# Top

**URL:** https://discourse.paraview.org/top.md?page=141&period=all

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**Page:** 142

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## [Save screenshot in JPG format misbehaves](https://discourse.paraview.org/t/save-screenshot-in-jpg-format-misbehaves/17310)

<div class="topic-metadata">

**Author:** [@mckel](https://discourse.paraview.org/u/mckel)\
**Replies:** 8\
**Last updated:** [November 20, 2025, 11:43pm UTC](https://discourse.paraview.org/t/save-screenshot-in-jpg-format-misbehaves/17310 "2025-11-20T23:43:05Z")

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Dear all, in ParaView 6.0.1 running on Windows 11 I have a problem with the Save Screenshot functionality when the saved image is of JPG type. It appears that the image format is not recognized properly as JPG. How to …

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## [Difference between Save Animation, Save Screenshot and Export Scene](https://discourse.paraview.org/t/difference-between-save-animation-save-screenshot-and-export-scene/16583)

<div class="topic-metadata">

**Author:** [@wascott](https://discourse.paraview.org/u/wascott)\
**Replies:** 8\
**Last updated:** [May 20, 2025, 7:23am UTC](https://discourse.paraview.org/t/difference-between-save-animation-save-screenshot-and-export-scene/16583 "2025-05-20T07:23:42Z")

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Could someone clarify what the difference is between Save Animation (i.e., create a movie), Save Screenshot (grab a snapshot of the screen) and Export Scene? My question is, what is Export Scene compared to the other tw…

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## [Failed to read xmf (hdf5)](https://discourse.paraview.org/t/failed-to-read-xmf-hdf5/9897)

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**Author:** [@Joshua1502](https://discourse.paraview.org/u/Joshua1502)\
**Replies:** 0\
**Last updated:** [June 23, 2022, 9:55pm UTC](https://discourse.paraview.org/t/failed-to-read-xmf-hdf5/9897 "2022-06-23T21:55:01Z")

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I’m trying to visualize the data generated by a 3D HD simulation in Pluto software. I try opening with any of the xdmf reader options and the first and third choice show a error similar to the log\_error.txt and in the se…

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## [Best Way to Read (X-Point Gyrokinetic Code, ADIOS2 BP) Timeseries Data with Mesh Specified in Another File](https://discourse.paraview.org/t/best-way-to-read-x-point-gyrokinetic-code-adios2-bp-timeseries-data-with-mesh-specified-in-another-file/16924)

<div class="topic-metadata">

**Author:** [@tomgade](https://discourse.paraview.org/u/tomgade)\
**Replies:** 7\
**Last updated:** [July 10, 2025, 9:36pm UTC](https://discourse.paraview.org/t/best-way-to-read-x-point-gyrokinetic-code-adios2-bp-timeseries-data-with-mesh-specified-in-another-file/16924 "2025-07-10T21:36:40Z")

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Hello, I’ve tried a few approaches to read ADIOS2 BP format timeseries data from the X-Point Gyrokinetic Code into Paraview for visualization (I’d like to eventually play with VR, and I’d like to represent the timeserie…

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## [Memory/Storage Problem?](https://discourse.paraview.org/t/memory-storage-problem/14931)

<div class="topic-metadata">

**Author:** [@lhabeeb](https://discourse.paraview.org/u/lhabeeb)\
**Replies:** 1\
**Last updated:** [June 27, 2024, 11:37am UTC](https://discourse.paraview.org/t/memory-storage-problem/14931 "2024-06-27T11:37:11Z")

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I am on Windows 11, using ParaView Version 5.13.0-RC1 I believe I am having problems with memory/storage. In ParaView, there is a bar at the bottom right of my screen that gives my directory then a certain amount of GiB…

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## [Both Paraview 5.9 and 5.11 crash when I apply a glyph filter](https://discourse.paraview.org/t/both-paraview-5-9-and-5-11-crash-when-i-apply-a-glyph-filter/11684)

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**Author:** [@FMacca](https://discourse.paraview.org/u/FMacca)\
**Replies:** 1\
**Last updated:** [March 23, 2023, 4:24pm UTC](https://discourse.paraview.org/t/both-paraview-5-9-and-5-11-crash-when-i-apply-a-glyph-filter/11684 "2023-03-23T16:24:31Z")

