# Top

**URL:** https://discourse.paraview.org/top.md?page=130&period=all

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**Page:** 131

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## [Catalyst2 and grouping output](https://discourse.paraview.org/t/catalyst2-and-grouping-output/13224)

<div class="topic-metadata">

**Author:** [@zetwal](https://discourse.paraview.org/u/zetwal)\
**Replies:** 3\
**Last updated:** [November 10, 2023, 4:36pm UTC](https://discourse.paraview.org/t/catalyst2-and-grouping-output/13224 "2023-11-10T16:36:59Z")

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Hello I’m using the gridwriter.py sample script to write data out from Catalyst. The issue is as the number of ranks increases, the number of output files also goes up. Is there a way to group data from several ranks to…

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## [Clipping producing twice the amount of data](https://discourse.paraview.org/t/clipping-producing-twice-the-amount-of-data/15470)

<div class="topic-metadata">

**Author:** [@homan95](https://discourse.paraview.org/u/homan95)\
**Replies:** 3\
**Last updated:** [September 30, 2024, 4:51pm UTC](https://discourse.paraview.org/t/clipping-producing-twice-the-amount-of-data/15470 "2024-09-30T16:51:05Z")

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Hi guys I am currently using ParaView 5.13, and I am in a situation where I have a set of points and I have to extract those that are from 0-120m. However, upon applying the clip filter, I found out that the number of p…

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## [PyWebVue cannot run Paraview ContourGeometry example](https://discourse.paraview.org/t/pywebvue-cannot-run-paraview-contourgeometry-example/8620)

<div class="topic-metadata">

**Author:** [@Trophime](https://discourse.paraview.org/u/Trophime)\
**Replies:** 1\
**Last updated:** [December 14, 2021, 6:33pm UTC](https://discourse.paraview.org/t/pywebvue-cannot-run-paraview-contourgeometry-example/8620 "2021-12-14T18:33:33Z")

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Hi, I’m testing pywebvue project with Paraview 5.10 rc release. I have some trouble running Paraview ContourGeometry example: I have modified the paraview package from debian Testing to ship accelratedalgorithms plug…

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## [Data Arrays Not Checked On By Default](https://discourse.paraview.org/t/data-arrays-not-checked-on-by-default/1680)

<div class="topic-metadata">

**Author:** [@Aandreyev](https://discourse.paraview.org/u/Aandreyev)\
**Replies:** 0\
**Last updated:** [April 16, 2019, 9:38pm UTC](https://discourse.paraview.org/t/data-arrays-not-checked-on-by-default/1680 "2019-04-16T21:38:56Z")

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Hi all, I have a slight issue with a reader that I have written. When I open the file, all of the data (cell data) is unchecked by default. This would not be be a big deal if it weren’t for the fact that it causes probl…

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## [vall restarted](https://discourse.paraview.org/t/vall-restarted/976)

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**Author:** [@cory.quammen](https://discourse.paraview.org/u/cory.quammen)\
**Replies:** 0\
**Last updated:** [November 28, 2018, 3:43pm UTC](https://discourse.paraview.org/t/vall-restarted/976 "2018-11-28T15:43:31Z")

</div>

vall was not running dashboards since about November 22. I have restarted buildbot on it and it is working through a backlog of builds.

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## [Catalyst2: Artifacts on Processes Boundaries](https://discourse.paraview.org/t/catalyst2-artifacts-on-processes-boundaries/13489)

<div class="topic-metadata">

**Author:** [@cartagena](https://discourse.paraview.org/u/cartagena)\
**Replies:** 4\
**Last updated:** [December 14, 2023, 1:44pm UTC](https://discourse.paraview.org/t/catalyst2-artifacts-on-processes-boundaries/13489 "2023-12-14T13:44:45Z")

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I am trying to visualize a particle simulation with in-situ Catalyst2 support, and while it is correct on single core (produced image is consistent with what ParaView creates), in multi-core setting I am getting artifact…

