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davidf

Local Noise plugin (18th Oct 2012)

3 posts in this topic

Effects > Noise > Local Noise

This plugin is similar to Effects > Distort > Frosted Glass, but with a bit more control. It modifies each pixel based on the value of one or more pixels within a certain radius. The influential pixels can be restricted to the current selection (compare the bottom left to the bottom right image below) or biased towards closer points (top right).

local_noise.jpg

The parameters are:

Radius - The maximum distance for influential pixels.

Strength - The amount of influence; 50 means the current pixel is blended evenly with the influential pixel(s), 100 means the current pixel value is ignored.

Coverage - the percent chance of a pixel being altered.

Use points - method for choosing influential pixels. "Within radius" picks a point up to that distance away; "within radius and selection" is the same but only uses points inside the current selection; "anywhere in selection" ignores the radius and just picks a point inside the current selection; "anywhere in image" picks any point in the picture.

Number of points to blend - the number of influential points (RGB values are averaged). Higher values give a smoother effect.

Distance bias - higher values increase the likelihood of an influential point being close to the current point. (This number of points is generated and only the closest one is kept, so a value of 1 means the points are evenly distributed - see top right image above). This parameter is only used if use points is set to something that mentions a radius.

Plugin number two!

Download: LocalNoise.zip

Edited by davidf
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I like this! - thank you for sharing. :)

(You got to grips with those random numbers pretty quickly ;))

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