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View Full Version : ZBrush >>> Modo disp problem...

DorisDay
12-01-2006, 05:00 PM
I've been playing with displacement in Modo but seem to be getting ugly splitting on the mesh, the map is 2048 & is the highest quality ZB can output. The original mesh is 4.5 million polys & the Modo render is showing 4.5 million faces. I've rendered many times with different settings but can't seen to lose the lines & splitting or get the really fine details of the ZB model. I think I've tried everything but I'm still not getting the results I want...

Can anyone help???

Original ZB render (4.5million polys)...
http://www.aliendesignasylum.co.uk/3dworld/zb-render.jpg

Rubbish Modo render with no detail & ugly splits...
http://www.aliendesignasylum.co.uk/3dworld/disp-test.jpg
DorisDay
12-03-2006, 11:50 AM
31 views & nobody knows...:shrug:
Phil Lawson
12-03-2006, 01:22 PM
Is your base mesh subdivision surfaces (tab)?

Is there a command in Zbrush to smoothuvs?
DorisDay
12-03-2006, 03:52 PM
Yup SDS is on & the smooth UV option in ZB is on when the map was generated...
Phil Lawson
12-03-2006, 04:08 PM
k, What are your high and low values for the displacement map itself? and the displacement distance of the material?

Cheers.
bobakabob
12-15-2006, 01:01 PM
Following on from Phil's suggestion, even small changes in the levels can have a major impact on the model. There might also be an issue with the UV map. Did you generate it in Modo or Zbrush? In Lightwave I've found I get better results if I import an object without UVs into Zbrush, create a Morph target as a backup and generate Grouped UVs from the basic mesh. The UVs are then smoothed for subdivision. First time I tried displacements I had similar problems when I imported an object with UVs into Zbrush. I assumed creating a GUV map in Zbrush would overwrite pre-existing UVs.

You must have seen this on Zbrush Central, but in case you haven't:
http://www.zbrushcentral.com/zbc/showthread.php?t=40462

Great model by the way. You could bring out the tiny details by adding a Zbrush normal map in Modo.
DorisDay
12-16-2006, 05:27 PM
Hey guys thanks, sorry for the late reply, have not been around for a while, real life got in the way...

I'll play around a bit with UV's, it's not important as this was just a test really...

Good to see you Bob...
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