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## [aggregate points from trajectory not working](https://discourse.paraview.org/t/aggregate-points-from-trajectory-not-working/16759)

<div class="topic-metadata">

**Author:** [@Ber131](https://discourse.paraview.org/u/Ber131)\
**Replies:** 6\
**Last updated:** [June 23, 2025, 10:37am UTC](https://discourse.paraview.org/t/aggregate-points-from-trajectory-not-working/16759 "2025-06-23T10:37:57Z")

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Hello Lidarviewers - i’m quite new to this and apologies if this has been asked before, but I just cannot get it working: Im using a Robosense RS16 to SLAM a dense point cloud. with the Lidarview 5.1.0 the slam works a…

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## [Glyphs displayed not in all elements](https://discourse.paraview.org/t/glyphs-displayed-not-in-all-elements/13199)

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**Author:** [@Andr](https://discourse.paraview.org/u/Andr)\
**Replies:** 3\
**Last updated:** [November 6, 2023, 3:12pm UTC](https://discourse.paraview.org/t/glyphs-displayed-not-in-all-elements/13199 "2023-11-06T15:12:39Z")

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Hello. I have a exodus file, where data for local axes are defined. It’s 3 numbers for each axis vector. But for some elements glyphs are missed. Help me please with this issue: how to display glyphs for all elements. …

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## [VTK Polyhedra and Ghost Points](https://discourse.paraview.org/t/vtk-polyhedra-and-ghost-points/4224)

<div class="topic-metadata">

**Author:** [@woodring](https://discourse.paraview.org/u/woodring)\
**Replies:** 0\
**Last updated:** [April 29, 2020, 10:59pm UTC](https://discourse.paraview.org/t/vtk-polyhedra-and-ghost-points/4224 "2020-04-29T22:59:34Z")

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I’ve developed a reader that uses the VTK Polyhedra type because the base cell type in the source data fit (boundary representation cell). Though, I seem to be having issues with ghost points. I’ve applied what I think …

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## [\[Support\] Cannot find DataItem element in topology xml, no caching possible ?](https://discourse.paraview.org/t/support-cannot-find-dataitem-element-in-topology-xml-no-caching-possible/942)

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**Author:** [@GSS79](https://discourse.paraview.org/u/GSS79)\
**Replies:** 0\
**Last updated:** [November 21, 2018, 12:28am UTC](https://discourse.paraview.org/t/support-cannot-find-dataitem-element-in-topology-xml-no-caching-possible/942 "2018-11-21T00:28:01Z")

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Hi, i’m trying to read some xdmf data in hdf format and i get this error on linux. “Cannot find DataItem element in topology xml, no caching possible” I have been unable to find any info on this except the same questio…

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## [Paraview vtk file visualization failure](https://discourse.paraview.org/t/paraview-vtk-file-visualization-failure/10496)

<div class="topic-metadata">

**Author:** [@Jewel](https://discourse.paraview.org/u/Jewel)\
**Replies:** 1\
**Last updated:** [October 13, 2022, 4:36am UTC](https://discourse.paraview.org/t/paraview-vtk-file-visualization-failure/10496 "2022-10-13T04:36:22Z")

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Hi experts, I try to view a vtk file saved with python (nighres.save\_mesh), paraview can load it, but when I try to view the file, it breaks off. Can anyone tell me how to fix the problem? ( paraview version: 5.7.0-MPI-…

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## [Velocity magnitude distribution not showing properly](https://discourse.paraview.org/t/velocity-magnitude-distribution-not-showing-properly/7482)

<div class="topic-metadata">

**Author:** [@Paulo\_Almeida](https://discourse.paraview.org/u/Paulo_Almeida)\
**Replies:** 1\
**Last updated:** [June 25, 2021, 8:50am UTC](https://discourse.paraview.org/t/velocity-magnitude-distribution-not-showing-properly/7482 "2021-06-25T08:50:37Z")

