/// <summary>Constructs a new geometry by union an array of geometries.</summary>
/// <remarks>
/// Constructs a new geometry by union an array of geometries. All inputs
/// must be of the same type of geometries and share one spatial reference.
/// See OperatorUnion.
/// </remarks>
/// <param name="geometries">The geometries to union.</param>
/// <param name="spatialReference">The spatial reference of the geometries.</param>
/// <returns>The geometry object representing the resultant union.</returns>
public static com.epl.geometry.Geometry Union(com.epl.geometry.Geometry[] geometries, com.epl.geometry.SpatialReference spatialReference)
{
com.epl.geometry.OperatorUnion op = (com.epl.geometry.OperatorUnion)factory.GetOperator(com.epl.geometry.Operator.Type.Union);
com.epl.geometry.SimpleGeometryCursor inputGeometries = new com.epl.geometry.SimpleGeometryCursor(geometries);
com.epl.geometry.GeometryCursor result = op.Execute(inputGeometries, spatialReference, null);
return(result.Next());
}
public virtual com.epl.geometry.ogc.OGCGeometry Union(com.epl.geometry.ogc.OGCGeometry another)
{
com.epl.geometry.OperatorUnion op = (com.epl.geometry.OperatorUnion)com.epl.geometry.OperatorFactoryLocal.GetInstance().GetOperator(com.epl.geometry.Operator.Type.Union);
com.epl.geometry.GeometryCursorAppend ap = new com.epl.geometry.GeometryCursorAppend(GetEsriGeometryCursor(), another.GetEsriGeometryCursor());
com.epl.geometry.GeometryCursor cursor = op.Execute(ap, GetEsriSpatialReference(), null);
return(com.epl.geometry.ogc.OGCGeometry.CreateFromEsriCursor(cursor, esriSR));
}
public static void TestUnion__()
{
com.epl.geometry.Point pt = new com.epl.geometry.Point(10, 20);
com.epl.geometry.Point pt2 = new com.epl.geometry.Point();
pt2.SetXY(10, 10);
com.epl.geometry.Envelope env1 = new com.epl.geometry.Envelope(10, 10, 30, 50);
com.epl.geometry.Envelope env2 = new com.epl.geometry.Envelope(30, 10, 60, 50);
com.epl.geometry.Geometry[] geomArray = new com.epl.geometry.Geometry[] { env1, env2 };
com.epl.geometry.SimpleGeometryCursor inputGeometries = new com.epl.geometry.SimpleGeometryCursor(geomArray);
com.epl.geometry.OperatorUnion union = (com.epl.geometry.OperatorUnion)com.epl.geometry.OperatorFactoryLocal.GetInstance().GetOperator(com.epl.geometry.Operator.Type.Union);
com.epl.geometry.SpatialReference sr = com.epl.geometry.SpatialReference.Create(4326);
com.epl.geometry.GeometryCursor outputCursor = union.Execute(inputGeometries, sr, null);
com.epl.geometry.Geometry result = outputCursor.Next();
}