Tool Name	Morphological Filter
Tool ID	8
Library ID	grid_filter
Version	1.0
Author(s)	O.Conrad (c) 2010

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
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