Geometry Boost List: Re: [geometry] Buffer/Offsetting Polygon with holes

Subject: Re: [geometry] Buffer/Offsetting Polygon with holes
From: yohann.benedic_at_[hidden]
Date: 2014-05-21 09:29:20

>@ yohann which implementation are you using?  is this implementation
>free?

I derived the implementation from this tutorial (http://www.boost.org/doc/libs/1_45_0/libs/polygon/doc/gtl_minkowski_tutorial.htm) which was written for boost::polygon and not boost::geometry. Buffering is somewhat the same as computing the Minkowski sum of your multipolygon with a circular ring. Since the circular ring is just a ring, you don't need to implement the full algorithm that supports multipolygons on both sides of the sum.

Regards

Yohann Bénédic
Wireless Engineering and Propagation
Research Engineer
tel. [phone]
yohann.benedic_at_[hidden]

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