coords = coordString.split(this.regExes.splitSpace); |
---|
| 1622 | } |
---|
| 1623 | if(coords.length == 2) |
---|
| 1624 | coords[2] = null; |
---|
| 1625 | if (this.xy) |
---|
| 1626 | var lowerPoint = new ZOO.Geometry.Point(coords[0], coords[1],coords[2]); |
---|
| 1627 | else |
---|
| 1628 | var lowerPoint = new ZOO.Geometry.Point(coords[1], coords[0],coords[2]); |
---|
| 1629 | } |
---|
| 1630 | var upoint = node..*::upperCorner; |
---|
| 1631 | if (upoint.length() > 0) { |
---|
| 1632 | var coords = []; |
---|
| 1633 | if(upoint.length > 0) { |
---|
| 1634 | coordString = upoint[0].toString(); |
---|
| 1635 | coordString = coordString.replace(this.regExes.trimSpace, ""); |
---|
| 1636 | coords = coordString.split(this.regExes.splitSpace); |
---|
| 1637 | } |
---|
| 1638 | if(coords.length == 2) |
---|
| 1639 | coords[2] = null; |
---|
| 1640 | if (this.xy) |
---|
| 1641 | var upperPoint = new ZOO.Geometry.Point(coords[0], coords[1],coords[2]); |
---|
| 1642 | else |
---|
| 1643 | var upperPoint = new ZOO.Geometry.Point(coords[1], coords[0],coords[2]); |
---|
| 1644 | } |
---|
| 1645 | if (lowerPoint && upperPoint) { |
---|
| 1646 | components.push(new ZOO.Geometry.Point(lowerPoint.x, lowerPoint.y)); |
---|
| 1647 | components.push(new ZOO.Geometry.Point(upperPoint.x, lowerPoint.y)); |
---|
| 1648 | components.push(new ZOO.Geometry.Point(upperPoint.x, upperPoint.y)); |
---|
| 1649 | components.push(new ZOO.Geometry.Point(lowerPoint.x, upperPoint.y)); |
---|
| 1650 | components.push(new ZOO.Geometry.Point(lowerPoint.x, lowerPoint.y)); |
---|
| 1651 | var ring = new ZOO.Geometry.LinearRing(components); |
---|
| 1652 | envelope = new ZOO.Geometry.Polygon([ring]); |
---|
| 1653 | } |
---|
| 1654 | return envelope; |
---|
| 1655 | } |
---|
| 1656 | }, |
---|
| 1657 | write: function(features) { |
---|
| 1658 | if(!(features instanceof Array)) { |
---|
| 1659 | features = [features]; |
---|
| 1660 | } |
---|
| 1661 | var pfx = this.defaultPrefix; |
---|
| 1662 | var name = pfx+':'+this.collectionName; |
---|
| 1663 | var gml = new XML('<'+name+' xmlns:'+pfx+'="'+this.namespaces[pfx]+'" xmlns:gml="'+this.namespaces['gml']+'" xmlns:xsi="'+this.namespaces['xsi']+'" xsi:schemaLocation="'+this.schemaLocation+'"></'+name+'>'); |
---|
| 1664 | for(var i=0; i<features.length; i++) { |
---|
| 1665 | gml.*::*[i] = this.createFeatureXML(features[i]); |
---|
| 1666 | } |
---|
| 1667 | return gml.toXMLString(); |
---|
| 1668 | }, |
---|
| 1669 | createFeatureXML: function(feature) { |
---|
| 1670 | var pfx = this.defaultPrefix; |
---|
| 1671 | var name = pfx+':'+this.featureName; |
---|
| 1672 | var fid = feature.fid || feature.id; |
---|
| 1673 | var gml = new XML('<gml:featureMember xmlns:gml="'+this.namespaces['gml']+'"><'+name+' xmlns:'+pfx+'="'+this.namespaces[pfx]+'" fid="'+fid+'"></'+name+'></gml:featureMember>'); |
---|
| 1674 | var geometry = feature.geometry; |
---|
| 1675 | gml.*::*[0].*::* = this.buildGeometryNode(geometry); |
---|
| 1676 | for(var attr in feature.attributes) { |
---|
| 1677 | var attrNode = new XML('<'+pfx+':'+attr+' xmlns:'+pfx+'="'+this.namespaces[pfx]+'">'+feature.attributes[attr]+'</'+pfx+':'+attr+'>'); |
---|
| 1678 | gml.*::*[0].appendChild(attrNode); |
---|
| 1679 | } |
---|
| 1680 | return gml; |
---|
| 1681 | }, |
---|
| 1682 | buildGeometryNode: function(geometry) { |
---|
| 1683 | if (this.externalProjection && this.internalProjection) { |
---|
| 1684 | geometry = geometry.clone(); |
---|
| 1685 | geometry.transform(this.internalProjection, |
---|
| 1686 | this.externalProjection); |
---|
| 1687 | } |
---|
| 1688 | var className = geometry.CLASS_NAME; |
---|
| 1689 | var type = className.substring(className.lastIndexOf(".") + 1); |
---|
| 1690 | var builder = this.buildGeometry[type.toLowerCase()]; |
---|
| 1691 | var pfx = this.defaultPrefix; |
---|
| 1692 | var name = pfx+':'+this.geometryName; |
---|
| 1693 | var gml = new XML('<'+name+' xmlns:'+pfx+'="'+this.namespaces[pfx]+'"></'+name+'>'); |
---|
| 1694 | if (builder) |
---|
| 1695 | gml.*::* = builder.apply(this, [geometry]); |
---|
| 1696 | return gml; |
---|
| 1697 | }, |
---|
| 1698 | buildGeometry: { |
---|
| 1699 | 'point': function(geometry) { |
---|
| 1700 | var gml = new XML('<gml:Point xmlns:gml="'+this.namespaces['gml']+'"></gml:Point>'); |
---|
| 1701 | gml.*::*[0] = this.buildCoordinatesNode(geometry); |
---|
| 1702 | return gml; |
---|
| 1703 | }, |
---|
| 1704 | 'multipoint': function(geometry) { |
---|
| 1705 | var gml = new XML('<gml:MultiPoint xmlns:gml="'+this.namespaces['gml']+'"></gml:MultiPoint>'); |
---|
| 1706 | var points = geometry.components; |
---|
| 1707 | var pointMember; |
---|
| 1708 | for(var i=0; i<points.length; i++) { |
---|
| 1709 | pointMember = new XML('<gml:pointMember xmlns:gml="'+this.namespaces['gml']+'"></gml:pointMember>'); |
---|
| 1710 | pointMember.*::* = this.buildGeometry.point.apply(this,[points[i]]); |
---|
| 1711 | gml.*::*[i] = pointMember; |
---|
| 1712 | } |
---|
| 1713 | return gml; |
---|
| 1714 | }, |
---|
| 1715 | 'linestring': function(geometry) { |
---|
| 1716 | var gml = new XML('<gml:LineString xmlns:gml="'+this.namespaces['gml']+'"></gml:LineString>'); |
---|
| 1717 | gml.*::*[0] = this.buildCoordinatesNode(geometry); |
---|
| 1718 | return gml; |
---|
| 1719 | }, |
---|
| 1720 | 'multilinestring': function(geometry) { |
---|
| 1721 | var gml = new XML('<gml:MultiLineString xmlns:gml="'+this.namespaces['gml']+'"></gml:MultiLineString>'); |
---|
| 1722 | var lines = geometry.components; |
---|
| 1723 | var lineMember; |
---|
| 1724 | for(var i=0; i<lines.length; i++) { |
---|
| 1725 | lineMember = new XML('<gml:lineStringMember xmlns:gml="'+this.namespaces['gml']+'"></gml:lineStringMember>'); |
---|
| 1726 | lineMember.*::* = this.buildGeometry.linestring.apply(this,[lines[i]]); |
---|
| 1727 | gml.*::*[i] = lineMember; |
---|
| 1728 | } |
---|
| 1729 | return gml; |
---|
| 1730 | }, |
---|
| 1731 | 'linearring': function(geometry) { |
---|
| 1732 | var gml = new XML('<gml:LinearRing xmlns:gml="'+this.namespaces['gml']+'"></gml:LinearRing>'); |
---|
| 1733 | gml.*::*[0] = this.buildCoordinatesNode(geometry); |
---|
| 1734 | return gml; |
---|
| 1735 | }, |
---|
| 1736 | 'polygon': function(geometry) { |
---|
| 1737 | var gml = new XML('<gml:Polygon xmlns:gml="'+this.namespaces['gml']+'"></gml:Polygon>'); |
---|
| 1738 | var rings = geometry.components; |
---|
| 1739 | var ringMember, type; |
---|
| 1740 | for(var i=0; i<rings.length; ++i) { |
---|
| 1741 | type = (i==0) ? "outerBoundaryIs" : "innerBoundaryIs"; |
---|
| 1742 | var ringMember = new XML('<gml:'+type+' xmlns:gml="'+this.namespaces['gml']+'"></gml:'+type+'>'); |
---|
| 1743 | ringMember.*::* = this.buildGeometry.linearring.apply(this,[rings[i]]); |
---|
| 1744 | gml.*::*[i] = ringMember; |
---|
| 1745 | } |
---|
| 1746 | return gml; |
---|
| 1747 | }, |
---|
| 1748 | 'multipolygon': function(geometry) { |
---|
| 1749 | var gml = new XML('<gml:MultiPolygon xmlns:gml="'+this.namespaces['gml']+'"></gml:MultiPolygon>'); |
---|
| 1750 | var polys = geometry.components; |
---|
| 1751 | var polyMember; |
---|
| 1752 | for(var i=0; i<polys.length; i++) { |
---|
| 1753 | polyMember = new XML('<gml:polygonMember xmlns:gml="'+this.namespaces['gml']+'"></gml:polygonMember>'); |
---|
| 1754 | polyMember.*::* = this.buildGeometry.polygon.apply(this,[polys[i]]); |
---|
| 1755 | gml.*::*[i] = polyMember; |
---|
| 1756 | } |
---|
| 1757 | return gml; |
---|
| 1758 | }, |
---|
| 1759 | 'bounds': function(bounds) { |
---|
| 1760 | var gml = new XML('<gml:Box xmlns:gml="'+this.namespaces['gml']+'"></gml:Box>'); |
---|
| 1761 | gml.*::*[0] = this.buildCoordinatesNode(bounds); |
---|
| 1762 | return gml; |
---|
| 1763 | } |
---|
| 1764 | }, |
---|
| 1765 | buildCoordinatesNode: function(geometry) { |
---|
| 1766 | var parts = []; |
---|
| 1767 | if(geometry instanceof ZOO.Bounds){ |
---|
| 1768 | parts.push(geometry.left + "," + geometry.bottom); |
---|
| 1769 | parts.push(geometry.right + "," + geometry.top); |
---|
| 1770 | } else { |
---|
| 1771 | var points = (geometry.components) ? geometry.components : [geometry]; |
---|
| 1772 | for(var i=0; i<points.length; i++) { |
---|
| 1773 | parts.push(points[i].x + "," + points[i].y); |
---|
| 1774 | } |
---|
| 1775 | } |
---|
| 1776 | return new XML('<gml:coordinates xmlns:gml="'+this.namespaces['gml']+'" decimal="." cs=", " ts=" ">'+parts.join(" ")+'</gml:coordinates>'); |
