exploding non-linear

I have a survey that I am trying to trim the countour lines. I can't trim, break or explode. When I list each line this is what it says:properties: non-open, non-plana, non-peridoic, non-rational, non-linear?Does anyone know why it says this and how I can work with these?Thanks,Paul

Comments

  • Please attach the drawing to a support request. We will study what causes the problem and try to provide you with a solution.Best regards,Hans De BackerBricsCad

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