Geometry Boost List: Re: [geometry] Ring intersection question

Subject: Re: [geometry] Ring intersection question
From: Menelaos Karavelas (menelaos.karavelas_at_[hidden])
Date: 2014-11-06 16:07:50

Dear Will,

I tried your polygons and the intersection seems to work.
Please checkout the attached program, and let us know if you get a 
similar output. The output that I get is:
MULTIPOLYGON(((75 150,250 150,250 75,75 75,75 150)))

Best,

- m.

On 06/11/2014 10:44 ??, Will Lucas wrote:
> Hi all,
>
> I have a question regarding the intersection of ring concepts using 
> Boost.Geometry. I currently have two overlapping rectangles defined by 
> the following WKTs:
>
> POLYGON((75 75,75 175,275 175,275 75,75 75))
> POLYGON((50 50,50 150,250 150,250 50,50 50))
>
> When I perform the intersection of these rectangles, I get the 
> intersection points:
>
> POLYGON((75 150,250 75))
>
> The intersection points do not allow me to compute the area correctly 
> after the intersection. Is there way to get a fully valid ring/polygon 
> out of intersection, so that the area will be equal to the overlapping 
> region?
>
> Thanks!
> Will
>
>
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