---|
| 1777 | }, |
---|
| 1778 | CLASS_NAME: 'ZOO.Format.GML' |
---|
| 1779 | }); |
---|
| 1780 | ZOO.Format.WPS = ZOO.Class(ZOO.Format, { |
---|
| 1781 | schemaLocation: "http://www.opengis.net/wps/1.0.0/../wpsExecute_request.xsd", |
---|
| 1782 | namespaces: { |
---|
| 1783 | ows: "http://www.opengis.net/ows/1.1", |
---|
| 1784 | wps: "http://www.opengis.net/wps/1.0.0", |
---|
| 1785 | xlink: "http://www.w3.org/1999/xlink", |
---|
| 1786 | xsi: "http://www.w3.org/2001/XMLSchema-instance", |
---|
| 1787 | }, |
---|
| 1788 | read:function(data) { |
---|
| 1789 | data = data.replace(/^<\?xml\s+version\s*=\s*(["'])[^\1]+\1[^?]*\?>/, ""); |
---|
| 1790 | data = new XML(data); |
---|
| 1791 | switch (data.localName()) { |
---|
| 1792 | case 'ExecuteResponse': |
---|
| 1793 | return this.parseExecuteResponse(data); |
---|
| 1794 | default: |
---|
| 1795 | return null; |
---|
| 1796 | } |
---|
| 1797 | }, |
---|
| 1798 | parseExecuteResponse: function(node) { |
---|
| 1799 | var outputs = node.*::ProcessOutputs.*::Output; |
---|
| 1800 | if (outputs.length() > 0) { |
---|
| 1801 | var data = outputs[0].*::Data.*::*[0]; |
---|
| 1802 | var builder = this.parseData[data.localName().toLowerCase()]; |
---|
| 1803 | if (builder) |
---|
| 1804 | return builder.apply(this,[data]); |
---|
| 1805 | else |
---|
| 1806 | return null; |
---|
| 1807 | } else |
---|
| 1808 | return null; |
---|
| 1809 | }, |
---|
| 1810 | parseData: { |
---|
| 1811 | 'complexdata': function(node) { |
---|
| 1812 | var result = {value:node.toString()}; |
---|
| 1813 | if (node.@mimeType.length()>0) |
---|
| 1814 | result.mimeType = node.@mimeType; |
---|
| 1815 | if (node.@encoding.length()>0) |
---|
| 1816 | result.encoding = node.@encoding; |
---|
| 1817 | if (node.@schema.length()>0) |
---|
| 1818 | result.schema = node.@schema; |
---|
| 1819 | return result; |
---|
| 1820 | }, |
---|
| 1821 | 'literaldata': function(node) { |
---|
| 1822 | var result = {value:node.toString()}; |
---|
| 1823 | if (node.@dataType.length()>0) |
---|
| 1824 | result.dataType = node.@dataType; |
---|
| 1825 | if (node.@uom.length()>0) |
---|
| 1826 | result.uom = node.@uom; |
---|
| 1827 | return result; |
---|
| 1828 | } |
---|
| 1829 | }, |
---|
| 1830 | CLASS_NAME: 'ZOO.Format.WPS' |
---|
| 1831 | }); |
---|
| 1832 | |
---|
| 1833 | |
---|
| 1834 | ZOO.Feature = ZOO.Class({ |
---|
| 1835 | fid: null, |
---|
| 1836 | geometry: null, |
---|
| 1837 | attributes: null, |
---|
| 1838 | bounds: null, |
---|
| 1839 | initialize: function(geometry, attributes) { |
---|
| 1840 | this.geometry = geometry ? geometry : null; |
---|
| 1841 | this.attributes = {}; |
---|
| 1842 | if (attributes) |
---|
| 1843 | this.attributes = ZOO.extend(this.attributes,attributes); |
---|
| 1844 | }, |
---|
| 1845 | destroy: function() { |
---|
| 1846 | this.geometry = null; |
---|
| 1847 | }, |
---|
| 1848 | clone: function () { |
---|
| 1849 | return new ZOO.Feature(this.geometry ? this.geometry.clone() : null, |
---|
| 1850 | this.attributes); |
---|
| 1851 | }, |
---|
| 1852 | move: function(x, y) { |
---|
| 1853 | if(!this.geometry.move) |
---|
| 1854 | return; |
---|
| 1855 | |
---|
| 1856 | this.geometry.move(x,y); |
---|
| 1857 | return this.geometry; |
---|
| 1858 | }, |
---|
| 1859 | CLASS_NAME: 'ZOO.Feature' |
---|
| 1860 | }); |
---|
| 1861 | |
---|
| 1862 | ZOO.Geometry = ZOO.Class({ |
---|
| 1863 | id: null, |
---|
| 1864 | parent: null, |
---|
| 1865 | bounds: null, |
---|
| 1866 | initialize: function() { |
---|
| 1867 | //generate unique id |
---|
| 1868 | }, |
---|
| 1869 | destroy: function() { |
---|
| 1870 | this.id = null; |
---|
| 1871 | this.bounds = null; |
---|
| 1872 | }, |
---|
| 1873 | clone: function() { |
---|
| 1874 | return new ZOO.Geometry(); |
---|
| 1875 | }, |
---|
| 1876 | extendBounds: function(newBounds){ |
---|
| 1877 | var bounds = this.getBounds(); |
---|
| 1878 | if (!bounds) |
---|
| 1879 | this.setBounds(newBounds); |
---|
| 1880 | else |
---|
| 1881 | this.bounds.extend(newBounds); |
---|
| 1882 | }, |
---|
| 1883 | setBounds: function(bounds) { |
---|
| 1884 | if (bounds) |
---|
| 1885 | this.bounds = bounds.clone(); |
---|
| 1886 | }, |
---|
| 1887 | clearBounds: function() { |
---|
| 1888 | this.bounds = null; |
---|
| 1889 | if (this.parent) |
---|
| 1890 | this.parent.clearBounds(); |
---|
| 1891 | }, |
---|
| 1892 | getBounds: function() { |
---|
| 1893 | if (this.bounds == null) { |
---|
| 1894 | this.calculateBounds(); |
---|
| 1895 | } |
---|
| 1896 | return this.bounds; |
---|
| 1897 | }, |
---|
| 1898 | calculateBounds: function() { |
---|
| 1899 | return this.bounds = null; |
---|
| 1900 | }, |
---|
| 1901 | distanceTo: function(geometry, options) { |
---|
| 1902 | }, |
---|
| 1903 | getVertices: function(nodes) { |
---|
| 1904 | }, |
---|
| 1905 | getLength: function() { |
---|
| 1906 | return 0.0; |
---|
| 1907 | }, |
---|
| 1908 | getArea: function() { |
---|
| 1909 | return 0.0; |
---|
| 1910 | }, |
---|
| 1911 | getCentroid: function() { |
---|
| 1912 | return null; |
---|
| 1913 | }, |
---|
| 1914 | toString: function() { |
---|
| 1915 | return ZOO.Format.WKT.prototype.write( |
---|
| 1916 | new ZOO.Feature(this) |
---|
| 1917 | ); |
---|
| 1918 | }, |
---|
| 1919 | CLASS_NAME: 'ZOO.Geometry' |
---|
| 1920 | }); |
---|
| 1921 | ZOO.Geometry.fromWKT = function(wkt) { |
---|
| 1922 | var format = arguments.callee.format; |
---|
| 1923 | if(!format) { |
---|
| 1924 | format = new ZOO.Format.WKT(); |
---|
| 1925 | arguments.callee.format = format; |
---|
| 1926 | } |
---|
| 1927 | var geom; |
---|
| 1928 | var result = format.read(wkt); |
---|
| 1929 | if(result instanceof ZOO.Feature) { |
---|
| 1930 | geom = result.geometry; |
---|
| 1931 | } else if(result instanceof Array) { |
---|
| 1932 | var len = result.length; |
---|
| 1933 | var components = new Array(len); |
---|
| 1934 | for(var i=0; i<len; ++i) { |
---|
| 1935 | components[i] = result[i].geometry; |
---|
| 1936 | } |
---|
| 1937 | geom = new ZOO.Geometry.Collection(components); |
---|
| 1938 | } |
---|
| 1939 | return geom; |
---|
| 1940 | }; |
---|
| 1941 | ZOO.Geometry.segmentsIntersect = function(seg1, seg2, options) { |
---|
| 1942 | var point = options && options.point; |
---|
| 1943 | var tolerance = options && options.tolerance; |
---|
| 1944 | var intersection = false; |
---|
| 1945 | var x11_21 = seg1.x1 - seg2.x1; |
---|
| 1946 | var y11_21 = seg1.y1 - seg2.y1; |
---|
| 1947 | var x12_11 = seg1.x2 - seg1.x1; |
---|
| 1948 | var y12_11 = seg1.y2 - seg1.y1; |
---|
| 1949 | var y22_21 = seg2.y2 - seg2.y1; |
---|
| 1950 | var x22_21 = seg2.x2 - seg2.x1; |
---|
| 1951 | var d = (y22_21 * x12_11) - (x22_21 * y12_11); |
---|
| 1952 | var n1 = (x22_21 * y11_21) - (y22_21 * x11_21); |
---|
| 1953 | var n2 = (x12_11 * y11_21) - (y12_11 * x11_21); |
---|
| 1954 | if(d == 0) { |
---|
| 1955 | // parallel |
---|
| 1956 | if(n1 == 0 && n2 == 0) { |
---|
| 1957 | // coincident |
---|
| 1958 | intersection = true; |
---|
| 1959 | } |
---|
| 1960 | } else { |
---|
| 1961 | var along1 = n1 / d; |
---|
| 1962 | var along2 = n2 / d; |
---|
| 1963 | if(along1 >= 0 && along1 <= 1 && along2 >=0 && along2 <= 1) { |
---|
| 1964 | // intersect |
---|
| 1965 | if(!point) { |
---|
| 1966 | intersection = true; |
---|
| 1967 | } else { |
---|
| 1968 | // calculate the intersection point |
---|
| 1969 | var x = seg1.x1 + (along1 * x12_11); |
---|
| 1970 | var y = seg1.y1 + (along1 * y12_11); |
---|
| 1971 | intersection = new ZOO.Geometry.Point(x, y); |
---|
| 1972 | } |
---|
| 1973 | } |
---|
| 1974 | } |
---|
| 1975 | if(tolerance) { |
---|
| 1976 | var dist; |
---|
| 1977 | if(intersection) { |
---|
| 1978 | if(point) { |
---|
| 1979 | var segs = [seg1, seg2]; |
---|
| 1980 | var seg, x, y; |
---|
| 1981 | // check segment endpoints for proximity to intersection |
---|
| 1982 | // set intersection to first endpoint within the tolerance |
---|
| 1983 | outer: for(var i=0; i<2; ++i) { |
---|
| 1984 | seg = segs[i]; |
---|
| 1985 | for(var j=1; j<3; ++j) { |
---|
| 1986 | x = seg["x" + j]; |
---|
| 1987 | y = seg["y" + j]; |
---|
| 1988 | dist = Math.sqrt( |
---|
| 1989 | Math.pow(x - intersection.x, 2) + |
---|
| 1990 | Math.pow(y - intersection.y, 2) |
---|
| 1991 | ); |
---|
| 1992 | if(dist < tolerance) { |
---|
| 1993 | intersection.x = x; |
---|
| 1994 | intersection.y = y; |
