Engine中如何加载.hdf5数据，并作为RGB图层显示

string FileName1 = @D:\ZhuXinying\测试数据\Raster\H2A_RM2A20150113000086_0294.h5;    

            RasterWorkspaceFactoryClass pRasterWorkspaceFactoryClass1 = new RasterWorkspaceFactoryClass();

            IWorkspace pWorkspace1 = pRasterWorkspaceFactoryClass1.OpenFromFile(System.IO.Path.GetDirectoryName(FileName1), 0);

            IRasterWorkspace pRasterWorkspace = pWorkspace1 as IRasterWorkspace;

            ESRI.ArcGIS.DataSourcesRaster.IRasterBandCollection rasterBandCollection = new ESRI.ArcGIS.DataSourcesRaster.RasterClass();



            int[] ListSub = { 16, 17, 18 };//获取子数据集，以16 17 18为例

            for (int i = 0; i < ListSub.Length; i++)

            {

                IRasterDataset pRasterDataset = pRasterWorkspace.OpenRasterDataset(System.IO.Path.GetFileName(FileName1));

                IRasterDatasetJukebox pRasterDatasetJukebox = pRasterDataset as IRasterDatasetJukebox;    

                if (pRasterDatasetJukebox.SubdatasetCount > ListSub[i])

                {

                    IRasterDatasetJukebox pRasterDatasetJukeboxdas = pRasterDataset as IRasterDatasetJukebox;

                    pRasterDatasetJukeboxdas.Subdataset = ListSub[i];

                    IRasterDataset pSubDataset = pRasterDatasetJukeboxdas as IRasterDataset;

                    IRasterBandCollection pRasterBands1 = pSubDataset as IRasterBandCollection;

                    rasterBandCollection.Add(pRasterBands1.Item(0), i);

                }

            }



            IRasterLayer pRasterLayerClass = new RasterLayerClass();

            pRasterLayerClass.CreateFromRaster(rasterBandCollection as IRaster);

            pRasterLayerClass.Name = asdf;

            axMapControl1.AddLayer(pRasterLayerClass);

            axMapControl1.Refresh();

            IGeoDataset geodataset = rasterBandCollection as IGeoDataset;

            ISaveAs saveAs = geodataset as ISaveAs;

            saveAs.SaveAs(zxy7.tif, pWorkspace1, TIFF);