[Paraview] Error with EnSight6 reader with "transient single file format" and "scalar per element" variable

[Robert Maynard]

I have added this fix to VTK master and it should be in for the 3.14
release of ParaView.

On Tue, Feb 14, 2012 at 10:39 AM, David Luet <luet at princeton.edu> wrote:

> Hi Berk,
> Thanks for your answer. I am pretty sure that there is a bug in the
> reader. Specifically in the file vtkEnSight6Reader.cxx. I have modified the
> source and now the problem is fixed. I have attached a patch to correct the
> problem. Could you include this patch if not in the 3.12 version at least
> in the next RC? We have users of our solver who need Ensight6 reader.
> Thanks,
> David
>
>
> On Fri, Feb 10, 2012 at 12:59 PM, Berk Geveci <berk.geveci at kitware.com>wrote:
>
>> Hi David,
>>
>> I just responded to what seems to be a related question. I wrote the
>> following:
>>
>> -------------
>>
>> Hi Jean,
>>
>> I looked at the dataset and it looks fine at first glance. It is possible
>> that this is a bug in the reader. Unfortunately, we don't do any work on
>> that particular reader because Ensight 6 is a very old format and not in
>> active use. Is there any way you can try the Ensight Gold format? To see an
>> example of this sort of thing working, download VTKData from:
>>
>> http://vtk.org/VTK/resources/software.html
>>
>> In there, look for blow1_ascii.case and associated files.
>>
>> Also, this may have something to do with the way the file is written. I
>> noticed that the displacement are written in a Fortran style with no spaces
>> between the numbers. I am not sure if our parser (which uses C++) supports
>> that or not.
>>
>> On Thu, Feb 9, 2012 at 5:53 PM, David Luet <luet at princeton.edu> wrote:
>>
>>> Hi,
>>> When loading an Ensight 6, ASCII with  "transient single file format"
>>> and "scalar per element" variable in paraview I get the error message:
>>> *ERROR: In
>>> /home/kitware/Dashboards/MyTests/ParaView-master/VTK/IO/vtkEnSight6Reader.cxx,
>>> line 1187*
>>> *vtkEnSight6Reader (0x24b5640): invalid element type*
>>> The message is repeated twice when loading a file with 3 time steps.
>>>
>>> I have attached a simple example as a tarball. Here are the specs of the
>>> example:
>>> - geometry: 8 nodes, 2 elements (quad4).
>>> - variables:
>>>    - vector per node: displacements.
>>>    - scalar per element: pressure.
>>> - 3 time steps
>>>
>>> The tarball has two subdirectories:
>>> - AsciiMultipleFile: the example in a "transient multiple file format"
>>> - AsciiSingleFile: the example in a "transient single file format"
>>>
>>> The "transient multiple file format" works. The "transient single file
>>> format" works if only the geometry and the "vector per node" variables
>>> (displacement) are specified, but fails if the "scalar per element"
>>> variables (pressure) are included. The "transient single file format" files
>>> were basically built by concatenating the "transient multiple file format"
>>> files and adding the "BEGIN TIME STEP" and "END TIME STEP" headers between
>>> the time steps.
>>>
>>> I am running paraview v. 3.12.0 Linux x86, 64 bit that I downloaded as a
>>> binary, on a Linux CentOS 5.7 (x86_64).
>>>
>>> Thanks,
>>> David
>>>
>>>
>>>
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>>
>
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-- 
Robert Maynard
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