Пример #1
0
 /// <summary>
 /// 初始化影像基本信息。
 /// </summary>
 private void InitBaseInfo()
 {
     BandNum             = GDALDataset.RasterCount;
     Width               = GDALDataset.RasterXSize;
     Height              = GDALDataset.RasterYSize;
     PixelCount          = Width * Height;
     GDALDataType        = GDALDataset.GetRasterBand(1).DataType;
     ColorInterpretation = GDALDataset.GetRasterBand(1).GetColorInterpretation();
     GDALColorTable      = GDALDataset.GetRasterBand(1).GetColorTable();
     InitNoData();
     CheckGrayscale();
 }
Пример #2
0
        private IRasterBand[] ReadBandsFromGDAL(Dataset ds, IRasterDataProvider provider)
        {
            if (ds == null || ds.RasterCount == 0)
            {
                return(null);
            }
            IRasterBand[] bands  = new IRasterBand[ds.RasterCount];
            GDALDataset   gdalDs = new GDALDataset(ds);

            for (int i = 1; i <= ds.RasterCount; i++)
            {
                Band band = ds.GetRasterBand(i);
                bands[i - 1] = new GDALRasterBand(provider, band, gdalDs);
            }
            return(bands);
        }