Thursday, September 2, 2010

Zbrush Pipeline

Been testing my Maya 2010 -> Vray 1.5 with Zbrush 4 pipeline. Results haven't been completely stellar but we are getting there. Typing out my solution to remember.

Model a standard polygon model in Maya and maintain quads. If there is a hole in the model. Go to Tool -> Geometry -> Crease

Subdivide once if geometry has triangles to turn model into a 100% quad model. Use this subdivided version as level 1 now if this has been done.

Now -
Tool -> UV Map -> Delete UV
Tool -> UV Map -> AUVTiles

Do you painting and export the lowest level mesh as .obj
Now go to your lowest level of the model and to create the displacement map

Tool -> Displacement Map (use adaptive and smooth UV options on)

Now in photoshop
Edit -> Color Settings -> Gray -> Gray Gamma 2.2
(If done right. The gray value in the background areas of that texture will be kept at 129.)
Image -> Image Rotation -> Flip Canvas Vertical

Now Save the file with options "As a Copy" & check the "ICC Profile: Gray Gamma 2.2"

Links below included a reply from Cgbeige -> this allows you to scale the model and have the displacement maps hold up.

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