SoftMerge v1.6

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Contributor: Guillermo Algora
A Merge node that offers an edge transition function along the AB contact point, for every operation.
14.0, 13.2, 13.1, 13.0, 12.2, 12.1 or later
Linux, Mac, Windows
17 Mar 2023

This tool, which works with BlinkScript under the hood, was originally conceived to provide a softer merge for those operations that usually output a hard edge (for example, max, min, etc.), although it can be used for all the operations. I believe it can be quite useful and have many practical uses for different contexts (specially soft, out of focus keys / objects).

It works under four controls:

1) Edge transition: amount and direction.

2) Smooth the transition values, the linear progression, while preserving the RGB.

3) Smooth the RGB values within the transition area.

4) Generate an alpha channel representing the operation.

Please, share any feedback or feature requests. I will be working on some updates when possible.


  • v1.1: I am working on improving stability of the outward transition function, so it has been capped to just the inward direction function.
  • v1.2: Addressed fixes to the 'Generate Alpha' for some operations, plus some general fixes.
  • v1.3: Fixed a couple of expressions that were not working properly when duplicating the node, and a softer fade for the blur rgb function.
  • v1.4: Fixed an important bug in the 'Filler' node that was caused by illegal values.
  • v1.5/1.6: Stability fix to the bounding box management.


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