# Top

**URL:** https://discourse.paraview.org/top.md?page=173&period=all

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

**Page:** 174

---

## [Slice filter of a Tecplot \*.plt file](https://discourse.paraview.org/t/slice-filter-of-a-tecplot-plt-file/15997)

<div class="topic-metadata">

**Author:** [@dweyburne](https://discourse.paraview.org/u/dweyburne)\
**Replies:** 3\
**Last updated:** [January 23, 2025, 8:18am UTC](https://discourse.paraview.org/t/slice-filter-of-a-tecplot-plt-file/15997 "2025-01-23T08:18:43Z")

</div>

A colleague sent me a Tecplot \*.plt file consisting of the CVD results for a NACA0012 2D simulation. When I take a slice using the slice filter and save as csv data, I end up with a ~29000 row file of velocities. The m…

---

## [How to reduce ParaView CMake configure time?](https://discourse.paraview.org/t/how-to-reduce-paraview-cmake-configure-time/15100)

<div class="topic-metadata">

**Author:** [@joint](https://discourse.paraview.org/u/joint)\
**Replies:** 3\
**Last updated:** [August 7, 2024, 3:33pm UTC](https://discourse.paraview.org/t/how-to-reduce-paraview-cmake-configure-time/15100 "2024-08-07T15:33:42Z")

</div>

Hello, dear ParaView developers Could you please give me an advise on how to reduce CMake configure time? It costs me 30s every time I modify any of CMakeLists files Thanks

---

## [Line plot data size when using Temporal Statistics Filter](https://discourse.paraview.org/t/line-plot-data-size-when-using-temporal-statistics-filter/14250)

<div class="topic-metadata">

**Author:** [@Chhotelal](https://discourse.paraview.org/u/Chhotelal)\
**Replies:** 0\
**Last updated:** [March 24, 2024, 2:09pm UTC](https://discourse.paraview.org/t/line-plot-data-size-when-using-temporal-statistics-filter/14250 "2024-03-24T14:09:32Z")

</div>

Dear expert, I want to know the exact data size when I use the axial plot. I am using the Temporal statistics Filter to get the average field data and using samples at segment centers for the plot. The grid size is (200…

---

## [Comprehensive guide about server manager/proxies which paraview uses?](https://discourse.paraview.org/t/comprehensive-guide-about-server-manager-proxies-which-paraview-uses/14144)

<div class="topic-metadata">

**Author:** [@joint](https://discourse.paraview.org/u/joint)\
**Replies:** 0\
**Last updated:** [March 13, 2024, 10:02am UTC](https://discourse.paraview.org/t/comprehensive-guide-about-server-manager-proxies-which-paraview-uses/14144 "2024-03-13T10:02:57Z")

</div>

Hello dear Paraview developers! Could you advise me please a comprehensive guide about server manager/proxies which paraview uses? Thanks

---

## [VTKHDF with varying Assembly](https://discourse.paraview.org/t/vtkhdf-with-varying-assembly/13848)

<div class="topic-metadata">

**Author:** [@Juan\_Jose\_Casafranca](https://discourse.paraview.org/u/Juan_Jose_Casafranca)\
**Replies:** 0\
**Last updated:** [February 2, 2024, 9:14am UTC](https://discourse.paraview.org/t/vtkhdf-with-varying-assembly/13848 "2024-02-02T09:14:43Z")

</div>

I have a simulation where some data is not present in every time step, for example collisions. Is it possible to represent such kind of data in VTKHDF. By reading the VTKHDF specification, it looks the Assembly is fixed,…

---

## [Having ordered points in the Excel output file](https://discourse.paraview.org/t/having-ordered-points-in-the-excel-output-file/13281)

<div class="topic-metadata">

**Author:** [@Foojan](https://discourse.paraview.org/u/Foojan)\
**Replies:** 0\
**Last updated:** [November 20, 2023, 2:01am UTC](https://discourse.paraview.org/t/having-ordered-points-in-the-excel-output-file/13281 "2023-11-20T02:01:31Z")

</div>

Hi, I have been working with Paraview for the visualization of 2-phase flow. For my research purpose, when I apply a specific contour, I obtain sets of points known as interfaces (like the image below- there are points …

