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    Unable to apply material

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    • D Offline
      diesellam
      last edited by

      Thanks for the prompt reply.
      I don't know about the ashade layer, it's in dwg file I received also.

      Actually, I have one more question.
      Is there a way in Sketchup or in the Vray plugin, that you can make the background as an alpha channel? I want to load the alpha channel easily in Photoshop to change to a sky image or gradient blue.

      Thanks in advance.

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      • GaieusG Offline
        Gaieus
        last edited by

        Not on Windows (in SU - I do not know about Vray but we have a dedicated subforum for that under the Extensions... Forum). The Mac has an option to export with alpha transparency. However you can export your image with some really weird colour background (say some stupid magenta) and change that colour to alpha in PS.

        If you had SU Pro, you could export a png with transparent background from LayOut. Your profile does not say if 7 is pro or free.

        Gai...

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        • thomthomT Offline
          thomthom
          last edited by

          @diesellam said:

          Is there a way in Sketchup or in the Vray plugin, that you can make the background as an alpha channel? I want to load the alpha channel easily in Photoshop to change to a sky image or gradient blue.

          Got to the VFB section and enable the Alpha channel.

          Note that if you enable the VFB channel and save in the PNG format the background becomes transparent in the Diffuse output as well. If you don't want this then save the output using some other format.

          Thomas Thomassen β€” SketchUp Monkey & Coding addict
          List of my plugins and link to the CookieWare fund

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          • D Offline
            diesellam
            last edited by

            Thanks for the reply. I'll give it a try right now.

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            • D Offline
              diesellam
              last edited by

              I tried your method: delete Sang and purge everything, then delete the jean blue material. After that, only certain elements can be applied, but most of the other element can't.

              What's the reason of it?

              See attached file, thanks.


              window glass-purged unused.skp

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              • TIGT Offline
                TIG Moderator
                last edited by

                You still have a material 'White' that is applied to some faces inside groups etc - Delete that as well so everything is 'Default' = NO material then retry applying new materials to groups/instances etc.
                Faces take any new material you give them as do the faces with groups/instances that have no material BUT if a face inside them has a material it will not change unless you manually edit the group down to the level of the face and change it's material there - the trick of deleting the material so it defaults to 'nil' is a quick way to fix this.

                Incidentally your model has some tiny component instances called 'direct' inside the main group that are causing its bounding-box to become very big - I suggest you delete these from the browser to tidy that up too...

                TIG

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                • D Offline
                  diesellam
                  last edited by

                  Cool. It works.
                  So the trick is to delete ALL of the material in the model tab under Material Editor.

                  When you said the model has some tiny component instances called 'direct' inside the main group that are causing its bounding-box to become very big.....how do you get rid/purge them? Under which editor?

                  Thanks once again. You guys have been very helpful.

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                  • D Offline
                    diesellam
                    last edited by

                    Now I don't know if this is a problem or not.
                    I tried to apply the Vray glass blue material to the elements.

                    They seem to be applied. But when I did a test rendering, the VRay buffer is all black, what's the reason of it?

                    Thanks in advance. See the attached file.


                    window glass-VRAY PROLBEM.skp

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                    • TIGT Offline
                      TIG Moderator
                      last edited by

                      @diesellam said:

                      Cool. It works.
                      So the trick is to delete ALL of the material in the model tab under Material Editor.
                      When you said the model has some tiny component instances called 'direct' inside the main group that are causing its bounding-box to become very big.....how do you get rid/purge them? Under which editor?
                      Thanks once again. You guys have been very helpful.

                      Find the component in the Component Browser > Model tab, select it and right-click over it's icon and Delete...

                      TIG

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                      • thomthomT Offline
                        thomthom
                        last edited by

                        @diesellam said:

                        Now I don't know if this is a problem or not.
                        I tried to apply the Vray glass blue material to the elements.

                        They seem to be applied. But when I did a test rendering, the VRay buffer is all black, what's the reason of it?

                        Thanks in advance. See the attached file.

                        What lights your scene?
                        And what VfSU version?

                        Thomas Thomassen β€” SketchUp Monkey & Coding addict
                        List of my plugins and link to the CookieWare fund

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                        • D Offline
                          diesellam
                          last edited by

                          version 1.05.30
                          I didn't setup any lights. I used the setting from the exercise file called:

                          Chairs-GI.skp

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