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arcgis api for flex 实例 earthquake map

上一篇 / 下一篇 2008-10-18 17:16:21 / 个人分类：mushup

arcgis api for flex 实例 earthquake map
6tOkfv+_ Hj0在中国汶川地震发生的时候，有人用google map 做了一个earthquake 捐款的map
F-zf;WFm0http://www.flex888.com/lab/grelief/srcview/index.html
V6Mq,H"j f0我使用arcgis api for flex重写了一下，作为一个例子展现给大家

9qal#I sx'c#t0Flash:gmap版

I2^[)?1K,m"sS7~X0
:w%kYd hp6|O,Z0Flash:esri map 版
\xol3AtzU0

<?xml version="1.0" encoding="utf-8"?>
<mx:Application xmlns:mx="http://www.adobe.com/2006/mxml"
    pageTitle="Service Area"
    xmlns:esri="http://www.esri.com/2008/ags"
B/^t9F4Y0    layout="absolute"
iW0wq0Z0     creationComplete="initData()"
SV8XH:{H"m-W?0>
-eN}qN0    <mx:Script>
O&s%?6G S.K3},Y0        <![CDATA[
4a;B4M*MPQ c9p!A0            import mx.containers.HBox;
        import mx.containers.VBox;
"K6r*DD4m&b,kv7}0        import mx.controls.Image;
!~5vxtd^d_0        import mx.rpc.events.ResultEvent;
0@5ifuX/t0        //导入flash的命名空间
%P oA-H$t0        import mx.collections.ArrayCollection;
            import mx.controls.Alert;
&V&M0\w^b g5yl B#J0            import mx.controls.Button;
            import mx.rpc.AsyncResponder;
            import flash.geom.Point;
I~"dY-v*h8\6m0            import mx.rpc.events.FaultEvent;
            import mx.printing.FlexPrintJobScaleType;
]fsZ+F/`0            import mx.printing.FlexPrintJob;
O6]!g)}|C-U(l(U0            import mx.rpc.soap.mxml.Operation;
            import mx.containers.Canvas;
             import flash.text.*;
j a[-N-jG"pO7y0             import mx.controls.Text;


            //导入esri flex api
        import com.esri.ags.geometry.MapPoint;
M9V:t*PT!^,n0            import com.esri.ags.Graphic;
            import com.esri.ags.events.DrawEvent;
            import com.esri.ags.events.ExtentEvent;
!X-O9W&?|;fG!Lc0            import com.esri.ags.SpatialReference;
            import com.esri.ags.layers.GraphicsLayer;
M`4CC{qg5y0   import com.esri.ags.*;
w `0TI]0   import com.esri.ags.InfoWindow;
   import com.esri.ags.InfoTemplate;
asa|glYw0      import mx.core.ByteArrayAsset;
      public var timerInt:int = 6000;
&fI{kT vX e0  public var donationPoints:Array;
,dS"v:Q|%X2g`0     [Bindable]
     public var curInfo:String;

6sE.q:f&G p1\2YH`,w;r0  public var curPoint:uint = 0;
  public var timer:Timer = new Timer(timerInt, 0);
s(l+j5Pz0
  [Bindable]
  public var donationList:XML;

    [Embed("donations.xml", mimeType="application/octet-stream")]
_8qj'B7}@!lt0  private static const xml:Class;

  public function GetXML() : XML
  {
K,DGq$_^!J0  var ba:ByteArrayAsset = ByteArrayAsset( new xml()) ;
+s7^P8F5dhn&oObE0  var xml:XML = new XML( ba.readUTFBytes( ba.length ) );
U1^sP0Z5f'\2E6P0
  return xml;
D\3Ch8K n]1c0  }
I$|%|XOc4@\:x4}}0  public function initData():void{
|"F'k0md!w%h(J"^b0           donationList = new XML(GetXML());
^RN!{r'P0   addPoints();
e ^7},[+e)}0
  }
oa wN%CS \4]0
  public function addPoints():void{
'B m-{*l7Qh0   this.donationPoints = new Array();
Po ^(O]MoF0
@Z1K5v2D m(nolq)i&d0   for each ( var donation:XML in donationList.donation) {

$_7\x!eI;N3F!mI2d0    var point:MapPoint =
        new MapPoint(Number(donation.lon),Number(donation.lat));
    var aGraphic:Graphic = new Graphic(point);

/rvd^*\HAp%N0    donationPoints.push(point);
    graphicsLayer.add(aGraphic);

   }
7d)Z.? JI3xBp0   startTimer();
9Lq(e4z"n-c^F0  }

9{n8k7wT0  public function startTimer():void{
,Y3B Bd8b5jU0   timer.addEventListener(TimerEvent.TIMER, timerHandler);
gl3XI4MU1O0   timer.start();
  }
5UN0~[3~;dKJ:u?0
q\7Gr@]fR&o0  public function timerHandler(event:TimerEvent):void {
AOxq8N1V`0
   if (curPoint >= donationPoints.length){
    curPoint = 0;
   }
&D W8B{b p!Tn[x0
&] Z6xn.o0S%F9jT0   showInfo(donationPoints[curPoint]);
   myMap.centerAt(donationPoints[curPoint]);
a-n%q%t5oh@0   curPoint++;
  }
Mf"Vu]c&N0
6rgehC5y3|0  public function showInfo(mp:MapPoint):void{
)FV/H-Ak*CQ0
   curInfo = donationList.donation.name[curPoint];
   var canvas:Canvas = new Canvas();
C7~oOx C ~{$i:S/M0   var txt:Text=new Text();
   txt.text = curInfo;
   canvas.addChild(txt);
   myMap.infoWindow.title = curPoint.toString();
)B;cOXKx%h0   myMap.infoWindow.content = canvas;
8d~1kC0jK$Vw*ox%il0
   myMap.infoWindow.show(mp);

QoRhU7kKp0  }

Mm6F&DGI0  public function stopTimer():void{
b8GcRs!]\.\A f0   timer.stop();
  }
)O9Yt!b${&m qa5fr0        ]]>
    </mx:Script>
[aG yLMX{&k0    <esri:Map id="myMap" penHandCursorVisible="false" initialize="initData()" >
U'A-}7s2Bj2w(L0        <esri:extent>
,f'C7z&~@.o0            <esri:Extent xmin="-120" ymin="-65" xmax="120" ymax="65"/>
        </esri:extent>
#g8XZir4`0        <esri:ArcGISTiledMapServiceLayer
            url="http://server.arcgisonline.com/ArcGIS/rest/services/ESRI_StreetMap_World_2D/MapServer"/>
jI._2GG-s0        <esri:GraphicsLayer id="graphicsLayer" />
        </esri:Map>