# Top

**URL:** https://discourse.paraview.org/top.md?page=48&period=all

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

**Page:** 49

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## [Hanging issue using OpenFOAM + Catalyst in a HPC cluster](https://discourse.paraview.org/t/hanging-issue-using-openfoam-catalyst-in-a-hpc-cluster/545)

<div class="topic-metadata">

**Author:** [@sbna](https://discourse.paraview.org/u/sbna)\
**Replies:** 0\
**Last updated:** [September 7, 2018, 1:42pm UTC](https://discourse.paraview.org/t/hanging-issue-using-openfoam-catalyst-in-a-hpc-cluster/545 "2018-09-07T13:42:43Z")

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Hi, We developed with ESI a function object that couple OpenFOAM with Catalyst. We created a pipeline that performs a rendering of a contour of a field together with the wireframe of the geometry and tested it on a HPC…

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## [Docs Bit Broken, Where is the Camera Orbit?](https://discourse.paraview.org/t/docs-bit-broken-where-is-the-camera-orbit/15793)

<div class="topic-metadata">

**Author:** [@BrendaEM](https://discourse.paraview.org/u/BrendaEM)\
**Replies:** 7\
**Last updated:** [November 28, 2024, 9:03am UTC](https://discourse.paraview.org/t/docs-bit-broken-where-is-the-camera-orbit/15793 "2024-11-28T09:03:34Z")

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Hi, Firstly, the docs need a bit of updating, as it still mentions the Animation view, which AFAIK has been merged to the “Time Manager.” https://docs.paraview.org/en/v5.12.0/Tutorials/ClassroomTutorials/advancedAnimat…

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## [Animation Camera Orbit Python](https://discourse.paraview.org/t/animation-camera-orbit-python/2907)

<div class="topic-metadata">

**Author:** [@gilcu2](https://discourse.paraview.org/u/gilcu2)\
**Replies:** 5\
**Last updated:** [November 8, 2019, 9:34am UTC](https://discourse.paraview.org/t/animation-camera-orbit-python/2907 "2019-11-08T09:34:56Z")

</div>

Hello, How can reproduce the Animation by Camera Orbit of the graphic client in Python? Thanks

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## [Question about draw multiple line segment in render view](https://discourse.paraview.org/t/question-about-draw-multiple-line-segment-in-render-view/12283)

<div class="topic-metadata">

**Author:** [@zipengxu456](https://discourse.paraview.org/u/zipengxu456)\
**Replies:** 1\
**Last updated:** [June 12, 2023, 8:23am UTC](https://discourse.paraview.org/t/question-about-draw-multiple-line-segment-in-render-view/12283 "2023-06-12T08:23:48Z")

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Hello, I’m a Newbie regarding using Paraview. I currently have a set of data that contain 110000 rows and each row has two points’ coordinates: X1, Y1, Z1 and X2, Y2, Z2. What I want to do is connect two points for eac…

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## [Cannot Find VTK Modules Necessary for vtkPVPythonCatalyst](https://discourse.paraview.org/t/cannot-find-vtk-modules-necessary-for-vtkpvpythoncatalyst/5069)

<div class="topic-metadata">

**Author:** [@SeanLeon1973](https://discourse.paraview.org/u/SeanLeon1973)\
**Replies:** 3\
**Last updated:** [August 27, 2020, 12:16pm UTC](https://discourse.paraview.org/t/cannot-find-vtk-modules-necessary-for-vtkpvpythoncatalyst/5069 "2020-08-27T12:16:03Z")

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I am attempting to get the basic catalyst implementation in The Catalyst User’s Guide v2.0 working on the simulation framework I am working on, but I have run into issues. I took my CMakeLists.txt from the Catalyst User…

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## [Sound waves emitted from a point](https://discourse.paraview.org/t/sound-waves-emitted-from-a-point/419)

<div class="topic-metadata">

**Author:** [@RickF](https://discourse.paraview.org/u/RickF)\
**Replies:** 4\
**Last updated:** [February 25, 2020, 7:12am UTC](https://discourse.paraview.org/t/sound-waves-emitted-from-a-point/419 "2020-02-25T07:12:14Z")

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Hi, M trying to make a representation of (sound) waves generated in all directions from a point. Ideally would be transparent to a degree so as to not obscure other object. Can anyone give me a recipe for this. Thanks…

