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    I could use some help....

    Scheduled Pinned Locked Moved V-Ray
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    • thomthomT Offline
      thomthom
      last edited by

      %? Are you sure that wasn't the CPU usage? How many MegaBytes does it use?

      As for the displacement, try to disable it and see if you can render larger then.

      @zsguerreiro said:

      about the light, where do i find this exposure feature?

      It's under the Camera setting. You adjust the image as you would with a real world photo camera.

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

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      • Z Offline
        zsguerreiro
        last edited by

        Yes, i'm sure it's the memory, i just tried it again and this time was around 65%, cpu usage was on 92%..without displacements i know everything goes ok...but this shouldn't happen should it?

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        • thomthomT Offline
          thomthom
          last edited by

          But how much in Megabytes?

          And did you try to disable Displacement?

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

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          • Z Offline
            zsguerreiro
            last edited by

            i've been trying some different resolutions, and for 800x600 the cpu is on 100% and MEMORY on 72%(2.91mb) and usually i get the render done.
            for 1024x768 cpu is also on 100% and MEMORY on 73%(2.94GB) and it crashes
            i used the exact scene for both of them
            this is the error i get:
            Problem Event Name: APPCRASH
            Application Name: SketchUp.exe
            Application Version: 6.0.1099.0
            Application Timestamp: 46ddd44e
            Fault Module Name: VRayForSketchUp.so
            Fault Module Version: 0.0.0.0
            Fault Module Timestamp: 46451428
            Exception Code: c0000005
            Exception Offset: 00342c62
            OS Version: 6.1.7137.2.0.0.256.1

            sample of the scene i was rendering:

            http://i38.tinypic.com/29m11ex.jpg

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            • Z Offline
              zsguerreiro
              last edited by

              about the displacement, turning it off will get the renders done.

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              • thomthomT Offline
                thomthom
                last edited by

                Ok.
                Since Sketchup is a 32bit application you run into the 32bit memory limit. An 32bit application can not address a continuous chunk of memory larger than 2-3GB. When you experience that you must either reduce memory usage, or render to VrImage.
                When the problem occurs with displacement, sub-divide the faces you have applied the displacement to. Start with the largest. That allow V-Ray to work on smaller chunks.

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

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                • thomthomT Offline
                  thomthom
                  last edited by

                  Is it the roof that's displaced in your render?

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

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                  • Z Offline
                    zsguerreiro
                    last edited by

                    in that scene i'm trying to render, yes. plus some grass, but not so much. i'm working with windows 7 64bits, so i don't know if the limit is valid here.

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                    • thomthomT Offline
                      thomthom
                      last edited by

                      @zsguerreiro said:

                      in that scene i'm trying to render, yes. plus some grass, but not so much. i'm working with windows 7 64bits, so i don't know if the limit is valid here.

                      Limit is still valid because Sketchup is not 64bit. Sketchup is 32bit so it will always be restrained by 32bit limits, regardless of the host OS.

                      Grass, yes - that often makes you run into the limit as the areas tend to be quite large.

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

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                      • thomthomT Offline
                        thomthom
                        last edited by

                        In regard to the grass: I recommend you add the grass in post. Photoshop the grass into the render. Looks much better than displaced grass which only consumes lots of resources.

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

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                        • Z Offline
                          zsguerreiro
                          last edited by

                          but as you can see in the image sample, it's not that much grass that is in the scene...is this normal? is there anyway i can override that memory limit?
                          this is a small project, i think this shouldn't happen, what happens if i'm doing a bigger one?
                          also i'm thinking of changing my quadro fx 570 256mb to a gfx295 1gb(1800 something), do you think will do any good?

                          thanks for your patience and advices

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                          • thomthomT Offline
                            thomthom
                            last edited by

                            @zsguerreiro said:

                            but as you can see in the image sample, it's not that much grass that is in the scene...

                            Enough to hit the limit - as you can see since disabling Displacements let you finish the render.

                            @zsguerreiro said:

                            is there anyway i can override that memory limit?

                            No. 32bit will never be able to address more.

                            @zsguerreiro said:

                            also i'm thinking of changing my quadro fx 570 256mb to a gfx295 1gb(1800 something), do you think will do any good?

                            No - not for V-Ray. It only used the CPU. The GPU only matters for Sketchup.

                            Did you try to split the displaced faces into smaller faces?

                            As an example for doing grass in post - look at Free Agent's render. He only uses a plain green colour for the grass and adds the real stuff in post. Looks much better than displaced grass - which just looks like lots of spikes.
                            http://forums.sketchucation.com/viewtopic.php?f=81&t=20736#p174073
                            http://forums.sketchucation.com/viewtopic.php?f=81&t=20026#p166435
                            http://forums.sketchucation.com/viewtopic.php?f=81&t=18928#p155159
                            http://forums.sketchucation.com/viewtopic.php?f=81&t=17134#p136253
                            http://forums.sketchucation.com/viewtopic.php?f=81&t=18707#p152619
                            Look further down in these threads to see the raw render from V-Ray.

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

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                            • Z Offline
                              zsguerreiro
                              last edited by

                              again thanks for the reply and advices, my problem is that i don't know anything about photoshop, you know any kind of tutorials regardings this line of work?

                              regards

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