---|
| 1995 | break outer; |
---|
| 1996 | } |
---|
| 1997 | } |
---|
| 1998 | } |
---|
| 1999 | } |
---|
| 2000 | } else { |
---|
| 2001 | // no calculated intersection, but segments could be within |
---|
| 2002 | // the tolerance of one another |
---|
| 2003 | var segs = [seg1, seg2]; |
---|
| 2004 | var source, target, x, y, p, result; |
---|
| 2005 | // check segment endpoints for proximity to intersection |
---|
| 2006 | // set intersection to first endpoint within the tolerance |
---|
| 2007 | outer: for(var i=0; i<2; ++i) { |
---|
| 2008 | source = segs[i]; |
---|
| 2009 | target = segs[(i+1)%2]; |
---|
| 2010 | for(var j=1; j<3; ++j) { |
---|
| 2011 | p = {x: source["x"+j], y: source["y"+j]}; |
---|
| 2012 | result = ZOO.Geometry.distanceToSegment(p, target); |
---|
| 2013 | if(result.distance < tolerance) { |
---|
| 2014 | if(point) { |
---|
| 2015 | intersection = new ZOO.Geometry.Point(p.x, p.y); |
---|
| 2016 | } else { |
---|
| 2017 | intersection = true; |
---|
| 2018 | } |
---|
| 2019 | break outer; |
---|
| 2020 | } |
---|
| 2021 | } |
---|
| 2022 | } |
---|
| 2023 | } |
---|
| 2024 | } |
---|
| 2025 | return intersection; |
---|
| 2026 | }; |
---|
| 2027 | ZOO.Geometry.distanceToSegment = function(point, segment) { |
---|
| 2028 | var x0 = point.x; |
---|
| 2029 | var y0 = point.y; |
---|
| 2030 | var x1 = segment.x1; |
---|
| 2031 | var y1 = segment.y1; |
---|
| 2032 | var x2 = segment.x2; |
---|
| 2033 | var y2 = segment.y2; |
---|
| 2034 | var dx = x2 - x1; |
---|
| 2035 | var dy = y2 - y1; |
---|
| 2036 | var along = ((dx * (x0 - x1)) + (dy * (y0 - y1))) / |
---|
| 2037 | (Math.pow(dx, 2) + Math.pow(dy, 2)); |
---|
| 2038 | var x, y; |
---|
| 2039 | if(along <= 0.0) { |
---|
| 2040 | x = x1; |
---|
| 2041 | y = y1; |
---|
| 2042 | } else if(along >= 1.0) { |
---|
| 2043 | x = x2; |
---|
| 2044 | y = y2; |
---|
| 2045 | } else { |
---|
| 2046 | x = x1 + along * dx; |
---|
| 2047 | y = y1 + along * dy; |
---|
| 2048 | } |
---|
| 2049 | return { |
---|
| 2050 | distance: Math.sqrt(Math.pow(x - x0, 2) + Math.pow(y - y0, 2)), |
---|
| 2051 | x: x, y: y |
---|
| 2052 | }; |
---|
| 2053 | }; |
---|
| 2054 | ZOO.Geometry.Collection = ZOO.Class(ZOO.Geometry, { |
---|
| 2055 | components: null, |
---|
| 2056 | componentTypes: null, |
---|
| 2057 | initialize: function (components) { |
---|
| 2058 | ZOO.Geometry.prototype.initialize.apply(this, arguments); |
---|
| 2059 | this.components = []; |
---|
| 2060 | if (components != null) { |
---|
| 2061 | this.addComponents(components); |
---|
| 2062 | } |
---|
| 2063 | }, |
---|
| 2064 | destroy: function () { |
---|
| 2065 | this.components.length = 0; |
---|
| 2066 | this.components = null; |
---|
| 2067 | }, |
---|
| 2068 | clone: function() { |
---|
| 2069 | var geometry = eval("new " + this.CLASS_NAME + "()"); |
---|
| 2070 | for(var i=0, len=this.components.length; i<len; i++) { |
---|
| 2071 | geometry.addComponent(this.components[i].clone()); |
---|
| 2072 | } |
---|
| 2073 | return geometry; |
---|
| 2074 | }, |
---|
| 2075 | getComponentsString: function(){ |
---|
| 2076 | var strings = []; |
---|
| 2077 | for(var i=0, len=this.components.length; i<len; i++) { |
---|
| 2078 | strings.push(this.components[i].toShortString()); |
---|
| 2079 | } |
---|
| 2080 | return strings.join(","); |
---|
| 2081 | }, |
---|
| 2082 | calculateBounds: function() { |
---|
| 2083 | this.bounds = null; |
---|
| 2084 | if ( this.components && this.components.length > 0) { |
---|
| 2085 | this.setBounds(this.components[0].getBounds()); |
---|
| 2086 | for (var i=1, len=this.components.length; i<len; i++) { |
---|
| 2087 | this.extendBounds(this.components[i].getBounds()); |
---|
| 2088 | } |
---|
| 2089 | } |
---|
| 2090 | return this.bounds |
---|
| 2091 | }, |
---|
| 2092 | addComponents: function(components){ |
---|
| 2093 | if(!(components instanceof Array)) |
---|
| 2094 | components = [components]; |
---|
| 2095 | for(var i=0, len=components.length; i<len; i++) { |
---|
| 2096 | this.addComponent(components[i]); |
---|
| 2097 | } |
---|
| 2098 | }, |
---|
| 2099 | addComponent: function(component, index) { |
---|
| 2100 | var added = false; |
---|
| 2101 | if(component) { |
---|
| 2102 | if(this.componentTypes == null || |
---|
| 2103 | (ZOO.indexOf(this.componentTypes, |
---|
| 2104 | component.CLASS_NAME) > -1)) { |
---|
| 2105 | if(index != null && (index < this.components.length)) { |
---|
| 2106 | var components1 = this.components.slice(0, index); |
---|
| 2107 | var components2 = this.components.slice(index, |
---|
| 2108 | this.components.length); |
---|
| 2109 | components1.push(component); |
---|
| 2110 | this.components = components1.concat(components2); |
---|
| 2111 | } else { |
---|
| 2112 | this.components.push(component); |
---|
| 2113 | } |
---|
| 2114 | component.parent = this; |
---|
| 2115 | this.clearBounds(); |
---|
| 2116 | added = true; |
---|
| 2117 | } |
---|
| 2118 | } |
---|
| 2119 | return added; |
---|
| 2120 | }, |
---|
| 2121 | removeComponents: function(components) { |
---|
| 2122 | if(!(components instanceof Array)) |
---|
| 2123 | components = [components]; |
---|
| 2124 | for(var i=components.length-1; i>=0; --i) { |
---|
| 2125 | this.removeComponent(components[i]); |
---|
| 2126 | } |
---|
| 2127 | }, |
---|
| 2128 | removeComponent: function(component) { |
---|
| 2129 | ZOO.removeItem(this.components, component); |
---|
| 2130 | // clearBounds() so that it gets recalculated on the next call |
---|
| 2131 | // to this.getBounds(); |
---|
| 2132 | this.clearBounds(); |
---|
| 2133 | }, |
---|
| 2134 | getLength: function() { |
---|
| 2135 | var length = 0.0; |
---|
| 2136 | for (var i=0, len=this.components.length; i<len; i++) { |
---|
| 2137 | length += this.components[i].getLength(); |
---|
| 2138 | } |
---|
| 2139 | return length; |
---|
| 2140 | }, |
---|
| 2141 | getArea: function() { |
---|
| 2142 | var area = 0.0; |
---|
| 2143 | for (var i=0, len=this.components.length; i<len; i++) { |
---|
| 2144 | area += this.components[i].getArea(); |
---|
| 2145 | } |
---|
| 2146 | return area; |
---|
| 2147 | }, |
---|
| 2148 | getCentroid: function() { |
---|
| 2149 | return this.components.length && this.components[0].getCentroid(); |
---|
| 2150 | }, |
---|
| 2151 | move: function(x, y) { |
---|
| 2152 | for(var i=0, len=this.components.length; i<len; i++) { |
---|
| 2153 | this.components[i].move(x, y); |
---|
| 2154 | } |
---|
| 2155 | }, |
---|
| 2156 | rotate: function(angle, origin) { |
---|
| 2157 | for(var i=0, len=this.components.length; i<len; ++i) { |
---|
| 2158 | this.components[i].rotate(angle, origin); |
---|
| 2159 | } |
---|
| 2160 | }, |
---|
| 2161 | resize: function(scale, origin, ratio) { |
---|
| 2162 | for(var i=0; i<this.components.length; ++i) { |
---|
| 2163 | this.components[i].resize(scale, origin, ratio); |
---|
| 2164 | } |
---|
| 2165 | return this; |
---|
| 2166 | }, |
---|
| 2167 | distanceTo: function(geometry, options) { |
---|
| 2168 | var edge = !(options && options.edge === false); |
---|
| 2169 | var details = edge && options && options.details; |
---|
| 2170 | var result, best; |
---|
| 2171 | var min = Number.POSITIVE_INFINITY; |
---|
| 2172 | for(var i=0, len=this.components.length; i<len; ++i) { |
---|
| 2173 | result = this.components[i].distanceTo(geometry, options); |
---|
| 2174 | distance = details ? result.distance : result; |
---|
| 2175 | if(distance < min) { |
---|
| 2176 | min = distance; |
---|
| 2177 | best = result; |
---|
| 2178 | if(min == 0) |
---|
| 2179 | break; |
---|
| 2180 | } |
---|
| 2181 | } |
---|
| 2182 | return best; |
---|
| 2183 | }, |
---|
| 2184 | equals: function(geometry) { |
---|
| 2185 | var equivalent = true; |
---|
| 2186 | if(!geometry || !geometry.CLASS_NAME || |
---|
| 2187 | (this.CLASS_NAME != geometry.CLASS_NAME)) |
---|
| 2188 | equivalent = false; |
---|
| 2189 | else if(!(geometry.components instanceof Array) || |
---|
| 2190 | (geometry.components.length != this.components.length)) |
---|
| 2191 | equivalent = false; |
---|
| 2192 | else |
---|
| 2193 | for(var i=0, len=this.components.length; i<len; ++i) { |
---|
| 2194 | if(!this.components[i].equals(geometry.components[i])) { |
---|
| 2195 | equivalent = false; |
---|
| 2196 | break; |
---|
| 2197 | } |
---|
| 2198 | } |
---|
| 2199 | return equivalent; |
---|
| 2200 | }, |
---|
| 2201 | transform: function(source, dest) { |
