Dilate node

This documentation is for version 2.1 of Dilate (net.sf.cimg.CImgDilate).

Description

Dilate (or erode) input stream by a rectangular structuring element of specified size and Neumann boundary conditions (pixels out of the image get the value of the nearest pixel).

A negative size will perform an erosion instead of a dilation.

Different sizes can be given for the x and y axis.

Uses the ‘dilate’ and ‘erode’ functions from the CImg library.

CImg is a free, open-source library distributed under the CeCILL-C (close to the GNU LGPL) or CeCILL (compatible with the GNU GPL) licenses. It can be used in commercial applications (see http://cimg.eu).

Inputs

Input	Description	Optional
Source		No
Mask		Yes

Controls

Parameter / script name	Type	Default	Function
Size / size	Integer	x: 1 y: 1	Width/height of the rectangular structuring element is 2*size+1, in pixel units (>=0).
Expand RoD / expandRoD	Boolean	On	Expand the source region of definition by 2*size pixels if size is positive
(Un)premult / premult	Boolean	Off	Divide the image by the alpha channel before processing, and re-multiply it afterwards. Use if the input images are premultiplied.
Invert Mask / maskInvert	Boolean	Off	When checked, the effect is fully applied where the mask is 0.
Mix / mix	Double	1	Mix factor between the original and the transformed image.