【转】基于ArcGIS for javascript api 轨迹回放
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01//EN" "http://www.w3.org/TR/html4/strict.dtd"> <html> <head> <meta. http-equiv="Content-Type" content="text/html; charset=utf-8"/> <title>Simple Map</title> <link rel="stylesheet" type="text/css" href="http://esri-guo/arcgis_js_v32_sdk/arcgis_js_api/library/3.2/jsapi/js/dojo/dijit/themes/tundra/tundra.css"/> <link rel="stylesheet" type="text/css" href="http://esri-guo/arcgis_js_v32_sdk/arcgis_js_api/library/3.2/jsapi/js/esri/css/esri.css" /> <script. type="text/javascript" src="http://esri-guo/arcgis_js_v32_sdk/arcgis_js_api/library/3.2/jsapi/init.js"></script> <script. type="text/javascript"> dojo.require("esri.map"); dojo.require("esri.toolbars.draw"); dojo.require("esri.graphic"); dojo.require("esri.layers.graphics"); dojo.require("esri.geometry"); var ptcount = "13740395.6058,5130594.7971/13740385.6058,5130594.7971/13740375.6058,5130594.7971/13740365.6058,5130594.7971/13740355.6058,5130594.7971/13740355.6058,5130583.7971/13740355.6058,5130572.7971/13740355.6058,5130561.7971/13740355.6058,5130550.7971/13740355.6058,5130549.7971/13740355.6058,5130538.7971/13740355.6058,5130527.7971/13740355.6058,5130516.7971/13740355.6058,5130505.7971/13740355.6058,5130494.7971/13740355.6058,5130483.7971/13740355.6058,5130472.7971/13740355.6058,5130461.7971/13740355.6058,5130450.7971/13740355.6058,5130449.7971/13740355.6058,5130438.7971/13740355.6058,5130427.7971/13740355.6058,5130416.7971/13740355.6058,5130405.7971/13740355.6058,5130394.7971/13740355.6058,5130383.7971/13740355.6058,5130372.7971/13740355.6058,5130361.7971/13740355.6058,5130350.7971/13740355.6058,5130349.7971/13740355.6058,5130328.7971/13740355.6058,5130317.7971/13740355.6058,5130306.7971/13740355.6058,5130295.7971/13740355.6058,5130284.7971/13740355.6058,5130273.7971/13740355.6058,5130262.7971/"; var list; var defaultSymbol; var myMap; var icount; var i = 0; function ptcounntSplit() { list = ptcount.split("/"); icount= list.length; //alert(list[0].substring(0,list[0].indexOf(','))); //alert(list[0].substring(list[0].indexOf(',')+1, list[0].length)); } function ptPosition() { var pointSymbol = new esri.symbol.SimpleMarkerSymbol(); pointSymbol.setOutline = new esri.symbol.SimpleLineSymbol(esri.symbol.SimpleLineSymbol.STYLE_SOLID, new dojo.Color([255, 0, 0]), 1); pointSymbol.setSize(5); pointSymbol.setColor(new dojo.Color([0, 255, 0, 0.25])); var geometry = new esri.geometry.Point(13740395.6058, 5130594.7971); var graphic = new esri.Graphic(geometry, pointSymbol); myMap.graphics.add(graphic); // var point = new esri.geometry.Point({ "x": 13740395.6058, "y": 5130594.7971, " spatialReference": { " wkid": 102100} }); myMap.centerAndZoom(geometry, 20); } function go() { var pointSymbol = new esri.symbol.SimpleMarkerSymbol(); pointSymbol.setOutline = new esri.symbol.SimpleLineSymbol(esri.symbol.SimpleLineSymbol.STYLE_SOLID, new dojo.Color([255, 0, 0]), 1); pointSymbol.setSize(5); pointSymbol.setColor(new dojo.Color([0, 255, 0, 0.25])); //alert(list[i]); var geometry = new esri.geometry.Point(list[i].substring(0, list[i].indexOf(',')), list[i].substring(list[i].indexOf(',') + 1, list[i].length)); var graphic = new esri.Graphic(geometry, pointSymbol); myMap.graphics.add(graphic); var extent = myMap.extent; if (!extent.contains(graphic.geometry)) { myMap.centerAt(geometry); } i++; } function gogps() { go(); if (i < icount) { window.setTimeout("gogps()", "2000"); } else { window.clearTimeout("gogps()"); } } function init() { //var myMap = new esri.Map("mapDiv"); var customExtentAndSR = new esri.geometry.Extent(13676444.4499247, 5092822.83792968, 13781163.1786753, 5160163.85984883, new esri.SpatialReference({ "wkid": 102100})); myMap = new esri.Map("mapDiv", {extent:customExtentAndSR}); //note that if you do not have public Internet access then you will need to point this url to your own locally accessible cached service. var myTiledMapServiceLayer = new esri.layers.ArcGISTiledMapServiceLayer("http://www.arcgisonline.cn/ArcGIS/rest/services/ChinaCities_Community_BaseMap_CHN/ShenYang_Community_BaseMap_CHN/MapServer"); myMap.addLayer(myTiledMapServiceLayer); } dojo.addOnLoad(init); </script> </head> <body class="tundra"> <table> <tr> <td> <div id="mapDiv" style="width:1500px; height:800px; border:1px solid #000;"></div> </td> <td> <input id="Button1" type="button" value="定位" nclick='ptPosition()' /> <input id="Button2" type="button" value="回放" nclick=' ptcounntSplit();gogps()'/> </td> </tr> </table> </body> </html>
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