public void exportLegend(IServerContext serverContext, IMapServer pMapServer ){
try
{
IMapServerObjects mapServerObjects = (IMapServerObjects)pMapServer;
IMap map = (IMap)mapServerObjects.getMap(pMapServer.getDefaultMapName());
UID uid = (UID)serverContext.createObject("esriSystem.UID");
uid.setValue("esriCarto.Legend");
ILegend legend1 = (ILegend) map.createMapSurround(uid, null );
legend1.setTitle("图例");
for(int i=0; i<legend1.getItemCount();i++){
ILegendItem lItem = legend1.getItem(i);
ILayer layer = lItem.getLayer();
//过滤掉标注点图层
if(layer.getName().indexOf("标注点")>-1){
legend1.removeItem(i);
}
}
//获取该地图的layout对象
IMapServerLayout layout = (IMapServerLayout)pMapServer;
//设置图片类型
IImageType it = (IImageType)serverContext.createObject("esriCarto.ImageType");
it.setFormat(esriImageFormat.esriImagePNG32) ;
it.setReturnType(esriImageReturnType.esriImageReturnURL);
//设置图片显示大小
IImageDisplay idisp = (IImageDisplay)serverContext.createObject("esriCarto.ImageDisplay");
idisp.setHeight(1000);
idisp.setWidth(400);
idisp.setDeviceResolution(150);//DPI 每个英寸上所能印刷的网点数(Dot Per Inch)。
//设置图片显示大小
IImageDisplay idisp1 = (IImageDisplay)serverContext.createObject("esriCarto.ImageDisplay");
idisp1.setHeight(0);
idisp1.setWidth(0);
idisp1.setDeviceResolution(150);//DPI 每个英寸上所能印刷的网点数(Dot Per Inch)
//图片描述
IImageDescription pID = (IImageDescription)serverContext.createObject("esriCarto.ImageDescription");
pID.setDisplay(idisp1);
pID.setType(it);
//设置图例
ILegend legend = (ILegend)serverContext.createObject("esriCarto.Legend");
for(int i=0; i<legend.getItemCount();i++){
ILegendItem lItem = legend.getItem(i);
ILayer layer = lItem.getLayer();
System.out.println(layer.getName());
}
legend.setTitle("图例") ;
IMapServerInfo pMapServerInfo = pMapServer.getServerInfo(pMapServer.getDefaultMapName());
IMapDescription pMD = pMapServerInfo.getDefaultMapDescription();
/* IMapLayerInfos mapLayerInfos = pMapServerInfo.getMapLayerInfos();
for(int j=0; j<mapLayerInfos.getCount();j++){
IMapLayerInfo layerInfo = mapLayerInfos.getElement(j);
System.out.println(layerInfo.getName());
System.out.println("---------------------------------");
}*/
IImageResult img = layout.exportLegend(legend1, pMD, idisp, null, pID);
//释放ServerContext
serverContext = null;
System.out.println(img.getURL());
}catch (AutomationException e) {
e.printStackTrace();
} catch (IOException e) {
e.printStackTrace();
}
}
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