# Top

**URL:** https://discourse.paraview.org/top.md?page=5

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

**Page:** 6

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## [Improving speed for thresholding of list of values (custom selection+extractSelect)](https://discourse.paraview.org/t/improving-speed-for-thresholding-of-list-of-values-custom-selection-extractselect/17625)

<div class="topic-metadata">

**Author:** [@otaolafr](https://discourse.paraview.org/u/otaolafr)\
**Replies:** 3\
**Last updated:** [June 19, 2026, 5:49am UTC](https://discourse.paraview.org/t/improving-speed-for-thresholding-of-list-of-values-custom-selection-extractselect/17625 "2026-06-19T05:49:16Z")

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Hello, I need to extract cells with specific values of a specific field. For this I am using the following lines of code: SetActiveSource(filter) QuerySelect(QueryString=f'(isin({fieldName}, {listOfValues}))', FieldTyp…

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## [Handling overlapping node labels and dense graph visualization in ParaView/pvpython](https://discourse.paraview.org/t/handling-overlapping-node-labels-and-dense-graph-visualization-in-paraview-pvpython/17562)

<div class="topic-metadata">

**Author:** [@Sahith](https://discourse.paraview.org/u/Sahith)\
**Replies:** 2\
**Last updated:** [May 12, 2026, 11:07am UTC](https://discourse.paraview.org/t/handling-overlapping-node-labels-and-dense-graph-visualization-in-paraview-pvpython/17562 "2026-05-12T11:07:50Z")

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Hello, I am exploring graph/extremum graph visualization workflows in ParaView (5.13.3) and testing node labeling for dense topology visualizations. So far I tested: Find Data Extract Selection Point Labels / …

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## [Export data in .plt or .encas](https://discourse.paraview.org/t/export-data-in-plt-or-encas/17436)

<div class="topic-metadata">

**Author:** [@Captain\_Convergence](https://discourse.paraview.org/u/Captain_Convergence)\
**Replies:** 2\
**Last updated:** [February 10, 2026, 5:57pm UTC](https://discourse.paraview.org/t/export-data-in-plt-or-encas/17436 "2026-02-10T17:57:19Z")

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I wanted to know if it is possible to export data into .plt (TECPLOT) or .encas (ENSIGHT) format after I have manipulated it (i.e. computed new quantities in calculators, created slices, etc…). The reason for this is tha…

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## [Cell Data to Point Data question](https://discourse.paraview.org/t/cell-data-to-point-data-question/17722)

<div class="topic-metadata">

**Author:** [@Joao\_Pedro\_Perdigao](https://discourse.paraview.org/u/Joao_Pedro_Perdigao)\
**Replies:** 6\
**Last updated:** [September 18, 2026, 8:08am UTC](https://discourse.paraview.org/t/cell-data-to-point-data-question/17722 "2026-09-18T08:08:02Z")

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Hello, I’m applying a “Cell Data to Point Data” filter to my wind tunnel data and when checking the Ranges of the data arrays I realized that the ranges (maximum and minimum values) of the Point Data differ quite a bit …

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## [Custom Application Development Solutions](https://discourse.paraview.org/t/custom-application-development-solutions/17452)

<div class="topic-metadata">

**Author:** [@Tarang](https://discourse.paraview.org/u/Tarang)\
**Replies:** 1\
**Last updated:** [February 23, 2026, 12:40pm UTC](https://discourse.paraview.org/t/custom-application-development-solutions/17452 "2026-02-23T12:40:06Z")

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hi all, I am here looking for Custom Application Development Solutions for organization. I also searched this on many different website and found many solutions. We are bit confused to which one to choose. One of my fri…

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## [ParaView editing grid](https://discourse.paraview.org/t/paraview-editing-grid/17421)

<div class="topic-metadata">

**Author:** [@Vinicius](https://discourse.paraview.org/u/Vinicius)\
**Replies:** 1\
**Last updated:** [February 2, 2026, 12:37pm UTC](https://discourse.paraview.org/t/paraview-editing-grid/17421 "2026-02-02T12:37:12Z")

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Hi, I know this is a long shot, but I thought it was worth asking. I have a structured (curvilinear) grid vtk file in which each cell is assigned a property value: I also have the same grid with all property values …

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## [Visualization display error：There are strange lines appearing in the visualization](https://discourse.paraview.org/t/visualization-display-error-there-are-strange-lines-appearing-in-the-visualization/17503)

