# ParaView Support

**URL:** https://discourse.paraview.org/c/paraview-support/7.md?page=93

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

**Page:** 94

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## [Display Animated Property Value](https://discourse.paraview.org/t/display-animated-property-value/10686)

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**Author:** [@markowkes](https://discourse.paraview.org/u/markowkes)\
**Replies:** 3\
**Last updated:** [November 8, 2022, 5:08am UTC](https://discourse.paraview.org/t/display-animated-property-value/10686 "2022-11-08T05:08:36Z")

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I am using an animation to change the isosurface value of a contour. How can I add text that displays the current isosurface value (which would change with the animation)?

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## [Mass flow rate (URGENT)](https://discourse.paraview.org/t/mass-flow-rate-urgent/1763)

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**Author:** [@Nimb\_Lack](https://discourse.paraview.org/u/Nimb_Lack)\
**Replies:** 4\
**Last updated:** [November 8, 2022, 1:34am UTC](https://discourse.paraview.org/t/mass-flow-rate-urgent/1763 "2022-11-08T01:34:19Z")

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Hi, very new to paraview and LIGGGHTS. I need help urgently for my dissertation. In the most simple form, could somebody please tell me how i can calculate mass flow rate of particles leaving a hopper (simulation was don…

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## [How to open Large vtu file in Paraview?](https://discourse.paraview.org/t/how-to-open-large-vtu-file-in-paraview/10675)

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**Author:** [@1997best](https://discourse.paraview.org/u/1997best)\
**Replies:** 3\
**Last updated:** [November 7, 2022, 12:01pm UTC](https://discourse.paraview.org/t/how-to-open-large-vtu-file-in-paraview/10675 "2022-11-07T12:01:24Z")

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My result file is vtu format file, and I try to open in using Paraview. If data file size is small ( ~2GB) it opened well. However if it’s size is more then 3 or 4 GB, I got some error message and can’t open it. How c…

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## [Compute average quantities for each cross-section](https://discourse.paraview.org/t/compute-average-quantities-for-each-cross-section/10647)

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**Author:** [@Abhijeet\_Chodankar](https://discourse.paraview.org/u/Abhijeet_Chodankar)\
**Replies:** 4\
**Last updated:** [November 7, 2022, 8:15pm UTC](https://discourse.paraview.org/t/compute-average-quantities-for-each-cross-section/10647 "2022-11-07T20:15:38Z")

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Hello, I can presently compute the average quantities for each cross-section manually. It would be a tedious process to do the same for thousands of cross-sections. Is there a way to automate the process for each cross-…

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## [Slicing an unstructured mesh](https://discourse.paraview.org/t/slicing-an-unstructured-mesh/10684)

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**Author:** [@nathanbl](https://discourse.paraview.org/u/nathanbl)\
**Replies:** 1\
**Last updated:** [November 7, 2022, 1:27pm UTC](https://discourse.paraview.org/t/slicing-an-unstructured-mesh/10684 "2022-11-07T13:27:08Z")

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I am displaying a slice of some results (flow simulations from PYFR, if this makes a difference) in an unstructured mesh, and it is rather fuzzy looking. I was thinking this might have to do with the mesh being unstructu…

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## [how to access unknown blocks via python](https://discourse.paraview.org/t/how-to-access-unknown-blocks-via-python/10667)

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**Author:** [@FerdiFuchs](https://discourse.paraview.org/u/FerdiFuchs)\
**Replies:** 2\
**Last updated:** [November 7, 2022, 12:50pm UTC](https://discourse.paraview.org/t/how-to-access-unknown-blocks-via-python/10667 "2022-11-07T12:50:55Z")

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Hello everyone, im digging here in the forum, but i cant get a working solution. Im importing an ensight case and i want to access different patches of my cfd-domain to gain surface-averaged values of these patches dep…

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## [OPENGL not supported in WINDOWS 10 and Intel HD graphics card, GLEW could not be intialized missing GL version](https://discourse.paraview.org/t/opengl-not-supported-in-windows-10-and-intel-hd-graphics-card-glew-could-not-be-intialized-missing-gl-version/2701)

