Flat Detection
- Author: O.Conrad (c) 2010
- Menu: Terrain Analysis | Preprocessing
Description
Identifies areas of connected cells sharing identical values. Connected cells can be searched by Neumann or Moore neighbourhood.
Parameters
| | Name | Type | Identifier | Description | Constraints |
|---|
| Input | DEM | grid, input | DEM | - | - |
| Output | No Flats | grid, output, optional | NOFLATS | - | - |
| Flat Areas | grid, output, optional | FLATS | - | - |
| Options | Grid System | grid system | PARAMETERS_GRID_SYSTEM | - | - |
| Flat Area Values | choice | FLAT_OUTPUT | - | Available Choices:
[0] elevation
[1] enumeration
Default: 0 |
| Neighbourhood | choice | NEIGHBOURHOOD | - | Available Choices:
[0] Neumann
[1] Moore
Default: 1 |
Command Line
Usage: saga_cmd ta_preprocessor 0 [-DEM ] [-NOFLATS ] [-FLATS ] [-FLAT_OUTPUT ] [-NEIGHBOURHOOD ]
-DEM: DEM
grid, input
-NOFLATS: No Flats
grid, output, optional
-FLATS: Flat Areas
grid, output, optional
-FLAT_OUTPUT: Flat Area Values
choice
Available Choices:
[0] elevation
[1] enumeration
Default: 0
-NEIGHBOURHOOD: Neighbourhood
choice
Available Choices:
[0] Neumann
[1] Moore
Default: 1