<div class="topic-metadata">

**Author:** [@lin1](https://discourse.paraview.org/u/lin1)\
**Replies:** 2\
**Last updated:** [April 2, 2026, 1:46pm UTC](https://discourse.paraview.org/t/visualization-display-error-there-are-strange-lines-appearing-in-the-visualization/17503 "2026-04-02T13:46:06Z")

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Hello. I am writing to ask for advice on a problem I have encountered while using ParaView, which has puzzled me for several days. I am trying to convert polylines into rectangular solids for display. However, some line…

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## [Create meshed surface from CFD results](https://discourse.paraview.org/t/create-meshed-surface-from-cfd-results/17442)

<div class="topic-metadata">

**Author:** [@markusandersson](https://discourse.paraview.org/u/markusandersson)\
**Replies:** 2\
**Last updated:** [February 16, 2026, 9:49am UTC](https://discourse.paraview.org/t/create-meshed-surface-from-cfd-results/17442 "2026-02-16T09:49:19Z")

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Hi All! I hace recently discovered paraview as a tool to handle huge CSV files. My work is to get the results from CFD Engineers and transfer them to 3DsMax to do nice renders. I now have a fluid in a pipe with informat…

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## [Opacity/transparency of surface based on color map](https://discourse.paraview.org/t/opacity-transparency-of-surface-based-on-color-map/17618)

<div class="topic-metadata">

**Author:** [@PetrKryslUCSD](https://discourse.paraview.org/u/PetrKryslUCSD)\
**Replies:** 1\
**Last updated:** [June 15, 2026, 6:18am UTC](https://discourse.paraview.org/t/opacity-transparency-of-surface-based-on-color-map/17618 "2026-06-15T06:18:47Z")

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This used to work: I would map scalars to colors, and then the transfer function could be used to change the transparency of the colors. I can’t get it to work anymore (of course, it is possible that I misremember how to…

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## [How to run a python macro with paraFoam?](https://discourse.paraview.org/t/how-to-run-a-python-macro-with-parafoam/17530)

<div class="topic-metadata">

**Author:** [@Faraz\_Hussain](https://discourse.paraview.org/u/Faraz_Hussain)\
**Replies:** 1\
**Last updated:** [April 21, 2026, 8:49pm UTC](https://discourse.paraview.org/t/how-to-run-a-python-macro-with-parafoam/17530 "2026-04-21T20:49:55Z")

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I created a simple macro to automate some post processing. It works if I launch paraFoam and click the button for it in the GUI. But I want to run this without having to “click the button”. Here’s what I tried along with…

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## [How to extract data form PlotDataOverTime filer with python/pvpython](https://discourse.paraview.org/t/how-to-extract-data-form-plotdataovertime-filer-with-python-pvpython/17456)

<div class="topic-metadata">

**Author:** [@DioCanada](https://discourse.paraview.org/u/DioCanada)\
**Replies:** 1\
**Last updated:** [March 2, 2026, 9:22am UTC](https://discourse.paraview.org/t/how-to-extract-data-form-plotdataovertime-filer-with-python-pvpython/17456 "2026-03-02T09:22:00Z")

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Hello all, I’m writing a pvpython script to evaluate the mean flow over a surface for every time step, and do some further calculation with the extracted data. As a first approach, i applied the integrate variables fil…

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## [Cannot create MR for CFSRead - identified as spam](https://discourse.paraview.org/t/cannot-create-mr-for-cfsread-identified-as-spam/17567)

<div class="topic-metadata">

**Author:** [@Fabian](https://discourse.paraview.org/u/Fabian)\
**Replies:** 3\
**Last updated:** [May 14, 2026, 7:30pm UTC](https://discourse.paraview.org/t/cannot-create-mr-for-cfsread-identified-as-spam/17567 "2026-05-14T19:30:25Z")

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Some years ago I submitted the CFSReader plugin, which got merged on ParaView. Thanks again for the help I got that time! The current CFSReader has a reload issue on Windows I try to fix with a patch. https://gitlab.ki…

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## [CGNS plugin support for ZonePointers / time-varying topology](https://discourse.paraview.org/t/cgns-plugin-support-for-zonepointers-time-varying-topology/17480)

<div class="topic-metadata">

**Author:** [@nitawa](https://discourse.paraview.org/u/nitawa)\
**Replies:** 1\
**Last updated:** [March 18, 2026, 8:47am UTC](https://discourse.paraview.org/t/cgns-plugin-support-for-zonepointers-time-varying-topology/17480 "2026-03-18T08:47:03Z")