---|
| 2202 | if (source && dest) { |
---|
| 2203 | for (var i=0, len=this.components.length; i<len; i++) { |
---|
| 2204 | var component = this.components[i]; |
---|
| 2205 | component.transform(source, dest); |
---|
| 2206 | } |
---|
| 2207 | this.bounds = null; |
---|
| 2208 | } |
---|
| 2209 | return this; |
---|
| 2210 | }, |
---|
| 2211 | intersects: function(geometry) { |
---|
| 2212 | var intersect = false; |
---|
| 2213 | for(var i=0, len=this.components.length; i<len; ++ i) { |
---|
| 2214 | intersect = geometry.intersects(this.components[i]); |
---|
| 2215 | if(intersect) |
---|
| 2216 | break; |
---|
| 2217 | } |
---|
| 2218 | return intersect; |
---|
| 2219 | }, |
---|
| 2220 | getVertices: function(nodes) { |
---|
| 2221 | var vertices = []; |
---|
| 2222 | for(var i=0, len=this.components.length; i<len; ++i) { |
---|
| 2223 | Array.prototype.push.apply( |
---|
| 2224 | vertices, this.components[i].getVertices(nodes) |
---|
| 2225 | ); |
---|
| 2226 | } |
---|
| 2227 | return vertices; |
---|
| 2228 | }, |
---|
| 2229 | CLASS_NAME: 'ZOO.Geometry.Collection' |
---|
| 2230 | }); |
---|
| 2231 | ZOO.Geometry.Point = ZOO.Class(ZOO.Geometry, { |
---|
| 2232 | x: null, |
---|
| 2233 | y: null, |
---|
| 2234 | initialize: function(x, y) { |
---|
| 2235 | ZOO.Geometry.prototype.initialize.apply(this, arguments); |
---|
| 2236 | this.x = parseFloat(x); |
---|
| 2237 | this.y = parseFloat(y); |
---|
| 2238 | }, |
---|
| 2239 | clone: function(obj) { |
---|
| 2240 | if (obj == null) |
---|
| 2241 | obj = new ZOO.Geometry.Point(this.x, this.y); |
---|
| 2242 | // catch any randomly tagged-on properties |
---|
| 2243 | //OpenLayers.Util.applyDefaults(obj, this); |
---|
| 2244 | return obj; |
---|
| 2245 | }, |
---|
| 2246 | calculateBounds: function () { |
---|
| 2247 | this.bounds = new ZOO.Bounds(this.x, this.y, |
---|
| 2248 | this.x, this.y); |
---|
| 2249 | }, |
---|
| 2250 | distanceTo: function(geometry, options) { |
---|
| 2251 | var edge = !(options && options.edge === false); |
---|
| 2252 | var details = edge && options && options.details; |
---|
| 2253 | var distance, x0, y0, x1, y1, result; |
---|
| 2254 | if(geometry instanceof ZOO.Geometry.Point) { |
---|
| 2255 | x0 = this.x; |
---|
| 2256 | y0 = this.y; |
---|
| 2257 | x1 = geometry.x; |
---|
| 2258 | y1 = geometry.y; |
---|
| 2259 | distance = Math.sqrt(Math.pow(x0 - x1, 2) + Math.pow(y0 - y1, 2)); |
---|
| 2260 | result = !details ? |
---|
| 2261 | distance : {x0: x0, y0: y0, x1: x1, y1: y1, distance: distance}; |
---|
| 2262 | } else { |
---|
| 2263 | result = geometry.distanceTo(this, options); |
---|
| 2264 | if(details) { |
---|
| 2265 | // switch coord order since this geom is target |
---|
| 2266 | result = { |
---|
| 2267 | x0: result.x1, y0: result.y1, |
---|
| 2268 | x1: result.x0, y1: result.y0, |
---|
| 2269 | distance: result.distance |
---|
| 2270 | }; |
---|
| 2271 | } |
---|
| 2272 | } |
---|
| 2273 | return result; |
---|
| 2274 | }, |
---|
| 2275 | equals: function(geom) { |
---|
| 2276 | var equals = false; |
---|
| 2277 | if (geom != null) |
---|
| 2278 | equals = ((this.x == geom.x && this.y == geom.y) || |
---|
| 2279 | (isNaN(this.x) && isNaN(this.y) && isNaN(geom.x) && isNaN(geom.y))); |
---|
| 2280 | return equals; |
---|
| 2281 | }, |
---|
| 2282 | toShortString: function() { |
---|
| 2283 | return (this.x + ", " + this.y); |
---|
| 2284 | }, |
---|
| 2285 | move: function(x, y) { |
---|
| 2286 | this.x = this.x + x; |
---|
| 2287 | this.y = this.y + y; |
---|
| 2288 | this.clearBounds(); |
---|
| 2289 | }, |
---|
| 2290 | rotate: function(angle, origin) { |
---|
| 2291 | angle *= Math.PI / 180; |
---|
| 2292 | var radius = this.distanceTo(origin); |
---|
| 2293 | var theta = angle + Math.atan2(this.y - origin.y, this.x - origin.x); |
---|
| 2294 | this.x = origin.x + (radius * Math.cos(theta)); |
---|
| 2295 | this.y = origin.y + (radius * Math.sin(theta)); |
---|
| 2296 | this.clearBounds(); |
---|
| 2297 | }, |
---|
| 2298 | getCentroid: function() { |
---|
| 2299 | return new ZOO.Geometry.Point(this.x, this.y); |
---|
| 2300 | }, |
---|
| 2301 | resize: function(scale, origin, ratio) { |
---|
| 2302 | ratio = (ratio == undefined) ? 1 : ratio; |
---|
| 2303 | this.x = origin.x + (scale * ratio * (this.x - origin.x)); |
---|
| 2304 | this.y = origin.y + (scale * (this.y - origin.y)); |
---|
| 2305 | this.clearBounds(); |
---|
| 2306 | return this; |
---|
| 2307 | }, |
---|
| 2308 | intersects: function(geometry) { |
---|
| 2309 | var intersect = false; |
---|
| 2310 | if(geometry.CLASS_NAME == "ZOO.Geometry.Point") { |
---|
| 2311 | intersect = this.equals(geometry); |
---|
| 2312 | } else { |
---|
| 2313 | intersect = geometry.intersects(this); |
---|
| 2314 | } |
---|
| 2315 | return intersect; |
---|
| 2316 | }, |
---|
| 2317 | transform: function(source, dest) { |
---|
| 2318 | if ((source && dest)) { |
---|
| 2319 | ZOO.Projection.transform( |
---|
| 2320 | this, source, dest); |
---|
| 2321 | this.bounds = null; |
---|
| 2322 | } |
---|
| 2323 | return this; |
---|
| 2324 | }, |
---|
| 2325 | getVertices: function(nodes) { |
---|
| 2326 | return [this]; |
---|
| 2327 | }, |
---|
| 2328 | CLASS_NAME: 'ZOO.Geometry.Point' |
---|
| 2329 | }); |
---|
| 2330 | ZOO.Geometry.Surface = ZOO.Class(ZOO.Geometry, { |
---|
| 2331 | initialize: function() { |
---|
| 2332 | ZOO.Geometry.prototype.initialize.apply(this, arguments); |
---|
| 2333 | }, |
---|
| 2334 | CLASS_NAME: "ZOO.Geometry.Surface" |
---|
| 2335 | }); |
---|
| 2336 | ZOO.Geometry.MultiPoint = ZOO.Class( |
---|
| 2337 | ZOO.Geometry.Collection, { |
---|
| 2338 | componentTypes: ["ZOO.Geometry.Point"], |
---|
| 2339 | initialize: function(components) { |
---|
| 2340 | ZOO.Geometry.Collection.prototype.initialize.apply(this,arguments); |
---|
| 2341 | }, |
---|
| 2342 | addPoint: function(point, index) { |
---|
| 2343 | this.addComponent(point, index); |
---|
| 2344 | }, |
---|
| 2345 | removePoint: function(point){ |
---|
| 2346 | this.removeComponent(point); |
---|
| 2347 | }, |
---|
| 2348 | CLASS_NAME: "ZOO.Geometry.MultiPoint" |
---|
| 2349 | }); |
---|
| 2350 | ZOO.Geometry.Curve = ZOO.Class(ZOO.Geometry.MultiPoint, { |
---|
| 2351 | componentTypes: ["ZOO.Geometry.Point"], |
---|
| 2352 | initialize: function(points) { |
---|
| 2353 | ZOO.Geometry.MultiPoint.prototype.initialize.apply(this,arguments); |
---|
| 2354 | }, |
---|
| 2355 | getLength: function() { |
---|
| 2356 | var length = 0.0; |
---|
| 2357 | if ( this.components && (this.components.length > 1)) { |
---|
| 2358 | for(var i=1, len=this.components.length; i<len; i++) { |
---|
| 2359 | length += this.components[i-1].distanceTo(this.components[i]); |
---|
| 2360 | } |
---|
| 2361 | } |
---|
| 2362 | return length; |
---|
| 2363 | }, |
---|
| 2364 | CLASS_NAME: "ZOO.Geometry.Curve" |
---|
| 2365 | }); |
---|
| 2366 | ZOO.Geometry.LineString = ZOO.Class(ZOO.Geometry.Curve, { |
---|
| 2367 | initialize: function(points) { |
---|
| 2368 | ZOO.Geometry.Curve.prototype.initialize.apply(this, arguments); |
---|
| 2369 | }, |
---|
| 2370 | removeComponent: function(point) { |
---|
| 2371 | if ( this.components && (this.components.length > 2)) |
---|
| 2372 | ZOO.Geometry.Collection.prototype.removeComponent.apply(this,arguments); |
---|
| 2373 | }, |
---|
| 2374 | intersects: function(geometry) { |
---|
| 2375 | var intersect = false; |
---|
| 2376 | var type = geometry.CLASS_NAME; |
---|
| 2377 | if(type == "ZOO.Geometry.LineString" || |
---|
| 2378 | type == "ZOO.Geometry.LinearRing" || |
---|
| 2379 | type == "ZOO.Geometry.Point") { |
---|
| 2380 | var segs1 = this.getSortedSegments(); |
---|
| 2381 | var segs2; |
---|
| 2382 | if(type == "ZOO.Geometry.Point") |
---|
| 2383 | segs2 = [{ |
---|
| 2384 | x1: geometry.x, y1: geometry.y, |
---|
| 2385 | x2: geometry.x, y2: geometry.y |
---|
| 2386 | }]; |
---|
| 2387 | else |
---|
| 2388 | segs2 = geometry.getSortedSegments(); |
---|
| 2389 | var seg1, seg1x1, seg1x2, seg1y1, seg1y2, |
---|
| 2390 | seg2, seg2y1, seg2y2; |
---|
| 2391 | // sweep right |
---|
| 2392 | outer: for(var i=0, len=segs1.length; i<len; ++i) { |
---|
| 2393 | seg1 = segs1[i]; |
---|
| 2394 | seg1x1 = seg1.x1; |
---|
| 2395 | seg1x2 = seg1.x2; |
---|
| 2396 | seg1y1 = seg1.y1; |
---|
| 2397 | seg1y2 = seg1.y2; |
---|
| 2398 | inner: for(var j=0, jlen=segs2.length; j<jlen; ++j) { |
---|
| 2399 | seg2 = segs2[j]; |
---|