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Hey guys, whenever I plot the velocity distribution on this wing’s surface, all points are equal to zero. I do know that the velocity magnitude is null in the very first layer of the boundary layer, but I would like to g…

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## [Pause simulation from within driver](https://discourse.paraview.org/t/pause-simulation-from-within-driver/5133)

<div class="topic-metadata">

**Author:** [@Caian](https://discourse.paraview.org/u/Caian)\
**Replies:** 1\
**Last updated:** [August 19, 2020, 10:54am UTC](https://discourse.paraview.org/t/pause-simulation-from-within-driver/5133 "2020-08-19T10:54:24Z")

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Is it possible to trigger a breakpoint or a pause in the simulation from within the application / driver? For instance, any call to CoProcess would wait? Our team also uses ParaView during the validation of our software,…

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## [Can't run documentation example for programmable filters](https://discourse.paraview.org/t/cant-run-documentation-example-for-programmable-filters/1702)

<div class="topic-metadata">

**Author:** [@avalade](https://discourse.paraview.org/u/avalade)\
**Replies:** 0\
**Last updated:** [April 19, 2019, 8:59am UTC](https://discourse.paraview.org/t/cant-run-documentation-example-for-programmable-filters/1702 "2019-04-19T08:59:15Z")

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I am just trying to run an example from Paraview 5.6.0 guide section 12.4 : from vtkmodules.vtkCommonDataModel import vtkDataSet from vtkmodules.util.vtkAlgorithm import VTKPythonAlgorithmBase from vtkmodules.numpy\_inte…

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## [octree mesh support](https://discourse.paraview.org/t/octree-mesh-support/337)

<div class="topic-metadata">

**Author:** [@garcfd](https://discourse.paraview.org/u/garcfd)\
**Replies:** 0\
**Last updated:** [July 18, 2018, 1:51pm UTC](https://discourse.paraview.org/t/octree-mesh-support/337 "2018-07-18T13:51:26Z")

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Whats the best way to load an octree mesh into Paraview? Is there a specific VTK format which supports this mesh tye?

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## [How to extract cells that are attached to selected surface?](https://discourse.paraview.org/t/how-to-extract-cells-that-are-attached-to-selected-surface/13208)

<div class="topic-metadata">

**Author:** [@Javen](https://discourse.paraview.org/u/Javen)\
**Replies:** 1\
**Last updated:** [November 28, 2023, 4:15am UTC](https://discourse.paraview.org/t/how-to-extract-cells-that-are-attached-to-selected-surface/13208 "2023-11-28T04:15:04Z")

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Hi, may I ask if it’s possible to extract cells that are attached to selected surfaces? Like extract all boundary cells of a model. Asking as I want to create a figure that boundary cells and interior cells have differe…

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## [defining a path for the moving slice](https://discourse.paraview.org/t/defining-a-path-for-the-moving-slice/12120)

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**Author:** [@atousa3D](https://discourse.paraview.org/u/atousa3D)\
**Replies:** 1\
**Last updated:** [May 17, 2023, 3:03pm UTC](https://discourse.paraview.org/t/defining-a-path-for-the-moving-slice/12120 "2023-05-17T15:03:30Z")

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Hi! I’d like to move a slice through the 3D data volume and animate its track. I was wondering how I can define the path/track on which the slice moves? I tried using view-\>animation view of the slice I have but did not …

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## [Paraview 5.5.2](https://discourse.paraview.org/t/paraview-5-5-2/10307)

<div class="topic-metadata">

**Author:** [@mabrouka](https://discourse.paraview.org/u/mabrouka)\
**Replies:** 1\
**Last updated:** [September 13, 2022, 3:20pm UTC](https://discourse.paraview.org/t/paraview-5-5-2/10307 "2022-09-13T15:20:44Z")

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I\`m trying to show lagrangian particles on paraview from OpenFoam, but I get this error on this version of paraview. Thanks for your help!

