[Gmsh] Print a Correct GIF Picture

[Christophe Geuzaine]

Uwe Blechard wrote:
> Hi Gmsh group,
> 
> I have a problem with the correct figure of a GIF file. Sometimes the 
> picture has a wrong skaling or it shows only a part of the whole model
> (if you want, I can attache an example).
> 
> The situation is:
> 
> - I have a skript file to display the results of a FEM calculation
>   in Gmsh
> - after that, I scale the size of the Gmsh window by
>     General.GraphicsHeight
>     General.GraphicsWidth
> - after that two last command, I started a print command to write a GIF 
>   picture
> - afterwards I scale the picture again with an other scale value and
>   print it to an other GIF file
> 
> Often I get a wrong GIF picture, which shows a part of the model or
> strips and pixel and so on. Unfortunately this problem is not
> reproducible. Sometimes all is right and sometimes not.
> 
> I used some option in my batch file (f.e. Draw; BoundingBox;
> Sleep; General.FastRedraw = 0; General.DoubleBuffer = 0;) 
> to solve this problem. Nothing solves the problem really.
> 
> Question: Have you got some ideas, some proposal, some
> command parameter, which I can tested and solve the problem.


1) does it also happen with other image formats (png, jpeg)?

2) do you see the same problem when running e.g. tutorial/t8.geo?


> 
> I tested this behavior on a UNIX HP and also on LINUX with
> 1.60.
> 
> Thanx for your help.
> 
> Best regards,
> Uwe Blechard
> 
> 
> 


-- 
Christophe Geuzaine
Assistant Professor, Case Western Reserve University, Mathematics
http://www.case.edu/artsci/math/geuzaine