Tool Convergence Index (Search Radius)
Convergence Index (Search Radius)
References
- Koethe, R. & Lehmeier, F. (1996): SARA - System zur Automatischen Relief-Analyse. User Manual, 2. Edition [Dept. of Geography, University of Goettingen, unpublished].
- Author: O.Conrad (c) 2003
- Menu: Terrain Analysis|Morphometry
Parameters
Name | Type | Identifier | Description | Constraints | |
---|---|---|---|---|---|
Input | Elevation | Grid, input | ELEVATION | - | - |
Output | Convergence Index | Grid, output | CONVERGENCE | - | - |
Options | Grid System | Grid system | PARAMETERS_GRID_SYSTEM | - | - |
Gradient | Boolean | SLOPE | - | Default: 0 | |
Difference | Choice | DIFFERENCE | - | Available Choices: [0] direction to the center cell [1] center cell's aspect direction Default: 0 | |
Radius [Cells] | Floating point | RADIUS | - | Minimum: 1.000000 Default: 10.000000 | |
Weighting Function | Choice | DW_WEIGHTING | - | Available Choices: [0] no distance weighting [1] inverse distance to a power [2] exponential [3] gaussian Default: 0 | |
Power | Floating point | DW_IDW_POWER | - | Minimum: 0.000000 Default: 2.000000 | |
Bandwidth | Floating point | DW_BANDWIDTH | Bandwidth for exponential and Gaussian weighting | Minimum: 0.000000 Default: 1.000000 |
Command-line
Usage: saga_cmd ta_morphometry 2 [-ELEVATION <str>] [-CONVERGENCE <str>] [-SLOPE <str>] [-DIFFERENCE <str>] [-RADIUS <double>] [-DW_WEIGHTING <str>] [-DW_IDW_POWER <double>] [-DW_BANDWIDTH <double>] -ELEVATION:<str> Elevation Grid, input -CONVERGENCE:<str> Convergence Index Grid, output -SLOPE:<str> Gradient Boolean Default: 0 -DIFFERENCE:<str> Difference Choice Available Choices: [0] direction to the center cell [1] center cell's aspect direction Default: 0 -RADIUS:<double> Radius [Cells] Floating point Minimum: 1.000000 Default: 10.000000 -DW_WEIGHTING:<str> Weighting Function Choice Available Choices: [0] no distance weighting [1] inverse distance to a power [2] exponential [3] gaussian Default: 0 -DW_IDW_POWER:<double> Power Floating point Minimum: 0.000000 Default: 2.000000 -DW_BANDWIDTH:<double> Bandwidth Floating point Minimum: 0.000000 Default: 1.000000