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    Jean Prouvé - S.A.M. Tropique table - 1950

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    • massimoM Offline
      massimo Moderator
      last edited by

      And here you can see the fresnel effect in reflections on some aged plastic.
      fresnel effect.jpg
      Cattura.JPG

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      • Rich O BrienR Offline
        Rich O Brien Moderator
        last edited by

        You can definitely see the impact the roughness map has on the fingerprints. If find just the fresnel looks the best.

        Is the tweaking of the custom curve just a hit and miss affair? I can see the presets but is there info somewhere on this?

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        • massimoM Offline
          massimo Moderator
          last edited by

          @unknownuser said:

          I can see the presets but is there info somewhere on this?

          As far as I know for Thea you have just this at the moment. But of course you can find something searching on the net.

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          • Rich O BrienR Offline
            Rich O Brien Moderator
            last edited by

            Thanks for that.

            @everyone...

            sorry for spoiling this thread with meaningless banter that should occur over on the Thea forums

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            • massimoM Offline
              massimo Moderator
              last edited by

              Anyway the concept is basically that at a 0° deg angle you can see reflections coming from what you have in the reflectance slot, and at 90° deg angle you'll see reflections coming from what you have in the fresnel slot. Adjusting the curve you can change this transition/balance relating to the viewing angle (in the x axes you have the degrees). Here you have the same plastic with a different curve. As you can see the transition in reflections is more abrupt from 0° to 90° deg because the curve goes from 0° to 90° deg more drastically.
              fresnel.jpg
              Cattura.JPG

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              • Rich O BrienR Offline
                Rich O Brien Moderator
                last edited by

                How have you the Structure box in the same area as the Scatter box?

                Another off topic query.... 😒

                That explanation makes perfect sense.

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                • massimoM Offline
                  massimo Moderator
                  last edited by

                  @unknownuser said:

                  sorry for spoiling this thread with meaningless banter that should occur over on the Thea forums

                  Well I think that many rendering app (for example Vray & Maxwell) support something like that. So maybe interesting also for non-Thea users. 😄

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                  • massimoM Offline
                    massimo Moderator
                    last edited by

                    @rich o brien said:

                    How have you the Structure box in the same area as the Scatter box?

                    Another off topic query.... 😒

                    That explanation makes perfect sense.

                    Control + Left Click (on Layer/Scatter/Struct buttons). Merge layer/scattering/structure properties listed in a single panel.
                    Cattura.JPG

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                    • Rich O BrienR Offline
                      Rich O Brien Moderator
                      last edited by

                      Thanks Massimo.... 👍

                      Download the free D'oh Book for SketchUp 📖

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                      • B Offline
                        bytor
                        last edited by

                        I don't have any of these renderer's and I found this post most rewarding. Massimo - thanks so much for taking the time here to explain the detail in the material, and thanks for the model as well!

                        Find the Cost of Freedom.....

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                        • Rich O BrienR Offline
                          Rich O Brien Moderator
                          last edited by

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