---

## [White color appears cream/beige in contour plots.](https://discourse.paraview.org/t/white-color-appears-cream-beige-in-contour-plots/17252)

<div class="topic-metadata">

**Author:** [@venkcy](https://discourse.paraview.org/u/venkcy)\
**Replies:** 1\
**Last updated:** [October 19, 2025, 4:54pm UTC](https://discourse.paraview.org/t/white-color-appears-cream-beige-in-contour-plots/17252 "2025-10-19T16:54:58Z")

</div>

I am using BWR colormap for contour plots. Instead of white color for scalar ‘0’ value, I get cream or yellowish. Please suggest tips.

---

## [Calculating double derivatives options](https://discourse.paraview.org/t/calculating-double-derivatives-options/16678)

<div class="topic-metadata">

**Author:** [@scabo](https://discourse.paraview.org/u/scabo)\
**Replies:** 1\
**Last updated:** [May 21, 2025, 11:25pm UTC](https://discourse.paraview.org/t/calculating-double-derivatives-options/16678 "2025-05-21T23:25:01Z")

</div>

Hi, In Paraview, if I want to calculate double derivative/second derivative of a variable, we have got the following options: 1) Take gradient filter twice-but this is associated with loss of accuracy and can produce som…

---

## [WOIV'25: 9th International Workshop on In Situ Visualization](https://discourse.paraview.org/t/woiv25-9th-international-workshop-on-in-situ-visualization/16164)

<div class="topic-metadata">

**Author:** [@Francois\_Mazen](https://discourse.paraview.org/u/Francois_Mazen)\
**Replies:** 1\
**Last updated:** [February 12, 2025, 4:00pm UTC](https://discourse.paraview.org/t/woiv25-9th-international-workshop-on-in-situ-visualization/16164 "2025-02-12T16:00:54Z")

</div>

WOIV’25: 9th International Workshop on In Situ Visualization Held in conjunction with ISC 2025 Hamburg, Germany, June 13, 2025 Scope Large-scale HPC simulations with their inherent I/O bottleneck have made in situ visu…

---

## [how to view topographic monitoring data](https://discourse.paraview.org/t/how-to-view-topographic-monitoring-data/14800)

<div class="topic-metadata">

**Author:** [@FelixITA](https://discourse.paraview.org/u/FelixITA)\
**Replies:** 1\
**Last updated:** [June 10, 2024, 8:23am UTC](https://discourse.paraview.org/t/how-to-view-topographic-monitoring-data/14800 "2024-06-10T08:23:41Z")

</div>

Hello, I am new of ParaView maybe it’s very simple. I have a CSV file with topographic reference points: name,X,Y,Z and a big CSV file of monitoring data: ref\_name, date and time, dX, dY, dZ Now I would like to view…

---

## [Why does Python script cause the filter to pass all the stages?](https://discourse.paraview.org/t/why-does-python-script-cause-the-filter-to-pass-all-the-stages/13926)

<div class="topic-metadata">

**Author:** [@joint](https://discourse.paraview.org/u/joint)\
**Replies:** 0\
**Last updated:** [February 13, 2024, 12:41pm UTC](https://discourse.paraview.org/t/why-does-python-script-cause-the-filter-to-pass-all-the-stages/13926 "2024-02-13T12:41:51Z")

</div>

Hello dear Paraview Developers? I have faced a very intriguing problem I call from my custom filter such a code vtkPythonInteractiveInterpreter\* PythonScript; PythonScript = PythonScript-\>New(); PythonScript-\>Pu…

---

## [How to make animation with different .hdf files](https://discourse.paraview.org/t/how-to-make-animation-with-different-hdf-files/17129)

<div class="topic-metadata">

**Author:** [@Canadian\_Terry](https://discourse.paraview.org/u/Canadian_Terry)\
**Replies:** 2\
**Last updated:** [August 25, 2025, 7:05am UTC](https://discourse.paraview.org/t/how-to-make-animation-with-different-hdf-files/17129 "2025-08-25T07:05:54Z")

</div>

Hi, I am trying to create an animation in ParaView using several .hdf files from a numerical simulation. The issue is that when I load multiple files, they are not linked together and the time for each one appears as “0…

