切片地图服务使用Flex API编辑和更新切图
ArcGIS Flex API 2.0开始支持访问ArcGIS Server 10 的Feature Service进行编辑。
Flex：
minWidth="955" minHeight="600"
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:esri="http://www.esri.com/2008/ags" >
<!-- [CDATA[<br /> import com.esri.ags.Graphic;<br /> import com.esri.ags.events.DrawEvent;<br /> import com.esri.ags.events.FeatureLayerEvent;<br /> import com.esri.ags.geometry.Extent;<br /> import com.esri.ags.layers.supportClasses.FeatureEditResult;<br /> import mx.controls.Alert;<br /> import mx.rpc.events.FaultEvent;<br /> import mx.rpc.events.ResultEvent;<br /> protected function buttonAddFeature_click(event:MouseEvent):void{<br /> if(buttonAddFeature.selected){<br /> drawTool.activate(DrawTool.MAPPOINT, false);<br /> }else{<br /> drawTool.deactivate();<br /> }<br /> }<br /> protected function drawTool_drawEnd(event:DrawEvent):void{<br /> var g:Graphic = event.graphic;<br /> g.attributes = new Object();<br /> g.attributes.CITY_NAME = "test";<br /> g.attributes.POP_RANK = 2;<br /> var adds:Array = new Array();<br /> adds.push(g);<br /> featureLayer0.applyEdits(adds, null, null);<br /> }<br /> protected function featureLayer0_editsComplete(event:FeatureLayerEvent):void{<br /> Alert.show('编辑要素成功，通知更新切图');<br /> var adds:Array = event.featureEditResults.addResults;<br /> var objectids:String = null;<br /> for each(var f:FeatureEditResult in adds){<br /> var objectid:int = f.objectId;<br /> if(objectids==null){<br /> objectids = String(objectid);<br /> }else{<br /> objectids += ",";<br /> objectids += String(objectid);<br /> }<br /> }<br /> var params:Object = new Object();<br /> params.objectids = objectids;<br /> httpUpdateCache.send(params);<br /> } <p> protected function httpUpdateCache_resultHandler(event:ResultEvent):void<br /> {<br /> var result:Boolean = event.result as Boolean;<br /> if(result){<br /> Alert.show('更新切图成功');<br /> }else{<br /> Alert.show('更新切图失败');<br /> }<br /> } <p> ]]-->
url="http://localhost:8399/arcgis/rest/services/sde/world/MapServer"/ >
<!-- 将非可视元素（例如服务、值对象）放在此处 -->
map="{map}"
graphicsLayer="{drawLayer}"
drawEnd="drawTool_drawEnd(event)"/>
url="http://localhost:8399/arcgis/rest/services/sde/world/FeatureServer/0"
editsComplete="{featureLayer0_editsComplete(event)}"
fault="trace(event)"/>
url="http://localhost:8080/ArcObjectsServer/rest/update_cache"
result="httpUpdateCache_resultHandler(event)"
fault="trace(event)"/>
更新数据完成后，再通过基于ArcObjects开发的Web服务更新切图
Java：
private String result(String objectids) {
String result = "false";
IServerContext serverContext = null;
try {
ResourceBundle rb = ResourceBundle.getBundle("wuyf.Config");
String host = rb.getString("HOST");
String username = rb.getString("USERNAME");
String password = rb.getString("PASSWORD");
String service = rb.getString("MAP_SERVER");
int layerId = Integer.valueOf(rb.getString("LAYER_ID"));
ServerInitializer serverInitializer = new ServerInitializer();
serverInitializer.initializeServer(host, username, password);
ServerConnection conn = new ServerConnection();
conn.connect(host);
IServerObjectManager som = conn.getServerObjectManager();
serverContext = som.createServerContext(service, "MapServer");
MapServer mapServer = (MapServer) serverContext.getServerObject();
IFeatureLayer feaLayer = (IFeatureLayer) mapServer.getLayer(
mapServer.getDefaultMapName(), layerId);
IFeatureClass feaClass = feaLayer.getFeatureClass();
String mapName = mapServer.getDefaultMapName();
Map map = (Map) mapServer.getMap(mapName);
ILODInfos lodInfos = mapServer.getCacheDescriptionInfo(
map.getName()).getTileCacheInfo().getLODInfos();
String layers = "";
for (int i = 0, count = map.getLayerCount(); i < count; i++) {
String layerName = map.getLayer(i).getName();
if (layers != "") {
layers += ";";
}
layers += layerName;
}
String levels = "";
for (int i = 0, count = lodInfos.getCount(); i < count; i++) {
ILODInfo lodInfo = lodInfos.getElement(i);
if (levels != "") {
levels += ";";
}
levels += String.format("%f", lodInfo.getScale());
}
String[] ids = objectids.split(",");
String where = "";
for (int i = 0, count = ids.length; i < count; i++) {
if (where != "") {
where += " AND ";
}
where += "OBJECTID=" + ids[i];
}
QueryFilter filter = (QueryFilter) serverContext
.createObject(QueryFilter.getClsid());
filter.setWhereClause(where);
IFeatureCursor feaCursor = feaClass.search(filter, false);
IFeature fea = feaCursor.nextFeature();
while (fea != null) {
IGeometry geo = fea.getShape();
IEnvelope env = geo.getEnvelope();
GeoProcessor gp = (GeoProcessor) serverContext
.createObject(GeoProcessor.getClsid());
gp.setOverwriteOutput(true);
ManageMapServerCacheTiles mc = new ManageMapServerCacheTiles();
VarArray var = (VarArray) serverContext.createObject(VarArray
.getClsid());
var.add(host);
var.add(service);
var.add(mapName);
var.add(layers);
var.add(levels);
var.add("Recreate All Tiles");
String extent =
String.format("%f", env.getXMin()) + " " +
String.format("%f", env.getYMin()) + " " +
String.format("%f", env.getXMax()) + " " +
String.format("%f", env.getYMax());
var.add(extent);
//注意，执行这个GP需要将soc帐号加入到agsadmin组
IGeoProcessorResult gpResult = gp.execute(mc.getToolName() + "_" + mc.getToolboxAlias(),var, null);
if (gp.getMessageCount() > 0) {
for (int i = 0, count = gp.getMessageCount(); i < count; i++) {
System.err.print(gp.getMessage(i));
}
}
fea = feaCursor.nextFeature();
}
result = "true";
} catch (Exception ex) {
ex.printStackTrace();
} finally {
try {
serverContext.releaseContext();
} catch (Exception ex) {
ex.printStackTrace();
}
}
return result;
}