Matthew Brown | 25 May 20:04 2016
Picon

PV 5.0.1 client-server crashing for some datasets

I have recently built and installed ParaView 5.0.1 on one of our clusters and am having issues when loading most datasets that I have tried.

1. remote rendering seems to work with no issues:  I can make spheres and cylinders and move them around and color their sections according the core doing the processing
2. the ParaView tutorial dataset (from http://www.paraview.org/Wiki/The_ParaView_Tutorial) named headsq.vti can load and render remotely with no problems
3. loading either of the other two tutorial datasets (can.ex2 or disk_out_ref.ex2) causes the application to crash
4. The remote client machine (running ParaView5.0.1) can open all of these datasets with no problem

Crash details:
a. data set variables show up correctly in the Properties pane, but Information seems unavailable: all the fields under statistics and data arrays have values "NA", but time indices look correct
b. clicking "Apply" causes the client application on the remote machine and pvserver on the cluster to die
c. client-side standard output: 
####################-begin-####################
$ ./paraview 
AutoMPI: SUCCESS: command is:
 "/Applications/paraview.app/Contents/MacOS/mpiexec" "-np" "2" "/Applications/paraview.app/Contents/bin/pvserver" "--server-port=56934"
AutoMPI: starting process server
-------------- server output --------------
Waiting for client...
AutoMPI: server successfully started.
ERROR: In /Users/kitware/buildbot-slave/paraview-bigmac-osx-shared-release_opengl2_osx10_7_qt4_superbuild/build/paraview/src/paraview/ParaViewCore/ServerImplementation/Core/vtkSIProxy.cxx, line 310
vtkSIProxy (0x7f93f3a2ead0): Failed to create vtkHAVSVolumeMapper. Aborting for debugging purposes.


Abort trap: 6
####################-end-####################

d. cluster-side standard output:
####################-begin-####################
[brownm12 <at> nr019 ~]$ mpirun -n 2 pvserver
Waiting for client...
Connection URL: cs://nr019:11111
Accepting connection(s): nr019:11111
Client connected.
ERROR: In /opt/build/BUILD/ParaView-5.0.1-Source/VTK/Parallel/Core/vtkSocketCommunicator.cxx, line 809
vtkSocketCommunicator (0x2f81200): Could not receive tag. 1

Exiting...
Exiting...
####################-end-####################

Build information: 
cluster: CentOS 7, gcc-4.7.2, openmpi-1.8.5, python 2.7.10, ParaView 5.0.1. I can provide more details if needed, but I'm not sure what would be most relevant

It seems to me that the issue may be with how the cluster is opening the datasets.  I would like some advice or ideas on how to resolve or continue troubleshooting the problem.

Thanks,

Matt


<div><div dir="ltr">I have recently built and installed ParaView 5.0.1 on one of our clusters and am having issues when loading most datasets that I have tried.<div><br></div>
<div>1. remote rendering seems to work with no issues: &nbsp;I can make spheres and cylinders and move them around and color their sections according the core doing the processing</div>
<div>2. the ParaView tutorial dataset (from&nbsp;<a href="http://www.paraview.org/Wiki/The_ParaView_Tutorial">http://www.paraview.org/Wiki/The_ParaView_Tutorial</a>) named headsq.vti can load and render remotely with no problems</div>
<div>3. loading either of the other two tutorial datasets (can.ex2 or disk_out_ref.ex2) causes the application to crash</div>
<div>4. The remote client machine (running ParaView5.0.1) can open all of these datasets with no problem</div>
<div><br></div>
<div>Crash details:</div>
<div>a. data set variables show up correctly in the Properties pane, but Information seems unavailable: all the fields under statistics and data arrays have values "NA", but time indices look correct<br>
</div>
<div>b. clicking "Apply" causes the client application on the remote machine and pvserver on the cluster to die</div>
<div>c. client-side standard output:&nbsp;</div>
<div>
<div>####################-begin-####################<br>
</div>
<div>$ ./paraview&nbsp;</div>
<div>AutoMPI: SUCCESS: command is:</div>
<div>&nbsp;"/Applications/paraview.app/Contents/MacOS/mpiexec" "-np" "2" "/Applications/paraview.app/Contents/bin/pvserver" "--server-port=56934"</div>
<div>AutoMPI: starting process server</div>
<div>-------------- server output --------------</div>
<div>Waiting for client...</div>
<div>AutoMPI: server successfully started.</div>
<div>ERROR: In /Users/kitware/buildbot-slave/paraview-bigmac-osx-shared-release_opengl2_osx10_7_qt4_superbuild/build/paraview/src/paraview/ParaViewCore/ServerImplementation/Core/vtkSIProxy.cxx, line 310</div>
<div>vtkSIProxy (0x7f93f3a2ead0): Failed to create vtkHAVSVolumeMapper. Aborting for debugging purposes.</div>
<div><br></div>
<div><br></div>
<div>Abort trap: 6</div>
</div>
<div>####################-end-####################</div>
<div><br></div>
<div>d. cluster-side standard output:</div>
<div>
<div>####################-begin-####################<br>
</div>
<div>[brownm12 <at> nr019 ~]$ mpirun -n 2 pvserver</div>
<div>Waiting for client...</div>
<div>Connection URL: cs://nr019:11111</div>
<div>Accepting connection(s): nr019:11111</div>
<div>Client connected.</div>
<div>ERROR: In /opt/build/BUILD/ParaView-5.0.1-Source/VTK/Parallel/Core/vtkSocketCommunicator.cxx, line 809</div>
<div>vtkSocketCommunicator (0x2f81200): Could not receive tag. 1</div>
<div><br></div>
<div>Exiting...</div>
<div>Exiting...</div>
</div>
<div>####################-end-####################<br>
</div>
<div><br></div>
<div>Build information:&nbsp;</div>
<div>cluster: CentOS 7, gcc-4.7.2, openmpi-1.8.5, python 2.7.10, ParaView 5.0.1. I can provide more details if needed, but I'm not sure what would be most relevant</div>
<div><br></div>
<div>It seems to me that the issue may be with how the cluster is opening the datasets.&nbsp; I would like some advice or ideas on how to resolve or continue troubleshooting the problem.</div>
<div><br></div>
<div>Thanks,</div>
<div><br></div>
<div>Matt</div>
<div><br></div>
<div><br></div>
</div></div>
Stephanie Wollherr | 24 May 09:36 2016
Picon

