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    Vray render problem

    Scheduled Pinned Locked Moved V-Ray
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    • V Offline
      vignesh
      last edited by

      Hello,
      Recently i started noticing changes in my renderings,i am getting these spots and i have no clue how to deal with them.I looked through most of the topics here and still could not figure out a way in dealing with the same.Could this be a hardware issue,but then i tried on 2 different systems.
      Would sincerely appreciate your help.
      Vignesh

      http://i39.tinypic.com/xe511k.jpg

      http://i40.tinypic.com/11w9gnp.jpg

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      • V Offline
        valerostudio
        last edited by

        What version of V-Ray? How are those lights setup? Are they rectangular lights or an emitter material?

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        • V Offline
          vignesh
          last edited by

          Hello,
          The vray version is 1.48 and yes i am using rectangular lights.
          Looking forward for your help.

          @valerostudio said:

          What version of V-Ray? How are those lights setup? Are they rectangular lights or an emitter material?

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          • dkendigD Offline
            dkendig
            last edited by

            http://help.chaosgroup.com/vray/help/rhino/150R1/rectangularlight_params.htm

            try upping the subdivs:
            Subdivs - this value controls the number of samples V-Ray takes to compute lighting. Lower values mean more noisy results, but will render faster. Higher values produce smoother results but take more time. Note that the actual number of samples also depends on the DMC Sampler settings.

            Devin Kendig
            Developer

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            • V Offline
              valerostudio
              last edited by

              If you want to do a quick and test and get better results, I would suggest just increase the global subdivs under the DMC sampler. This will multiply all sudvis if you model by this number. It will increase render times though. Start off by trying 1.5 and then maybe go as high as 2.5 or 3.

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              • V Offline
                vignesh
                last edited by

                Thanks,but i have tried that earlier too.I am really worried where i am going wrong.
                After your suggestions,i tried doing the same(attached image).Please guide me as to where else i could be going wrong..
                Thanks
                Vignesh

                http://i39.tinypic.com/2uptmrs.jpg

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                • dkendigD Offline
                  dkendig
                  last edited by

                  you tried upping the light subdivs?

                  Devin Kendig
                  Developer

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                  • V Offline
                    valerostudio
                    last edited by

                    Yeah, do as Devin suggests and try the light subdivs first. The other thing is that you are 1.48 which is a pretty outdated version. Not sure if this would change things, but I would consider the upgrade to 2.0

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