# ParaView Support

**URL:** https://discourse.paraview.org/c/paraview-support/7.md?page=160

[Latest](https://discourse.paraview.org/latest.md) · [Categories](https://discourse.paraview.org/categories.md) · [Tags](https://discourse.paraview.org/tags.md)

**Page:** 161

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## [\[Issue with Python package documentation\] Paths provided here seems misleading](https://discourse.paraview.org/t/issue-with-python-package-documentation-paths-provided-here-seems-misleading/5892)

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**Author:** [@denny2001](https://discourse.paraview.org/u/denny2001)\
**Replies:** 0\
**Last updated:** [November 26, 2020, 6:05am UTC](https://discourse.paraview.org/t/issue-with-python-package-documentation-paths-provided-here-seems-misleading/5892 "2020-11-26T06:05:51Z")

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In this Paraview Python Tutorial Page, multiple paths are offered to be put into PATH/PYTHONPATH. However, these paths didn’t work when simply pasted to system PATH. I guess the paths are provided only as a sample, ther…

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## [Straight-forward headless, X-less rendering with EGL + nvidia GPU + ParaView v5.8.1](https://discourse.paraview.org/t/straight-forward-headless-x-less-rendering-with-egl-nvidia-gpu-paraview-v5-8-1/5879)

<div class="topic-metadata">

**Author:** [@kschau](https://discourse.paraview.org/u/kschau)\
**Replies:** 5\
**Last updated:** [November 26, 2020, 3:01am UTC](https://discourse.paraview.org/t/straight-forward-headless-x-less-rendering-with-egl-nvidia-gpu-paraview-v5-8-1/5879 "2020-11-26T03:01:46Z")

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We have a new workstation that we want to post process large datasets with (combo of pvtm and xdfm/hdf5). This workstation has an RTX2080 and is running Ubuntu 20.04. The only caveat being we want it done in headless mo…

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## [Writing tensors in VTK](https://discourse.paraview.org/t/writing-tensors-in-vtk/5889)

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**Author:** [@Victor\_Saouma](https://discourse.paraview.org/u/Victor_Saouma)\
**Replies:** 1\
**Last updated:** [November 25, 2020, 10:41pm UTC](https://discourse.paraview.org/t/writing-tensors-in-vtk/5889 "2020-11-25T22:41:00Z")

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I am getting the following error Generic Warning: In C:\\bbd\\8fbebceb\\build\\superbuild\\paraview\\src\\VTK\\IO\\Legacy\\vtkDataReader.cxx, line 1506\* Error reading ascii data. Possible mismatch of datasize with declaration.\* …

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## [Help with building Paraview for remote access](https://discourse.paraview.org/t/help-with-building-paraview-for-remote-access/5881)

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**Author:** [@MattH2580](https://discourse.paraview.org/u/MattH2580)\
**Replies:** 3\
**Last updated:** [November 25, 2020, 2:45pm UTC](https://discourse.paraview.org/t/help-with-building-paraview-for-remote-access/5881 "2020-11-25T14:45:49Z")

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Ok I understand that I might come across as dumb and partially clueless in this question, but I’m completely lost with all the material as I’m not very experienced with this stuff. Long story short, I’m trying to set up…

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## [StreamTracer loose tracers without Reasonfortermination](https://discourse.paraview.org/t/streamtracer-loose-tracers-without-reasonfortermination/4247)

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**Author:** [@Jo\_Hey](https://discourse.paraview.org/u/Jo_Hey)\
**Replies:** 3\
**Last updated:** [November 25, 2020, 7:44am UTC](https://discourse.paraview.org/t/streamtracer-loose-tracers-without-reasonfortermination/4247 "2020-11-25T07:44:37Z")

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Hi, I am using the streamtracer vtk filter since a while and I recurrently face the issue that several tracers are lost without any particular reasons (no termination value is given). One can see it quite well in the im…

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## [Chain of vectors (itinerary-like)?](https://discourse.paraview.org/t/chain-of-vectors-itinerary-like/5821)

