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Re: [cgal-discuss] Nef_Polyhderon - Complement


Chronological Thread 
  • From: "Sebastien Loriot (GeometryFactory)" <>
  • To:
  • Subject: Re: [cgal-discuss] Nef_Polyhderon - Complement
  • Date: Thu, 14 Jun 2012 10:01:03 +0200

For import from polyhedron, the boundary is included.

Sebastien.

On 06/14/2012 09:43 AM, Luis Rodriguez wrote:

Hi Juan Luis,

We are getting the nef polydrons from a conversion of an OFF file into a
Polydron and then into Nef Polydron. As we didn't specify any parameters
but the ones contained in the OFF file, does it mean that we are getting
a default Nef_Polyhedron? (compliment not containing border)


Thank you,

Luis R.

On Thu, Jun 14, 2012 at 12:25 AM, Juan Luis
<
<mailto:>>
wrote:

Hi,

if you take a look to CGAL manual...


http://www.cgal.org/Manual/latest/doc_html/cgal_manual/Nef_2_ref/Class_Nef_polyhedron_2.html#Cross_link_anchor_1034

and go to Creation section, take a look on the third constructor. This
constructor is used for creating a NEF_Polyhedron based on the
vertices of a polyhedron. The third optional parameter sets if the
boundary is or not included. So, it depends how your Nef_Polyhedron
was created. If you didn't specify this parameter, the original
Nef_Polyhedron contains the the border and so it's complement will not
contain the border.

Did you use third constructor?

Regards,
Juan Luis.







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