[Paraview] Write and read a vtk file (in python)

[Takuya OSHIMA]

Hi,

> This seems to be related to the way the LOCALE is set on your system. It is
> probably set to French in one case and English in the other. Does anybody know
> if we can force LOCALE to English in the ParaView application or the reader?

Indeed, forcing the locale where the PV application runs under to C
was what I proposed a while ago, which failed to draw attention:
http://www.paraview.org/pipermail/paraview/2009-August/013278.html

I'd really appreciate if the PV developers reconsider this.

Takuya

Takuya OSHIMA, Ph.D.
Faculty of Engineering, Niigata University
8050 Ikarashi-Ninocho, Nishi-ku, Niigata, 950-2181, JAPAN


From: Berk Geveci <berk.geveci at kitware.com>
Subject: Re: [Paraview] Write and read a vtk file (in python)
Date: Fri, 4 Jun 2010 09:25:02 -0400

> > 1) reading :
> > ------------
> >
> > from a vtkStructuredGrid object, I use a vtkStructuredGridWriter to create a
> > vtk file, and I have the following problem :
> > when I launch the script in Paraview, the format of floating points is not
> > good (I obtain for example 33,1632 instead of 33.1632). So, the file created
> > is not readable by Paraview. If I launch the script directly in a terminal,
> > it works fine. Perhaps because the version of vtk module is not the same ?
> > If I use the binary format I have not this problem.
> 
> This seems to be related to the way the LOCALE is set on your system. It is
> probably set to French in one case and English in the other. Does anybody know
> if we can force LOCALE to English in the ParaView application or the reader?
> 
> > 2) writing :
> > ------------
> >
> >  I would like to read my vtk files from the python shell, with
> > OpenDataFile(), but It didn't succeed and I have the following message (with
> > a file which can be read in paraview using menu open of course :-) :
> 
> Unless I am mistaken, you give the filename directly to OpenDataFile(),
> without FileName=.
> 
> -berk
> 
> >
> >
> > /home/plumecoq/tmp/ParaView/flow_1_0075.vtk
> > Traceback (most recent call last):
> >  File "<string>", line 1, in <module>
> >  File "/home/plumecoq/EHPOC/plugins/ElsaMenu/elsa.py", line 91, in <module>
> >    main()
> >  File "/home/plumecoq/EHPOC/plugins/ElsaMenu/elsa.py", line 73, in main
> >    reader_vtk = OpenDataFile(file_name_vtk)
> >  File
> > "/home/plumecoq/Paraview/ParaView-3.8.0-bin/Utilities/VTKPythonWrapping/paraview/simple.py",
> > line 115, in OpenDataFile
> >    reader = globals()[xml_name](FileName=filename, **extraArgs)
> >  File
> > "/home/plumecoq/Paraview/ParaView-3.8.0-bin/Utilities/VTKPythonWrapping/paraview/simple.py",
> > line 542, in CreateObject
> >    setattr(px, param, params[param])
> >  File
> > "/home/plumecoq/Paraview/ParaView-3.8.0-bin/Utilities/VTKPythonWrapping/paraview/servermanager.py",
> > line 201, in __setattr__
> >    "to add this attribute.")
> > AttributeError: Attribute FileName does not exist.  This class does not
> > allow addition of new attributes to avoid mistakes due to typos. Use
> > add_attribute() if you really want to add this attribute.
> >
> >
> > any ideas ? I try to use LegacyVTKFileReader instead, but I have also some
> > problems.
> >
> > I use a re-compile version of Paraview 3.8, under Linux (Fedora 10 - 64
> > bits)
> >
> > thanks for your help.
> >
> > Jérôme
> >
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