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Hello, I am trying to use Paraview in order to do some post processing for a LES simulation. In order to best show velocity wind field I am trying to apply a glyph filter to add some arrows on my render. However if I tr…

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## [Paraview support for Nastran grid point data](https://discourse.paraview.org/t/paraview-support-for-nastran-grid-point-data/10429)

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**Author:** [@Avinash147](https://discourse.paraview.org/u/Avinash147)\
**Replies:** 1\
**Last updated:** [September 30, 2022, 7:24am UTC](https://discourse.paraview.org/t/paraview-support-for-nastran-grid-point-data/10429 "2022-09-30T07:24:21Z")

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Hello, I am currently trying to append Grid point data using some test files(Files attached for reference). I have noticed there is mismatch while appending the results. Is it possible to get correct results by updati…

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## [Can I conduct Python control PV in Catalyst Adaptor code?](https://discourse.paraview.org/t/can-i-conduct-python-control-pv-in-catalyst-adaptor-code/8526)

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**Author:** [@lijian\_cug](https://discourse.paraview.org/u/lijian_cug)\
**Replies:** 1\
**Last updated:** [December 1, 2021, 4:33pm UTC](https://discourse.paraview.org/t/can-i-conduct-python-control-pv-in-catalyst-adaptor-code/8526 "2021-12-01T16:33:51Z")

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Dear Developers: Can I program in Catalyst Adaptor python code to control some actions in ParaView? Because I want to implement some controlling in the live visualization, which will be transmitted into my CAVE VR syste…

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## [Determine percentage of colors in slice](https://discourse.paraview.org/t/determine-percentage-of-colors-in-slice/7693)

<div class="topic-metadata">

**Author:** [@psad](https://discourse.paraview.org/u/psad)\
**Replies:** 1\
**Last updated:** [August 2, 2021, 8:15am UTC](https://discourse.paraview.org/t/determine-percentage-of-colors-in-slice/7693 "2021-08-02T08:15:01Z")

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Hi everyone, I am a beginner in paraview and need help. I have an issue and I dont know if I can solve it in Paraview. I have make a slice of my sample and want to determine the percentages of the colors of the slice. …

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## [How to discard NaN value datasets using Python shell?](https://discourse.paraview.org/t/how-to-discard-nan-value-datasets-using-python-shell/9658)

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**Author:** [@mario119](https://discourse.paraview.org/u/mario119)\
**Replies:** 0\
**Last updated:** [May 22, 2022, 10:45pm UTC](https://discourse.paraview.org/t/how-to-discard-nan-value-datasets-using-python-shell/9658 "2022-05-22T22:45:59Z")

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I tried to interpolate my dataset but after interpolating it, some dataset resulted in NaN values. In order to discard the dataset, I need to make a ’ if ’ conditional part to save only real numbers. From the resulted …

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## [Duplicated block names from valid Exodus II polyhedral mesh file](https://discourse.paraview.org/t/duplicated-block-names-from-valid-exodus-ii-polyhedral-mesh-file/518)

<div class="topic-metadata">

**Author:** [@raovgarimella](https://discourse.paraview.org/u/raovgarimella)\
**Replies:** 0\
**Last updated:** [September 4, 2018, 5:28pm UTC](https://discourse.paraview.org/t/duplicated-block-names-from-valid-exodus-ii-polyhedral-mesh-file/518 "2018-09-04T17:28:52Z")

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When I read in an Exodus II file with three polygonal blocks named POLYGON\_BLOCK\_1, POLYGON\_BLOCK\_2 and POLYGON\_BLOCK\_3, Paraview (5.5.2) shows me POLYGON\_BLOCK\_1, POLYGON\_BLOCK\_1, POLYGON\_BLOCK\_2 in the Blocks list (Not…

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## [Saving a RGB numpy array into \*.vtk for visualisation](https://discourse.paraview.org/t/saving-a-rgb-numpy-array-into-vtk-for-visualisation/12425)

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**Author:** [@rkenko](https://discourse.paraview.org/u/rkenko)\
**Replies:** 0\
**Last updated:** [July 1, 2023, 5:27am UTC](https://discourse.paraview.org/t/saving-a-rgb-numpy-array-into-vtk-for-visualisation/12425 "2023-07-01T05:27:43Z")

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Hi, i wonder if it is possible in a simple way, to save a 3D RGB (so 4D) numpy array into the \*.vtk format readable by paraview. I used to work on grayscale images and this small command did the trick: arr = np.random.r…

