[Gmsh] postprocessing

[Umut Tabak]

Dear Gmsh experts,

I have some questions on postprocessing.

I  tried the  simple  example example on page 150 of the manual to see 
its effect and learn from that however I had a problem on the first try. 
I used the command line for this operation

gmsh test1.msh

which gave no result. I then kept on reading from the manual, I read 
that the post processing and geometry info, go in hand to hand, which is 
reasonable ;-)

Then I created a simple geometry file to create this mesh(in the 
attachments), then tried to merge these two from the graphical user 
interface but there is still no success out of that operation as well. 
Strangely, the example given on page 150 is a truncated version of the 
"view5.msh" given in the tutorial directory, without the multistep view 
geometry views. When I run this tutorial file, the mentioned lines 
commented, I can get  color map for the simple mesh(without any geometry 
includes on which I am confused).

But on my simple example I could not get this which is a bit strange for 
me(most probably there is sth. I am missing conceptually from the manual 
and examples).

Some clarification on this issue would be wonderful.
Best,
Umut
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