Tool Symmetrical Difference
Calculates the symmetrical geometric difference of the overlayed polygon layers, i.e. layer A less layer B plus layer B less layer A.
Uses the free and open source software library Clipper created by Angus Johnson.
Clipper Homepage
Clipper at SourceForge
- Author: O.Conrad (c) 2003-17
- Menu: Shapes|Polygons|Overlay
Parameters
| Name | Type | Identifier | Description | Constraints |
Input | Layer A | Shapes, input | A | - | - |
Layer B | Shapes, input | B | - | - |
Output | Symmetrical Difference | Shapes, output | RESULT | - | - |
Options | Split Parts | Boolean | SPLIT | Set true if you want multipart polygons to become separate polygons. | Default: 1 |
Command-line
Usage: saga_cmd shapes_polygons 16 [-A <str>] [-B <str>] [-RESULT <str>] [-SPLIT <str>]
-A:<str> Layer A
Shapes, input
-B:<str> Layer B
Shapes, input
-RESULT:<str> Symmetrical Difference
Shapes, output
-SPLIT:<str> Split Parts
Boolean
Default: 1