ol2实现地图聚合功能


折腾了好久,终于把地图聚合给做出来了,这还得感谢杨姐姐最终的指点(不对,是帮助了很多)。下面我就直接贴代码了。

代码的主目录是这样的:
(聚合主目录

cluster.html

<!DOCTYPE html>
<html>
<head>
    <title>OpenLayers Control/SelectCluster</title>
    <meta http-equiv="Content-Type" content="text/html; charset=utf-8" />

    <link rel="stylesheet" href="style.css" />
    <script type="text/javascript" src="OpenLayers.js"></script>
    <script type="text/javascript" src="Cluster.js"></script>
    <script type="text/javascript" src="SelectCluster.js"></script>

    <script type="text/javascript">
    var map, clayer, ctrl; 
    function initMap()                        // 初始化地图,可以拿来放到自己对应的位置
    {    // Nouvelle carte
        map = new OpenLayers.Map("map");

        // OSM
        map.addLayer ( new OpenLayers.Layer.OSM() );

        // Ajouter un controle pour les couches
        map.addControl(new OpenLayers.Control.LayerSwitcher());

        // Centrer la carte
        var WGS84 = new OpenLayers.Projection('EPSG:4326');
        map.setCenter(new OpenLayers.LonLat(2.424, 48.845).transform(WGS84, map.getProjectionObject()), 13);

        // Cluster layer's style
        var style = new OpenLayers.Style
        ({    pointRadius: 12,
            externalGraphic: "img/pins.png",
            backgroundGraphic: "img/pinsback.png",
            graphicYOffset:-24,
            backgroundXOffset: 0,
            backgroundYOffset: -16,
            graphicZIndex: 11,
            backgroundGraphicZIndex: 10,
            fillColor: "${fcolor}", //"#F0C20C",
            fillOpacity: 1,
            strokeColor: "#333",
            strokeWidth: 2,
            strokeOpacity: 1,
            labelSelect: false,
            //label: "${label}",
            //labelYOffset: "${labelOffset}",
            fontFamily: '"Luxi sans","Lucida Grande",Lucida,"Lucida Sans Unicode",sans-serif',
            fontSize: "${fSize}",
            fontWeight : "bold",
            cursor:"pointer"
        },
        {    context:
            {    label: function(f) 
                {    if (f.cluster) return f.cluster.length ? f.cluster[0].attributes.n : "";
                    return f.attributes.n;
                },
                labelOffset: function(f) 
                {    return (f.cluster && f.cluster.length>1) ? "" : -8;
                },
                fSize: function(f) 
                {    return (f.cluster && f.cluster.length>1) ? 12 : 8;
                },
                fcolor: function(f)
                {    if (!f.cluster) return "#F0C20C";
                    if (f.cluster.length<8) return "#AF7";
                    if (f.cluster.length<16) return "#FD5";
                    return "#F97";
                }
            }
        });
        // New cluster Layer
        clayer = new OpenLayers.Layer.Cluster ("Clusters", 
                {    rendererOptions: {yOrdering: true},
                    styleMap: new OpenLayers.StyleMap
                    ({    "default": style,
                        "select": {    pointRadius: 18 }
                    })
                });

        // Add 200 features to cluster
        var b = map.calculateBounds();
        var features = new Array();
        for (var i = 0; i < 200; i++)    // 测试数据,替换为自己拿到的xy坐标
        {    var r1 = Math.random();
            var r2 = Math.random();
            var px = b.left + (b.right-b.left) *r1 ; 
            var py = b.bottom + (b.top-b.bottom) *r2 ; 
            var f = new OpenLayers.Feature.Vector( new OpenLayers.Geometry.Point(px, py), {n:i} );
            features.push(f);
        }

        map.addLayer(clayer);
        clayer.addFeatures(features);

        // Select control
        ctrl = new OpenLayers.Control.SelectCluster (clayer, 
                {    hover:false, 
                    pointRadius:12,
                    animate:true, 
                    connect:false,
                    onSelect: function(feature) 
                    {    if (feature.cluster) feature = feature.cluster[0];
                        showStatus("selected feature "+feature.attributes.n+" ("+feature.id+")");
                    },
                    onUnselect: function(feature) 
                    {    showStatus("");
                    },
                });
        map.addControl (ctrl);
        ctrl.activate();

    }

    function showStatus(text) 
    {    document.getElementById("status").innerHTML = text;            
    }
    </script>


    <style>
        body { font:1em Helvetica,Arial,sans-serif; }
        h1 { color:#369; margin:0.5em 0 0.2em }
        #tags { color:#69F; font-size:0.9em; }
        p { margin: 0.5em 0; }
        p.title { color:#369; font-weight:bold; }
        #map { background:#fff; float:left; }
        #options { margin:0.5em; float:left; }
        #options p { margin:0 0 1em; }
        #docs { background:#e3e6e9; padding:0.5em; margin:0.5em 0; }
        .olControlAttribution
        {    bottom:0;
            background:rgba(255,255,255,0.6);
            padding: 0 0.5em;
        }
        #status { display:block; clear:both; }
    </style>

</head>
<body onload="initMap()">




    <!-- DIV pour la carte -->
    <div id="map" style="width:600px; height:400px;"></div>

    <p id="status">
    </p>

</body>
</html>

聚合替换数据

但是由于业务需求,需要再改动一下

添加:点击地图要素,弹出其信息,点击其他区域,上一个弹窗消失:

function loadJuhe(){
    // Cluster layer's style
    var style = new OpenLayers.Style
    ({    pointRadius: 12,
        externalGraphic: "../../../otherlibs/ol2/img/pins.png",   // 要素图标,我贴在后面,也可以用自己的
        backgroundGraphic: "../../../otherlibs/ol2/img/pinsback.png",
        graphicYOffset:-24,
        backgroundXOffset: 0,
        backgroundYOffset: -16,
        graphicZIndex: 11,
        backgroundGraphicZIndex: 10,
        fillColor: "${fcolor}", //"#F0C20C",
        fillOpacity: 1,
        strokeColor: "#333",
        strokeWidth: 2,
        strokeOpacity: 1,
        labelSelect: false,
        //label: "${label}",
        //labelYOffset: "${labelOffset}",
        fontFamily: '"Luxi sans","Lucida Grande",Lucida,"Lucida Sans Unicode",sans-serif',
        fontSize: "${fSize}",
        fontWeight : "bold",
        cursor:"pointer"
    },
    {    context:
        {    label: function(f) 
            {    if (f.cluster) return f.cluster.length ? f.cluster[0].attributes.n : "";
                return f.attributes.n;
            },
            labelOffset: function(f) 
            {    return (f.cluster && f.cluster.length>1) ? "" : -8;
            },
            fSize: function(f) 
            {    return (f.cluster && f.cluster.length>1) ? 12 : 8;
            },
            fcolor: function(f)
            {    if (!f.cluster) return "#F0C20C";
                if (f.cluster.length<8) return "#AF7";
                if (f.cluster.length<16) return "#FD5";
                return "#F97";
            }
        }
    });
    // New cluster Layer
    clayer = new OpenLayers.Layer.Cluster ("Clusters", 
            {    rendererOptions: {yOrdering: true},
                styleMap: new OpenLayers.StyleMap
                ({    "default": style,
                    "select": {    pointRadius: 18 }
                })
            });

    // Add 200 features to cluster
    var b = map.calculateBounds();
    var features = new Array();
    // $iframes.videodata
    for (var i = 0; i < $iframes.videodata.length; i++)   //$iframes.videsdata是我从后台拿到的数据
    {    
        var f = new OpenLayers.Feature.Vector( new OpenLayers.Geometry.Point($iframes.videodata[i]['x'], $iframes.videodata[i]['y']),
                {n:i, itemdata : $iframes.videodata[i]} );  //itemdata 是每一项的数据
        features.push(f);
    }

    map.addLayer(clayer);
    clayer.addFeatures(features);

    // Select control
    ctrl = new OpenLayers.Control.SelectCluster (clayer, 
            {    hover:false, 
                pointRadius:12,
                animate:true, 
                connect:false,
                onSelect: function(feature)    // 弹窗
                {    
                    if (feature.cluster) feature = feature.cluster[0];
                    ctrl.onUnselect();
                    var popupContentHTML="";    //弹窗的页面元素
                    popupContentHTML += '<div id="showTradeInfo" style="width:320px;background-color:rgb(255, 255, 255);height: auto;position:relative;">';
                    var data = feature.data.itemdata;  // 后台数据的每一项

                            popupContentHTML  += '<div style="height:auto;line-height:36px;font-size: 14px; color: #4d4d4d;padding-left:10px;padding-right:10px; font-weight: 700;border-bottom:1px solid #ccc;">'
                            popupContentHTML  += '<label style="margin-bottom:0px;">名称</label>:<label style="margin-bottom:0px;font-weight:500;">'+data['name']+'</label>'
                            popupContentHTML  += '</div>';

                            popupContentHTML  += '<div style="height:auto;line-height:36px;font-size: 14px; color: #4d4d4d;padding-left:10px;padding-right:10px; font-weight: 700;border-bottom:1px solid #ccc;">'
                            popupContentHTML  += '<label style="margin-bottom:0px;">地址</label>:<label style="margin-bottom:0px;font-weight:500;">'+data["address"]+'</label>'
                            popupContentHTML  += '</div>';


                    popupContentHTML += '</div>';
                    var popup = new OpenLayers.Popup.CSSFramedCloud("MyFavorites", 
                            feature.geometry.getBounds().getCenterLonLat(),// 坐标
                            null,// popup大小
                            popupContentHTML,// html内容
                            null,// 锚点
                            true,// 是否显示关闭按钮
                            function() {// 关闭弹窗触发该回调函数
//                        specialmap.removePopup(feature.popup);
                        feature.popup.destroy();
                        feature.popup = null;
                    });
                    popup.autoSize = true;
                    feature.popup = popup;
                    map.addPopup(popup); 


                },
                onUnselect: function(feature)    // 取消弹窗没写
                {    
                        for(var j=0; j<map.popups.length; j++){
                            map.removePopup(map.popups[j]);
                            j--;
                        }
//                    $("#clocePop").click(function(){
//                        removePopup();
//                    });


                },
            });
    map.addControl (ctrl);
    ctrl.activate();
}

下面几个文件直接引用即可,直接贴出来

cluster.js

/* Copyright (c) 2014 by Jean-Marc.Viglino [at]ign.fr
* Dual-licensed under the CeCILL-B Licence (http://www.cecill.info/)
* and the Beerware license (http://en.wikipedia.org/wiki/Beerware), 
* feel free to use and abuse it in your projects (the code, not the beer ;-). 
*/

/**
* Class: OpenLayers.Layer.Cluster
* OpenLayers.Layer.Cluster is a OpenLayers.Layer.Vector with cluster stragegy and styling
*
* Inherits from:
* - <OpenLayers.Layer.Vector>
*/
OpenLayers.Layer.Cluster = OpenLayers.Class(OpenLayers.Layer.Vector, 
{

    /**
    * APIProperty: startegyParam 
    * Properties for OpenLayers.Strategy.Cluster 
    * and OpenLayers.Strategy.AnimatedCluster if included
    */
    startegyParam:
    {    /**
        * APIProperty: distance
        * {Integer} Pixel distance between features that should be considered a
        * single cluster. Default is 45 pixels.
        */
        distance: 45,

        /**
        * APIProperty: animationMethod for animated cluster if included
        * https://github.com/acanimal/AnimatedCluster
        */
        animationMethod: OpenLayers.Easing.Expo.easeOut,

        /**
        * APIProperty: animationDuration for animated cluster if included
        * https://github.com/acanimal/AnimatedCluster
        */
        animationDuration: 30
    },

    /**
    * Constructor: OpenLayers.Layer.Cluster
    * Create a new cluster layer
    *
    * Parameters:
    * name - {String} A name for the layer
    * options - {Object} Optional object with non-default properties to set on
    * the layer. Use options.startegyParam to setup cluster strategy properties.
    *
    * Returns:
    * {<OpenLayers.Layer.Vector>} A new vector layer
    */
    initialize: function(name, options) 
    {   if (!options) options={};
        var self = this;
        // 
        var smap = options.styleMap;
        if (!smap) 
        {    options.styleMap = smap = new OpenLayers.StyleMap (OpenLayers.Util.extend({},OpenLayers.Feature.Vector.style));
        }
        if (!smap.styles["default"].context) smap.styles["default"].context={};
        // Overload a style
        function overrideStyle (s,f)
        {    var f0, v0;
            // is a value
            v0 = smap.styles["default"].defaultStyle[s];
            // is a function
            if (v0 && v0.match) f0 = v0.match(/^\$\{(.*)\}$/);
            if (f0) f0 = smap.styles["default"].context[f0[1]];
            // Override
            smap.styles["default"].defaultStyle[s] = "${"+s+"}";
            smap.styles["default"].context[s] = function(feature)
                {    if (feature.cluster && self.countFeaturesInCluster(feature)>1) return f(feature);
                    else return f0 ? f0(feature) : v0 ? v0 : "";
                };
            smap.styles["default"].propertyStyles[s] = true;
        }
        // Overload pointRadius
        var pointRadius = smap.styles["default"].defaultStyle.pointRadius || 3;
        var minRadius = smap.styles["default"].defaultStyle.minRadius || 6;
        var maxRadius = smap.styles["default"].defaultStyle.maxRadius || 30;
        var facRadius = smap.styles["default"].defaultStyle.facRadius || 1;
//        overrideStyle ("pointRadius", function(feature) { return Math.min(minRadius + (feature.attributes.count-1)*facRadius,maxRadius);});
        overrideStyle ("pointRadius", function(feature) { return Math.min(minRadius + (self.countFeaturesInCluster(feature)-1)*facRadius,maxRadius);});
        // Overload strokeWidth
        overrideStyle ("strokeWidth", function(feature) { return 10; });
        // Overload strokeOpacity
        overrideStyle ("strokeOpacity", function(feature) { return 0.5; });
        // Overload strokeColor
        var fillColor = smap.styles["default"].defaultStyle.fillColor;
        var fillColorFunction = null;
        if (fillColor && fillColor.match) 
        {    fillColorFunction = fillColor.match(/^\$\{(.*)\}$/);
            if (fillColorFunction) fillColorFunction = smap.styles["default"].context[fillColorFunction[1]];
        }
        overrideStyle ("strokeColor", function(feature) 
        {    return fillColorFunction ? fillColorFunction(feature) : fillColor; 
        });
        // Overload fillOpacity
        overrideStyle ("fillOpacity", function(feature) { return 1; });
        // Overload externalGraphic
        overrideStyle ("externalGraphic", function(feature) { return ""; });
        // Overload externalGraphic
        overrideStyle ("backgroundGraphic", function(feature) { return ""; });
        // Overload label
        overrideStyle ("label", function(feature) { return self.countFeaturesInCluster(feature); });


        var strategy;
        if (OpenLayers.Strategy.AnimatedCluster) strategy = OpenLayers.Strategy.AnimatedCluster
        else strategy = OpenLayers.Strategy.Cluster;
        var strategy_clusters = new strategy ({
                distance: this.startegyParam.distance,
                animationMethod: this.startegyParam.animationMethod,
                animationDuration: this.startegyParam.animationDuration
            });
        this.strategy_clusters = strategy_clusters;

        if (options.strategies) options.strategies.push(strategy_clusters);
        else options.strategies = [strategy_clusters];

        OpenLayers.Layer.Vector.prototype.initialize.apply(this, [name, options]);
    },

    /** Add new feature : the standard method remove existing features
    */
    addFeatures: function (features)
    {    if (!this.strategy_clusters.clustering)
        {    var f = this.strategy_clusters.features;
            if (f) features = features.concat(f);
        }
        OpenLayers.Layer.Vector.prototype.addFeatures.apply(this, [features]);
    },

    /** Refresh the layer : re-calculate the clusters
    */
    refresh: function()
    {    //this.strategy_clusters.clusters=null;
        this.strategy_clusters.resolution = 0;
        this.strategy_clusters.cluster();
    },