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## [Set same legend for multiple views once](https://discourse.paraview.org/t/set-same-legend-for-multiple-views-once/5450)

<div class="topic-metadata">

**Author:** [@bergt](https://discourse.paraview.org/u/bergt)\
**Replies:** 7\
**Last updated:** [September 30, 2020, 9:34am UTC](https://discourse.paraview.org/t/set-same-legend-for-multiple-views-once/5450 "2020-09-30T09:34:50Z")

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Hi, My problem is that I have a lot of outputs (actually a set of outputs (time serie)) and I want to know if there is a easy way to set the limits and style to the legend for all outputs at once? I know how to do it…

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## [xming and paraview](https://discourse.paraview.org/t/xming-and-paraview/3168)

<div class="topic-metadata">

**Author:** [@Samah](https://discourse.paraview.org/u/Samah)\
**Replies:** 1\
**Last updated:** [December 12, 2019, 7:48am UTC](https://discourse.paraview.org/t/xming-and-paraview/3168 "2019-12-12T07:48:38Z")

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Hello, when I type paraview on ubuntu, paraview do not open and I have the following message ‘’‘paraview and xming are not connected.’’’ Could you give me your advice,please? I appreciate your kind help.

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## [Disable interactive view window when running pvpython](https://discourse.paraview.org/t/disable-interactive-view-window-when-running-pvpython/9226)

<div class="topic-metadata">

**Author:** [@Ying](https://discourse.paraview.org/u/Ying)\
**Replies:** 4\
**Last updated:** [March 22, 2022, 1:57pm UTC](https://discourse.paraview.org/t/disable-interactive-view-window-when-running-pvpython/9226 "2022-03-22T13:57:38Z")

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Hi all, I use pvpython to convert vtk file to image. During each processing procedure, the interactive view window (for my case is renderView1) will appear in real-time, is there any settings of renderView1() to disable…

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## [Save multiblock data to CSV](https://discourse.paraview.org/t/save-multiblock-data-to-csv/4634)

<div class="topic-metadata">

**Author:** [@Andrey](https://discourse.paraview.org/u/Andrey)\
**Replies:** 4\
**Last updated:** [June 23, 2020, 8:53am UTC](https://discourse.paraview.org/t/save-multiblock-data-to-csv/4634 "2020-06-23T08:53:41Z")

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Hello! My question is about saving data to a csv file. I’m trying to save the slice of multiblock cgns. Earlier (before version 5.7) I was getting a set of csv files separately for each block. Now (version 5.8) I get o…

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## [General design questions for plugins programming](https://discourse.paraview.org/t/general-design-questions-for-plugins-programming/261)

<div class="topic-metadata">

**Author:** [@raffienficiaud](https://discourse.paraview.org/u/raffienficiaud)\
**Replies:** 5\
**Last updated:** [July 3, 2018, 12:19pm UTC](https://discourse.paraview.org/t/general-design-questions-for-plugins-programming/261 "2018-07-03T12:19:26Z")

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Dear forum, My name is Raffi Enficiaud, and I am developing a plugin in Paraview for brain data visualization. I am relatively new to Paraview/VTK and plugin developments, so please accept my apologies if my questions s…

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## [Add B-Spline/ NURBS visualization capability.](https://discourse.paraview.org/t/add-b-spline-nurbs-visualization-capability/7029)

<div class="topic-metadata">

**Author:** [@mwestphal](https://discourse.paraview.org/u/mwestphal)\
**Replies:** 2\
**Last updated:** [April 22, 2021, 4:05pm UTC](https://discourse.paraview.org/t/add-b-spline-nurbs-visualization-capability/7029 "2021-04-22T16:05:01Z")

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From a user voice request. Please add a feature in order to be able to directly visualize NURBS --no discretization necessary!. NURBS is already a standard in computer graphics and the future of FEA (isogeometric analys…

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## [Getting coordinates of selected point in python](https://discourse.paraview.org/t/getting-coordinates-of-selected-point-in-python/8323)

<div class="topic-metadata">

**Author:** [@Rinaldo](https://discourse.paraview.org/u/Rinaldo)\
**Replies:** 2\
**Last updated:** [November 4, 2021, 3:01pm UTC](https://discourse.paraview.org/t/getting-coordinates-of-selected-point-in-python/8323 "2021-11-04T15:01:56Z")

