43 lines
1.2 KiB
C#
43 lines
1.2 KiB
C#
using OSGeo.GDAL;
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using OSGeo.OGR;
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namespace adminsystem.Utils.commonutils;
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/// <summary>
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/// shapefile操作类
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/// </summary>
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public class ShapeUtils
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{
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public ShapeUtils()
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{
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//加载驱动，设置中文
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Gdal.AllRegister();
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Ogr.RegisterAll();
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Gdal.SetConfigOption("GDAL_FILENAME_IS_UTF8", "NO");
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Gdal.SetConfigOption("SHAPE_ENCODING", "");
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}
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public static void Shape2Json(string filepath)
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{
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DataSource ds = Ogr.Open(filepath,1);
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if (ds == null)
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{
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throw new Exception($"Failed to open file: {filepath}");
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}
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Layer layer = ds.GetLayerByIndex(0);
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if (layer == null)
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{
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throw new Exception("Layer not found in SHP file.");
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}
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var geoJsonPath = Path.ChangeExtension(filepath, "geojson");
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var geoJsonDs = Ogr.GetDriverByName("GeoJSON").CreateDataSource(geoJsonPath, null);
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if (geoJsonDs == null)
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{
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throw new Exception("Failed to create GeoJSON data source.");
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}
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geoJsonDs.CopyLayer(layer, layer.GetName(), null);
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geoJsonDs.Dispose();
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ds.Dispose();
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layer.Dispose();
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}
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} |