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**Author:** [@Charliebrowne](https://discourse.paraview.org/u/Charliebrowne)\
**Replies:** 13\
**Last updated:** [November 24, 2020, 4:49pm UTC](https://discourse.paraview.org/t/chain-of-vectors-itinerary-like/5821 "2020-11-24T16:49:54Z")

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hi there I m pretty new to Paraview sorry, my need is basic but I couldnt find any answer so far accross discussions/examples etc. My input data is a serie of points defined by their (x,y,z) coordinates respectively (c…

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## [Exporting tensor data](https://discourse.paraview.org/t/exporting-tensor-data/5239)

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**Author:** [@aerospaceman](https://discourse.paraview.org/u/aerospaceman)\
**Replies:** 4\
**Last updated:** [November 24, 2020, 12:47pm UTC](https://discourse.paraview.org/t/exporting-tensor-data/5239 "2020-11-24T12:47:07Z")

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I need some help with exporting field data to a text file. Context: I’m doing some OpenFOAM and postprocessing in ParaView (of course ;-)). I need to send some of my data in order to collaborate with a colleague who ha…

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## [Preparing volumetric data for parallel rendering](https://discourse.paraview.org/t/preparing-volumetric-data-for-parallel-rendering/5875)

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**Author:** [@Nicholas\_Yue](https://discourse.paraview.org/u/Nicholas_Yue)\
**Replies:** 0\
**Last updated:** [November 24, 2020, 6:06am UTC](https://discourse.paraview.org/t/preparing-volumetric-data-for-parallel-rendering/5875 "2020-11-24T06:06:34Z")

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Hi When preparing (volume) data for use in parallel rendering via pvti files do we need to know ahead the number of GPU workstations we will have or does the meta data in pvti allows Paraview/pvserver to (re)partition …

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## [Can anyone show me how to use one state file multiple times?](https://discourse.paraview.org/t/can-anyone-show-me-how-to-use-one-state-file-multiple-times/5861)

<div class="topic-metadata">

**Author:** [@AhmedSalih3d](https://discourse.paraview.org/u/AhmedSalih3d)\
**Replies:** 5\
**Last updated:** [November 23, 2020, 7:21pm UTC](https://discourse.paraview.org/t/can-anyone-show-me-how-to-use-one-state-file-multiple-times/5861 "2020-11-23T19:21:57Z")

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According to this post from 2011 it should be possible: https://www.paraview.org/pipermail/paraview/2011-August/022387.html But I cannot find any recent example of how to do so? I want to do it programmatically, but i…

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## [Looking for PARAVIEW GUIDE (version 2004 - Henderson)](https://discourse.paraview.org/t/looking-for-paraview-guide-version-2004-henderson/5830)

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**Author:** [@MiguelAngelAGUIRRE](https://discourse.paraview.org/u/MiguelAngelAGUIRRE)\
**Replies:** 5\
**Last updated:** [November 23, 2020, 1:53pm UTC](https://discourse.paraview.org/t/looking-for-paraview-guide-version-2004-henderson/5830 "2020-11-23T13:53:54Z")

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Hello, I’m looking for this version of the Paraview Guide but it seems to be no longer available: I’m particularly interested in the PART 2 (Developer’s Guide), especially in chapters 18 to 22 (Anything related to XM…

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## [Divide a scalar field for cell volume field](https://discourse.paraview.org/t/divide-a-scalar-field-for-cell-volume-field/5871)

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**Author:** [@Andrea](https://discourse.paraview.org/u/Andrea)\
**Replies:** 0\
**Last updated:** [November 23, 2020, 9:14am UTC](https://discourse.paraview.org/t/divide-a-scalar-field-for-cell-volume-field/5871 "2020-11-23T09:14:11Z")

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Hi, I have done a simulation with openfoam, where I have calculated a scalar field, and in paraview I want to visualize the scalar field / cell volumes. But I have not found the filter to do it; I have even tried with c…

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## [Sometimes state files do not read the specific paths they have been given?](https://discourse.paraview.org/t/sometimes-state-files-do-not-read-the-specific-paths-they-have-been-given/5862)