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## [Pipeline for rendering vtkMultiBlockDataSet](https://discourse.paraview.org/t/pipeline-for-rendering-vtkmultiblockdataset/12785)

<div class="topic-metadata">

**Author:** [@BotellaA](https://discourse.paraview.org/u/BotellaA)\
**Replies:** 5\
**Last updated:** [August 31, 2023, 5:05pm UTC](https://discourse.paraview.org/t/pipeline-for-rendering-vtkmultiblockdataset/12785 "2023-08-31T17:05:50Z")

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I would like to understand how to render a vtkMultiBlockDataSet made of vertices, lines, polygons and polyhedra. I can load my vtm file into Paraview and it works but I don’t understand what pipeline steps are used to ma…

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## [Paraview cannot read cell arrays containing colon in the name of the field](https://discourse.paraview.org/t/paraview-cannot-read-cell-arrays-containing-colon-in-the-name-of-the-field/14341)

<div class="topic-metadata">

**Author:** [@marhatom](https://discourse.paraview.org/u/marhatom)\
**Replies:** 3\
**Last updated:** [April 16, 2024, 6:21pm UTC](https://discourse.paraview.org/t/paraview-cannot-read-cell-arrays-containing-colon-in-the-name-of-the-field/14341 "2024-04-16T18:21:14Z")

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OpenFOAM sometimes uses name prefixes of the function object infront of the outputed field, like this functionObject:field Paraview is then completely oblivious to these fields. Weird things is, it only happens on Win…

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## [extract the wall in 3D](https://discourse.paraview.org/t/extract-the-wall-in-3d/14668)

<div class="topic-metadata">

**Author:** [@xq520](https://discourse.paraview.org/u/xq520)\
**Replies:** 6\
**Last updated:** [June 4, 2024, 8:22am UTC](https://discourse.paraview.org/t/extract-the-wall-in-3d/14668 "2024-06-04T08:22:34Z")

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Hello, I want to extract the wall in 3D, the filter feature edge is in 2D, but what can I use in 3D to get surface wall?

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## [Default settings of legend not saved?](https://discourse.paraview.org/t/default-settings-of-legend-not-saved/11480)

<div class="topic-metadata">

**Author:** [@PetrKryslUCSD](https://discourse.paraview.org/u/PetrKryslUCSD)\
**Replies:** 2\
**Last updated:** [February 24, 2023, 4:26pm UTC](https://discourse.paraview.org/t/default-settings-of-legend-not-saved/11480 "2023-02-24T16:26:58Z")

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I am setting the position of the legend as Then I click the button in the lower-left corner of the dialog to save as default. Displaying a new field switches the legend position to where it was before (lower right …

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## [Accessing PBR parameters in a programmable filter ?](https://discourse.paraview.org/t/accessing-pbr-parameters-in-a-programmable-filter/9397)

<div class="topic-metadata">

**Author:** [@Vincent\_Rivola](https://discourse.paraview.org/u/Vincent_Rivola)\
**Replies:** 2\
**Last updated:** [April 11, 2022, 8:05am UTC](https://discourse.paraview.org/t/accessing-pbr-parameters-in-a-programmable-filter/9397 "2022-04-11T08:05:51Z")

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In an animation I’d like to change some PBR parameters over time. Is there a way to access the PBR variables inside a programmable filter ? Or would there be another way to do something like this ?

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## [Parallel rendering of pvti files](https://discourse.paraview.org/t/parallel-rendering-of-pvti-files/7733)

<div class="topic-metadata">

**Author:** [@Nicholas\_Yue](https://discourse.paraview.org/u/Nicholas_Yue)\
**Replies:** 2\
**Last updated:** [August 2, 2021, 6:49pm UTC](https://discourse.paraview.org/t/parallel-rendering-of-pvti-files/7733 "2021-08-02T18:49:56Z")

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I am learning how to use Paraview for distributed parallel visualization of pvti files Is there some sample pvti files and instructions I can read up more on ? Cheers

