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    V-ray rendering problem

    Scheduled Pinned Locked Moved V-Ray
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    • eidam655E Offline
      eidam655
      last edited by

      yes, i am using 1.49.01, see my signature πŸ˜„

      i asked for your configuration because i thought that the memory insufficiency could cause the problem, but i guess 4GB is just enough. sidenote: while rendering, my task manager shows that sketchup grows to ~1240MB of RAM allocated. i also can understand that saving and reopening the file is even more upsetting in your case, since the 120MB scene takes ages to open...

      the second issue i thought of was that maybe just the scene parsing and light cache warming up is taking place (which could be checked by looking at task manager and watching the cpu usage).

      but now since there are already two people with the same issue, it's really becoming strange πŸ˜„

      missing sofa - i honestly didn't notice, i touched no layer settings, i just moved the camera around and copied the spotlight objects (which are shown in Outliner as Vray IES Light).
      EDIT: seems that although the sofas showed in SU's viewport, the Layer0 was turned off, and i had to turn it back on so that they are rendered in vray too.

      editing the chandelier rectangular lights - no crash, edited its color, ran the render... no problems. although i don't think this is how it should look like.


      renderafterrectlightcolorchange.png

      I'm using SketchUp 2017, V-Ray 3.4

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      • eidam655E Offline
        eidam655
        last edited by

        i opened your scene, and so far i've been copying lights around and vray always rendered for me o.O

        if after closing and opening sketchup it works, do you think this could be a lack of memory issue? what is your pc's configuration?

        EDIT: also, are you sure nothing happens after the flicker? maybe the scene is just being parsed; the task manager doesn't show any cpu usage?

        I'm using SketchUp 2017, V-Ray 3.4

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        • O Offline
          origene
          last edited by

          @eidam655 said:

          yes, i am using 1.49.01, see my signature πŸ˜„

          i asked for your configuration because i thought that the memory insufficiency could cause the problem, but i guess 4GB is just enough. sidenote: while rendering, my task manager shows that sketchup grows to ~1240MB of RAM allocated. i also can understand that saving and reopening the file is even more upsetting in your case, since the 120MB scene takes ages to open...

          the second issue i thought of was that maybe just the scene parsing and light cache warming up is taking place (which could be checked by looking at task manager and watching the cpu usage).

          but now since there are already two people with the same issue, it's really becoming strange πŸ˜„

          missing sofa - i honestly didn't notice, i touched no layer settings, i just moved the camera around and copied the spotlight objects (which are shown in Outliner as Vray IES Light).
          EDIT: seems that although the sofas showed in SU's viewport, the Layer0 was turned off, and i had to turn it back on so that they are rendered in vray too.

          editing the chandelier rectangular lights - no crash, edited its color, ran the render... no problems. although i don't think this is how it should look like.

          Thanks guys for the help. have not yet solved the problem, but if i do i promise i will put it up on the forum so someone else will not face the same misery

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          • eidam655E Offline
            eidam655
            last edited by

            @blackmastah said:

            I would like to see what's happening with couple of the copied IES lights, couple of the rectangular lights and couple of the emissive lights. Try also to copy the spotlight object. (not only the lights and the emissive layer).

            hey, i'm not sure i'm following your instructions correctly, so it would be awesomely helpful, if you recorded your process (with CamStudio for example), put it on youtube and i/we could see, where it crashes for you. try as i may, i'm still not able to reproduce your bug πŸ˜•

            I'm using SketchUp 2017, V-Ray 3.4

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            • B Offline
              BlackMastah
              last edited by

              Hi.

              I just recorded a short clip that you can see part of my problem. The flick i'm talking about and the lack of rendering. I'm uploading it now. When it's ready i'll post here the link from youtube, so you can all see and try the things.

              If it's not clear again.. I can make more clips so you can see the problem from different angles.

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              • thomthomT Offline
                thomthom
                last edited by

                The flickering is coming from V-Ray being done processing the scene and SketchUp window becomes responsive again - where it updates the window. The rendering not starting after it's done processing the scene is probably some bug. I bet if you open the Ruby Console before you hit render you will see error messages appearing.

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

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                • eidam655E Offline
                  eidam655
                  last edited by

                  BlackMastah, so far i'm experiencing the same things as you, but the Task Manager is showing 100% CPU activity, so although the window doesn't redraw, the light cache is being built at this stage (and it always takes the more time the more lights you have in the scene), so i wouldn't say something is wrong. it just takes time.

