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Thread: Step through individual vertices of an LWPOLYLINE without using Visual Lisp functions

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    Default Step through individual vertices of an LWPOLYLINE without using Visual Lisp functions

    How would one go about stepping through individual vertices of an LWPOLYLINE without using Visual Lisp functions?

    Is there a method beyond using (FOREACH? Perhaps a way to use (ASSOC 10, and getting differing verices?

    Thanks,
    Wayne

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    Default Re: Step through individual vertices of an LWPOLYLINE without using Visual Lisp functions

    Code:
    (vl-remove-if-not
     '(lambda (x)
      (equal (car x) 10)
     )
     (entget (car (entsel "\n Select polyline: ")))
    )
    ??

    Or with 'mapcar'. It depends on what you want to do to each point. If you just want to grab them, then I think foreach will work for you best.

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    Default Re: Step through individual vertices of an LWPOLYLINE without using Visual Lisp functions

    Please do not reply to this question if you will be posting a wrong answer.
    Quote Originally Posted by argutuq
    "...without using Visual Lisp functions?"
    Last edited by argutuq; 2007-02-19 at 11:49 PM.

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    Default Re: Step through individual vertices of an LWPOLYLINE without using Visual Lisp functions

    Quote Originally Posted by argutuq
    Please do not reply to this question if you will be posting a wrong answer.
    And just why are you set on not using the VL- functions? They are an integral part of Autocad and Lisp. Nevertheless, this will do what you want:
    Code:
    deleted code.....don't be rude to those that try to help.
    Last edited by Jeff_M; 2007-02-20 at 06:35 PM.

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    Default Re: Step through individual vertices of an LWPOLYLINE without using Visual Lisp functions

    Quote Originally Posted by argutuq
    Please do not reply to this question if you will be posting a wrong answer.
    Maybe you didn't see the second part of my response. Guess you don't need that type of help either though since you know how to do it yourself.

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