SAGA-GIS Tool Library Documentation (v7.3.0)

Tool Geomorphons

This tool derives so called geomorphons, which represent categories of terrain forms, from a digital elevation model using a machine vision approach.


References


Parameters

 NameTypeIdentifierDescriptionConstraints
InputElevationGrid (input)DEM--
OutputGeomorphonsGrid (output)GEOMORPHONS--
OptionsGrid systemGrid systemPARAMETERS_GRID_SYSTEM--
Threshold AngleFloating pointTHRESHOLDFlatness threshold angle (degrees).Minimum: 0.000000
Default: 1.000000
Radial LimitFloating pointRADIUS-Minimum: 0.000000
Default: 10000.000000
MethodChoiceMETHOD-Available Choices:
[0] multi scale
[1] line tracing
Default: 1
Multi Scale FactorFloating pointDLEVEL-Minimum: 1.250000
Default: 3.000000

Command-line

Usage: saga_cmd ta_lighting 8 [-DEM <str>] [-GEOMORPHONS <str>] [-THRESHOLD <double>] [-RADIUS <double>] [-METHOD <str>] [-DLEVEL <double>]
  -DEM:<str>         	Elevation
	Grid (input)
  -GEOMORPHONS:<str> 	Geomorphons
	Grid (output)
  -THRESHOLD:<double>	Threshold Angle
	Floating point
	Minimum: 0.000000
	Default: 1.000000
  -RADIUS:<double>   	Radial Limit
	Floating point
	Minimum: 0.000000
	Default: 10000.000000
  -METHOD:<str>      	Method
	Choice
	Available Choices:
	[0] multi scale
	[1] line tracing
	Default: 1
  -DLEVEL:<double>   	Multi Scale Factor
	Floating point
	Minimum: 1.250000
	Default: 3.000000