                  I'm using SketchUp 2017, V-Ray 3.4

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                  • thomthomT Offline
                    thomthom
                    last edited by

                    @eidam655 said:

                    BlackMastah, so far i'm experiencing the same things as you, but the Task Manager is showing 100% CPU activity, so although the window doesn't redraw, the light cache is being built at this stage (and it always takes the more time the more lights you have in the scene), so i wouldn't say something is wrong. it just takes time.

                    The problem appear, from the video, that V-Ray doesn't start rendering after the processing.

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

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                    • eidam655E Offline
                      eidam655
                      last edited by

                      @thomthom said:

                      The problem appear, from the video, that V-Ray doesn't start rendering after the processing.

                      that's yet to be confirmed by looking at the task manager / cpu usage. my framebuffer isn't redrawn either.

                      I'm using SketchUp 2017, V-Ray 3.4

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                      • B Offline
                        BlackMastah
                        last edited by

                        Okay. I can see there's some bug. That's nice that you confirmed that. Maybe i'm dumm, but... What now?!

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                        • B Offline
                          BlackMastah
                          last edited by

                          Are we stuck? πŸ˜•

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                          • eidam655E Offline
                            eidam655
                            last edited by

                            did you check the ruby console output? did you check your cpu usage with task manager?

                            I'm using SketchUp 2017, V-Ray 3.4

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                            • thomthomT Offline
                              thomthom
                              last edited by

                              @eidam655 said:

                              did you check the ruby console output? did you check your cpu usage with task manager?

                              Yes, please check both there. Particularly the Ruby Console.

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

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                              • B Offline
                                BlackMastah
                                last edited by

                                Guys, i don't understand HOW to menage with the problem and are you talking to me? WHERE is the problem? In the file or.. In the program? I can't figure that out. And with the CPU, it's obvious that there is some bug, but that's not enough and that wasn't my question. The quesion is HOW to deal with that so i can finish with the file? To put the IES lights, to finish everything else and to RENDER...

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                                • eidam655E Offline
                                  eidam655
                                  last edited by

                                  to know where the problem is, it would be useful to check the ruby console output, so we could be more helpful and accurate πŸ˜„

                                  try creating a new file, with a big box and copy the lights from the original file to the new one and see if this problem persists. or try to purge your original file and do a test render with the room and lights only.

                                  i was curious about the cpu usage because sometimes it happens that the rendering continues, but the window is not redrawn, so i thought maybe this was the case.

                                  other than that we (or at least i) have no idea how to solve this, that's why those pieces of extra info from you could be useful.

                                  I'm using SketchUp 2017, V-Ray 3.4

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                                  • thomthomT Offline
                                    thomthom
                                    last edited by

                                    @blackmastah said:

                                    Guys, i don't understand HOW to menage with the problem

                                    Open the Ruby Console before you start to render and watch for error messages that might appear. They will probably give us a clue to why your render fails.

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

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                                    • C Offline
                                      ccs1987
                                      last edited by

                                      I ma having the same problem. i found out mine it's with the retengular lighting that i have with is small square and arrayed 12 x 15 lights for the whole building. after i delete the light it starts to render.but if i am with the light it dont render..what's the problem..is it grouping layering for retengular lights are making bugs for vray?

                                      Sketchup 8 pro
                                      Vray

                                      Intel Xeon W3520 2.67Ghz
                                      12Gb Ram
                                      Nvdia Quadro FX 1800

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                                      • dkendigD Offline
                                        dkendig
                                        last edited by

                                        If you convert the light group to a component, it will prevent the scene from rendering. We see that happen a lot, people want to have instances of the same light so they just convert the group, thinking everything will be fine. In order to have that functionality though, you need to place the light group inside of a component, rather than converting the group to a component.

                                        Devin Kendig
                                        Developer

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                                        • thomthomT Offline
                                          thomthom
                                          last edited by

                                          @dkendig said:

                                          If you convert the light group to a component, it will prevent the scene from rendering. We see that happen a lot, people want to have instances of the same light so they just convert the group, thinking everything will be fine. In order to have that functionality though, you need to place the light group inside of a component, rather than converting the group to a component.

                                          Feature request for the nexy Version? It is an intuitive thing to convert to Component.

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

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                                          • C Offline
                                            ccs1987
                                            last edited by

                                            @dkendig said:

                                            If you convert the light group to a component, it will prevent the scene from rendering. We see that happen a lot, people want to have instances of the same light so they just convert the group, thinking everything will be fine. In order to have that functionality though, you need to place the light group inside of a component, rather than converting the group to a component.

                                            wow. i did that mistake no wonder it wont render. making component perhaps alter the data of the light..thx man for waking me up

                                            Sketchup 8 pro
                                            Vray

                                            Intel Xeon W3520 2.67Ghz
                                            12Gb Ram
                                            Nvdia Quadro FX 1800

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