using contour plot with xdmf input


Hi all,

I'm using a xdmf input file to visualize my data output from a
simulation. Before, the output format was vtk. I could easily do contour
plots using
CellDataToPointData and than apply the Contour button.
However with the xdmf format this is no longer possible.
There is no error but it just does not display anything.

I came across this
https://cmake.org/pipermail/paraview/2015-December/035852.html
where another user run into this problem, but it seems that there was no
answer on this.

I was wondering if there is already a solution or if someone can help me
with this?
Thank you already in advance!

Stephanie

ps:
I'm using paraview 4.3 on linux.
My xdmf file looks like that:
<?xml version="1.0" ?>
<!DOCTYPE Xdmf SYSTEM "Xdmf.dtd" []>
<Xdmf Version="2.0">
 <Domain>
  <Topology TopologyType="Triangle" NumberOfElements="147104">
   <DataItem NumberType="Int" Precision="8" Format="HDF"
Dimensions="147104 3">data-fault.h5:/connect</DataItem>
  </Topology>
  <Geometry name="geo" GeometryType="XYZ" NumberOfElements="441312">
   <DataItem NumberType="Float" Precision="8" Format="HDF"
Dimensions="441312 3">data-fault.h5:/geometry</DataItem>
  </Geometry>
  <DataItem NumberType="UInt" Precision="4" Format="HDF"
Dimensions="147104">data-fault.h5:/partition</DataItem>
  <DataItem NumberType="Float" Precision="8" Format="HDF"
Dimensions="         133 147104">data-fault.h5:/SRs</DataItem>
  <DataItem NumberType="Float" Precision="8" Format="HDF"
Dimensions="         133 147104">data-fault.h5:/SRd</DataItem>
  <DataItem NumberType="Float" Precision="8" Format="HDF"
Dimensions="         133 147104">data-fault.h5:/T_s</DataItem>
  <DataItem NumberType="Float" Precision="8" Format="HDF"
Dimensions="         133 147104">data-fault.h5:/T_d</DataItem>
  <DataItem NumberType="Float" Precision="8" Format="HDF"
Dimensions="         133 147104">data-fault.h5:/P_n</DataItem>
  <DataItem NumberType="Float" Precision="8" Format="HDF"
Dimensions="         133 147104">data-fault.h5:/u_n</DataItem>
  <DataItem NumberType="Float" Precision="8" Format="HDF"
Dimensions="         133 147104">data-fault.h5:/Ts0</DataItem>
  <DataItem NumberType="Float" Precision="8" Format="HDF"
Dimensions="         133 147104">data-fault.h5:/Td0</DataItem>
  <DataItem NumberType="Float" Precision="8" Format="HDF"
Dimensions="         133 147104">data-fault.h5:/Pn0</DataItem>
  <DataItem NumberType="Float" Precision="8" Format="HDF"
Dimensions="         133 147104">data-fault.h5:/Sls</DataItem>
  <DataItem NumberType="Float" Precision="8" Format="HDF"
Dimensions="         133 147104">data-fault.h5:/Sld</DataItem>
  <DataItem NumberType="Float" Precision="8" Format="HDF"
Dimensions="         133 147104">data-fault.h5:/Vr</DataItem>
  <DataItem NumberType="Float" Precision="8" Format="HDF"
Dimensions="         133 147104">data-fault.h5:/ASl</DataItem>
  <DataItem NumberType="Float" Precision="8" Format="HDF"
Dimensions="         133 147104">data-fault.h5:/PSR</DataItem>
  <Grid Name="TimeSeries" GridType="Collection" CollectionType="Temporal">
   <Grid Name="step_000000000000" GridType="Uniform">
    <Topology Reference="/Xdmf/Domain/Topology[1]"/>
    <Geometry Reference="/Xdmf/Domain/Geometry[1]"/>
    <Time Value="0.000608937"/>
    <Attribute Name="partition" Center="Cell">
     <DataItem Reference="/Xdmf/Domain/DataItem[1]" Dimensions="147104"/>
    </Attribute>
    <Attribute Name="SRs" Center="Cell">
     <DataItem ItemType="HyperSlab" Dimensions="147104">
      <DataItem NumberType="UInt" Precision="8" Format="XML"
Dimensions="3 2">0 0 1 1 1 147104</DataItem>
      <DataItem Reference="/Xdmf/Domain/DataItem[2]"/>
     </DataItem>
    </Attribute>
    <Attribute Name="SRd" Center="Cell">
     <DataItem ItemType="HyperSlab" Dimensions="147104">
      <DataItem NumberType="UInt" Precision="8" Format="XML"
Dimensions="3 2">0 0 1 1 1 147104</DataItem>
      <DataItem Reference="/Xdmf/Domain/DataItem[3]"/>
     </DataItem>
    </Attribute>
    <Attribute Name="T_s" Center="Cell">
     <DataItem ItemType="HyperSlab" Dimensions="147104">
      <DataItem NumberType="UInt" Precision="8" Format="XML"
Dimensions="3 2">0 0 1 1 1 147104</DataItem>
      <DataItem Reference="/Xdmf/Domain/DataItem[4]"/>
     </DataItem>
    </Attribute>
.......