| 2400 | if(seg2.x1 > seg1x2) |
---|
| 2401 | break; |
---|
| 2402 | if(seg2.x2 < seg1x1) |
---|
| 2403 | continue; |
---|
| 2404 | seg2y1 = seg2.y1; |
---|
| 2405 | seg2y2 = seg2.y2; |
---|
| 2406 | if(Math.min(seg2y1, seg2y2) > Math.max(seg1y1, seg1y2)) |
---|
| 2407 | continue; |
---|
| 2408 | if(Math.max(seg2y1, seg2y2) < Math.min(seg1y1, seg1y2)) |
---|
| 2409 | continue; |
---|
| 2410 | if(ZOO.Geometry.segmentsIntersect(seg1, seg2)) { |
---|
| 2411 | intersect = true; |
---|
| 2412 | break outer; |
---|
| 2413 | } |
---|
| 2414 | } |
---|
| 2415 | } |
---|
| 2416 | } else { |
---|
| 2417 | intersect = geometry.intersects(this); |
---|
| 2418 | } |
---|
| 2419 | return intersect; |
---|
| 2420 | }, |
---|
| 2421 | getSortedSegments: function() { |
---|
| 2422 | var numSeg = this.components.length - 1; |
---|
| 2423 | var segments = new Array(numSeg); |
---|
| 2424 | for(var i=0; i<numSeg; ++i) { |
---|
| 2425 | point1 = this.components[i]; |
---|
| 2426 | point2 = this.components[i + 1]; |
---|
| 2427 | if(point1.x < point2.x) |
---|
| 2428 | segments[i] = { |
---|
| 2429 | x1: point1.x, |
---|
| 2430 | y1: point1.y, |
---|
| 2431 | x2: point2.x, |
---|
| 2432 | y2: point2.y |
---|
| 2433 | }; |
---|
| 2434 | else |
---|
| 2435 | segments[i] = { |
---|
| 2436 | x1: point2.x, |
---|
| 2437 | y1: point2.y, |
---|
| 2438 | x2: point1.x, |
---|
| 2439 | y2: point1.y |
---|
| 2440 | }; |
---|
| 2441 | } |
---|
| 2442 | // more efficient to define this somewhere static |
---|
| 2443 | function byX1(seg1, seg2) { |
---|
| 2444 | return seg1.x1 - seg2.x1; |
---|
| 2445 | } |
---|
| 2446 | return segments.sort(byX1); |
---|
| 2447 | }, |
---|
| 2448 | splitWithSegment: function(seg, options) { |
---|
| 2449 | var edge = !(options && options.edge === false); |
---|
| 2450 | var tolerance = options && options.tolerance; |
---|
| 2451 | var lines = []; |
---|
| 2452 | var verts = this.getVertices(); |
---|
| 2453 | var points = []; |
---|
| 2454 | var intersections = []; |
---|
| 2455 | var split = false; |
---|
| 2456 | var vert1, vert2, point; |
---|
| 2457 | var node, vertex, target; |
---|
| 2458 | var interOptions = {point: true, tolerance: tolerance}; |
---|
| 2459 | var result = null; |
---|
| 2460 | for(var i=0, stop=verts.length-2; i<=stop; ++i) { |
---|
| 2461 | vert1 = verts[i]; |
---|
| 2462 | points.push(vert1.clone()); |
---|
| 2463 | vert2 = verts[i+1]; |
---|
| 2464 | target = {x1: vert1.x, y1: vert1.y, x2: vert2.x, y2: vert2.y}; |
---|
| 2465 | point = ZOO.Geometry.segmentsIntersect(seg, target, interOptions); |
---|
| 2466 | if(point instanceof ZOO.Geometry.Point) { |
---|
| 2467 | if((point.x === seg.x1 && point.y === seg.y1) || |
---|
| 2468 | (point.x === seg.x2 && point.y === seg.y2) || |
---|
| 2469 | point.equals(vert1) || point.equals(vert2)) |
---|
| 2470 | vertex = true; |
---|
| 2471 | else |
---|
| 2472 | vertex = false; |
---|
| 2473 | if(vertex || edge) { |
---|
| 2474 | // push intersections different than the previous |
---|
| 2475 | if(!point.equals(intersections[intersections.length-1])) |
---|
| 2476 | intersections.push(point.clone()); |
---|
| 2477 | if(i === 0) { |
---|
| 2478 | if(point.equals(vert1)) |
---|
| 2479 | continue; |
---|
| 2480 | } |
---|
| 2481 | if(point.equals(vert2)) |
---|
| 2482 | continue; |
---|
| 2483 | split = true; |
---|
| 2484 | if(!point.equals(vert1)) |
---|
| 2485 | points.push(point); |
---|
| 2486 | lines.push(new ZOO.Geometry.LineString(points)); |
---|
| 2487 | points = [point.clone()]; |
---|
| 2488 | } |
---|
| 2489 | } |
---|
| 2490 | } |
---|
| 2491 | if(split) { |
---|
| 2492 | points.push(vert2.clone()); |
---|
| 2493 | lines.push(new ZOO.Geometry.LineString(points)); |
---|
| 2494 | } |
---|
| 2495 | if(intersections.length > 0) { |
---|
| 2496 | // sort intersections along segment |
---|
| 2497 | var xDir = seg.x1 < seg.x2 ? 1 : -1; |
---|
| 2498 | var yDir = seg.y1 < seg.y2 ? 1 : -1; |
---|
| 2499 | result = { |
---|
| 2500 | lines: lines, |
---|
| 2501 | points: intersections.sort(function(p1, p2) { |
---|
| 2502 | return (xDir * p1.x - xDir * p2.x) || (yDir * p1.y - yDir * p2.y); |
---|
| 2503 | }) |
---|
| 2504 | }; |
---|
| 2505 | } |
---|
| 2506 | return result; |
---|
| 2507 | }, |
---|
| 2508 | split: function(target, options) { |
---|
| 2509 | var results = null; |
---|
| 2510 | var mutual = options && options.mutual; |
---|
| 2511 | var sourceSplit, targetSplit, sourceParts, targetParts; |
---|
| 2512 | if(target instanceof ZOO.Geometry.LineString) { |
---|
| 2513 | var verts = this.getVertices(); |
---|
| 2514 | var vert1, vert2, seg, splits, lines, point; |
---|
| 2515 | var points = []; |
---|
| 2516 | sourceParts = []; |
---|
| 2517 | for(var i=0, stop=verts.length-2; i<=stop; ++i) { |
---|
| 2518 | vert1 = verts[i]; |
---|
| 2519 | vert2 = verts[i+1]; |
---|
| 2520 | seg = { |
---|
| 2521 | x1: vert1.x, y1: vert1.y, |
---|
| 2522 | x2: vert2.x, y2: vert2.y |
---|
| 2523 | }; |
---|
| 2524 | targetParts = targetParts || [target]; |
---|
| 2525 | if(mutual) |
---|
| 2526 | points.push(vert1.clone()); |
---|
| 2527 | for(var j=0; j<targetParts.length; ++j) { |
---|
| 2528 | splits = targetParts[j].splitWithSegment(seg, options); |
---|
| 2529 | if(splits) { |
---|
| 2530 | // splice in new features |
---|
| 2531 | lines = splits.lines; |
---|
| 2532 | if(lines.length > 0) { |
---|
| 2533 | lines.unshift(j, 1); |
---|
| 2534 | Array.prototype.splice.apply(targetParts, lines); |
---|
| 2535 | j += lines.length - 2; |
---|
| 2536 | } |
---|
| 2537 | if(mutual) { |
---|
| 2538 | for(var k=0, len=splits.points.length; k<len; ++k) { |
---|
| 2539 | point = splits.points[k]; |
---|
| 2540 | if(!point.equals(vert1)) { |
---|
| 2541 | points.push(point); |
---|
| 2542 | sourceParts.push(new ZOO.Geometry.LineString(points)); |
---|
| 2543 | if(point.equals(vert2)) |
---|
| 2544 | points = []; |
---|
| 2545 | else |
---|
| 2546 | points = [point.clone()]; |
---|
| 2547 | } |
---|
| 2548 | } |
---|
| 2549 | } |
---|
| 2550 | } |
---|
| 2551 | } |
---|
| 2552 | } |
---|
| 2553 | if(mutual && sourceParts.length > 0 && points.length > 0) { |
---|
| 2554 | points.push(vert2.clone()); |
---|
| 2555 | sourceParts.push(new ZOO.Geometry.LineString(points)); |
---|
| 2556 | } |
---|
| 2557 | } else { |
---|
| 2558 | results = target.splitWith(this, options); |
---|
| 2559 | } |
---|
| 2560 | if(targetParts && targetParts.length > 1) |
---|
| 2561 | targetSplit = true; |
---|
| 2562 | else |
---|
| 2563 | targetParts = []; |
---|
| 2564 | if(sourceParts && sourceParts.length > 1) |
---|
| 2565 | sourceSplit = true; |
---|
| 2566 | else |
---|
| 2567 | sourceParts = []; |
---|
| 2568 | if(targetSplit || sourceSplit) { |
---|
| 2569 | if(mutual) |
---|
| 2570 | results = [sourceParts, targetParts]; |
---|
| 2571 | else |
---|
| 2572 | results = targetParts; |
---|
| 2573 | } |
---|
| 2574 | return results; |
---|
| 2575 | }, |
---|
| 2576 | splitWith: function(geometry, options) { |
---|
| 2577 | return geometry.split(this, options); |
---|
| 2578 | }, |
---|
| 2579 | getVertices: function(nodes) { |
---|
| 2580 | var vertices; |
---|
| 2581 | if(nodes === true) |
---|
| 2582 | vertices = [ |
---|
| 2583 | this.components[0], |
---|
| 2584 | this.components[this.components.length-1] |
---|
| 2585 | ]; |
---|
| 2586 | else if (nodes === false) |
---|
| 2587 | vertices = this.components.slice(1, this.components.length-1); |
---|
| 2588 | else |
---|
| 2589 | vertices = this.components.slice(); |
---|
| 2590 | return vertices; |
---|
| 2591 | }, |
---|
| 2592 | distanceTo: function(geometry, options) { |
---|
| 2593 | var edge = !(options && options.edge === false); |
---|
| 2594 | var details = edge && options && options.details; |
---|
| 2595 | var result, best = {}; |
---|
| 2596 | var min = Number.POSITIVE_INFINITY; |
---|
| 2597 | if(geometry instanceof ZOO.Geometry.Point) { |
---|
| 2598 | var segs = this.getSortedSegments(); |
---|
| 2599 | var x = geometry.x; |
---|
| 2600 | var y = geometry.y; |
---|
| 2601 | var seg; |
---|
| 2602 | for(var i=0, len=segs.length; i<len; ++i) { |
---|
| 2603 | seg = segs[i]; |
---|
| 2604 | result = ZOO.Geometry.distanceToSegment(geometry, seg); |
---|
| 2605 | if(result.distance < min) { |
---|
| 2606 | min = result.distance; |
---|
| 2607 | best = result; |
---|
| 2608 | if(min === 0) |
---|
| 2609 | break; |
---|
| 2610 | } else { |
---|
