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C# Dataset.SetGeoTransform方法代碼示例

本文整理匯總了C#中OSGeo.GDAL.Dataset.SetGeoTransform方法的典型用法代碼示例。如果您正苦於以下問題:C# Dataset.SetGeoTransform方法的具體用法?C# Dataset.SetGeoTransform怎麽用?C# Dataset.SetGeoTransform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.SetGeoTransform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: ConvertFeatureToRaster

        public static void ConvertFeatureToRaster(Layer layer, out Dataset outputDataset, double rasterCellSize, string fieldName)
        {
            DriverUtils.RegisterGdalOgrDrivers();

            Envelope envelope = new Envelope();
            layer.GetExtent(envelope, 0);

            //Compute the out raster cell resolutions
            int x_res = Convert.ToInt32((envelope.MaxX - envelope.MinX) / rasterCellSize);
            int y_res = Convert.ToInt32((envelope.MaxY - envelope.MinY) / rasterCellSize);

            //Console.WriteLine("Extent: " + envelope.MaxX + " " + envelope.MinX + " " + envelope.MaxY + " " + envelope.MinY);
            //Console.WriteLine("X resolution: " + x_res);
            //Console.WriteLine("X resolution: " + y_res);

            //Create new tiff in disk
            string tempRaster = "tempZoneRaster.tif";
            if (File.Exists(tempRaster))
            {
                File.Delete(tempRaster);
            }
            OSGeo.GDAL.Driver outputDriver = Gdal.GetDriverByName("GTiff");
            outputDataset = outputDriver.Create(tempRaster, x_res, y_res, 1, DataType.GDT_Int32, null);

            //Extrac srs from input feature
            string inputShapeSrs;
            SpatialReference spatialRefrence = layer.GetSpatialRef();
            spatialRefrence.ExportToWkt(out inputShapeSrs);

            //Assign input feature srs to outpur raster
            outputDataset.SetProjection(inputShapeSrs);

            //Geotransform
            double[] argin = new double[] { envelope.MinX, rasterCellSize, 0, envelope.MaxY, 0, -rasterCellSize };
            outputDataset.SetGeoTransform(argin);

            //Set no data
            Band band = outputDataset.GetRasterBand(1);
            //band.SetNoDataValue(GdalUtilConstants.NoDataValue);
            band.Fill(GdalUtilConstants.NoDataValue, 0.0);

            //Feature to raster rasterize layer options

            //No of bands (1)
            int[] bandlist = new int[] { 1 };

            //Values to be burn on raster (10.0)
            double[] burnValues = new double[] { 10.0 };
            //Dataset myDataset = Gdal.Open(outputRasterFile, Access.GA_Update);

            //additional options

            string[] rasterizeOptions;
            //rasterizeOptions = new string[] { "ALL_TOUCHED=TRUE", "ATTRIBUTE=" + fieldName }; //To set all touched pixels into raster pixel

            rasterizeOptions = new string[] { "ATTRIBUTE=" + fieldName };

            //Rasterize layer
            //Gdal.RasterizeLayer(myDataset, 1, bandlist, layer, IntPtr.Zero, IntPtr.Zero, 1, burnValues, null, null, null); // To burn the given burn values instead of feature attributes
            //Gdal.RasterizeLayer(outputDataset, 1, bandlist, layer, IntPtr.Zero, IntPtr.Zero, 1, burnValues, rasterizeOptions, new Gdal.GDALProgressFuncDelegate(ProgressFunc), "Raster conversion");

            Gdal.RasterizeLayer(outputDataset, 1, bandlist, layer, IntPtr.Zero, IntPtr.Zero, 1, burnValues, rasterizeOptions, null, null);
        }
開發者ID:alamsal,項目名稱:GDAL_UTILS_Csharp,代碼行數:63,代碼來源:ConversionGdal.cs


注:本文中的OSGeo.GDAL.Dataset.SetGeoTransform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。