---

## [Clip Filter "Show Plane" not hideable from python script](https://discourse.paraview.org/t/clip-filter-show-plane-not-hideable-from-python-script/17352)

<div class="topic-metadata">

**Author:** [@Sly\_ld](https://discourse.paraview.org/u/Sly_ld)\
**Replies:** 1\
**Last updated:** [December 8, 2025, 7:40am UTC](https://discourse.paraview.org/t/clip-filter-show-plane-not-hideable-from-python-script/17352 "2025-12-08T07:40:05Z")

</div>

I’m applying a clip filter to a box data for a basic assignment. It’s pretty simple, I do some basic manipulation on the box\_data then I apply the clip filter to it. However, I can’t seem to find a way to hide the plane …

---

## [Slicing volume from point data](https://discourse.paraview.org/t/slicing-volume-from-point-data/17086)

<div class="topic-metadata">

**Author:** [@pearcee9](https://discourse.paraview.org/u/pearcee9)\
**Replies:** 1\
**Last updated:** [August 25, 2025, 12:45pm UTC](https://discourse.paraview.org/t/slicing-volume-from-point-data/17086 "2025-08-25T12:45:58Z")

</div>

Hello! I have a 3D block where I have simulated the 2015 Nepal earthquake (see 1st picture). The earthquake was simulated along a fault plane located within the 3D block. The fault plane is defined by x,y,z point data (…

---

## [Trouble loading DICe-generated Exodus (.e) file in ParaView (only works in 5.9.1)](https://discourse.paraview.org/t/trouble-loading-dice-generated-exodus-e-file-in-paraview-only-works-in-5-9-1/16839)

<div class="topic-metadata">

**Author:** [@MaheshYumnam](https://discourse.paraview.org/u/MaheshYumnam)\
**Replies:** 1\
**Last updated:** [June 23, 2025, 7:22am UTC](https://discourse.paraview.org/t/trouble-loading-dice-generated-exodus-e-file-in-paraview-only-works-in-5-9-1/16839 "2025-06-23T07:22:09Z")

</div>

Greetings everyone, I’ve been trying to load an Exodus (.e) file generated from DICe (Digital Image Correlation Engine) into ParaView, but I haven’t had any luck with recent versions. So far, only ParaView 5.9.1 has bee…

---

## [Issue with added lighting when using filter on source](https://discourse.paraview.org/t/issue-with-added-lighting-when-using-filter-on-source/15089)

<div class="topic-metadata">

**Author:** [@Lilian](https://discourse.paraview.org/u/Lilian)\
**Replies:** 1\
**Last updated:** [July 20, 2024, 12:10pm UTC](https://discourse.paraview.org/t/issue-with-added-lighting-when-using-filter-on-source/15089 "2024-07-20T12:10:15Z")

</div>

Greetings, I am adding filters to my data, such as the simple clipping filter. However, when I place an additional light source using the light inspector, it seems that the clipping plane and the guidelines/arrows are …

---

## [Plot other data over contour line](https://discourse.paraview.org/t/plot-other-data-over-contour-line/14620)

<div class="topic-metadata">

**Author:** [@Parvathy\_Kunchi\_Kann](https://discourse.paraview.org/u/Parvathy_Kunchi_Kann)\
**Replies:** 1\
**Last updated:** [May 14, 2024, 2:01pm UTC](https://discourse.paraview.org/t/plot-other-data-over-contour-line/14620 "2024-05-14T14:01:44Z")

</div>

Hi, I have a vtk file of a droplet with the concentration contour (C11) and the some other data. using the ‘contour’ option I was able to get a contour of the droplet interface. But I need to plot the arc length of the …

---

## [The romantic field generated by StreamTracerwithCustomsource is layered, discontinuous](https://discourse.paraview.org/t/the-romantic-field-generated-by-streamtracerwithcustomsource-is-layered-discontinuous/15301)

<div class="topic-metadata">

**Author:** [@zdc](https://discourse.paraview.org/u/zdc)\
**Replies:** 3\
**Last updated:** [August 28, 2024, 11:21am UTC](https://discourse.paraview.org/t/the-romantic-field-generated-by-streamtracerwithcustomsource-is-layered-discontinuous/15301 "2024-08-28T11:21:15Z")

