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