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exporting skin tones to .obj

Laer CarrollLaer Carroll Posts: 12
edited December 1969 in Daz Studio Discussion

I've exported a human figure from DAZ3D Studio to wavefront .obj & .mtl files. But the skin tones do not translate. Got any idea how I can fix this problem?

Here are the two images, the first as it looks in DS, the second in Render. Notice the warm skin tones now look gray.

http://shapechangers.files.wordpress.com/2013/12/snowy-in-daz3d-studio-cropped-resized1.jpg
http://shapechangers.files.wordpress.com/2013/12/snowy-in-render1.jpg

Comments

  • SimonJMSimonJM Posts: 5,997
    edited January 2014

    Not every nuance of skin textures, especially if they use more than the 'usual suspects' of diffuse, opacity and bump will get exported into the .mtl file.
    What the receiving application does with the values in the files is up to it, but I'd suspect you'll need, at least, a manual tweak of reflectivty or specular settings.

    Post edited by SimonJM on
  • Laer CarrollLaer Carroll Posts: 12
    edited January 2014

    True. You can see that in the clothing. But the clothing base color IS visible. The skin, however, looks like a casting in lead.

    Post edited by Laer Carroll on
  • JonnyRayJonnyRay Posts: 1,744
    edited December 1969

    It looks like the skin isn't getting the texture map. So you're just getting pure light reflections.

    Question about your goal ... is it to take the exported object / materials and combine them with assets from the other program and render them together? Or is it simply to render using a different engine than 3Delight?

    If it is the latter, you might try doing a render to the RIB file and see if the other rendering engine can accept that as input.

  • Laer CarrollLaer Carroll Posts: 12
    edited December 1969

    My purpose is to export it to a WebGL site. I've already done this for another file, a spaceplane image.

    https://sketchfab.com/show/1dce418a88fb4b62ab8b7ea97d3a35ce

    Here is an excerpt from the .mtl file. Don't know how useful it is.

    # define material for the skin of the face
    newmtl 1_SkinFace
    d 1 # transparency: opaque
    Kd 1 1 1 # diffuse color white
    # diffuse texture map for the face
    map_Kd "C:/Users/Larry/Documents/DAZ 3D/Studio/My Library/Runtime/textures/DAZ/Characters/MilWom/V5/V5BreeHeadM.jpg"

  • mjc1016mjc1016 Posts: 15,001
    edited December 1969

    If you didn't have the Collect maps option clicked when exporting, your texture files will not be in the correct place to be read from the mtl file...

    The mtl file is very basic in what it can do and if everything isn't in the proper place, it won't load the textures, just the default color, which is usually a shade of grey.

  • Laer CarrollLaer Carroll Posts: 12
    edited December 1969

    Thanks, mjc. That fixed the problem. I now have in addition to the .obj file an .mtl file and a Maps directory. When I read the obj into Autodesk's FBX Review everything looks right.

    (Though if I import it into Blender the maps are not read. But that's for the Blender community to check with.)

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