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Hello, I have now spent multiple hours going through every post on “getting point coordinates”, but to no avail. I have a wavelet source on the surface of which I have selected a point using the GUI. Now I want to get …

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## [Is it possible to use a custom filter from pvpython?](https://discourse.paraview.org/t/is-it-possible-to-use-a-custom-filter-from-pvpython/2293)

<div class="topic-metadata">

**Author:** [@william](https://discourse.paraview.org/u/william)\
**Replies:** 6\
**Last updated:** [July 11, 2025, 9:05am UTC](https://discourse.paraview.org/t/is-it-possible-to-use-a-custom-filter-from-pvpython/2293 "2025-07-11T09:05:27Z")

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Hi, I have created a very long python script from a trace. Unfortunately I used a custom filter, so the trace took it as a function. Now, if I want to re-run the script generated by the trace, I get the error that pvpyt…

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## [get points and connectivity from vtkunstructuredgrid](https://discourse.paraview.org/t/get-points-and-connectivity-from-vtkunstructuredgrid/9566)

<div class="topic-metadata">

**Author:** [@bigfooted](https://discourse.paraview.org/u/bigfooted)\
**Replies:** 2\
**Last updated:** [May 6, 2022, 5:44pm UTC](https://discourse.paraview.org/t/get-points-and-connectivity-from-vtkunstructuredgrid/9566 "2022-05-06T17:44:35Z")

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Hi all, I would like to write the points and connectivity information from an unstructuredgrid to a file using a python plugin. I’m wondering if I’m doing the right thing. My data comes from a multiblock and I first get…

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## [Extract surface of domain based on condition](https://discourse.paraview.org/t/extract-surface-of-domain-based-on-condition/4694)

<div class="topic-metadata">

**Author:** [@thabuis](https://discourse.paraview.org/u/thabuis)\
**Replies:** 2\
**Last updated:** [June 29, 2020, 8:00am UTC](https://discourse.paraview.org/t/extract-surface-of-domain-based-on-condition/4694 "2020-06-29T08:00:50Z")

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Hello everyone, I have a .pvd file generated from FEniCS containing some data points. I would like to extract the cells/surfaces where a condition is met (data\_value \> 0.5), to export it afterwards to a .STL file. See …

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## [troubleshooting core dumps in Ubuntu 18.04](https://discourse.paraview.org/t/troubleshooting-core-dumps-in-ubuntu-18-04/5601)

<div class="topic-metadata">

**Author:** [@Francesc\_Costa](https://discourse.paraview.org/u/Francesc_Costa)\
**Replies:** 5\
**Last updated:** [October 22, 2020, 7:28pm UTC](https://discourse.paraview.org/t/troubleshooting-core-dumps-in-ubuntu-18-04/5601 "2020-10-22T19:28:48Z")

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Hello, Can you give some help in understanding a core dump while running paraview in a Ubuntu 18.04? I have not experience in understanding core dumps in Ubuntu. How can I know what is the problem? I do not know if it…

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## [Assign attributes to the blocks of a vtkMultiBlockDataSet](https://discourse.paraview.org/t/assign-attributes-to-the-blocks-of-a-vtkmultiblockdataset/5565)

<div class="topic-metadata">

**Author:** [@cobo](https://discourse.paraview.org/u/cobo)\
**Replies:** 6\
**Last updated:** [October 20, 2020, 6:50am UTC](https://discourse.paraview.org/t/assign-attributes-to-the-blocks-of-a-vtkmultiblockdataset/5565 "2020-10-20T06:50:01Z")

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I know that we have PointData with attributes, CellData with attributes and FieldData, but I am not aware of anything like BlockData: This would be the thing that I would actually like to use if possible! But maybe ther…

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## [Paraview 5.6.0 pvserver EGL build advice](https://discourse.paraview.org/t/paraview-5-6-0-pvserver-egl-build-advice/1332)

<div class="topic-metadata">

**Author:** [@scotterdavid](https://discourse.paraview.org/u/scotterdavid)\
**Replies:** 5\
**Last updated:** [March 4, 2019, 1:37pm UTC](https://discourse.paraview.org/t/paraview-5-6-0-pvserver-egl-build-advice/1332 "2019-03-04T13:37:39Z")

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Hello, I’m attempting to build the pvserver with EGL support that could be used with our Nvidia GPU cards. I’ve been working on the build for a while, but it always fails as shown below. The details of the build are in …