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## [Paraview always indent children configuration option](https://discourse.paraview.org/t/paraview-always-indent-children-configuration-option/8435)

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**Author:** [@Paul\_Gruenbacher](https://discourse.paraview.org/u/Paul_Gruenbacher)\
**Replies:** 0\
**Last updated:** [November 18, 2021, 6:43pm UTC](https://discourse.paraview.org/t/paraview-always-indent-children-configuration-option/8435 "2021-11-18T18:43:56Z")

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For our custom configured paraview application it’d be nice to be able to configure paraview so that indentation occurs for \>0 children instead of \> 1 children in the pipeline treeView class. For small pipeline needs it …

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## [time-based camera animation](https://discourse.paraview.org/t/time-based-camera-animation/3867)

<div class="topic-metadata">

**Author:** [@jfavre](https://discourse.paraview.org/u/jfavre)\
**Replies:** 0\
**Last updated:** [March 23, 2020, 12:35pm UTC](https://discourse.paraview.org/t/time-based-camera-animation/3867 "2020-03-23T12:35:10Z")

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I wish to use different forms of camera animations during an in-situ run. But I find very little information in the ParaViewCatalystGuide (v5.8),or the source examples, on the topic. For example, I don’t see any way of u…

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## [Paraview crashing while opening a legacy .vti file](https://discourse.paraview.org/t/paraview-crashing-while-opening-a-legacy-vti-file/2392)

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**Author:** [@ShashiRatnakar](https://discourse.paraview.org/u/ShashiRatnakar)\
**Replies:** 0\
**Last updated:** [August 9, 2019, 1:48pm UTC](https://discourse.paraview.org/t/paraview-crashing-while-opening-a-legacy-vti-file/2392 "2019-08-09T13:48:31Z")

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Hello, I’ve created a .vti legacy file using C. It contains an unstructured grid with 90 POINTS(nodes), and 36 CELLS(elements). Each CELL is made of 8 POINTS. Each time I open Paraview and click on my .vti file to open…

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## [Dimensions of fragments from exploding cases in CTH](https://discourse.paraview.org/t/dimensions-of-fragments-from-exploding-cases-in-cth/1445)

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**Author:** [@Dave](https://discourse.paraview.org/u/Dave)\
**Replies:** 0\
**Last updated:** [March 12, 2019, 8:15am UTC](https://discourse.paraview.org/t/dimensions-of-fragments-from-exploding-cases-in-cth/1445 "2019-03-12T08:15:02Z")

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Hi, I have successfully interigated my CTH simulations to get fragment masses, volumes, velocities etc, but I still need the fragments’ dimensions. Has anyone written a script to do this? The dimensions of the fragmen…

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## [How to install Qt 5.15.3? Only have access to 5.15.2 in Qt maintenance tool](https://discourse.paraview.org/t/how-to-install-qt-5-15-3-only-have-access-to-5-15-2-in-qt-maintenance-tool/14544)

<div class="topic-metadata">

**Author:** [@TaterTot](https://discourse.paraview.org/u/TaterTot)\
**Replies:** 1\
**Last updated:** [May 2, 2024, 7:42pm UTC](https://discourse.paraview.org/t/how-to-install-qt-5-15-3-only-have-access-to-5-15-2-in-qt-maintenance-tool/14544 "2024-05-02T19:42:15Z")

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You can see my picture attached that I only have access to 5.15.2 would this work? If not how do I install 5.15.3

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## [Issue Loading Saved State File (PVSM) in ParaView](https://discourse.paraview.org/t/issue-loading-saved-state-file-pvsm-in-paraview/14100)

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**Author:** [@Bilal\_Fareed](https://discourse.paraview.org/u/Bilal_Fareed)\
**Replies:** 2\
**Last updated:** [March 8, 2024, 3:45am UTC](https://discourse.paraview.org/t/issue-loading-saved-state-file-pvsm-in-paraview/14100 "2024-03-08T03:45:09Z")

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Hello, I am writing to report an issue I encountered while attempting to load a saved state file (.pvsm) in ParaView. Upon loading, I received the following error message: “algorithm vtk file series reader returned fail…

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## [SLURM srun/sbatch : How to launch pvserver](https://discourse.paraview.org/t/slurm-srun-sbatch-how-to-launch-pvserver/9543)

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**Author:** [@Nicholas\_Yue](https://discourse.paraview.org/u/Nicholas_Yue)\
**Replies:** 0\
**Last updated:** [April 29, 2022, 11:04pm UTC](https://discourse.paraview.org/t/slurm-srun-sbatch-how-to-launch-pvserver/9543 "2022-04-29T23:04:46Z")

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I am able to run mpiexec on pvserver I am wondering how I can do something similar via SLURM. Thank you.

