# Top

**URL:** https://discourse.paraview.org/top.md?page=104&period=all

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

**Page:** 105

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## [Real-time population of dense volumetric data](https://discourse.paraview.org/t/real-time-population-of-dense-volumetric-data/3843)

<div class="topic-metadata">

**Author:** [@rkitchen](https://discourse.paraview.org/u/rkitchen)\
**Replies:** 2\
**Last updated:** [April 8, 2020, 4:32pm UTC](https://discourse.paraview.org/t/real-time-population-of-dense-volumetric-data/3843 "2020-04-08T16:32:06Z")

</div>

Hi, I’m developing an in-situ monitoring system for an additive manufacturing process. I currently do volumetric visualization of the builds after they are completed by exporting my data in RAW format and importing it i…

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## [This program is not starting on my computer.](https://discourse.paraview.org/t/this-program-is-not-starting-on-my-computer/3960)

<div class="topic-metadata">

**Author:** [@A\_Alper\_AKIS](https://discourse.paraview.org/u/A_Alper_AKIS)\
**Replies:** 2\
**Last updated:** [April 6, 2020, 7:11am UTC](https://discourse.paraview.org/t/this-program-is-not-starting-on-my-computer/3960 "2020-04-06T07:11:57Z")

</div>

Hello, When I click the icon, the program does not open and just coming up empty screen then close it. Best Regards, Alper

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## [Complete source code for offline build?](https://discourse.paraview.org/t/complete-source-code-for-offline-build/3641)

<div class="topic-metadata">

**Author:** [@cesss](https://discourse.paraview.org/u/cesss)\
**Replies:** 2\
**Last updated:** [February 24, 2020, 2:41am UTC](https://discourse.paraview.org/t/complete-source-code-for-offline-build/3641 "2020-02-24T02:41:53Z")

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I’m building ParaView (not with superbuild, but installing dependencies first on my own), and, even then, I noticed that when I build ParaView, it’s still downloading lots of stuff, even I built the dependencies that the…

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## [calculation of certain parameters using PV filter for all the snapshots(dump file)](https://discourse.paraview.org/t/calculation-of-certain-parameters-using-pv-filter-for-all-the-snapshots-dump-file/7540)

<div class="topic-metadata">

**Author:** [@deepakpawar2310](https://discourse.paraview.org/u/deepakpawar2310)\
**Replies:** 4\
**Last updated:** [July 6, 2021, 5:05pm UTC](https://discourse.paraview.org/t/calculation-of-certain-parameters-using-pv-filter-for-all-the-snapshots-dump-file/7540 "2021-07-06T17:05:19Z")

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(1) I need to calculate specific parameters using the PV filter (external ) to a particular snapshot (dump file), (2) store that variable, and (3) use the same filter for subsequent snapshots (for example, I have 400 …

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## [Thermal comfort, PPD and PMV index in paraview](https://discourse.paraview.org/t/thermal-comfort-ppd-and-pmv-index-in-paraview/7200)

<div class="topic-metadata">

**Author:** [@Andrea](https://discourse.paraview.org/u/Andrea)\
**Replies:** 4\
**Last updated:** [May 11, 2021, 7:46am UTC](https://discourse.paraview.org/t/thermal-comfort-ppd-and-pmv-index-in-paraview/7200 "2021-05-11T07:46:44Z")

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Hi, If i have a temperature and a velocity field, it is possible to calculate the PPD and PMV index? I searched in filters but I did not find a dedicated filter to thermal comfort. Is there a plugin or extension that I …

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## [Displaying only first tier of child blocks in ExtractBlock-like filter plugin](https://discourse.paraview.org/t/displaying-only-first-tier-of-child-blocks-in-extractblock-like-filter-plugin/7844)

<div class="topic-metadata">

**Author:** [@csniker](https://discourse.paraview.org/u/csniker)\
**Replies:** 2\
**Last updated:** [January 4, 2022, 2:00pm UTC](https://discourse.paraview.org/t/displaying-only-first-tier-of-child-blocks-in-extractblock-like-filter-plugin/7844 "2022-01-04T14:00:44Z")

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I am trying to create filter via the VTKPythonAlgorithmBase class, and I want this filter to essentially be like the existing ExtractBlock filter, but only display the first level of child blocks in the multiblock data s…