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Dear ParaView experts and developers, We are trying to visualize a CGNS file that follows the CGNS SIDS standard for time-varying unstructured meshes with changing topology. The recommended CGNS SIDS approach for this …

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## [iparaview-kernel: paraview build from source or precompiled binaries?](https://discourse.paraview.org/t/iparaview-kernel-paraview-build-from-source-or-precompiled-binaries/17341)

<div class="topic-metadata">

**Author:** [@Turbinepilot](https://discourse.paraview.org/u/Turbinepilot)\
**Replies:** 1\
**Last updated:** [December 2, 2025, 9:00am UTC](https://discourse.paraview.org/t/iparaview-kernel-paraview-build-from-source-or-precompiled-binaries/17341 "2025-12-02T09:00:47Z")

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Hello all, I am attempting to setup iparaview-kernel for use on Windows. Does the iparaview-kernel (https://gitlab.kitware.com/paraview/plugins/iparaview-kernel) require paraview to be built from source or can I instal…

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## [2D colour map from .csv](https://discourse.paraview.org/t/2d-colour-map-from-csv/17395)

<div class="topic-metadata">

**Author:** [@Katie795](https://discourse.paraview.org/u/Katie795)\
**Replies:** 1\
**Last updated:** [January 13, 2026, 10:26pm UTC](https://discourse.paraview.org/t/2d-colour-map-from-csv/17395 "2026-01-13T22:26:35Z")

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Hi all, What I am trying to is hopefully (!) very very simple, but I am still struggling to find a solution. I am trying to plot a colour map from a csv file containing columns x, y, z. I would like to have a 2D plot co…

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## [programmable filter get common points and select cells in function of this points](https://discourse.paraview.org/t/programmable-filter-get-common-points-and-select-cells-in-function-of-this-points/17578)

<div class="topic-metadata">

**Author:** [@otaolafr](https://discourse.paraview.org/u/otaolafr)\
**Replies:** 2\
**Last updated:** [June 8, 2026, 6:17am UTC](https://discourse.paraview.org/t/programmable-filter-get-common-points-and-select-cells-in-function-of-this-points/17578 "2026-06-08T06:17:24Z")

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Hello, I have two sources that are overlapping that have common global ids (they are coming from a common source but divided), to better exemplify, here is a small example to achieve this: from paraview.simple import …

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## [vtkFileSeriesReader Multi-Output-Port Support](https://discourse.paraview.org/t/vtkfileseriesreader-multi-output-port-support/17394)

<div class="topic-metadata">

**Author:** [@Noerr](https://discourse.paraview.org/u/Noerr)\
**Replies:** 2\
**Last updated:** [January 13, 2026, 7:40pm UTC](https://discourse.paraview.org/t/vtkfileseriesreader-multi-output-port-support/17394 "2026-01-13T19:40:47Z")

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Allow vtkFileSeriesReader to support multi-output-port readers Summary We’ve successfully implemented file series support for a 3-output-port reader by subclassing vtkFileSeriesReader and overriding just the constructo…

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## [mpi question](https://discourse.paraview.org/t/mpi-question/17381)

<div class="topic-metadata">

**Author:** [@akoodlyr](https://discourse.paraview.org/u/akoodlyr)\
**Replies:** 0\
**Last updated:** [December 16, 2025, 12:30pm UTC](https://discourse.paraview.org/t/mpi-question/17381 "2025-12-16T12:30:21Z")

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Hi, I am having trouble with running pvbatch in parallel mode after installing v6.0.1-MPI version. I have the Microsoft MPI installed on my machine and I have re-installed Paraview 6.0.1 with MPI support. I am trying t…

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## [Extracting Wall nomal profiles from Cone simulation](https://discourse.paraview.org/t/extracting-wall-nomal-profiles-from-cone-simulation/17467)

<div class="topic-metadata">

**Author:** [@Sulav\_Kafle](https://discourse.paraview.org/u/Sulav_Kafle)\
**Replies:** 3\
**Last updated:** [March 12, 2026, 9:27am UTC](https://discourse.paraview.org/t/extracting-wall-nomal-profiles-from-cone-simulation/17467 "2026-03-12T09:27:46Z")

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Hi, I want to extract wall normal profiles of my cone simulation. i donot want to plot along perpendicular y to surface but along the wall normal. How can i do that ?

