Compound Basic Terrain Analysis

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

Description

A selection of popular parameters and objects to be derived from a Digital Terrain Model using standard settings. This one-step tool makes use of tools from the libraries:

ta_morphometry
ta_lighting
ta_preproc
ta_channels
ta_hydrology

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