    /** Compact features at the same coords in a cluster to minimze number of features
    */
    compact: function()
    {    if (this.isCompact) return;
        var features = this.strategy_clusters.features;
        var clusters = [];
        var clustered;
        // Cluster features at the same coord
        for (var i=0; i<features.length; i++)
        {    feature = features[i];
            if(feature.geometry) 
            {    clustered = false;
                for(var j=clusters.length-1; j>=0; --j) 
                {    cluster = clusters[j];
                    if(feature.geometry.getBounds().getCenterLonLat().equals(cluster.geometry.getBounds().getCenterLonLat())) 
                    {    cluster.cluster.push(feature);
                        cluster.attributes.count += 1;
                        clustered = true;
                        break;
                    }
                }
                if (!clustered) 
                {    var center = feature.geometry.getBounds().getCenterLonLat();
                    var cluster = new OpenLayers.Feature.Vector(
                        new OpenLayers.Geometry.Point(center.lon, center.lat),
                        {count: 1}
                    );
                    cluster.cluster = [feature];
                    clusters.push(cluster);
                }
            }
        }
        features = new Array();
        var l = clusters.length;
        for (var i=0; i<l; i++)
        {    if (clusters[i].cluster && clusters[i].attributes.count==1) features.push(clusters[i].cluster[0]);
            else features.push(clusters[i]);
        }
        // Add the new features
        OpenLayers.Layer.Vector.prototype.addFeatures.apply(this, [features]);
        this.isCompact = true;
        this.refresh();
    },

    /** Count number of feature in a cluster
    */
    countFeaturesInCluster: function(feature)
    {    if (feature.layer != this) return 1;
        if (feature.cluster)
        {    // Normal cluster
            if (!this.isCompact) return feature.attributes.count;
            var c = 0;
            // Compact Cluster > count cluster of cluster
            for (var i=0; i<feature.cluster.length; i++)
            {    c += feature.cluster[i].cluster ? feature.cluster[i].attributes.count : 1;
            }
            return c;
        }
        // No cluster
        else return 1;
    },

    /** Get the features in a cluster
    */
    getFeaturesInCluster: function(feature)
    {    if (feature.layer != this) return [feature];
        if (feature.cluster)
        {    // Normal cluster
            if (!this.isCompact) return feature.cluster;
            var f=new Array();
            // Compact Cluster > count cluster of cluster
            for (var i=0; i<feature.cluster.length; i++)
            {    if (feature.cluster[i].cluster) 
                {    for (k=0; k<feature.cluster[i].cluster.length; k++) 
                        f.push( feature.cluster[i].cluster[k] )
                }
                else f.push( feature.cluster[i] );
            }
            return f;
        }
        // No cluster
        else return [feature];
    },

    /** Cluster layer */
    CLASS_NAME: "OpenLayers.Layer.Cluster"
});

selectcluster.js

/* Copyright (c) 2014 by Jean-Marc.Viglino [at]ign.fr
* Dual-licensed under the CeCILL-B Licence (http://www.cecill.info/)
* and the Beerware license (http://en.wikipedia.org/wiki/Beerware), 
* feel free to use and abuse it in your projects (the code, not the beer ;-). 
*/

/**
* Class: OpenLayers.Control.SelectCluster
* The SelectCluster control selects vector features from a given 
* cluster layer on click or hover.
*
* Inherits from:
* - <OpenLayers.Control.SelectFeature>
*/

OpenLayers.Control.SelectCluster = OpenLayers.Class(OpenLayers.Control.SelectFeature, 
{
    /**
    * APIProperty: connect
    * {Boolean} Draw connection lines to the cluster. Default is false.
    */
    connect: false,

    /**
    * APIProperty: animate
    * {Boolean} Play an animation. Default is false.
    */
    animate:false,

    /**
    * APIProperty: animationDuration
    * {Integer} The number of steps to be passed to the OpenLayers.Tween.start() 
    * method when the clusters are animated.
    * Default is 40.    
    */
    animationDuration: 40,

    /**
    * APIProperty: pointRadius
    * {Number} Radius of the points in the cluster. Default is 12.
    */
    pointRadius: 12,

    /**
    * APIProperty: circleMaxObject
    * {Integer} Number of points to be drawn on a circle. Default is 10
    */
    circleMaxObject: 10,

    /**
    * APIProperty: spiral
    * {Boolean} Allow to draw point on a spiral when more than circleMaxObject. Default is true
    */
    spiral: true,

    /**
    * APIProperty: maxPoint
    * {Boolean} Number of points to be drawn on a spiral. Default is 60
    */
    maxPoint: 60,

    /**
    * Property: animationTween
    * {OpenLayers.Tween} Tween for animation.
    */
    animationTween: new OpenLayers.Tween(OpenLayers.Easing.Expo.easeOut),

    // Initialize the SelectCluster control
    initialize: function(layers, options) 
    {    if (!layers.length) layers = [layers];
        var smap = layers[0].styleMap;

        // Add a new layer to store selection
        this.selLayer = new OpenLayers.Layer.Vector("Selection",
                {    displayInLayerSwitcher: false,
                    visibility:false,
                    // Get the yOrdering for shadow on marker
                    rendererOptions: layers[0].rendererOptions,
                    styleMap: smap
                });
        // Add this layer to selection
        layers.push(this.selLayer);

        // No box selection
        if (options) options.box = false;

        OpenLayers.Control.SelectFeature.prototype.initialize.apply(this, [layers, options]);

    },

    /**
    * Method: setMap
    * Set the map property for the control.
    *
    * Parameters:
    * map - {<OpenLayers.Map>}
    */
    setMap: function(map) 
    {   OpenLayers.Control.SelectFeature.prototype.setMap.apply(this, arguments);

        map.addLayer(this.selLayer);
        map.events.register('movestart', this, function(e) 
        {    //if(e.zoomChanged)
            {    this.unselectAll(); 
                this.selLayer.setVisibility(false);
            }
        });
        map.events.register('changelayer', this, function(e) 
        {    if (    e.property == "visibility" 
                &&    e.layer != this.selLayer 
                &&    OpenLayers.Util.indexOf(this.layers,e.layer) > -1 
                ) 
                this.selLayer.setVisibility(false);
        });
    },

    /**
    * Method: select
    * If the feature is a cluster spread it out in selLayer.
    * Otherwise, do default action.
    *
    * Parameters:
    * feature - {<OpenLayers.Feature.Vector>}
    */
    select: function(feature) 
    {    // Don't spread twice
        if (feature == this.lastCluster && this.selLayer.getVisibility()) return;
        var count=1;
        var layer = feature.layer;
        // Spread the cluster out
        if (feature.cluster) 
        {    this.lastCluster = feature;
            // Clear the Layer
            this.selLayer.removeAllFeatures();
            this.selLayer.setVisibility(true);
            if (layer && layer.countFeaturesInCluster) count = layer.countFeaturesInCluster(feature);
            else count = feature.cluster.attributes.count;
        }

        if (count>1)
        {    
            // Pixel size in map unit
            var pix = feature.layer.map.resolution;
            var cluster = new Array();;
            if (layer && layer.getFeaturesInCluster)
            {    cluster = layer.getFeaturesInCluster(feature);
            }
            else cluster = feature.cluster;

            // Draw on a circle
            if (!this.spiral || cluster.length <= this.circleMaxObject)
            {    var r = pix * this.pointRadius * (0.5 + cluster.length / 4);
                var features = new Array();
                var links = new Array();
                var max = Math.min(cluster.length, this.circleMaxObject);
                // Features on a circle
                for (i=0; i<max; i++)
                {    // New feature
                    var f = cluster[i].clone();
                    var a = 2*Math.PI*i/max;
                    if (max==2 || max == 4) a += Math.PI/4;
                    if (this.animate)
                    {    f.dataAnimate = 
                            {    x0:feature.geometry.x, y0:feature.geometry.y,
                                x1:feature.geometry.x+r*Math.sin(a), y1:feature.geometry.y+r*Math.cos(a) 
                            }
                    }
                    else f.geometry = new OpenLayers.Geometry.Point (feature.geometry.x+r*Math.sin(a), feature.geometry.y+r*Math.cos(a));
                    // Draw connection
                    if (this.connect)
                    {    var f2 = cluster[i].clone();
                        f2.geometry = new OpenLayers.Geometry.LineString (
                            [    f.geometry ,
                                feature.geometry
                            ]);
                        links.push(f2);
                    }
                    features.push(f);
                }
                if (this.connect) this.selLayer.addFeatures(links);
                this.selLayer.addFeatures(features);
            }
            // Draw on a spiral
            else
            {    // Angle de depart
                var a = 0;
                var r;
                var d = 2*this.pointRadius;
                var features = new Array();
                var links = new Array();
                var max = Math.min (this.maxPoint, cluster.length);
                // Feature on a spiral
                for (i=0; i<max; i++)
                {    // Nouveau rayon
                    r = d/2 + d*a/(2*Math.PI);
                    // Angle
                    a = a + (d+0.1)/r;
                    var dx = pix*r*Math.sin(a)
                    var dy = pix*r*Math.cos(a)
                    // New Feature
                    var f = cluster[i].clone();
                    if (this.animate)
                    {    f.dataAnimate = 
                            {    x0:feature.geometry.x, y0:feature.geometry.y,
                                x1:feature.geometry.x+dx, y1:feature.geometry.y+dy 
                            }
                    }
                    else f.geometry = new OpenLayers.Geometry.Point (feature.geometry.x+dx, feature.geometry.y+dy);
                    features.push(f);
                    // Draw connection
                    if (this.connect)
                    {    var f2 = cluster[i].clone();
                        f2.geometry = new OpenLayers.Geometry.LineString (
                            [    f.geometry ,
                                feature.geometry
                            ]);
                        links.push (f2);
                    }
                }
                if (this.connect) this.selLayer.addFeatures(links);
                this.selLayer.addFeatures(features);
            }

            if (this.animate)
            {    // Animation
                var self = this;
                this.animationTween.start ( {pos:0.0}, {pos:1.0}, this.animationDuration, 
                    {   callbacks: 
                        {    eachStep: function (delta) { self.doAnimation(delta); },
                            done: function (delta) { self.doAnimation(delta, true); }
                        }
                    }
                );
            }
        }
        else
        {    OpenLayers.Control.SelectFeature.prototype.select.apply(this, [feature]);
        }
    },

    /**
    * Method: doAnimation
    * Calculate animation on the features in the layer.
    */
    doAnimation: function (delta, last)
    {    var pos = delta.pos;
        for (var i=0; i<this.selLayer.features.length; i++) 
        {    var f = this.selLayer.features[i];
            if (f.dataAnimate)
            {    f.geometry.x = f.dataAnimate.x0 + (f.dataAnimate.x1 - f.dataAnimate.x0) *pos;
                f.geometry.y = f.dataAnimate.y0 + (f.dataAnimate.y1 - f.dataAnimate.y0) *pos;
            }
            if (pos==1.0) f.geometry.calculateBounds();
        }
        this.selLayer.redraw();
    },

    /**
    * Method: clickoutFeature
    * Called on click outside a previously clicked (selected) feature.
    * Only responds if this.hover is false.
    *
    * Parameters:
    * feature - {<OpenLayers.Vector.Feature>}
    */
    clickoutFeature: function(feature) 
    {    if(!this.hover && this.clickout) 
        {    this.selLayer.setVisibility(false);
            this.unselectAll();
        }
    },

    /**
    * Method: getSelection
    * Return the selected features.
    *
    * Parameters:
    * cluster - {Boolean} Get cluster features or original features (pay attention original features may have inconsistent layer). Default is false.
    */
    getSelection: function(cluster)
    {    var i, j;
        var sel = new Array();
        for (i=0; i<this.layers.length; i++)
        {    var s = this.layers[i].selectedFeatures;
            for (j=0; j<s.length; j++)
            {    if (!cluster)
                {    if (!s[j].cluster) sel.push(s[j]);
                    else if (s[j].cluster.length == 1) sel.push(s[j].cluster[0]);
                }
                else sel.push(s[j]);
            }
        }
        return sel;
    },

    CLASS_NAME: "OpenLayers.Layer.SelectCluster"
});

OpenLayers.js 官方库,也可以自行下载 ,很长,但是还是放到这里吧

/*

  OpenLayers.js -- OpenLayers Map Viewer Library

  Copyright (c) 2006-2013 by OpenLayers Contributors
  Published under the 2-clause BSD license.
  See http://openlayers.org/dev/license.txt for the full text of the license, and http://openlayers.org/dev/authors.txt for full list of contributors.

  Includes compressed code under the following licenses:

  (For uncompressed versions of the code used, please see the
  OpenLayers Github repository: <https://github.com/openlayers/openlayers>)

*/

/**
 * Contains XMLHttpRequest.js <http://code.google.com/p/xmlhttprequest/>
 * Copyright 2007 Sergey Ilinsky (http://www.ilinsky.com)
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 * http://www.apache.org/licenses/LICENSE-2.0
 */

