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Re: [cgal-discuss] How to improve the speed of polygons offsetting in CGAL?


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  • From: Ben Supnik <>
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  • Subject: Re: [cgal-discuss] How to improve the speed of polygons offsetting in CGAL?
  • Date: Mon, 30 Aug 2010 11:34:54 -0400

Hi Y'all,

Fernando would be the expert on computation time, but...if the goal is an offset, an alternative to a straight skeleton would be to do a 'buffer' type operation, e.g. construct the offset curves piece-wise, dump them in an arrangement, and use the arrangement to find the interior.

cheers
Ben


Fernando Cacciola wrote:
Hi,

Can you try building CGAL and your code with the following macros defined:

_SECURE_SCL=0
NDEBUG

That running time you are reporting looks 10 times slower than it should.

Best


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