</div>

Hello, when I use StreamTracerwithCustomsource in the Windows11 system, the seeds of the romantic field are generated through the program. The seed point is vertically distributed between the pressure layer-1100 to -100,…

---

## [How to get Lift and drag coefficient for an airfoil](https://discourse.paraview.org/t/how-to-get-lift-and-drag-coefficient-for-an-airfoil/14652)

<div class="topic-metadata">

**Author:** [@Kamal\_Ihsan\_Kamarudd](https://discourse.paraview.org/u/Kamal_Ihsan_Kamarudd)\
**Replies:** 0\
**Last updated:** [May 17, 2024, 8:27am UTC](https://discourse.paraview.org/t/how-to-get-lift-and-drag-coefficient-for-an-airfoil/14652 "2024-05-17T08:27:09Z")

</div>

Can you guys show me step by step how to get lift and drag coefficient for an airfoil

---

## [Extract the isosurface for 3D Scalar; and manipulate each fragments (integrations etc)](https://discourse.paraview.org/t/extract-the-isosurface-for-3d-scalar-and-manipulate-each-fragments-integrations-etc/14512)

<div class="topic-metadata">

**Author:** [@rho](https://discourse.paraview.org/u/rho)\
**Replies:** 0\
**Last updated:** [April 29, 2024, 8:44am UTC](https://discourse.paraview.org/t/extract-the-isosurface-for-3d-scalar-and-manipulate-each-fragments-integrations-etc/14512 "2024-04-29T08:44:20Z")

</div>

Dear all, I have a 3D scalar in vtk format: Collid\_0051.vtk (1.1 MB) I’d like to extract the isosurface of this 3D density field and performe integration over the volume surrounding each isosurface (isosurfaces are d…

---

## [Centroid point data in same file as mesh](https://discourse.paraview.org/t/centroid-point-data-in-same-file-as-mesh/16435)

<div class="topic-metadata">

**Author:** [@deathtime](https://discourse.paraview.org/u/deathtime)\
**Replies:** 1\
**Last updated:** [April 7, 2025, 7:48am UTC](https://discourse.paraview.org/t/centroid-point-data-in-same-file-as-mesh/16435 "2025-04-07T07:48:11Z")

</div>

Hello, I am writing an aerodynamic solver which works on NASTRAN FEM. I am using Paraview to view my development. So far I have managed to plot the FEM in Paraview by writing a VTU file. This involves using a single pi…

---

## [Implementation of the triangulation algorithm](https://discourse.paraview.org/t/implementation-of-the-triangulation-algorithm/14790)

<div class="topic-metadata">

**Author:** [@Reptider](https://discourse.paraview.org/u/Reptider)\
**Replies:** 1\
**Last updated:** [June 6, 2024, 6:34pm UTC](https://discourse.paraview.org/t/implementation-of-the-triangulation-algorithm/14790 "2024-06-06T18:34:47Z")

</div>

Hi. I would like to know where is the code describing the implementation of the Triangulate method, which is imported together with paraview.simple. On this path: https://kitware.github.io/paraview-docs/latest/python/\_…

---

## [Crash when showing boundary and not logfile](https://discourse.paraview.org/t/crash-when-showing-boundary-and-not-logfile/14505)

<div class="topic-metadata">

**Author:** [@BastelBaus](https://discourse.paraview.org/u/BastelBaus)\
**Replies:** 1\
**Last updated:** [April 29, 2024, 6:34am UTC](https://discourse.paraview.org/t/crash-when-showing-boundary-and-not-logfile/14505 "2024-04-29T06:34:00Z")

</div>

When I try to show a boundary file, paraview crashes without any error message. THis is the last screen seen: Also I was not able to creatre a logfile. It seams no file is created: paraview --log=log.txt,INFO --en…

---

## [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")

</div>

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 …

---

## [HDRIs rendered very dark in OSPRay](https://discourse.paraview.org/t/hdris-rendered-very-dark-in-ospray/17553)

<div class="topic-metadata">

**Author:** [@Lukasz](https://discourse.paraview.org/u/Lukasz)\
**Replies:** 2\
**Last updated:** [May 11, 2026, 1:24pm UTC](https://discourse.paraview.org/t/hdris-rendered-very-dark-in-ospray/17553 "2026-05-11T13:24:12Z")