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## [Pre-loading Steps](https://discourse.paraview.org/t/pre-loading-steps/9309)

<div class="topic-metadata">

**Author:** [@mattmuso](https://discourse.paraview.org/u/mattmuso)\
**Replies:** 3\
**Last updated:** [March 30, 2022, 12:35pm UTC](https://discourse.paraview.org/t/pre-loading-steps/9309 "2022-03-30T12:35:42Z")

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Hi, I’ve ran a model on FLAC3D and have 4 steps in 1 in each output vtk files. I highlight and drag the 4 files into paraview into the pipeline browser and after sometime they load in as 1 item with a \* at the end of th…

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## [build names, compilers, abbreviations](https://discourse.paraview.org/t/build-names-compilers-abbreviations/272)

<div class="topic-metadata">

**Author:** [@Someone\_fromjapan](https://discourse.paraview.org/u/Someone_fromjapan)\
**Replies:** 2\
**Last updated:** [July 4, 2018, 3:14pm UTC](https://discourse.paraview.org/t/build-names-compilers-abbreviations/272 "2018-07-04T15:14:42Z")

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in the download section we can find “stable” releases named as ParaView-5.5.2-Qt5-Windows-64bit.zip ParaView-5.5.2-Qt5-Windows-64bit.exe ParaView-5.5.2-Qt5-MPI-Windows-64bit.zip ParaView-5.5.2-Qt5-MPI-Windows-64bit.e…

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## [Rotate the Text filter](https://discourse.paraview.org/t/rotate-the-text-filter/4528)

<div class="topic-metadata">

**Author:** [@ANON1](https://discourse.paraview.org/u/ANON1)\
**Replies:** 4\
**Last updated:** [November 21, 2023, 3:44am UTC](https://discourse.paraview.org/t/rotate-the-text-filter/4528 "2023-11-21T03:44:36Z")

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Hello, When I insert a text via Text filter, I can’t see any option to rotate it. The Transform filter doesn’t apply in this case. Is it possible to rotate the text inserted by Text filter? Thanks

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## [About an annoying font warning](https://discourse.paraview.org/t/about-an-annoying-font-warning/2112)

<div class="topic-metadata">

**Author:** [@xilingchu](https://discourse.paraview.org/u/xilingchu)\
**Replies:** 4\
**Last updated:** [June 27, 2019, 4:24am UTC](https://discourse.paraview.org/t/about-an-annoying-font-warning/2112 "2019-06-27T04:24:07Z")

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Hi, I met an annoying bug every time I try to open paraview. It showed me something like that: Fontconfig warning: “/etc/fonts/fonts.conf”, line 160: blank doesn’t take any effect anymore. please remove it from your fo…

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## [Paraview v5.8 Not responding](https://discourse.paraview.org/t/paraview-v5-8-not-responding/4106)

<div class="topic-metadata">

**Author:** [@Ankur\_Gurjar](https://discourse.paraview.org/u/Ankur_Gurjar)\
**Replies:** 5\
**Last updated:** [April 20, 2020, 12:01pm UTC](https://discourse.paraview.org/t/paraview-v5-8-not-responding/4106 "2020-04-20T12:01:47Z")

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Hello All, I’m Ankur, I’ve downloaded v5.8 for Microsoft from the paraview software from the website. After finishing pipeline in dream 3d software I’m trying to import and visualise the .xdmf file in Paraview.But as i…

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## [Mouse Interaction (paraview vs pvpython)](https://discourse.paraview.org/t/mouse-interaction-paraview-vs-pvpython/11173)

<div class="topic-metadata">

**Author:** [@qasimta](https://discourse.paraview.org/u/qasimta)\
**Replies:** 4\
**Last updated:** [January 22, 2023, 11:56am UTC](https://discourse.paraview.org/t/mouse-interaction-paraview-vs-pvpython/11173 "2023-01-22T11:56:23Z")

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Hello, I’m a beginner to paraview python development. I have loaded a 3D grid model using a custom reader. When the model is loaded in paraview the mouse interaction is totally different than when I load the same model…

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## [Zoom To Box question](https://discourse.paraview.org/t/zoom-to-box-question/11359)

<div class="topic-metadata">

**Author:** [@Andy\_Bauer](https://discourse.paraview.org/u/Andy_Bauer)\
**Replies:** 8\
**Last updated:** [February 16, 2023, 8:20pm UTC](https://discourse.paraview.org/t/zoom-to-box-question/11359 "2023-02-16T20:20:47Z")

