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no result on displacement map

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  • January 13, 2023 at 4:50 pm #15850
    Norb Fry
    Participant

      whenever I bake the displacement map it bakes all grey, I have tried multiple times and my base mesh compared to any level is not majorly different like in the other comments under here. any ideas please? 

      https://www.dropbox.com/s/oywo9ipy36ewik7/realistichuman.blend?dl=0

      January 14, 2023 at 3:27 am #77127
      Martin Bergwerf
      Participant

        Hi Norb,

        I don’t know exactly what is causing this, but if you open the file in blender 3.2 (I also tried 3.3.0, that also worked), then try to Bake, you’ll get a Warning that the Mesh should be Unwrapped, but it already is, so: switch to Edit Mode, then back to Object Mode (now Blender should realise that the Mesh is already Unwrapped) and (say a prayer and) press Bake:

        Baking.png

        January 14, 2023 at 4:24 am #77128
        Martin Bergwerf
        Participant

          I just updated my Blenders and 3.3.2 also works with the above mentioned trick.

          January 14, 2023 at 4:34 am #77129
          Norb Fry
          Participant

            Hi thanks for the response, Im using 3.4 and I get no warning signs whatsoever, I have been successfully baking normal maps before but this is my first attempt at displacement. I will try again with your trick but I don’t think it will work since no warning sign pops up, if that’s the case I shall instal 3.3 an try again I guess? Thank you

            January 14, 2023 at 4:43 am #77130
            Martin Bergwerf
            Participant

              Hi Norb,

              you are right that you don’t get a Warning in 3.4.

              You get them in 3.3 and 3.2. The trick doesn’t work in 3.4!

              January 14, 2023 at 5:09 am #77131
              Norb Fry
              Participant

                Thanks! Do you think there is a way around it or ado I have to bake disp maps in 3.3? 😀

                January 14, 2023 at 5:48 am #77132
                Norb Fry
                Participant

                  I said this too early, I have tried doing it again and back to the same blank results as in 3.4.1. Ugh this is doing my head in

                  January 14, 2023 at 5:48 am #77133
                  Martin Bergwerf
                  Participant

                    Baking the Displacement Maps in 3.3 is the workaround I found.

                    I do not know why this is happening, but I haven’t been able to Bake a Displacement Map (with your file at least)  in 3.4…Baking a Normal Map worked fine…

                    January 14, 2023 at 5:51 am #77134
                    Norb Fry
                    Participant

                      It only works as 1024px so the results are pretty bad,  when I try do 2048 or. 4096 it comes blank? please help !!

                      January 14, 2023 at 5:52 am #77135
                      Martin Bergwerf
                      Participant

                        I’ve tested it many times and the Bake works fine each time  in 3.3

                        January 14, 2023 at 5:53 am #77136
                        Norb Fry
                        Participant

                          Shall I try 3.3? With the hand. on. my heart it only Works on 1024px in 3.3.2 I can even. screen record it as I. really need help with this please

                          January 14, 2023 at 5:56 am #77137
                          Martin Bergwerf
                          Participant

                            Oh my, I forgot to test a  4096 texture!

                            You are right, that doesn’t work…

                            I will see if I can find a way to make it work, because a 1024 texture is pretty useless.

                            January 14, 2023 at 5:58 am #77138
                            Norb Fry
                            Participant

                              thank you, I was almost losing it in front of my screen thinking I did something wrong haha I am looking forward to your next message

                              January 14, 2023 at 6:57 am #77139
                              Martin Bergwerf
                              Participant

                                I haven’t tried this yet, but apparently this has happened to some other people as well.

                                Kent Trammell found that this might work:

                                Kent.png

                                Backup the Head (although you still have the Dropbox version to go back to, if things go terribly wrong..).

                                You’ll need to get rid of the Shapekeys (in the course, Kent shows the above mentioned method explicitly! I’ll see if I can find where) in order to be able to Apply the Multires…

                                I will also give this method a go….see if it helps in your case.

                                January 14, 2023 at 7:28 am #77140
                                Norb Fry
                                Participant

                                  Oh okay I will give this a go, seems like a bit complicated way to get to the map but must is a must. shall I try this on 3.3 or 3.4? I remember Kent applying the multires but also don’t remember where it was

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