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## [\[solved\] alternative to vtkBitArray](https://discourse.paraview.org/t/solved-alternative-to-vtkbitarray/3794)

<div class="topic-metadata">

**Author:** [@yohanlty\_total](https://discourse.paraview.org/u/yohanlty_total)\
**Replies:** 2\
**Last updated:** [March 12, 2020, 9:45am UTC](https://discourse.paraview.org/t/solved-alternative-to-vtkbitarray/3794 "2020-03-12T09:45:35Z")

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Dear experts, I am writting a plugin and I want to put inside a vtkUnstructuredGrid a boolean array. I have chosen the vtkBitArray to store this boolean array and I works as expected with the default Render View Layout…

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## [FEM Mesh Filter - Quality Check](https://discourse.paraview.org/t/fem-mesh-filter-quality-check/3401)

<div class="topic-metadata">

**Author:** [@newb](https://discourse.paraview.org/u/newb)\
**Replies:** 3\
**Last updated:** [January 27, 2020, 9:32am UTC](https://discourse.paraview.org/t/fem-mesh-filter-quality-check/3401 "2020-01-27T09:32:11Z")

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Hey guys! Quick question, what filter do you use in PV in order to have a look at the quality of tet elements, would love to learn more about that! Cheers and have a nice weekend! Jousef

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## [maximum edge length of cell](https://discourse.paraview.org/t/maximum-edge-length-of-cell/11700)

<div class="topic-metadata">

**Author:** [@Captain\_Convergence](https://discourse.paraview.org/u/Captain_Convergence)\
**Replies:** 1\
**Last updated:** [March 24, 2023, 2:51pm UTC](https://discourse.paraview.org/t/maximum-edge-length-of-cell/11700 "2023-03-24T14:51:23Z")

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Dear all, I need to obtain the maximum edge length for each one of my cells. My data is a multiblock dataset in .plt format (from Tecplot). I tried with the “Cell size”, “Mesh Quality” and “Extract Edges” that I can us…

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## [Visualizing results in slice, not smooth enough.](https://discourse.paraview.org/t/visualizing-results-in-slice-not-smooth-enough/14574)

<div class="topic-metadata">

**Author:** [@Edgar\_Barba\_Canedo](https://discourse.paraview.org/u/Edgar_Barba_Canedo)\
**Replies:** 5\
**Last updated:** [May 21, 2024, 8:59am UTC](https://discourse.paraview.org/t/visualizing-results-in-slice-not-smooth-enough/14574 "2024-05-21T08:59:04Z")

</div>

Hello, I’m trying to visualize the velocity field on a slice I created from a 3D CFD steady simulation. The problem is that the results, although appear pretty good, there are points where you can clearly see the transit…

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## [Allowing Macro Interactivity with tkinter](https://discourse.paraview.org/t/allowing-macro-interactivity-with-tkinter/5941)

<div class="topic-metadata">

**Author:** [@Euan\_de\_Kock](https://discourse.paraview.org/u/Euan_de_Kock)\
**Replies:** 1\
**Last updated:** [December 1, 2020, 9:11am UTC](https://discourse.paraview.org/t/allowing-macro-interactivity-with-tkinter/5941 "2020-12-01T09:11:58Z")

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Hi, I am asking this again, because I cannot find a reasonable explanation of why this isn’t supported. I have a need to get some input from a user as part of my macro script. I will then make a call to a web server’s …

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## [python calculator using python variable](https://discourse.paraview.org/t/python-calculator-using-python-variable/3018)

<div class="topic-metadata">

**Author:** [@nopech](https://discourse.paraview.org/u/nopech)\
**Replies:** 1\
**Last updated:** [November 21, 2019, 2:44pm UTC](https://discourse.paraview.org/t/python-calculator-using-python-variable/3018 "2019-11-21T14:44:50Z")

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Hello everyone I just spent more than one hour trying to figure out something that seemed so simple to me: I’m using the python calculator in a python script to multiply multiple PointData. This looks something like th…

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## [fetch fielddata to client](https://discourse.paraview.org/t/fetch-fielddata-to-client/2056)