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## [Arrow source with chosen start and end points](https://discourse.paraview.org/t/arrow-source-with-chosen-start-and-end-points/17393)

<div class="topic-metadata">

**Author:** [@jduriez](https://discourse.paraview.org/u/jduriez)\
**Replies:** 1\
**Last updated:** [January 13, 2026, 12:34pm UTC](https://discourse.paraview.org/t/arrow-source-with-chosen-start-and-end-points/17393 "2026-01-13T12:34:45Z")

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Hello, inserting an Arrow source, e.g., starting with paraview.simple.Arrow() in Python, seems to always give a unit-length arrow pointing along the X-axis, and starting from the origin. I would like to have full contro…

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## [Inaccurate tick marks in legend](https://discourse.paraview.org/t/inaccurate-tick-marks-in-legend/17573)

<div class="topic-metadata">

**Author:** [@fvg](https://discourse.paraview.org/u/fvg)\
**Replies:** 1\
**Last updated:** [May 20, 2026, 10:32am UTC](https://discourse.paraview.org/t/inaccurate-tick-marks-in-legend/17573 "2026-05-20T10:32:29Z")

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I set the jumps between colors to exact values, e.g. 7,5. However, the color bar puts the tick mark slightly off (esp. at 7,5). See image. Enabling discretize to e.g. 1000 fixes this partly. This seems like a bug, corr…

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## [ParaView Office Hours March 5, 2026](https://discourse.paraview.org/t/paraview-office-hours-march-5-2026/17457)

<div class="topic-metadata">

**Author:** [@Bob\_Obara](https://discourse.paraview.org/u/Bob_Obara)\
**Replies:** 1\
**Last updated:** [March 5, 2026, 8:55pm UTC](https://discourse.paraview.org/t/paraview-office-hours-march-5-2026/17457 "2026-03-05T20:55:11Z")

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Have a question about how to use ParaView? Ask ParaView experts at this week’s office hours! Time: Thursday, March 5 · 3:30 – 5:00pm Time zone: America/New\_York Google Meet joining info Video call link: https://meet.g…

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## [lvsb cmake -DENABLE\_openxrsdk:BOOL=ON option error + plugin manager menu option](https://discourse.paraview.org/t/lvsb-cmake-denable-openxrsdk-bool-on-option-error-plugin-manager-menu-option/17472)

<div class="topic-metadata">

**Author:** [@simonmssu](https://discourse.paraview.org/u/simonmssu)\
**Replies:** 2\
**Last updated:** [March 13, 2026, 5:11pm UTC](https://discourse.paraview.org/t/lvsb-cmake-denable-openxrsdk-bool-on-option-error-plugin-manager-menu-option/17472 "2026-03-13T17:11:45Z")

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Hello, we would like to run LidarView with ParaView’s XR Interface Plugin to see our point cloud data on a Head Mounted Display. However, my cmake options below cmake ..\\lvsb -GNinja -DCMAKE\_BUILD\_TYPE=Release -DENABL…

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## [Check for data loaded prior to attemting render](https://discourse.paraview.org/t/check-for-data-loaded-prior-to-attemting-render/17451)

<div class="topic-metadata">

**Author:** [@kimf](https://discourse.paraview.org/u/kimf)\
**Replies:** 2\
**Last updated:** [February 23, 2026, 8:57am UTC](https://discourse.paraview.org/t/check-for-data-loaded-prior-to-attemting-render/17451 "2026-02-23T08:57:48Z")

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When working in UTM coordinates (X - 6 digits, Y - 7 digits) with the axes turned on + display grid, selecting a slice, clip or other daughter from an object in an existing state can cause PV to hang or at least become u…

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## [Animation of steady files](https://discourse.paraview.org/t/animation-of-steady-files/17409)

<div class="topic-metadata">

**Author:** [@ompe2026](https://discourse.paraview.org/u/ompe2026)\
**Replies:** 1\
**Last updated:** [January 28, 2026, 8:46am UTC](https://discourse.paraview.org/t/animation-of-steady-files/17409 "2026-01-28T08:46:56Z")

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Hello, I’am using paraview 5.13 and I want to do an animation of steady files. I got file0.cgns, file1.cgns, file2.cgns and so on. I would like to to a video which shows how mesh and Mach number vary. I tried with time …

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## [How to find the view in which a source is rendered, and vice versa](https://discourse.paraview.org/t/how-to-find-the-view-in-which-a-source-is-rendered-and-vice-versa/17642)