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Hi, I’m trying the Zoom To Box but it seems to rotate the view (specifically, the view’s camera angle) if I don’t have Camera Parallel Projection checked. This is the same whether the view is set to a 2D or a 3D view. T…

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## [Is there any abilities to add a interactive widgets on LineChartView same as 3D widgets on RenderView?](https://discourse.paraview.org/t/is-there-any-abilities-to-add-a-interactive-widgets-on-linechartview-same-as-3d-widgets-on-renderview/2273)

<div class="topic-metadata">

**Author:** [@e-kolosov](https://discourse.paraview.org/u/e-kolosov)\
**Replies:** 6\
**Last updated:** [August 10, 2020, 7:56am UTC](https://discourse.paraview.org/t/is-there-any-abilities-to-add-a-interactive-widgets-on-linechartview-same-as-3d-widgets-on-renderview/2273 "2020-08-10T07:56:04Z")

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Is there any abilities to add a interactive widgets on LineChartView same as 3D widgets on RenderView? If it’s possible, then how can I do it? What classes I should to use?

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## [Light Inspector & Light Kit Documentation?](https://discourse.paraview.org/t/light-inspector-light-kit-documentation/6941)

<div class="topic-metadata">

**Author:** [@ReneHommel](https://discourse.paraview.org/u/ReneHommel)\
**Replies:** 2\
**Last updated:** [April 14, 2021, 8:00am UTC](https://discourse.paraview.org/t/light-inspector-light-kit-documentation/6941 "2021-04-14T08:00:42Z")

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I have searched a lot in the documentation, in the Paraview Wiki and in other sources, but I can’t find any documentation of the Light Inspector Panel. Especially the Light Kit is not very intuitive. The additional ligh…

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## [Re-scaling X axis and fitting it to data cube](https://discourse.paraview.org/t/re-scaling-x-axis-and-fitting-it-to-data-cube/8844)

<div class="topic-metadata">

**Author:** [@Victor\_Koehne\_Ramalh](https://discourse.paraview.org/u/Victor_Koehne_Ramalh)\
**Replies:** 6\
**Last updated:** [January 27, 2022, 2:08pm UTC](https://discourse.paraview.org/t/re-scaling-x-axis-and-fitting-it-to-data-cube/8844 "2022-01-27T14:08:13Z")

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Hello all, after re-scaling the X-axis, I get the correct labels, but it stretches outside the data: All labels are correct, but now the X axis don’t fit the data cube anymore. Any tips on how to make it start at 0 a…

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## [Volume of liquid of multiple threshold regions](https://discourse.paraview.org/t/volume-of-liquid-of-multiple-threshold-regions/4197)

<div class="topic-metadata">

**Author:** [@carl](https://discourse.paraview.org/u/carl)\
**Replies:** 2\
**Last updated:** [April 28, 2020, 2:31pm UTC](https://discourse.paraview.org/t/volume-of-liquid-of-multiple-threshold-regions/4197 "2020-04-28T14:31:03Z")

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Hi, I’m have a simulation and would like to output the volume of liquid (fraction liquid scalar x cell volume) for multiple threshold defined regions using paraview. Is this possible? I can find the total volume of the…

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## [How to rescale color map/ transfer function](https://discourse.paraview.org/t/how-to-rescale-color-map-transfer-function/3575)

<div class="topic-metadata">

**Author:** [@Shubham\_Belgaonkar](https://discourse.paraview.org/u/Shubham_Belgaonkar)\
**Replies:** 1\
**Last updated:** [February 17, 2020, 2:49am UTC](https://discourse.paraview.org/t/how-to-rescale-color-map-transfer-function/3575 "2020-02-17T02:49:27Z")

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how do i rescale the “Radius” color map from 0.0000 to 0.1024 instead of 0 to 10. i need python script for it. json file for the “Radius” color map: \[ { "ColorSpace" : "RGB", "Name" : "lagr\_ryba.4", "Point…

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## [Show different datasets as triangular mesh and glyph type of sphere, respectively.](https://discourse.paraview.org/t/show-different-datasets-as-triangular-mesh-and-glyph-type-of-sphere-respectively/4858)

