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