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[HOU-1836] Vray Texture Bake issue - baking UDIMs

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  • [HOU-1836] Vray Texture Bake issue - baking UDIMs

    Hello, I'm having an issue with the texture baking tool when trying to output UV Tiles (UDIMs).
    When enabling the "Render to texture tile" option I get no output and the VFB doesn't even start when baking.

    I also had this behavior with the test scene, if I checked texture tiles I stopped having output,test sche from here:https://forums.chaosgroup.com/forum/...ol-now-in-beta

    Log shows the render as sucsessfull on my simple test scene:


    My simple test scene is attached for you to test.

    best,
    David.
    Attached Files
    Last edited by chakarov; 27-04-2020, 07:48 AM.
    David Anastácio // Accenture Song - VFX
    https://www.accenture.com/us-en/serv...visual-effects

  • #2
    Small update.

    The TOPs network seems to be throwing errors when trying to bake the texture tiles, see attached image.

    Running Houdini 18.0.348 with VFH 4.30.03, nightly build:6984 from 24 April on Windows 10.

    Best,
    David.
    Last edited by david.anastacio; 25-04-2020, 07:05 AM.
    David Anastácio // Accenture Song - VFX
    https://www.accenture.com/us-en/serv...visual-effects

    Comment


    • #3
      Hello david.anastacio , when baking to texture tiles baker tool uses TOPs and the VFB is not visible, everything happens in background. I'll take a look at your scene to check what is going on. Thanks for the feedback.
      Georgy Chakarov | QA
      www.chaosgroup.com
      georgy.chakarov@chaosgroup.com

      Comment


      • #4
        Hello david.anastacio , sorry for not writing back earlier. I've just opened your scene and hit "execute baking" - everything is working on my side. As I wrote in my other post, when baking to texture tiles or multigeo mode, TOPs are used that's why the VFB is not visible. But the log is printing every progress. The log from your last baking is also saved in the file and it says that everything is OK. I've tested with your setup W10; H18.0.348; V-Ray 24april. On my side TOPs does not throwing any errors and rendered images are where they should be.

        Click image for larger version  Name:	output.png Views:	1 Size:	385.0 KB ID:	1068053
        Georgy Chakarov | QA
        www.chaosgroup.com
        georgy.chakarov@chaosgroup.com

        Comment


        • #5
          Could you try changing Cache Mode of ROP Fetch TOP to "Write Files" and try again.

          Click image for larger version

Name:	CacheMode.png
Views:	242
Size:	48.6 KB
ID:	1068055
          Georgy Chakarov | QA
          www.chaosgroup.com
          georgy.chakarov@chaosgroup.com

          Comment


          • #6
            Hi again.

            I noticed the VFB is not supposed to be visible, but that is not the issue here. I always get the TOPS error "finished with exit code 1", and no output is written to disk.
            What could be causing this? I tried with a new baker with default settings, same result. Different mesh same result. The output folder doesn't even get created.
            The baker log seems like everything worked out, but not really.

            See attached.

            Best,
            David.
            David Anastácio // Accenture Song - VFX
            https://www.accenture.com/us-en/serv...visual-effects

            Comment


            • #7
              I just tried changing the cache from auto to write, still no success.

              See attached.

              Best,
              David.
              David Anastácio // Accenture Song - VFX
              https://www.accenture.com/us-en/serv...visual-effects

              Comment


              • #8
                We are still trying to reproduce the problem on our side.
                Georgy Chakarov | QA
                www.chaosgroup.com
                georgy.chakarov@chaosgroup.com

                Comment


                • #9
                  Could you go to debug tab and uncheck "PDG Logs in Houdini Temp" and execute baking again. pdgtemp folder should be created in your hip file directory, one of it's subdirectories is called logs, can you send me those log files there.
                  Georgy Chakarov | QA
                  www.chaosgroup.com
                  georgy.chakarov@chaosgroup.com

                  Comment


                  • #10
                    Here they are, Pipeline was fetching the latest nightly. So this was already last night's update.

                    Best,
                    David.
                    Attached Files
                    Last edited by david.anastacio; 27-04-2020, 05:50 AM.
                    David Anastácio // Accenture Song - VFX
                    https://www.accenture.com/us-en/serv...visual-effects

                    Comment


                    • #11
                      Looks like V-Ray is not recognized/found when baking with TOPs. How your setup loads the VFH, are you using some kind of custom scripts, bat files or something.
                      Georgy Chakarov | QA
                      www.chaosgroup.com
                      georgy.chakarov@chaosgroup.com

                      Comment


                      • #12
                        Hi Chakarov,
                        We are using REZ to setup Vray on your pipeline and current vray env vars setup is something like this:

                        ```
                        env.VRAY_APPSDK.set("{root}/appsdk")
                        env.VRAY_OSL_PATH.set("{root}/appsdk/bin")
                        env.VRAY_UI_DS_PATH.set("{root}/ui")

                        env.VFH_HOME.append("{root}/vfh_home")

                        env.PYTHONPATH.append("{root}/appsdk/python27")
                        env.PATH.prepend("{root}/appsdk/bin")
                        env.PATH.prepend("{root}/vfh_home/bin")
                        env.HOUDINI_PATH.prepend("{root}/vfh_home")

                        env.HOUDINI13_VOLUME_COMPATIBILITY.set('1')
                        env.HDF5_DISABLE_VERSION_CHECK.set('1')
                        ```
                        Where {root} is vray for houdini default zip content from nightlies build.
                        Let me know if something is missing,
                        Thanks.

                        Comment


                        • #13
                          What mr. Bort said, he's the VFX head of Pipeline here at Mackevision.
                          All other VRay features are working correctly, render, shelf, IPR, SOP and OBJ nodes are loaded and running, and no error in the Houdini console when starting.

                          Best,
                          David.
                          David Anastácio // Accenture Song - VFX
                          https://www.accenture.com/us-en/serv...visual-effects

                          Comment


                          • #14
                            TOPs are using hyton and seems that those V-Ray specific environments are not load when render is started. I've added the issue in our system as HOU-1836 and will write back to you when there is something new.
                            Georgy Chakarov | QA
                            www.chaosgroup.com
                            georgy.chakarov@chaosgroup.com

                            Comment


                            • #15
                              Thanks chakarov, looking forward to get an update on this.

                              best,
                              David.
                              David Anastácio // Accenture Song - VFX
                              https://www.accenture.com/us-en/serv...visual-effects

                              Comment

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