<div class="topic-metadata">

**Author:** [@Felipe\_Bordeu](https://discourse.paraview.org/u/Felipe_Bordeu)\
**Replies:** 1\
**Last updated:** [June 17, 2019, 9:17am UTC](https://discourse.paraview.org/t/fetch-fielddata-to-client/2056 "2019-06-17T09:17:02Z")

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Hi, I have a customization of ParaView (using a c++ Plugin). I update some client info (GUI) depending on witch data is been displayed in the views. To do this I need to fetch some data from the server side, (the FieldDa…

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## [OpenGL Demo1 and Demo2 Giving Errors on Mac](https://discourse.paraview.org/t/opengl-demo1-and-demo2-giving-errors-on-mac/11791)

<div class="topic-metadata">

**Author:** [@Muhammad\_Saad\_Atique](https://discourse.paraview.org/u/Muhammad_Saad_Atique)\
**Replies:** 4\
**Last updated:** [April 11, 2023, 3:56am UTC](https://discourse.paraview.org/t/opengl-demo1-and-demo2-giving-errors-on-mac/11791 "2023-04-11T03:56:47Z")

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I can build Demo0, Clone1 and Clone2. But when building Demo1 and Demo2 I get these errors: ( 2.505s) \[paraview \] vtkShaderProgram.cxx:439 ERR| vtkShaderProgram (0x7fb8b448c4d0): ERROR: 0:1: '' : version…

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## [Exporting Data from Descriptive Statistics](https://discourse.paraview.org/t/exporting-data-from-descriptive-statistics/10811)

<div class="topic-metadata">

**Author:** [@jgd2203](https://discourse.paraview.org/u/jgd2203)\
**Replies:** 4\
**Last updated:** [November 29, 2022, 4:15pm UTC](https://discourse.paraview.org/t/exporting-data-from-descriptive-statistics/10811 "2022-11-29T16:15:31Z")

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I have used the tracing function to create a script to extract some statistics (using descriptive statistics filter) based on the surfaces of my mesh. When I play back in Windows it seems to work fine. Basic Steps: (1)…

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## [Help on Performance Analysis for Paraview](https://discourse.paraview.org/t/help-on-performance-analysis-for-paraview/3249)

<div class="topic-metadata">

**Author:** [@sharon](https://discourse.paraview.org/u/sharon)\
**Replies:** 2\
**Last updated:** [January 7, 2020, 4:10am UTC](https://discourse.paraview.org/t/help-on-performance-analysis-for-paraview/3249 "2020-01-07T04:10:29Z")

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Dear Experts, Could you please give me some suggestions on performance analysis for paraview?, especially on reader, mesh and render parts. I know from paraview’s menu “Tools”-\> “Time Log”, i can get some information a…

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## [Crystal Eyes stereo on Windows](https://discourse.paraview.org/t/crystal-eyes-stereo-on-windows/12844)

<div class="topic-metadata">

**Author:** [@woodscn](https://discourse.paraview.org/u/woodscn)\
**Replies:** 5\
**Last updated:** [September 21, 2023, 8:47am UTC](https://discourse.paraview.org/t/crystal-eyes-stereo-on-windows/12844 "2023-09-21T08:47:22Z")

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Running Paraview 5.11.1 using MS-MPI. I launch four pvserver jobs using our .pvx file, the --stereo flag, and --stereo-type=“Crystal Eyes”. When I try to connect to these using a client, I get the following error. All fo…

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## [How to calculate displacement of global data](https://discourse.paraview.org/t/how-to-calculate-displacement-of-global-data/2559)

<div class="topic-metadata">

**Author:** [@wascott](https://discourse.paraview.org/u/wascott)\
**Replies:** 1\
**Last updated:** [September 16, 2019, 2:34am UTC](https://discourse.paraview.org/t/how-to-calculate-displacement-of-global-data/2559 "2019-09-16T02:34:15Z")

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From a user: I have a global history of a displacement at a location in a model. I want to plot the difference between the displacement at this point and the displacement at a reference point. How do I do this? Thank…

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## [How to calculate shape operator in ParaView?](https://discourse.paraview.org/t/how-to-calculate-shape-operator-in-paraview/2153)

