[Paraview] How to read the file info in *pvd file

[Ke Gao]

Thanks Cory. That's what I'm planning to do. It's really helpful.

Ke

On Wed, Dec 6, 2017 at 2:27 PM, Cory Quammen <cory.quammen at kitware.com>
wrote:

> Did you make progress on this? You should just be able to use your
> favorite Python XML module to locate all the <DataSet/> elements and
> find the "file" attributes to get the *pvtu file names. Then you can
> parse those *pvtu XML files to get whatever information you want. One
> such module is documented here:
> https://docs.python.org/2/library/xml.etree.elementtree.html.
>
> HTH,
> Cory
>
> On Wed, Nov 15, 2017 at 1:17 PM, Ke Gao <ke.gao.ut at gmail.com> wrote:
> > Actually, what I want to do is using python script to read *pvd file
> first
> > to get the name info of *pvtu files. Then use the *pvtu file name to read
> > through all of them one by one to extract the info I want. I'm not sure
> if
> > there is a better way to realize this.
> >
> > Many thanks.
> >
> > On Wed, Nov 15, 2017 at 11:05 AM, Cory Quammen <cory.quammen at kitware.com
> >
> > wrote:
> >>
> >> The file names are embedded in the same XML element as the time step:
> >>
> >> <DataSet timestep="+1.98800000e+03"  part="001" file="Sout_1012.pvtu"/>
> >>
> >> But I'll be that's not how you want to access them.
> >>
> >> Next question: From where do you want to access the file names? A Python
> >> script? In the UI?
> >>
> >> On Wed, Nov 15, 2017 at 12:35 PM, Ke Gao <ke.gao.ut at gmail.com> wrote:
> >>>
> >>> Hi,
> >>>
> >>> I mean how to get the file name info such as "Sout_1012.pvtu",
> >>> "Sout_1013.pvtu". Currently I can only read the timestep info such as
> >>> "+1.98800000e+03".
> >>>
> >>> Many thanks.
> >>>
> >>>
> >>> <?xml version="1.0"?>
> >>>   <VTKFile type="Collection" version="0.1" byte_order="LittleEndian">
> >>>   <Collection>
> >>>     <DataSet timestep="+1.98800000e+03"  part="001"
> >>> file="Sout_1012.pvtu"/>
> >>>     <DataSet timestep="+1.99000000e+03"  part="001"
> >>> file="Sout_1013.pvtu"/>
> >>>     <DataSet timestep="+1.99200000e+03"  part="001"
> >>> file="Sout_1014.pvtu"/>
> >>>
> >>> On Wed, Nov 15, 2017 at 10:33 AM, Cory Quammen <
> cory.quammen at kitware.com>
> >>> wrote:
> >>>>
> >>>> What do you mean by "file info"? File name? Size of the file? Data
> >>>> arrays in the file?
> >>>>
> >>>> - Cory
> >>>>
> >>>> On Tue, Nov 14, 2017 at 4:45 PM, Ke Gao <ke.gao.ut at gmail.com> wrote:
> >>>>>
> >>>>> Does anyone know how to read the file info from *pvd file? I know how
> >>>>> to get the time step values, just using the keyword of
> “TimestepValues”,
> >>>>> however, I tried different ways, still haven’t figured out how to
> read the
> >>>>> file info.
> >>>>>
> >>>>>
> >>>>> Thanks
> >>>>>
> >>>>> <?xml version="1.0"?>
> >>>>>   <VTKFile type="Collection" version="0.1" byte_order="LittleEndian">
> >>>>>   <Collection>
> >>>>>     <DataSet timestep="+1.98800000e+03"  part="001"
> >>>>> file="Sout_1012.pvtu"/>
> >>>>>     <DataSet timestep="+1.99000000e+03"  part="001"
> >>>>> file="Sout_1013.pvtu"/>
> >>>>>     <DataSet timestep="+1.99200000e+03"  part="001"
> >>>>> file="Sout_1014.pvtu"/>
> >>>>> --
> >>>>>
> >>>>> ............................................................
> ............................................................
> ......................
> >>>>> Ke Gao
> >>>>>
> >>>>> _______________________________________________
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> >>>>>
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> >>>>>
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> >>>>>
> >>>>
> >>>>
> >>>>
> >>>> --
> >>>> Cory Quammen
> >>>> Staff R&D Engineer
> >>>> Kitware, Inc.
> >>>
> >>>
> >>>
> >>>
> >>> --
> >>>
> >>> ............................................................
> ............................................................
> ......................
> >>> Ke Gao
> >>
> >>
> >>
> >>
> >> --
> >> Cory Quammen
> >> Staff R&D Engineer
> >> Kitware, Inc.
> >
> >
> >
> >
> > --
> > ............................................................
> ............................................................
> ......................
> > Ke Gao
>
>
>
> --
> Cory Quammen
> Staff R&D Engineer
> Kitware, Inc.
>



-- 
..............................................................................................................................................
Ke Gao
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