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  • headache mesh

    hi!

    i'm trying to apply reset xform on this mesh, and this is what happens (the mesh on the right):



    it looks like reset xform tries to bake something? but the material is just a plain grey standard mat...i'm on max 2009 and the mesh import is like this :
    .wrl -> deep exploration -> .rh -> max

    i've tried everything i can think of, and at this point i am completely clueless - has anyone experienced anything similar or have any ideas about what is happening?
    Last edited by kimgar; 22-10-2008, 05:35 AM.

  • #2
    hmm.. bad vibes !

    my 2 cents..
    have you tried..
    - convert to poly, and apply resetxf on poly ?
    - after xform, did you try to reset smoothing groups ?
    - are the units almost good (universe scale) ?

    that's all i have in mind for instance.. soory it's poor
    hope you'll find a way !
    Jérôme Prévost.
    SolidRocks, the V-Ray Wizard.
    http://solidrocks.subburb.com

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    • #3
      yes, bad vibes indeed!

      converting to poly, attaching, smoothing groups and generally touching the mesh in any way gives results like this (this is poly) :



      if by reset smoothing groups you mean clear all and autosmooth, yes, that has been tried.
      units should also be ok

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      • #4
        Are the vertices welded?

        You might also try exporting/importing as a 3ds, dxf or obj and see if it helps.
        Eric Boer
        Dev

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        • #5
          yes it does look as if the mesh isnt welded ..
          Natty
          http://www.rendertime.co.uk

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          • #6
            ouch ! it's worth

            + 1 for the vertex weld tip
            Jérôme Prévost.
            SolidRocks, the V-Ray Wizard.
            http://solidrocks.subburb.com

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            • #7
              Hmm, now that I look at the stats it appears to be welded
              Eric Boer
              Dev

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              • #8
                ah, a new day, a new headache

                the verices are welded, i welded it again and it removed a few vertices, but the initial reset xform baking weirdness still persists, never seen anything like it.

                i tried to detach all curved surfaces and apply a relax and smooth, this fixed the reset xfrom thing, and the mesh is better, but still screwed...



                hmhmhm what can cause reset xform to bake a texture or whatever it is doing?
                it's not just in the viewport either, it also renders with like this
                Last edited by kimgar; 23-10-2008, 12:40 AM.

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                • #9
                  Could be flipped normals. Have you tried convertin to editable mesh and enabling visible normals? check that all the surfaces have the normals pointing the same way.
                  Many Thanks
                  Patrick

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                  • #10
                    Looks like maybe co-planar issues . Try deleting a face that looks real bad. If it's still there after deleting, co-planar issues. Autocad is real bad about that on import. Not sure about your import.

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                    • #11
                      I've had the same problem before.
                      Try this:
                      -collapse to Edit.Mesh
                      -Create a box near by
                      -Attach your ship to the box (so the ship'll reset its xform to the box's ones)
                      -Reset xform
                      -Delete the box
                      -if it works say thank you to the box for sacrificing itself for the greater good
                      -If not? Sorry, it didn't work out for you

                      regrad

                      zoran

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                      • #12
                        the normals is ok and there is no coplanar faces.
                        attaching to box, detaching all faces to new object or generally touching the mesh screws up the smoothing groups and i've found no way of restoring them to their former glory.

                        i am beginning to suspect that the problem is buried somewhere in the .wrl format, and that there is no straightforward solution.

                        it's very weird and i am out of options, i think i will have to acknowledge defeat and make the best out of what i've got...thank you all for all the help and suggestions!

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