| 2611 | // if distance increases and we cross y0 to the right of x0, no need to keep looking. |
---|
| 2612 | if(seg.x2 > x && ((y > seg.y1 && y < seg.y2) || (y < seg.y1 && y > seg.y2))) |
---|
| 2613 | break; |
---|
| 2614 | } |
---|
| 2615 | } |
---|
| 2616 | if(details) |
---|
| 2617 | best = { |
---|
| 2618 | distance: best.distance, |
---|
| 2619 | x0: best.x, y0: best.y, |
---|
| 2620 | x1: x, y1: y |
---|
| 2621 | }; |
---|
| 2622 | else |
---|
| 2623 | best = best.distance; |
---|
| 2624 | } else if(geometry instanceof ZOO.Geometry.LineString) { |
---|
| 2625 | var segs0 = this.getSortedSegments(); |
---|
| 2626 | var segs1 = geometry.getSortedSegments(); |
---|
| 2627 | var seg0, seg1, intersection, x0, y0; |
---|
| 2628 | var len1 = segs1.length; |
---|
| 2629 | var interOptions = {point: true}; |
---|
| 2630 | outer: for(var i=0, len=segs0.length; i<len; ++i) { |
---|
| 2631 | seg0 = segs0[i]; |
---|
| 2632 | x0 = seg0.x1; |
---|
| 2633 | y0 = seg0.y1; |
---|
| 2634 | for(var j=0; j<len1; ++j) { |
---|
| 2635 | seg1 = segs1[j]; |
---|
| 2636 | intersection = ZOO.Geometry.segmentsIntersect(seg0, seg1, interOptions); |
---|
| 2637 | if(intersection) { |
---|
| 2638 | min = 0; |
---|
| 2639 | best = { |
---|
| 2640 | distance: 0, |
---|
| 2641 | x0: intersection.x, y0: intersection.y, |
---|
| 2642 | x1: intersection.x, y1: intersection.y |
---|
| 2643 | }; |
---|
| 2644 | break outer; |
---|
| 2645 | } else { |
---|
| 2646 | result = ZOO.Geometry.distanceToSegment({x: x0, y: y0}, seg1); |
---|
| 2647 | if(result.distance < min) { |
---|
| 2648 | min = result.distance; |
---|
| 2649 | best = { |
---|
| 2650 | distance: min, |
---|
| 2651 | x0: x0, y0: y0, |
---|
| 2652 | x1: result.x, y1: result.y |
---|
| 2653 | }; |
---|
| 2654 | } |
---|
| 2655 | } |
---|
| 2656 | } |
---|
| 2657 | } |
---|
| 2658 | if(!details) |
---|
| 2659 | best = best.distance; |
---|
| 2660 | if(min !== 0) { |
---|
| 2661 | // check the final vertex in this line's sorted segments |
---|
| 2662 | if(seg0) { |
---|
| 2663 | result = geometry.distanceTo( |
---|
| 2664 | new ZOO.Geometry.Point(seg0.x2, seg0.y2), |
---|
| 2665 | options |
---|
| 2666 | ); |
---|
| 2667 | var dist = details ? result.distance : result; |
---|
| 2668 | if(dist < min) { |
---|
| 2669 | if(details) |
---|
| 2670 | best = { |
---|
| 2671 | distance: min, |
---|
| 2672 | x0: result.x1, y0: result.y1, |
---|
| 2673 | x1: result.x0, y1: result.y0 |
---|
| 2674 | }; |
---|
| 2675 | else |
---|
| 2676 | best = dist; |
---|
| 2677 | } |
---|
| 2678 | } |
---|
| 2679 | } |
---|
| 2680 | } else { |
---|
| 2681 | best = geometry.distanceTo(this, options); |
---|
| 2682 | // swap since target comes from this line |
---|
| 2683 | if(details) |
---|
| 2684 | best = { |
---|
| 2685 | distance: best.distance, |
---|
| 2686 | x0: best.x1, y0: best.y1, |
---|
| 2687 | x1: best.x0, y1: best.y0 |
---|
| 2688 | }; |
---|
| 2689 | } |
---|
| 2690 | return best; |
---|
| 2691 | }, |
---|
| 2692 | CLASS_NAME: "ZOO.Geometry.LineString" |
---|
| 2693 | }); |
---|
| 2694 | ZOO.Geometry.LinearRing = ZOO.Class( |
---|
| 2695 | ZOO.Geometry.LineString, { |
---|
| 2696 | componentTypes: ["ZOO.Geometry.Point"], |
---|
| 2697 | initialize: function(points) { |
---|
| 2698 | ZOO.Geometry.LineString.prototype.initialize.apply(this,arguments); |
---|
| 2699 | }, |
---|
| 2700 | addComponent: function(point, index) { |
---|
| 2701 | var added = false; |
---|
| 2702 | //remove last point |
---|
| 2703 | var lastPoint = this.components.pop(); |
---|
| 2704 | // given an index, add the point |
---|
| 2705 | // without an index only add non-duplicate points |
---|
| 2706 | if(index != null || !point.equals(lastPoint)) |
---|
| 2707 | added = ZOO.Geometry.Collection.prototype.addComponent.apply(this,arguments); |
---|
| 2708 | //append copy of first point |
---|
| 2709 | var firstPoint = this.components[0]; |
---|
| 2710 | ZOO.Geometry.Collection.prototype.addComponent.apply(this,[firstPoint]); |
---|
| 2711 | return added; |
---|
| 2712 | }, |
---|
| 2713 | removeComponent: function(point) { |
---|
| 2714 | if (this.components.length > 4) { |
---|
| 2715 | //remove last point |
---|
| 2716 | this.components.pop(); |
---|
| 2717 | //remove our point |
---|
| 2718 | ZOO.Geometry.Collection.prototype.removeComponent.apply(this,arguments); |
---|
| 2719 | //append copy of first point |
---|
| 2720 | var firstPoint = this.components[0]; |
---|
| 2721 | ZOO.Geometry.Collection.prototype.addComponent.apply(this,[firstPoint]); |
---|
| 2722 | } |
---|
| 2723 | }, |
---|
| 2724 | move: function(x, y) { |
---|
| 2725 | for(var i = 0, len=this.components.length; i<len - 1; i++) { |
---|
| 2726 | this.components[i].move(x, y); |
---|
| 2727 | } |
---|
| 2728 | }, |
---|
| 2729 | rotate: function(angle, origin) { |
---|
| 2730 | for(var i=0, len=this.components.length; i<len - 1; ++i) { |
---|
| 2731 | this.components[i].rotate(angle, origin); |
---|
| 2732 | } |
---|
| 2733 | }, |
---|
| 2734 | resize: function(scale, origin, ratio) { |
---|
| 2735 | for(var i=0, len=this.components.length; i<len - 1; ++i) { |
---|
| 2736 | this.components[i].resize(scale, origin, ratio); |
---|
| 2737 | } |
---|
| 2738 | return this; |
---|
| 2739 | }, |
---|
| 2740 | transform: function(source, dest) { |
---|
| 2741 | if (source && dest) { |
---|
| 2742 | for (var i=0, len=this.components.length; i<len - 1; i++) { |
---|
| 2743 | var component = this.components[i]; |
---|
| 2744 | component.transform(source, dest); |
---|
| 2745 | } |
---|
| 2746 | this.bounds = null; |
---|
| 2747 | } |
---|
| 2748 | return this; |
---|
| 2749 | }, |
---|
| 2750 | getCentroid: function() { |
---|
| 2751 | if ( this.components && (this.components.length > 2)) { |
---|
| 2752 | var sumX = 0.0; |
---|
| 2753 | var sumY = 0.0; |
---|
| 2754 | for (var i = 0; i < this.components.length - 1; i++) { |
---|
| 2755 | var b = this.components[i]; |
---|
| 2756 | var c = this.components[i+1]; |
---|
| 2757 | sumX += (b.x + c.x) * (b.x * c.y - c.x * b.y); |
---|
| 2758 | sumY += (b.y + c.y) * (b.x * c.y - c.x * b.y); |
---|
| 2759 | } |
---|
| 2760 | var area = -1 * this.getArea(); |
---|
| 2761 | var x = sumX / (6 * area); |
---|
| 2762 | var y = sumY / (6 * area); |
---|
| 2763 | } |
---|
| 2764 | return new ZOO.Geometry.Point(x, y); |
---|
| 2765 | }, |
---|
| 2766 | getArea: function() { |
---|
| 2767 | var area = 0.0; |
---|
| 2768 | if ( this.components && (this.components.length > 2)) { |
---|
| 2769 | var sum = 0.0; |
---|
| 2770 | for (var i=0, len=this.components.length; i<len - 1; i++) { |
---|
| 2771 | var b = this.components[i]; |
---|
| 2772 | var c = this.components[i+1]; |
---|
| 2773 | sum += (b.x + c.x) * (c.y - b.y); |
---|
| 2774 | } |
---|
| 2775 | area = - sum / 2.0; |
---|
| 2776 | } |
---|
| 2777 | return area; |
---|
| 2778 | }, |
---|
| 2779 | containsPoint: function(point) { |
---|
| 2780 | var approx = OpenLayers.Number.limitSigDigs; |
---|
| 2781 | var digs = 14; |
---|
| 2782 | var px = approx(point.x, digs); |
---|
| 2783 | var py = approx(point.y, digs); |
---|
| 2784 | function getX(y, x1, y1, x2, y2) { |
---|
| 2785 | return (((x1 - x2) * y) + ((x2 * y1) - (x1 * y2))) / (y1 - y2); |
---|
| 2786 | } |
---|
| 2787 | var numSeg = this.components.length - 1; |
---|
| 2788 | var start, end, x1, y1, x2, y2, cx, cy; |
---|
| 2789 | var crosses = 0; |
---|
| 2790 | for(var i=0; i<numSeg; ++i) { |
---|
| 2791 | start = this.components[i]; |
---|
| 2792 | x1 = approx(start.x, digs); |
---|
| 2793 | y1 = approx(start.y, digs); |
---|
| 2794 | end = this.components[i + 1]; |
---|
| 2795 | x2 = approx(end.x, digs); |
---|
| 2796 | y2 = approx(end.y, digs); |
---|
| 2797 | |
---|
| 2798 | /** |
---|
| 2799 | * The following conditions enforce five edge-crossing rules: |
---|
| 2800 | * 1. points coincident with edges are considered contained; |
---|
| 2801 | * 2. an upward edge includes its starting endpoint, and |
---|
| 2802 | * excludes its final endpoint; |
---|
| 2803 | * 3. a downward edge excludes its starting endpoint, and |
---|
| 2804 | * includes its final endpoint; |
---|
| 2805 | * 4. horizontal edges are excluded; and |
---|
| 2806 | * 5. the edge-ray intersection point must be strictly right |
---|
| 2807 | * of the point P. |
---|
| 2808 | */ |
---|
| 2809 | if(y1 == y2) { |
---|
| 2810 | // horizontal edge |
---|
| 2811 | if(py == y1) { |
---|
| 2812 | // point on horizontal line |
