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Compositor - Masking - Mask Anti-Alias doesnt work sometimes
Closed, InvalidPublic


System Information
Ubuntu 17.04 - Cinnamon - GTX 1080

Blender Version
Broken: 06159e6a58

Short description of error
Antialiasing of masks sometimes doesnt work

Exact steps for others to reproduce the error

  1. Open Attached blend file
  2. toggle antialias on and off on the problem mask
  3. notice no difference
  4. change viewer node to the fine mask
  5. toggle antialias on and off
  6. notice anitaliasing working

Event Timeline

Can someone confirm this bug?

Aaron Carlisle (Blendify) lowered the priority of this task from 90 to Normal.
Sergey Sharybin (sergey) changed the task status from Unknown Status to Unknown Status.May 16 2017, 5:26 PM

Anti-aliasing happens from the outside side of the spline, which is actually happened to be an inner side of your "buggy" spline. Just switch direction of the spline and anti-alias will work fine.

Similar issue will happen with feather as well.

It is a but annoying, but it is how things currently work. Improvements are welcome, but they are happening outside of the bug tracker.

So thanks for the report, but closing it now.