CGAL users discussion list

[Manuel Caroli <>]

400555 wrote:
> Thank you for quick answer Manuel!
>
> The point is that Implicit_surface_3 has a second argument with type 
> Sphere_3:
Yes but as I understood you have a bounding box, right? So you can get 
the size and position of the bounding box and create a Sphere_3 from it 
which contains the bounding box entirely. Followingly it is a bounding 
sphere, which you can use as second argument to Implicit_surface_3.

Manuel
> Implicit_surface_3<Traits, Function> surface ( Function f, Sphere_3 
> <http://www.cgal.org/Manual/3.4/doc_html/cgal_manual/Kernel_23_ref/Class_Sphere_3.html#Cross_link_anchor_251> bounding_sphere, 
> FT error_bound = FT(1e-3));
> /
> /
>
> On Fri, Aug 7, 2009 at 5:09 PM, Manuel Caroli 
> < <mailto:>> 
> wrote:
>
>     Hi 400555,
>
>
>     400555 wrote:
>
>         Hello everyone !
>
>         To make surface with Implicit_surface_3 necessary to set
>         Bounding Sphere.
>
>         Is any way to use Bounding Box instead of it?
>
>     I don't know the surface mesher very well, but if you have a
>     bounding box you couldn't you use a sphere bounding the bounding box
>     as bounding sphere?
>
>
>         Also do you know last does CGAL version allow to make periodic
>         surfaces?
>
>     There are periodic triangulations available. However they don't
>     (yet) work together with the surface mesher as they have a slightly
>     different interface than the normal triangulations. We are working
>     on it.
>
>     best
>
>     Manuel
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