/**
 * OpenLayers.Util.pagePosition is based on Yahoo's getXY method, which is
 * Copyright (c) 2006, Yahoo! Inc.
 * All rights reserved.
 * 
 * Redistribution and use of this software in source and binary forms, with or
 * without modification, are permitted provided that the following conditions
 * are met:
 * 
 * * Redistributions of source code must retain the above copyright notice,
 *   this list of conditions and the following disclaimer.
 * 
 * * Redistributions in binary form must reproduce the above copyright notice,
 *   this list of conditions and the following disclaimer in the documentation
 *   and/or other materials provided with the distribution.
 * 
 * * Neither the name of Yahoo! Inc. nor the names of its contributors may be
 *   used to endorse or promote products derived from this software without
 *   specific prior written permission of Yahoo! Inc.
 * 
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 
 * POSSIBILITY OF SUCH DAMAGE.
 */
var OpenLayers={VERSION_NUMBER:"Release 2.13.1",singleFile:!0,_getScriptLocation:function(){for(var a=/(^|(.*?\/))(OpenLayers[^\/]*?\.js)(\?|$)/,b=document.getElementsByTagName("script"),c,d="",e=0,f=b.length;e<f;e++)if(c=b[e].getAttribute("src"))if(c=c.match(a)){d=c[1];break}return function(){return d}}(),ImgPath:""};OpenLayers.Class=function(){var a=arguments.length,b=arguments[0],c=arguments[a-1],d="function"==typeof c.initialize?c.initialize:function(){b.prototype.initialize.apply(this,arguments)};1<a?(a=[d,b].concat(Array.prototype.slice.call(arguments).slice(1,a-1),c),OpenLayers.inherit.apply(null,a)):d.prototype=c;return d};
OpenLayers.inherit=function(a,b){var c=function(){};c.prototype=b.prototype;a.prototype=new c;var d,e,c=2;for(d=arguments.length;c<d;c++)e=arguments[c],"function"===typeof e&&(e=e.prototype),OpenLayers.Util.extend(a.prototype,e)};OpenLayers.Util=OpenLayers.Util||{};OpenLayers.Util.extend=function(a,b){a=a||{};if(b){for(var c in b){var d=b[c];void 0!==d&&(a[c]=d)}"function"==typeof window.Event&&b instanceof window.Event||(!b.hasOwnProperty||!b.hasOwnProperty("toString"))||(a.toString=b.toString)}return a};OpenLayers.String={startsWith:function(a,b){return 0==a.indexOf(b)},contains:function(a,b){return-1!=a.indexOf(b)},trim:function(a){return a.replace(/^\s\s*/,"").replace(/\s\s*$/,"")},camelize:function(a){a=a.split("-");for(var b=a[0],c=1,d=a.length;c<d;c++)var e=a[c],b=b+(e.charAt(0).toUpperCase()+e.substring(1));return b},format:function(a,b,c){b||(b=window);return a.replace(OpenLayers.String.tokenRegEx,function(a,e){for(var f,g=e.split(/\.+/),h=0;h<g.length;h++){0==h&&(f=b);if(void 0===f)break;
f=f[g[h]]}"function"==typeof f&&(f=c?f.apply(null,c):f());return"undefined"==typeof f?"undefined":f})},tokenRegEx:/\$\{([\w.]+?)\}/g,numberRegEx:/^([+-]?)(?=\d|\.\d)\d*(\.\d*)?([Ee]([+-]?\d+))?$/,isNumeric:function(a){return OpenLayers.String.numberRegEx.test(a)},numericIf:function(a,b){var c=a;!0===b&&(null!=a&&a.replace)&&(a=a.replace(/^\s*|\s*$/g,""));return OpenLayers.String.isNumeric(a)?parseFloat(a):c}};
OpenLayers.Number={decimalSeparator:".",thousandsSeparator:",",limitSigDigs:function(a,b){var c=0;0<b&&(c=parseFloat(a.toPrecision(b)));return c},format:function(a,b,c,d){b="undefined"!=typeof b?b:0;c="undefined"!=typeof c?c:OpenLayers.Number.thousandsSeparator;d="undefined"!=typeof d?d:OpenLayers.Number.decimalSeparator;null!=b&&(a=parseFloat(a.toFixed(b)));var e=a.toString().split(".");1==e.length&&null==b&&(b=0);a=e[0];if(c)for(var f=/(-?[0-9]+)([0-9]{3})/;f.test(a);)a=a.replace(f,"$1"+c+"$2");
0==b?b=a:(c=1<e.length?e[1]:"0",null!=b&&(c+=Array(b-c.length+1).join("0")),b=a+d+c);return b},zeroPad:function(a,b,c){for(a=a.toString(c||10);a.length<b;)a="0"+a;return a}};
OpenLayers.Function={bind:function(a,b){var c=Array.prototype.slice.apply(arguments,[2]);return function(){var d=c.concat(Array.prototype.slice.apply(arguments,[0]));return a.apply(b,d)}},bindAsEventListener:function(a,b){return function(c){return a.call(b,c||window.event)}},False:function(){return!1},True:function(){return!0},Void:function(){}};
OpenLayers.Array={filter:function(a,b,c){var d=[];if(Array.prototype.filter)d=a.filter(b,c);else{var e=a.length;if("function"!=typeof b)throw new TypeError;for(var f=0;f<e;f++)if(f in a){var g=a[f];b.call(c,g,f,a)&&d.push(g)}}return d}};OpenLayers.Bounds=OpenLayers.Class({left:null,bottom:null,right:null,top:null,centerLonLat:null,initialize:function(a,b,c,d){OpenLayers.Util.isArray(a)&&(d=a[3],c=a[2],b=a[1],a=a[0]);null!=a&&(this.left=OpenLayers.Util.toFloat(a));null!=b&&(this.bottom=OpenLayers.Util.toFloat(b));null!=c&&(this.right=OpenLayers.Util.toFloat(c));null!=d&&(this.top=OpenLayers.Util.toFloat(d))},clone:function(){return new OpenLayers.Bounds(this.left,this.bottom,this.right,this.top)},equals:function(a){var b=!1;null!=
a&&(b=this.left==a.left&&this.right==a.right&&this.top==a.top&&this.bottom==a.bottom);return b},toString:function(){return[this.left,this.bottom,this.right,this.top].join()},toArray:function(a){return!0===a?[this.bottom,this.left,this.top,this.right]:[this.left,this.bottom,this.right,this.top]},toBBOX:function(a,b){null==a&&(a=6);var c=Math.pow(10,a),d=Math.round(this.left*c)/c,e=Math.round(this.bottom*c)/c,f=Math.round(this.right*c)/c,c=Math.round(this.top*c)/c;return!0===b?e+","+d+","+c+","+f:d+
","+e+","+f+","+c},toGeometry:function(){return new OpenLayers.Geometry.Polygon([new OpenLayers.Geometry.LinearRing([new OpenLayers.Geometry.Point(this.left,this.bottom),new OpenLayers.Geometry.Point(this.right,this.bottom),new OpenLayers.Geometry.Point(this.right,this.top),new OpenLayers.Geometry.Point(this.left,this.top)])])},getWidth:function(){return this.right-this.left},getHeight:function(){return this.top-this.bottom},getSize:function(){return new OpenLayers.Size(this.getWidth(),this.getHeight())},
getCenterPixel:function(){return new OpenLayers.Pixel((this.left+this.right)/2,(this.bottom+this.top)/2)},getCenterLonLat:function(){this.centerLonLat||(this.centerLonLat=new OpenLayers.LonLat((this.left+this.right)/2,(this.bottom+this.top)/2));return this.centerLonLat},scale:function(a,b){null==b&&(b=this.getCenterLonLat());var c,d;"OpenLayers.LonLat"==b.CLASS_NAME?(c=b.lon,d=b.lat):(c=b.x,d=b.y);return new OpenLayers.Bounds((this.left-c)*a+c,(this.bottom-d)*a+d,(this.right-c)*a+c,(this.top-d)*a+
d)},add:function(a,b){if(null==a||null==b)throw new TypeError("Bounds.add cannot receive null values");return new OpenLayers.Bounds(this.left+a,this.bottom+b,this.right+a,this.top+b)},extend:function(a){if(a)switch(a.CLASS_NAME){case "OpenLayers.LonLat":this.extendXY(a.lon,a.lat);break;case "OpenLayers.Geometry.Point":this.extendXY(a.x,a.y);break;case "OpenLayers.Bounds":this.centerLonLat=null;if(null==this.left||a.left<this.left)this.left=a.left;if(null==this.bottom||a.bottom<this.bottom)this.bottom=
a.bottom;if(null==this.right||a.right>this.right)this.right=a.right;if(null==this.top||a.top>this.top)this.top=a.top}},extendXY:function(a,b){this.centerLonLat=null;if(null==this.left||a<this.left)this.left=a;if(null==this.bottom||b<this.bottom)this.bottom=b;if(null==this.right||a>this.right)this.right=a;if(null==this.top||b>this.top)this.top=b},containsLonLat:function(a,b){"boolean"===typeof b&&(b={inclusive:b});b=b||{};var c=this.contains(a.lon,a.lat,b.inclusive),d=b.worldBounds;d&&!c&&(c=d.getWidth(),
d=Math.round((a.lon-(d.left+d.right)/2)/c),c=this.containsLonLat({lon:a.lon-d*c,lat:a.lat},{inclusive:b.inclusive}));return c},containsPixel:function(a,b){return this.contains(a.x,a.y,b)},contains:function(a,b,c){null==c&&(c=!0);if(null==a||null==b)return!1;a=OpenLayers.Util.toFloat(a);b=OpenLayers.Util.toFloat(b);var d=!1;return d=c?a>=this.left&&a<=this.right&&b>=this.bottom&&b<=this.top:a>this.left&&a<this.right&&b>this.bottom&&b<this.top},intersectsBounds:function(a,b){"boolean"===typeof b&&(b=
{inclusive:b});b=b||{};if(b.worldBounds){var c=this.wrapDateLine(b.worldBounds);a=a.wrapDateLine(b.worldBounds)}else c=this;null==b.inclusive&&(b.inclusive=!0);var d=!1,e=c.left==a.right||c.right==a.left||c.top==a.bottom||c.bottom==a.top;if(b.inclusive||!e)var d=a.top>=c.bottom&&a.top<=c.top||c.top>a.bottom&&c.top<a.top,e=a.left>=c.left&&a.left<=c.right||c.left>=a.left&&c.left<=a.right,f=a.right>=c.left&&a.right<=c.right||c.right>=a.left&&c.right<=a.right,d=(a.bottom>=c.bottom&&a.bottom<=c.top||c.bottom>=
a.bottom&&c.bottom<=a.top||d)&&(e||f);if(b.worldBounds&&!d){var g=b.worldBounds,e=g.getWidth(),f=!g.containsBounds(c),g=!g.containsBounds(a);f&&!g?(a=a.add(-e,0),d=c.intersectsBounds(a,{inclusive:b.inclusive})):g&&!f&&(c=c.add(-e,0),d=a.intersectsBounds(c,{inclusive:b.inclusive}))}return d},containsBounds:function(a,b,c){null==b&&(b=!1);null==c&&(c=!0);var d=this.contains(a.left,a.bottom,c),e=this.contains(a.right,a.bottom,c),f=this.contains(a.left,a.top,c);a=this.contains(a.right,a.top,c);return b?
d||e||f||a:d&&e&&f&&a},determineQuadrant:function(a){var b="",c=this.getCenterLonLat(),b=b+(a.lat<c.lat?"b":"t");return b+=a.lon<c.lon?"l":"r"},transform:function(a,b){this.centerLonLat=null;var c=OpenLayers.Projection.transform({x:this.left,y:this.bottom},a,b),d=OpenLayers.Projection.transform({x:this.right,y:this.bottom},a,b),e=OpenLayers.Projection.transform({x:this.left,y:this.top},a,b),f=OpenLayers.Projection.transform({x:this.right,y:this.top},a,b);this.left=Math.min(c.x,e.x);this.bottom=Math.min(c.y,
d.y);this.right=Math.max(d.x,f.x);this.top=Math.max(e.y,f.y);return this},wrapDateLine:function(a,b){b=b||{};var c=b.leftTolerance||0,d=b.rightTolerance||0,e=this.clone();if(a){for(var f=a.getWidth();e.left<a.left&&e.right-d<=a.left;)e=e.add(f,0);for(;e.left+c>=a.right&&e.right>a.right;)e=e.add(-f,0);c=e.left+c;c<a.right&&(c>a.left&&e.right-d>a.right)&&(e=e.add(-f,0))}return e},CLASS_NAME:"OpenLayers.Bounds"});
OpenLayers.Bounds.fromString=function(a,b){var c=a.split(",");return OpenLayers.Bounds.fromArray(c,b)};OpenLayers.Bounds.fromArray=function(a,b){return!0===b?new OpenLayers.Bounds(a[1],a[0],a[3],a[2]):new OpenLayers.Bounds(a[0],a[1],a[2],a[3])};OpenLayers.Bounds.fromSize=function(a){return new OpenLayers.Bounds(0,a.h,a.w,0)};OpenLayers.Bounds.oppositeQuadrant=function(a){var b;b=""+("t"==a.charAt(0)?"b":"t");return b+="l"==a.charAt(1)?"r":"l"};OpenLayers.Element={visible:function(a){return"none"!=OpenLayers.Util.getElement(a).style.display},toggle:function(){for(var a=0,b=arguments.length;a<b;a++){var c=OpenLayers.Util.getElement(arguments[a]),d=OpenLayers.Element.visible(c)?"none":"";c.style.display=d}},remove:function(a){a=OpenLayers.Util.getElement(a);a.parentNode.removeChild(a)},getHeight:function(a){a=OpenLayers.Util.getElement(a);return a.offsetHeight},hasClass:function(a,b){var c=a.className;return!!c&&RegExp("(^|\\s)"+b+"(\\s|$)").test(c)},
addClass:function(a,b){OpenLayers.Element.hasClass(a,b)||(a.className+=(a.className?" ":"")+b);return a},removeClass:function(a,b){var c=a.className;c&&(a.className=OpenLayers.String.trim(c.replace(RegExp("(^|\\s+)"+b+"(\\s+|$)")," ")));return a},toggleClass:function(a,b){OpenLayers.Element.hasClass(a,b)?OpenLayers.Element.removeClass(a,b):OpenLayers.Element.addClass(a,b);return a},getStyle:function(a,b){a=OpenLayers.Util.getElement(a);var c=null;if(a&&a.style){c=a.style[OpenLayers.String.camelize(b)];
c||(document.defaultView&&document.defaultView.getComputedStyle?c=(c=document.defaultView.getComputedStyle(a,null))?c.getPropertyValue(b):null:a.currentStyle&&(c=a.currentStyle[OpenLayers.String.camelize(b)]));var d=["left","top","right","bottom"];window.opera&&(-1!=OpenLayers.Util.indexOf(d,b)&&"static"==OpenLayers.Element.getStyle(a,"position"))&&(c="auto")}return"auto"==c?null:c}};OpenLayers.LonLat=OpenLayers.Class({lon:0,lat:0,initialize:function(a,b){OpenLayers.Util.isArray(a)&&(b=a[1],a=a[0]);this.lon=OpenLayers.Util.toFloat(a);this.lat=OpenLayers.Util.toFloat(b)},toString:function(){return"lon="+this.lon+",lat="+this.lat},toShortString:function(){return this.lon+", "+this.lat},clone:function(){return new OpenLayers.LonLat(this.lon,this.lat)},add:function(a,b){if(null==a||null==b)throw new TypeError("LonLat.add cannot receive null values");return new OpenLayers.LonLat(this.lon+
OpenLayers.Util.toFloat(a),this.lat+OpenLayers.Util.toFloat(b))},equals:function(a){var b=!1;null!=a&&(b=this.lon==a.lon&&this.lat==a.lat||isNaN(this.lon)&&isNaN(this.lat)&&isNaN(a.lon)&&isNaN(a.lat));return b},transform:function(a,b){var c=OpenLayers.Projection.transform({x:this.lon,y:this.lat},a,b);this.lon=c.x;this.lat=c.y;return this},wrapDateLine:function(a){var b=this.clone();if(a){for(;b.lon<a.left;)b.lon+=a.getWidth();for(;b.lon>a.right;)b.lon-=a.getWidth()}return b},CLASS_NAME:"OpenLayers.LonLat"});
OpenLayers.LonLat.fromString=function(a){a=a.split(",");return new OpenLayers.LonLat(a[0],a[1])};OpenLayers.LonLat.fromArray=function(a){var b=OpenLayers.Util.isArray(a);return new OpenLayers.LonLat(b&&a[0],b&&a[1])};OpenLayers.Pixel=OpenLayers.Class({x:0,y:0,initialize:function(a,b){this.x=parseFloat(a);this.y=parseFloat(b)},toString:function(){return"x="+this.x+",y="+this.y},clone:function(){return new OpenLayers.Pixel(this.x,this.y)},equals:function(a){var b=!1;null!=a&&(b=this.x==a.x&&this.y==a.y||isNaN(this.x)&&isNaN(this.y)&&isNaN(a.x)&&isNaN(a.y));return b},distanceTo:function(a){return Math.sqrt(Math.pow(this.x-a.x,2)+Math.pow(this.y-a.y,2))},add:function(a,b){if(null==a||null==b)throw new TypeError("Pixel.add cannot receive null values");