---|
| 2813 | if(x1 <= x2 && (px >= x1 && px <= x2) || // right or vert |
---|
| 2814 | x1 >= x2 && (px <= x1 && px >= x2)) { // left or vert |
---|
| 2815 | // point on edge |
---|
| 2816 | crosses = -1; |
---|
| 2817 | break; |
---|
| 2818 | } |
---|
| 2819 | } |
---|
| 2820 | // ignore other horizontal edges |
---|
| 2821 | continue; |
---|
| 2822 | } |
---|
| 2823 | cx = approx(getX(py, x1, y1, x2, y2), digs); |
---|
| 2824 | if(cx == px) { |
---|
| 2825 | // point on line |
---|
| 2826 | if(y1 < y2 && (py >= y1 && py <= y2) || // upward |
---|
| 2827 | y1 > y2 && (py <= y1 && py >= y2)) { // downward |
---|
| 2828 | // point on edge |
---|
| 2829 | crosses = -1; |
---|
| 2830 | break; |
---|
| 2831 | } |
---|
| 2832 | } |
---|
| 2833 | if(cx <= px) { |
---|
| 2834 | // no crossing to the right |
---|
| 2835 | continue; |
---|
| 2836 | } |
---|
| 2837 | if(x1 != x2 && (cx < Math.min(x1, x2) || cx > Math.max(x1, x2))) { |
---|
| 2838 | // no crossing |
---|
| 2839 | continue; |
---|
| 2840 | } |
---|
| 2841 | if(y1 < y2 && (py >= y1 && py < y2) || // upward |
---|
| 2842 | y1 > y2 && (py < y1 && py >= y2)) { // downward |
---|
| 2843 | ++crosses; |
---|
| 2844 | } |
---|
| 2845 | } |
---|
| 2846 | var contained = (crosses == -1) ? |
---|
| 2847 | // on edge |
---|
| 2848 | 1 : |
---|
| 2849 | // even (out) or odd (in) |
---|
| 2850 | !!(crosses & 1); |
---|
| 2851 | |
---|
| 2852 | return contained; |
---|
| 2853 | }, |
---|
| 2854 | intersects: function(geometry) { |
---|
| 2855 | var intersect = false; |
---|
| 2856 | if(geometry.CLASS_NAME == "ZOO.Geometry.Point") |
---|
| 2857 | intersect = this.containsPoint(geometry); |
---|
| 2858 | else if(geometry.CLASS_NAME == "ZOO.Geometry.LineString") |
---|
| 2859 | intersect = geometry.intersects(this); |
---|
| 2860 | else if(geometry.CLASS_NAME == "ZOO.Geometry.LinearRing") |
---|
| 2861 | intersect = ZOO.Geometry.LineString.prototype.intersects.apply( |
---|
| 2862 | this, [geometry] |
---|
| 2863 | ); |
---|
| 2864 | else |
---|
| 2865 | for(var i=0, len=geometry.components.length; i<len; ++ i) { |
---|
| 2866 | intersect = geometry.components[i].intersects(this); |
---|
| 2867 | if(intersect) |
---|
| 2868 | break; |
---|
| 2869 | } |
---|
| 2870 | return intersect; |
---|
| 2871 | }, |
---|
| 2872 | getVertices: function(nodes) { |
---|
| 2873 | return (nodes === true) ? [] : this.components.slice(0, this.components.length-1); |
---|
| 2874 | }, |
---|
| 2875 | CLASS_NAME: "ZOO.Geometry.LinearRing" |
---|
| 2876 | }); |
---|
| 2877 | ZOO.Geometry.MultiLineString = ZOO.Class( |
---|
| 2878 | ZOO.Geometry.Collection, { |
---|
| 2879 | componentTypes: ["ZOO.Geometry.LineString"], |
---|
| 2880 | initialize: function(components) { |
---|
| 2881 | ZOO.Geometry.Collection.prototype.initialize.apply(this,arguments); |
---|
| 2882 | }, |
---|
| 2883 | split: function(geometry, options) { |
---|
| 2884 | var results = null; |
---|
| 2885 | var mutual = options && options.mutual; |
---|
| 2886 | var splits, sourceLine, sourceLines, sourceSplit, targetSplit; |
---|
| 2887 | var sourceParts = []; |
---|
| 2888 | var targetParts = [geometry]; |
---|
| 2889 | for(var i=0, len=this.components.length; i<len; ++i) { |
---|
| 2890 | sourceLine = this.components[i]; |
---|
| 2891 | sourceSplit = false; |
---|
| 2892 | for(var j=0; j < targetParts.length; ++j) { |
---|
| 2893 | splits = sourceLine.split(targetParts[j], options); |
---|
| 2894 | if(splits) { |
---|
| 2895 | if(mutual) { |
---|
| 2896 | sourceLines = splits[0]; |
---|
| 2897 | for(var k=0, klen=sourceLines.length; k<klen; ++k) { |
---|
| 2898 | if(k===0 && sourceParts.length) |
---|
| 2899 | sourceParts[sourceParts.length-1].addComponent( |
---|
| 2900 | sourceLines[k] |
---|
| 2901 | ); |
---|
| 2902 | else |
---|
| 2903 | sourceParts.push( |
---|
| 2904 | new ZOO.Geometry.MultiLineString([ |
---|
| 2905 | sourceLines[k] |
---|
| 2906 | ]) |
---|
| 2907 | ); |
---|
| 2908 | } |
---|
| 2909 | sourceSplit = true; |
---|
| 2910 | splits = splits[1]; |
---|
| 2911 | } |
---|
| 2912 | if(splits.length) { |
---|
| 2913 | // splice in new target parts |
---|
| 2914 | splits.unshift(j, 1); |
---|
| 2915 | Array.prototype.splice.apply(targetParts, splits); |
---|
| 2916 | break; |
---|
| 2917 | } |
---|
| 2918 | } |
---|
| 2919 | } |
---|
| 2920 | if(!sourceSplit) { |
---|
| 2921 | // source line was not hit |
---|
| 2922 | if(sourceParts.length) { |
---|
| 2923 | // add line to existing multi |
---|
| 2924 | sourceParts[sourceParts.length-1].addComponent( |
---|
| 2925 | sourceLine.clone() |
---|
| 2926 | ); |
---|
| 2927 | } else { |
---|
| 2928 | // create a fresh multi |
---|
| 2929 | sourceParts = [ |
---|
| 2930 | new ZOO.Geometry.MultiLineString( |
---|
| 2931 | sourceLine.clone() |
---|
| 2932 | ) |
---|
| 2933 | ]; |
---|
| 2934 | } |
---|
| 2935 | } |
---|
| 2936 | } |
---|
| 2937 | if(sourceParts && sourceParts.length > 1) |
---|
| 2938 | sourceSplit = true; |
---|
| 2939 | else |
---|
| 2940 | sourceParts = []; |
---|
| 2941 | if(targetParts && targetParts.length > 1) |
---|
| 2942 | targetSplit = true; |
---|
| 2943 | else |
---|
| 2944 | targetParts = []; |
---|
| 2945 | if(sourceSplit || targetSplit) { |
---|
| 2946 | if(mutual) |
---|
| 2947 | results = [sourceParts, targetParts]; |
---|
| 2948 | else |
---|
| 2949 | results = targetParts; |
---|
| 2950 | } |
---|
| 2951 | return results; |
---|
| 2952 | }, |
---|
| 2953 | splitWith: function(geometry, options) { |
---|
| 2954 | var results = null; |
---|
| 2955 | var mutual = options && options.mutual; |
---|
| 2956 | var splits, targetLine, sourceLines, sourceSplit, targetSplit, sourceParts, targetParts; |
---|
| 2957 | if(geometry instanceof ZOO.Geometry.LineString) { |
---|
| 2958 | targetParts = []; |
---|
| 2959 | sourceParts = [geometry]; |
---|
| 2960 | for(var i=0, len=this.components.length; i<len; ++i) { |
---|
| 2961 | targetSplit = false; |
---|
| 2962 | targetLine = this.components[i]; |
---|
| 2963 | for(var j=0; j<sourceParts.length; ++j) { |
---|
| 2964 | splits = sourceParts[j].split(targetLine, options); |
---|
| 2965 | if(splits) { |
---|
| 2966 | if(mutual) { |
---|
| 2967 | sourceLines = splits[0]; |
---|
| 2968 | if(sourceLines.length) { |
---|
| 2969 | // splice in new source parts |
---|
| 2970 | sourceLines.unshift(j, 1); |
---|
| 2971 | Array.prototype.splice.apply(sourceParts, sourceLines); |
---|
| 2972 | j += sourceLines.length - 2; |
---|
| 2973 | } |
---|
| 2974 | splits = splits[1]; |
---|
| 2975 | if(splits.length === 0) { |
---|
| 2976 | splits = [targetLine.clone()]; |
---|
| 2977 | } |
---|
| 2978 | } |
---|
| 2979 | for(var k=0, klen=splits.length; k<klen; ++k) { |
---|
| 2980 | if(k===0 && targetParts.length) { |
---|
| 2981 | targetParts[targetParts.length-1].addComponent( |
---|
| 2982 | splits[k] |
---|
| 2983 | ); |
---|
| 2984 | } else { |
---|
| 2985 | targetParts.push( |
---|
| 2986 | new ZOO.Geometry.MultiLineString([ |
---|
| 2987 | splits[k] |
---|
| 2988 | ]) |
---|
| 2989 | ); |
---|
| 2990 | } |
---|
| 2991 | } |
---|
| 2992 | targetSplit = true; |
---|
| 2993 | } |
---|
| 2994 | } |
---|
| 2995 | if(!targetSplit) { |
---|
| 2996 | // target component was not hit |
---|
| 2997 | if(targetParts.length) { |
---|
| 2998 | // add it to any existing multi-line |
---|
| 2999 | targetParts[targetParts.length-1].addComponent( |
---|
| 3000 | targetLine.clone() |
---|
| 3001 | ); |
---|
| 3002 | } else { |
---|
| 3003 | // or start with a fresh multi-line |
---|
| 3004 | targetParts = [ |
---|
| 3005 | new ZOO.Geometry.MultiLineString([ |
---|
| 3006 | targetLine.clone() |
---|
| 3007 | ]) |
---|
| 3008 | ]; |
---|
| 3009 | } |
---|
| 3010 | |
---|
| 3011 | } |
---|
| 3012 | } |
---|
| 3013 | } else { |
---|
| 3014 | results = geometry.split(this); |
---|
| 3015 | } |
---|
| 3016 | if(sourceParts && sourceParts.length > 1) |
---|
| 3017 | sourceSplit = true; |
---|
| 3018 | else |
---|
| 3019 | sourceParts = []; |
---|
| 3020 | if(targetParts && targetParts.length > 1) |
---|
| 3021 | targetSplit = true; |
---|
| 3022 | else |
---|
| 3023 | targetParts = []; |
---|
| 3024 | if(sourceSplit || targetSplit) { |
---|
| 3025 | if(mutual) |
---|
| 3026 | results = [sourceParts, targetParts]; |
---|
| 3027 | else |
---|
| 3028 | results = targetParts; |
---|
| 3029 | } |
---|
| 3030 | return results; |
---|
| 3031 | }, |
---|
| 3032 | CLASS_NAME: "ZOO.Geometry.MultiLineString" |
