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October 4th, 2007
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#1 (permalink) |
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Moderator
Join Date: Dec 2004
Location: Salt Lake City, Utah
Age: 30
Posts: 1,184
Name: Tim Saunders    |
Top / Bottom Material
I have 2 stucco colors I want to put on some walls. I can only see the top color. To test it, I can apply the mat to spheres, teapots & toruses and it works fine. But, any time I put it on n object with a straight edge like a wall, a box, or even a cone, it only shows one color. What's up with that?
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October 4th, 2007
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#2 (permalink) |
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Veteran Member
Join Date: Mar 2005
Location: USA
Age: 35
Posts: 572
Name: Gary Allison |
Re: Top / Bottom Material
I tried it just like you did but in max and I'm getting the same results. Works fine on a teapot and torus, but no go on a box. I thought it might just need a UVW mapping modifier or a different material ID...but I can't get anything to work on a straight surface.
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October 5th, 2007
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#3 (permalink) |
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Member
Join Date: Dec 2005
Location: Bulgaria
Age: 34
Posts: 35
Name: Milko Vasilev  |
Re: Top / Bottom Material
""The object's top faces are those whose normals point up. The bottom faces have normals that point down. You can choose whether "up" and "down" refer to the scene's world coordinates or to the object's local coordinates.""
In your box all side faces are with one normal pointing at 90 degrees in world coordinates.  In cone situation is the same, but all side polys are with normals pointing up. Last edited by ameo; October 5th, 2007 at 06:23 AM. |
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October 5th, 2007
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#4 (permalink) |
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Moderator
Join Date: Dec 2004
Location: Salt Lake City, Utah
Age: 30
Posts: 1,184
Name: Tim Saunders |
Re: Top / Bottom Material
Local still doesn't work on straight walls. I'll just go back to my old method of using a white and black mask map used on a blend material.
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October 5th, 2007
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#5 (permalink) |
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Member
Join Date: Dec 2005
Location: Bulgaria
Age: 34
Posts: 35
Name: Milko Vasilev |
Re: Top / Bottom Material
No matter local or world coordinates, all side faces have same normal from Z origin (90 degrees) and will be with same material (top or bottom), you cannot use this material in your case.
Last edited by ameo; October 5th, 2007 at 08:54 AM. |
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