Difference
- Author: O.Conrad (c) 2003-17
- Menu: Shapes | Polygons | Overlay
Description
Calculates the geometric difference of the overlayed polygon layers, i.e. layer A less layer B. Sometimes referred to as 'Erase' command. Uses the free and open source software library Clipper created by Angus Johnson. Clipper Homepage Clipper at SourceForge
Parameters
| Name | Type | Identifier | Description | Constraints | |
|---|---|---|---|---|---|
| Input | Layer A | shapes, input | A | - | - |
| Layer B | shapes, input | B | - | - | |
| Output | 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 15 [-A] [-B ] [-RESULT ] [-SPLIT ] -A: Layer A shapes, input -B: Layer B shapes, input -RESULT: Difference shapes, output -SPLIT: Split Parts boolean Default: 1