[Gmsh] eps file output with gmsh

[Christophe Geuzaine]

> Andre Nicolet wrote:
>
>> Hi,
>>
>> I use the eps (or ps) output of gmsh to produce some image of a 
>> "filled isovalue map" to include it in a LaTeX document... 
>> Unfortunately, a persisting "ghost" triangulation (see the attached 
>> file) makes the image quite dirty (I noticed it a long time ago with 
>> the secret hope that it would disappear with further releases but it 
>> didn't...)! I tried several variants without success, it only 
>> disappeared with the "raster" mode but at the price of an 
>> unacceptable loss of quality! Is this intrinsic to PostScript (I can 
>> not believe it) or a bug (maybe numerical inaccuracies during the 
>> conversion computations...)?
>>
>
> Hello Andre - This is actually only due to the fact that most PostScript
> previewers nowadays antialias the graphic primitives when they display
> the page on screen. (In gv, you can disable antialiasing with the
> 'State->Antialias' menu.)
>
> You should *not* see this ghost triangulation in the printed output (on
> paper).

That is right: the printed output is nice (Homme de peu de foi, pourquoi
as-tu douté ?). I use gsview 4.6 and when I set: Media-> Display
Settings...-> Graphics Alpha=1 , the effect indeed disappears!
Thank's lot!
Bye
Andre

-- 


---------------------------------------------------------------------------------
Prof. André Nicolet
Université Paul Cézanne
Institut Fresnel (UMR CNRS 6133)
Domaine Universitaire de Saint-Jérôme
F13397 Marseille cedex 20
France
tel: +33 4 91 28 87 73
fax: +33 4 91 67 44 28
E-mail: andre.nicolet at fresnel.fr