[Paraview] [EXTERNAL] Decode a vtu file

[Andi Hartarto]

Thank you so much for helping !!
That is all i needed.

Thank you,
Andi

On 16 January 2017 at 17:45, Mark Olesen <Mark.Olesen at esi-group.com> wrote:

> Hi Andi,
>
> The document that Ken referenced (pg 15 onwards are what you need) are
> actually enough. However if I understand correctly, you probably just want
> a really quick solution and don't want to wade through all the details. My
> suggestion would be to load your file in paraview and then re-save it from
> there.
>
> File > Save Data: vtm/vtp/vtu ...
>
> You should get a "Configure Writer" dialog. Select the appropriate data
> mode (ASCII, unencoded) and this should give you really quick insight into
> the contents in an easily readable form.
>
> Cheers,
> /mark
>
> ________________________________________
> From: ParaView <paraview-bounces at paraview.org> on behalf of Andi Hartarto
> <andi3173 at gmail.com>
> Sent: Saturday, January 14, 2017 7:58 AM
> To: Moreland, Kenneth
> Cc: paraview at paraview.org
> Subject: Re: [Paraview] [EXTERNAL]  Decode a vtu file
>
> Dear Kenneth,
>
> Thank you for helping but i didn't mean understanding the text document if
> that is what you mean.
> I mean I want to access the appended data in base 64.
>
> Maybe in command module somehow
> (code to show the data)
> data ..
>
> Thank you,
> Andi
>
> On 14 January 2017 at 03:49, Moreland, Kenneth <kmorel at sandia.gov<mailto:
> kmorel at sandia.gov>> wrote:
> Documentation for vtu file format (and several other standard VTK formats)
> is here:
>
> http://www.vtk.org/VTK/img/file-formats.pdf
>
> -Ken
>
> From: ParaView [mailto:paraview-bounces at paraview.org<mailto:paraview-
> bounces at paraview.org>] On Behalf Of Andi Hartarto
> Sent: Thursday, January 12, 2017 7:54 PM
> To: paraview at paraview.org<mailto:paraview at paraview.org>
> Subject: [EXTERNAL] [Paraview] Decode a vtu file
>
> Hello all,
>
> Can I please have guidance/help in decoding a vtu file?
>
> My file is a
> <?xml version="1.0"?>
> <VTKFile type="UnstructuredGrid" version="0.1" byte_order="LittleEndian"
> compressor="vtkZLibDataCompressor">
>   <UnstructuredGrid>
>     <Piece NumberOfPoints="116"                  NumberOfCells="1052"
>           >
>       <PointData>
>       </PointData>
>       <CellData>
>         <DataArray type="Int32" Name="TetrahedraRank" format="appended"
> RangeMin="1"                    RangeMax="2"                    offset="0"
>                  />
>         <DataArray type="Int32" Name="TetrahedraNo" format="appended"
> RangeMin="0"                    RangeMax="262"
> offset="188"                 />
>       </CellData>
>       <Points>
>         <DataArray type="Float32" Name="Points" NumberOfComponents="3"
> format="appended" RangeMin="2003013.3465"         RangeMax="2003224.1668"
>        offset="812"                 />
>       </Points>
>       <Cells>
>         <DataArray type="Int64" Name="connectivity" format="appended"
> RangeMin=""                     RangeMax=""
>  offset="1680"                />
>         <DataArray type="Int64" Name="offsets" format="appended"
> RangeMin=""                     RangeMax=""
>  offset="5892"                />
>         <DataArray type="UInt8" Name="types" format="appended"
> RangeMin=""                     RangeMax=""
>  offset="8116"                />
>       </Cells>
>     </Piece>
>   </UnstructuredGrid>
>   <AppendedData encoding="base64">
>   (data long list)
>
> The file can be found in this link:
> https://drive.google.com/open?id=0BzmZiSDoM7l3U2poYWNTbUhBWVU
>
> I don't understand how to decode a vtk file and couldn't find anything in
> google. I've tried using some scripts in python for base64 but it didn't
> work..
>
> The reason why I need to decode this is because somehow this vtk file
> which load in paraview perfectly becomes a 2d file in another software
> "MOOSE" .. So I think somehow in the encoded data is telling the other
> software "only display the 2D intersection of blocks". But I want a 3D cube
> not a 2D surface. If someone knows about this please tell me .
>
> Thank you,
> Andi
>
>
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