<div class="topic-metadata">

**Author:** [@CsatiZoltan](https://discourse.paraview.org/u/CsatiZoltan)\
**Replies:** 4\
**Last updated:** [July 7, 2026, 1:36pm UTC](https://discourse.paraview.org/t/how-to-find-the-view-in-which-a-source-is-rendered-and-vice-versa/17642 "2026-07-07T13:36:51Z")

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In the ParaView GUI, a source in the pipeline browser and its representation in a view are linked, shown by the eye icon. How can I find using Python scripting the source for a given view proxy object, and the view prox…

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## [Cannot import Python modules after having compiled a Python plugin](https://discourse.paraview.org/t/cannot-import-python-modules-after-having-compiled-a-python-plugin/17622)

<div class="topic-metadata">

**Author:** [@CsatiZoltan](https://discourse.paraview.org/u/CsatiZoltan)\
**Replies:** 3\
**Last updated:** [June 16, 2026, 2:23pm UTC](https://discourse.paraview.org/t/cannot-import-python-modules-after-having-compiled-a-python-plugin/17622 "2026-06-16T14:23:48Z")

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I wrote a Python plugin, which imports other custom Python modules (helper modules that I wrote myself). After setting PYTHONPATH and then launching ParaView, I can load the plugin successfully and it works as intended. …

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## [Selecting filter on pipeline browser from renderViewer object](https://discourse.paraview.org/t/selecting-filter-on-pipeline-browser-from-renderviewer-object/17629)

<div class="topic-metadata">

**Author:** [@otaolafr](https://discourse.paraview.org/u/otaolafr)\
**Replies:** 2\
**Last updated:** [June 22, 2026, 11:15am UTC](https://discourse.paraview.org/t/selecting-filter-on-pipeline-browser-from-renderviewer-object/17629 "2026-06-22T11:15:25Z")

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Hello, if i have a bunch of filters showing on the renderViewer, is there any way to lets say, ‘click’ a specific cell and that the filter that has this cell will be selected (SetActiveSource()) to know which filter cor…

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## [assembling 3D cross sections](https://discourse.paraview.org/t/assembling-3d-cross-sections/17533)

<div class="topic-metadata">

**Author:** [@morraine](https://discourse.paraview.org/u/morraine)\
**Replies:** 1\
**Last updated:** [April 27, 2026, 6:15am UTC](https://discourse.paraview.org/t/assembling-3d-cross-sections/17533 "2026-04-27T06:15:52Z")

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Hey Paraview folks, I have a number of GPR radargrams in 2D (cross section of the subsurface) with corresponding transects on the surface and I am looking to attach the radargrams to their corresponding transects to cre…

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## [how to make a dynamic animation](https://discourse.paraview.org/t/how-to-make-a-dynamic-animation/17437)

<div class="topic-metadata">

**Author:** [@Rajneesh\_Anand](https://discourse.paraview.org/u/Rajneesh_Anand)\
**Replies:** 1\
**Last updated:** [February 11, 2026, 8:51am UTC](https://discourse.paraview.org/t/how-to-make-a-dynamic-animation/17437 "2026-02-11T08:51:56Z")

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I am working on a project and I want to plot it dynamically. I have attached two animations here; one of them is growing plots and I want to plot the same type of growing animation from my data “my animation.mp4”. I onl…

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## [filters not being updated when using pvpython?](https://discourse.paraview.org/t/filters-not-being-updated-when-using-pvpython/17347)

<div class="topic-metadata">

**Author:** [@otaolafr](https://discourse.paraview.org/u/otaolafr)\
**Replies:** 1\
**Last updated:** [December 4, 2025, 2:53pm UTC](https://discourse.paraview.org/t/filters-not-being-updated-when-using-pvpython/17347 "2025-12-04T14:53:52Z")

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hello, i am having a problem with one of my scripts, i have a pipeline of 4 filters that I am changing inside a loop, I am creating a slice (slice\_0) in the XZ plane, then creating a second slice(slice\_1) in the XY pl…

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## [add interactive widget to control crop filter](https://discourse.paraview.org/t/add-interactive-widget-to-control-crop-filter/17734)

<div class="topic-metadata">

**Author:** [@otaolafr](https://discourse.paraview.org/u/otaolafr)\
**Replies:** 0\
**Last updated:** [September 17, 2026, 11:17am UTC](https://discourse.paraview.org/t/add-interactive-widget-to-control-crop-filter/17734 "2026-09-17T11:17:39Z")

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crop filter newly implemented on the gui in the few recent versions, is a great tool for working with structured data, in it we need to set the min max values in each axis. it would be great to have a box widget that we …