</div>

Hi, I am on Paraview 6.0.1 and when I load a HDRI and enable it as Environment with OSPRay, the scene is very dark and the background HDRI is also very dark. Here’s a free HDRI that I used: And this is what it looks…

---

## [Help with filter "textureMaptoPlane".](https://discourse.paraview.org/t/help-with-filter-texturemaptoplane/17261)

<div class="topic-metadata">

**Author:** [@antoinecollet5](https://discourse.paraview.org/u/antoinecollet5)\
**Replies:** 2\
**Last updated:** [October 27, 2025, 10:08am UTC](https://discourse.paraview.org/t/help-with-filter-texturemaptoplane/17261 "2025-10-27T10:08:23Z")

</div>

Hi there, I try to visualize geological cross sections using Paraview. For this, I create a \*.vts using pyvista and then use the filter textureMaptoPlane. In the following I will give you an example with pyvista, and th…

---

## [How to output variables visible in plot global variables to a file](https://discourse.paraview.org/t/how-to-output-variables-visible-in-plot-global-variables-to-a-file/15331)

<div class="topic-metadata">

**Author:** [@jackeggemeyer](https://discourse.paraview.org/u/jackeggemeyer)\
**Replies:** 2\
**Last updated:** [September 2, 2024, 6:01pm UTC](https://discourse.paraview.org/t/how-to-output-variables-visible-in-plot-global-variables-to-a-file/15331 "2024-09-02T18:01:08Z")

</div>

I am wondering how you output global variables to an output file, I can only see field, point, and block data. When I plot my global variables over time, they all show up perfectly. However, if I output the field data is…

---

## [Running a python script as headless without pvpython/pvbatch](https://discourse.paraview.org/t/running-a-python-script-as-headless-without-pvpython-pvbatch/17665)

<div class="topic-metadata">

**Author:** [@Rowan\_Wiles](https://discourse.paraview.org/u/Rowan_Wiles)\
**Replies:** 3\
**Last updated:** [July 23, 2026, 8:40pm UTC](https://discourse.paraview.org/t/running-a-python-script-as-headless-without-pvpython-pvbatch/17665 "2026-07-23T20:40:18Z")

</div>

I’m working on a Paraview project that runs as a Python script. It’s crashing when I try using it in a CAVE and I believe it’s because of the VTK Render window it’s opening whenever it runs. I want to stop this window fr…

---

## [merge crinckleclip and crinckleslice into 'crinkle'](https://discourse.paraview.org/t/merge-crinckleclip-and-crinckleslice-into-crinkle/17426)

<div class="topic-metadata">

**Author:** [@otaolafr](https://discourse.paraview.org/u/otaolafr)\
**Replies:** 3\
**Last updated:** [February 3, 2026, 1:21pm UTC](https://discourse.paraview.org/t/merge-crinckleclip-and-crinckleslice-into-crinkle/17426 "2026-02-03T13:21:33Z")

</div>

The clip and slice filters have the crinkle option, but in python they are separate flags with separate names (Crinkleclip & Crinkleslice) which are basically the same (at least from behavior perspective). it would be ni…

---

## [Integration model in LPT](https://discourse.paraview.org/t/integration-model-in-lpt/17377)

<div class="topic-metadata">

**Author:** [@gg22](https://discourse.paraview.org/u/gg22)\
**Replies:** 3\
**Last updated:** [December 15, 2025, 9:25am UTC](https://discourse.paraview.org/t/integration-model-in-lpt/17377 "2025-12-15T09:25:23Z")

</div>

Dear Mathieu, I am using the LPT and managed to make it work eventually, but I don’t know whether the reuslts I am obtaining are correct. Reading this topic that I am quoting below, I see you wrote that without an integr…

---

## [Animating multiple annotations?](https://discourse.paraview.org/t/animating-multiple-annotations/14228)

<div class="topic-metadata">

**Author:** [@arnaud\_pujol](https://discourse.paraview.org/u/arnaud_pujol)\
**Replies:** 0\
**Last updated:** [March 22, 2024, 10:33am UTC](https://discourse.paraview.org/t/animating-multiple-annotations/14228 "2024-03-22T10:33:46Z")

