api:dk11:delphi:gislayervector.tgis_shape.difference_tgis_shape_boolean
Table of Contents
TGIS_Shape.Difference(TGIS_Shape; Boolean) method
DK11 for Delphi | GisLayerVector.TGIS_Shape.Difference | Overloads | Constructors | Fields | Methods | Properties
Compute a difference with shape provided.
Syntax
// Delphi public function Difference( const _shape : TGIS_Shape; const _returnnewobj : Boolean ) : TGIS_Shape; overload;
// C++ Builder public: TGIS_Shape* Difference( TGIS_Shape* const _shape, const bool _returnnewobj ) /* overload */;
Parameters
| Name | Type | Description |
|---|---|---|
| _shape | TGIS_Shape | shape to compute difference with |
| _returnnewobj | Boolean | if True, then result will be returned in a newly created object; if False, then self object will be returned |
Result
| Type | Description |
|---|---|
| TGIS_Shape | If _returnnewobj=True, then returns newly created shape. Otherwise returns modified or unmodified self object. |
Remarks
Internally it uses Combine method of TGIS_Topology class. See Combine for similar example.
2022/11/16 01:22