return new OpenLayers.Pixel(this.x+a,this.y+b)},offset:function(a){var b=this.clone();a&&(b=this.add(a.x,a.y));return b},CLASS_NAME:"OpenLayers.Pixel"});OpenLayers.Size=OpenLayers.Class({w:0,h:0,initialize:function(a,b){this.w=parseFloat(a);this.h=parseFloat(b)},toString:function(){return"w="+this.w+",h="+this.h},clone:function(){return new OpenLayers.Size(this.w,this.h)},equals:function(a){var b=!1;null!=a&&(b=this.w==a.w&&this.h==a.h||isNaN(this.w)&&isNaN(this.h)&&isNaN(a.w)&&isNaN(a.h));return b},CLASS_NAME:"OpenLayers.Size"});OpenLayers.Console={log:function(){},debug:function(){},info:function(){},warn:function(){},error:function(){},userError:function(a){alert(a)},assert:function(){},dir:function(){},dirxml:function(){},trace:function(){},group:function(){},groupEnd:function(){},time:function(){},timeEnd:function(){},profile:function(){},profileEnd:function(){},count:function(){},CLASS_NAME:"OpenLayers.Console"};
(function(){for(var a=document.getElementsByTagName("script"),b=0,c=a.length;b<c;++b)if(-1!=a[b].src.indexOf("firebug.js")&&console){OpenLayers.Util.extend(OpenLayers.Console,console);break}})();OpenLayers.Lang={code:null,defaultCode:"en",getCode:function(){OpenLayers.Lang.code||OpenLayers.Lang.setCode();return OpenLayers.Lang.code},setCode:function(a){var b;a||(a="msie"==OpenLayers.BROWSER_NAME?navigator.userLanguage:navigator.language);a=a.split("-");a[0]=a[0].toLowerCase();"object"==typeof OpenLayers.Lang[a[0]]&&(b=a[0]);if(a[1]){var c=a[0]+"-"+a[1].toUpperCase();"object"==typeof OpenLayers.Lang[c]&&(b=c)}b||(OpenLayers.Console.warn("Failed to find OpenLayers.Lang."+a.join("-")+" dictionary, falling back to default language"),
b=OpenLayers.Lang.defaultCode);OpenLayers.Lang.code=b},translate:function(a,b){var c=OpenLayers.Lang[OpenLayers.Lang.getCode()];(c=c&&c[a])||(c=a);b&&(c=OpenLayers.String.format(c,b));return c}};OpenLayers.i18n=OpenLayers.Lang.translate;OpenLayers.Util=OpenLayers.Util||{};OpenLayers.Util.getElement=function(){for(var a=[],b=0,c=arguments.length;b<c;b++){var d=arguments[b];"string"==typeof d&&(d=document.getElementById(d));if(1==arguments.length)return d;a.push(d)}return a};OpenLayers.Util.isElement=function(a){return!(!a||1!==a.nodeType)};OpenLayers.Util.isArray=function(a){return"[object Array]"===Object.prototype.toString.call(a)};OpenLayers.Util.removeItem=function(a,b){for(var c=a.length-1;0<=c;c--)a[c]==b&&a.splice(c,1);return a};
OpenLayers.Util.indexOf=function(a,b){if("function"==typeof a.indexOf)return a.indexOf(b);for(var c=0,d=a.length;c<d;c++)if(a[c]==b)return c;return-1};OpenLayers.Util.dotless=/\./g;
OpenLayers.Util.modifyDOMElement=function(a,b,c,d,e,f,g,h){b&&(a.id=b.replace(OpenLayers.Util.dotless,"_"));c&&(a.style.left=c.x+"px",a.style.top=c.y+"px");d&&(a.style.width=d.w+"px",a.style.height=d.h+"px");e&&(a.style.position=e);f&&(a.style.border=f);g&&(a.style.overflow=g);0<=parseFloat(h)&&1>parseFloat(h)?(a.style.filter="alpha(opacity="+100*h+")",a.style.opacity=h):1==parseFloat(h)&&(a.style.filter="",a.style.opacity="")};
OpenLayers.Util.createDiv=function(a,b,c,d,e,f,g,h){var k=document.createElement("div");d&&(k.style.backgroundImage="url("+d+")");a||(a=OpenLayers.Util.createUniqueID("OpenLayersDiv"));e||(e="absolute");OpenLayers.Util.modifyDOMElement(k,a,b,c,e,f,g,h);return k};
OpenLayers.Util.createImage=function(a,b,c,d,e,f,g,h){var k=document.createElement("img");a||(a=OpenLayers.Util.createUniqueID("OpenLayersDiv"));e||(e="relative");OpenLayers.Util.modifyDOMElement(k,a,b,c,e,f,null,g);h&&(k.style.display="none",b=function(){k.style.display="";OpenLayers.Event.stopObservingElement(k)},OpenLayers.Event.observe(k,"load",b),OpenLayers.Event.observe(k,"error",b));k.style.alt=a;k.galleryImg="no";d&&(k.src=d);return k};OpenLayers.IMAGE_RELOAD_ATTEMPTS=0;
OpenLayers.Util.alphaHackNeeded=null;OpenLayers.Util.alphaHack=function(){if(null==OpenLayers.Util.alphaHackNeeded){var a=navigator.appVersion.split("MSIE"),a=parseFloat(a[1]),b=!1;try{b=!!document.body.filters}catch(c){}OpenLayers.Util.alphaHackNeeded=b&&5.5<=a&&7>a}return OpenLayers.Util.alphaHackNeeded};
OpenLayers.Util.modifyAlphaImageDiv=function(a,b,c,d,e,f,g,h,k){OpenLayers.Util.modifyDOMElement(a,b,c,d,f,null,null,k);b=a.childNodes[0];e&&(b.src=e);OpenLayers.Util.modifyDOMElement(b,a.id+"_innerImage",null,d,"relative",g);OpenLayers.Util.alphaHack()&&("none"!=a.style.display&&(a.style.display="inline-block"),null==h&&(h="scale"),a.style.filter="progid:DXImageTransform.Microsoft.AlphaImageLoader(src='"+b.src+"', sizingMethod='"+h+"')",0<=parseFloat(a.style.opacity)&&1>parseFloat(a.style.opacity)&&
(a.style.filter+=" alpha(opacity="+100*a.style.opacity+")"),b.style.filter="alpha(opacity=0)")};OpenLayers.Util.createAlphaImageDiv=function(a,b,c,d,e,f,g,h,k){var l=OpenLayers.Util.createDiv();k=OpenLayers.Util.createImage(null,null,null,null,null,null,null,k);k.className="olAlphaImg";l.appendChild(k);OpenLayers.Util.modifyAlphaImageDiv(l,a,b,c,d,e,f,g,h);return l};OpenLayers.Util.upperCaseObject=function(a){var b={},c;for(c in a)b[c.toUpperCase()]=a[c];return b};
OpenLayers.Util.applyDefaults=function(a,b){a=a||{};var c="function"==typeof window.Event&&b instanceof window.Event,d;for(d in b)if(void 0===a[d]||!c&&b.hasOwnProperty&&b.hasOwnProperty(d)&&!a.hasOwnProperty(d))a[d]=b[d];!c&&(b&&b.hasOwnProperty&&b.hasOwnProperty("toString")&&!a.hasOwnProperty("toString"))&&(a.toString=b.toString);return a};
OpenLayers.Util.getParameterString=function(a){var b=[],c;for(c in a){var d=a[c];if(null!=d&&"function"!=typeof d){if("object"==typeof d&&d.constructor==Array){for(var e=[],f,g=0,h=d.length;g<h;g++)f=d[g],e.push(encodeURIComponent(null===f||void 0===f?"":f));d=e.join(",")}else d=encodeURIComponent(d);b.push(encodeURIComponent(c)+"="+d)}}return b.join("&")};OpenLayers.Util.urlAppend=function(a,b){var c=a;if(b)var d=(a+" ").split(/[?&]/),c=c+(" "===d.pop()?b:d.length?"&"+b:"?"+b);return c};
OpenLayers.Util.getImagesLocation=function(){return OpenLayers.ImgPath||OpenLayers._getScriptLocation()+"img/"};OpenLayers.Util.getImageLocation=function(a){return OpenLayers.Util.getImagesLocation()+a};OpenLayers.Util.Try=function(){for(var a=null,b=0,c=arguments.length;b<c;b++){var d=arguments[b];try{a=d();break}catch(e){}}return a};
OpenLayers.Util.getXmlNodeValue=function(a){var b=null;OpenLayers.Util.Try(function(){b=a.text;b||(b=a.textContent);b||(b=a.firstChild.nodeValue)},function(){b=a.textContent});return b};OpenLayers.Util.mouseLeft=function(a,b){for(var c=a.relatedTarget?a.relatedTarget:a.toElement;c!=b&&null!=c;)c=c.parentNode;return c!=b};OpenLayers.Util.DEFAULT_PRECISION=14;OpenLayers.Util.toFloat=function(a,b){null==b&&(b=OpenLayers.Util.DEFAULT_PRECISION);"number"!==typeof a&&(a=parseFloat(a));return 0===b?a:parseFloat(a.toPrecision(b))};
OpenLayers.Util.rad=function(a){return a*Math.PI/180};OpenLayers.Util.deg=function(a){return 180*a/Math.PI};OpenLayers.Util.VincentyConstants={a:6378137,b:6356752.3142,f:1/298.257223563};
OpenLayers.Util.distVincenty=function(a,b){for(var c=OpenLayers.Util.VincentyConstants,d=c.a,e=c.b,c=c.f,f=OpenLayers.Util.rad(b.lon-a.lon),g=Math.atan((1-c)*Math.tan(OpenLayers.Util.rad(a.lat))),h=Math.atan((1-c)*Math.tan(OpenLayers.Util.rad(b.lat))),k=Math.sin(g),g=Math.cos(g),l=Math.sin(h),h=Math.cos(h),m=f,n=2*Math.PI,p=20;1E-12<Math.abs(m-n)&&0<--p;){var q=Math.sin(m),r=Math.cos(m),s=Math.sqrt(h*q*h*q+(g*l-k*h*r)*(g*l-k*h*r));if(0==s)return 0;var r=k*l+g*h*r,t=Math.atan2(s,r),u=Math.asin(g*h*
q/s),v=Math.cos(u)*Math.cos(u),q=r-2*k*l/v,w=c/16*v*(4+c*(4-3*v)),n=m,m=f+(1-w)*c*Math.sin(u)*(t+w*s*(q+w*r*(-1+2*q*q)))}if(0==p)return NaN;d=v*(d*d-e*e)/(e*e);c=d/1024*(256+d*(-128+d*(74-47*d)));return(e*(1+d/16384*(4096+d*(-768+d*(320-175*d))))*(t-c*s*(q+c/4*(r*(-1+2*q*q)-c/6*q*(-3+4*s*s)*(-3+4*q*q))))).toFixed(3)/1E3};
OpenLayers.Util.destinationVincenty=function(a,b,c){var d=OpenLayers.Util,e=d.VincentyConstants,f=e.a,g=e.b,h=e.f,e=a.lon;a=a.lat;var k=d.rad(b);b=Math.sin(k);k=Math.cos(k);a=(1-h)*Math.tan(d.rad(a));var l=1/Math.sqrt(1+a*a),m=a*l,n=Math.atan2(a,k);a=l*b;for(var p=1-a*a,f=p*(f*f-g*g)/(g*g),q=1+f/16384*(4096+f*(-768+f*(320-175*f))),r=f/1024*(256+f*(-128+f*(74-47*f))),f=c/(g*q),s=2*Math.PI;1E-12<Math.abs(f-s);)var t=Math.cos(2*n+f),u=Math.sin(f),v=Math.cos(f),w=r*u*(t+r/4*(v*(-1+2*t*t)-r/6*t*(-3+4*
u*u)*(-3+4*t*t))),s=f,f=c/(g*q)+w;c=m*u-l*v*k;g=Math.atan2(m*v+l*u*k,(1-h)*Math.sqrt(a*a+c*c));b=Math.atan2(u*b,l*v-m*u*k);k=h/16*p*(4+h*(4-3*p));t=b-(1-k)*h*a*(f+k*u*(t+k*v*(-1+2*t*t)));Math.atan2(a,-c);return new OpenLayers.LonLat(e+d.deg(t),d.deg(g))};
OpenLayers.Util.getParameters=function(a,b){b=b||{};a=null===a||void 0===a?window.location.href:a;var c="";if(OpenLayers.String.contains(a,"?"))var d=a.indexOf("?")+1,c=OpenLayers.String.contains(a,"#")?a.indexOf("#"):a.length,c=a.substring(d,c);for(var d={},c=c.split(/[&;]/),e=0,f=c.length;e<f;++e){var g=c[e].split("=");if(g[0]){var h=g[0];try{h=decodeURIComponent(h)}catch(k){h=unescape(h)}g=(g[1]||"").replace(/\+/g," ");try{g=decodeURIComponent(g)}catch(l){g=unescape(g)}!1!==b.splitArgs&&(g=g.split(","));
1==g.length&&(g=g[0]);d[h]=g}}return d};OpenLayers.Util.lastSeqID=0;OpenLayers.Util.createUniqueID=function(a){a=null==a?"id_":a.replace(OpenLayers.Util.dotless,"_");OpenLayers.Util.lastSeqID+=1;return a+OpenLayers.Util.lastSeqID};OpenLayers.INCHES_PER_UNIT={inches:1,ft:12,mi:63360,m:39.37,km:39370,dd:4374754,yd:36};OpenLayers.INCHES_PER_UNIT["in"]=OpenLayers.INCHES_PER_UNIT.inches;OpenLayers.INCHES_PER_UNIT.degrees=OpenLayers.INCHES_PER_UNIT.dd;OpenLayers.INCHES_PER_UNIT.nmi=1852*OpenLayers.INCHES_PER_UNIT.m;
OpenLayers.METERS_PER_INCH=0.0254000508001016;
OpenLayers.Util.extend(OpenLayers.INCHES_PER_UNIT,{Inch:OpenLayers.INCHES_PER_UNIT.inches,Meter:1/OpenLayers.METERS_PER_INCH,Foot:0.3048006096012192/OpenLayers.METERS_PER_INCH,IFoot:0.3048/OpenLayers.METERS_PER_INCH,ClarkeFoot:0.3047972651151/OpenLayers.METERS_PER_INCH,SearsFoot:0.30479947153867626/OpenLayers.METERS_PER_INCH,GoldCoastFoot:0.3047997101815088/OpenLayers.METERS_PER_INCH,IInch:0.0254/OpenLayers.METERS_PER_INCH,MicroInch:2.54E-5/OpenLayers.METERS_PER_INCH,Mil:2.54E-8/OpenLayers.METERS_PER_INCH,
Centimeter:0.01/OpenLayers.METERS_PER_INCH,Kilometer:1E3/OpenLayers.METERS_PER_INCH,Yard:0.9144018288036576/OpenLayers.METERS_PER_INCH,SearsYard:0.914398414616029/OpenLayers.METERS_PER_INCH,IndianYard:0.9143985307444408/OpenLayers.METERS_PER_INCH,IndianYd37:0.91439523/OpenLayers.METERS_PER_INCH,IndianYd62:0.9143988/OpenLayers.METERS_PER_INCH,IndianYd75:0.9143985/OpenLayers.METERS_PER_INCH,IndianFoot:0.30479951/OpenLayers.METERS_PER_INCH,IndianFt37:0.30479841/OpenLayers.METERS_PER_INCH,IndianFt62:0.3047996/
OpenLayers.METERS_PER_INCH,IndianFt75:0.3047995/OpenLayers.METERS_PER_INCH,Mile:1609.3472186944373/OpenLayers.METERS_PER_INCH,IYard:0.9144/OpenLayers.METERS_PER_INCH,IMile:1609.344/OpenLayers.METERS_PER_INCH,NautM:1852/OpenLayers.METERS_PER_INCH,"Lat-66":110943.31648893273/OpenLayers.METERS_PER_INCH,"Lat-83":110946.25736872235/OpenLayers.METERS_PER_INCH,Decimeter:0.1/OpenLayers.METERS_PER_INCH,Millimeter:0.001/OpenLayers.METERS_PER_INCH,Dekameter:10/OpenLayers.METERS_PER_INCH,Decameter:10/OpenLayers.METERS_PER_INCH,
Hectometer:100/OpenLayers.METERS_PER_INCH,GermanMeter:1.0000135965/OpenLayers.METERS_PER_INCH,CaGrid:0.999738/OpenLayers.METERS_PER_INCH,ClarkeChain:20.1166194976/OpenLayers.METERS_PER_INCH,GunterChain:20.11684023368047/OpenLayers.METERS_PER_INCH,BenoitChain:20.116782494375872/OpenLayers.METERS_PER_INCH,SearsChain:20.11676512155/OpenLayers.METERS_PER_INCH,ClarkeLink:0.201166194976/OpenLayers.METERS_PER_INCH,GunterLink:0.2011684023368047/OpenLayers.METERS_PER_INCH,BenoitLink:0.20116782494375873/OpenLayers.METERS_PER_INCH,
SearsLink:0.2011676512155/OpenLayers.METERS_PER_INCH,Rod:5.02921005842012/OpenLayers.METERS_PER_INCH,IntnlChain:20.1168/OpenLayers.METERS_PER_INCH,IntnlLink:0.201168/OpenLayers.METERS_PER_INCH,Perch:5.02921005842012/OpenLayers.METERS_PER_INCH,Pole:5.02921005842012/OpenLayers.METERS_PER_INCH,Furlong:201.1684023368046/OpenLayers.METERS_PER_INCH,Rood:3.778266898/OpenLayers.METERS_PER_INCH,CapeFoot:0.3047972615/OpenLayers.METERS_PER_INCH,Brealey:375/OpenLayers.METERS_PER_INCH,ModAmFt:0.304812252984506/
OpenLayers.METERS_PER_INCH,Fathom:1.8288/OpenLayers.METERS_PER_INCH,"NautM-UK":1853.184/OpenLayers.METERS_PER_INCH,"50kilometers":5E4/OpenLayers.METERS_PER_INCH,"150kilometers":15E4/OpenLayers.METERS_PER_INCH});
OpenLayers.Util.extend(OpenLayers.INCHES_PER_UNIT,{mm:OpenLayers.INCHES_PER_UNIT.Meter/1E3,cm:OpenLayers.INCHES_PER_UNIT.Meter/100,dm:100*OpenLayers.INCHES_PER_UNIT.Meter,km:1E3*OpenLayers.INCHES_PER_UNIT.Meter,kmi:OpenLayers.INCHES_PER_UNIT.nmi,fath:OpenLayers.INCHES_PER_UNIT.Fathom,ch:OpenLayers.INCHES_PER_UNIT.IntnlChain,link:OpenLayers.INCHES_PER_UNIT.IntnlLink,"us-in":OpenLayers.INCHES_PER_UNIT.inches,"us-ft":OpenLayers.INCHES_PER_UNIT.Foot,"us-yd":OpenLayers.INCHES_PER_UNIT.Yard,"us-ch":OpenLayers.INCHES_PER_UNIT.GunterChain,