<div class="topic-metadata">

**Author:** [@rex0707](https://discourse.paraview.org/u/rex0707)\
**Replies:** 6\
**Last updated:** [July 22, 2020, 9:21am UTC](https://discourse.paraview.org/t/show-different-datasets-as-triangular-mesh-and-glyph-type-of-sphere-respectively/4858 "2020-07-22T09:21:46Z")

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Hi all, Recently, I have performed particle simulation and I would like to do post-processing. My question is that I have two datasets, one is for triangular mesh and the other is for particles. I can show glygh of sp…

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## [ParaView 5.8.0 Release Candidate 2 available for download](https://discourse.paraview.org/t/paraview-5-8-0-release-candidate-2-available-for-download/3464)

<div class="topic-metadata">

**Author:** [@cory.quammen](https://discourse.paraview.org/u/cory.quammen)\
**Replies:** 0\
**Last updated:** [January 30, 2020, 3:54pm UTC](https://discourse.paraview.org/t/paraview-5-8-0-release-candidate-2-available-for-download/3464 "2020-01-30T15:54:21Z")

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The ParaView team is pleased to announce that ParaView 5.8.0-RC2 (Release Candidate 2) is available for download at https://www.paraview.org/download/ ParaView’s git repository and superbuild repository have been tagg…

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## [Get Minimum Cell Dimensions](https://discourse.paraview.org/t/get-minimum-cell-dimensions/6177)

<div class="topic-metadata">

**Author:** [@theodorebaltis](https://discourse.paraview.org/u/theodorebaltis)\
**Replies:** 1\
**Last updated:** [January 7, 2021, 9:29am UTC](https://discourse.paraview.org/t/get-minimum-cell-dimensions/6177 "2021-01-07T09:29:50Z")

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I’m trying to get the minimum cell edge lengths in X,Y, and Z. The best solution I’ve found yet is the accepted solution from this link: https://stackoverflow.com/questions/47714565/vtk-how-to-read-grid-cells-lenth-wid…

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## [Cell/Point connectivity for Exodus Multiblock dataset](https://discourse.paraview.org/t/cell-point-connectivity-for-exodus-multiblock-dataset/815)

<div class="topic-metadata">

**Author:** [@DennisConklin](https://discourse.paraview.org/u/DennisConklin)\
**Replies:** 6\
**Last updated:** [November 6, 2018, 6:47pm UTC](https://discourse.paraview.org/t/cell-point-connectivity-for-exodus-multiblock-dataset/815 "2018-11-06T18:47:56Z")

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All, I need to find breaks in my truss networks inside an Exodus MBD. The best way for me to identify them would be to find all the nodes that are only connected to a single element. I have no idea how to figure that …

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## [VTK version in latest Paraview](https://discourse.paraview.org/t/vtk-version-in-latest-paraview/6662)

<div class="topic-metadata">

**Author:** [@siver](https://discourse.paraview.org/u/siver)\
**Replies:** 5\
**Last updated:** [March 10, 2021, 3:29pm UTC](https://discourse.paraview.org/t/vtk-version-in-latest-paraview/6662 "2021-03-10T15:29:47Z")

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Dear devs, Is ParaView 5.9.0 using a VTK version, different from 9.0.1? Thank you. Sincerely, Art

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## [Node data in unstructured, multiblock data (Catalyst)](https://discourse.paraview.org/t/node-data-in-unstructured-multiblock-data-catalyst/168)

<div class="topic-metadata">

**Author:** [@gmarks](https://discourse.paraview.org/u/gmarks)\
**Replies:** 5\
**Last updated:** [June 14, 2018, 2:16pm UTC](https://discourse.paraview.org/t/node-data-in-unstructured-multiblock-data-catalyst/168 "2018-06-14T14:16:49Z")

</div>

I’m quite new to Paraview/Catalyst, but I was wondering if somebody could clarify something in the Catalyst user guide. With respect to multiblock data, it says (page 33) that “If the leaf is a vtkDataSet then it should…

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## [Performance problems: data format & amount of data per pvserver?](https://discourse.paraview.org/t/performance-problems-data-format-amount-of-data-per-pvserver/1208)

<div class="topic-metadata">

**Author:** [@Erik\_Keever](https://discourse.paraview.org/u/Erik_Keever)\
**Replies:** 5\
**Last updated:** [February 11, 2019, 2:53pm UTC](https://discourse.paraview.org/t/performance-problems-data-format-amount-of-data-per-pvserver/1208 "2019-02-11T14:53:01Z")

