CGAL users discussion list

[Maxime Gimeno <>]

Oh ok, it's the same. February is the date it got integrated. 

Le mer. 10 mars 2021 à 11:17, David Rochera <> a écrit :

Hi, Maxime,

No, it is not that recent. I have a PR version by date when you fixed some OpenGL problems in Mac OS distributions (I think it was by January). I don't know if things have changed since then...

Best wishes,

David

On Wed, 10 Mar 2021 at 11:12, Maxime Gimeno <> wrote:

Hi,

 How recent is your version ? We did a fix for macOS the 5th of February, is it that recent ?

Le mer. 10 mars 2021 à 11:07, David Rochera <> a écrit :

Hello everybody,

I found what seems to be a bug in the Polyhedron demo, maybe it is already known (I'm using a recent version of CGAL in MacOS). 

It is regarding the "alpha value" of a surface mesh. It only works properly for the full opacity, for any other value, the original figure loses its opacity and a duplicated figure (with the correct opacity) is generated at some other place but scaled by some factor (see the attached figure as an example). Moreover, the edges of this second figure disappear while rotating the scene holding any button of the mouse.

Thank you very much and best regards,

David

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