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    I have one question for Podium

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    • michaliszissiouM Offline
      michaliszissiou
      last edited by

      Well nickenzyme. This light leeks problem happens in other render engines too. Machine is trying to guess light bounces but geomerty (topology) doesn't help. Noisy preset doesn't have this problem (more unbiased), but takes much time and its difficult to stop it. So here are some noisy presets modified, try them. Being a multi-thread app, podium, works like this: 1 tread means 1 pass, 16 threads means 1x=16 passes. So copy these where presets are (I don't know were on a PC -mac user-), have fun.


      podiumNoisyPresets.zip

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      • olisheaO Offline
        olishea
        last edited by

        yeah michalis is correct. Try different presets first.....like quality etc before noisy because it's a lot slower.

        Imported geometry such as splines/polylines also cause these problems especially round arcs (as with your image).

        I hardly ever get these artifacts, so you should be able to solve this problem.

        Make sure your background is not completely white (try RGB: 245,245,245 for example) and that your default SU colours are not absolute white. (again try an off-white colour or you get problems and increased render time) also turn down your SU dark slider a bit, first image seems over exposed.

        You cannot compare vray to podium, they are completely different.

        If you ask me....these are very nice and polished images so I can't see vray being much better (IN THIS CASE). Maybe the materials are better here and there, there are more options but who cares? its still a nice image (and lets not even start talking about price)

        oli

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        • N Offline
          nickenzyme
          last edited by

          @michaliszissiou said:

          Well nickenzyme. This light leeks problem happens in other render engines too. Machine is trying to guess light bounces but geomerty (topology) doesn't help. Noisy preset doesn't have this problem (more unbiased), but takes much time and its difficult to stop it. So here are some noisy presets modified, try them. Being a multi-thread app, podium, works like this: 1 tread means 1 pass, 16 threads means 1x=16 passes. So copy these where presets are (I don't know were on a PC -mac user-), have fun.

          Thanks for your file. πŸ‘
          I will test them with new pics. πŸ˜‰

          Life is not about waiting for the storms to pass... It's about learning how to dance in the rain!

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          • N Offline
            nickenzyme
            last edited by

            @olishea said:

            yeah michalis is correct. Try different presets first.....like quality etc before noisy because it's a lot slower.

            Imported geometry such as splines/polylines also cause these problems especially round arcs (as with your image).

            I hardly ever get these artifacts, so you should be able to solve this problem.

            Make sure your background is not completely white (try RGB: 245,245,245 for example) and that your default SU colours are not absolute white. (again try an off-white colour or you get problems and increased render time) also turn down your SU dark slider a bit, first image seems over exposed.

            You cannot compare vray to podium, they are completely different.

            If you ask me....these are very nice and polished images so I can't see vray being much better (IN THIS CASE). Maybe the materials are better here and there, there are more options but who cares? its still a nice image (and lets not even start talking about price)

            Nice tips! πŸ‘

            I will test some new pics. πŸ˜†

            Life is not about waiting for the storms to pass... It's about learning how to dance in the rain!

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            • D Offline
              dylan
              last edited by

              Great looking renders πŸ‘

              http://dmdarchitecture.co.uk/

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              • S Offline
                sepo
                last edited by

                Seeing your render I could not resist but to rerender that oldie.

                http://img10.imageshack.us/img10/6513/sponza.jpg

                By sepo100 at 2009-10-20

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                • E Offline
                  Ecuadorian
                  last edited by

                  πŸ‘

                  -Miguel Lescano
                  Subscribe to my house plans YouTube channel! (30K+ subs)

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                  • N Offline
                    notareal
                    last edited by

                    @michaliszissiou said:

                    Here's a quick modeling, the left imported from SU to blender, (blender produces similar topology after a boolean operation), on the right a different topology without triangles (the good one). This, on the right, doesn't seem to cause these photon problems in render engines. That's why you should expect lighting problems near arcs. See this nice link, kerkythea has some similar problems there.
                    IMHO

                    Good tip. If SU could create proper edgeloops, that would help a lot with modelling too, or with KT internal subdivision feature.

                    Welcome to try [Thea Render](http://www.thearender.com/), Thea support | [kerkythea.net](http://www.kerkythea.net/) -team member

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                    • S Offline
                      sepo
                      last edited by

                      Ecuadorian ...not sure if it was directed to me but will say thank you anyway . πŸ˜„

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                      • S Offline
                        sepo
                        last edited by

                        Thanks man. All music to my ears πŸ˜‰

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                        • S Offline
                          sepo
                          last edited by

                          One for the road. πŸ˜‰

                          http://img35.imageshack.us/img35/8119/sponza1.jpg

                          By sepo100 at 2009-10-20

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                          • E Offline
                            Ecuadorian
                            last edited by

                            Yes, it was to you, Sid. πŸ˜„ You have just shown that it's up to the user to do things right. Artistic vision, and a deep knowledge of the tools you're using, are all very important. 😎

                            -Miguel Lescano
                            Subscribe to my house plans YouTube channel! (30K+ subs)

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                            • michaliszissiouM Offline
                              michaliszissiou
                              last edited by

                              Here's a quick modeling, the left imported from SU to blender, (blender produces similar topology after a boolean operation), on the right a different topology without triangles (the good one). This, on the right, doesn't seem to cause these photon problems in render engines. That's why you should expect lighting problems near arcs. See this nice link, kerkythea has some similar problems there.
                              http://forums.sketchucation.com/viewtopic.php?f=81&t=22695
                              IMHO


                              Picture 1.jpg

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