Thomas Faribault-Ménard | 24 May 04:19 2016
Picon

Programmable filter - script for mean of two input PointSources

Hi,

I’m a beginner in ParaView. I have two Point Source as my inputs. My output is a third point source that has to be located at the mean of the coordinates of my inputs. 

I would prefer the solution to be in the form of a programmable python filter but I need a little help. 

Could you point me in the right direction please ?

<div>
<div>
<p><span></span><span>Hi,</span><br><br><span>I&rsquo;m a beginner in ParaView. I have two Point Source as my inputs. My output is a third point source that has to be located
 at the mean of the coordinates of my inputs.&nbsp;</span><br><br><span>I would prefer the solution to be in the form of a programmable python filter but I need a little help.&nbsp;</span><br><br><span>Could you point me in the right direction please ?</span><span></span><br></p>
</div>
</div>
Carlos Baumann | 23 May 22:13 2016
Picon

Thanks ! => RE: [Ext] Re: How to Annotate time steps when using VTK files ?

Utkarsh,

 

Thanks a lot, this is exactly what I needed !

 

Regards,

Carlos

 

From: Utkarsh Ayachit [mailto:utkarsh.ayachit <at> kitware.com]
Sent: Monday, May 23, 2016 2:28 PM
To: Carlos Baumann <CBaumann <at> slb.com>
Cc: paraview <at> paraview.org
Subject: [Ext] Re: [Paraview] How to Annotate time steps when using VTK files ?

 

Try using the "Annotate Global Data" filter instead. You can then choose to use the value from the field data array TIME.

 

On Mon, May 23, 2016 at 2:40 PM, Carlos Baumann <CBaumann <at> slb.com> wrote:

Hello ParaView !

 

I would like to annotate the actual Time using a series of .vtk files,

However it appears that with .vtk files ParaView is creating the time from the time step number, not from the T####.vtk part of the filename.

I also included  a “TIME” array with one entry as shown in the snapshot below, because Visit uses this data to track the time, but this is not recognized by Paraview.

 

What can I do to annotate the time based on the filename string suffix T####.vtk, in this case time would be for me in milliseconds,

or to use the data TIME in each time step as shown below  (time in seconds)

 

Thanks in advance.

Carlos

 

ParaView Snapshot with all the available data:

 


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<div>
<div class="WordSection1">
<p class="MsoNormal"><span>Utkarsh,<p></p></span></p>
<p class="MsoNormal"><span><p>&nbsp;</p></span></p>
<p class="MsoNormal"><span>Thanks a lot, this is exactly what I needed !<p></p></span></p>
<p class="MsoNormal"><span><p>&nbsp;</p></span></p>
<p class="MsoNormal"><span>Regards,<p></p></span></p>
<p class="MsoNormal"><span>Carlos<p></p></span></p>
<p class="MsoNormal"><span><p>&nbsp;</p></span></p>
<p class="MsoNormal"><span>From:</span><span> Utkarsh Ayachit [mailto:utkarsh.ayachit <at> kitware.com]
<br>Sent: Monday, May 23, 2016 2:28 PM<br>To: Carlos Baumann &lt;CBaumann <at> slb.com&gt;<br>Cc: paraview <at> paraview.org<br>Subject: [Ext] Re: [Paraview] How to Annotate time steps when using VTK files ?<p></p></span></p>
<p class="MsoNormal"><p>&nbsp;</p></p>
<div>
<p class="MsoNormal">Try using the "Annotate Global Data" filter instead. You can then choose to use the value from the field data array TIME.<p></p></p>
</div>
<div>
<p class="MsoNormal"><p>&nbsp;</p></p>
<div>
<p class="MsoNormal">On Mon, May 23, 2016 at 2:40 PM, Carlos Baumann &lt;<a href="mailto:CBaumann <at> slb.com" target="_blank">CBaumann <at> slb.com</a>&gt; wrote:<p></p></p>
<blockquote>
<div>
<div>
<p class="MsoNormal">Hello ParaView !<p></p></p>
<p class="MsoNormal">&nbsp;<p></p></p>
<p class="MsoNormal">I would like to annotate the actual Time using a series of .vtk files,<p></p></p>
<p class="MsoNormal">However it appears that with .vtk files ParaView is creating the time from the time step number, not from the T####.vtk part of the filename.<p></p></p>
<p class="MsoNormal">I also included&nbsp; a &ldquo;TIME&rdquo; array with one entry as shown in the snapshot below, because Visit uses this data to track the time, but this is not recognized by Paraview.<p></p></p>
<p class="MsoNormal">&nbsp;<p></p></p>
<p class="MsoNormal">What can I do to annotate the time based on the filename string suffix T####.vtk, in this case time would be for me in milliseconds,<p></p></p>
<p class="MsoNormal">or to use the data TIME in each time step as shown below&nbsp; (time in seconds)<p></p></p>
<p class="MsoNormal">&nbsp;<p></p></p>
<p class="MsoNormal">Thanks in advance.<p></p></p>
<p class="MsoNormal">Carlos<p></p></p>
<p class="MsoNormal">&nbsp;<p></p></p>
<p class="MsoNormal">ParaView Snapshot with all the available data:<p></p></p>
<p class="MsoNormal"><p></p></p>
<p class="MsoNormal">&nbsp;<p></p></p>
</div>
</div>
<p class="MsoNormal"><br>
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<p class="MsoNormal"><p>&nbsp;</p></p>
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Carlos Baumann | 23 May 20:40 2016
Picon

How to Annotate time steps when using VTK files ?

