CGAL users discussion list

["Sebastien Loriot (GeometryFactory)" <>]

On 02/19/2015 10:01 AM, thierry Fernandez wrote:
> ok but i want to construct Nef_Polyedron_3 with plane_3, and this 2
> kernels doesn't work.

Sorry for not having guessed, my daughter broke my crystal ball
recently.

You're in the unlucky case where you indeed need to use an extended 
kernel like in this example:
http://doc.cgal.org/latest/Nef_3/index.html#Nef_3UsinganExtendedKernel
See also:
http://doc.cgal.org/latest/Nef_3/index.html#sectionNef_3InfiBox

Sebastien.

> 2015-02-19 9:21 GMT+01:00 Sebastien Loriot (GeometryFactory)
> <
>  
> <mailto:>>:
>
>     On 02/18/2015 04:14 PM, tfern90 wrote:
>
>         why so many kernel in cgal ????
>
>     See http://www.cgal.org/FAQ.html#__kernels
>     <http://www.cgal.org/FAQ.html#kernels>
>
>     In practice, Exact_predicates_inexact___constructions_kernel and
>     Exact_predicates_exact___constructions_kernel will fit most of the
>     needs.
>
>     Sebastien.
>
>
>
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