SAGA-GIS Tool Library Documentation (v7.8.2)

Tool Basic Terrain Analysis

A selection of basic parameters and objects to be derived from a Digital Terrain Model using standard settings.

Parameters

 NameTypeIdentifierDescriptionConstraints
InputElevationGrid, inputELEVATION--
OutputAnalytical HillshadingGrid, outputSHADE--
SlopeGrid, outputSLOPE--
AspectGrid, outputASPECT--
Plan CurvatureGrid, outputHCURV--
Profile CurvatureGrid, outputVCURV--
Convergence IndexGrid, outputCONVERGENCE--
Closed DepressionsGrid, outputSINKS--
Total Catchment AreaGrid, outputFLOW--
Topographic Wetness IndexGrid, outputWETNESS--
LS-FactorGrid, outputLSFACTOR--
Channel NetworkShapes, outputCHANNELS--
Drainage BasinsShapes, outputBASINS--
Channel Network Base LevelGrid, outputCHNL_BASE--
Channel Network DistanceGrid, outputCHNL_DIST--
Valley DepthGrid, outputVALL_DEPTH--
Relative Slope PositionGrid, outputRSP--
OptionsGrid SystemGrid systemPARAMETERS_GRID_SYSTEM--
Channel DensityIntegerTHRESHOLDStrahler order to begin a channel.Minimum: 1
Default: 5

Command-line

Usage: saga_cmd ta_compound 0 [-ELEVATION <str>] [-SHADE <str>] [-SLOPE <str>] [-ASPECT <str>] [-HCURV <str>] [-VCURV <str>] [-CONVERGENCE <str>] [-SINKS <str>] [-FLOW <str>] [-WETNESS <str>] [-LSFACTOR <str>] [-CHANNELS <str>] [-BASINS <str>] [-CHNL_BASE <str>] [-CHNL_DIST <str>] [-VALL_DEPTH <str>] [-RSP <str>] [-THRESHOLD <num>]
  -ELEVATION:<str>  	Elevation
	Grid, input
  -SHADE:<str>      	Analytical Hillshading
	Grid, output
  -SLOPE:<str>      	Slope
	Grid, output
  -ASPECT:<str>     	Aspect
	Grid, output
  -HCURV:<str>      	Plan Curvature
	Grid, output
  -VCURV:<str>      	Profile Curvature
	Grid, output
  -CONVERGENCE:<str>	Convergence Index
	Grid, output
  -SINKS:<str>      	Closed Depressions
	Grid, output
  -FLOW:<str>       	Total Catchment Area
	Grid, output
  -WETNESS:<str>    	Topographic Wetness Index
	Grid, output
  -LSFACTOR:<str>   	LS-Factor
	Grid, output
  -CHANNELS:<str>   	Channel Network
	Shapes, output
  -BASINS:<str>     	Drainage Basins
	Shapes, output
  -CHNL_BASE:<str>  	Channel Network Base Level
	Grid, output
  -CHNL_DIST:<str>  	Channel Network Distance
	Grid, output
  -VALL_DEPTH:<str> 	Valley Depth
	Grid, output
  -RSP:<str>        	Relative Slope Position
	Grid, output
  -THRESHOLD:<num>  	Channel Density
	Integer
	Minimum: 1
	Default: 5