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## [ParaView 6.1.0 severe UI lag with NVIDIA driver 595 — ?? Qt 6.9 interaction](https://discourse.paraview.org/t/paraview-6-1-0-severe-ui-lag-with-nvidia-driver-595-qt-6-9-interaction/17570)

<div class="topic-metadata">

**Author:** [@karl.randle](https://discourse.paraview.org/u/karl.randle)\
**Replies:** 0\
**Last updated:** [May 19, 2026, 10:12am UTC](https://discourse.paraview.org/t/paraview-6-1-0-severe-ui-lag-with-nvidia-driver-595-qt-6-9-interaction/17570 "2026-05-19T10:12:30Z")

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Summary ParaView 6.1.0 is extremely slow on a high-end workstation with NVIDIA driver 595.97 (RTX PRO 4000 Blackwell). The slowness affects toggling visibility of pipeline items, switching representations (e.g. outline t…

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## ["Render points as spheres" completely messes up the depth / Z-Order of the points](https://discourse.paraview.org/t/render-points-as-spheres-completely-messes-up-the-depth-z-order-of-the-points/17346)

<div class="topic-metadata">

**Author:** [@Oblomov](https://discourse.paraview.org/u/Oblomov)\
**Replies:** 0\
**Last updated:** [December 4, 2025, 11:12am UTC](https://discourse.paraview.org/t/render-points-as-spheres-completely-messes-up-the-depth-z-order-of-the-points/17346 "2025-12-04T11:12:51Z")

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There seems to be an issue with the “Render points as spheres” option that fails to account for the depth / Z-order of the points (with respect to the camera), resulting in the spheres being rendered in random order, so…

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## [Animating with frozen time steps](https://discourse.paraview.org/t/animating-with-frozen-time-steps/17534)

<div class="topic-metadata">

**Author:** [@Eliah](https://discourse.paraview.org/u/Eliah)\
**Replies:** 1\
**Last updated:** [April 27, 2026, 6:20am UTC](https://discourse.paraview.org/t/animating-with-frozen-time-steps/17534 "2026-04-27T06:20:47Z")

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Hey all, I have ParaView 6.1.0-RC1, just wondering if someone can give some advice. I want to be able to freeze my timesteps at 0s to move the camera around to display my setup then lock the camera position and run thro…

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## [How to keep insertion order in the Spreadsheet table columns?](https://discourse.paraview.org/t/how-to-keep-insertion-order-in-the-spreadsheet-table-columns/17638)

<div class="topic-metadata">

**Author:** [@CsatiZoltan](https://discourse.paraview.org/u/CsatiZoltan)\
**Replies:** 2\
**Last updated:** [June 29, 2026, 1:20pm UTC](https://discourse.paraview.org/t/how-to-keep-insertion-order-in-the-spreadsheet-table-columns/17638 "2026-06-29T13:20:03Z")

</div>

In the RequestData method of my Python plugin, I fill a VTKTable by columns: one column for each dataset: from vtkmodules.numpy\_interface import dataset\_adapter def RequestData(self, request, inInfoVector, outInfoVecto…

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## [connectivity wrong results?](https://discourse.paraview.org/t/connectivity-wrong-results/17433)

<div class="topic-metadata">

**Author:** [@otaolafr](https://discourse.paraview.org/u/otaolafr)\
**Replies:** 6\
**Last updated:** [February 10, 2026, 1:51pm UTC](https://discourse.paraview.org/t/connectivity-wrong-results/17433 "2026-02-10T13:51:43Z")

</div>

Hello, I THINK it is a bug, but not sure, therefore before making an issue i would like some developers input (not sure what are the exact specific steps that generates the problem in the pipeline): use wavelet source …

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## [ParaView Office Hours April 2, 2026](https://discourse.paraview.org/t/paraview-office-hours-april-2-2026/17499)

<div class="topic-metadata">

**Author:** [@Bob\_Obara](https://discourse.paraview.org/u/Bob_Obara)\
**Replies:** 1\
**Last updated:** [April 2, 2026, 8:04pm UTC](https://discourse.paraview.org/t/paraview-office-hours-april-2-2026/17499 "2026-04-02T20:04:30Z")

</div>

Have a question about how to use ParaView? Ask ParaView experts at this week’s office hours! Time: Thursday, April 2 · 3:30 – 5:00pm Time zone: America/New\_York Google Meet joining info Video call link: https://meet.g…

