ArcGIS Api For Flex 动态画点和线
<?xml version="1.0" encoding="utf-8"?>
<s:Application xmlns:fx="http://ns.adobe.com/mxml/2009"
xmlns:s="library://ns.adobe.com/flex/spark"
xmlns:mx="library://ns.adobe.com/flex/mx" xmlns:supportClasses="com.esri.ags.skins.supportClasses.*" minWidth="955" minHeight="600" xmlns:esri="http://www.esri.com/2008/ags"
initialize="init()"
>
<fx:Script>
<![CDATA[
import com.esri.ags.Graphic;
import com.esri.ags.SpatialReference;
import com.esri.ags.geometry.MapPoint;
import com.esri.ags.geometry.Polyline;
import com.esri.ags.layers.GraphicsLayer;
import com.esri.ags.symbols.SimpleLineSymbol;
import com.esri.ags.symbols.SimpleMarkerSymbol;
import mx.controls.Alert;
private var arr:Array=
[new MapPoint(123.361328,41.265625,new SpatialReference(5326)),
new MapPoint(123.720703,41.703125,new SpatialReference(5326)),
new MapPoint(123.431641,41.320313,new SpatialReference(5326)),
new MapPoint(123.646484,41.515625,new SpatialReference(5326)),
new MapPoint(123.763272,41.734675,new SpatialReference(5326)),
new MapPoint(123.248047,41.710938,new SpatialReference(5326)),
new MapPoint(124.248047,42.510938,new SpatialReference(5326)),
new MapPoint(123.748047,43.210938,new SpatialReference(5326)),
new MapPoint(123.748047,43.210938,new SpatialReference(5326))
];
private var polyine:Polyline=new Polyline();
private var graphicsLayer:GraphicsLayer=new GraphicsLayer();
private var grahpic:Graphic=new Graphic();
private function init():void
{
graphicsLayer.add(grahpic);
Map.addLayer(graphicsLayer);
}
private function PlayPoint(e:MouseEvent):void
{
graphicsLayer.clear();
var i:int=0;
var timer:Timer = new Timer(1000, arr.length-1);
timer.addEventListener(TimerEvent.TIMER, TimerMethod);
timer.start();
function TimerMethod(event:TimerEvent):void
{
var mps:Array=new Array;
var mpStat:MapPoint=arr[i] as MapPoint;
grahpic=new Graphic(mpStat,sps);
graphicsLayer.add(grahpic);
i=i+1;
}
}
private function PlayLine(e:MouseEvent):void
{
polyine=new Polyline();
var i:int=0;
var timer:Timer = new Timer(1000, arr.length-1);
timer.addEventListener(TimerEvent.TIMER, TimerMethod);
timer.start();
function TimerMethod(event:TimerEvent):void
{
var mps:Array=new Array;
var mpStat:MapPoint=arr[i] as MapPoint;
var mpEnd:MapPoint=arr[i+1] as MapPoint;
mps.push(mpStat);
mps.push(mpEnd);
polyine.addPath(mps);
grahpic=new Graphic(polyine,sls);
graphicsLayer.add(grahpic);
i=i+1;
}
}
]]>
</fx:Script>
<fx:Declarations>
<!-- 将非可视元素（例如服务、值对象）放在此处 -->
<esri:SimpleLineSymbol id="sls"
width="3"
color="0x00FF00"/>
<esri:SimpleMarkerSymbol id="sms"
color="0x00FF00"
size="12"
style="square"/>
<esri:PictureMarkerSymbol id="sps" source="http://localhost/Red_glow.swf" width="20" height="20" />
</fx:Declarations>
<esri:Map id="Map" >
<esri:ArcGISDynamicMapServiceLayer url="xxx "/>
</esri:Map>
<mx:ControlBar width="100%" top="0" left="0" paddingTop="0" paddingBottom="0" horizontalAlign="left" >
<mx:Button label="开始点轨迹" width="100" fontSize="12" click="PlayPoint(event)"/>
<mx:Button label="开始线轨迹" width="100" fontSize="12" click="PlayLine(event)"/>
</mx:ControlBar>
</s:Application>