"us-mi":OpenLayers.INCHES_PER_UNIT.Mile,"ind-yd":OpenLayers.INCHES_PER_UNIT.IndianYd37,"ind-ft":OpenLayers.INCHES_PER_UNIT.IndianFt37,"ind-ch":20.11669506/OpenLayers.METERS_PER_INCH});OpenLayers.DOTS_PER_INCH=72;OpenLayers.Util.normalizeScale=function(a){return 1<a?1/a:a};OpenLayers.Util.getResolutionFromScale=function(a,b){var c;a&&(null==b&&(b="degrees"),c=1/(OpenLayers.Util.normalizeScale(a)*OpenLayers.INCHES_PER_UNIT[b]*OpenLayers.DOTS_PER_INCH));return c};
OpenLayers.Util.getScaleFromResolution=function(a,b){null==b&&(b="degrees");return a*OpenLayers.INCHES_PER_UNIT[b]*OpenLayers.DOTS_PER_INCH};
OpenLayers.Util.pagePosition=function(a){var b=[0,0],c=OpenLayers.Util.getViewportElement();if(!a||a==window||a==c)return b;var d=OpenLayers.IS_GECKO&&document.getBoxObjectFor&&"absolute"==OpenLayers.Element.getStyle(a,"position")&&(""==a.style.top||""==a.style.left),e=null;if(a.getBoundingClientRect)a=a.getBoundingClientRect(),e=window.pageYOffset||c.scrollTop,b[0]=a.left+(window.pageXOffset||c.scrollLeft),b[1]=a.top+e;else if(document.getBoxObjectFor&&!d)a=document.getBoxObjectFor(a),c=document.getBoxObjectFor(c),
b[0]=a.screenX-c.screenX,b[1]=a.screenY-c.screenY;else{b[0]=a.offsetLeft;b[1]=a.offsetTop;e=a.offsetParent;if(e!=a)for(;e;)b[0]+=e.offsetLeft,b[1]+=e.offsetTop,e=e.offsetParent;c=OpenLayers.BROWSER_NAME;if("opera"==c||"safari"==c&&"absolute"==OpenLayers.Element.getStyle(a,"position"))b[1]-=document.body.offsetTop;for(e=a.offsetParent;e&&e!=document.body;){b[0]-=e.scrollLeft;if("opera"!=c||"TR"!=e.tagName)b[1]-=e.scrollTop;e=e.offsetParent}}return b};
OpenLayers.Util.getViewportElement=function(){var a=arguments.callee.viewportElement;void 0==a&&(a="msie"==OpenLayers.BROWSER_NAME&&"CSS1Compat"!=document.compatMode?document.body:document.documentElement,arguments.callee.viewportElement=a);return a};
OpenLayers.Util.isEquivalentUrl=function(a,b,c){c=c||{};OpenLayers.Util.applyDefaults(c,{ignoreCase:!0,ignorePort80:!0,ignoreHash:!0,splitArgs:!1});a=OpenLayers.Util.createUrlObject(a,c);b=OpenLayers.Util.createUrlObject(b,c);for(var d in a)if("args"!==d&&a[d]!=b[d])return!1;for(d in a.args){if(a.args[d]!=b.args[d])return!1;delete b.args[d]}for(d in b.args)return!1;return!0};
OpenLayers.Util.createUrlObject=function(a,b){b=b||{};if(!/^\w+:\/\//.test(a)){var c=window.location,d=c.port?":"+c.port:"",d=c.protocol+"//"+c.host.split(":").shift()+d;0===a.indexOf("/")?a=d+a:(c=c.pathname.split("/"),c.pop(),a=d+c.join("/")+"/"+a)}b.ignoreCase&&(a=a.toLowerCase());c=document.createElement("a");c.href=a;d={};d.host=c.host.split(":").shift();d.protocol=c.protocol;d.port=b.ignorePort80?"80"==c.port||"0"==c.port?"":c.port:""==c.port||"0"==c.port?"80":c.port;d.hash=b.ignoreHash||"#"===
c.hash?"":c.hash;var e=c.search;e||(e=a.indexOf("?"),e=-1!=e?a.substr(e):"");d.args=OpenLayers.Util.getParameters(e,{splitArgs:b.splitArgs});d.pathname="/"==c.pathname.charAt(0)?c.pathname:"/"+c.pathname;return d};OpenLayers.Util.removeTail=function(a){var b=null,b=a.indexOf("?"),c=a.indexOf("#");return b=-1==b?-1!=c?a.substr(0,c):a:-1!=c?a.substr(0,Math.min(b,c)):a.substr(0,b)};OpenLayers.IS_GECKO=function(){var a=navigator.userAgent.toLowerCase();return-1==a.indexOf("webkit")&&-1!=a.indexOf("gecko")}();
OpenLayers.CANVAS_SUPPORTED=function(){var a=document.createElement("canvas");return!(!a.getContext||!a.getContext("2d"))}();OpenLayers.BROWSER_NAME=function(){var a="",b=navigator.userAgent.toLowerCase();-1!=b.indexOf("opera")?a="opera":-1!=b.indexOf("msie")?a="msie":-1!=b.indexOf("safari")?a="safari":-1!=b.indexOf("mozilla")&&(a=-1!=b.indexOf("firefox")?"firefox":"mozilla");return a}();OpenLayers.Util.getBrowserName=function(){return OpenLayers.BROWSER_NAME};
OpenLayers.Util.getRenderedDimensions=function(a,b,c){var d,e,f=document.createElement("div");f.style.visibility="hidden";for(var g=c&&c.containerElement?c.containerElement:document.body,h=!1,k=null,l=g;l&&"body"!=l.tagName.toLowerCase();){var m=OpenLayers.Element.getStyle(l,"position");if("absolute"==m){h=!0;break}else if(m&&"static"!=m)break;l=l.parentNode}!h||0!==g.clientHeight&&0!==g.clientWidth||(k=document.createElement("div"),k.style.visibility="hidden",k.style.position="absolute",k.style.overflow=
"visible",k.style.width=document.body.clientWidth+"px",k.style.height=document.body.clientHeight+"px",k.appendChild(f));f.style.position="absolute";b&&(b.w?(d=b.w,f.style.width=d+"px"):b.h&&(e=b.h,f.style.height=e+"px"));c&&c.displayClass&&(f.className=c.displayClass);b=document.createElement("div");b.innerHTML=a;b.style.overflow="visible";if(b.childNodes)for(a=0,c=b.childNodes.length;a<c;a++)b.childNodes[a].style&&(b.childNodes[a].style.overflow="visible");f.appendChild(b);k?g.appendChild(k):g.appendChild(f);
d||(d=parseInt(b.scrollWidth),f.style.width=d+"px");e||(e=parseInt(b.scrollHeight));f.removeChild(b);k?(k.removeChild(f),g.removeChild(k)):g.removeChild(f);return new OpenLayers.Size(d,e)};
OpenLayers.Util.getScrollbarWidth=function(){var a=OpenLayers.Util._scrollbarWidth;if(null==a){var b=null,c=null,b=a=0,b=document.createElement("div");b.style.position="absolute";b.style.top="-1000px";b.style.left="-1000px";b.style.width="100px";b.style.height="50px";b.style.overflow="hidden";c=document.createElement("div");c.style.width="100%";c.style.height="200px";b.appendChild(c);document.body.appendChild(b);a=c.offsetWidth;b.style.overflow="scroll";b=c.offsetWidth;document.body.removeChild(document.body.lastChild);
OpenLayers.Util._scrollbarWidth=a-b;a=OpenLayers.Util._scrollbarWidth}return a};
OpenLayers.Util.getFormattedLonLat=function(a,b,c){c||(c="dms");a=(a+540)%360-180;var d=Math.abs(a),e=Math.floor(d),f=d=(d-e)/(1/60),d=Math.floor(d),f=Math.round(10*((f-d)/(1/60))),f=f/10;60<=f&&(f-=60,d+=1,60<=d&&(d-=60,e+=1));10>e&&(e="0"+e);e+="\u00b0";0<=c.indexOf("dm")&&(10>d&&(d="0"+d),e+=d+"'",0<=c.indexOf("dms")&&(10>f&&(f="0"+f),e+=f+'"'));return e="lon"==b?e+(0>a?OpenLayers.i18n("W"):OpenLayers.i18n("E")):e+(0>a?OpenLayers.i18n("S"):OpenLayers.i18n("N"))};OpenLayers.Format=OpenLayers.Class({options:null,externalProjection:null,internalProjection:null,data:null,keepData:!1,initialize:function(a){OpenLayers.Util.extend(this,a);this.options=a},destroy:function(){},read:function(a){throw Error("Read not implemented.");},write:function(a){throw Error("Write not implemented.");},CLASS_NAME:"OpenLayers.Format"});OpenLayers.Format.CSWGetRecords=function(a){a=OpenLayers.Util.applyDefaults(a,OpenLayers.Format.CSWGetRecords.DEFAULTS);var b=OpenLayers.Format.CSWGetRecords["v"+a.version.replace(/\./g,"_")];if(!b)throw"Unsupported CSWGetRecords version: "+a.version;return new b(a)};OpenLayers.Format.CSWGetRecords.DEFAULTS={version:"2.0.2"};OpenLayers.Control=OpenLayers.Class({id:null,map:null,div:null,type:null,allowSelection:!1,displayClass:"",title:"",autoActivate:!1,active:null,handlerOptions:null,handler:null,eventListeners:null,events:null,initialize:function(a){this.displayClass=this.CLASS_NAME.replace("OpenLayers.","ol").replace(/\./g,"");OpenLayers.Util.extend(this,a);this.events=new OpenLayers.Events(this);if(this.eventListeners instanceof Object)this.events.on(this.eventListeners);null==this.id&&(this.id=OpenLayers.Util.createUniqueID(this.CLASS_NAME+
"_"))},destroy:function(){this.events&&(this.eventListeners&&this.events.un(this.eventListeners),this.events.destroy(),this.events=null);this.eventListeners=null;this.handler&&(this.handler.destroy(),this.handler=null);if(this.handlers){for(var a in this.handlers)this.handlers.hasOwnProperty(a)&&"function"==typeof this.handlers[a].destroy&&this.handlers[a].destroy();this.handlers=null}this.map&&(this.map.removeControl(this),this.map=null);this.div=null},setMap:function(a){this.map=a;this.handler&&
this.handler.setMap(a)},draw:function(a){null==this.div&&(this.div=OpenLayers.Util.createDiv(this.id),this.div.className=this.displayClass,this.allowSelection||(this.div.className+=" olControlNoSelect",this.div.setAttribute("unselectable","on",0),this.div.onselectstart=OpenLayers.Function.False),""!=this.title&&(this.div.title=this.title));null!=a&&(this.position=a.clone());this.moveTo(this.position);return this.div},moveTo:function(a){null!=a&&null!=this.div&&(this.div.style.left=a.x+"px",this.div.style.top=
a.y+"px")},activate:function(){if(this.active)return!1;this.handler&&this.handler.activate();this.active=!0;this.map&&OpenLayers.Element.addClass(this.map.viewPortDiv,this.displayClass.replace(/ /g,"")+"Active");this.events.triggerEvent("activate");return!0},deactivate:function(){return this.active?(this.handler&&this.handler.deactivate(),this.active=!1,this.map&&OpenLayers.Element.removeClass(this.map.viewPortDiv,this.displayClass.replace(/ /g,"")+"Active"),this.events.triggerEvent("deactivate"),
!0):!1},CLASS_NAME:"OpenLayers.Control"});OpenLayers.Control.TYPE_BUTTON=1;OpenLayers.Control.TYPE_TOGGLE=2;OpenLayers.Control.TYPE_TOOL=3;OpenLayers.Event={observers:!1,KEY_SPACE:32,KEY_BACKSPACE:8,KEY_TAB:9,KEY_RETURN:13,KEY_ESC:27,KEY_LEFT:37,KEY_UP:38,KEY_RIGHT:39,KEY_DOWN:40,KEY_DELETE:46,element:function(a){return a.target||a.srcElement},isSingleTouch:function(a){return a.touches&&1==a.touches.length},isMultiTouch:function(a){return a.touches&&1<a.touches.length},isLeftClick:function(a){return a.which&&1==a.which||a.button&&1==a.button},isRightClick:function(a){return a.which&&3==a.which||a.button&&2==a.button},stop:function(a,
b){b||OpenLayers.Event.preventDefault(a);a.stopPropagation?a.stopPropagation():a.cancelBubble=!0},preventDefault:function(a){a.preventDefault?a.preventDefault():a.returnValue=!1},findElement:function(a,b){for(var c=OpenLayers.Event.element(a);c.parentNode&&(!c.tagName||c.tagName.toUpperCase()!=b.toUpperCase());)c=c.parentNode;return c},observe:function(a,b,c,d){a=OpenLayers.Util.getElement(a);d=d||!1;"keypress"==b&&(navigator.appVersion.match(/Konqueror|Safari|KHTML/)||a.attachEvent)&&(b="keydown");
this.observers||(this.observers={});if(!a._eventCacheID){var e="eventCacheID_";a.id&&(e=a.id+"_"+e);a._eventCacheID=OpenLayers.Util.createUniqueID(e)}e=a._eventCacheID;this.observers[e]||(this.observers[e]=[]);this.observers[e].push({element:a,name:b,observer:c,useCapture:d});a.addEventListener?a.addEventListener(b,c,d):a.attachEvent&&a.attachEvent("on"+b,c)},stopObservingElement:function(a){a=OpenLayers.Util.getElement(a)._eventCacheID;this._removeElementObservers(OpenLayers.Event.observers[a])},
_removeElementObservers:function(a){if(a)for(var b=a.length-1;0<=b;b--){var c=a[b];OpenLayers.Event.stopObserving.apply(this,[c.element,c.name,c.observer,c.useCapture])}},stopObserving:function(a,b,c,d){d=d||!1;a=OpenLayers.Util.getElement(a);var e=a._eventCacheID;"keypress"==b&&(navigator.appVersion.match(/Konqueror|Safari|KHTML/)||a.detachEvent)&&(b="keydown");var f=!1,g=OpenLayers.Event.observers[e];if(g)for(var h=0;!f&&h<g.length;){var k=g[h];if(k.name==b&&k.observer==c&&k.useCapture==d){g.splice(h,
1);0==g.length&&delete OpenLayers.Event.observers[e];f=!0;break}h++}f&&(a.removeEventListener?a.removeEventListener(b,c,d):a&&a.detachEvent&&a.detachEvent("on"+b,c));return f},unloadCache:function(){if(OpenLayers.Event&&OpenLayers.Event.observers){for(var a in OpenLayers.Event.observers)OpenLayers.Event._removeElementObservers.apply(this,[OpenLayers.Event.observers[a]]);OpenLayers.Event.observers=!1}},CLASS_NAME:"OpenLayers.Event"};
OpenLayers.Event.observe(window,"unload",OpenLayers.Event.unloadCache,!1);
OpenLayers.Events=OpenLayers.Class({BROWSER_EVENTS:"mouseover mouseout mousedown mouseup mousemove click dblclick rightclick dblrightclick resize focus blur touchstart touchmove touchend keydown".split(" "),listeners:null,object:null,element:null,eventHandler:null,fallThrough:null,includeXY:!1,extensions:null,extensionCount:null,clearMouseListener:null,initialize:function(a,b,c,d,e){OpenLayers.Util.extend(this,e);this.object=a;this.fallThrough=d;this.listeners={};this.extensions={};this.extensionCount=
{};this._msTouches=[];null!=b&&this.attachToElement(b)},destroy:function(){for(var a in this.extensions)"boolean"!==typeof this.extensions[a]&&this.extensions[a].destroy();this.extensions=null;this.element&&(OpenLayers.Event.stopObservingElement(this.element),this.element.hasScrollEvent&&OpenLayers.Event.stopObserving(window,"scroll",this.clearMouseListener));this.eventHandler=this.fallThrough=this.object=this.listeners=this.element=null},addEventType:function(a){},attachToElement:function(a){this.element?
OpenLayers.Event.stopObservingElement(this.element):(this.eventHandler=OpenLayers.Function.bindAsEventListener(this.handleBrowserEvent,this),this.clearMouseListener=OpenLayers.Function.bind(this.clearMouseCache,this));this.element=a;for(var b=!!window.navigator.msMaxTouchPoints,c,d=0,e=this.BROWSER_EVENTS.length;d<e;d++)c=this.BROWSER_EVENTS[d],OpenLayers.Event.observe(a,c,this.eventHandler),b&&0===c.indexOf("touch")&&this.addMsTouchListener(a,c,this.eventHandler);OpenLayers.Event.observe(a,"dragstart",
