Issues!

Forum Archive Issues!

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  • #18838
    Ian Gamble
    Participant

      Tried the things from the other two threads, am I supposed to unwrap the high-poly as well? 

      #89840
      Ian Gamble
      Participant

        Here’s what the bakes look like, I tried unwrapping and exporting again and they came out the same:

        bake issues.jpg

        #89841
        Chunck Trafagander
        Participant

          Hey there! You shouldn’t need to unwrap the high-poly, what this looks like to me is an issue of overlapping UVs with your mid-poly that you are baking the high-poly details onto.

          Would you be able to share a screenshot of your UV layout for the mid-poly in Blender?

          #89842
          Ian Gamble
          Participant

            Sure, here you go!

            UVs.jpg

            #89843
            Chunck Trafagander
            Participant

              So that unwrap looks pretty good to me, I can’t seem to see any overlap issues with it!

              Here’s a couple things to try as well, and see if they help the issue at all:

              1. Try increasing the ray distance when baking in InstaMAT, the rays may be getting cut off too early which results in missing some bake info

              2. Make sure the model doesn’t have multiple UV maps on it, as it does look like there is some weird UV displacement going on in the Normal map you showed

              3. Take a look and see if your face orientation is correct, it doesn’t look like that’s an issue you’re having to me but you never know

              4. Make sure the targeting mode is set to “By Mesh Name”, and that each high and low-poly piece shares the same name with the appropriate suffix

              I’m sure you’ve been following along very closely and have done all of these already, but texture baking can be funky at the best of times so I just want to make sure we are covering our bases! If you could give this a try and let me know how you make out, that’d be great! Worse case I’ll have you upload your Blender file and we can take a look, but let’s try these first. 🙂

              #89844
              Ian Gamble
              Participant

                It worked! Thanks! Problems I found:

                • one of the straps had an inverted Y scale
                • a couple of the high res meshes were named weird or I put a . instead of _

                I also upped the Ray length to 5 and 10, but I don’t know if that made a difference

                #89845
                Chunck Trafagander
                Participant

                  That’s fantastic, always makes me happy when it’s just a couple simple tweaks! Both of those would definitely have been major contributors to your issues, glad you found them!

                  Thanks for working through it with me, texture baking is a goofy process where one minor thing can derail the entire operation as you’ve seen. Best of luck with the rest of the course and as always, don’t hesitate to reach out if you have questions or issues. 🙂

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