[Paraview] VTK Data File Scalars Analysis

[Cory Quammen]

VTK/IO/Legacy contains the various VTK file readers.

On Mon, Oct 19, 2015 at 10:33 AM, Guillermo Giraldo <guillegiraldo at gmail.com
> wrote:

> The VTK file format.
>
> El lun., oct. 19, 2015 9:20 AM, Cory Quammen <cory.quammen at kitware.com>
> escribió:
>
>> VTK and ParaView have many reader classes. Did you have a particular
>> format in mind?If not, then I suggest to navigate to VTK/IO/ and look at
>> the source code contained therein.
>>
>> HTH,
>> Cory
>>
>>
>>
>> On Mon, Oct 19, 2015 at 10:02 AM, Guillermo Giraldo <
>> guillegiraldo at gmail.com> wrote:
>>
>>> Thanks, now it's clear.
>>>
>>> If I'd like to find the actual VTK file reading process, where in the
>>> repository should I look?
>>>
>>> El vie., 16 de oct. de 2015 a la(s) 4:12 p. m., Cory Quammen <
>>> cory.quammen at kitware.com> escribió:
>>>
>>>> Guillermo,
>>>>
>>>> vtkSplitColumnComponents assigns the names based on a guess that
>>>> 3-component arrays are vectors with X, Y, Z components and 6-component
>>>> arrays represent symmetric 3x3 matrices, i.e.
>>>>
>>>> XX XY XZ
>>>> XY YY YZ
>>>> XZ YZ ZZ
>>>>
>>>> See ParaView/ParaViewCore/VTKExtensions/Core/vtkPVPostFilter.cxx, lines
>>>> 147-174.
>>>>
>>>> HTH,
>>>> Cory
>>>>
>>>> On Fri, Oct 16, 2015 at 12:28 PM, Guillermo Giraldo <
>>>> guillegiraldo at gmail.com> wrote:
>>>>
>>>>> Hi,
>>>>>
>>>>> I'd like to know how Paraview analyses scalar data from a VTK data
>>>>> file. Specially, how it extracts the components of a scalar and assigns
>>>>> names for color plots. For example if numComp is 3 they are named
>>>>> "Magnitude, X, Y and Z2, but if numComp is 6 they are named "Magnitude, XX,
>>>>> YY; ZZ, XY, XZ and YZ". How is this determined?
>>>>>
>>>>> Some questions I'd like to answer are: can this be done with only the
>>>>> VTK library? If not, are there any other library that can do it (e.g.
>>>>> paraview python)?
>>>>>
>>>>> Pointing to the specific code file in the git repository should be
>>>>> enough, but an explanation would be great!
>>>>>
>>>>> Thanks in advance and greetings.
>>>>> --
>>>>> Por favor confirmar recepción.
>>>>>
>>>>> Atte.
>>>>>
>>>>> Guillermo E. Giraldo Fernandez
>>>>> Cel. 301 628 6730
>>>>> Colombia - Suramérica
>>>>>
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>>>>>
>>>>
>>>>
>>>> --
>>>> Cory Quammen
>>>> R&D Engineer
>>>> Kitware, Inc.
>>>>
>>> --
>>> Por favor confirmar recepción.
>>>
>>> Atte.
>>>
>>> Guillermo E. Giraldo Fernandez
>>> Cel. 301 628 6730
>>> Colombia - Suramérica
>>>
>>
>>
>>
>> --
>> Cory Quammen
>> R&D Engineer
>> Kitware, Inc.
>>
> --
> Por favor confirmar recepción.
>
> Atte.
>
> Guillermo E. Giraldo Fernandez
> Cel. 301 628 6730
> Colombia - Suramérica
>



-- 
Cory Quammen
R&D Engineer
Kitware, Inc.
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