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## [Ghost Cell Filter does not pick up global ID fields, if they are self generated](https://discourse.paraview.org/t/ghost-cell-filter-does-not-pick-up-global-id-fields-if-they-are-self-generated/17428)

<div class="topic-metadata">

**Author:** [@hheinzer](https://discourse.paraview.org/u/hheinzer)\
**Replies:** 1\
**Last updated:** [February 5, 2026, 10:43am UTC](https://discourse.paraview.org/t/ghost-cell-filter-does-not-pick-up-global-id-fields-if-they-are-self-generated/17428 "2026-02-05T10:43:59Z")

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The ghost cell filter needs the global ID arrays for points and cells to generate the needed ghost cells. There is an option to compute these in the filter options (“Generate Global Ids“). This creates two new data array…

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## [Improving label readability and zoom behavior for graph/extremum visualizations in ParaView](https://discourse.paraview.org/t/improving-label-readability-and-zoom-behavior-for-graph-extremum-visualizations-in-paraview/17558)

<div class="topic-metadata">

**Author:** [@Sahith](https://discourse.paraview.org/u/Sahith)\
**Replies:** 2\
**Last updated:** [May 11, 2026, 8:39am UTC](https://discourse.paraview.org/t/improving-label-readability-and-zoom-behavior-for-graph-extremum-visualizations-in-paraview/17558 "2026-05-11T08:39:51Z")

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Hello, I am exploring ParaView + TTK workflows for graph/topological visualizations (eventually extremum graphs), and I am investigating whether ParaView supports better control of labels and annotations through filters…

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## [\`triage\` tags](https://discourse.paraview.org/t/triage-tags/17718)

<div class="topic-metadata">

**Author:** [@cory.quammen](https://discourse.paraview.org/u/cory.quammen)\
**Replies:** 3\
**Last updated:** [September 8, 2026, 2:51pm UTC](https://discourse.paraview.org/t/triage-tags/17718 "2026-09-08T14:51:30Z")

</div>

Is there an assumption that every issue gets a triage tag? Conversation started here: https://gitlab.kitware.com/paraview/paraview/-/work\_items/23318#note\_1864806

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## [be able to set default to plane parameters in clip/slice](https://discourse.paraview.org/t/be-able-to-set-default-to-plane-parameters-in-clip-slice/17686)

<div class="topic-metadata">

**Author:** [@otaolafr](https://discourse.paraview.org/u/otaolafr)\
**Replies:** 3\
**Last updated:** [August 24, 2026, 2:18pm UTC](https://discourse.paraview.org/t/be-able-to-set-default-to-plane-parameters-in-clip-slice/17686 "2026-08-24T14:18:03Z")

</div>

in regards to the improvements of the gui, one annoyance while working in paraview, is create a clip/slice, set up the specific cutting point, and while moving the camera, move the cutting point. Furthermore, if one sets…

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## [How to specify custom solid colors that persist?](https://discourse.paraview.org/t/how-to-specify-custom-solid-colors-that-persist/17644)

<div class="topic-metadata">

**Author:** [@GregVernon](https://discourse.paraview.org/u/GregVernon)\
**Replies:** 3\
**Last updated:** [July 2, 2026, 4:30pm UTC](https://discourse.paraview.org/t/how-to-specify-custom-solid-colors-that-persist/17644 "2026-07-02T16:30:05Z")

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I find myself constantly adding custom colors to the Pick Solid Color dialog, since it doesn’t seem that these colors persist across sessions. For example: Launch fresh session of ParaView 6.1.0 (make sure it’s the o…

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## [Paraview 6.1.0 displays a white screen](https://discourse.paraview.org/t/paraview-6-1-0-displays-a-white-screen/17592)

<div class="topic-metadata">

**Author:** [@Odyop89](https://discourse.paraview.org/u/Odyop89)\
**Replies:** 0\
**Last updated:** [June 2, 2026, 4:18pm UTC](https://discourse.paraview.org/t/paraview-6-1-0-displays-a-white-screen/17592 "2026-06-02T16:18:51Z")

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Hello, I would like to use Paraview to analyze data from the Digital Image Correlation software DICe. Unfortunately, I am having an issue where the screen remains white when I try to launch the program. (see image belo…

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## [ParaView Office Hours March 19, 2026](https://discourse.paraview.org/t/paraview-office-hours-march-19-2026/17477)

