CGAL users discussion list

[Sebastien Loriot <>]

If you put you spiral into a CGAL::Surface_mesh object, then you can 
call the CGAL::draw function to diplay the mesh.

https://doc.cgal.org/latest/Surface_mesh/group__PkgDrawSurfaceMesh.html

Sebastien.

On 1/22/24 11:19, Shaad Alaka ( via cgal-discuss 
Mailing List) wrote:
> Greetings,
>
>
>
> I've been tasked with creating a visualization for a 3D spiral that 
> spirals upwards, where it is especially important to convey some 
> information with regards to each node and edge, e.g. by coloring them. 
> The goal is to color the nodes according to how close they are to the 
> center of the edge at a lower level in the spiral (node offset), and the 
> edges according to their length.
>
>
> My initial approach is to take the polygon viewer example, extend the 
> polygon representation to 3D, and then just build a spiral by adding 
> nodes/edges to that (since they can also be colored) while keeping track 
> of them in a custom-made data structure, where I can also easily do the 
> node offset query and traverse the spiral.
>
>
> However the CGAL library is quite extensive, so I am wondering whether 
> there is already anything built in (e.g. an existing data structure + 
> viewer) that is more suitable for this than my proposed approach.
>
>
> Thanks for reading!
>
>
>
> Kind regards,
>
> Shaad
>
>
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