枸杞当归羊肉汤: 针对不含弧的Polygon

枸杞当归羊肉汤: http://zhihu.geoscene.cn/question/11785

枸杞当归羊肉汤: https://gis.stackexchange.com/questions/202865/serialize-geometry-to-geojson-with-arcobjects [code=plain] var jsonWriter = new JSONWriterClass(); jsonWriter.WriteToString(); // Create a property set to specify format to be GeoJSON IPropertySet props = new PropertySetClass(); props.SetProperty("Format", "GeoJSON"); var jsonSerializer = new JSONSerializerGdbClass(); jsonSerializer.InitSerializer(jsonWriter, props); var recordset = new RecordSetClass(); recordset.SetSourceTable((ITable)featureclass, null); var sr = ((IGeoDataset)featureclass).SpatialReference; int count; ((IExternalSerializerGdb2)jsonSerializer).WriteRecordSetEx2(null, recordset, null, sr, out count); var geoJson = System.Text.Encoding.UTF8.GetString(jsonWriter.GetStringBuffer()); [/code]

枸杞当归羊肉汤: https://gis.stackexchange.com/questions/300801/arcobjects-convert-feature-to-json

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