<div class="topic-metadata">

**Author:** [@hank-huang](https://discourse.paraview.org/u/hank-huang)\
**Replies:** 1\
**Last updated:** [July 3, 2019, 3:24pm UTC](https://discourse.paraview.org/t/how-to-calculate-shape-operator-in-paraview/2153 "2019-07-03T15:24:56Z")

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tl;dr—how do I calculate a shape operator in paraview? I’ve been trying to get curvature calculations (mean, gaussian, max, min) from BrainWorks (some in house software we use) to line up with ParaView curvature calcula…

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## [Capture rendered images of CAVE mode created Win32OpenGL windows](https://discourse.paraview.org/t/capture-rendered-images-of-cave-mode-created-win32opengl-windows/2013)

<div class="topic-metadata">

**Author:** [@leopessanha](https://discourse.paraview.org/u/leopessanha)\
**Replies:** 1\
**Last updated:** [June 10, 2019, 2:16pm UTC](https://discourse.paraview.org/t/capture-rendered-images-of-cave-mode-created-win32opengl-windows/2013 "2019-06-10T14:16:58Z")

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Hi! Is it possible to capture trough ParaView the rendered image of the Win32OpenGL(highlighted in the image below) windows created when using a .PVX file? Their buffers do not come together when capturing the buffer…

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## [Efficiency in dynamic flow visualization](https://discourse.paraview.org/t/efficiency-in-dynamic-flow-visualization/1744)

<div class="topic-metadata">

**Author:** [@Toorall](https://discourse.paraview.org/u/Toorall)\
**Replies:** 1\
**Last updated:** [May 1, 2019, 4:06pm UTC](https://discourse.paraview.org/t/efficiency-in-dynamic-flow-visualization/1744 "2019-05-01T16:06:38Z")

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Hello everyone, My goal is to visualize a dynamic flow simulation of a petroleum reservoir, to do that I use unstructured vtk grid format (.vtu) and to see the change in dynamic properties over time I use (.pvd). So I c…

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## [Convert model data (netcdf) to vtk in Python](https://discourse.paraview.org/t/convert-model-data-netcdf-to-vtk-in-python/10813)

<div class="topic-metadata">

**Author:** [@\_Marco](https://discourse.paraview.org/u/_Marco)\
**Replies:** 0\
**Last updated:** [November 19, 2022, 10:29pm UTC](https://discourse.paraview.org/t/convert-model-data-netcdf-to-vtk-in-python/10813 "2022-11-19T22:29:40Z")

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Hi there. I am trying to convert my model data from netCDF to vtk, as the native format needs some post processing to be visualized correctly, namely the vertical topology needs to be manipulated. I had already achieved…

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## [No module named 'paraview' error in Visual studio code](https://discourse.paraview.org/t/no-module-named-paraview-error-in-visual-studio-code/14955)

<div class="topic-metadata">

**Author:** [@mdev](https://discourse.paraview.org/u/mdev)\
**Replies:** 4\
**Last updated:** [November 7, 2024, 7:12pm UTC](https://discourse.paraview.org/t/no-module-named-paraview-error-in-visual-studio-code/14955 "2024-11-07T19:12:48Z")

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Hello, I am trying to make a python project in VS code which uses functions in pvpython. I have tried the following code, but it still gives an error ‘No module named ‘paraview’’. ================= sys.path.append('C…

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## [SSH authentication on Windows](https://discourse.paraview.org/t/ssh-authentication-on-windows/12896)

<div class="topic-metadata">

**Author:** [@woodscn](https://discourse.paraview.org/u/woodscn)\
**Replies:** 4\
**Last updated:** [September 22, 2023, 4:16am UTC](https://discourse.paraview.org/t/ssh-authentication-on-windows/12896 "2023-09-22T04:16:07Z")

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I am trying to set up client-server connections from Windows to an HPC system. The hpc uses an interactive prompt for authentication. According to the docs ( 7. Remote and parallel visualization — ParaView Documentation …

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## [VTK files appear as series in file loader, but are separated when loeaded in.](https://discourse.paraview.org/t/vtk-files-appear-as-series-in-file-loader-but-are-separated-when-loeaded-in/12196)

