Tool Basic Terrain Analysis

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

Author: O.Conrad (c) 2005
Menu: Terrain Analysis

Parameters

	Name	Type	Identifier	Description	Constraints
Input	Elevation	grid, input	`ELEVATION`	-	-
Output	Analytical Hillshading	grid, output	`SHADE`	-	-
	Slope	grid, output	`SLOPE`	-	-
	Aspect	grid, output	`ASPECT`	-	-
	Plan Curvature	grid, output	`HCURV`	-	-
	Profile Curvature	grid, output	`VCURV`	-	-
	Convergence Index	grid, output	`CONVERGENCE`	-	-
	Closed Depressions	grid, output	`SINKS`	-	-
	Total Catchment Area	grid, output	`FLOW`	-	-
	Topographic Wetness Index	grid, output	`WETNESS`	-	-
	LS-Factor	grid, output	`LSFACTOR`	-	-
	Channel Network	shapes, output	`CHANNELS`	-	-
	Drainage Basins	shapes, output	`BASINS`	-	-
	Channel Network Base Level	grid, output	`CHNL_BASE`	-	-
	Channel Network Distance	grid, output	`CHNL_DIST`	-	-
	Valley Depth	grid, output	`VALL_DEPTH`	-	-
	Relative Slope Position	grid, output	`RSP`	-	-
Options	Grid System	grid system	`PARAMETERS_GRID_SYSTEM`	-	-
Options	Channel Density	integer number	`THRESHOLD`	Strahler 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 number
	Minimum: 1
	Default: 5