Geometry Boost List: Re: [geometry] Algorithm used in boost::geometry::buffer

Subject: Re: [geometry] Algorithm used in boost::geometry::buffer
From: Barend Gehrels (barend_at_[hidden])
Date: 2018-08-23 17:15:37

Hi Santanu, thanks, will answer this next week
Regards, Barend

Sent from iPhone

> Op 23 aug. 2018 om 06:08 heeft Santanu Bhowmick via Geometry <geometry_at_[hidden]> het volgende geschreven:
> 
> Hi,
> 
> I'm trying to understand the algorithm underlying the buffer API in Boost.Geometry. The top-level headers don't seem to have any citations (apologies if I've missed it still).
> 
> I've the following queries:
> 1) What is the worst-case complexity of the buffer algorithm for a poly line / polygon? I would imagine it depends on the convex/reflex vertices in the input, so feel free to state the complexity in those terms.
> 
> 2) What is the overall strategy used for getting the offset curve? Is it a variant of the pair-wise offset strategy mentioned in "A pair-wise offset algorithm for 2D point-sequence curve B.K. Choi*, S.C. Park (CAD 99), or something else ? I would really appreciate some pointers in this regard?
> 
> Thanks!
> 
> -- 
> Santanu Bhowmick
> 
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