<div class="topic-metadata">

**Author:** [@AhmedSalih3d](https://discourse.paraview.org/u/AhmedSalih3d)\
**Replies:** 1\
**Last updated:** [November 21, 2020, 10:19pm UTC](https://discourse.paraview.org/t/sometimes-state-files-do-not-read-the-specific-paths-they-have-been-given/5862 "2020-11-21T22:19:44Z")

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How come that in some cases when I specify a statefile with a list of files I know exist and have verified, it still defaults to only reading the files which are stated in it initially? It works so fine when I do it thr…

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## [How to control length and size of a time step progress bar?](https://discourse.paraview.org/t/how-to-control-length-and-size-of-a-time-step-progress-bar/5860)

<div class="topic-metadata">

**Author:** [@AhmedSalih3d](https://discourse.paraview.org/u/AhmedSalih3d)\
**Replies:** 0\
**Last updated:** [November 21, 2020, 1:05pm UTC](https://discourse.paraview.org/t/how-to-control-length-and-size-of-a-time-step-progress-bar/5860 "2020-11-21T13:05:28Z")

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Is this even possible, perhaps programmatically? I want it to be shorter Kind regards

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## [Push grid to back?](https://discourse.paraview.org/t/push-grid-to-back/5859)

<div class="topic-metadata">

**Author:** [@AhmedSalih3d](https://discourse.paraview.org/u/AhmedSalih3d)\
**Replies:** 1\
**Last updated:** [November 21, 2020, 11:14am UTC](https://discourse.paraview.org/t/push-grid-to-back/5859 "2020-11-21T11:14:41Z")

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Hello! How do I make it so that my black plot is infront of the grid? I am using “Data Axes Grid”. Kind regards

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## [Ellipsoidal clip of 3D volumetric mesh](https://discourse.paraview.org/t/ellipsoidal-clip-of-3d-volumetric-mesh/5856)

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**Author:** [@niran90](https://discourse.paraview.org/u/niran90)\
**Replies:** 0\
**Last updated:** [November 21, 2020, 4:39am UTC](https://discourse.paraview.org/t/ellipsoidal-clip-of-3d-volumetric-mesh/5856 "2020-11-21T04:39:36Z")

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Hello ParaView community, I have a 3D volumetric mesh composed of hexadra, with all data represented at the mesh vertices. I am familiar with how to clip this volumetric mesh with a sphere of a given radius. But is ther…

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## [CPU Thread Capping issues in 5.9-RC1](https://discourse.paraview.org/t/cpu-thread-capping-issues-in-5-9-rc1/5852)

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**Author:** [@mconti](https://discourse.paraview.org/u/mconti)\
**Replies:** 2\
**Last updated:** [November 20, 2020, 7:11pm UTC](https://discourse.paraview.org/t/cpu-thread-capping-issues-in-5-9-rc1/5852 "2020-11-20T19:11:23Z")

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Hey all, looks like the environmental variables to cap PV CPU usage have changed in 5.9, does anyone know what the new ones are? These are the environmental variables that cap the CPU usage PV can grab, and without them…

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## [finding the coordinates of 1 particle in the system](https://discourse.paraview.org/t/finding-the-coordinates-of-1-particle-in-the-system/5851)

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**Author:** [@sgcgrif3](https://discourse.paraview.org/u/sgcgrif3)\
**Replies:** 1\
**Last updated:** [November 20, 2020, 3:04pm UTC](https://discourse.paraview.org/t/finding-the-coordinates-of-1-particle-in-the-system/5851 "2020-11-20T15:04:08Z")

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I have a model of particles falling from a hopper into a box. I have paused the model at a certain time step and I want to find the coordinates of one particular particle in the model, in order to use these coordinates …

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## [Parallel rendering - Opening large raw dataset crash](https://discourse.paraview.org/t/parallel-rendering-opening-large-raw-dataset-crash/5838)

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**Author:** [@kmilo9999](https://discourse.paraview.org/u/kmilo9999)\
**Replies:** 5\
**Last updated:** [November 19, 2020, 9:16pm UTC](https://discourse.paraview.org/t/parallel-rendering-opening-large-raw-dataset-crash/5838 "2020-11-19T21:16:38Z")

