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);
