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Smoothing groups problem
show user profile  SKid
I'm trying to understand smoothing groups.

How do I avoid those lines, forming due to Tris?

read 805 times
6/18/2011 1:20:23 PM (last edit: 6/18/2011 1:24:42 PM)
show user profile  mrgrotey
My first thought is that the front faces arent flat.

if they are flat then its because you cant have all those faces at very different angles and give them all the same smoothing group,, its too much for the smoothing groups to handle. give the fron faces one smoothing group, the left faces sides another group, the top faces sides another group .etc

if you want a smoother edged appearance them you'll have to chamfer the edges. (or even better make a high poly version of the object and extract the normals from it and use a normal map (this is how its done professionally).


read 795 times
6/18/2011 1:34:59 PM (last edit: 6/18/2011 1:35:45 PM)
show user profile  K-tonne
it's just the hidden edges complaining about being forced to be such long tri strips
compensate by making the polys squarer, though this will add several more polys to the mesh
of course as Mr G has already said- smoothing groups will help to get rid of this too and is probably the best option if polycount is an issue

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read 784 times
6/18/2011 2:43:44 PM (last edit: 6/18/2011 2:43:44 PM)
show user profile  SKid
Thanks for your replies.
Sorry, that i didn't mentioned before,that, this is the lowpoly model of my highpoly.
Those lines appear in Normal map, minor lines could be covered in textures, but lines like these are bit extreme.

The top faces are the ones causing this problem

Here, I applied 1 smoothing group to all faces, except the top.
And it smooths fine.
How should I smooth the top face?....I've tried using different smoothing groups, but it still keeps that hard edge.
read 748 times
6/19/2011 8:00:43 AM (last edit: 6/19/2011 8:02:51 AM)
show user profile  Mr.Burns
You really should chamfer the edges a little bit, it'll give you a much nicer result.
read 739 times
6/19/2011 11:02:22 AM (last edit: 6/19/2011 11:02:22 AM)
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