<div class="topic-metadata">

**Author:** [@bloop](https://discourse.paraview.org/u/bloop)\
**Replies:** 4\
**Last updated:** [May 31, 2023, 2:32pm UTC](https://discourse.paraview.org/t/vtk-files-appear-as-series-in-file-loader-but-are-separated-when-loeaded-in/12196 "2023-05-31T14:32:17Z")

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So I’m running a simulation using LIGGGHTS which outputs the solution as VTK files. When I open the file loader in Paraview 5.11.1, the files appear as a series, but when loaded in, they seem separated. I think this is t…

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## [Nightly number ordering](https://discourse.paraview.org/t/nightly-number-ordering/3325)

<div class="topic-metadata">

**Author:** [@mwestphal](https://discourse.paraview.org/u/mwestphal)\
**Replies:** 1\
**Last updated:** [January 13, 2020, 3:32pm UTC](https://discourse.paraview.org/t/nightly-number-ordering/3325 "2020-01-13T15:32:01Z")

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The nightlies ordering has the classic typographic ordering issue : @cory.quammen

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## [Create a time serie from multiple netCDF files](https://discourse.paraview.org/t/create-a-time-serie-from-multiple-netcdf-files/13570)

<div class="topic-metadata">

**Author:** [@PBrockmann](https://discourse.paraview.org/u/PBrockmann)\
**Replies:** 0\
**Last updated:** [December 19, 2023, 11:57pm UTC](https://discourse.paraview.org/t/create-a-time-serie-from-multiple-netcdf-files/13570 "2023-12-19T23:57:20Z")

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Is there a way to load multiple netCDF files when you use the NetCDF Reader ? The time axis can be considered as a common time axis ? Files store CO2 concentrations every 3 hours during 1 month. Here are the netCDF he…

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## [Wrong with visualization](https://discourse.paraview.org/t/wrong-with-visualization/12576)

<div class="topic-metadata">

**Author:** [@fchu](https://discourse.paraview.org/u/fchu)\
**Replies:** 7\
**Last updated:** [July 27, 2023, 4:47am UTC](https://discourse.paraview.org/t/wrong-with-visualization/12576 "2023-07-27T04:47:17Z")

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Dear all, The simulation is completed by OpenFOAM. And, when I tried to visualize it, which is wrong with something. But I don’t know how to fix it Could you help me?

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## [Time steps](https://discourse.paraview.org/t/time-steps/2290)

<div class="topic-metadata">

**Author:** [@Shaurya\_Doger](https://discourse.paraview.org/u/Shaurya_Doger)\
**Replies:** 1\
**Last updated:** [July 24, 2019, 8:11pm UTC](https://discourse.paraview.org/t/time-steps/2290 "2019-07-24T20:11:33Z")

</div>

I am currently trying to do some time steps animation with my data, as there are 7 block numbers with this. Is there any specific type of data format that is necessary for the time steps to occur, where velocity colors c…

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## [Vector Graphics Export Status/Meantime](https://discourse.paraview.org/t/vector-graphics-export-status-meantime/1518)

<div class="topic-metadata">

**Author:** [@dld](https://discourse.paraview.org/u/dld)\
**Replies:** 2\
**Last updated:** [March 26, 2019, 5:07pm UTC](https://discourse.paraview.org/t/vector-graphics-export-status-meantime/1518 "2019-03-26T17:07:21Z")

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Hi there! Brand new (~2 days) ParaView user here, super impressed so far, amazing to have something so powerful and slick yet also open source. I know this has been discussed once or twice on here before, but on the open…

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## [How to replace XML specification with python decorators?](https://discourse.paraview.org/t/how-to-replace-xml-specification-with-python-decorators/2664)

<div class="topic-metadata">

**Author:** [@Loic](https://discourse.paraview.org/u/Loic)\
**Replies:** 1\
**Last updated:** [October 2, 2019, 2:39am UTC](https://discourse.paraview.org/t/how-to-replace-xml-specification-with-python-decorators/2664 "2019-10-02T02:39:14Z")

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Hi, I would like to replace an old vtkPythonProgrammableFilter with a subclass of VTKPythonAlgorithmBase. There was an XML specification file to expose that filter in ParaView and I would like to use some decorators to…

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## [Cell Data and Point Data integration process](https://discourse.paraview.org/t/cell-data-and-point-data-integration-process/8945)

