Re: [Boost-users] [Polygon] Test among 3 libraries

Subject: Re: [Boost-users] [Polygon] Test among 3 libraries
From: OvermindDL1 (overminddl1_at_[hidden])
Date: 2010-08-01 18:07:17

On Sun, Aug 1, 2010 at 7:25 AM, TONGARI <tongari95_at_[hidden]> wrote:
> Hi,
> I just modified a test program taken from AGG's examples to test the polygon
> clipping capability of following libraries.
> *Boost.Polygon
> *GPC
> *Clipper
>
> Here are some observations:
> 1) The proccesing speed (fastest to slowest): Clipper > GPC > Boost.Polygon
> 2) With "xor", although the results seems the same, they have different
> countours numbers (Clipper the least).
> 3) Boost.Polygon has a strange behavior that it sometimes produces erroneous
> vertical lines within the polygons.
> In this example, with "or" operation you'll see that.
>
> I put the test files here:
> http://tinyurl.com/2axoqxc
>
> Anyone who wants to compile it will also need AGG and Clipper on your
> computer.

Cannot download your files, says they are unavailable (although I see
them fine...).