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C# Dataset.FlushCache方法代碼示例

本文整理匯總了C#中OSGeo.GDAL.Dataset.FlushCache方法的典型用法代碼示例。如果您正苦於以下問題:C# Dataset.FlushCache方法的具體用法?C# Dataset.FlushCache怎麽用?C# Dataset.FlushCache使用的例子?那麽, 這裏精選的方法代碼示例或許可以為您提供幫助。您也可以進一步了解該方法所在OSGeo.GDAL.Dataset的用法示例。


在下文中一共展示了Dataset.FlushCache方法的1個代碼示例,這些例子默認根據受歡迎程度排序。您可以為喜歡或者感覺有用的代碼點讚,您的評價將有助於係統推薦出更棒的C#代碼示例。

示例1: ReadRasterBlocks

        private static void ReadRasterBlocks(ref Dataset valueRaster, ref Dataset zoneRaster)
        {
            _rasInfoDict = new Dictionary<int, StatisticsInfo>[valueRaster.RasterCount];

            int valueRasterBandCount = valueRaster.RasterCount;

            int rasterRows = zoneRaster.RasterYSize;
            int rasterCols = zoneRaster.RasterXSize;

            const int blockSize = AppUtils.GdalUtilConstants.RasterBlockSize;

            for (int rasBand = 0; rasBand < valueRasterBandCount; rasBand++)
            {
                Band bandValueRaster = valueRaster.GetRasterBand(rasBand + 1);
                Band bandZoneRaster = zoneRaster.GetRasterBand(1);

                _rasInfoDict[rasBand] = new Dictionary<int, StatisticsInfo>();

                for (int row = 0; row < rasterRows; row += blockSize)
                {
                    int rowProcess;
                    if (row + blockSize < rasterRows)
                    {
                        rowProcess = blockSize;
                    }
                    else
                    {
                        rowProcess = rasterRows - row;
                    }

                    for (int col = 0; col < rasterCols; col += blockSize)
                    {
                        int colProcess;
                        if (col + blockSize < rasterCols)
                        {
                            colProcess = blockSize;
                        }
                        else
                        {
                            colProcess = rasterCols - col;
                        }

                        double[] valueRasterValues = new double[rowProcess * colProcess];
                        double[] zoneRasterValues = new double[rowProcess * colProcess];

                        bandValueRaster.ReadRaster(col, row, colProcess, rowProcess, valueRasterValues, colProcess, rowProcess, 0, 0);
                        bandZoneRaster.ReadRaster(col, row, colProcess, rowProcess, zoneRasterValues, colProcess, rowProcess, 0, 0);

                        ProcessEachRasterBlock(valueRasterValues, zoneRasterValues, rasBand, ref _rasInfoDict);
                    }
                }
            }

            //flush rasters cache
            valueRaster.FlushCache();
            zoneRaster.FlushCache();

            valueRaster.Dispose();
            zoneRaster.Dispose();

            StatisticsExport writer = new StatisticsExport(_zoneFile);
            writer.ExportZonalStatistics(ref _rasInfoDict, _cellSize);
        }
開發者ID:alamsal,項目名稱:GDAL_UTILS_Csharp,代碼行數:63,代碼來源:ComputeStatistics.cs


注:本文中的OSGeo.GDAL.Dataset.FlushCache方法示例由純淨天空整理自Github/MSDocs等開源代碼及文檔管理平台,相關代碼片段篩選自各路編程大神貢獻的開源項目,源碼版權歸原作者所有,傳播和使用請參考對應項目的License;未經允許,請勿轉載。