ArcEngine 获取HDF文件中的子文件

public IRasterDataset HDFSubdataset(IRasterDataset rasterDataset, int subsetID)

{

  //Some raster formats can contain multiple subdatasets inside a single file, for example the HDF format. 

  //This sample code shows how one can retrieve the HDF subdatasets using the IRasterDatasetJukebox interface.

  //rasterDataset: represents a raster dataset from a HDF4 file

  IRasterDatasetJukebox hdfDataset= (IRasterDatasetJukebox)rasterDataset;

  IRasterDataset subDatasset;

  int datasetCount = hdfDataset.SubdatasetCount;

  if (subsetID < datasetCount)

    {

     hdfDataset.Subdataset = subsetID;

     subDatasset = (IRasterDataset)hdfDataset;

     return subDatasset;

    }

  else { return rasterDataset; }

}