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**Author:** [@Sirius\_Fuenmayor](https://discourse.paraview.org/u/Sirius_Fuenmayor)\
**Replies:** 14\
**Last updated:** [November 7, 2022, 8:30am UTC](https://discourse.paraview.org/t/opengl-not-supported-in-windows-10-and-intel-hd-graphics-card-glew-could-not-be-intialized-missing-gl-version/2701 "2022-11-07T08:30:42Z")

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I can’t open Paraview on a Windows 10 64 bit machine. I get the error: GLEW could not be intialized missing GL version By doing some research on google I have found that the latest Intel drivers for Windows 10 for Inte…

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## [Paraview savedata option](https://discourse.paraview.org/t/paraview-savedata-option/10655)

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**Author:** [@Smruti\_Ranjan\_Jena](https://discourse.paraview.org/u/Smruti_Ranjan_Jena)\
**Replies:** 11\
**Last updated:** [November 7, 2022, 7:01am UTC](https://discourse.paraview.org/t/paraview-savedata-option/10655 "2022-11-07T07:01:16Z")

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Dear Community, I have some queries regarding data-export using Paraview for which I need some help. While saving data from paraview using the “Save Data” option in the tool bar, I realized that it is saving all the …

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## [plot3d function file](https://discourse.paraview.org/t/plot3d-function-file/10677)

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**Author:** [@DingLe139](https://discourse.paraview.org/u/DingLe139)\
**Replies:** 1\
**Last updated:** [November 7, 2022, 6:59am UTC](https://discourse.paraview.org/t/plot3d-function-file/10677 "2022-11-07T06:59:43Z")

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Hi! I’m new here.I want to visibilize plot3d physic datas (output from pyrosim) use paraview ,i have a .xyz file and a .q file ,but i can’t find the variables like ‘soot density’,‘soot visibility’ etc. I found someone us…

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## [How to open .fits file in paraview](https://discourse.paraview.org/t/how-to-open-fits-file-in-paraview/10660)

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**Author:** [@ixakalabadie](https://discourse.paraview.org/u/ixakalabadie)\
**Replies:** 4\
**Last updated:** [November 3, 2022, 3:49pm UTC](https://discourse.paraview.org/t/how-to-open-fits-file-in-paraview/10660 "2022-11-03T15:49:06Z")

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Hello, I have a .fits file I want to represent but Paraview does not give the option to open this type of file. Which would be the best option to do this? I tried opening it in python to get a numpy ndarray but I still…

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## [How to write VTK files in parallel?](https://discourse.paraview.org/t/how-to-write-vtk-files-in-parallel/10665)

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**Author:** [@axelwang](https://discourse.paraview.org/u/axelwang)\
**Replies:** 0\
**Last updated:** [November 3, 2022, 7:19am UTC](https://discourse.paraview.org/t/how-to-write-vtk-files-in-parallel/10665 "2022-11-03T07:19:41Z")

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Hey, I am trying to visualize data from a large simulation (~ 1TB data). I have managed to read/process this giant dataset in python using the distributed computing package Dask. My last bottle neck seems to be how to us…

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## [Create a user defined dynamic point source](https://discourse.paraview.org/t/create-a-user-defined-dynamic-point-source/10664)

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**Author:** [@Ouxid](https://discourse.paraview.org/u/Ouxid)\
**Replies:** 0\
**Last updated:** [November 3, 2022, 3:56am UTC](https://discourse.paraview.org/t/create-a-user-defined-dynamic-point-source/10664 "2022-11-03T03:56:05Z")

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Hello, I am having a tough time implementing what I thought was a simple idea. I would like to have a point source which properties (center, radius, number of points, etc.) are easily modifiable through a slider. This …

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## [no connection to pvserver using ssh port forwarding between ubuntu 22.04 machines](https://discourse.paraview.org/t/no-connection-to-pvserver-using-ssh-port-forwarding-between-ubuntu-22-04-machines/10663)

