[Nek5000-users] First Visit file

nek5000-users at lists.mcs.anl.gov nek5000-users at lists.mcs.anl.gov
Thu Jan 6 12:14:56 CST 2011


Hello,

For some reason you have ASCII format which is usually triggered by param(66)<0 in .rea or an overwrite in .usr file with param(66)=0 instead of repo's param(66)=4 -- could you check you .usr file?

Visit reader may not work with it since it's optimized to work with large datasets for which ASCII format is prohibitive.

Aleks 



----- Original Message -----
From: nek5000-users at lists.mcs.anl.gov
To: nek5000-users at lists.mcs.anl.gov
Sent: Thursday, January 6, 2011 12:04:11 PM
Subject: Re: [Nek5000-users] First Visit file

Hi,

I used a test case (10 dump files from test1.fld01 to test1.fld10) which
head sections look like this (test1.fld01):

------------------------------------------------------------------------
 100  12  12   1 2.0000000E-02   10 X Y U P
NELT,NX,NY,N
  0.000      0.000      0.000      0.000      0.000      0.000    
  0.000      0.000      0.000      0.000      0.000      0.000    
  0.000      0.000      0.000      0.000      0.000      0.000    
  0.000      0.000      0.000      0.000      0.000      0.000    
  0.000      0.000      0.000      0.000      0.000      0.000    
  0.000      0.000      0.000      0.000      0.000      0.000    
  0.000      0.000      0.000      0.000      0.000      0.000    
  0.000      0.000      0.000      0.000      0.000      0.000    
  0.000      0.000      0.000      0.000      0.000      0.000    
  0.000      0.000      0.000      0.000      0.000      0.000    
  0.000      0.000      0.000      0.000      0.000      0.000    
  0.000      0.000      0.000      0.000      0.000      0.000    
  0.000      0.000      0.000      0.000      0.000      0.000    
  0.000      0.000      0.000      0.000      0.000      0.000    
  0.000      0.000      0.000      0.000      0.000      0.000    
  0.000      0.000      0.000      0.000      0.000      0.000    
  0.000      0.000      0.000      0.000    
  0.000000E+00  0.000000E+00  0.000000E+00  0.000000E+00  1.154895E+01
  2.755036E-03  0.000000E+00  0.000000E+00  0.000000E+00  1.080465E+01
  9.036034E-03  0.000000E+00  0.000000E+00  0.000000E+00  9.776687E+00
...
------------------------------------------------------------------------

the test1.nek3d file obtained after running the script contains:

------------------------------------------------------------------------
NEK3D
filetemplate: test1.fld%02d
firsttimestep: 1
numtimesteps: 10
meshcoords: 1
------------------------------------------------------------------------

However Visit is unable to read it:

------------------------------------------------------------------------
The file format reader issued the following error message, which may (or
may not) be indicative of the problem:

VisIt believes this is a "Nek" file. Further, the reader for this format
believes this is a non-compliant file of this type. Its description of
non-compliance is: "A tag called filetemplate: must be specified"
------------------------------------------------------------------------

Thanks.

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