OpenLayers.Event.stop)},on:function(a){for(var b in a)"scope"!=b&&a.hasOwnProperty(b)&&this.register(b,a.scope,a[b])},register:function(a,b,c,d){a in OpenLayers.Events&&!this.extensions[a]&&(this.extensions[a]=new OpenLayers.Events[a](this));if(null!=c){null==b&&(b=this.object);var e=this.listeners[a];e||(e=[],this.listeners[a]=e,this.extensionCount[a]=0);b={obj:b,func:c};d?(e.splice(this.extensionCount[a],0,b),"object"===typeof d&&d.extension&&this.extensionCount[a]++):e.push(b)}},registerPriority:function(a,
b,c){this.register(a,b,c,!0)},un:function(a){for(var b in a)"scope"!=b&&a.hasOwnProperty(b)&&this.unregister(b,a.scope,a[b])},unregister:function(a,b,c){null==b&&(b=this.object);a=this.listeners[a];if(null!=a)for(var d=0,e=a.length;d<e;d++)if(a[d].obj==b&&a[d].func==c){a.splice(d,1);break}},remove:function(a){null!=this.listeners[a]&&(this.listeners[a]=[])},triggerEvent:function(a,b){var c=this.listeners[a];if(c&&0!=c.length){null==b&&(b={});b.object=this.object;b.element=this.element;b.type||(b.type=
a);for(var c=c.slice(),d,e=0,f=c.length;e<f&&(d=c[e],d=d.func.apply(d.obj,[b]),void 0==d||!1!=d);e++);this.fallThrough||OpenLayers.Event.stop(b,!0);return d}},handleBrowserEvent:function(a){var b=a.type,c=this.listeners[b];if(c&&0!=c.length){if((c=a.touches)&&c[0]){for(var d=0,e=0,f=c.length,g,h=0;h<f;++h)g=this.getTouchClientXY(c[h]),d+=g.clientX,e+=g.clientY;a.clientX=d/f;a.clientY=e/f}this.includeXY&&(a.xy=this.getMousePosition(a));this.triggerEvent(b,a)}},getTouchClientXY:function(a){var b=window.olMockWin||
window,c=b.pageXOffset,b=b.pageYOffset,d=a.clientX,e=a.clientY;if(0===a.pageY&&Math.floor(e)>Math.floor(a.pageY)||0===a.pageX&&Math.floor(d)>Math.floor(a.pageX))d-=c,e-=b;else if(e<a.pageY-b||d<a.pageX-c)d=a.pageX-c,e=a.pageY-b;a.olClientX=d;a.olClientY=e;return{clientX:d,clientY:e}},clearMouseCache:function(){this.element.scrolls=null;this.element.lefttop=null;this.element.offsets=null},getMousePosition:function(a){this.includeXY?this.element.hasScrollEvent||(OpenLayers.Event.observe(window,"scroll",
this.clearMouseListener),this.element.hasScrollEvent=!0):this.clearMouseCache();if(!this.element.scrolls){var b=OpenLayers.Util.getViewportElement();this.element.scrolls=[window.pageXOffset||b.scrollLeft,window.pageYOffset||b.scrollTop]}this.element.lefttop||(this.element.lefttop=[document.documentElement.clientLeft||0,document.documentElement.clientTop||0]);this.element.offsets||(this.element.offsets=OpenLayers.Util.pagePosition(this.element));return new OpenLayers.Pixel(a.clientX+this.element.scrolls[0]-
this.element.offsets[0]-this.element.lefttop[0],a.clientY+this.element.scrolls[1]-this.element.offsets[1]-this.element.lefttop[1])},addMsTouchListener:function(a,b,c){function d(a){c(OpenLayers.Util.applyDefaults({stopPropagation:function(){for(var a=e.length-1;0<=a;--a)e[a].stopPropagation()},preventDefault:function(){for(var a=e.length-1;0<=a;--a)e[a].preventDefault()},type:b},a))}var e=this._msTouches;switch(b){case "touchstart":return this.addMsTouchListenerStart(a,b,d);case "touchend":return this.addMsTouchListenerEnd(a,
b,d);case "touchmove":return this.addMsTouchListenerMove(a,b,d);default:throw"Unknown touch event type";}},addMsTouchListenerStart:function(a,b,c){var d=this._msTouches;OpenLayers.Event.observe(a,"MSPointerDown",function(a){for(var b=!1,g=0,h=d.length;g<h;++g)if(d[g].pointerId==a.pointerId){b=!0;break}b||d.push(a);a.touches=d.slice();c(a)});OpenLayers.Event.observe(a,"MSPointerUp",function(a){for(var b=0,c=d.length;b<c;++b)if(d[b].pointerId==a.pointerId){d.splice(b,1);break}})},addMsTouchListenerMove:function(a,
b,c){var d=this._msTouches;OpenLayers.Event.observe(a,"MSPointerMove",function(a){if(a.pointerType!=a.MSPOINTER_TYPE_MOUSE||0!=a.buttons)if(1!=d.length||d[0].pageX!=a.pageX||d[0].pageY!=a.pageY){for(var b=0,g=d.length;b<g;++b)if(d[b].pointerId==a.pointerId){d[b]=a;break}a.touches=d.slice();c(a)}})},addMsTouchListenerEnd:function(a,b,c){var d=this._msTouches;OpenLayers.Event.observe(a,"MSPointerUp",function(a){for(var b=0,g=d.length;b<g;++b)if(d[b].pointerId==a.pointerId){d.splice(b,1);break}a.touches=
d.slice();c(a)})},CLASS_NAME:"OpenLayers.Events"});OpenLayers.Events.buttonclick=OpenLayers.Class({target:null,events:"mousedown mouseup click dblclick touchstart touchmove touchend keydown".split(" "),startRegEx:/^mousedown|touchstart$/,cancelRegEx:/^touchmove$/,completeRegEx:/^mouseup|touchend$/,initialize:function(a){this.target=a;for(a=this.events.length-1;0<=a;--a)this.target.register(this.events[a],this,this.buttonClick,{extension:!0})},destroy:function(){for(var a=this.events.length-1;0<=a;--a)this.target.unregister(this.events[a],this,this.buttonClick);
delete this.target},getPressedButton:function(a){var b=3,c;do{if(OpenLayers.Element.hasClass(a,"olButton")){c=a;break}a=a.parentNode}while(0<--b&&a);return c},ignore:function(a){var b=3,c=!1;do{if("a"===a.nodeName.toLowerCase()){c=!0;break}a=a.parentNode}while(0<--b&&a);return c},buttonClick:function(a){var b=!0,c=OpenLayers.Event.element(a);if(c&&(OpenLayers.Event.isLeftClick(a)||!~a.type.indexOf("mouse")))if(c=this.getPressedButton(c)){if("keydown"===a.type)switch(a.keyCode){case OpenLayers.Event.KEY_RETURN:case OpenLayers.Event.KEY_SPACE:this.target.triggerEvent("buttonclick",
{buttonElement:c}),OpenLayers.Event.stop(a),b=!1}else if(this.startEvt){if(this.completeRegEx.test(a.type)){var b=OpenLayers.Util.pagePosition(c),d=OpenLayers.Util.getViewportElement(),e=window.pageYOffset||d.scrollTop;b[0]-=window.pageXOffset||d.scrollLeft;b[1]-=e;this.target.triggerEvent("buttonclick",{buttonElement:c,buttonXY:{x:this.startEvt.clientX-b[0],y:this.startEvt.clientY-b[1]}})}this.cancelRegEx.test(a.type)&&delete this.startEvt;OpenLayers.Event.stop(a);b=!1}this.startRegEx.test(a.type)&&
(this.startEvt=a,OpenLayers.Event.stop(a),b=!1)}else b=!this.ignore(OpenLayers.Event.element(a)),delete this.startEvt;return b}});OpenLayers.Util=OpenLayers.Util||{};
OpenLayers.Util.vendorPrefix=function(){function a(a){return a?a.replace(/([A-Z])/g,function(a){return"-"+a.toLowerCase()}).replace(/^ms-/,"-ms-"):null}function b(a,b){if(void 0===g[b]){var c,e=0,f=d.length,p="undefined"!==typeof a.cssText;for(g[b]=null;e<f;e++)if((c=d[e])?(p||(c=c.toLowerCase()),c=c+b.charAt(0).toUpperCase()+b.slice(1)):c=b,void 0!==a[c]){g[b]=c;break}}return g[b]}function c(a){return b(e,a)}var d=["","O","ms","Moz","Webkit"],e=document.createElement("div").style,f={},g={};return{css:function(b){if(void 0===
f[b]){var d=b.replace(/(-[\s\S])/g,function(a){return a.charAt(1).toUpperCase()}),d=c(d);f[b]=a(d)}return f[b]},js:b,style:c,cssCache:f,jsCache:g}}();OpenLayers.Animation=function(a){var b=OpenLayers.Util.vendorPrefix.js(a,"requestAnimationFrame"),c=!!b,d=function(){var c=a[b]||function(b,c){a.setTimeout(b,16)};return function(b,d){c.apply(a,[b,d])}}(),e=0,f={};return{isNative:c,requestFrame:d,start:function(a,b,c){b=0<b?b:Number.POSITIVE_INFINITY;var l=++e,m=+new Date;f[l]=function(){f[l]&&+new Date-m<=b?(a(),f[l]&&d(f[l],c)):delete f[l]};d(f[l],c);return l},stop:function(a){delete f[a]}}}(window);OpenLayers.Tween=OpenLayers.Class({easing:null,begin:null,finish:null,duration:null,callbacks:null,time:null,minFrameRate:null,startTime:null,animationId:null,playing:!1,initialize:function(a){this.easing=a?a:OpenLayers.Easing.Expo.easeOut},start:function(a,b,c,d){this.playing=!0;this.begin=a;this.finish=b;this.duration=c;this.callbacks=d.callbacks;this.minFrameRate=d.minFrameRate||30;this.time=0;this.startTime=(new Date).getTime();OpenLayers.Animation.stop(this.animationId);this.animationId=null;
this.callbacks&&this.callbacks.start&&this.callbacks.start.call(this,this.begin);this.animationId=OpenLayers.Animation.start(OpenLayers.Function.bind(this.play,this))},stop:function(){this.playing&&(this.callbacks&&this.callbacks.done&&this.callbacks.done.call(this,this.finish),OpenLayers.Animation.stop(this.animationId),this.animationId=null,this.playing=!1)},play:function(){var a={},b;for(b in this.begin){var c=this.begin[b],d=this.finish[b];if(null==c||null==d||isNaN(c)||isNaN(d))throw new TypeError("invalid value for Tween");
a[b]=this.easing.apply(this,[this.time,c,d-c,this.duration])}this.time++;this.callbacks&&this.callbacks.eachStep&&((new Date).getTime()-this.startTime)/this.time<=1E3/this.minFrameRate&&this.callbacks.eachStep.call(this,a);this.time>this.duration&&this.stop()},CLASS_NAME:"OpenLayers.Tween"});OpenLayers.Easing={CLASS_NAME:"OpenLayers.Easing"};OpenLayers.Easing.Linear={easeIn:function(a,b,c,d){return c*a/d+b},easeOut:function(a,b,c,d){return c*a/d+b},easeInOut:function(a,b,c,d){return c*a/d+b},CLASS_NAME:"OpenLayers.Easing.Linear"};
OpenLayers.Easing.Expo={easeIn:function(a,b,c,d){return 0==a?b:c*Math.pow(2,10*(a/d-1))+b},easeOut:function(a,b,c,d){return a==d?b+c:c*(-Math.pow(2,-10*a/d)+1)+b},easeInOut:function(a,b,c,d){return 0==a?b:a==d?b+c:1>(a/=d/2)?c/2*Math.pow(2,10*(a-1))+b:c/2*(-Math.pow(2,-10*--a)+2)+b},CLASS_NAME:"OpenLayers.Easing.Expo"};
OpenLayers.Easing.Quad={easeIn:function(a,b,c,d){return c*(a/=d)*a+b},easeOut:function(a,b,c,d){return-c*(a/=d)*(a-2)+b},easeInOut:function(a,b,c,d){return 1>(a/=d/2)?c/2*a*a+b:-c/2*(--a*(a-2)-1)+b},CLASS_NAME:"OpenLayers.Easing.Quad"};OpenLayers.Projection=OpenLayers.Class({proj:null,projCode:null,titleRegEx:/\+title=[^\+]*/,initialize:function(a,b){OpenLayers.Util.extend(this,b);this.projCode=a;"object"==typeof Proj4js&&(this.proj=new Proj4js.Proj(a))},getCode:function(){return this.proj?this.proj.srsCode:this.projCode},getUnits:function(){return this.proj?this.proj.units:null},toString:function(){return this.getCode()},equals:function(a){var b=!1;a&&(a instanceof OpenLayers.Projection||(a=new OpenLayers.Projection(a)),"object"==
typeof Proj4js&&this.proj.defData&&a.proj.defData?b=this.proj.defData.replace(this.titleRegEx,"")==a.proj.defData.replace(this.titleRegEx,""):a.getCode&&(b=this.getCode(),a=a.getCode(),b=b==a||!!OpenLayers.Projection.transforms[b]&&OpenLayers.Projection.transforms[b][a]===OpenLayers.Projection.nullTransform));return b},destroy:function(){delete this.proj;delete this.projCode},CLASS_NAME:"OpenLayers.Projection"});OpenLayers.Projection.transforms={};
OpenLayers.Projection.defaults={"EPSG:4326":{units:"degrees",maxExtent:[-180,-90,180,90],yx:!0},"CRS:84":{units:"degrees",maxExtent:[-180,-90,180,90]},"EPSG:900913":{units:"m",maxExtent:[-2.003750834E7,-2.003750834E7,2.003750834E7,2.003750834E7]}};
OpenLayers.Projection.addTransform=function(a,b,c){if(c===OpenLayers.Projection.nullTransform){var d=OpenLayers.Projection.defaults[a];d&&!OpenLayers.Projection.defaults[b]&&(OpenLayers.Projection.defaults[b]=d)}OpenLayers.Projection.transforms[a]||(OpenLayers.Projection.transforms[a]={});OpenLayers.Projection.transforms[a][b]=c};
OpenLayers.Projection.transform=function(a,b,c){if(b&&c)if(b instanceof OpenLayers.Projection||(b=new OpenLayers.Projection(b)),c instanceof OpenLayers.Projection||(c=new OpenLayers.Projection(c)),b.proj&&c.proj)a=Proj4js.transform(b.proj,c.proj,a);else{b=b.getCode();c=c.getCode();var d=OpenLayers.Projection.transforms;if(d[b]&&d[b][c])d[b][c](a)}return a};OpenLayers.Projection.nullTransform=function(a){return a};
(function(){function a(a){a.x=180*a.x/d;a.y=180/Math.PI*(2*Math.atan(Math.exp(a.y/d*Math.PI))-Math.PI/2);return a}function b(a){a.x=a.x*d/180;var b=Math.log(Math.tan((90+a.y)*Math.PI/360))/Math.PI*d;a.y=Math.max(-2.003750834E7,Math.min(b,2.003750834E7));return a}function c(c,d){var e=OpenLayers.Projection.addTransform,f=OpenLayers.Projection.nullTransform,g,p,q,r,s;g=0;for(p=d.length;g<p;++g)for(q=d[g],e(c,q,b),e(q,c,a),s=g+1;s<p;++s)r=d[s],e(q,r,f),e(r,q,f)}var d=2.003750834E7,e=["EPSG:900913","EPSG:3857",
"EPSG:102113","EPSG:102100"],f=["CRS:84","urn:ogc:def:crs:EPSG:6.6:4326","EPSG:4326"],g;for(g=e.length-1;0<=g;--g)c(e[g],f);for(g=f.length-1;0<=g;--g)c(f[g],e)})();OpenLayers.Map=OpenLayers.Class({Z_INDEX_BASE:{BaseLayer:100,Overlay:325,Feature:725,Popup:750,Control:1E3},id:null,fractionalZoom:!1,events:null,allOverlays:!1,div:null,dragging:!1,size:null,viewPortDiv:null,layerContainerOrigin:null,layerContainerDiv:null,layers:null,controls:null,popups:null,baseLayer:null,center:null,resolution:null,zoom:0,panRatio:1.5,options:null,tileSize:null,projection:"EPSG:4326",units:null,resolutions:null,maxResolution:null,minResolution:null,maxScale:null,minScale:null,
maxExtent:null,minExtent:null,restrictedExtent:null,numZoomLevels:16,theme:null,displayProjection:null,fallThrough:!1,autoUpdateSize:!0,eventListeners:null,panTween:null,panMethod:OpenLayers.Easing.Expo.easeOut,panDuration:50,zoomTween:null,zoomMethod:OpenLayers.Easing.Quad.easeOut,zoomDuration:20,paddingForPopups:null,layerContainerOriginPx:null,minPx:null,maxPx:null,initialize:function(a,b){1===arguments.length&&"object"===typeof a&&(a=(b=a)&&b.div);this.tileSize=new OpenLayers.Size(OpenLayers.Map.TILE_WIDTH,
