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Generating Maps Error: The mesh has no valid texture Coordinates!

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  • Generating Maps Error: The mesh has no valid texture Coordinates!

    I do the following
    • import my reference mesh which has UVs
    • Create my low poly Mesh
    • Then i go to Bake Maps, and select generate Normal Maps, set my settings, and i receive the following two errors:

    The mesh has no valid texture Coordinates!
    No Geometry to bake!

    I cant figure this out. I assume im supposed to give my mesh some UV's somehow?

  • #2
    If i upload a custom cage, then i can proceed beyond the errors (I didnt think a custom cage was necessary and i assumed it could just use my scene mesh?)

    However, even after using the custom cage and progressing to generate maps, the maps i generate are blank.
    Attached Files
    Last edited by femacamps; 07-17-2021, 10:31 PM.

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    • #3
      Is it because my Scene Mesh/low poly cage doesnt have UV map?

      I guess I have to create UV in another software?

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      • #4
        Okay, i Unwrapped my UV in Blender and now managed to generate maps, so that issue is solved.

        Another issue - how do i get rid of all the poygons in the normal map
        Attached Files

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        • #5
          Okay, so the polygons appearing in normal map seem to only happen if i use custom cage. I guess it is taking the low poly mesh map details too.

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