Confused with Xactmeasure

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  • Confused with Xactmeasure

    My alignment is:
    - level Y- and X,Z origin to cylinder
    - rotate X+ to plane
    - Y origin to circle
    Need to check position of CIR 1 to A [M], B, C[M].
    When I look at customized DRF, Xactmeasure is showing:
    - cylinder (datum A) controlling x,y,u,v - why not x,z,u,w ?
    - plane (datum B) controlling w - why not v ?
    - circle (datum C) controlling z - why not y ?

    I am working with CAD.

    Clipboard04.jpg
    Last edited by marcc; 10-10-2019, 01:17 PM.

  • #2
    No idea, but it shouldn't be doing that...

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    • #3
      https://www.pcdmisforum.com/forum/pc...but-not-origin



      there is a pecking order Primary is always ZPLUS and Rotation is always XPLUS, so your Y becomes Z and your X is X and Y is Z. You might want to create an alignment in the correct order of your callout, or it can get very confusing.
      Last edited by KIRBSTER269; 10-11-2019, 09:50 AM.
      (In Memory of my Loving wife, "Ronda" who I lost March 7, 2016. I love you baby.)
      They say "Nobody's Perfect." I must be Nobody.

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      • AndersI
        AndersI commented
        Editing a comment
        I'm not sure that is true anymore - just today, I saw a FCF TP where the primary was clearly labeled Y in the yellow-blu trihedron. The current alignment also had Y as primary, maybe that is involved?

      • KIRBSTER269
        KIRBSTER269 commented
        Editing a comment
        AndersI I have such a hard time understanding PC-DMIS, "What worked doesn't work anymore, Things that didn't work before works now" hard to keep up brother

    • #4
      Originally posted by KIRBSTER269 View Post
      there is a pecking order Primary is always ZPLUS and Rotation is always XPLUS, so your Y becomes Z and your X is X and Y is Z. You might want to create an alignment in the correct order of your callout, or it can get very confusing.
      Thanks, I will play with this more.

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      • #5
        I don't know about the newest versions but for older :

        Create an alignment to the datum features.
        In the Xactmeasure Advanced tab - tick box /drop down menu - USE CURRENT ALIGNMENT
        sigpic"Hated by Many, Loved by Few" _ A.B. - Stone brewery

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        • #6
          Originally posted by Wes Cisco View Post
          I don't know about the newest versions but for older :

          Create an alignment to the datum features.
          In the Xactmeasure Advanced tab - tick box /drop down menu - USE CURRENT ALIGNMENT
          ^^^ this.
          (for me the above stands for new or old Xact) and as Kirb and the Help states..... Xact is kind of a 'rotation to X+' traffic cop. Midplane as secondary in a non-X+ vector has blindfolded & spun me off the dwg GD&T many times. (that **** yellow trihedron)
          Use Current Align (or fall back to legacy) then..... that might make the world finally make sense

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