[Nek5000-users] trouble with visit

[nek5000-users at lists.mcs.anl.gov]

Hi Joerg,

What's your header (output of: head -1 blah0.f?????)

Justin

On Wed, 20 Mar 2013 14:10:44 +0100
nek5000-users at lists.mcs.anl.gov wrote:

> Hi Neks,
> 
> I am facing problems with the visualization in visit.
> The output of the three scalar fields uzt, epst, epsv
> is done is seen in the following line from my usr file.
> 
> Here, I wrote the data into four files (see further below). 
> I also attach the visit  script
> 
> !-------usr file-------------------------------------------------
>         tiny=1.e-16
>         do i=1,n
>          epst(i)=log(epst(i)+tiny)
>          epsv(i)=log(epsv(i)+tiny)
>         enddo
> 
> !-------No pressure field, no scalar output
>         ifpo=.false.
>         ifto=.false.
> 
>         call outpost2( uzt,epst,epsv,pr,t,0,'eps')
> 
>         ifpo=.true.
>         ifto=.true.
> 
> 
> 
> !-------Visit script------------------------------------------------
> NEK5000
> version: 1.0
> filetemplate: epsG1_64%d.f%05d
> firsttimestep: 1
> numtimesteps: 1
> 
> 
> 
> !-------the four files that have to be load into visit and which make
> up one snapshot-------------- -rw-r--r-- 1 josc1234 linux 2657536136
> 27. Feb 08:03 epsG1_640.f00001 -rw-r--r-- 1 josc1234 linux 2657536136
> 27. Feb 08:09 epsG1_641.f00001 -rw-r--r-- 1 josc1234 linux 2657536136
> 27. Feb 08:16 epsG1_642.f00001 -rw-r--r-- 1 josc1234 linux 2657536136
> 27. Feb 08:22 epsG1_643.f00001 -rw-r----- 1 josc1234 linux         87
> 20. M__r 13:37 vis.nek5000
> 
> 
> 
> !-------This is the error message in
> visit--------------------------------------- The compute engine
> running on makalu51.rz.tu-ilmenau.de has exited abnormally.
> 
> Shortly thereafter, the following occured...
> 
> The Pseudocolor plot of "y_velocity" for the file
> "/usr/wrk/people4/josc1234/nek5_visit/r095_Lx1_12_Ra1e8/vis.nek5000"
> could not be generated by the compute engine on host "localhost".
> 
> 
> 
> My questions:
> 
> Could it be that the graphics output should be in single precision?
> I saw that the people at KTH did have similar trouble.
> If yes, how can I switch to single precision in the usr file output?
> For smaller grid it worked.
> 
> Thanks in advance, Joerg. 
>   
> 
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