<div class="topic-metadata">

**Author:** [@Gianmarco](https://discourse.paraview.org/u/Gianmarco)\
**Replies:** 0\
**Last updated:** [February 9, 2022, 11:19pm UTC](https://discourse.paraview.org/t/cell-data-and-point-data-integration-process/8945 "2022-02-09T23:19:01Z")

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Hello all, I’m struggling with Cell Data and Point Data. I made a python script to compute mass-weighted average of some varaibles over a given set of slices. It works great with an input solution with cell data, but gi…

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## [Spritesheet Export in Paraview](https://discourse.paraview.org/t/spritesheet-export-in-paraview/5490)

<div class="topic-metadata">

**Author:** [@ffreality](https://discourse.paraview.org/u/ffreality)\
**Replies:** 0\
**Last updated:** [October 4, 2020, 9:05pm UTC](https://discourse.paraview.org/t/spritesheet-export-in-paraview/5490 "2020-10-04T21:05:10Z")

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I am an Unreal Engine 4 developer and I would like to create an collaborative simulation app which has scientific visualization feature. Right now I can use GLTF system but non-surfaced elements for example volumes does…

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## [Proxy property not generating in client server wrapper source](https://discourse.paraview.org/t/proxy-property-not-generating-in-client-server-wrapper-source/4799)

<div class="topic-metadata">

**Author:** [@HollowSun0](https://discourse.paraview.org/u/HollowSun0)\
**Replies:** 3\
**Last updated:** [July 10, 2020, 1:30pm UTC](https://discourse.paraview.org/t/proxy-property-not-generating-in-client-server-wrapper-source/4799 "2020-07-10T13:30:44Z")

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Hi there! I made a filter called MainProxy.cxx with the following xml: \<ProxyProperty name="ProxyExample" command="SetProxyExample" label="Proxy Example"\> \<ProxyListDomain name="proxy…

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## [How to rescale glyph within pvpython](https://discourse.paraview.org/t/how-to-rescale-glyph-within-pvpython/9078)

<div class="topic-metadata">

**Author:** [@M8kmyday](https://discourse.paraview.org/u/M8kmyday)\
**Replies:** 2\
**Last updated:** [March 8, 2023, 11:55pm UTC](https://discourse.paraview.org/t/how-to-rescale-glyph-within-pvpython/9078 "2023-03-08T23:55:42Z")

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When using pvpython, the glyph plots I generate are being improperly scaled. The plots always come in with a scale factor of 0.00025. To get the correct scale, the rescale button must be manually clicked in the GUI aft…

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## [How to retrieve input proxy properties in a programmable filter ?](https://discourse.paraview.org/t/how-to-retrieve-input-proxy-properties-in-a-programmable-filter/5993)

<div class="topic-metadata">

**Author:** [@Mohamed\_Abdelkhalek](https://discourse.paraview.org/u/Mohamed_Abdelkhalek)\
**Replies:** 2\
**Last updated:** [December 7, 2020, 8:34pm UTC](https://discourse.paraview.org/t/how-to-retrieve-input-proxy-properties-in-a-programmable-filter/5993 "2020-12-07T20:34:16Z")

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For example if I have a clip filter with type box, that I use to crop an image volume (unstructured grid). If I use this clip filter as an input to a programmable filter, I only get the underlying vtk object, which is …

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## [endUndoSet called without a beginUndoSet related to ContextView](https://discourse.paraview.org/t/endundoset-called-without-a-beginundoset-related-to-contextview/2235)

<div class="topic-metadata">

**Author:** [@mwestphal](https://discourse.paraview.org/u/mwestphal)\
**Replies:** 2\
**Last updated:** [July 23, 2019, 11:34am UTC](https://discourse.paraview.org/t/endundoset-called-without-a-beginundoset-related-to-contextview/2235 "2019-07-23T11:34:48Z")

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Anyone got a reliable way to reproduce this annoying warning when playing with ContextView in general ? It seems to show at random making it hard to track down.

