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最新推荐文章于 2025-06-07 15:51:37 发布

原创最新推荐文章于 2025-06-07 15:51:37 发布 · 860 阅读

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MapService_MapServer mapservice = new MapService_MapServer();
mapservice.Url = “http://sampleserver1.arcgisonline.com/ArcGIS/rest/services/Demographics/
ESRI_Census_USA/MapServer/”;
MapServerInfo mapinfo = mapservice.GetServerInfo(mapservice.GetDefaultMapName());
MapDescription mapdesc = mapinfo.DefaultMapDescription;
ImageType imgtype = new ImageType();
imgtype.ImageFormat = esriImageFormat.esriImagePNG;
imgtype.ImageReturnType = esriImageReturnType.esriImageReturnURL;
ImageDisplay imgdisp = new ImageDisplay();
imgdisp.ImageHeight = 512;
imgdisp.ImageWidth = 512;
imgdisp.ImageDPI = 96;
ImageDescription imgdesc = new ImageDescription();
imgdesc.ImageDisplay = imgdisp;
imgdesc.ImageType = imgtype;
MapService_MapServer.EnvelopeN env = new MapService_MapServer.EnvelopeN();
env.XMin = 122.1;
env.XMax = 123.1;
env.YMin = 30.3;
env.YMax = 31.3;
mapdesc.MapArea.Extent = env;
MapImage mapimg = mapservice.ExportMapImage(mapdesc, imgdesc);