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 of Geography, University of Goettingen, unpublished]
- Author: O.Conrad (c) 2001
- Specification: grid
- 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 | 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