Polygon with holes
- To: mathgroup at smc.vnet.net
- Subject: [mg97290] Polygon with holes
- From: Harrie Kraai <hakraai at xs4all.nl>
- Date: Tue, 10 Mar 2009 05:34:31 -0500 (EST)
Does anyone know of a facility for Polygons (graphics) with holes inside?
I guess there is no such thing as an oriented polygon in Mathematica?
Or a polygon consisting of disjoint lines (inner and outer contours,
clockwise and counterclockwise)?
I can see that it is possible to connect outer and inner contours using
a dummy line, but that is not so easy to program in a generic way.
Solutions such as creating an artificial hole by another Polygon in the
background colour are not really acceptable.
Polygon's with holes would be very useful for maps etc.
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