/// <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();
}
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);
}