Ever need to do a distortion on an image (as seen though glass or ice etc) but the distortion matte is too fine - and blurring just makes it too liquid?
I developed this macro so that instead of the above you can blur an image - quantize it to reduce levels, and use this as the basis of the distortion map. It gives sharper - and better defined edges in the distortion than blurring etc will.
Input source as RGBA, A, or use a built in lumakey
use the PreBlur on the image, and set levels, view alpha.
Use postBlur to soften the map if required.
Also has a 'diffBlur' and 4 'diff' outputs - here you use a 2nd or more quantize node(s) and these tools to create a 'fringing' matte so additional distortions, or grades can be applied to other areas.
Of course it can also be used just as a simple levels tool for a colour image which - yes I know, should probably be called posturizing.
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Please use the Feature Requests to give me ideas.
Please use the Support Forum if you have any questions or problems.
Please rate and review in the Review section.
