| Tool Name | Terrain Ruggedness Index (TRI) |
| Tool ID | 16 |
| Library ID | ta_morphometry |
| Version | 1.0 |
| Author(s) | O.Conrad (c) 2010 |
Please cite SAGA whenever you use it for your publications:
| Name | Type | Identifier | Description | Constraints |
|---|---|---|---|---|
| Input | ||||
| Elevation | grid, input | DEM | ||
| Output | ||||
| Terrain Ruggedness Index | grid, output | TRI | ||
| Options | ||||
| Search Mode | choice | MODE | Available Choices: [0] Square [1] Circle Default: 1 | |
| Search Radius | integer number | RADIUS | radius in cells | Minimum: 1 Default: 1 |
| 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 number | DW_IDW_POWER | Minimum: 0.000000 Default: 2 | |
| Bandwidth | floating point number | DW_BANDWIDTH | Bandwidth for exponential and Gaussian weighting | Minimum: 0.000000 Default: 75 |