CGAL users discussion list

[Andreas Fabri <>]

Sebastian Marino wrote:
> Looking at Chapter 35: 3D Surface Mesh Generation, I'd like to reproduce 
> Example 35.3.1: Meshing an Implicit Surface.
>
> While trivial to get the provided example code up and running, I am 
> having trouble extracting a discrete mesh suitable for visualization via 
> OpenGL.
>
> Any wisdom regarding how to extract a list of finite vertices and facets 
> from the resulting CGAL::Complex_2_in_triangulation_3 from 
> CGAL::make_surface_mesh(...) would be greatly appreciated.  I find the 
> iterators in this instance to be very confusing, and while I'm sure I 
> can figure this out fairly quickly, the level of complexity has me 
> wondering if I've missed something obvious and want to make sure any 
> code I write is in like with the proper utilization of the CGAL library.
>
> Thanks in advance for your time.
> -Sebastian Marino


Hi Sebastian,

We are aware of the fact that a function that extracts a Polyhedron_3
out of the Complex_2_in_triangulation_3 is a missing feature.

So for the moment it is as complex as you feel it.

andreas