</div>

Hello, I’m new to the discussion forum. I’ve looked but I didn’t find a thread covering this topic. I’ve made an animation that includes 103 annotations: 27 Text Sources and 76 Python Annotations Filters. I animated …

---

## [paraview particle tracer](https://discourse.paraview.org/t/paraview-particle-tracer/16998)

<div class="topic-metadata">

**Author:** [@semeraro](https://discourse.paraview.org/u/semeraro)\
**Replies:** 1\
**Last updated:** [July 23, 2025, 7:25pm UTC](https://discourse.paraview.org/t/paraview-particle-tracer/16998 "2025-07-23T19:25:11Z")

</div>

Hello there, I am encountering errors when I use the particletracer filter on a vtr time series in paraview version 5.11.1. The error looks like this ERROR: In vtkStreamingDemandDrivenPipeline.cxx, line 878 vtkPVPost…

---

## [configure web based paraview lite but can't launch the paraview](https://discourse.paraview.org/t/configure-web-based-paraview-lite-but-cant-launch-the-paraview/15723)

<div class="topic-metadata">

**Author:** [@chris.yang](https://discourse.paraview.org/u/chris.yang)\
**Replies:** 1\
**Last updated:** [November 16, 2024, 12:23am UTC](https://discourse.paraview.org/t/configure-web-based-paraview-lite-but-cant-launch-the-paraview/15723 "2024-11-16T00:23:46Z")

</div>

Hi, I created a custom docker image (see the dockerfile below) and ran the image in codespace linux environment. I followed this documentation to setup the launch.config and 001-pvw.conf file. https://kitware.github.io…

---

## [unrecognized MAVC version 1940](https://discourse.paraview.org/t/unrecognized-mavc-version-1940/15094)

<div class="topic-metadata">

**Author:** [@Fin](https://discourse.paraview.org/u/Fin)\
**Replies:** 4\
**Last updated:** [August 8, 2024, 10:23am UTC](https://discourse.paraview.org/t/unrecognized-mavc-version-1940/15094 "2024-08-08T10:23:02Z")

</div>

encounter the error of unrecognized MAVC version 1940 when super build paraview. VC version 2022. the command is cmake -GNinja -D CMAKE\_BUILD\_TYPE=Release ../paraview-superbuild and paraview super build tag is v5.12.1

---

## [Cone Glyph with varying radius but constant height?](https://discourse.paraview.org/t/cone-glyph-with-varying-radius-but-constant-height/17268)

<div class="topic-metadata">

**Author:** [@reox](https://discourse.paraview.org/u/reox)\
**Replies:** 2\
**Last updated:** [October 30, 2025, 2:41pm UTC](https://discourse.paraview.org/t/cone-glyph-with-varying-radius-but-constant-height/17268 "2025-10-30T14:41:36Z")

</div>

I have some vector data, where I want to visualize direction and magnitude by a cone. Basically, the direction shall be the direction of the cone and the radius of the cone shall be reflected by the magnitude. However, …

---

## [Having trouble saving videos](https://discourse.paraview.org/t/having-trouble-saving-videos/15915)

<div class="topic-metadata">

**Author:** [@lucas.lanham](https://discourse.paraview.org/u/lucas.lanham)\
**Replies:** 2\
**Last updated:** [December 30, 2024, 3:54pm UTC](https://discourse.paraview.org/t/having-trouble-saving-videos/15915 "2024-12-30T15:54:33Z")

</div>

Hey there, Each time I try and save a video, it saves the file but the saved video runs only for 1 second. I’ve set it to run for 10 seconds though. Anyone having similar issues? Thank you!

---

## [Will there be ParaView Office Hours in 2026?](https://discourse.paraview.org/t/will-there-be-paraview-office-hours-in-2026/17398)

<div class="topic-metadata">

**Author:** [@CsatiZoltan](https://discourse.paraview.org/u/CsatiZoltan)\
**Replies:** 1\
**Last updated:** [January 16, 2026, 7:07pm UTC](https://discourse.paraview.org/t/will-there-be-paraview-office-hours-in-2026/17398 "2026-01-16T19:07:53Z")

</div>

Hi, I don’t see the ParaView Office Hours in the calendar. Will it be organized this year?