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## [How to set Refinemet in SPHVolumeInterpolator in PvPython](https://discourse.paraview.org/t/how-to-set-refinemet-in-sphvolumeinterpolator-in-pvpython/8245)

<div class="topic-metadata">

**Author:** [@JOJO](https://discourse.paraview.org/u/JOJO)\
**Replies:** 1\
**Last updated:** [October 26, 2021, 2:59pm UTC](https://discourse.paraview.org/t/how-to-set-refinemet-in-sphvolumeinterpolator-in-pvpython/8245 "2021-10-26T14:59:28Z")

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I found the volume refinement is important on SPHVolumeInterpolation. And I can set it easily in GUI. But I can not find this in both the guide and script tracer. Thus, I’d like to ask if there any functions in pvPyho…

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## [particle tracking](https://discourse.paraview.org/t/particle-tracking/5981)

<div class="topic-metadata">

**Author:** [@ValeRomano](https://discourse.paraview.org/u/ValeRomano)\
**Replies:** 1\
**Last updated:** [December 7, 2020, 4:11am UTC](https://discourse.paraview.org/t/particle-tracking/5981 "2020-12-07T04:11:18Z")

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Hi, I have multiple (hundreds) .inp files relative to particle trajectories at different time steps. I’m trying to import them all together in Paraview, since are too many. However, I’m not able to display them. How ca…

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## [ParaView 5.11 compilation issue on VS2017](https://discourse.paraview.org/t/paraview-5-11-compilation-issue-on-vs2017/11218)

<div class="topic-metadata">

**Author:** [@kvankooten](https://discourse.paraview.org/u/kvankooten)\
**Replies:** 4\
**Last updated:** [January 20, 2023, 11:46pm UTC](https://discourse.paraview.org/t/paraview-5-11-compilation-issue-on-vs2017/11218 "2023-01-20T23:46:50Z")

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Hi, I’ve been getting a compilation issue on VS2017 using the tagged 5.11.0 PV release from Gitlab, which was fixed a couple of days ago in the paraview/release branch of VTK: https://gitlab.kitware.com/vtk/vtk/-/commi…

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## [Automatically Centering Camera on Data After Loading in Python Plugin](https://discourse.paraview.org/t/automatically-centering-camera-on-data-after-loading-in-python-plugin/15359)

<div class="topic-metadata">

**Author:** [@SBl](https://discourse.paraview.org/u/SBl)\
**Replies:** 3\
**Last updated:** [September 9, 2024, 4:02pm UTC](https://discourse.paraview.org/t/automatically-centering-camera-on-data-after-loading-in-python-plugin/15359 "2024-09-09T16:02:06Z")

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I’ve recently updated how I load data in my ParaView using a Python plugin and encountered a camera behavior issue. Initially, the workflow was straightforward: The user selects the location of the data. Pressing “Appl…

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## [CellDatatoPointData AngularPeriodicFilter](https://discourse.paraview.org/t/celldatatopointdata-angularperiodicfilter/11369)

<div class="topic-metadata">

**Author:** [@Rigel](https://discourse.paraview.org/u/Rigel)\
**Replies:** 3\
**Last updated:** [February 13, 2023, 10:36am UTC](https://discourse.paraview.org/t/celldatatopointdata-angularperiodicfilter/11369 "2023-02-13T10:36:19Z")

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Hi, ParaView is not capable of applying the CellDatatoPointData filter after the AngularPeriodicFilter: it crashes with the following error: (3653.711s) \[paraview \]vtkGenericDataArray.txx:268 ERR| 27vtkAngula…

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## [how to show stresses in .vtk format for paraview](https://discourse.paraview.org/t/how-to-show-stresses-in-vtk-format-for-paraview/3430)

<div class="topic-metadata">

**Author:** [@d\_sahith11](https://discourse.paraview.org/u/d_sahith11)\
**Replies:** 0\
**Last updated:** [January 28, 2020, 1:09pm UTC](https://discourse.paraview.org/t/how-to-show-stresses-in-vtk-format-for-paraview/3430 "2020-01-28T13:09:36Z")