Hello ParaView !

 

I would like to annotate the actual Time using a series of .vtk files,

However it appears that with .vtk files ParaView is creating the time from the time step number, not from the T####.vtk part of the filename.

I also included  a “TIME” array with one entry as shown in the snapshot below, because Visit uses this data to track the time, but this is not recognized by Paraview.

 

What can I do to annotate the time based on the filename string suffix T####.vtk, in this case time would be for me in milliseconds,

or to use the data TIME in each time step as shown below  (time in seconds)

 

Thanks in advance.

Carlos

 

ParaView Snapshot with all the available data:

 

<div>
<div class="WordSection1">
<p class="MsoNormal">Hello ParaView !<p></p></p>
<p class="MsoNormal"><p>&nbsp;</p></p>
<p class="MsoNormal">I would like to annotate the actual Time using a series of .vtk files,<p></p></p>
<p class="MsoNormal">However it appears that with .vtk files ParaView is creating the time from the time step number, not from the T####.vtk part of the filename.<p></p></p>
<p class="MsoNormal">I also included&nbsp; a &ldquo;TIME&rdquo; array with one entry as shown in the snapshot below, because Visit uses this data to track the time, but this is not recognized by Paraview.<p></p></p>
<p class="MsoNormal"><p>&nbsp;</p></p>
<p class="MsoNormal">What can I do to annotate the time based on the filename string suffix T####.vtk, in this case time would be for me in milliseconds,<p></p></p>
<p class="MsoNormal">or to use the data TIME in each time step as shown below&nbsp; (time in seconds)<p></p></p>
<p class="MsoNormal"><p>&nbsp;</p></p>
<p class="MsoNormal">Thanks in advance.<p></p></p>
<p class="MsoNormal">Carlos<p></p></p>
<p class="MsoNormal"><p>&nbsp;</p></p>
<p class="MsoNormal">ParaView Snapshot with all the available data:<p></p></p>
<p class="MsoNormal"><p></p></p>
<p class="MsoNormal"><p>&nbsp;</p></p>
</div>
</div>
Utkarsh Ayachit | 23 May 17:42 2016

Re: X3DExporter false mesh colouring?

Ah okay. Looks like there's another bug with cell-data coloring and
x3d. I've spotted the bug (I think) and am working on a fix. Not sure
how this could have worked in VTK example, however. I'll send you a
patch shortly.