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**Author:** [@RalphT69](https://discourse.paraview.org/u/RalphT69)\
**Replies:** 1\
**Last updated:** [November 3, 2022, 12:32am UTC](https://discourse.paraview.org/t/no-connection-to-pvserver-using-ssh-port-forwarding-between-ubuntu-22-04-machines/10663 "2022-11-03T00:32:52Z")

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Hi, I get no connection to my remote pvserver using ssh port forwarding. Both machines run Ubuntu 22.04 and the used paraview and pvserver binaries come from the standard Ubuntu 22.04 repositories and were installed with…

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## [How to save selection as polydata vtk file instead of unstructured grid vtk file?](https://discourse.paraview.org/t/how-to-save-selection-as-polydata-vtk-file-instead-of-unstructured-grid-vtk-file/10625)

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**Author:** [@Gening\_Dong](https://discourse.paraview.org/u/Gening_Dong)\
**Replies:** 5\
**Last updated:** [November 2, 2022, 9:10pm UTC](https://discourse.paraview.org/t/how-to-save-selection-as-polydata-vtk-file-instead-of-unstructured-grid-vtk-file/10625 "2022-11-02T21:10:31Z")

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Hi, I want to extract some points from a tetrahedral mesh and save the selection as a Polydata vtk file. I used Select Points Through and then Extract Selection. I try to save it as vtk file, but it can only be saved …

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## [Is the transform in the representation applied on the GPU (potentially)?](https://discourse.paraview.org/t/is-the-transform-in-the-representation-applied-on-the-gpu-potentially/10661)

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**Author:** [@mclarsen](https://discourse.paraview.org/u/mclarsen)\
**Replies:** 2\
**Last updated:** [November 2, 2022, 5:50pm UTC](https://discourse.paraview.org/t/is-the-transform-in-the-representation-applied-on-the-gpu-potentially/10661 "2022-11-02T17:50:56Z")

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If paraview is using the GPU for rendering, is the transform specified in the representation applied on the GPU?

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## [paraview python conflicts with my local python](https://discourse.paraview.org/t/paraview-python-conflicts-with-my-local-python/10657)

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**Author:** [@bigfooted](https://discourse.paraview.org/u/bigfooted)\
**Replies:** 1\
**Last updated:** [November 2, 2022, 3:32pm UTC](https://discourse.paraview.org/t/paraview-python-conflicts-with-my-local-python/10657 "2022-11-02T15:32:35Z")

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Hi everyone, I downloaded the newest paraview on my ubuntu machine (ParaView-5.11.0-RC2-MPI-Linux-Python3.9-x86\_64.tar.gz) I start paraview and do ‘start trace’ or: I start pvpython I then get a bunch of errors, the …

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## [how can I clip a mesh with another stl plane?](https://discourse.paraview.org/t/how-can-i-clip-a-mesh-with-another-stl-plane/10641)

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**Author:** [@benbenxing1977](https://discourse.paraview.org/u/benbenxing1977)\
**Replies:** 2\
**Last updated:** [November 2, 2022, 8:11am UTC](https://discourse.paraview.org/t/how-can-i-clip-a-mesh-with-another-stl-plane/10641 "2022-11-02T08:11:35Z")

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Hello everyone, So happy to join in the community! Here is my first question: Can I clip a mesh with another mesh plane (imported from an STL file)? Which fileter is possible to do that? I want this because I can cre…

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## [calculator Use](https://discourse.paraview.org/t/calculator-use/10613)

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**Author:** [@tkdgur8314](https://discourse.paraview.org/u/tkdgur8314)\
**Replies:** 2\
**Last updated:** [November 2, 2022, 3:22am UTC](https://discourse.paraview.org/t/calculator-use/10613 "2022-11-02T03:22:10Z")

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Hello. I’d like to use the speed to get directions. There are x,y,z-Velocity values in the text file. I want to make a direction vector, but I have to use a calculator. Currently, it’s in the form of a dot, Table to Poi…

