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Re: RE: Re: Re: [cgal-discuss][Nef_polyhedron]A morecomplexbutstillsimplequestion


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  • From: "Max" <>
  • To: "" <>
  • Subject: Re: RE: Re: Re: [cgal-discuss][Nef_polyhedron]A morecomplexbutstillsimplequestion
  • Date: Thu, 7 Feb 2008 10:28:45 +0800
  • Disposition-notification-to: "Max" <>
  • Organization: LoadCom

Hello Stephen,

Thanks for your information.
I'll test with this kernel and checkout the related archive.

B/Rgds
Max

>Hi guys,
>
>Please find the conversation Peter and I have on the archives, the
>half-spaces question has been answered previously there! Peter, you have
>sent these to me!
>
>Max, I also use double coordinates with half-plane operations. I have used
>Cartesian<Gmpq> (exact constructions, exact predicates).
>
>Stephen

>
>-----Original Message-----
>From: Max
>[mailto:]
>Sent: February-06-08 5:10 AM
>To:
>
>Subject: Re: Re: Re: [cgal-discuss][Nef_polyhedron]A more
>complexbutstillsimplequestion
>
>>I might have asked you this before, but why do you need halfspaces? If
>>you only need halfspaces to perform intersections, then you don't need
>>the extended kernels. I wrote an intersection routine that intersects a
>>halfspace with a Nef polyhedron without constructing the halfspace
>>explicitly.
>
>where can I found the routine?
>Thanks
>
>B/Rgds
>Max
>>
>>Peter
>



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