On Mon, May 23, 2016 at 11:15 AM, Grothausmann, Roman Dr.
<grothausmann.roman <at> mh-hannover.de> wrote:
> Many thanks Utkarsh for Your quick reply.
> Attached is an example VTP (generated by
> https://github.com/romangrothausmann/FacetAnalyser/blob/master/demos/8faced-rhombic-dodecahedron_twinned_simp%2Bdef.pvsm)
> coloured with KAAMS cat. on FacetIds (cell data) and then exported as X3D
> from PV5. The PNG is a comparison view of PV and view3dscene.
> The WebGL output (from make test) is great:
> http://htmlpreview.github.io/?https://github.com/romangrothausmann/FacetAnalyser/blob/master/demos/8faced-rhombic-dodecahedron_twinned_simp%2Bdef.html
>
>
> On 23/05/16 16:10, Utkarsh Ayachit wrote:
>>
>> And same with categorical colors. I did notice, however, it fails when
>> coloring with "Field Data" arrays. Is that what you're seeing? That
>> I'd expected would fail in VTK too. That's indeed a missing feature in
>> the exporter.
>>
>> On Mon, May 23, 2016 at 10:06 AM, Utkarsh Ayachit
>> <utkarsh.ayachit <at> kitware.com> wrote:
>>>
>>> Roman,
>>>
>>> Can you post an example? When I tried the same with a simple sphere
>>> color by "Normals X", it seems to work as expected. I used
>>> "view3dscene" to view the X3d file.
>>>
>>> On Mon, May 23, 2016 at 7:26 AM, Grothausmann, Roman Dr.
>>> <grothausmann.roman <at> mh-hannover.de> wrote:
>>>>
>>>> Dear mailing list members,
>>>>
>>>>
>>>> When I export scenes to X3D then load the mesh into blender or a browser
>>>> the
>>>> mesh is colour wrong. The colours are there but apparently assigned to
>>>> random cells/vertices. This happens with either PV5 or PV4, especially
>>>> for
>>>> category colouring. When using e.g. WebGL exporter all is fine.
>>>> Is there anything to do special for exporting to X3D? When I use plain
>>>> VTK,
>>>> the exported colours seemed OK so far.
>>>>
>>>> Any help or hints are very much appreciated
>>>> Roman
>>>>
>>>>
>>>> On 04/12/14 15:34, Michael Nolde wrote:
>>>>>
>>>>>
>>>>> works perfectly, thank you!
>>>>>
>>>>> On 03.12.2014 19:49, Sebastien Jourdain wrote:
>>>>> View is not valid at the point you get it.
>>>>>
>>>>> from paraview.simple import *
>>>>> exporters=servermanager.createModule("exporters")
>>>>> source=Cone()
>>>>> Show()
>>>>> render=Render()
>>>>> x3dExporter=exporters.X3DExporter(FileName="foo.x3d")
>>>>> x3dExporter.SetView(render)
>>>>> x3dExporter.Write()
>>>>>
>>>>> On Wed, Dec 3, 2014 at 10:01 AM, Michael Nolde <__mnolde <at> gmx.net__>
>>>>> wrote:
>>>>> Dear mailing list members,
>>>>>
>>>>> I have some trouble exporting a scene to a X3D file via pvpython.
>>>>> I tried to execute to code found in
>>>>> __http://public.kitware.com/pipermail/paraview/2012-May/024924.html__
>>>>> (see below). It is executed without any errors, but no output file is
>>>>> created.
>>>>> My Paraview version is 4.0.1 64-bit (on a Ubuntu 14.04 machine).
>>>>> What I want to achieve is to convert .ply files to .x3d via pvpython.
>>>>> Could someone give me a hint?
>>>>>
>>>>> Thanks in advance,
>>>>> Michael
>>>>>
>>>>> from paraview.simple import *
>>>>> exporters=servermanager.createModule("exporters")
>>>>> source=Cone()
>>>>> view = GetActiveView()
>>>>> Show(view)
>>>>> render=Render()
>>>>> x3dExporter=exporters.X3DExporter(FileName="foo.x3d")
>>>>> x3dExporter.SetView(view)
>>>>> x3dExporter.Write()
>>>>>
>>>>>
>>>>> _______________________________________________
>>>>> Powered by __www.kitware.com__
>>>>>
>>>>> Visit other Kitware open-source projects at
>>>>> __http://www.kitware.com/opensource/opensource.html__
>>>>>
>>>>> Please keep messages on-topic and check the ParaView Wiki at:
>>>>> __http://paraview.org/Wiki/ParaView__
>>>>>
>>>>> Follow this link to subscribe/unsubscribe:
>>>>> __http://public.kitware.com/mailman/listinfo/paraview__
>>>>>
>>>>>
>>>>>
>>>>>
>>>>>
>>>>
>>>> --
>>>> Dr. Roman Grothausmann
>>>>
>>>> Tomographie und Digitale Bildverarbeitung
>>>> Tomography and Digital Image Analysis
>>>>
>>>> Institut für Funktionelle und Angewandte Anatomie, OE 4120
>>>> Medizinische Hochschule Hannover
>>>> Carl-Neuberg-Str. 1
>>>> D-30625 Hannover
>>>>
>>>> Tel. +49 511 532-2900
>>>> _______________________________________________
>>>> Powered by www.kitware.com
>>>>
>>>> Visit other Kitware open-source projects at
>>>> http://www.kitware.com/opensource/opensource.html
>>>>
>>>> Please keep messages on-topic and check the ParaView Wiki at:
>>>> http://paraview.org/Wiki/ParaView
>>>>
>>>> Search the list archives at: http://markmail.org/search/?q=ParaView
>>>>
>>>> Follow this link to subscribe/unsubscribe:
>>>> http://public.kitware.com/mailman/listinfo/paraview
>
>
> --
> Dr. Roman Grothausmann
>
> Tomographie und Digitale Bildverarbeitung
> Tomography and Digital Image Analysis
>
> Institut für Funktionelle und Angewandte Anatomie, OE 4120
> Medizinische Hochschule Hannover
> Carl-Neuberg-Str. 1
> D-30625 Hannover
>
> Tel. +49 511 532-2900
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Andrzej Peczak | 23 May 12:16 2016
Picon

Custom panel widget

Hello,

Is it possible to create a custom widget for a filter which would allow me to retrieve the results of its
computation? I would like to reproduce the functionality of the pqDoubleVectorPropertyWidget and
populate it with values computed by the filter. I know how to create and register the widget but I do not know
how do I send values to it from the filter. In paraview code base  I found vtkEventQtSlotConnect but I do not
know if it is of any use to my problem.

Andrzej

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Feng Jiang | 22 May 10:31 2016
Picon

Problems about calculate the difference between two datasets

ParaView newbie here ,and sorry to interrupt you for some problems i met.

I have been using two vtk input files which named t1 and t2 for example, both input files contained only one dataset for CellData may called flux1 and flux2.

Exactly the structure and the data t1 and t2 got were same and only make a reflect from the surface of the center of x axis.

And I want to make the CellData flux1 to subtrack the flux2.
However I have tried Using the Group Datasets and the Calculator, or Using the Python Calculator or Programmable filter, and all the result I got is empty.

The results I tried seems the ParaView only subtracked the data basic on the Cell ID.

So is there any way to solve it or some wrong operate I made I wondered, or I must make the datasets reflect before I input ParaView ?

Thanks for any guidance,

Feng


<div><div dir="ltr">ParaView newbie here ,and sorry to interrupt you for some problems i met.<div>
<div><br></div>
<div>I have been using two vtk input files which named t1 and t2 for example, both input files contained only one dataset for CellData may called flux1 and flux2.</div>
<div><br></div>
<div>Exactly the structure and the data t1 and t2 got were same and only make a reflect from the surface of the center of x axis.</div>
</div>
<div><br></div>
<div>And I want to make the CellData flux1 to subtrack the flux2.</div>
<div>However I have tried Using the Group Datasets and the Calculator, or Using the Python Calculator or Programmable filter, and all the result I got is empty.</div>
<div><br></div>
<div>The results I tried seems the ParaView only subtracked the data basic on the Cell ID.</div>
<div><br></div>
<div>So is there any way to solve it or some wrong operate I made I wondered, or I must make the datasets reflect before I input ParaView ?</div>
<div><br></div>
<div>Thanks for any guidance,</div>
<div><br></div>
<div>Feng</div>
<div><br></div>
<div><br></div>
</div></div>
Michele Battistoni | 20 May 19:55 2016
Picon

Slow with just 1M cells

Paraview is awesome for lots of functionalities, however I find it extremely slow in processing data with
any filter type, or in changing timestep as soon as the model size is around one million cells or above. I
have experience with a commercial tool which on the same model and pc is 100x faster. Let's say a second vs. a min!