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Hello, I am hoping to use PV to visualize a structured grid DNS with ~900M cells. As a prelude I’m trying to get client/server mode working and performant on my local cluster and… there are… some performance problems to…

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## [ParaView-superbuild crashes when .nas files are opened. Problem with VisIt reader?](https://discourse.paraview.org/t/paraview-superbuild-crashes-when-nas-files-are-opened-problem-with-visit-reader/1032)

<div class="topic-metadata">

**Author:** [@sabyasachi](https://discourse.paraview.org/u/sabyasachi)\
**Replies:** 4\
**Last updated:** [December 13, 2018, 3:45pm UTC](https://discourse.paraview.org/t/paraview-superbuild-crashes-when-nas-files-are-opened-problem-with-visit-reader/1032 "2018-12-13T15:45:36Z")

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Hello, I have installed paraview with the superbuild procedure on a MacOS. My main use-case is to use paraview to read Nastran files. To do this, I have enabled VisIt reader by turning on “ENABLE\_visitbridge” during the…

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## [Merge Blocks filter not working for XDMF multiblock unstructured grids in 5.6.0](https://discourse.paraview.org/t/merge-blocks-filter-not-working-for-xdmf-multiblock-unstructured-grids-in-5-6-0/1002)

<div class="topic-metadata">

**Author:** [@asmith](https://discourse.paraview.org/u/asmith)\
**Replies:** 4\
**Last updated:** [December 12, 2018, 5:29pm UTC](https://discourse.paraview.org/t/merge-blocks-filter-not-working-for-xdmf-multiblock-unstructured-grids-in-5-6-0/1002 "2018-12-12T17:29:15Z")

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I have an XDMF multiblock unstructured grid opened with the ParaView 5.6.0 binaries. After taking a slice I get the following: I attempt a Merge Blocks filter and get the following: Can anyone else confirm this be…

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## [Get results from filter in another branch of the pipeline](https://discourse.paraview.org/t/get-results-from-filter-in-another-branch-of-the-pipeline/4755)

<div class="topic-metadata">

**Author:** [@Rob777](https://discourse.paraview.org/u/Rob777)\
**Replies:** 6\
**Last updated:** [July 10, 2020, 7:34am UTC](https://discourse.paraview.org/t/get-results-from-filter-in-another-branch-of-the-pipeline/4755 "2020-07-10T07:34:29Z")

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Hi Everyone, I’m creating a Paraview case where I have two branched pipelines. In the first, the last filter used is integrate variables, in the latter is the python calculator. I need to use as a variable in the python…

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## [Error with vtkCSVWriter.cxx in ParaView 5.7.0-RC2](https://discourse.paraview.org/t/error-with-vtkcsvwriter-cxx-in-paraview-5-7-0-rc2/2435)

<div class="topic-metadata">

**Author:** [@joeh](https://discourse.paraview.org/u/joeh)\
**Replies:** 5\
**Last updated:** [August 15, 2019, 7:20pm UTC](https://discourse.paraview.org/t/error-with-vtkcsvwriter-cxx-in-paraview-5-7-0-rc2/2435 "2019-08-15T19:20:00Z")

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I am getting an error in vtkCSVWriter.cxx when using gcc 4.8.5 to build ParaView 5.7.0-RC2 This seems to have been introduced by the change last week to fix issue #19224 (Save Data, csv file, from streamtracer is bad) …

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## [Calling Render Seems to Crash pvpython](https://discourse.paraview.org/t/calling-render-seems-to-crash-pvpython/6102)

<div class="topic-metadata">

**Author:** [@suoarski](https://discourse.paraview.org/u/suoarski)\
**Replies:** 8\
**Last updated:** [December 22, 2020, 9:35am UTC](https://discourse.paraview.org/t/calling-render-seems-to-crash-pvpython/6102 "2020-12-22T09:35:35Z")

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So I have just installed ParaView, and decided to follow the tutorial Introduction to Paraview, on the official documentation for ParaView. Everything works fine, until I open pvpython 5.9.0, and run the following: from…

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## [Paraview not working](https://discourse.paraview.org/t/paraview-not-working/5075)

<div class="topic-metadata">

**Author:** [@KB92](https://discourse.paraview.org/u/KB92)\
**Replies:** 7\
**Last updated:** [August 11, 2020, 8:25am UTC](https://discourse.paraview.org/t/paraview-not-working/5075 "2020-08-11T08:25:15Z")

