CGAL users discussion list

[Andreas Fabri <>]

Hello,

I just added an example:
https://github.com/CGAL/cgal/pull/1638

Best,

Andreas

On 31/10/2016 12:46, Iason Manolas wrote:
> Hi,
>
> I am new to CGAL. I have constructed a CGAL::Polyhedron_3 and now I want
> to compute the normal vector for each of its vertices. So I found the
> Polygon Mesh Processing package which happens to have a function
> <http://doc.cgal.org/latest/Polygon_mesh_processing/group__PMP__normal__grp.html#gad46aaf003999b2939f3f9e4f6fa58d0e>
> doing exactly what I want . In the above link I found out that the
> second argument was of type  VertexNormalMap which is a model of
> WritablePropertyMap. There was a link
> <http://www.boost.org/doc/libs/1_62_0/libs/property_map/doc/WritablePropertyMap.html>
> to boost libraries explaining(?) what writable property map is .
>
> Unfortunately this is my first encounter with property maps and
> consequently I am a bit confused..
> I also had a look at cgal's explanation of property maps page
> <http://doc.cgal.org/latest/Property_map/index.html >, but I did not
> understand much..
>
> Could anyone suggest a way of creating the property map I need?
>
> Best Regards,
> Iason

--
Andreas Fabri, PhD
Chief Officer, GeometryFactory
Editor, The CGAL Project

phone: +33.492.954.912    skype: andreas.fabri