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The Problem:

I'm attempting to adapt one of my vector-based characters to a 3d format for animation. This character, being a vector drawing usually, has big clean lines and cell shading.

Notice though that there is line flickering around the armpits and sometimes in the head region.

https://youtu.be/e2QG7gkwFtg


Attempted solutions:

I've attempted to solve this by using Face Smoothness settings, Chaining, and Min 2d (20), but no change on this.


Other examples:

I've looked at some other examples, which are mostly anime, and it seems that the drawings are complex enough where the issue I point out is not noticed (ie, many lines, nobody cares about flickering because its lost in the complexity) but with a character like this perfection is needed.

Any advice or is this an official limitation of Freestyle? I am not against custom scripting (I do python) if someone cares to tell me what angle I might approach this from.

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  • $\begingroup$ To note, it can happen that the freestyle lines will render far off where it shouldn't be drawing, which is annoying. $\endgroup$ – Bradman175 Jul 27 '16 at 23:56
  • $\begingroup$ I don't have my computer right now, but you could temporarily fix it by lengthening the freestyle line to draw further then it thinks it needs to draw. $\endgroup$ – Bradman175 Jul 28 '16 at 0:04
  • $\begingroup$ I might be a step closer through using the simplification geometry modifier. Rendering a new animation now. $\endgroup$ – Pipsqweek Jul 28 '16 at 0:05
  • $\begingroup$ Seems like no one know how to fix the inaccuracies of freestyle. $\endgroup$ – Bradman175 Aug 10 '16 at 3:27
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I had the same problem and my solution was to turn every options in the Freestyle line set panel off except the first 3(silhouette, border contour). These settings have the least flicker problem and remain consistent through the shot.

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