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Hello, I am working on a cluste environment using parallel rendering. So far, it works with some datasets (TIFF stacks), but it crashes when I load a .raw file. http://cdn.klacansky.com/open-scivis-datasets/pig\_heart/…

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## [mpiexec pvserver - MPI Cluster on AWS](https://discourse.paraview.org/t/mpiexec-pvserver-mpi-cluster-on-aws/5840)

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**Author:** [@Nicholas\_Yue](https://discourse.paraview.org/u/Nicholas_Yue)\
**Replies:** 3\
**Last updated:** [November 19, 2020, 6:12pm UTC](https://discourse.paraview.org/t/mpiexec-pvserver-mpi-cluster-on-aws/5840 "2020-11-19T18:12:00Z")

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Hi, I am doing some parallel pvserver experimentation. AWS EC2 instance has two network interface, public (front facing) private (internal facing) When running mpiexec within the cluster, the return IP and port listen…

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## [How to export ResampleToImage?](https://discourse.paraview.org/t/how-to-export-resampletoimage/5847)

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**Author:** [@Rosanna\_Cap](https://discourse.paraview.org/u/Rosanna_Cap)\
**Replies:** 3\
**Last updated:** [November 19, 2020, 3:23pm UTC](https://discourse.paraview.org/t/how-to-export-resampletoimage/5847 "2020-11-19T15:23:45Z")

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Hello, I’m trying to export the RESAMPLE TO IMAGE from paraview, but the file I export is empty. Can someone help me?

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## [Translate source object based on time](https://discourse.paraview.org/t/translate-source-object-based-on-time/5813)

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**Author:** [@fredrik](https://discourse.paraview.org/u/fredrik)\
**Replies:** 3\
**Last updated:** [November 19, 2020, 12:42pm UTC](https://discourse.paraview.org/t/translate-source-object-based-on-time/5813 "2020-11-19T12:42:32Z")

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I would like to translate a disk (added from the GUI Sources \> Disk) as a function of the time. I found https://discourse.paraview.org/t/move-source-disk-or-sphere-according-to-time-dependent-function/2251/2 which does t…

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## [SuperBuild: SciPy for Windows](https://discourse.paraview.org/t/superbuild-scipy-for-windows/2154)

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**Author:** [@HollowSun0](https://discourse.paraview.org/u/HollowSun0)\
**Replies:** 7\
**Last updated:** [November 19, 2020, 3:38am UTC](https://discourse.paraview.org/t/superbuild-scipy-for-windows/2154 "2020-11-19T03:38:18Z")

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Greetings, It seems that SciPy does not get appended in the list of projects when building on Windows. Are there any plans to include it?.. or am I wrong? I believe the logic is found here: https://gitlab.kitware.com/pa…

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## [x location of liquid fraction](https://discourse.paraview.org/t/x-location-of-liquid-fraction/5837)

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**Author:** [@Jeroenpc](https://discourse.paraview.org/u/Jeroenpc)\
**Replies:** 0\
**Last updated:** [November 18, 2020, 2:50pm UTC](https://discourse.paraview.org/t/x-location-of-liquid-fraction/5837 "2020-11-18T14:50:13Z")

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Hello everyone, I’m simulating phase change and want check if my model is accurate, thus I’m simulating a 1-D stefan problem. I’d like to know where the location of the phase change front is i.e. where the liquid fracti…

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## [Error: Capabilities Check via proxy texture 3D allocation failed](https://discourse.paraview.org/t/error-capabilities-check-via-proxy-texture-3d-allocation-failed/5819)

<div class="topic-metadata">

**Author:** [@min\_yang](https://discourse.paraview.org/u/min_yang)\
**Replies:** 7\
**Last updated:** [November 17, 2020, 9:27pm UTC](https://discourse.paraview.org/t/error-capabilities-check-via-proxy-texture-3d-allocation-failed/5819 "2020-11-17T21:27:23Z")

