SAGA-GIS Module Library Documentation (v2.1.3)

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

Parameters

 NameTypeIdentifierDescriptionConstraints
InputInput gridGrid (input)ELEVATIONThis must be your input data of type grid.-
OutputSlopeGrid (output)SLOPEThis will contain your output data of type grid.-
AspectGrid (output)ASPECTThis will contain your output data of type grid.-
OptionsMethodChoiceMETHODChoose a methodAvailable 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