Module Vector Ruggedness Measure (VRM)
- Author: O.Conrad (c) 2010
- Specification: grid
- Menu: Terrain Analysis|Morphometry
Parameters
| Name | Type | Identifier | Description | Constraints |
Input | Elevation | Grid (input) | DEM | - | - |
Output | Vector Terrain Ruggedness (VRM) | Grid (output) | VRM | - | - |
Options | Radius (Cells) | Integer | RADIUS | - | Minimum: 1 Default: 1 |
Weighting | Parameters | WEIGHTING | - | 4 Parameters: - 1. Available Choices: [0] no distance weighting [1] inverse distance to a power [2] exponential [3] gaussian weighting Default: 0 - 2. Minimum: 0.000000 Default: 1.000000 - 3. Default: 1 - 4. Minimum: 0.000000 Default: 1.000000
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Command-line
Usage: saga_cmd ta_morphometry 17 -DEM <str> [-VRM <str>] [-RADIUS <num>] [-DISTANCE_WEIGHTING_DW_WEIGHTING <str>] [-DISTANCE_WEIGHTING_DW_IDW_POWER <str>] [-DISTANCE_WEIGHTING_DW_IDW_OFFSET <str>] [-DISTANCE_WEIGHTING_DW_BANDWIDTH <str>]
-DEM:<str> Elevation
Grid (input)
-VRM:<str> Vector Terrain Ruggedness (VRM)
Grid (output)
-RADIUS:<num> Radius (Cells)
Integer
Minimum: 1
Default: 1
-DISTANCE_WEIGHTING_DW_WEIGHTING:<str> Weighting Function
Choice
Available Choices:
[0] no distance weighting
[1] inverse distance to a power
[2] exponential
[3] gaussian weighting
Default: 0
-DISTANCE_WEIGHTING_DW_IDW_POWER:<str> Inverse Distance Weighting Power
Floating point
Minimum: 0.000000
Default: 1.000000
-DISTANCE_WEIGHTING_DW_IDW_OFFSET:<str> Inverse Distance Offset
Boolean
Default: 1
-DISTANCE_WEIGHTING_DW_BANDWIDTH:<str> Gaussian and Exponential Weighting Bandwidth
Floating point
Minimum: 0.000000
Default: 1.000000