SAGA-GIS Module Library Documentation (v2.1.3)

Module Convergence Index

Reference:
Koethe, R. & Lehmeier, F. (1996): SARA - System zur Automatischen Relief-Analyse. User Manual, 2. Edition [Dept. of Geography, University of Goettingen, unpublished]

Parameters

 NameTypeIdentifierDescriptionConstraints
InputElevationGrid (input)ELEVATION--
OutputConvergence IndexGrid (output)RESULT--
OptionsMethodChoiceMETHOD-Available Choices:
[0] Aspect
[1] Gradient
Default: 0
Gradient CalculationChoiceNEIGHBOURS-Available Choices:
[0] 2 x 2
[1] 3 x 3
Default: 0

Command-line

Usage: saga_cmd ta_morphometry 1 -ELEVATION <str> [-RESULT <str>] [-METHOD <str>] [-NEIGHBOURS <str>]
  -ELEVATION:<str> 	Elevation
	Grid (input)
  -RESULT:<str>    	Convergence Index
	Grid (output)
  -METHOD:<str>    	Method
	Choice
	Available Choices:
	[0] Aspect
	[1] Gradient
	Default: 0
  -NEIGHBOURS:<str>	Gradient Calculation
	Choice
	Available Choices:
	[0] 2 x 2
	[1] 3 x 3
	Default: 0