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## [Connecting points to be lines](https://discourse.paraview.org/t/connecting-points-to-be-lines/9435)

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**Author:** [@Crown](https://discourse.paraview.org/u/Crown)\
**Replies:** 0\
**Last updated:** [April 15, 2022, 3:43am UTC](https://discourse.paraview.org/t/connecting-points-to-be-lines/9435 "2022-04-15T03:43:48Z")

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I have several 2D lines I am trying to display together as shown in the attached proceedings-02-00664-v2 (3).pdf (555.8 KB) However, I want the figures to be solid lines and not points. Kindly assist me. Thank you

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## [Rescale Axis](https://discourse.paraview.org/t/rescale-axis/5991)

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**Author:** [@KB92](https://discourse.paraview.org/u/KB92)\
**Replies:** 0\
**Last updated:** [December 6, 2020, 1:50pm UTC](https://discourse.paraview.org/t/rescale-axis/5991 "2020-12-06T13:50:38Z")

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Hello, my data is plotted on x-axis range 0-0.5. I used transform filter to rescale my x-axis with a factor of 0.0006 and hence the x-axis range becomes 0-0.0003. But when I plot my data on the transformed x-axis I get r…

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## [Isosurface to python view](https://discourse.paraview.org/t/isosurface-to-python-view/4416)

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**Author:** [@Argyris\_Apostolidis](https://discourse.paraview.org/u/Argyris_Apostolidis)\
**Replies:** 0\
**Last updated:** [May 26, 2020, 11:44am UTC](https://discourse.paraview.org/t/isosurface-to-python-view/4416 "2020-05-26T11:44:47Z")

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Hello, I would like to ask if it is possible to plot in python view (matplotlib) a 3d isosurface or anything else that I have in my 3d view? Thank you in advance, Argyris

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## [problems to animate particles from a dem based model](https://discourse.paraview.org/t/problems-to-animate-particles-from-a-dem-based-model/2000)

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**Author:** [@hgropelli](https://discourse.paraview.org/u/hgropelli)\
**Replies:** 0\
**Last updated:** [June 6, 2019, 3:37pm UTC](https://discourse.paraview.org/t/problems-to-animate-particles-from-a-dem-based-model/2000 "2019-06-06T15:37:28Z")

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Hello! im new on paraview, actually i use GiD for post processing and im doing a process to adapt my models from fortran which give gid outputs to paraview. In this simulation, the particles arent moving, they stay stat…

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## [Notify proxy from remote object impossible, vtkProcessModule::GetGlobalController() is NULL](https://discourse.paraview.org/t/notify-proxy-from-remote-object-impossible-vtkprocessmodule-getglobalcontroller-is-null/876)

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**Author:** [@Patrick](https://discourse.paraview.org/u/Patrick)\
**Replies:** 0\
**Last updated:** [November 9, 2018, 8:07pm UTC](https://discourse.paraview.org/t/notify-proxy-from-remote-object-impossible-vtkprocessmodule-getglobalcontroller-is-null/876 "2018-11-09T20:07:42Z")

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Hello, I try to send a notification from a server side object to it’s client side proxy. In the server side object I execute: vtkPVSessionBase \*session=vtkPVSessionBase::SafeDownCast( vtkProcessModule::GetProcessModu…

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## [Streamlines with max integration time](https://discourse.paraview.org/t/streamlines-with-max-integration-time/15948)

<div class="topic-metadata">

**Author:** [@giorgianig](https://discourse.paraview.org/u/giorgianig)\
**Replies:** 7\
**Last updated:** [January 7, 2025, 1:15pm UTC](https://discourse.paraview.org/t/streamlines-with-max-integration-time/15948 "2025-01-07T13:15:28Z")

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I would like to display streamlines with a fixed maximum integration time. Is that possible? Thanks in advance.

