> On 22 Dec 2016, at 18:52, Grégory LEGRAIN
> wrote:
>
> I have also seen this in the last version of gmsh (even for P1 fields). It
> seems linked to the lighting : if you swap the viewpoint from +z to -z,
> everything is OK.
> Alternatively, you can also disable lighting in the options of the view.
>
The default lighting option changed in recent builds, from "two-side" to
"single side" : beside being faster, it also allows to see when surfaces are
not oriented correctly.
You can restore "two-side" lighting in Options->Color->Use two-side lighting.
Adaptive visualization can indeed change the orientation of the mesh: we will
fix this.
Christophe
> Best regards,
> Gregory
>
> Le 21/12/2016 à 19:09, Martin Vymazal a écrit :
>> Hello,
>>
>> when I open a field stored in gmsh on high-order elements (i.e. at least P2)
>> and click on Tools -> Options -> Adapt visualization grid, the colors in the
>> plot suddenly become much darker (observed with recent builds of gmsh).
>> These colors are then preserved when I save the plot to a file (say png).
>> Could you please fix this. Thank you.
>>
>> Best regards,
>>
>> Martin
>>
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Prof. Christophe Geuzaine
University of Liege, Electrical Engineering and Computer Science
http://www.montefiore.ulg.ac.be/~geuzaine
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