---

## [Highlighting Surface Cells using ParaView Python](https://discourse.paraview.org/t/highlighting-surface-cells-using-paraview-python/15690)

<div class="topic-metadata">

**Author:** [@sherin.sugathan](https://discourse.paraview.org/u/sherin.sugathan)\
**Replies:** 1\
**Last updated:** [November 6, 2024, 8:36am UTC](https://discourse.paraview.org/t/highlighting-surface-cells-using-paraview-python/15690 "2024-11-06T08:36:41Z")

</div>

Is it possible to highlight a set of cell/point IDs using ParaView Python? Currently, when I am using the “Interactive Select Cells On” feature, I can pick a single cell interactively. As a result, the picked cell wi…

---

## [vtkCubeSource / vtkBoxWidget coupling issue](https://discourse.paraview.org/t/vtkcubesource-vtkboxwidget-coupling-issue/16907)

<div class="topic-metadata">

**Author:** [@madmoonman](https://discourse.paraview.org/u/madmoonman)\
**Replies:** 3\
**Last updated:** [July 8, 2025, 11:44am UTC](https://discourse.paraview.org/t/vtkcubesource-vtkboxwidget-coupling-issue/16907 "2025-07-08T11:44:38Z")

</div>

Hello PV-Experts, I’ve encountered yet another interesting problem. For a few years I have been developing an in-house tool using vtk and PyQt5. Currently I do not have a working minimal example, but I will build one if…

---

## [How are plugin python wrappings formed based on XML?](https://discourse.paraview.org/t/how-are-plugin-python-wrappings-formed-based-on-xml/15105)

<div class="topic-metadata">

**Author:** [@joint](https://discourse.paraview.org/u/joint)\
**Replies:** 3\
**Last updated:** [August 8, 2024, 10:15pm UTC](https://discourse.paraview.org/t/how-are-plugin-python-wrappings-formed-based-on-xml/15105 "2024-08-08T22:15:05Z")

</div>

Hello dear Paraview developers! I have a widget which directly communicated with server part and sets some comples logic for my custom filter However it does not seem to work via python. I understand that is should no…

---

## [calculate area of cells?](https://discourse.paraview.org/t/calculate-area-of-cells/16262)

<div class="topic-metadata">

**Author:** [@otaolafr](https://discourse.paraview.org/u/otaolafr)\
**Replies:** 0\
**Last updated:** [March 5, 2025, 9:01am UTC](https://discourse.paraview.org/t/calculate-area-of-cells/16262 "2025-03-05T09:01:07Z")

</div>

Hello, I have a simulation in openfoam, vtkMultiblockDataSet with only load the internal mesh, when I use Cell size filter over the source of the reader (.foam on the pipeline browser) and check to calculate the area bu…

---

## [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…

---

## [Accessing the currently active camera in a cpp plugin](https://discourse.paraview.org/t/accessing-the-currently-active-camera-in-a-cpp-plugin/17438)

<div class="topic-metadata">

**Author:** [@Caldera\_99](https://discourse.paraview.org/u/Caldera_99)\
**Replies:** 2\
**Last updated:** [February 11, 2026, 11:35am UTC](https://discourse.paraview.org/t/accessing-the-currently-active-camera-in-a-cpp-plugin/17438 "2026-02-11T11:35:58Z")

</div>

Hello, I am currently trying to develop a small plugin that exposes some camera controls I often need. As a starting off point I copied and compiled the SourceToolbar example. After modifying some of the buttons to get…

---

## [Glyph: some arrows are missing when opening .vtm file](https://discourse.paraview.org/t/glyph-some-arrows-are-missing-when-opening-vtm-file/17144)

<div class="topic-metadata">

**Author:** [@mdev](https://discourse.paraview.org/u/mdev)\
**Replies:** 2\
**Last updated:** [August 29, 2025, 6:04pm UTC](https://discourse.paraview.org/t/glyph-some-arrows-are-missing-when-opening-vtm-file/17144 "2025-08-29T18:04:47Z")