<div class="topic-metadata">

**Author:** [@Bob\_Obara](https://discourse.paraview.org/u/Bob_Obara)\
**Replies:** 1\
**Last updated:** [March 19, 2026, 7:30pm UTC](https://discourse.paraview.org/t/paraview-office-hours-march-19-2026/17477 "2026-03-19T19:30:11Z")

</div>

Have a question about how to use ParaView? Ask ParaView experts at this week’s office hours! Time: Thursday, March 19 · 3:30 – 5:00pm Time zone: America/New\_York Google Meet joining info Video call link: https://meet.…

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## ["From a ParaView visualization to an interactive trame app" - Free Webinar](https://discourse.paraview.org/t/from-a-paraview-visualization-to-an-interactive-trame-app-free-webinar/17751)

<div class="topic-metadata">

**Author:** [@NickBearup](https://discourse.paraview.org/u/NickBearup)\
**Replies:** 0\
**Last updated:** [September 29, 2026, 7:29pm UTC](https://discourse.paraview.org/t/from-a-paraview-visualization-to-an-interactive-trame-app-free-webinar/17751 "2026-09-29T19:29:35Z")

</div>

Next week, on October 7th, from 12:00pm - 1:00pm ET, Kitware’s Sebastien Jourdain and Cory Quammen will be hosting “From a ParaView visualization to an interactive trame application”. The webinar will demonstrate how to…

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## [Work with CompositeDataSets in python calculators or programable filters](https://discourse.paraview.org/t/work-with-compositedatasets-in-python-calculators-or-programable-filters/17306)

<div class="topic-metadata">

**Author:** [@Captain\_Convergence](https://discourse.paraview.org/u/Captain_Convergence)\
**Replies:** 0\
**Last updated:** [November 13, 2025, 3:33pm UTC](https://discourse.paraview.org/t/work-with-compositedatasets-in-python-calculators-or-programable-filters/17306 "2025-11-13T15:33:12Z")

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Dear support, I often come into issues in python calculators (or in programmable filters) when working with composite datasets (typically from multiblock grids) where the data is distributed among many datasets (each on…

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## [ParaView 6.2.0 complains about not having any points for plot over line on an MPI distributed dataset](https://discourse.paraview.org/t/paraview-6-2-0-complains-about-not-having-any-points-for-plot-over-line-on-an-mpi-distributed-dataset/17755)

<div class="topic-metadata">

**Author:** [@Alexandre\_Minot](https://discourse.paraview.org/u/Alexandre_Minot)\
**Replies:** 8\
**Last updated:** [October 7, 2026, 2:30pm UTC](https://discourse.paraview.org/t/paraview-6-2-0-complains-about-not-having-any-points-for-plot-over-line-on-an-mpi-distributed-dataset/17755 "2026-10-07T14:30:38Z")

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Hello, I am getting these warning since I updated from ParaView 6.2.0 RC1 to 6.2.0: ( 1.403s) \[pvbatch.0 \] vtkPolyDataReader.cxx:267 WARN| vtkPolyDataReader (0x7cd01787c980): No points read! ( 1.403s) \[pvb…

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## [Plot Multiple "Individual Blocks" with Plot on Intersection Curves](https://discourse.paraview.org/t/plot-multiple-individual-blocks-with-plot-on-intersection-curves/17514)

<div class="topic-metadata">

**Author:** [@Chris2337](https://discourse.paraview.org/u/Chris2337)\
**Replies:** 1\
**Last updated:** [April 7, 2026, 8:42am UTC](https://discourse.paraview.org/t/plot-multiple-individual-blocks-with-plot-on-intersection-curves/17514 "2026-04-07T08:42:37Z")

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Hello All, I am using the new build 6.1.0 for Windows with Plot3D files. The grid is a multi-block grid for the 2D high-lift CRM case, so I am trying to plot the pressure distribution for all three elements on a single …

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## [Bug (?) with StreamTracer pointcloud](https://discourse.paraview.org/t/bug-with-streamtracer-pointcloud/17728)

<div class="topic-metadata">

**Author:** [@Bismuth-tetser.93](https://discourse.paraview.org/u/Bismuth-tetser.93)\
**Replies:** 5\
**Last updated:** [September 17, 2026, 3:33pm UTC](https://discourse.paraview.org/t/bug-with-streamtracer-pointcloud/17728 "2026-09-17T15:33:57Z")

</div>

I have a vector field, and when I create a StreamTracer cloud point filter, I face an annoying bug. I take time to specify the center of the ball that seeds the streamlines, I take time to pick a number of seed points an…

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