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## [Paraview Glyph using in or out of plane symbols](https://discourse.paraview.org/t/paraview-glyph-using-in-or-out-of-plane-symbols/10904)

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**Author:** [@yejinhong10](https://discourse.paraview.org/u/yejinhong10)\
**Replies:** 1\
**Last updated:** [December 5, 2022, 9:15am UTC](https://discourse.paraview.org/t/paraview-glyph-using-in-or-out-of-plane-symbols/10904 "2022-12-05T09:15:11Z")

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Hello, I am a newbie for ParaView and thank you guys for your help! I am trying to visualize using in or out of plane symbols and if there is a way to make Glyph Type of these symbols? Thanks

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## [ParaView online courses in October](https://discourse.paraview.org/t/paraview-online-courses-in-october/7769)

<div class="topic-metadata">

**Author:** [@mwestphal](https://discourse.paraview.org/u/mwestphal)\
**Replies:** 0\
**Last updated:** [August 5, 2021, 10:12am UTC](https://discourse.paraview.org/t/paraview-online-courses-in-october/7769 "2021-08-05T10:12:51Z")

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ParaView online courses coming up in October, CET Times. ParaView User: ParaView User Training | Kitware Europe ParaView Advanced: ParaView Advanced Training | Kitware Europe This will be the perfect place to learn ab…

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## [Color Particles by Related Dataset](https://discourse.paraview.org/t/color-particles-by-related-dataset/6453)

<div class="topic-metadata">

**Author:** [@WEsToMIL](https://discourse.paraview.org/u/WEsToMIL)\
**Replies:** 0\
**Last updated:** [February 12, 2021, 6:30pm UTC](https://discourse.paraview.org/t/color-particles-by-related-dataset/6453 "2021-02-12T18:30:23Z")

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Hi I have two data sets. The first consists of point data where each point also has an attribute called “region”. Basically, it looks like this: id points region 0 1 1 1 0 1 2 2 2 0 2 3 3 3 1 3 4 4 4 1 …

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## [ParaView crash with case file](https://discourse.paraview.org/t/paraview-crash-with-case-file/14725)

<div class="topic-metadata">

**Author:** [@Roshith\_Mittakolu](https://discourse.paraview.org/u/Roshith_Mittakolu)\
**Replies:** 3\
**Last updated:** [May 31, 2024, 7:38am UTC](https://discourse.paraview.org/t/paraview-crash-with-case-file/14725 "2024-05-31T07:38:13Z")

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Hello Mathieu, I am trying to load my cas.h5 along with the dat.h5 as you have mentioned. However, Paraview crashes when I do File-\>open-\>xxx.cas.h5-\>select FluentCFFReader → Apply. Can I know how did you get it to wor…

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## [How to export animation where last frame needs to be "held" for certain amount of time](https://discourse.paraview.org/t/how-to-export-animation-where-last-frame-needs-to-be-held-for-certain-amount-of-time/13874)

<div class="topic-metadata">

**Author:** [@GregVernon](https://discourse.paraview.org/u/GregVernon)\
**Replies:** 3\
**Last updated:** [February 6, 2024, 10:23am UTC](https://discourse.paraview.org/t/how-to-export-animation-where-last-frame-needs-to-be-held-for-certain-amount-of-time/13874 "2024-02-06T10:23:04Z")

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I’ve got a nonlinear statics simulation that runs from time = \[0.0, 1.0\] using adaptive step sizes (though the adaptivity doesn’t matter). Because these steps are large, nearly 10% of the deformation is captured in the …

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## [How to adapt nicely the text (legend, ..) to Latex document? ](https://discourse.paraview.org/t/how-to-adapt-nicely-the-text-legend-to-latex-document/9411)

<div class="topic-metadata">

**Author:** [@joamarichal](https://discourse.paraview.org/u/joamarichal)\
**Replies:** 0\
**Last updated:** [April 12, 2022, 11:38am UTC](https://discourse.paraview.org/t/how-to-adapt-nicely-the-text-legend-to-latex-document/9411 "2022-04-12T11:38:09Z")

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How should I save my figures as to have similar fonts and sizes as my Latex document?

