SAGA-GIS Module Library Documentation (v2.1.3)

Module Update

Updates features of layer A with the features of layer B, i.e. all features of layer B will be supplemented with the difference of layer A less layer B plus. It is assumed, that both input layers share the same attribute structure.
Uses the free and open source software library Clipper created by Angus Johnson.
Clipper Homepage
Clipper at SourceForge

Parameters

 NameTypeIdentifierDescriptionConstraints
InputLayer AShapes (input)A--
Layer BShapes (input)B--
OutputUpdateShapes (output)RESULT--
OptionsSplit PartsBooleanSPLITSet true if you want multipart polygons to become separate polygons.Default: 1

Command-line

Usage: saga_cmd shapes_polygons 18 -A <str> -B <str> [-RESULT <str>] [-SPLIT <str>]
  -A:<str>     	Layer A
	Shapes (input)
  -B:<str>     	Layer B
	Shapes (input)
  -RESULT:<str>	Update
	Shapes (output)
  -SPLIT:<str> 	Split Parts
	Boolean
	Default: 1