skin modifier + turbosmooth

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  06 June 2011
skin modifier + turbosmooth

Every now and then I'll be working on a project with a character rig, and when I put a turbosmooth on top of the stack for rendering, the skin will pretty much tear apart for those added verts, but only on random frames. Sometimes I can get rid of it by deleting the turbosmooth and putting a new one on the stack, but then it'll shred the mesh at some other point in the animation. I've had this happen once before and found that leaving isoline display off helped, but it's not on this time, so I'm not sure what's causing it.

Has anyone else had this problem who knows how to fix it?

  06 June 2011
Post a screenshot of your stack. You may also use MeshSmooth
  06 June 2011
Very odd, I have never seen this happen. I would love to see the screen grabs of the problem and the stack.
Paul Neale
  06 June 2011
I'll post a screen grab when I get home later tonight. I haven't tried a mesh smooth yet. If I had to describe it I would say that it looks like the verts added by the turbosmooth are being ignored by the skin, even though it's happening at the top of the stack.

One thing I forgot to mention that I just now realized, in both instances that this has happened to me there was a hair and fur modifier on the stack.

For the current scene the stack goes;

hair and fur
editable poly
  06 June 2011
do you by any chance have nurm subdivision turned on inside the edit poly level? because edit poly has its own "meshsmooth" inside it and it can be set to be active on render and not viewports.

so if this is the case.. you are skinning your model correctly on the base edit poly level, BUT at render time you have subdivision below the stack and that's an error because skin cant compensate for that.
Home Page
  06 June 2011
Have you tried using mesh smooth instead ( I know it is not optimal but it might fix it ).

Another thing you can try is save the skin weights and then reset your model, collapse-it to Editable poly and reset the X-form. Once all that is done re-apply the skin and load the skin weights I remember back at Red Rover I had meshes explode on me randomly and sometimes this solution helped.

Felipe Nogueira aka: PePeTD
Lead Technical Artist/Character TD
  06 June 2011
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