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2 questions.... | Locked | |
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May 13 2009 Anchor | ||
Q 1."Maya does not support mirrored normal map." wht does it mean? Q 2:Before baking normal map frm high res object to low res object why the hard edges r kept a small distance? I know, it is to because avoid "the black lines"(i dunno why they show up.Can anyone explain)?But then it creats a problem for seamless texuring! Wht to do in this case???? |
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May 13 2009 Anchor | ||
Mirrored normal maps? Hardedges black lines are caused by missed rays, the angle is too steep or narrow for the rays to hit. To avoid all those problems , try baking with a LP mesh that has a proxy /sub-d modifier applied to it. Edited by: kimman-maniac |
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May 13 2009 Anchor | |
You can also toggle a shaded view of your uv's, any inverted uv's will show up as red as opposed to the normal colour of blue. It is possible to stack uv's of a similar shape. Say you have a screw that is used several times, the uv's can sit on top of each other and you will have no problems with your normal map. Another way to reduce the black lines is to seperate the uv's where you have a hard edge, but this is not always desireable. If you need to Mirror the normal map on a symmetrical model you can lay out the uv's as you normaly would, then when you want to bake your map either delete one half of the model or seperate the uv's down the center and move one half out of the way. Then you can revert the uv's to how they were before:) |
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