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## [Plot data over time on a selected points.](https://discourse.paraview.org/t/plot-data-over-time-on-a-selected-points/9264)

<div class="topic-metadata">

**Author:** [@Ingineering\_DjouFEA](https://discourse.paraview.org/u/Ingineering_DjouFEA)\
**Replies:** 0\
**Last updated:** [March 23, 2022, 1:44pm UTC](https://discourse.paraview.org/t/plot-data-over-time-on-a-selected-points/9264 "2022-03-23T13:44:57Z")

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Hello everyone. I would like to plot the solution as a function of time at a carefully chosen point. Only, so far, the selection of the point is manual (select points (d)). I would like to know if there is a way to ent…

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## [Accessing Exodus Sideset nodes](https://discourse.paraview.org/t/accessing-exodus-sideset-nodes/379)

<div class="topic-metadata">

**Author:** [@DennisConklin](https://discourse.paraview.org/u/DennisConklin)\
**Replies:** 0\
**Last updated:** [July 31, 2018, 6:56pm UTC](https://discourse.paraview.org/t/accessing-exodus-sideset-nodes/379 "2018-07-31T18:56:31Z")

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All, I would like to access the nodes of a particular sideset in an Exodus multiblock dataset. If I load that sideset Paraview creates a set of quads that pave the sideset. How can I access this set and know that it…

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## [How to remove the boundary between different types of mesh](https://discourse.paraview.org/t/how-to-remove-the-boundary-between-different-types-of-mesh/11734)

<div class="topic-metadata">

**Author:** [@pearlpirate](https://discourse.paraview.org/u/pearlpirate)\
**Replies:** 1\
**Last updated:** [March 28, 2023, 11:42am UTC](https://discourse.paraview.org/t/how-to-remove-the-boundary-between-different-types-of-mesh/11734 "2023-03-28T11:42:26Z")

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Hello there, I’m currently using paraview to post-processing my data from Fluent. I exported the data in CGNS format. I use a combination of structured and unstructured mesh which are connected by an interface. When I d…

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## [Issues of loading state downloaded from drive](https://discourse.paraview.org/t/issues-of-loading-state-downloaded-from-drive/14177)

<div class="topic-metadata">

**Author:** [@wesleyz](https://discourse.paraview.org/u/wesleyz)\
**Replies:** 4\
**Last updated:** [March 19, 2024, 1:06am UTC](https://discourse.paraview.org/t/issues-of-loading-state-downloaded-from-drive/14177 "2024-03-19T01:06:39Z")

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Hi all, I have an issue of loading the state downloaded from the drive. I have two files on my PC, one is the data file, and the other is the state file. I am able to open the data file. When I try to open the state fi…

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## [Challenges trying to Voxelize VTP unstructured data from DEM Simulation](https://discourse.paraview.org/t/challenges-trying-to-voxelize-vtp-unstructured-data-from-dem-simulation/15697)

<div class="topic-metadata">

**Author:** [@jiujitsu11](https://discourse.paraview.org/u/jiujitsu11)\
**Replies:** 6\
**Last updated:** [November 8, 2024, 3:42pm UTC](https://discourse.paraview.org/t/challenges-trying-to-voxelize-vtp-unstructured-data-from-dem-simulation/15697 "2024-11-08T15:42:25Z")

</div>

Hi, I am having trouble finding a solution for this problem. I have a VTP dataset from a DEM simulation in MFIX. These are particle positions and other metrics as a function of time. I would like to map this informati…

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## [Feature Edge placing edges at processor boundary after PassArrays filter](https://discourse.paraview.org/t/feature-edge-placing-edges-at-processor-boundary-after-passarrays-filter/7796)

<div class="topic-metadata">

**Author:** [@zwilde](https://discourse.paraview.org/u/zwilde)\
**Replies:** 0\
**Last updated:** [August 10, 2021, 4:12pm UTC](https://discourse.paraview.org/t/feature-edge-placing-edges-at-processor-boundary-after-passarrays-filter/7796 "2021-08-10T16:12:39Z")

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I am trying to extract the edges from a feature in CTH. I MergeBlocks, CleanToGrid, ExtractSurface, and then use FeatureEdges. I am using PassArrays to only pass arrays necessary for additional steps. After I do this, t…

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## [How to visualize a field on an internal surface](https://discourse.paraview.org/t/how-to-visualize-a-field-on-an-internal-surface/13666)

<div class="topic-metadata">

**Author:** [@Giulian](https://discourse.paraview.org/u/Giulian)\
**Replies:** 2\
**Last updated:** [January 11, 2024, 5:47pm UTC](https://discourse.paraview.org/t/how-to-visualize-a-field-on-an-internal-surface/13666 "2024-01-11T17:47:52Z")

