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chat icon Subsurf rendering problems in 2.28

malefico

Posted: Tue Aug 26, 2003 11:25 pm
Joined: 14 Oct 2002
Posts: 156
Hi guys.

When rendering a mesh with subsurf activated a random number of black cells appear. It looks as if a mesh were superimposed to the subsurfed with its normals inverted, so you can see it here and there as a black wireframe.

It can be solved sometimes by increasing the level of subsurf or (obviously) by switching off the subsurf at all. (Or switching to 2.27 Wink )

I've heard of other people at the hispanic community at nicodigital having the same problem, both linux and windows.

Any other suffering soul here ?

(I'll upload a screenshot soon).

Cheers.

malefico.
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dreamsgate

Posted: Wed Aug 27, 2003 3:12 am
Joined: 17 Oct 2002
Posts: 126
Actually my last pic did that too, only my subsurf object had a white frame on it, it looked cool so I was only mildly annoyed at the time.
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harkyman

Posted: Wed Aug 27, 2003 12:23 pm
Joined: 18 Oct 2002
Posts: 271
I'm experiencing the same thing. Upping the subsurf level by 1 seems to clear it up, but I'd rather not have to do that. What gives?
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alltaken

Posted: Sat Aug 30, 2003 1:55 pm
Joined: 14 Oct 2002
Posts: 125
i belive its caused by face normals being different between two faces

therefore subsurf is soomthing thr colour between the wrong side of the faces.

i have never been able to overcome this issue really, its very annoying, i think that changing the face normals of the original mesh to face all the same way e.g. inwards/outwards then it should render fine.


Alltaken
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malefico

Posted: Mon Sep 01, 2003 3:07 am
Joined: 14 Oct 2002
Posts: 156
Quote:
i belive its caused by face normals being different between two faces


mmmm I don't think so. It doesn't happen with 2.27 (and previous) (same file) plus it's a very simple model to have normal crazyness (a cube actually ! Very Happy ).

Cheers.
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