OpenLayers.Map.TILE_HEIGHT);this.paddingForPopups=new OpenLayers.Bounds(15,15,15,15);this.theme=OpenLayers._getScriptLocation()+"theme/default/style.css";this.options=OpenLayers.Util.extend({},b);OpenLayers.Util.extend(this,b);OpenLayers.Util.applyDefaults(this,OpenLayers.Projection.defaults[this.projection instanceof OpenLayers.Projection?this.projection.projCode:this.projection]);!this.maxExtent||this.maxExtent instanceof OpenLayers.Bounds||(this.maxExtent=new OpenLayers.Bounds(this.maxExtent));
!this.minExtent||this.minExtent instanceof OpenLayers.Bounds||(this.minExtent=new OpenLayers.Bounds(this.minExtent));!this.restrictedExtent||this.restrictedExtent instanceof OpenLayers.Bounds||(this.restrictedExtent=new OpenLayers.Bounds(this.restrictedExtent));!this.center||this.center instanceof OpenLayers.LonLat||(this.center=new OpenLayers.LonLat(this.center));this.layers=[];this.id=OpenLayers.Util.createUniqueID("OpenLayers.Map_");this.div=OpenLayers.Util.getElement(a);this.div||(this.div=document.createElement("div"),
this.div.style.height="1px",this.div.style.width="1px");OpenLayers.Element.addClass(this.div,"olMap");var c=this.id+"_OpenLayers_ViewPort";this.viewPortDiv=OpenLayers.Util.createDiv(c,null,null,null,"relative",null,"hidden");this.viewPortDiv.style.width="100%";this.viewPortDiv.style.height="100%";this.viewPortDiv.className="olMapViewport";this.div.appendChild(this.viewPortDiv);this.events=new OpenLayers.Events(this,this.viewPortDiv,null,this.fallThrough,{includeXY:!0});OpenLayers.TileManager&&null!==
this.tileManager&&(this.tileManager instanceof OpenLayers.TileManager||(this.tileManager=new OpenLayers.TileManager(this.tileManager)),this.tileManager.addMap(this));c=this.id+"_OpenLayers_Container";this.layerContainerDiv=OpenLayers.Util.createDiv(c);this.layerContainerDiv.style.zIndex=this.Z_INDEX_BASE.Popup-1;this.layerContainerOriginPx={x:0,y:0};this.applyTransform();this.viewPortDiv.appendChild(this.layerContainerDiv);this.updateSize();if(this.eventListeners instanceof Object)this.events.on(this.eventListeners);
!0===this.autoUpdateSize&&(this.updateSizeDestroy=OpenLayers.Function.bind(this.updateSize,this),OpenLayers.Event.observe(window,"resize",this.updateSizeDestroy));if(this.theme){for(var c=!0,d=document.getElementsByTagName("link"),e=0,f=d.length;e<f;++e)if(OpenLayers.Util.isEquivalentUrl(d.item(e).href,this.theme)){c=!1;break}c&&(c=document.createElement("link"),c.setAttribute("rel","stylesheet"),c.setAttribute("type","text/css"),c.setAttribute("href",this.theme),document.getElementsByTagName("head")[0].appendChild(c))}null==
this.controls&&(this.controls=[],null!=OpenLayers.Control&&(OpenLayers.Control.Navigation?this.controls.push(new OpenLayers.Control.Navigation):OpenLayers.Control.TouchNavigation&&this.controls.push(new OpenLayers.Control.TouchNavigation),OpenLayers.Control.Zoom?this.controls.push(new OpenLayers.Control.Zoom):OpenLayers.Control.PanZoom&&this.controls.push(new OpenLayers.Control.PanZoom),OpenLayers.Control.ArgParser&&this.controls.push(new OpenLayers.Control.ArgParser),OpenLayers.Control.Attribution&&
this.controls.push(new OpenLayers.Control.Attribution)));e=0;for(f=this.controls.length;e<f;e++)this.addControlToMap(this.controls[e]);this.popups=[];this.unloadDestroy=OpenLayers.Function.bind(this.destroy,this);OpenLayers.Event.observe(window,"unload",this.unloadDestroy);b&&b.layers&&(delete this.center,delete this.zoom,this.addLayers(b.layers),b.center&&!this.getCenter()&&this.setCenter(b.center,b.zoom));this.panMethod&&(this.panTween=new OpenLayers.Tween(this.panMethod));this.zoomMethod&&this.applyTransform.transform&&
(this.zoomTween=new OpenLayers.Tween(this.zoomMethod))},getViewport:function(){return this.viewPortDiv},render:function(a){this.div=OpenLayers.Util.getElement(a);OpenLayers.Element.addClass(this.div,"olMap");this.viewPortDiv.parentNode.removeChild(this.viewPortDiv);this.div.appendChild(this.viewPortDiv);this.updateSize()},unloadDestroy:null,updateSizeDestroy:null,destroy:function(){if(!this.unloadDestroy)return!1;this.panTween&&(this.panTween.stop(),this.panTween=null);this.zoomTween&&(this.zoomTween.stop(),
this.zoomTween=null);OpenLayers.Event.stopObserving(window,"unload",this.unloadDestroy);this.unloadDestroy=null;this.updateSizeDestroy&&OpenLayers.Event.stopObserving(window,"resize",this.updateSizeDestroy);this.paddingForPopups=null;if(null!=this.controls){for(var a=this.controls.length-1;0<=a;--a)this.controls[a].destroy();this.controls=null}if(null!=this.layers){for(a=this.layers.length-1;0<=a;--a)this.layers[a].destroy(!1);this.layers=null}this.viewPortDiv&&this.viewPortDiv.parentNode&&this.viewPortDiv.parentNode.removeChild(this.viewPortDiv);
this.viewPortDiv=null;this.tileManager&&(this.tileManager.removeMap(this),this.tileManager=null);this.eventListeners&&(this.events.un(this.eventListeners),this.eventListeners=null);this.events.destroy();this.options=this.events=null},setOptions:function(a){var b=this.minPx&&a.restrictedExtent!=this.restrictedExtent;OpenLayers.Util.extend(this,a);b&&this.moveTo(this.getCachedCenter(),this.zoom,{forceZoomChange:!0})},getTileSize:function(){return this.tileSize},getBy:function(a,b,c){var d="function"==
typeof c.test;return OpenLayers.Array.filter(this[a],function(a){return a[b]==c||d&&c.test(a[b])})},getLayersBy:function(a,b){return this.getBy("layers",a,b)},getLayersByName:function(a){return this.getLayersBy("name",a)},getLayersByClass:function(a){return this.getLayersBy("CLASS_NAME",a)},getControlsBy:function(a,b){return this.getBy("controls",a,b)},getControlsByClass:function(a){return this.getControlsBy("CLASS_NAME",a)},getLayer:function(a){for(var b=null,c=0,d=this.layers.length;c<d;c++){var e=
this.layers[c];if(e.id==a){b=e;break}}return b},setLayerZIndex:function(a,b){a.setZIndex(this.Z_INDEX_BASE[a.isBaseLayer?"BaseLayer":"Overlay"]+5*b)},resetLayersZIndex:function(){for(var a=0,b=this.layers.length;a<b;a++)this.setLayerZIndex(this.layers[a],a)},addLayer:function(a){for(var b=0,c=this.layers.length;b<c;b++)if(this.layers[b]==a)return!1;if(!1===this.events.triggerEvent("preaddlayer",{layer:a}))return!1;this.allOverlays&&(a.isBaseLayer=!1);a.div.className="olLayerDiv";a.div.style.overflow=
"";this.setLayerZIndex(a,this.layers.length);a.isFixed?this.viewPortDiv.appendChild(a.div):this.layerContainerDiv.appendChild(a.div);this.layers.push(a);a.setMap(this);a.isBaseLayer||this.allOverlays&&!this.baseLayer?null==this.baseLayer?this.setBaseLayer(a):a.setVisibility(!1):a.redraw();this.events.triggerEvent("addlayer",{layer:a});a.events.triggerEvent("added",{map:this,layer:a});a.afterAdd();return!0},addLayers:function(a){for(var b=0,c=a.length;b<c;b++)this.addLayer(a[b])},removeLayer:function(a,
b){if(!1!==this.events.triggerEvent("preremovelayer",{layer:a})){null==b&&(b=!0);a.isFixed?this.viewPortDiv.removeChild(a.div):this.layerContainerDiv.removeChild(a.div);OpenLayers.Util.removeItem(this.layers,a);a.removeMap(this);a.map=null;if(this.baseLayer==a&&(this.baseLayer=null,b))for(var c=0,d=this.layers.length;c<d;c++){var e=this.layers[c];if(e.isBaseLayer||this.allOverlays){this.setBaseLayer(e);break}}this.resetLayersZIndex();this.events.triggerEvent("removelayer",{layer:a});a.events.triggerEvent("removed",
{map:this,layer:a})}},getNumLayers:function(){return this.layers.length},getLayerIndex:function(a){return OpenLayers.Util.indexOf(this.layers,a)},setLayerIndex:function(a,b){var c=this.getLayerIndex(a);0>b?b=0:b>this.layers.length&&(b=this.layers.length);if(c!=b){this.layers.splice(c,1);this.layers.splice(b,0,a);for(var c=0,d=this.layers.length;c<d;c++)this.setLayerZIndex(this.layers[c],c);this.events.triggerEvent("changelayer",{layer:a,property:"order"});this.allOverlays&&(0===b?this.setBaseLayer(a):
this.baseLayer!==this.layers[0]&&this.setBaseLayer(this.layers[0]))}},raiseLayer:function(a,b){var c=this.getLayerIndex(a)+b;this.setLayerIndex(a,c)},setBaseLayer:function(a){if(a!=this.baseLayer&&-1!=OpenLayers.Util.indexOf(this.layers,a)){var b=this.getCachedCenter(),c=OpenLayers.Util.getResolutionFromScale(this.getScale(),a.units);null==this.baseLayer||this.allOverlays||this.baseLayer.setVisibility(!1);this.baseLayer=a;if(!this.allOverlays||this.baseLayer.visibility)this.baseLayer.setVisibility(!0),
!1===this.baseLayer.inRange&&this.baseLayer.redraw();null!=b&&(a=this.getZoomForResolution(c||this.resolution,!0),this.setCenter(b,a,!1,!0));this.events.triggerEvent("changebaselayer",{layer:this.baseLayer})}},addControl:function(a,b){this.controls.push(a);this.addControlToMap(a,b)},addControls:function(a,b){for(var c=1===arguments.length?[]:b,d=0,e=a.length;d<e;d++)this.addControl(a[d],c[d]?c[d]:null)},addControlToMap:function(a,b){a.outsideViewport=null!=a.div;this.displayProjection&&!a.displayProjection&&
(a.displayProjection=this.displayProjection);a.setMap(this);var c=a.draw(b);c&&!a.outsideViewport&&(c.style.zIndex=this.Z_INDEX_BASE.Control+this.controls.length,this.viewPortDiv.appendChild(c));a.autoActivate&&a.activate()},getControl:function(a){for(var b=null,c=0,d=this.controls.length;c<d;c++){var e=this.controls[c];if(e.id==a){b=e;break}}return b},removeControl:function(a){a&&a==this.getControl(a.id)&&(a.div&&a.div.parentNode==this.viewPortDiv&&this.viewPortDiv.removeChild(a.div),OpenLayers.Util.removeItem(this.controls,
a))},addPopup:function(a,b){if(b)for(var c=this.popups.length-1;0<=c;--c)this.removePopup(this.popups[c]);a.map=this;this.popups.push(a);if(c=a.draw())c.style.zIndex=this.Z_INDEX_BASE.Popup+this.popups.length,this.layerContainerDiv.appendChild(c)},removePopup:function(a){OpenLayers.Util.removeItem(this.popups,a);if(a.div)try{this.layerContainerDiv.removeChild(a.div)}catch(b){}a.map=null},getSize:function(){var a=null;null!=this.size&&(a=this.size.clone());return a},updateSize:function(){var a=this.getCurrentSize();
if(a&&!isNaN(a.h)&&!isNaN(a.w)){this.events.clearMouseCache();var b=this.getSize();null==b&&(this.size=b=a);if(!a.equals(b)){this.size=a;a=0;for(b=this.layers.length;a<b;a++)this.layers[a].onMapResize();a=this.getCachedCenter();null!=this.baseLayer&&null!=a&&(b=this.getZoom(),this.zoom=null,this.setCenter(a,b))}}this.events.triggerEvent("updatesize")},getCurrentSize:function(){var a=new OpenLayers.Size(this.div.clientWidth,this.div.clientHeight);if(0==a.w&&0==a.h||isNaN(a.w)&&isNaN(a.h))a.w=this.div.offsetWidth,
a.h=this.div.offsetHeight;if(0==a.w&&0==a.h||isNaN(a.w)&&isNaN(a.h))a.w=parseInt(this.div.style.width),a.h=parseInt(this.div.style.height);return a},calculateBounds:function(a,b){var c=null;null==a&&(a=this.getCachedCenter());null==b&&(b=this.getResolution());if(null!=a&&null!=b)var c=this.size.w*b/2,d=this.size.h*b/2,c=new OpenLayers.Bounds(a.lon-c,a.lat-d,a.lon+c,a.lat+d);return c},getCenter:function(){var a=null,b=this.getCachedCenter();b&&(a=b.clone());return a},getCachedCenter:function(){!this.center&&
this.size&&(this.center=this.getLonLatFromViewPortPx({x:this.size.w/2,y:this.size.h/2}));return this.center},getZoom:function(){return this.zoom},pan:function(a,b,c){c=OpenLayers.Util.applyDefaults(c,{animate:!0,dragging:!1});if(c.dragging)0==a&&0==b||this.moveByPx(a,b);else{var d=this.getViewPortPxFromLonLat(this.getCachedCenter());a=d.add(a,b);if(this.dragging||!a.equals(d))d=this.getLonLatFromViewPortPx(a),c.animate?this.panTo(d):(this.moveTo(d),this.dragging&&(this.dragging=!1,this.events.triggerEvent("moveend")))}},
panTo:function(a){if(this.panTween&&this.getExtent().scale(this.panRatio).containsLonLat(a)){var b=this.getCachedCenter();if(!a.equals(b)){var b=this.getPixelFromLonLat(b),c=this.getPixelFromLonLat(a),d=0,e=0;this.panTween.start({x:0,y:0},{x:c.x-b.x,y:c.y-b.y},this.panDuration,{callbacks:{eachStep:OpenLayers.Function.bind(function(a){this.moveByPx(a.x-d,a.y-e);d=Math.round(a.x);e=Math.round(a.y)},this),done:OpenLayers.Function.bind(function(b){this.moveTo(a);this.dragging=!1;this.events.triggerEvent("moveend")},
this)}})}}else this.setCenter(a)},setCenter:function(a,b,c,d){this.panTween&&this.panTween.stop();this.zoomTween&&this.zoomTween.stop();this.moveTo(a,b,{dragging:c,forceZoomChange:d})},moveByPx:function(a,b){var c=this.size.w/2,d=this.size.h/2,e=c+a,f=d+b,g=this.baseLayer.wrapDateLine,h=0,k=0;this.restrictedExtent&&(h=c,k=d,g=!1);a=g||e<=this.maxPx.x-h&&e>=this.minPx.x+h?Math.round(a):0;b=f<=this.maxPx.y-k&&f>=this.minPx.y+k?Math.round(b):0;if(a||b){this.dragging||(this.dragging=!0,this.events.triggerEvent("movestart"));
this.center=null;a&&(this.layerContainerOriginPx.x-=a,this.minPx.x-=a,this.maxPx.x-=a);b&&(this.layerContainerOriginPx.y-=b,this.minPx.y-=b,this.maxPx.y-=b);this.applyTransform();d=0;for(e=this.layers.length;d<e;++d)c=this.layers[d],c.visibility&&(c===this.baseLayer||c.inRange)&&(c.moveByPx(a,b),c.events.triggerEvent("move"));this.events.triggerEvent("move")}},adjustZoom:function(a){if(this.baseLayer&&this.baseLayer.wrapDateLine){var b=this.baseLayer.resolutions,c=this.getMaxExtent().getWidth()/this.size.w;
if(this.getResolutionForZoom(a)>c)if(this.fractionalZoom)a=this.getZoomForResolution(c);else for(var d=a|0,e=b.length;d<e;++d)if(b[d]<=c){a=d;break}}return a},getMinZoom:function(){return this.adjustZoom(0)},moveTo:function(a,b,c){null==a||a instanceof OpenLayers.LonLat||(a=new OpenLayers.LonLat(a));c||(c={});null!=b&&(b=parseFloat(b),this.fractionalZoom||(b=Math.round(b)));var d=b;b=this.adjustZoom(b);b!==d&&(a=this.getCenter());var d=c.dragging||this.dragging,e=c.forceZoomChange;this.getCachedCenter()||