Is there any specific settings for ram of parallelization among cores?

Thanks 
Michele

Gallagher, Timothy P | 20 May 18:57 2016
Picon

Memory leak with Catalyst

Hi,


One of our users is running a very big simulation and writing out images of two slices (two different views) every 1000 iterations and writing out the data for the two slices (two different data writers) as VTK files every 5000 iterations. It is using Paraview 4.4.


After 21000 iterations, the simulation is killed because the memory on the compute nodes fills up. I usually know how to track down memory problems in our code using valgrind and related tools, but is that the right way to go to try and find this problem?


Are there any tips on how to isolate where the problem may be? I don't know if it is in the adapter, or in paraview itself. Has anybody encountered problems with runaway memory using Catalyst in 4.4 when writing images or VTK files?


I know when we use pvpython to generate images and loop over many files, sometimes the memory also blows up and so we usually move the loop over the files outside the pvpython script and into a driver script that executes a new pvpython for each file. Is there a way to shut down/start up Catalyst each time it needs to write something? Is that advisable?


Thanks,


Tim

<div>
<div>
<p>Hi,</p>
<p><br></p>
<p>One of our users is running a very big simulation and writing out images of two slices (two different views) every 1000 iterations and writing out the data for the two slices (two different data writers) as VTK files every 5000 iterations. It is using Paraview
 4.4. <br></p>
<p><br></p>
<p>After 21000 iterations, the simulation is killed because the memory on the compute nodes fills up. I usually know how to track down memory problems in our code using valgrind and related tools, but is that the right way to go to try and find this problem?</p>
<p><br></p>
<p>Are there any tips on how to isolate where the problem may be? I don't know if it is in the adapter, or in paraview itself. Has anybody encountered problems with runaway memory using Catalyst in 4.4 when writing images or VTK files?
<br></p>
<p><br></p>
<p>I know when we use pvpython to generate images and loop over many files, sometimes the memory also blows up and so we usually move the loop over the files outside the pvpython script and into a driver script that executes a new pvpython for each file. Is
 there a way to shut down/start up Catalyst each time it needs to write something? Is that advisable?
<br></p>
<p><br></p>
<p>Thanks,</p>
<p><br></p>
<p>Tim<br></p>
</div>
</div>
Paluszek, Lukasz | 20 May 16:27 2016

Re: Question about the ImageResampling Filter

Hi Utkarsh,

 

I am always building Paraview from source on Linux with all the features I need, but there is no rush, I can wait for the next release or if I badly need this functionality I will pull it from the “master”.

 

A little background:

I was actually playing around when I came across the issue, what I want to achieve is to do fast volume rendering on unstructured meshes. The volume rendering algorithms in Paraview are ultrafast with VTK image files but painfully slow with unstructured grids. I constantly have an idea in mind to map unstructured meshes to image files and then do the volume rendering. Simple as it sounds I could not find an automatic way to achieve this, in the end I had to manually generate image files in a text editor. I also tried with the Gaussian Resampling, but this filter fails in parallel, each process generates its own image file but there is no communication between them, it is not possible to resample data onto these images nor is it possible to save them (Paraview saves data from just one process). I am still hoping to find some smart way of generating image files, ideally automatically refined based on some flow variables of interest and then map the unstructured grid data on the generated VTK images for fast volume rendering.

 

Regards,

Lukasz

 

 

Łukasz Paluszek

Airbus Helicopters

Aerodynamics Department (ETGA)

86607 Donauwörth

Germany

Tel.: +49 (90) 671 8231

Fax.: +49 (90) 671 9122

Lukasz.Paluszek <at> airbus.com

 

From: Utkarsh Ayachit [mailto:utkarsh.ayachit <at> kitware.com]
Sent: 20 May 2016 15:38
To: Paluszek, Lukasz
Cc: paraview <at> paraview.org
Subject: Re: [Paraview] Question about the ImageResampling Filter

 

Lukasz,

 

I'd suggest not to use 'ImageResampling' filter, it was a temporary fix and clearly is buggy. A new filter has been added to ParaView "master", name "Resample To Image". That would do what you want to do more reliably. What platform are you running on? I can send you links to the nightly binaries for the same.

 

Utkarsh

 

On Fri, May 20, 2016 at 3:17 AM, Paluszek, Lukasz <lukasz.paluszek <at> airbus.com> wrote:

Hello All,

 

Is the Image Resampling filter applicable to all datasets or only VTK Images? Each time I try to use this filter on any other dataset than a uniform image file, Paraview crashes. In Paraview Help it is written: “Accepts input of following types: vtkDataSet vtkCompositeDataSet”. I am using Paraview 5.0.0.