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## [How can I extract a surface from the inside of a tetrahedral mesh with global connectivity?](https://discourse.paraview.org/t/how-can-i-extract-a-surface-from-the-inside-of-a-tetrahedral-mesh-with-global-connectivity/10632)

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**Author:** [@Gening\_Dong](https://discourse.paraview.org/u/Gening_Dong)\
**Replies:** 11\
**Last updated:** [November 2, 2022, 12:46am UTC](https://discourse.paraview.org/t/how-can-i-extract-a-surface-from-the-inside-of-a-tetrahedral-mesh-with-global-connectivity/10632 "2022-11-02T00:46:54Z")

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Hi, I have a tetrahedral mesh for CFD simulation. I want to add a boundary condition inside the geometry (eg. add a boundary condition in the valve region of a cardiac outflow tract). I used Select Cell Through and then…

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## [Postprocessing AMRex data using Paraview python scripting](https://discourse.paraview.org/t/postprocessing-amrex-data-using-paraview-python-scripting/10650)

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**Author:** [@jstandr](https://discourse.paraview.org/u/jstandr)\
**Replies:** 1\
**Last updated:** [November 1, 2022, 9:43pm UTC](https://discourse.paraview.org/t/postprocessing-amrex-data-using-paraview-python-scripting/10650 "2022-11-01T21:43:17Z")

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Hello everyone, I am a PhD student at Texas A&M University. I am doing CFD and want to do some data post-processing and visualization using paraview. The CFD code I am using (PeleC) is an AMRex code, and doesn’t have a …

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## [Issue with PV5.11 RC2 installer on Ubuntu](https://discourse.paraview.org/t/issue-with-pv5-11-rc2-installer-on-ubuntu/10597)

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**Author:** [@Andy\_Bauer](https://discourse.paraview.org/u/Andy_Bauer)\
**Replies:** 11\
**Last updated:** [November 1, 2022, 1:26am UTC](https://discourse.paraview.org/t/issue-with-pv5-11-rc2-installer-on-ubuntu/10597 "2022-11-01T01:26:23Z")

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I’m getting the following error with the 5.11 RC2 candidate that I downloaded from the PV download site: acbauer@hoth:~/Code/ParaView/ParaView-5.11.0-RC2-MPI-Linux-Python3.9-x86\_64$ bin/paraview Warning: Ignoring XDG\_SE…

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## [Plotting data along cylinder circumference](https://discourse.paraview.org/t/plotting-data-along-cylinder-circumference/10646)

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**Author:** [@Finn\_Max](https://discourse.paraview.org/u/Finn_Max)\
**Replies:** 0\
**Last updated:** [November 1, 2022, 12:57am UTC](https://discourse.paraview.org/t/plotting-data-along-cylinder-circumference/10646 "2022-11-01T00:57:47Z")

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Hello, I am currently having a 2D model of the circular cylinder in the Paraview software, my goal is to plot a graph where in x-axis would be theta (0-360, basically cylinder circumference) and in y axis would be mean p…

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## [Crash when loading json file from Karamba3d](https://discourse.paraview.org/t/crash-when-loading-json-file-from-karamba3d/10616)

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**Author:** [@Gabriele\_Granello](https://discourse.paraview.org/u/Gabriele_Granello)\
**Replies:** 2\
**Last updated:** [October 31, 2022, 9:22am UTC](https://discourse.paraview.org/t/crash-when-loading-json-file-from-karamba3d/10616 "2022-10-31T09:22:29Z")

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Hi there, I am currently using Paraview 5.10.1 on Mac. I would like to import the results of a simulation carried out with Karamba3d in Grasshopper to create different plots. Karamba3d spits out a .json file with the st…

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## [Error: Extract Selection Filter](https://discourse.paraview.org/t/error-extract-selection-filter/10629)

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**Author:** [@FelixB](https://discourse.paraview.org/u/FelixB)\
**Replies:** 2\
**Last updated:** [October 31, 2022, 3:57am UTC](https://discourse.paraview.org/t/error-extract-selection-filter/10629 "2022-10-31T03:57:51Z")

