Basic Terrain Analysis
- Author: O.Conrad (c) 2005
- Menu: Terrain Analysis
Description
A selection of basic parameters and objects to be derived from a Digital Terrain Model using standard settings.
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 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