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 | - | - |
Channel Density | Integer | 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
Minimum: 1
Default: 5