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    Shadows do not show in V-ray render, why?

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    • thomthomT Offline
      thomthom
      last edited by

      I'm guessing you're using the original version. That version has a bug in it so the V-Ray sun isn't updated with the SU sun automatically. You have to go to the Environment section, click the M to view the properties for the Sun abd click Update. (Note, I some times had to do this procedure two times before it set.)

      In SR1.0 it syncs automatically.

      In SR1.5 the V-Ray sun is off by default so you have to tell V-Ray to use it when you start a new project.

      As you see, the answer depends on the version you use, so it's a good idea to include that in your queries. As well as SU version.

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

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      • S Offline
        shubba81
        last edited by

        I am using sketchup 7 with the latest vray plugin (SR1.5 I think). I have gone into the environment and in GI sky and backgroung clicked on the M and gone in and updated them, but my shadows still do not show. I have then gone in and checked the box that says override suns parameters but this doesnt work either. The sunlight source is set to default but there is nothing else that I can set this to.

        Sorry if im being a bit stupid.

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        • thomthomT Offline
          thomthom
          last edited by

          hm.. can you post screenshot of your scene as it's rendered? and your environment options?

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

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          • S Offline
            shubba81
            last edited by

            Hi, I have attached my latest render, a print screen of wat the shadows look like on screen in SU, and the environment settings for both the GI skylight and the background. I hope this is helpful, thanks for all the help.


            latest render.jpg

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            • S Offline
              shubba81
              last edited by

              For some reason the didnt all attach so here they are hopefully


              Enviroment background.JPG

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              • S Offline
                shubba81
                last edited by

                sorry about this


                Environmet GI skylight.JPG

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                • S Offline
                  shubba81
                  last edited by

                  Screen shot of shadows


                  print screen.JPG

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                  • thomthomT Offline
                    thomthom
                    last edited by

                    You shouldn't need any multiplied of the Sky map.

                    I'm wondering, it could be the time of the day. What if you change the time of say in SU?

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

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                    • A Offline
                      arspi
                      last edited by

                      Maybe this...


                      Vray settings.jpg

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                      • S Offline
                        shubba81
                        last edited by

                        I changed the time of day and I also did what arspi suggested, it seems to have worked. Thanks to you both.

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                        • M Offline
                          mradfar
                          last edited by

                          I have the same problem but when I did the following steps, did not solve my problem! any idea?

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                          • S Offline
                            syd_rawsky
                            last edited by

                            I'm having the same issue, but I only got the newest V-ray and I'm not familar with the last layout. I've attached an image, you can see the shadows casted in the sketchup model, but for some reason its not showing in the V-ray buffer. I've even tried buffering the entire scene, and nothing. Please help!


                            sunlight issue

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                            • D Offline
                              dengalit
                              last edited by

                              Same here with Vray 3.6

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