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    N00b needs help with spots

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    sketchup
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    • P Offline
      plasmid1
      last edited by

      I have spent a lot of time over this failure.
      It was made in 2 parts, the dunes and the village.Finally I combined them and rendered them with the default settings in Kerkythea. Along the intersection of there appeared these white spots.They become visible as soon as the meshes are formed, vary in both position and number according to light intensity and to rotation of the model.A friend suggested light-leakage but there was no change when i built a black box under the dunes.
      Rendered seperately spots were present at some intersections in village and dunes but the parts affected were clear until they were combined.
      What am I doing wrong?


      CASBAH FAILURE.jpg

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      • GaieusG Offline
        Gaieus
        last edited by

        Hi Plasmid,

        They indeed seem to be light leaks to me. Try to intersect the dunes with the buildings and also render with some higher preset.

        Gai...

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        • shuraS Offline
          shura
          last edited by

          Hi,
          As far as my knowledge goes in 98 out of 100 cases if you see these light spots it is not light leaking through geometry. Although everyone calls it "light leaks" it is rather an error in the calculation of the rays. It often happens in corners and where geometry intersects and in most cases with white or default material.
          Try not to use pure white, better a light grey, and experiment with higher quality presets.
          Never used Kerky though, but this happens in many render engines...
          cheers
          alex

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          • P Offline
            plasmid1
            last edited by

            Thanks for your feedback Gaius and Shura.
            Problem solved!
            I followed Shuras tip and added 10% blue to the white.
            My lame processor laboured full-out for 5 hours then delivered a
            spot-free picture. Excellent!

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            • shuraS Offline
              shura
              last edited by

              πŸ˜„

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