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When I try to apply the extract selection filter I get the following error: Warning: In vtkExtractRectilinearGrid.cxx, line 129 vtkPExtractRectilinearGrid (0x205bf500): Error while initializing filter. this error also…

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## [no module found: paraview error](https://discourse.paraview.org/t/no-module-found-paraview-error/10451)

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**Author:** [@Pravin\_Poudel](https://discourse.paraview.org/u/Pravin_Poudel)\
**Replies:** 1\
**Last updated:** [October 30, 2022, 3:59pm UTC](https://discourse.paraview.org/t/no-module-found-paraview-error/10451 "2022-10-30T15:59:34Z")

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I followed the thread Not able to import paraview.simple module on windows still i am not able to run paraview and am getting not module found error: This is path in environment variable: and this is my pythonpath v…

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## [PedigreeNodeID](https://discourse.paraview.org/t/pedigreenodeid/1740)

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**Author:** [@Mariana\_Rodriguez](https://discourse.paraview.org/u/Mariana_Rodriguez)\
**Replies:** 2\
**Last updated:** [October 28, 2022, 12:02am UTC](https://discourse.paraview.org/t/pedigreenodeid/1740 "2022-10-28T00:02:26Z")

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Hello, I would like to check if the property in ParaView called PedigreeNodeID is the node ID in my mesh, or if Paraview assigns this PedegreeNodeID differently than the ID of the nodes. Thank you, Mariana

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## [Paraview 5.11.0-RC2 does not recognize time input data from csv files](https://discourse.paraview.org/t/paraview-5-11-0-rc2-does-not-recognize-time-input-data-from-csv-files/10603)

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**Author:** [@Jeremie](https://discourse.paraview.org/u/Jeremie)\
**Replies:** 2\
**Last updated:** [October 27, 2022, 1:37am UTC](https://discourse.paraview.org/t/paraview-5-11-0-rc2-does-not-recognize-time-input-data-from-csv-files/10603 "2022-10-27T01:37:27Z")

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Hello, I have updated to Paraview 5.11.0-RC2 and a bug has occurred since. When I open input data of the format col-cds000XXXXX.csv such as here: example.zip (3.6 MB) Instead of recognizing each file as an iteration …

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## [grow selection button: change number of grew cells](https://discourse.paraview.org/t/grow-selection-button-change-number-of-grew-cells/10602)

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**Author:** [@Pauly1](https://discourse.paraview.org/u/Pauly1)\
**Replies:** 1\
**Last updated:** [October 27, 2022, 1:33am UTC](https://discourse.paraview.org/t/grow-selection-button-change-number-of-grew-cells/10602 "2022-10-27T01:33:56Z")

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Hello, I’m using grow selection button to get a cell’s neighboring cells, but current default setting gives me more than I want, I’m wondering if there is any way to control the number of growing cells? Or, if there is …

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## [Use block names in legend](https://discourse.paraview.org/t/use-block-names-in-legend/10548)

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**Author:** [@Jeremie](https://discourse.paraview.org/u/Jeremie)\
**Replies:** 13\
**Last updated:** [October 27, 2022, 1:26am UTC](https://discourse.paraview.org/t/use-block-names-in-legend/10548 "2022-10-27T01:26:51Z")

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Hi, is there a way to use block names in the legend instead of the default (block = 1), (block = 2), etc… Best, Jérémie

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## [Enable 3D Visualization versus Coloring only](https://discourse.paraview.org/t/enable-3d-visualization-versus-coloring-only/10605)

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**Author:** [@davethomaspilot](https://discourse.paraview.org/u/davethomaspilot)\
**Replies:** 3\
**Last updated:** [October 26, 2022, 1:04pm UTC](https://discourse.paraview.org/t/enable-3d-visualization-versus-coloring-only/10605 "2022-10-26T13:04:44Z")

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Newbie question… I’m following an OpenEMS tutorial which includes visualization of simulation results using ParaView. The tutorial example uses 3.8.0.2: https://openems.de/index.php/File:Paraview\_screenshot1.png.html …

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