Tool Convergence Index

The convergence/divergence index.

References

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 of Geography, University of Goettingen, unpublished]

Author: O.Conrad (c) 2001
Menu: Terrain Analysis|Morphometry
WIKI: http://sourceforge.net/apps/trac/saga-gis/wiki/ta_morphometry_1

Parameters

	Name	Type	Identifier	Description	Constraints
Input	Elevation	Grid, input	`ELEVATION`	-	-
Output	Convergence Index	Grid, output	`RESULT`	-	-
Options	Grid System	Grid system	`PARAMETERS_GRID_SYSTEM`	-	-
	Method	Choice	`METHOD`	-	Available Choices: [0] Aspect [1] Gradient Default: 0
	Gradient Calculation	Choice	`NEIGHBOURS`	-	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