this.isValidLonLat(a)||(a=this.maxExtent.getCenterLonLat(),this.center=a.clone());if(null!=this.restrictedExtent){null==a&&(a=this.center);null==b&&(b=this.getZoom());var f=this.getResolutionForZoom(b),f=this.calculateBounds(a,f);if(!this.restrictedExtent.containsBounds(f)){var g=this.restrictedExtent.getCenterLonLat();f.getWidth()>this.restrictedExtent.getWidth()?a=new OpenLayers.LonLat(g.lon,a.lat):f.left<this.restrictedExtent.left?a=a.add(this.restrictedExtent.left-f.left,0):f.right>this.restrictedExtent.right&&
(a=a.add(this.restrictedExtent.right-f.right,0));f.getHeight()>this.restrictedExtent.getHeight()?a=new OpenLayers.LonLat(a.lon,g.lat):f.bottom<this.restrictedExtent.bottom?a=a.add(0,this.restrictedExtent.bottom-f.bottom):f.top>this.restrictedExtent.top&&(a=a.add(0,this.restrictedExtent.top-f.top))}}e=e||this.isValidZoomLevel(b)&&b!=this.getZoom();f=this.isValidLonLat(a)&&!a.equals(this.center);if(e||f||d){d||this.events.triggerEvent("movestart",{zoomChanged:e});f&&(!e&&this.center&&this.centerLayerContainer(a),
this.center=a.clone());a=e?this.getResolutionForZoom(b):this.getResolution();if(e||null==this.layerContainerOrigin){this.layerContainerOrigin=this.getCachedCenter();this.layerContainerOriginPx.x=0;this.layerContainerOriginPx.y=0;this.applyTransform();var f=this.getMaxExtent({restricted:!0}),h=f.getCenterLonLat(),g=this.center.lon-h.lon,h=h.lat-this.center.lat,k=Math.round(f.getWidth()/a),l=Math.round(f.getHeight()/a);this.minPx={x:(this.size.w-k)/2-g/a,y:(this.size.h-l)/2-h/a};this.maxPx={x:this.minPx.x+
Math.round(f.getWidth()/a),y:this.minPx.y+Math.round(f.getHeight()/a)}}e&&(this.zoom=b,this.resolution=a);a=this.getExtent();this.baseLayer.visibility&&(this.baseLayer.moveTo(a,e,c.dragging),c.dragging||this.baseLayer.events.triggerEvent("moveend",{zoomChanged:e}));a=this.baseLayer.getExtent();for(b=this.layers.length-1;0<=b;--b)f=this.layers[b],f===this.baseLayer||f.isBaseLayer||(g=f.calculateInRange(),f.inRange!=g&&((f.inRange=g)||f.display(!1),this.events.triggerEvent("changelayer",{layer:f,property:"visibility"})),
g&&f.visibility&&(f.moveTo(a,e,c.dragging),c.dragging||f.events.triggerEvent("moveend",{zoomChanged:e})));this.events.triggerEvent("move");d||this.events.triggerEvent("moveend");if(e){b=0;for(c=this.popups.length;b<c;b++)this.popups[b].updatePosition();this.events.triggerEvent("zoomend")}}},centerLayerContainer:function(a){var b=this.getViewPortPxFromLonLat(this.layerContainerOrigin),c=this.getViewPortPxFromLonLat(a);if(null!=b&&null!=c){var d=this.layerContainerOriginPx.x;a=this.layerContainerOriginPx.y;
var e=Math.round(b.x-c.x),b=Math.round(b.y-c.y);this.applyTransform(this.layerContainerOriginPx.x=e,this.layerContainerOriginPx.y=b);d-=e;a-=b;this.minPx.x-=d;this.maxPx.x-=d;this.minPx.y-=a;this.maxPx.y-=a}},isValidZoomLevel:function(a){return null!=a&&0<=a&&a<this.getNumZoomLevels()},isValidLonLat:function(a){var b=!1;null!=a&&(b=this.getMaxExtent(),b=b.containsLonLat(a,{worldBounds:this.baseLayer.wrapDateLine&&b}));return b},getProjection:function(){var a=this.getProjectionObject();return a?a.getCode():
null},getProjectionObject:function(){var a=null;null!=this.baseLayer&&(a=this.baseLayer.projection);return a},getMaxResolution:function(){var a=null;null!=this.baseLayer&&(a=this.baseLayer.maxResolution);return a},getMaxExtent:function(a){var b=null;a&&a.restricted&&this.restrictedExtent?b=this.restrictedExtent:null!=this.baseLayer&&(b=this.baseLayer.maxExtent);return b},getNumZoomLevels:function(){var a=null;null!=this.baseLayer&&(a=this.baseLayer.numZoomLevels);return a},getExtent:function(){var a=
null;null!=this.baseLayer&&(a=this.baseLayer.getExtent());return a},getResolution:function(){var a=null;null!=this.baseLayer?a=this.baseLayer.getResolution():!0===this.allOverlays&&0<this.layers.length&&(a=this.layers[0].getResolution());return a},getUnits:function(){var a=null;null!=this.baseLayer&&(a=this.baseLayer.units);return a},getScale:function(){var a=null;null!=this.baseLayer&&(a=this.getResolution(),a=OpenLayers.Util.getScaleFromResolution(a,this.baseLayer.units));return a},getZoomForExtent:function(a,
b){var c=null;null!=this.baseLayer&&(c=this.baseLayer.getZoomForExtent(a,b));return c},getResolutionForZoom:function(a){var b=null;this.baseLayer&&(b=this.baseLayer.getResolutionForZoom(a));return b},getZoomForResolution:function(a,b){var c=null;null!=this.baseLayer&&(c=this.baseLayer.getZoomForResolution(a,b));return c},zoomTo:function(a,b){var c=this;if(c.isValidZoomLevel(a))if(c.baseLayer.wrapDateLine&&(a=c.adjustZoom(a)),c.zoomTween){var d=c.getResolution(),e=c.getResolutionForZoom(a),f={scale:1},
d={scale:d/e};c.zoomTween.playing&&c.zoomTween.duration<3*c.zoomDuration?c.zoomTween.finish={scale:c.zoomTween.finish.scale*d.scale}:(b||(e=c.getSize(),b={x:e.w/2,y:e.h/2}),c.zoomTween.start(f,d,c.zoomDuration,{minFrameRate:50,callbacks:{eachStep:function(a){var d=c.layerContainerOriginPx;a=a.scale;c.applyTransform(d.x+((a-1)*(d.x-b.x)|0),d.y+((a-1)*(d.y-b.y)|0),a)},done:function(a){c.applyTransform();a=c.getResolution()/a.scale;var d=c.getZoomForResolution(a,!0);c.moveTo(c.getZoomTargetCenter(b,
a),d,!0)}}}))}else f=b?c.getZoomTargetCenter(b,c.getResolutionForZoom(a)):null,c.setCenter(f,a)},zoomIn:function(){this.zoomTo(this.getZoom()+1)},zoomOut:function(){this.zoomTo(this.getZoom()-1)},zoomToExtent:function(a,b){a instanceof OpenLayers.Bounds||(a=new OpenLayers.Bounds(a));var c=a.getCenterLonLat();if(this.baseLayer.wrapDateLine){c=this.getMaxExtent();for(a=a.clone();a.right<a.left;)a.right+=c.getWidth();c=a.getCenterLonLat().wrapDateLine(c)}this.setCenter(c,this.getZoomForExtent(a,b))},
zoomToMaxExtent:function(a){a=this.getMaxExtent({restricted:a?a.restricted:!0});this.zoomToExtent(a)},zoomToScale:function(a,b){var c=OpenLayers.Util.getResolutionFromScale(a,this.baseLayer.units),d=this.size.w*c/2,c=this.size.h*c/2,e=this.getCachedCenter(),d=new OpenLayers.Bounds(e.lon-d,e.lat-c,e.lon+d,e.lat+c);this.zoomToExtent(d,b)},getLonLatFromViewPortPx:function(a){var b=null;null!=this.baseLayer&&(b=this.baseLayer.getLonLatFromViewPortPx(a));return b},getViewPortPxFromLonLat:function(a){var b=
null;null!=this.baseLayer&&(b=this.baseLayer.getViewPortPxFromLonLat(a));return b},getZoomTargetCenter:function(a,b){var c=null,d=this.getSize(),e=d.w/2-a.x,d=a.y-d.h/2,f=this.getLonLatFromPixel(a);f&&(c=new OpenLayers.LonLat(f.lon+e*b,f.lat+d*b));return c},getLonLatFromPixel:function(a){return this.getLonLatFromViewPortPx(a)},getPixelFromLonLat:function(a){a=this.getViewPortPxFromLonLat(a);a.x=Math.round(a.x);a.y=Math.round(a.y);return a},getGeodesicPixelSize:function(a){var b=a?this.getLonLatFromPixel(a):
this.getCachedCenter()||new OpenLayers.LonLat(0,0),c=this.getResolution();a=b.add(-c/2,0);var d=b.add(c/2,0),e=b.add(0,-c/2),b=b.add(0,c/2),c=new OpenLayers.Projection("EPSG:4326"),f=this.getProjectionObject()||c;f.equals(c)||(a.transform(f,c),d.transform(f,c),e.transform(f,c),b.transform(f,c));return new OpenLayers.Size(OpenLayers.Util.distVincenty(a,d),OpenLayers.Util.distVincenty(e,b))},getViewPortPxFromLayerPx:function(a){var b=null;null!=a&&(b=a.add(this.layerContainerOriginPx.x,this.layerContainerOriginPx.y));
return b},getLayerPxFromViewPortPx:function(a){var b=null;null!=a&&(b=a.add(-this.layerContainerOriginPx.x,-this.layerContainerOriginPx.y),isNaN(b.x)||isNaN(b.y))&&(b=null);return b},getLonLatFromLayerPx:function(a){a=this.getViewPortPxFromLayerPx(a);return this.getLonLatFromViewPortPx(a)},getLayerPxFromLonLat:function(a){a=this.getPixelFromLonLat(a);return this.getLayerPxFromViewPortPx(a)},applyTransform:function(a,b,c){c=c||1;var d=this.layerContainerOriginPx,e=1!==c;a=a||d.x;b=b||d.y;var f=this.layerContainerDiv.style,
g=this.applyTransform.transform,h=this.applyTransform.template;if(void 0===g&&(g=OpenLayers.Util.vendorPrefix.style("transform"),this.applyTransform.transform=g)){var k=OpenLayers.Element.getStyle(this.viewPortDiv,OpenLayers.Util.vendorPrefix.css("transform"));k&&"none"===k||(h=["translate3d(",",0) ","scale3d(",",1)"],f[g]=[h[0],"0,0",h[1]].join(""));h&&~f[g].indexOf(h[0])||(h=["translate(",") ","scale(",")"]);this.applyTransform.template=h}null===g||"translate3d("!==h[0]&&!0!==e?(f.left=a+"px",f.top=
b+"px",null!==g&&(f[g]="")):(!0===e&&"translate("===h[0]&&(a-=d.x,b-=d.y,f.left=d.x+"px",f.top=d.y+"px"),f[g]=[h[0],a,"px,",b,"px",h[1],h[2],c,",",c,h[3]].join(""))},CLASS_NAME:"OpenLayers.Map"});OpenLayers.Map.TILE_WIDTH=256;OpenLayers.Map.TILE_HEIGHT=256;OpenLayers.Handler=OpenLayers.Class({id:null,control:null,map:null,keyMask:null,active:!1,evt:null,touch:!1,initialize:function(a,b,c){OpenLayers.Util.extend(this,c);this.control=a;this.callbacks=b;(a=this.map||a.map)&&this.setMap(a);this.id=OpenLayers.Util.createUniqueID(this.CLASS_NAME+"_")},setMap:function(a){this.map=a},checkModifiers:function(a){return null==this.keyMask?!0:((a.shiftKey?OpenLayers.Handler.MOD_SHIFT:0)|(a.ctrlKey?OpenLayers.Handler.MOD_CTRL:0)|(a.altKey?OpenLayers.Handler.MOD_ALT:
0)|(a.metaKey?OpenLayers.Handler.MOD_META:0))==this.keyMask},activate:function(){if(this.active)return!1;for(var a=OpenLayers.Events.prototype.BROWSER_EVENTS,b=0,c=a.length;b<c;b++)this[a[b]]&&this.register(a[b],this[a[b]]);return this.active=!0},deactivate:function(){if(!this.active)return!1;for(var a=OpenLayers.Events.prototype.BROWSER_EVENTS,b=0,c=a.length;b<c;b++)this[a[b]]&&this.unregister(a[b],this[a[b]]);this.active=this.touch=!1;return!0},startTouch:function(){if(!this.touch){this.touch=!0;
for(var a="mousedown mouseup mousemove click dblclick mouseout".split(" "),b=0,c=a.length;b<c;b++)this[a[b]]&&this.unregister(a[b],this[a[b]])}},callback:function(a,b){a&&this.callbacks[a]&&this.callbacks[a].apply(this.control,b)},register:function(a,b){this.map.events.registerPriority(a,this,b);this.map.events.registerPriority(a,this,this.setEvent)},unregister:function(a,b){this.map.events.unregister(a,this,b);this.map.events.unregister(a,this,this.setEvent)},setEvent:function(a){this.evt=a;return!0},
destroy:function(){this.deactivate();this.control=this.map=null},CLASS_NAME:"OpenLayers.Handler"});OpenLayers.Handler.MOD_NONE=0;OpenLayers.Handler.MOD_SHIFT=1;OpenLayers.Handler.MOD_CTRL=2;OpenLayers.Handler.MOD_ALT=4;OpenLayers.Handler.MOD_META=8;OpenLayers.Handler.Click=OpenLayers.Class(OpenLayers.Handler,{delay:300,single:!0,"double":!1,pixelTolerance:0,dblclickTolerance:13,stopSingle:!1,stopDouble:!1,timerId:null,down:null,last:null,first:null,rightclickTimerId:null,touchstart:function(a){this.startTouch();this.down=this.getEventInfo(a);this.last=this.getEventInfo(a);return!0},touchmove:function(a){this.last=this.getEventInfo(a);return!0},touchend:function(a){this.down&&(a.xy=this.last.xy,a.lastTouches=this.last.touches,this.handleSingle(a),
this.down=null);return!0},mousedown:function(a){this.down=this.getEventInfo(a);this.last=this.getEventInfo(a);return!0},mouseup:function(a){var b=!0;this.checkModifiers(a)&&(this.control.handleRightClicks&&OpenLayers.Event.isRightClick(a))&&(b=this.rightclick(a));return b},rightclick:function(a){if(this.passesTolerance(a)){if(null!=this.rightclickTimerId)return this.clearTimer(),this.callback("dblrightclick",[a]),!this.stopDouble;a=this["double"]?OpenLayers.Util.extend({},a):this.callback("rightclick",
[a]);a=OpenLayers.Function.bind(this.delayedRightCall,this,a);this.rightclickTimerId=window.setTimeout(a,this.delay)}return!this.stopSingle},delayedRightCall:function(a){this.rightclickTimerId=null;a&&this.callback("rightclick",[a])},click:function(a){this.last||(this.last=this.getEventInfo(a));this.handleSingle(a);return!this.stopSingle},dblclick:function(a){this.handleDouble(a);return!this.stopDouble},handleDouble:function(a){this.passesDblclickTolerance(a)&&(this["double"]&&this.callback("dblclick",
[a]),this.clearTimer())},handleSingle:function(a){this.passesTolerance(a)&&(null!=this.timerId?(this.last.touches&&1===this.last.touches.length&&(this["double"]&&OpenLayers.Event.preventDefault(a),this.handleDouble(a)),this.last.touches&&2===this.last.touches.length||this.clearTimer()):(this.first=this.getEventInfo(a),a=this.single?OpenLayers.Util.extend({},a):null,this.queuePotentialClick(a)))},queuePotentialClick:function(a){this.timerId=window.setTimeout(OpenLayers.Function.bind(this.delayedCall,
this,a),this.delay)},passesTolerance:function(a){var b=!0;if(null!=this.pixelTolerance&&this.down&&this.down.xy&&(b=this.pixelTolerance>=this.down.xy.distanceTo(a.xy))&&this.touch&&this.down.touches.length===this.last.touches.length){a=0;for(var c=this.down.touches.length;a<c;++a)if(this.getTouchDistance(this.down.touches[a],this.last.touches[a])>this.pixelTolerance){b=!1;break}}return b},getTouchDistance:function(a,b){return Math.sqrt(Math.pow(a.clientX-b.clientX,2)+Math.pow(a.clientY-b.clientY,
2))},passesDblclickTolerance:function(a){a=!0;this.down&&this.first&&(a=this.down