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Software Discussion
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3D Studio Max
Weird problem
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12 Feb 2008hi so maybe youve seen my table i did in zbrush and imported to max but there is a weird thing on the renders.
its like a checker pattern but i dont know where it comes from it looks the same with our without bumpmap. or different materials
it doesnt even match up the vertex pattern so please help i've already have done this table 3 times and i dont want a to do it a 4th time
it doesnt have anything todo with the final gater settings i made a render in very high but nothing changed. -
13 Feb 2008I know that happens to some of our models here if we over smooth them. I couldn't tell you why though.
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13 Feb 2008Take the smooth off, add an edit_mesh modifier to the object, and in the edit_mesh settings, click "weld" (leave the threshold at its default value).
Then try meshsmoothing again
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13 Feb 2008there was actually no smooth on it but i tryed it anyway. but nothing changed so i thought that i chop the top of the table and insert another cylinder. but than i saw that it was the same problem then i put one with no smooth and it was the same so i figured that it has to do with the light.
actually it has todo with the shadows i used mental ray area maps that is the problem i raised the sample amount to 4000 but the artifacts are still visible.
i would really use raytraced but the shadows are too hard and it doesnt look realistic
is there a way to archive smooth shadows (maybe its possible with raytrace but i read in the help file that its not possible) -
13 Feb 2008Ok well it looks like a problem of importing geometry whose faces aren't welded together....so even though it imports as one large object, each face is a seperate element in the mesh (hence the little facets visible).
The welding option I wrote above would fix that problem...but if that's not the issue then I don't know what is.
To troubleshoot whether or not welding is the issue, go into face sub-object mode, select one of those faces on top and drag it around. If the face pulls the other faces around it, then that's not the problem. If the face moves on its own then that is the problem. -
Jonathan 480 posts20 Feb 2008I can't remember 100% right now, but there's some export options in Zbrush that need to be changed sometimes for Max and/or Maya, else the UVs maps and sometimes vertices go crazy, are renumbered, and a host of other stuff. Can't remember 100%, but hopefully that'll help at least a little. -
21 Feb 2008it turned out to be a area shadow map problem thingy. i solved it but the render time is now like 10000 times longer(
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