---|
| 3033 | }); |
---|
| 3034 | ZOO.Geometry.Polygon = ZOO.Class( |
---|
| 3035 | ZOO.Geometry.Collection, { |
---|
| 3036 | componentTypes: ["ZOO.Geometry.LinearRing"], |
---|
| 3037 | initialize: function(components) { |
---|
| 3038 | ZOO.Geometry.Collection.prototype.initialize.apply(this,arguments); |
---|
| 3039 | }, |
---|
| 3040 | getArea: function() { |
---|
| 3041 | var area = 0.0; |
---|
| 3042 | if ( this.components && (this.components.length > 0)) { |
---|
| 3043 | area += Math.abs(this.components[0].getArea()); |
---|
| 3044 | for (var i=1, len=this.components.length; i<len; i++) { |
---|
| 3045 | area -= Math.abs(this.components[i].getArea()); |
---|
| 3046 | } |
---|
| 3047 | } |
---|
| 3048 | return area; |
---|
| 3049 | }, |
---|
| 3050 | containsPoint: function(point) { |
---|
| 3051 | var numRings = this.components.length; |
---|
| 3052 | var contained = false; |
---|
| 3053 | if(numRings > 0) { |
---|
| 3054 | // check exterior ring - 1 means on edge, boolean otherwise |
---|
| 3055 | contained = this.components[0].containsPoint(point); |
---|
| 3056 | if(contained !== 1) { |
---|
| 3057 | if(contained && numRings > 1) { |
---|
| 3058 | // check interior rings |
---|
| 3059 | var hole; |
---|
| 3060 | for(var i=1; i<numRings; ++i) { |
---|
| 3061 | hole = this.components[i].containsPoint(point); |
---|
| 3062 | if(hole) { |
---|
| 3063 | if(hole === 1) |
---|
| 3064 | contained = 1; |
---|
| 3065 | else |
---|
| 3066 | contained = false; |
---|
| 3067 | break; |
---|
| 3068 | } |
---|
| 3069 | } |
---|
| 3070 | } |
---|
| 3071 | } |
---|
| 3072 | } |
---|
| 3073 | return contained; |
---|
| 3074 | }, |
---|
| 3075 | intersects: function(geometry) { |
---|
| 3076 | var intersect = false; |
---|
| 3077 | var i, len; |
---|
| 3078 | if(geometry.CLASS_NAME == "ZOO.Geometry.Point") { |
---|
| 3079 | intersect = this.containsPoint(geometry); |
---|
| 3080 | } else if(geometry.CLASS_NAME == "ZOO.Geometry.LineString" || |
---|
| 3081 | geometry.CLASS_NAME == "ZOO.Geometry.LinearRing") { |
---|
| 3082 | // check if rings/linestrings intersect |
---|
| 3083 | for(i=0, len=this.components.length; i<len; ++i) { |
---|
| 3084 | intersect = geometry.intersects(this.components[i]); |
---|
| 3085 | if(intersect) { |
---|
| 3086 | break; |
---|
| 3087 | } |
---|
| 3088 | } |
---|
| 3089 | if(!intersect) { |
---|
| 3090 | // check if this poly contains points of the ring/linestring |
---|
| 3091 | for(i=0, len=geometry.components.length; i<len; ++i) { |
---|
| 3092 | intersect = this.containsPoint(geometry.components[i]); |
---|
| 3093 | if(intersect) { |
---|
| 3094 | break; |
---|
| 3095 | } |
---|
| 3096 | } |
---|
| 3097 | } |
---|
| 3098 | } else { |
---|
| 3099 | for(i=0, len=geometry.components.length; i<len; ++ i) { |
---|
| 3100 | intersect = this.intersects(geometry.components[i]); |
---|
| 3101 | if(intersect) |
---|
| 3102 | break; |
---|
| 3103 | } |
---|
| 3104 | } |
---|
| 3105 | // check case where this poly is wholly contained by another |
---|
| 3106 | if(!intersect && geometry.CLASS_NAME == "ZOO.Geometry.Polygon") { |
---|
| 3107 | // exterior ring points will be contained in the other geometry |
---|
| 3108 | var ring = this.components[0]; |
---|
| 3109 | for(i=0, len=ring.components.length; i<len; ++i) { |
---|
| 3110 | intersect = geometry.containsPoint(ring.components[i]); |
---|
| 3111 | if(intersect) |
---|
| 3112 | break; |
---|
| 3113 | } |
---|
| 3114 | } |
---|
| 3115 | return intersect; |
---|
| 3116 | }, |
---|
| 3117 | distanceTo: function(geometry, options) { |
---|
| 3118 | var edge = !(options && options.edge === false); |
---|
| 3119 | var result; |
---|
| 3120 | // this is the case where we might not be looking for distance to edge |
---|
| 3121 | if(!edge && this.intersects(geometry)) |
---|
| 3122 | result = 0; |
---|
| 3123 | else |
---|
| 3124 | result = ZOO.Geometry.Collection.prototype.distanceTo.apply( |
---|
| 3125 | this, [geometry, options] |
---|
| 3126 | ); |
---|
| 3127 | return result; |
---|
| 3128 | }, |
---|
| 3129 | CLASS_NAME: "ZOO.Geometry.Polygon" |
---|
| 3130 | }); |
---|
| 3131 | ZOO.Geometry.MultiPolygon = ZOO.Class( |
---|
| 3132 | ZOO.Geometry.Collection, { |
---|
| 3133 | componentTypes: ["ZOO.Geometry.Polygon"], |
---|
| 3134 | initialize: function(components) { |
---|
| 3135 | ZOO.Geometry.Collection.prototype.initialize.apply(this,arguments); |
---|
| 3136 | }, |
---|
| 3137 | CLASS_NAME: "ZOO.Geometry.MultiPolygon" |
---|
| 3138 | }); |
---|
| 3139 | |
---|
| 3140 | ZOO.Process = ZOO.Class({ |
---|
| 3141 | schemaLocation: "http://www.opengis.net/wps/1.0.0/../wpsExecute_request.xsd", |
---|
| 3142 | namespaces: { |
---|
| 3143 | ows: "http://www.opengis.net/ows/1.1", |
---|
| 3144 | wps: "http://www.opengis.net/wps/1.0.0", |
---|
| 3145 | xlink: "http://www.w3.org/1999/xlink", |
---|
| 3146 | xsi: "http://www.w3.org/2001/XMLSchema-instance", |
---|
| 3147 | }, |
---|
| 3148 | url: 'http://localhost/zoo', |
---|
| 3149 | identifier: null, |
---|
| 3150 | initialize: function(url,identifier) { |
---|
| 3151 | this.url = url; |
---|
| 3152 | this.identifier = identifier; |
---|
| 3153 | }, |
---|
| 3154 | Execute: function(inputs) { |
---|
| 3155 | if (this.identifier == null) |
---|
| 3156 | return null; |
---|
| 3157 | var body = new XML('<wps:Execute service="WPS" version="1.0.0" xmlns:wps="'+this.namespaces['wps']+'" xmlns:ows="'+this.namespaces['ows']+'" xmlns:xlink="'+this.namespaces['xlink']+'" xmlns:xsi="'+this.namespaces['xsi']+'" xsi:schemaLocation="'+this.schemaLocation+'"><ows:Identifier>'+this.identifier+'</ows:Identifier>'+this.buildDataInputsNode(inputs)+'</wps:Execute>'); |
---|
| 3158 | body = body.toXMLString(); |
---|
| 3159 | var response = ZOO.Request.Post(this.url,body,['Content-Type: text/xml; charset=UTF-8']); |
---|
| 3160 | return response; |
---|
| 3161 | }, |
---|
| 3162 | buildInput: { |
---|
| 3163 | 'complex': function(identifier,data) { |
---|
| 3164 | var input = new XML('<wps:Input xmlns:wps="'+this.namespaces['wps']+'"><ows:Identifier xmlns:ows="'+this.namespaces['ows']+'">'+identifier+'</ows:Identifier><wps:Data><wps:ComplexData>'+data.value+'</wps:ComplexData></wps:Data></wps:Input>'); |
---|
| 3165 | input.*::Data.*::ComplexData.@mimeType = data.mimetype ? data.mimetype : 'text/plain'; |
---|
| 3166 | if (data.encoding) |
---|
| 3167 | input.*::Data.*::ComplexData.@encoding = data.encoding; |
---|
| 3168 | if (data.schema) |
---|
| 3169 | input.*::Data.*::ComplexData.@schema = data.schema; |
---|
| 3170 | input = input.toXMLString(); |
---|
| 3171 | return input; |
---|
| 3172 | }, |
---|
| 3173 | 'reference': function(identifier,data) { |
---|
| 3174 | return '<wps:Input xmlns:wps="'+this.namespaces['wps']+'"><ows:Identifier xmlns:ows="'+this.namespaces['ows']+'">'+identifier+'</ows:Identifier><wps:Reference xmlns:xlink="'+this.namespaces['xlink']+'" xlink:href="'+data.value.replace('&','&','gi')+'"/></wps:Input>'; |
---|
| 3175 | }, |
---|
| 3176 | 'literal': function(identifier,data) { |
---|
| 3177 | var input = new XML('<wps:Input xmlns:wps="'+this.namespaces['wps']+'"><ows:Identifier xmlns:ows="'+this.namespaces['ows']+'">'+identifier+'</ows:Identifier><wps:Data><wps:LiteralData>'+data.value+'</wps:LiteralData></wps:Data></wps:Input>'); |
---|
| 3178 | if (data.type) |
---|
| 3179 | input.*::Data.*::LiteralData.@dataType = data.type; |
---|
| 3180 | if (data.uom) |
---|
| 3181 | input.*::Data.*::LiteralData.@uom = data.uom; |
---|
| 3182 | input = input.toXMLString(); |
---|
| 3183 | return input; |
---|
| 3184 | } |
---|
| 3185 | }, |
---|
| 3186 | buildDataInputsNode:function(inputs){ |
---|
| 3187 | var data, builder, inputsArray=[]; |
---|
| 3188 | for (var attr in inputs) { |
---|
| 3189 | data = inputs[attr]; |
---|
| 3190 | if (data.mimetype || data.type == 'complex') |
---|
| 3191 | builder = this.buildInput['complex']; |
---|
| 3192 | else if (data.type == 'reference' || data.type == 'url') |
---|
| 3193 | builder = this.buildInput['reference']; |
---|
| 3194 | else |
---|
| 3195 | builder = this.buildInput['literal']; |
---|
| 3196 | inputsArray.push(builder.apply(this,[attr,data])); |
---|
| 3197 | } |
---|
| 3198 | return '<wps:DataInputs xmlns:wps="'+this.namespaces['wps']+'">'+inputsArray.join('\n')+'</wps:DataInputs>'; |
---|
| 3199 | }, |
---|
| 3200 | CLASS_NAME: "ZOO.Process" |
---|
| 3201 | }); |
---|