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The wettmap to the deforming geometry dries very quickly.

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  • The wettmap to the deforming geometry dries very quickly.

    The wettmap to the deforming geometry dries very quickly.

    Is there a solution?

    Tested with the latest Nightlies and stable.

    OakCorp Japan - Yuji Yamauchi
    oakcorp.net
    v-ray.jp

  • #2
    Interesting! Can you share a scene with this issue?

    Thanks!
    Svetlin Nikolov, Ex Phoenix team lead

    Comment


    • #3
      Hi,

      I reproduced the problem and looks like it's a bug. I tried geometry with different poly count and mesh with fewer polygons preserves more wet map particles (double or more).

      Thanks for reporting!
      George Barzinski
      QA Phoenix FD

      Comment


      • #4
        It seems that change of the surface area of a polygon will delete WetParticle.

        screen captcha
        https://drive.google.com/file/d/0B03...ew?usp=sharing
        Attached Files

        OakCorp Japan - Yuji Yamauchi
        oakcorp.net
        v-ray.jp

        Comment


        • #5
          The problem of wetmap (sticky) evaporating quickly with deformed objects. Have it solved?

          OakCorp Japan - Yuji Yamauchi
          oakcorp.net
          v-ray.jp

          Comment


          • #6
            Hey,

            Yes - try a latest nightly build

            Cheers!
            Svetlin Nikolov, Ex Phoenix team lead

            Comment


            • #7
              Nope, sorry, it will need one more change. I will update you when it's done.
              Svetlin Nikolov, Ex Phoenix team lead

              Comment


              • #8
                Thank you. I look forward to improvement.

                OakCorp Japan - Yuji Yamauchi
                oakcorp.net
                v-ray.jp

                Comment


                • #9
                  Alright, so there was an issue which is already fixed, so now if wetmap particles still disappear, you have to increase the Steps Per Frame - this way the wetmap will be able to follow fast moving or deforming geometry.

                  The latest nightly is all you need
                  Svetlin Nikolov, Ex Phoenix team lead

                  Comment


                  • #10
                    I don't have access to the nightlies mate... where can I get them? I thought I did have, but I don't!
                    http://www.jd3d.co.uk - Vray Mentor

                    Comment


                    • #11
                      Check this post - https://forums.chaosgroup.com/forum/...nightly-builds
                      Georgi Zhekov
                      Phoenix Product Manager
                      Chaos

                      Comment


                      • #12
                        Tell a lie, I have access - forgot the link! don't worry.
                        http://www.jd3d.co.uk - Vray Mentor

                        Comment


                        • #13
                          Same problem again - but I am using 15 steps per frame... how much more do I need? Or just until it stops? how can I just do that one section?
                          http://www.jd3d.co.uk - Vray Mentor

                          Comment


                          • #14
                            Hey,

                            Is there any improvement after increasing the steps? If so, I'm afraid this would be the way to go until we reimplement how the wetmap attaches to geometry. The exact formula for the current solution is that the wetmap can re-attach to a geometry that moves with velocity of less than roughly 1.5-2 voxels/step.
                            Svetlin Nikolov, Ex Phoenix team lead

                            Comment


                            • #15
                              I hope to fully follow any deformation speed.
                              Please increase the priority.

                              This problem is fatal to character animation.
                              My customer told that "I did not buy Phoenix FD if I knew of this problem."

                              Best wishes,

                              OakCorp Japan - Yuji Yamauchi
                              oakcorp.net
                              v-ray.jp

                              Comment

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