Re: Desktop geometry problem
Re: Desktop geometry problem
- Subject: Re: Desktop geometry problem
- From: Lee Ann Rucker <email@hidden>
- Date: Mon, 11 Jun 2012 14:15:56 -0700 (PDT)
> If you have only two rectangles, and they touch only at a corner, you'll get horizontal and vertical segments that cross at that corner, without ending there. Each of those line segments will be partly clockwise and partly counterclockwise. The ambitious student could resolve this by assigning orientations to the points and, when deleting duplicate points, not delete a NW/SE or NE/SW pair. Details are beyond the scope of this missive. (And besides, the situation cannot arise with displays.)
Yes it can. It's not particularly useful, but I've done it when testing coordinate calculations.
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