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How to create a U/V Curve on a surface?

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hohox
hohox
in RobotStudio
How can I create a U/V Curve on a select surface?
I did this with "GetURange", "GetVRange", "CreateParametricCurveU" and "CreateParametricCurveV".

Sometime it works well, but sometime it cannot create the curve.

I guess the range along U or V sometimes got wrong.

 

Dose anyone konw how to do? Thanks a lot! 

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  • Johannes Weiman old account
    Johannes Weiman old account ✭✭
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    It sounds like you're doing it right. Do you get an error message?

    regards,
    Johannes

    Johannes Weiman
    Software Engineer
    ABB Robotics
  • hohox
    hohox
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    yes, get error message like this: Geometry system(ACIS) Error code: 87003 "attempt to fit curve to zero knot span"
    And sometimes it can create some curves, but the parameter range seems wrong. The curves in the range only appears in one half of the surface, but acturally the other half of the surface should be able to have curves.

     

    Thanks a lotSmile 

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