 

Regards,

Lukasz

 

 

 

 

 

Łukasz Paluszek

Airbus Helicopters

Aerodynamics Department (ETGA)

86607 Donauwörth

Germany

Tel.: +49 (90) 671 8231

Fax.: +49 (90) 671 9122

Lukasz.Paluszek <at> airbus.com

 

AIRBUS HELICOPTERS DEUTSCHLAND GmbH

Sitz der Gesellschaft / Registered Office: Donauwörth

Registergericht / Registration Court: Amtsgericht Augsburg HRB 16508

Vorsitzender des Aufsichtsrates / Chairman of the Supervisory Board: Guillaume Faury

Geschäftsführung / Board of Management: Dr. Wolfgang Schoder, Vorsitzender / CEO; Thomas Hundt; Johannes Kleidorfer; Dr. Klaus Przemeck; Martin Schübel; Stefan Thomé

 

The information in this e-mail is confidential. The contents may not be disclosed or used by anyone other than the addressee. Access to this e-mail by anyone else is unauthorised.

If you are not the intended recipient, please notify Airbus immediately and delete this e-mail.

Airbus cannot accept any responsibility for the accuracy or completeness of this e-mail as it has been sent over public networks. If you have any concerns over the content of this message or its Accuracy or Integrity, please contact Airbus immediately.

All outgoing e-mails from Airbus are checked using regularly updated virus scanning software but you should take whatever measures you deem to be appropriate to ensure that this message and any attachments are virus free.

 

 

 


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Vorsitzender des Aufsichtsrates / Chairman of the Supervisory Board: Guillaume Faury

Geschäftsführung / Board of Management: Dr. Wolfgang Schoder, Vorsitzender / CEO; Thomas Hundt; Johannes Kleidorfer; Dr. Klaus Przemeck; Martin Schübel; Stefan Thomé