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Hello, I have Paraview 5.8.0 installed on my computer with windows 10. It works okay when I am in the office but doesn’t work elsewhere. If I try to use Paraview at home I have to turn off internet and switch my laptop …

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## [Use the output of the calculator filter in pvpython](https://discourse.paraview.org/t/use-the-output-of-the-calculator-filter-in-pvpython/10400)

<div class="topic-metadata">

**Author:** [@phismith](https://discourse.paraview.org/u/phismith)\
**Replies:** 7\
**Last updated:** [September 7, 2023, 3:05pm UTC](https://discourse.paraview.org/t/use-the-output-of-the-calculator-filter-in-pvpython/10400 "2023-09-07T15:05:20Z")

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Hi All, I have been trying to use the output of the Python Calculator for the clip value within pvpython. I would like it to be a variable that can be added to the script, so when I change the formula, the new value wil…

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## [How to show vtkUnstructuredGrid in pvpython of paraview?](https://discourse.paraview.org/t/how-to-show-vtkunstructuredgrid-in-pvpython-of-paraview/1261)

<div class="topic-metadata">

**Author:** [@weihuayi](https://discourse.paraview.org/u/weihuayi)\
**Replies:** 2\
**Last updated:** [February 11, 2019, 3:45pm UTC](https://discourse.paraview.org/t/how-to-show-vtkunstructuredgrid-in-pvpython-of-paraview/1261 "2019-02-11T15:45:45Z")

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I install paraview 5.6 on my Ubuntu 18.04 system and I want to write a python script to show a vtkUnstructuredGrid. import numpy as np from paraview.simple import \* import paraview.vtk as vtk from paraview.vtk.numpy\_int…

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## [Revert time series](https://discourse.paraview.org/t/revert-time-series/1210)

<div class="topic-metadata">

**Author:** [@rbeucher](https://discourse.paraview.org/u/rbeucher)\
**Replies:** 4\
**Last updated:** [February 1, 2019, 4:23am UTC](https://discourse.paraview.org/t/revert-time-series/1210 "2019-02-01T04:23:26Z")

</div>

Hi All, Is it possible to revert the frame order so that the animation starts at the end and goes back in time? I would like to seed tracers at the end of a simulation and see where they have originated from. So it is…

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## ["No Proxy that matches" error](https://discourse.paraview.org/t/no-proxy-that-matches-error/3955)

<div class="topic-metadata">

**Author:** [@Badoumba](https://discourse.paraview.org/u/Badoumba)\
**Replies:** 5\
**Last updated:** [April 8, 2020, 8:51am UTC](https://discourse.paraview.org/t/no-proxy-that-matches-error/3955 "2020-04-08T08:51:14Z")

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Hi everyone, I built a case with Paraview 5.4.1 and sent the complete folder to a friend. Opening it with Paraview 5.8.0, he is prompt with the attached errors. I haven’t find anything relevant on Internet so far. Any i…

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## [Save data to python array from Integrate Variables filter](https://discourse.paraview.org/t/save-data-to-python-array-from-integrate-variables-filter/534)

<div class="topic-metadata">

**Author:** [@nikichats](https://discourse.paraview.org/u/nikichats)\
**Replies:** 1\
**Last updated:** [November 7, 2022, 4:58pm UTC](https://discourse.paraview.org/t/save-data-to-python-array-from-integrate-variables-filter/534 "2022-11-07T16:58:22Z")

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Hi all! I’m trying to create a synthetic streak tool that will use scalar outputs ‘A’ and ‘B’ from simulation data to get an integrated value over the quantity ‘C’. I do this by first creating a calculator to multiply t…

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## [Create python reader for a custom format](https://discourse.paraview.org/t/create-python-reader-for-a-custom-format/10066)

<div class="topic-metadata">

**Author:** [@Juan\_Jose\_Casafranca](https://discourse.paraview.org/u/Juan_Jose_Casafranca)\
**Replies:** 3\
**Last updated:** [July 29, 2022, 4:29pm UTC](https://discourse.paraview.org/t/create-python-reader-for-a-custom-format/10066 "2022-07-29T16:29:36Z")

</div>

I am storing data from a simulation engine in a HDF5 file. In the file I have the positions and velocities of some triangular meshes for each simulated timestep and also the transformation (location and rotation) of some…

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