public static extern CPLErr GDALMEMContourGenerate(double[] BandData, int nXSize, int nYSize, double[] padfTransfrom, string pszWKT, double dfContourInterval, double dfContourBase, int nFixedLevelCount, double[] padfFixedLevels, int bUseNoData, double dfNoDataValue, string pszDstFilename, GDALProgressFunc pfnProgress, IntPtr pProgressArg);
public static extern CPLErr GDALGridCreateTIF(GDALGridAlgorithm alg, IntPtr poOptions, UInt32 nPoints, double[] padfX, double[] padfY, double[] padfZ, double dfXMin, double dfXMax, double dfYMin, double dfYMax, UInt32 nXSize, UInt32 nYSize, LDataType eType, string outFileName, GDALProgressFunc pfnProgress, IntPtr pProgressArg);