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    HDRI Light splotches problem

    Scheduled Pinned Locked Moved V-Ray
    renderpluginsextensions
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    • G
      gianfranco_bm
      last edited by

      Hi everyone, I thought I was already getting a handle on HDRIs, but when I found the right one for my scene, I got these light splotches. When rotating the HDRI (both in GI and BG) the splotches move. I was wondering if it's necessary to make a blurred copy of the original HDRI and use it for the GI. Or is there any other easier solution? Thx!

      Vray version: 2.00.25244
      Sketchup 2015

      http://s11.postimg.org/y0l4tkg3n/RINCONADA_V1b.jpg

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      • V
        valerostudio
        last edited by

        Do not use an HDRI in your GI or BG. In 2.0 you have to create a dome light. This will fix the problem.

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        • olisheaO
          olishea
          last edited by

          Kinda looks cool though! Sorry for the lack of constructive input haha

          oli

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          • majidM
            majid
            last edited by

            If you are using HDR images, make a small blurred copy and also increase the HS subdivide to let me say 50 or more

            My inspiring A, B, Sketches book: https://sketchucation.com/shop/books/intermediate/2612-alphabet-inspired-sketches--inspiring-drills-for-architects--3d-artists-and-designers-

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            • G
              gianfranco_bm
              last edited by

              @valerostudio said:

              Do not use an HDRI in your GI or BG. In 2.0 you have to create a dome light. This will fix the problem.

              Thanks, I hadn't seen that video. I think in it, they forget to mention to turn off/delete the HDRI in the GI and BG, but it is as you say. Problem solved πŸ‘

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              • V
                valerostudio
                last edited by

                @majid said:

                If you are using HDR images, make a small blurred copy and also increase the HS subdivide to let me say 50 or more

                This is a good trick if you are not using 2.0. But I would say, moving forward with VR2, all HDRIs should be used with a dome light. You will not need the extra subdivs on your IR map. If you have a lot of noise in the image, increase the subdivs of the dome light.

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                • R
                  rv1974
                  last edited by

                  It was recommended million times:
                  check sub-pixel mapping and clamp output;
                  uncheck reflective caustics.

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