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 Shape Outside Segment 

Last post Tue, Jul 2 2013 5:45 PM by eDave. 3 replies.
Started by eDaJun 02 Jul 2013 01:58 AM. Topic has 3 replies and 557 views
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  • Tue, Jul 2 2013 1:58 AM

    • eDaJun
    • Top 500 Contributor
    • Joined on Fri, Jan 18 2013
    • Posts 19
    • Points 620
    Shape Outside Segment Reply

    Dear All,

    Can anyone help me how to get the outside segment of a shape...

    Inside segment will be disregard. Thanks

    image 2
    • Post Points: 20
  • Tue, Jul 2 2013 3:30 PM

    • eDave
    • Top 10 Contributor
    • Joined on Sun, Jul 13 2008
    • Christchurch, 00-NZ
    • Posts 738
    • Points 16,055
    Re: Shape Outside Segment Reply

    There is a quick and nasty way that might work for you:

    Use axlPolyExpand, with an expandValue slightly bigger then the "void" entry width, to expand the shape.

    Use axlPolyExpand with the same value, but negative, to shink the shape again. The outline of the resultant polygon will now be what you want - although you will need to check what happens to corners.

    Dave Elder, Tait Communications
    • Post Points: 20
  • Tue, Jul 2 2013 5:38 PM

    • eDaJun
    • Top 500 Contributor
    • Joined on Fri, Jan 18 2013
    • Posts 19
    • Points 620
    Re: Shape Outside Segment Reply

    Dear eDave,

    Thanks for the quick response. The problem with poly expand is the corner of the shape is not ate same as before when you negate the expanded shape. 

    • Post Points: 20
  • Tue, Jul 2 2013 5:45 PM

    • eDave
    • Top 10 Contributor
    • Joined on Sun, Jul 13 2008
    • Christchurch, 00-NZ
    • Posts 738
    • Points 16,055
    Re: Shape Outside Segment Reply
    You could shrink your new polygon slightly more then re-write the original polygon excluding any vertices that fall inside the smaller polygon.
    Dave Elder, Tait Communications
    • Post Points: 5
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Started by eDaJun at 02 Jul 2013 01:58 AM. Topic has 3 replies.