问题是这样的,我把一个DEM数据放在了一个文件夹里面,然后读取他,对他进行坡度提取和坡长提取,自己从网上找了方法,行不通,有没有大神可以帮帮我。
private object missing = Type.Missing;
private IDataset pGeoDataset;
private ISurfaceOp surfaceOp;
private IGeoDataset OutDS;
esriGeoAnalysisSlopeEnum slopeEnum;
slopeEnum = esriGeoAnalysisSlopeEnum.esriGeoAnalysisSlopeDegrees;
IImageServerLayer imageserverlayer = new ImageServerLayerClass();
string URL = @"..\..\SampleData\dem";
imageserverlayer.Initialize(URL);
IRaster raster = imageserverlayer.Raster;
IGeoDataset pInDs = raster as IGeoDataset;
surfaceOp = new RasterSurfaceOpClass();
OutDS = surfaceOp.Slope(pInDs, slopeEnum, ref missing);