public void Save(int xoff, int yoff, int buf_xsize, int buf_ysize, double[] buffer)
        {
            try
            {
                OSGeo.GDAL.Gdal.AllRegister();
                _dataSet = OSGeo.GDAL.Gdal.Open(_fileName, OSGeo.GDAL.Access.GA_Update);

                _band1 = _dataSet.GetRasterBand(1);
                CPLErr err1 = _band1.WriteRaster(xoff,
                                                 yoff,
                                                 _resultInfo.Width,
                                                 buf_ysize,
                                                 buffer,
                                                 buf_xsize,
                                                 buf_ysize,
                                                 0,
                                                 0);

                _dataSet.Dispose();
                _band1.Dispose();
            }
            catch (Exception ex)
            {
                throw new Exception("数据写入失败。" + ex.Message);
            }
        }
        /// <summary>
        /// 数据保存
        /// </summary>
        public void Save()
        {
            try
            {
                OSGeo.GDAL.Gdal.AllRegister();
                _dataSet = OSGeo.GDAL.Gdal.Open(_fileName, OSGeo.GDAL.Access.GA_Update);

                _band1 = _dataSet.GetRasterBand(1);
                CPLErr err1 = _band1.WriteRaster(0,
                                                 0,
                                                 _resultInfo.Width,
                                                 _resultInfo.Height,
                                                 _pixels1,
                                                 _resultInfo.Width,
                                                 _resultInfo.Height,
                                                 0,
                                                 0);

                _dataSet.Dispose();
                _band1.Dispose();
            }
            catch (Exception ex)
            {
                throw new Exception("数据写入失败。" + ex.Message);
            }
        }