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## [Smooth vtkimagedata (structured data) in paraview?](https://discourse.paraview.org/t/smooth-vtkimagedata-structured-data-in-paraview/14017)

<div class="topic-metadata">

**Author:** [@tigerhu](https://discourse.paraview.org/u/tigerhu)\
**Replies:** 5\
**Last updated:** [February 28, 2024, 8:50am UTC](https://discourse.paraview.org/t/smooth-vtkimagedata-structured-data-in-paraview/14017 "2024-02-28T08:50:56Z")

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Hi there, I would like to know if there is any smooth filters that could work on structured data (e.g. vtkimagedata) in paraview? I found “smooth” filter, but it only works for polygonal data (e.g. vtkpolydata). There …

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## [Is there any memory leak possibility due to some strange reference counts of VTK objects?](https://discourse.paraview.org/t/is-there-any-memory-leak-possibility-due-to-some-strange-reference-counts-of-vtk-objects/516)

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**Author:** [@hsalimi](https://discourse.paraview.org/u/hsalimi)\
**Replies:** 1\
**Last updated:** [September 10, 2018, 1:27pm UTC](https://discourse.paraview.org/t/is-there-any-memory-leak-possibility-due-to-some-strange-reference-counts-of-vtk-objects/516 "2018-09-10T13:27:24Z")

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Hi Everyone, I have written a ParaView catalyst adaptor for my simulation. It is based on a vtkMultiBlockDataSet grid that is distributed over a set of processes. Here, is a partial code snippet of CoProcess() function …

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## [Odd line in Viridis colormap when "Discretize" is off](https://discourse.paraview.org/t/odd-line-in-viridis-colormap-when-discretize-is-off/9029)

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**Author:** [@GregVernon](https://discourse.paraview.org/u/GregVernon)\
**Replies:** 1\
**Last updated:** [February 22, 2022, 3:08am UTC](https://discourse.paraview.org/t/odd-line-in-viridis-colormap-when-discretize-is-off/9029 "2022-02-22T03:08:04Z")

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I’ve noticed that if you use the viridis colormap with the Discretize option unselected, that a random pink-ish line shows up in the colormap. See images below, coloring the z-normals on a sphere source. I’ve checked s…

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## [Poor performance in Immersive Paraview?](https://discourse.paraview.org/t/poor-performance-in-immersive-paraview/744)

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**Author:** [@alex-ong](https://discourse.paraview.org/u/alex-ong)\
**Replies:** 1\
**Last updated:** [October 29, 2018, 3:10pm UTC](https://discourse.paraview.org/t/poor-performance-in-immersive-paraview/744 "2018-10-29T15:10:17Z")

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I’m running a cluster of 7 computers - one master and 6 “renderers”. Running paraview on the master, connecting via MS-MPI to the renderers It is running on Windows 7, with GTX1060’s. Each renderer has a mosaic’ed displ…

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## [Colorbar: indicate the out-of-bounds values with triangular arrows](https://discourse.paraview.org/t/colorbar-indicate-the-out-of-bounds-values-with-triangular-arrows/12235)

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**Author:** [@fabian-kutschera](https://discourse.paraview.org/u/fabian-kutschera)\
**Replies:** 2\
**Last updated:** [June 5, 2023, 2:02pm UTC](https://discourse.paraview.org/t/colorbar-indicate-the-out-of-bounds-values-with-triangular-arrows/12235 "2023-06-05T14:02:59Z")

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Hi all, is there a way in ParaView to indicate the out-of-bounds values with a triangular arrow at the top and bottom of the colorbar after rescaling to a custom data range? I am looking for something similar to the ex…

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## [How to load metallicRoughnessTexture](https://discourse.paraview.org/t/how-to-load-metallicroughnesstexture/10108)

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**Author:** [@HenryYang](https://discourse.paraview.org/u/HenryYang)\
**Replies:** 2\
**Last updated:** [August 8, 2022, 9:05am UTC](https://discourse.paraview.org/t/how-to-load-metallicroughnesstexture/10108 "2022-08-08T09:05:06Z")

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Some gltf models contain metallic roughness textures to perform the metallic material. How can I add the metallic roughness texture for a gltf model in paraview?

