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SU V-ray + Zbrush displacement?

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  • #1

    SU V-ray + Zbrush displacement?

    Hello all, has anyone tried using a displacement map generated by zbrush? Or is anyone using this odd combo of programs? I'm having a bit of difficuly getting the dispalcement maps from zbrush to show correctly, currently they morph the mesh beyond recognition, is anyone able to shed some light?

    Thanks!
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  • #2
    Re: SU V-ray + Zbrush displacement?

    I think I'm a bit too ambitious as a beginner but alas, I have to figure this out. If any of you experienced V-Ray users wants to give it a go I'd be very thankful!
    I tried to tweak everything but no luck.

    http://rapidshare.com/files/24591368...ptest.zip.html

    Thanks again.

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    • #3
      Re: SU V-ray + Zbrush displacement?

      Absolutely nobody wants to pitch in and give me a hand?

      ..

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      • #4
        Re: SU V-ray + Zbrush displacement?

        My personal opinion is that you will have no luck at all. SU does extremely poorly in terms of creating UV information and acknowledging it. So, in order for you to be able to adequately texture something in zBrush you will need solid, non overlapping UV coordinates, which, depending on the nature of your model, may be very hard to create. You will then need to export this UV information into a format which zBrush reads, and I don't think SU will export UVs...just the geometry. Unfortunately you can't set the UVs up in a separate program as any of file formates which SU imports (which are limited to 3ds...I don't think obj is supported) will not preserve any of the texture coordinates of the incoming file. So unless you find a way to get past needing solid texture coordinate I don't think you'll have much luck.
        Damien Alomar<br />Generally Cool Dude

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        • #5
          Re: SU V-ray + Zbrush displacement?

          Thank you very much for the reply!
          Zbrush can generate a couple of different UV layouts, I tired AUVtiles, exported the lowpoly mesh, exported the texture, generated the dispalcement map and after that used a 3rd party program to make it .3ds, now if I load the model in SU the texture is present, does that mean that the UV coords are there? I tried applying the displacement map but for some reason it looks like a crumbled piece of paper, i tried toning the disp settings a tad but no luck, I uploaded the new model in hopes that we can hopefully, atleast try to, sort this out. A million thanks again for your aid.

          http://rapidshare.com/files/246740925/x.zip.html

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          • #6
            Re: SU V-ray + Zbrush displacement?

            SU will only generate UV information if there is a texture applied to a given face. Unfortunately I believe that your UV info is basically lost at import because of this limitation. I'm really no SU expert, so that's about the best/most I can really offer. Maybe some of the SU gurus around here can give some pointers as to how you may be able to bring UV coordinates back in.
            Damien Alomar<br />Generally Cool Dude

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            • #7
              Re: SU V-ray + Zbrush displacement?

              Ah, I see, hopefully a SU "experimentalist" will see this and shed some light over the matter. If this works I'll be able to use this workflow and possibly others aswell.

              Thanks!

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              • #8
                Re: SU V-ray + Zbrush displacement?

                According to the guys at Sketchucation the UV is there, then why is the displacement acting up?

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