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Dear ParaView community, I recently simulate the EM scattering of a metallic sphere in a medium. I would like to visualize the EM field on the surface of the sphere which is inside the medium. Do you know which kind of …

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## [How to hide filter from menu, but still can be used in background](https://discourse.paraview.org/t/how-to-hide-filter-from-menu-but-still-can-be-used-in-background/12839)

<div class="topic-metadata">

**Author:** [@sharon](https://discourse.paraview.org/u/sharon)\
**Replies:** 2\
**Last updated:** [September 16, 2023, 12:06am UTC](https://discourse.paraview.org/t/how-to-hide-filter-from-menu-but-still-can-be-used-in-background/12839 "2023-09-16T00:06:15Z")

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Dear Experts, i have a filter which is used to process some input files, i just used from programing, which is triggered by context user, but i found it will be shown in filter menu, which is not expected result. so my…

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## [Unable to Extract Coordinate Data](https://discourse.paraview.org/t/unable-to-extract-coordinate-data/12247)

<div class="topic-metadata">

**Author:** [@Anubhav\_Dhyani](https://discourse.paraview.org/u/Anubhav_Dhyani)\
**Replies:** 2\
**Last updated:** [June 7, 2023, 5:40pm UTC](https://discourse.paraview.org/t/unable-to-extract-coordinate-data/12247 "2023-06-07T17:40:45Z")

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I just started using Paraview. I have a dataset with flowfields in .vtu format. I opened them in Paraview and I am facing the following issues: Most of my functions including filters, and extractors are greyed out and …

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## [Provide Your Thoughts on Kitware's Training Courses](https://discourse.paraview.org/t/provide-your-thoughts-on-kitwares-training-courses/11667)

<div class="topic-metadata">

**Author:** [@cory.quammen](https://discourse.paraview.org/u/cory.quammen)\
**Replies:** 1\
**Last updated:** [April 3, 2023, 3:18pm UTC](https://discourse.paraview.org/t/provide-your-thoughts-on-kitwares-training-courses/11667 "2023-04-03T15:18:10Z")

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Kitware is looking for input about our paid public training courses. Our goal is to offer the highest quality, most relevant training material to help users and developers become experts with our popular open source soft…

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## [ParaView/VTK LLDB pretty printers](https://discourse.paraview.org/t/paraview-vtk-lldb-pretty-printers/10096)

<div class="topic-metadata">

**Author:** [@Artem\_Bodrin](https://discourse.paraview.org/u/Artem_Bodrin)\
**Replies:** 1\
**Last updated:** [September 7, 2022, 9:13pm UTC](https://discourse.paraview.org/t/paraview-vtk-lldb-pretty-printers/10096 "2022-09-07T21:13:00Z")

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It would be nice if anyone share them, if they exist, of course :slight\_smile:

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## [An error occured when I open a .pvtr file](https://discourse.paraview.org/t/an-error-occured-when-i-open-a-pvtr-file/9637)

<div class="topic-metadata">

**Author:** [@xiaowang119](https://discourse.paraview.org/u/xiaowang119)\
**Replies:** 1\
**Last updated:** [May 16, 2022, 4:54pm UTC](https://discourse.paraview.org/t/an-error-occured-when-i-open-a-pvtr-file/9637 "2022-05-16T16:54:32Z")

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ERROR: In /builds/gitlab-kitware-sciviz-ci/build/superbuild/paraview/src/VTK/IO/XML/vtkXMLPStructuredDataReader.cxx, line 269 vtkXMLPRectilinearGridReader (0x15c8dbb0): Piece 0 has invalid Extent. And my dataset is fol…

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## [OS Error with undefined symbol in MeshReader\_SM.so](https://discourse.paraview.org/t/os-error-with-undefined-symbol-in-meshreader-sm-so/7989)

<div class="topic-metadata">

**Author:** [@rasunag27](https://discourse.paraview.org/u/rasunag27)\
**Replies:** 1\
**Last updated:** [September 17, 2021, 8:15am UTC](https://discourse.paraview.org/t/os-error-with-undefined-symbol-in-meshreader-sm-so/7989 "2021-09-17T08:15:31Z")

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Dear All, I am working with OpenFOAM v5 and I am trying to automate the simulations based on input request provided to flask. For this purpose, I have created a python file for flask and have provided the OpenFOAM func…

