CGAL users discussion list

[Sebastian Bachmann <>]

Hi,

Ahh okay, I thought it was fixed in make_mesh_3!
I should have checked the actual commit's content... There it is obvious...

I'll check again with the custom init!

Best,
Sebastian


On 25.05.2023 12:51, Andreas Fabri wrote:
> Hi Sebastian,
>
> Even 5.5.2 needs a call to custom initialization.
>
> https://doc.cgal.org/latest/Mesh_3/Mesh_3_2mesh_3D_image_with_custom_initialization_8cpp-example.html
>
> So you must add
>
> #include <CGAL/Mesh_3/initialize_triangulation_from_labeled_image.h>
>
> and then call
>
>   C3t3 c3t3;
>    initialize_triangulation_from_labeled_image(c3t3,
>                                                domain,
>                                                image,
>                                                criteria,
> static_cast<unsigned char>(0));
>    CGAL::refine_mesh_3(c3t3, domain, criteria);
>
> Best,
> Andreas
>
> On 5/25/2023 9:15 AM, Sebastian Bachmann ( via cgal-discuss 
> Mailing List) wrote:
> > I tested this now in 5.5.2 (according to github it should be in there 
> > as well?) but I cannot see any difference to 5.4 - except when using 
> > the custom init (see attached image). Code is still this one: 
> > https://gist.github.com/reox/0df1f446f0ff9d46e0688b60e8e858b8
> >
> > Best,
> > Sebastian
> >
> > On 25.05.2023 08:32, Sebastian Bachmann ( via 
> > cgal-discuss Mailing List) wrote:
> > > Hi!
> > > Thanks for the hint as well!
> > > I'm using  5.4 / 1050401000.
> > > I'll also test with 5.4.4 (looks like that is the version where it 
> > > was merged?)
> > >
> > > However, also the custom initialization works really good so far.
> > > I fixed the seed for the random number generator to get deterministic 
> > > results, which works very well.
> > >
> > > Best,
> > > Sebastian
> > >
> > >
> > > On 25.05.2023 08:15, Jane Tournois wrote:
> > > > Hello,
> > > >
> > > > this local over-refinement issue has been fixed in the master branch 
> > > > by the following pull-request :
> > > > https://github.com/CGAL/cgal/pull/6978
> > > >
> > > > Which version of CGAL are you using?
> > > >
> > > > Best,
> > > >
> > > > Jane.