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Hi, I’ve used VICTRE phantom to create a vti file. When I try to represent Volume data it showed the error “Capabilities Check via proxy texture 3D allocation failed”. Could any one help me with this. I have a Dell Pre…

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## [A simple way to render images without displaying them?](https://discourse.paraview.org/t/a-simple-way-to-render-images-without-displaying-them/5828)

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**Author:** [@AhmedSalih3d](https://discourse.paraview.org/u/AhmedSalih3d)\
**Replies:** 3\
**Last updated:** [November 17, 2020, 7:16pm UTC](https://discourse.paraview.org/t/a-simple-way-to-render-images-without-displaying-them/5828 "2020-11-17T19:16:23Z")

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I am using pvpython to do some scripting. I am loading a state file and rendering images. Can I do this easily on a windows pc without it showing up? Kind regards

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## [Vorticity computed with streamlines](https://discourse.paraview.org/t/vorticity-computed-with-streamlines/5829)

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**Author:** [@jordi1](https://discourse.paraview.org/u/jordi1)\
**Replies:** 0\
**Last updated:** [November 17, 2020, 6:52pm UTC](https://discourse.paraview.org/t/vorticity-computed-with-streamlines/5829 "2020-11-17T18:52:21Z")

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Hello! I was computing some flow streamlines and I saw this option to compute vorticity (see pic attached). I was wondering if there is any theory guide that can explain how this vorticity is computed in order to see th…

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## [Make Paraview Multicore/GPU](https://discourse.paraview.org/t/make-paraview-multicore-gpu/5723)

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**Author:** [@Barinova](https://discourse.paraview.org/u/Barinova)\
**Replies:** 13\
**Last updated:** [November 17, 2020, 5:04pm UTC](https://discourse.paraview.org/t/make-paraview-multicore-gpu/5723 "2020-11-17T17:04:12Z")

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I am very new to Paraview. We recently started using a small CFD simulation tool and were told to use Paraview for viewing the results. Which works fine. But it always takes ages to render all the calculated time steps i…

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## [saving multiple vtp files to csv at once](https://discourse.paraview.org/t/saving-multiple-vtp-files-to-csv-at-once/5793)

<div class="topic-metadata">

**Author:** [@sgcgrif3](https://discourse.paraview.org/u/sgcgrif3)\
**Replies:** 13\
**Last updated:** [November 17, 2020, 12:29pm UTC](https://discourse.paraview.org/t/saving-multiple-vtp-files-to-csv-at-once/5793 "2020-11-17T12:29:20Z")

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Hello, I am very new to coding/paraview etc. I have run a DEM model in MFIX software, and to extract the data they suggest using paraview. I have a model with 16,000 sand grains moving in a box over a series of time st…

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## [sys.exit() command fails in paraview 5.7](https://discourse.paraview.org/t/sys-exit-command-fails-in-paraview-5-7/5826)

<div class="topic-metadata">

**Author:** [@aerogt3](https://discourse.paraview.org/u/aerogt3)\
**Replies:** 0\
**Last updated:** [November 17, 2020, 8:23am UTC](https://discourse.paraview.org/t/sys-exit-command-fails-in-paraview-5-7/5826 "2020-11-17T08:23:13Z")

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I have a python script which is often run in batch on a server, but also run locally to load and setup data for manual visualization (and to debug/write the scripts). I have many sys.exit() calls which catch common error…

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## [Vertical profile of salinity for 1D model run - axis orientation](https://discourse.paraview.org/t/vertical-profile-of-salinity-for-1d-model-run-axis-orientation/5817)

<div class="topic-metadata">

**Author:** [@\_Marco](https://discourse.paraview.org/u/_Marco)\
**Replies:** 0\
**Last updated:** [November 16, 2020, 6:38pm UTC](https://discourse.paraview.org/t/vertical-profile-of-salinity-for-1d-model-run-axis-orientation/5817 "2020-11-16T18:38:08Z")

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Dear ParaView forum, I am animating my model results (converted to netcdf). My model run is a simple 1D run, of two water masses, with different salinity, interacting and mixing over a slope. At, say, x0 = 0.5\*Lengtht\_…

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