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## [What is ParaWeb?](https://discourse.paraview.org/t/what-is-paraweb/15747)

<div class="topic-metadata">

**Author:** [@ANON1](https://discourse.paraview.org/u/ANON1)\
**Replies:** 3\
**Last updated:** [November 20, 2024, 2:16am UTC](https://discourse.paraview.org/t/what-is-paraweb/15747 "2024-11-20T02:16:00Z")

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Hello, I’ve seen this figure on the ParaView tutorial: I tried to search about ParaWeb, but can’t find anything. Is it a typo, and does it actually mean ParaViewWeb instead? Thanks

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## [Filtering by cell/point ID](https://discourse.paraview.org/t/filtering-by-cell-point-id/15694)

<div class="topic-metadata">

**Author:** [@Bryce\_Richards](https://discourse.paraview.org/u/Bryce_Richards)\
**Replies:** 3\
**Last updated:** [November 7, 2024, 5:13pm UTC](https://discourse.paraview.org/t/filtering-by-cell-point-id/15694 "2024-11-07T17:13:33Z")

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I’m using the paraview’s python scripting capability. I’m looking for a way to filter data by cell and/or point ID, so that a chain of filters where only a subset of the mesh is of interest can run more quickly. We are u…

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## [Desired region extraction from a flow field/domain.](https://discourse.paraview.org/t/desired-region-extraction-from-a-flow-field-domain/13241)

<div class="topic-metadata">

**Author:** [@idrees](https://discourse.paraview.org/u/idrees)\
**Replies:** 3\
**Last updated:** [November 14, 2023, 10:10am UTC](https://discourse.paraview.org/t/desired-region-extraction-from-a-flow-field-domain/13241 "2023-11-14T10:10:04Z")

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Ciao tutti, I uploaded a vtk file (of flow field/domain of the sea bed) and a porous cylinder of stl file. I scaled the cylinder into the center of the flow field. now I am interested to only extract the flow region …

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## [If I want to know the stress of a node of the element, such as when AVG is set to 0% in ABAQUS, can paraview do it and how](https://discourse.paraview.org/t/if-i-want-to-know-the-stress-of-a-node-of-the-element-such-as-when-avg-is-set-to-0-in-abaqus-can-paraview-do-it-and-how/8084)

<div class="topic-metadata">

**Author:** [@flow\_zhang](https://discourse.paraview.org/u/flow_zhang)\
**Replies:** 0\
**Last updated:** [September 27, 2021, 8:43am UTC](https://discourse.paraview.org/t/if-i-want-to-know-the-stress-of-a-node-of-the-element-such-as-when-avg-is-set-to-0-in-abaqus-can-paraview-do-it-and-how/8084 "2021-09-27T08:43:41Z")

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As we know, stress and strain are calculated through the derivatives of displacement and shape function. Therefore, the stress extrapolated from different elements at the same node is different. How to render if I want t…

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## [How to display stream lines from 3D vector field with tvtk and Python](https://discourse.paraview.org/t/how-to-display-stream-lines-from-3d-vector-field-with-tvtk-and-python/7162)

<div class="topic-metadata">

**Author:** [@randalljames](https://discourse.paraview.org/u/randalljames)\
**Replies:** 0\
**Last updated:** [May 6, 2021, 2:00pm UTC](https://discourse.paraview.org/t/how-to-display-stream-lines-from-3d-vector-field-with-tvtk-and-python/7162 "2021-05-06T14:00:15Z")

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Hi all, I am trying to visualize stream lines from 3D velocity fields in a format lets say 10x10x100x100x3 where I have ten time steps, ten slices, 100x100 pixels inplane resolution and 3 vector components for each voxel…

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## [Is there a filter that can be used to average slices?](https://discourse.paraview.org/t/is-there-a-filter-that-can-be-used-to-average-slices/6203)

<div class="topic-metadata">

**Author:** [@randomwangran](https://discourse.paraview.org/u/randomwangran)\
**Replies:** 0\
**Last updated:** [January 11, 2021, 7:28pm UTC](https://discourse.paraview.org/t/is-there-a-filter-that-can-be-used-to-average-slices/6203 "2021-01-11T19:28:03Z")

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In the following example, a user would be expected to have such a filter. It takes the slices objects as input arguments the output would be the spatial mean of them. This filter would be good for scientific researche…

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