Tool Morphological Filter

Morphological filter for grids. Dilation returns the maximum and erosion the minimum value found in a cell's neighbourhood as defined by the kernel. Opening applies first an erosion followed by a dilation and closing is a dilation followed by an erosion.

Author: O.Conrad (c) 2010
Menu: Grid|Filter

Parameters

	Name	Type	Identifier	Description	Constraints
Input	Grid	Grid, input	`INPUT`	-	-
Output	Filtered Grid (*)	Grid, output, optional	`RESULT`	-	-
Options	Grid System	Grid system	`PARAMETERS_GRID_SYSTEM`	-	-
	Method	Choice	`METHOD`	Choose the operation to perform.	Available Choices: [0] Dilation [1] Erosion [2] Opening [3] Closing Default: 0
	Kernel Type	Choice	`KERNEL_TYPE`	The kernel's shape.	Available Choices: [0] Square [1] Circle Default: 1
	Radius	Integer	`KERNEL_RADIUS`	cells	Minimum: 0 Default: 2
(*) optional

Command-line

Usage: saga_cmd grid_filter 8 [-INPUT <str>] [-RESULT <str>] [-METHOD <str>] [-KERNEL_TYPE <str>] [-KERNEL_RADIUS <num>]
  -INPUT:<str>        	Grid
	Grid, input
  -RESULT:<str>       	Filtered Grid
	Grid, output, optional
  -METHOD:<str>       	Method
	Choice
	Available Choices:
	[0] Dilation
	[1] Erosion
	[2] Opening
	[3] Closing
	Default: 0
  -KERNEL_TYPE:<str>  	Kernel Type
	Choice
	Available Choices:
	[0] Square
	[1] Circle
	Default: 1
  -KERNEL_RADIUS:<num>	Radius
	Integer
	Minimum: 0
	Default: 2