/// <summary>
/// IGeometry转成JSON字符串
/// </summary>
public static string GeometryToJsonString(ZGeometry zGeo)
{
IGeometry geometry = zGeo.geometry;
IJSONWriter jsonWriter = new JSONWriterClass();
jsonWriter.WriteToString();
JSONConverterGeometryClass jsonCon = new JSONConverterGeometryClass();
jsonCon.WriteGeometry(jsonWriter, null, geometry, false);
return(Encoding.UTF8.GetString(jsonWriter.GetStringBuffer()));
}
/// <summary>
/// 分割多边形
/// </summary>
/// <param name="polygon"></param>
/// <param name="polyline"></param>
/// <returns></returns>
public static List <ZGeometry> CutGeometry(ZGeometry polygon, ZGeometry polyline)
{
List <ZGeometry> geos = new List <ZGeometry>();
try
{
IGeometry pLeftGeo, pRightGeo;
ITopologicalOperator pTopologBoundary = polygon.geometry as ITopologicalOperator;
pTopologBoundary.Simplify();
pTopologBoundary.Cut((IPolyline)polyline.geometry, out pLeftGeo, out pRightGeo);
if (pLeftGeo != null && pRightGeo != null)
{
geos.Add(new ZGeometry(pLeftGeo));
geos.Add(new ZGeometry(pRightGeo));
}
}
catch (Exception ex)
{
throw ex;
}
return(geos);
}