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  1. #1
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    Default OSNAP for center of polygon

    Summary: Center of polygon OSNAP

    Description: I would like to see an osnap feature that snaps to the center of a symmetrical polygon regardless of orientation.

    How Used: Fewer picks.

    Feature Affinity: Snaps

    Submitted By: Billy Wooten on October 27, 2006

  2. #2
    AUGI Addict madcadder's Avatar
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    Too far from the beach

    Default Re: OSNAP for center of polygon

    Until it gets written in stock...

    use: 'average
    You can write it into the POP0 menu...

    ;;; Average point of all selected points
    (DEFUN c:average (/ |average| |count| |nextpoint| |pt1| |temp-pt|)
      (SETQ |pt1| (GETPOINT "\nSpecify first point to Average: "))
      (SETQ |count| '(1 1 1))
      (SETQ |temp-pt| |pt1|)
        (SETQ |nextpoint|
    	   (GETPOINT |pt1|
    		     "\nSpecify next point or RETURN to end: "
         (SETQ |temp-pt| (MAPCAR '+ |nextpoint| |temp-pt|))
         (SETQ |count| (MAPCAR '1+ |count|))
           (STRCAT "\n" (ITOA (CAR |count|)) " points specified: ")
      (SETQ |average| (MAPCAR '/ |temp-pt| |count|))
      (command "_non" |average|)

  3. #3
    Certifiable AUGI Addict dzatto's Avatar
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    Big "D"

    Default Re: OSNAP for center of polygon

    Or you could use the mid between 2 points snap.

  4. #4
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    Lakewood Washington

    Default Re: OSNAP for center of polygon

    I would change the phrase from center osnap grip to centriod grip. Once the polygone has been changed by streaching the polygone by it's grip making it an arbitrary shape, still a polygone, there is no longer a centroid.
    Otherwise if the polygone is created such as a circle where if you try to change size of the polygone keeping it's symetry in tact at all times then a osnap centroid grip is fesible. This can also be applied to parallelograms.
    Last edited by AutoCAD-AL; 2013-12-12 at 08:02 PM.

  5. #5
    Administrator BlackBox's Avatar
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    Default Re: OSNAP for center of polygon

    Instead I use Gile's Custom Osnap plugin... This provides third (TRD), quarter (QTR), centroid (CTR), and Fraction (FRC) snaps.
    "How we think determines what we do, and what we do determines what we get."

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  6. #6
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    Exclamation Re: OSNAP for center of polygon

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