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  4. Finding a polygon that encloses a set of points

Finding a polygon that encloses a set of points

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  • G Offline
    G Offline
    gantww
    wrote on last edited by
    #1

    Greetings, I'm trying to determine the best way to get a polygon from a set of points. The points are not in any particularly useful order (they are the endpoints of individual lines that fill the polygon in question). How can I easily take such a set of points and figure out the vertices of a polygon from them? The polygons may have gaps inside of them. Any ideas? Thanks, Will

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    • G gantww

      Greetings, I'm trying to determine the best way to get a polygon from a set of points. The points are not in any particularly useful order (they are the endpoints of individual lines that fill the polygon in question). How can I easily take such a set of points and figure out the vertices of a polygon from them? The polygons may have gaps inside of them. Any ideas? Thanks, Will

      L Offline
      L Offline
      Luc Pattyn
      wrote on last edited by
      #2

      so you need the hull or the convex hull of some objects? That is pretty straightforward, just google for those terms. BTW: it is an algorithmic problem, not really a graphic one. :)

      Luc Pattyn

      :badger: :jig: :badger:

      Have a look at my entry for the lean-and-mean competition; please provide comments, feedback, discussion, and don’t forget to vote for it! Thank you.

      :jig: :badger: :jig:

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