Module 05: Direct neighbours - slope and aspect
Simple neighbourhood analysis for grid cells.
- Zevenbergen, L.W. / Thorne, C.R. (1987):
'Quantitative analysis of land surface topography',
Earth Surface Processes and Landforms, 12: 47-56.
(c) 2003 by Olaf Conrad, Goettingen
email: oconrad@gwdg.de
- Author: Copyrights (c) 2003 by Olaf Conrad
- Specification: grid
- Menu: Garden|Introducing Module Programming
Parameters
| | Name | Type | Identifier | Description | Constraints |
|---|
| Input | Input grid | Grid (input) | ELEVATION | This must be your input data of type grid. | - |
| Output | Slope | Grid (output) | SLOPE | This will contain your output data of type grid. | - |
| Aspect | Grid (output) | ASPECT | This will contain your output data of type grid. | - |
| Options | Method | Choice | METHOD | Choose a method | Available Choices:
[0] Steepest gradient (first version)
[1] Steepest gradient (second version)
[2] Zevenbergen & Thorne
Default: 0 |
Command-line
Usage: saga_cmd garden_learn_to_program 4 [-ELEVATION <str>] [-SLOPE <str>] [-ASPECT <str>] [-METHOD <str>]
-ELEVATION:<str> Input grid
Grid (input)
-SLOPE:<str> Slope
Grid (output)
-ASPECT:<str> Aspect
Grid (output)
-METHOD:<str> Method
Choice
Available Choices:
[0] Steepest gradient (first version)
[1] Steepest gradient (second version)
[2] Zevenbergen & Thorne
Default: 0