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## [Calculate Streamline Density](https://discourse.paraview.org/t/calculate-streamline-density/7997)

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**Author:** [@woodscn](https://discourse.paraview.org/u/woodscn)\
**Replies:** 2\
**Last updated:** [September 15, 2021, 4:31pm UTC](https://discourse.paraview.org/t/calculate-streamline-density/7997 "2021-09-15T16:31:24Z")

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As you can see in the picture, the streamlines are squeezed together in the region of the bubbles. I’m interested in displaying the degree to which they are squeezed; something like a streamline density? Does anyone have…

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## [How can I map distances between joint areas in contact using ParaView 5.9.0 ?](https://discourse.paraview.org/t/how-can-i-map-distances-between-joint-areas-in-contact-using-paraview-5-9-0/6559)

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**Author:** [@Pppp](https://discourse.paraview.org/u/Pppp)\
**Replies:** 2\
**Last updated:** [February 26, 2021, 1:52pm UTC](https://discourse.paraview.org/t/how-can-i-map-distances-between-joint-areas-in-contact-using-paraview-5-9-0/6559 "2021-02-26T13:52:33Z")

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How can I map distances between joint areas in contact using ParaView 5.9.0 ?

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## [plotoverLine with point data](https://discourse.paraview.org/t/plotoverline-with-point-data/11552)

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**Author:** [@adwien](https://discourse.paraview.org/u/adwien)\
**Replies:** 4\
**Last updated:** [March 2, 2023, 5:02pm UTC](https://discourse.paraview.org/t/plotoverline-with-point-data/11552 "2023-03-02T17:02:46Z")

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Hey Paraviewers community, I’m using Paraview 5.11 but I’m not able to use “plotoverline” filter on point data. I’m able to aply the “plotoverline” filter on cell data without any problems, but when I use the “celldata…

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## [pvpython problems](https://discourse.paraview.org/t/pvpython-problems/957)

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**Author:** [@AlD](https://discourse.paraview.org/u/AlD)\
**Replies:** 1\
**Last updated:** [November 26, 2018, 3:40pm UTC](https://discourse.paraview.org/t/pvpython-problems/957 "2018-11-26T15:40:57Z")

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Hello, my goal is to save time by running paraview through pvpython rather than the gui. What I’m doing is loading a folder of data files and then using them to create an animation. (running linux mint) The initial ste…

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## [How to structure xdfm file to visualize arbitrary number of vector components in Paraview?](https://discourse.paraview.org/t/how-to-structure-xdfm-file-to-visualize-arbitrary-number-of-vector-components-in-paraview/13288)

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**Author:** [@Krzysztof\_Stopka](https://discourse.paraview.org/u/Krzysztof_Stopka)\
**Replies:** 2\
**Last updated:** [March 20, 2024, 8:14pm UTC](https://discourse.paraview.org/t/how-to-structure-xdfm-file-to-visualize-arbitrary-number-of-vector-components-in-paraview/13288 "2024-03-20T20:14:07Z")

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Hello, I am using simulation code that writes local micromechanical response variables to an .h5 file that I then visualize in ParaView using an xdmf file. Some of the response variables have three components (in the X,…

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## [Can vtk.vtkRectilinearGrid Objects be used directly ?](https://discourse.paraview.org/t/can-vtk-vtkrectilineargrid-objects-be-used-directly/7110)

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**Author:** [@Berberich](https://discourse.paraview.org/u/Berberich)\
**Replies:** 2\
**Last updated:** [April 30, 2021, 10:17am UTC](https://discourse.paraview.org/t/can-vtk-vtkrectilineargrid-objects-be-used-directly/7110 "2021-04-30T10:17:50Z")

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Hi all, I am new to paraview. In my python simulation program I want to use paraview to view temporary data. Now I now that I can generate a RectilinearGridDataset save it in XML format and then use: grid = simple.Op…

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## ["Official" Windows toolset - just to make sure](https://discourse.paraview.org/t/official-windows-toolset-just-to-make-sure/618)

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**Author:** [@cobo](https://discourse.paraview.org/u/cobo)\
**Replies:** 2\
**Last updated:** [September 23, 2018, 12:21pm UTC](https://discourse.paraview.org/t/official-windows-toolset-just-to-make-sure/618 "2018-09-23T12:21:28Z")

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In the current git repository, with latest “stable” PV version 5.5.2, I see that the following versions are recommended for Windows: MSVC 2015 (meaning: toolset 140) Qt whatever is supported with MSVC 2015 I am workin…

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