Sink Removal
- Author: O. Conrad (c) 2001
- Menu: Terrain Analysis | Preprocessing
Description
Sink removal.
Parameters
| Name | Type | Identifier | Description | Constraints | |
|---|---|---|---|---|---|
| Input | DEM | grid, input | DEM | Digital Elevation Model that has to be processed | - |
| Sink Route | grid, input, optional | SINKROUTE | - | - | |
| Output | Preprocessed DEM | grid, output, optional | DEM_PREPROC | Preprocessed DEM. If this is not set changes will be stored in the original DEM grid. | - |
| Options | Grid System | grid system | PARAMETERS_GRID_SYSTEM | - | - |
| Method | choice | METHOD | - | Available Choices: [0] Deepen Drainage Routes [1] Fill Sinks Default: 1 | |
| Threshold | boolean | THRESHOLD | - | Default: 0 | |
| Threshold Height | floating point number | THRSHEIGHT | The maximum depth to which a sink is considered for removal. | Minimum: 0.000000 Default: 100.000000 | |
| Epsilon | floating point number | EPSILON | Difference in elevation used to create non-flat gradient conserving filled/carved surfaces. | Minimum: 0.000000 Default: 0.001000 |
Command Line
Usage: saga_cmd ta_preprocessor 2 [-DEM] [-SINKROUTE ] [-DEM_PREPROC ] [-METHOD ] [-THRESHOLD ] [-THRSHEIGHT ] [-EPSILON ] -DEM: DEM grid, input -SINKROUTE: Sink Route grid, input, optional -DEM_PREPROC: Preprocessed DEM grid, output, optional -METHOD: Method choice Available Choices: [0] Deepen Drainage Routes [1] Fill Sinks Default: 1 -THRESHOLD: Threshold boolean Default: 0 -THRSHEIGHT: Threshold Height floating point number Minimum: 0.000000 Default: 100.000000 -EPSILON: Epsilon floating point number Minimum: 0.000000 Default: 0.001000