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