The information in this e-mail is confidential. The contents may not be disclosed or used by anyone other than the addressee. Access to this e-mail by anyone else is unauthorised. If you are not the intended recipient, please notify Airbus immediately and delete this e-mail. Airbus cannot accept any responsibility for the accuracy or completeness of this e-mail as it has been sent over public networks. If you have any concerns over the content of this message or its Accuracy or Integrity, please contact Airbus immediately. All outgoing e-mails from Airbus are checked using regularly updated virus scanning software but you should take whatever measures you deem to be appropriate to ensure that this message and any attachments are virus free.
<div>
<div class="WordSection1">
<p class="MsoNormal"><span>Hi Utkarsh,<p></p></span></p>
<p class="MsoNormal"><span><p>&nbsp;</p></span></p>
<p class="MsoNormal"><span>I am always building Paraview from source on Linux with all the features I need, but there is no rush, I can wait for the next release or if I badly need this
 functionality I will pull it from the &ldquo;master&rdquo;. <p></p></span></p>
<p class="MsoNormal"><span><p>&nbsp;</p></span></p>
<p class="MsoNormal"><span>A little background:<p></p></span></p>
<p class="MsoNormal"><span>I was actually playing around when I came across the issue, what I want to achieve is to do fast volume rendering on unstructured meshes. The volume rendering
 algorithms in Paraview are ultrafast with VTK image files but painfully slow with unstructured grids. I constantly have an idea in mind to map unstructured meshes to image files and then do the volume rendering. Simple as it sounds I could not find an automatic
 way to achieve this, in the end I had to manually generate image files in a text editor. I also tried with the Gaussian Resampling, but this filter fails in parallel, each process generates its own image file but there is no communication between them, it
 is not possible to resample data onto these images nor is it possible to save them (Paraview saves data from just one process). I am still hoping to find some smart way of generating image files, ideally automatically refined based on some flow variables of
 interest and then map the unstructured grid data on the generated VTK images for fast volume rendering.<p></p></span></p>
<p class="MsoNormal"><span><p>&nbsp;</p></span></p>
<p class="MsoNormal"><span>Regards,<p></p></span></p>
<p class="MsoNormal"><span>Lukasz<p></p></span></p>
<p class="MsoNormal"><span><p>&nbsp;</p></span></p>
<p class="MsoNormal"><span><p>&nbsp;</p></span></p>
<p class="MsoNormal"><span></span><span lang="FR"><p></p></span></p>
<p class="MsoNormal">
<span lang="FR">&#321;ukasz Paluszek</span><span lang="FR"><p></p></span></p>
<p class="MsoNormal">
<span lang="FR">Airbus Helicopters</span><span lang="FR"><p></p></span></p>
<p class="MsoNormal">
<span lang="FR">Aerodynamics Department (ETGA)</span><span lang="FR"><p></p></span></p>
<p class="MsoNormal">
<span lang="FR">86607 Donauw&ouml;rth</span><span lang="FR"><p></p></span></p>
<p class="MsoNormal">
<span lang="FR">Germany</span><span lang="FR"><p></p></span></p>
<p class="MsoNormal">
<span>Tel.: +49 (90) 671 8231<p></p></span></p>
<p class="MsoNormal">
<span>Fax.: +49 (90)
</span><span>671 9122</span><span><p></p></span></p>
<p class="MsoNormal"><span><a href="mailto:Lukasz.Paluszek <at> airbus.com">Lukasz.Paluszek <at> airbus.com</a><p></p></span></p>
<p class="MsoNormal"><span><p>&nbsp;</p></span></p>
<p class="MsoNormal"><span>From:</span><span> Utkarsh Ayachit [mailto:utkarsh.ayachit <at> kitware.com]
<br>Sent: 20 May 2016 15:38<br>To: Paluszek, Lukasz<br>Cc: paraview <at> paraview.org<br>Subject: Re: [Paraview] Question about the ImageResampling Filter<p></p></span></p>
<p class="MsoNormal"><p>&nbsp;</p></p>
<div>
<p class="MsoNormal"><span>Lukasz,</span><p></p></p>
<div>
<p class="MsoNormal"><p>&nbsp;</p></p>
</div>
<div>
<p class="MsoNormal"><span>I'd suggest not to use 'ImageResampling' filter, it was a temporary fix and clearly is buggy. A new filter has been added to ParaView "master", name "Resample To Image". That would do what you want to do more
 reliably. What platform are you running on? I can send you links to the nightly binaries for the same.</span><p></p></p>
</div>
<div>
<p class="MsoNormal"><p>&nbsp;</p></p>
</div>
<div>
<p class="MsoNormal"><span>Utkarsh</span><p></p></p>
</div>
</div>
<div>
<p class="MsoNormal"><p>&nbsp;</p></p>
<div>
<p class="MsoNormal">On Fri, May 20, 2016 at 3:17 AM, Paluszek, Lukasz &lt;<a href="mailto:lukasz.paluszek <at> airbus.com" target="_blank">lukasz.paluszek <at> airbus.com</a>&gt; wrote:<p></p></p>
<div>
<div>
<p class="MsoNormal">Hello All,<p></p></p>
<p class="MsoNormal">&nbsp;<p></p></p>
<p class="MsoNormal">Is the Image Resampling filter applicable to all datasets or only VTK Images? Each time I try to use this filter on any other dataset than a uniform image file, Paraview crashes.
 In Paraview Help it is written: &ldquo;Accepts input of following types: vtkDataSet vtkCompositeDataSet&rdquo;. I am using Paraview 5.0.0.<p></p></p>
<p class="MsoNormal">&nbsp;<p></p></p>
<p class="MsoNormal">Regards,<p></p></p>
<p class="MsoNormal">Lukasz
<p></p></p>
<p class="MsoNormal">&nbsp;<p></p></p>
<p class="MsoNormal">&nbsp;<p></p></p>
<p class="MsoNormal">&nbsp;<p></p></p>
<p class="MsoNormal">&nbsp;<p></p></p>
<p class="MsoNormal">&nbsp;<p></p></p>
<p class="MsoNormal"><span></span><p></p></p>
<p class="MsoNormal">&#321;ukasz Paluszek<p></p></p>
<p class="MsoNormal"><span>Airbus Helicopters</span><p></p></p>
<p class="MsoNormal"><span>Aerodynamics Department (ETGA)</span><p></p></p>
<p class="MsoNormal"><span>86607 Donauw&ouml;rth</span><p></p></p>
<p class="MsoNormal"><span>Germany</span><p></p></p>
<p class="MsoNormal"><span>Tel.:
<a href="tel:%2B49%20%2890%29%20671%208231" target="_blank">+49 (90) 671 8231</a></span><p></p></p>
<p class="MsoNormal"><span>Fax.: +49 (90)
</span>671 9122<p></p></p>
<p class="MsoNormal"><span><a href="mailto:Lukasz.Paluszek <at> airbus.com" target="_blank">Lukasz.Paluszek <at> airbus.com</a></span><p></p></p>
<p class="MsoNormal">&nbsp;<p></p></p>
</div>
<p>AIRBUS HELICOPTERS DEUTSCHLAND GmbH<p></p></p>
<p>Sitz der Gesellschaft / Registered Office: Donauw&ouml;rth<p></p></p>
<p>Registergericht / Registration Court: Amtsgericht Augsburg HRB 16508<p></p></p>
<p>Vorsitzender des Aufsichtsrates / Chairman of the Supervisory Board: Guillaume Faury<p></p></p>
<p>Gesch&auml;ftsf&uuml;hrung / Board of Management: Dr. Wolfgang Schoder, Vorsitzender / CEO; Thomas Hundt; Johannes Kleidorfer; Dr. Klaus Przemeck; Martin Sch&uuml;bel; Stefan Thom&eacute;<p></p></p>
<div>
<span><p>&nbsp;</p></span>
<span>The information in this e-mail is confidential. The contents may not be disclosed or used by anyone other than the addressee. Access to this e-mail by anyone else is unauthorised.<p></p></span>
<span>If you are not the intended recipient, please notify Airbus immediately and delete this e-mail.<p></p></span>
<span>Airbus cannot accept any responsibility for the accuracy or completeness of this e-mail as it has been sent over public networks. If you have any concerns over the content of this message or its Accuracy or Integrity, please contact Airbus immediately.<p></p></span>
<span>All outgoing e-mails from Airbus are checked using regularly updated virus scanning software but you should take whatever measures you deem to be appropriate to ensure that this message and any attachments are virus free.<p></p></span>
<p>&nbsp;</p>
</div>
<p>&nbsp;</p>
<p>&nbsp;</p>
</div>
<p class="MsoNormal"><br>
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<p>AIRBUS HELICOPTERS DEUTSCHLAND GmbH</p>
<p>Sitz der Gesellschaft / Registered Office: Donauw&ouml;rth</p>
<p>Registergericht / Registration Court: Amtsgericht Augsburg HRB 16508</p>
<p>Vorsitzender des Aufsichtsrates / Chairman of the Supervisory Board: Guillaume Faury</p>
<p>Gesch&auml;ftsf&uuml;hrung / Board of Management: Dr. Wolfgang Schoder, Vorsitzender / CEO; Thomas Hundt; Johannes Kleidorfer; Dr. Klaus Przemeck; Martin Sch&uuml;bel; Stefan Thom&eacute;</p>

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