39 lines
1.4 KiB
C#
39 lines
1.4 KiB
C#
using System;
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using System.IO;
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using Aspose.Gis;
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using Aspose.Gis.Geometries;
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namespace Aspose.GIS.Examples.CSharp.Layers
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{
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public static class CropLayer
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{
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public static void Run()
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{
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CropRaster();
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}
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private static void CropRaster()
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{
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Console.WriteLine($"== Start Demo: {nameof(CropRaster)}");
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// ExStart: CropRaster
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string filesPath = RunExamples.GetDataDir();
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using (var layer = Drivers.GeoTiff.OpenLayer(Path.Combine(filesPath, "geodetic_world.tif")))
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using (var warped = layer.Crop(Geometry.FromText("POLYGON ((-160 0, 0 60, 160 0, 0 -160, -160 0))")))
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{
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// read and print raster
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var cellSize = warped.CellSize;
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var extent = warped.GetExtent();
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var spatialRefSys = warped.SpatialReferenceSystem;
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var code = spatialRefSys == null ? "'no srs'" : spatialRefSys.EpsgCode.ToString();
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var bounds = warped.Bounds;
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Console.WriteLine($"cellSize: {cellSize}");
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Console.WriteLine($"source extent: {layer.GetExtent()}");
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Console.WriteLine($"target extent: {extent}");
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Console.WriteLine($"spatialRefSys: {code}");
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Console.WriteLine($"bounds: {bounds}");
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}
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// ExEnd: CropRaster
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}
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}
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} |