</div>

Hello, I have a problem in plotting Glyph from .vtm file. As shown in the first picture, Glyph at some data points are missing. It is working properly when I open the .vtu file directly, as shown in the second picture. …

---

## [How to disable downsampling during rotation](https://discourse.paraview.org/t/how-to-disable-downsampling-during-rotation/16517)

<div class="topic-metadata">

**Author:** [@Ynnnnn](https://discourse.paraview.org/u/Ynnnnn)\
**Replies:** 2\
**Last updated:** [April 24, 2025, 4:07pm UTC](https://discourse.paraview.org/t/how-to-disable-downsampling-during-rotation/16517 "2025-04-24T16:07:21Z")

</div>

How to disable downsampling during rotation When Not Rotating During Rotation

---

## [Crashing while saving animation](https://discourse.paraview.org/t/crashing-while-saving-animation/16060)

<div class="topic-metadata">

**Author:** [@Giulian](https://discourse.paraview.org/u/Giulian)\
**Replies:** 2\
**Last updated:** [January 27, 2025, 4:23pm UTC](https://discourse.paraview.org/t/crashing-while-saving-animation/16060 "2025-01-27T16:23:28Z")

</div>

Dear All, I keep having the same problem. Paraview crushes every time I try to save an animation. Could you please help me out with this? Best

---

## [Animating mode shapes](https://discourse.paraview.org/t/animating-mode-shapes/17516)

<div class="topic-metadata">

**Author:** [@abruetsch](https://discourse.paraview.org/u/abruetsch)\
**Replies:** 1\
**Last updated:** [April 8, 2026, 5:14pm UTC](https://discourse.paraview.org/t/animating-mode-shapes/17516 "2026-04-08T17:14:23Z")

</div>

Hello, I am attempting to animate mode shapes contained within an .exo file. I have an old training guide that indicates there should be properties options “Has mode shapes” and “Animate vibrations” that will accomplish…

---

## [Change values of array of selected elements](https://discourse.paraview.org/t/change-values-of-array-of-selected-elements/16644)

<div class="topic-metadata">

**Author:** [@Clockwork](https://discourse.paraview.org/u/Clockwork)\
**Replies:** 1\
**Last updated:** [May 19, 2025, 6:34pm UTC](https://discourse.paraview.org/t/change-values-of-array-of-selected-elements/16644 "2025-05-19T18:34:17Z")

</div>

I have a method of selecting cells and changing the values in that portion of the array to a new integer, but it is quite cumbersome. So, for example, I might have a mesh that has a “Region” cell array with all integer …

---

## [Hide point cloud sphere using macro](https://discourse.paraview.org/t/hide-point-cloud-sphere-using-macro/14964)

<div class="topic-metadata">

**Author:** [@VijayN10](https://discourse.paraview.org/u/VijayN10)\
**Replies:** 1\
**Last updated:** [July 1, 2024, 3:03pm UTC](https://discourse.paraview.org/t/hide-point-cloud-sphere-using-macro/14964 "2024-07-01T15:03:15Z")

</div>

I am trying to create an image of a stream tracer with the seed type set to “Point Cloud”. I want to achieve this using a macro in ParaView. I used the trace tool to record my operations, which included setting up the st…

---

## [Trouble: activeSourcesSelectionModel() gives no active proxy](https://discourse.paraview.org/t/trouble-activesourcesselectionmodel-gives-no-active-proxy/14309)

<div class="topic-metadata">

**Author:** [@joint](https://discourse.paraview.org/u/joint)\
**Replies:** 1\
**Last updated:** [April 2, 2024, 8:49am UTC](https://discourse.paraview.org/t/trouble-activesourcesselectionmodel-gives-no-active-proxy/14309 "2024-04-02T08:49:28Z")

</div>

Hello dear Paraview developers! I use vtkSMProxy\* proxy = pqActiveObjects::instance().activeSourcesSelectionModel()-\>GetCurrentProxy(); vtkSMSourceProxy\* source\_proxy = vtkSMSourceProxy::SafeDownCast(proxy); to ge…

[Previous page](https://discourse.paraview.org/top.md?page=172&per_page=50&period=all)

[Next page](https://discourse.paraview.org/top.md?page=174&per_page=50&period=all)
