Morphological Filter

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

Description

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.

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 number	`KERNEL_RADIUS`	cells	Minimum: 0 Default: 2

Command Line


Usage: saga_cmd grid_filter 8 [-INPUT ] [-RESULT ] [-METHOD ] [-KERNEL_TYPE ] [-KERNEL_RADIUS ]
  -INPUT:           Grid
	grid, input
  -RESULT:          Filtered Grid
	grid, output, optional
  -METHOD:
                         Method
                         	choice
                         	Available Choices:
                         	[0] Dilation
                         	[1] Erosion
                         	[2] Opening
                         	[3] Closing
                         	Default: 0
  -KERNEL_TYPE:     Kernel Type
	choice
	Available Choices:
	[0] Square
	[1] Circle
	Default: 1
  -KERNEL_RADIUS:   Radius
	integer number
	Minimum: 0
	Default: 2