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need some in help in scripting .vtk file for visualizing stress distribution in paraview… thanks in advance

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## [Visualization of defects in a 3D vector field as loops](https://discourse.paraview.org/t/visualization-of-defects-in-a-3d-vector-field-as-loops/14047)

<div class="topic-metadata">

**Author:** [@abhinavsns](https://discourse.paraview.org/u/abhinavsns)\
**Replies:** 5\
**Last updated:** [March 5, 2024, 10:21am UTC](https://discourse.paraview.org/t/visualization-of-defects-in-a-3d-vector-field-as-loops/14047 "2024-03-05T10:21:53Z")

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I have a 3D vector field data with a scalar that helps me identify regions in the vector field that are not aligned. I can extract the misaligned region with thresholding the scalar. These regions usually form a closed l…

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## [Rendering several vtk files each of which shows part of a domain](https://discourse.paraview.org/t/rendering-several-vtk-files-each-of-which-shows-part-of-a-domain/11397)

<div class="topic-metadata">

**Author:** [@kshariff](https://discourse.paraview.org/u/kshariff)\
**Replies:** 2\
**Last updated:** [February 14, 2023, 12:51pm UTC](https://discourse.paraview.org/t/rendering-several-vtk-files-each-of-which-shows-part-of-a-domain/11397 "2023-02-14T12:51:10Z")

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I am running a astrophysical application (Athena) that outputs .vtk files from different processors (each processor outputs data from its subset of the computational domain) into different directories: id0/ id1/…id127/.…

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## [Fortran/C MPI interface for online picture savings](https://discourse.paraview.org/t/fortran-c-mpi-interface-for-online-picture-savings/6972)

<div class="topic-metadata">

**Author:** [@rw31415](https://discourse.paraview.org/u/rw31415)\
**Replies:** 2\
**Last updated:** [April 20, 2021, 7:17am UTC](https://discourse.paraview.org/t/fortran-c-mpi-interface-for-online-picture-savings/6972 "2021-04-20T07:17:06Z")

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Hello, I’ve been using Paraview for a little while and I love it. So much that I would love to embark it in my code :slight\_smile: I’m running very computationaly expensive simulations of 3d hydrodynamics using Fortran…

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## [Errors when executing connectivity filter in parallel](https://discourse.paraview.org/t/errors-when-executing-connectivity-filter-in-parallel/14477)

<div class="topic-metadata">

**Author:** [@robertsawko](https://discourse.paraview.org/u/robertsawko)\
**Replies:** 7\
**Last updated:** [April 26, 2024, 2:17pm UTC](https://discourse.paraview.org/t/errors-when-executing-connectivity-filter-in-parallel/14477 "2024-04-26T14:17:58Z")

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Hello, Here I am computing my integrals and still being too clever for my own good (i.e. not really very clever at all!). Using trace functionality I built a pipeline that computes some integrals. The source of the dat…

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## [New for paraview web, ask for some functions](https://discourse.paraview.org/t/new-for-paraview-web-ask-for-some-functions/9985)

<div class="topic-metadata">

**Author:** [@THUClifford](https://discourse.paraview.org/u/THUClifford)\
**Replies:** 1\
**Last updated:** [July 18, 2022, 7:59pm UTC](https://discourse.paraview.org/t/new-for-paraview-web-ask-for-some-functions/9985 "2022-07-18T19:59:01Z")

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I am building a web frame by paraview web visualizer, and there are some requests for the frame, and I wonder if paraview web visualizer can realize them, therefore want to ask for your advise: 1.“hover points on” func…

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## [Transfer data from structured mesh to points](https://discourse.paraview.org/t/transfer-data-from-structured-mesh-to-points/9712)

<div class="topic-metadata">

**Author:** [@KB92](https://discourse.paraview.org/u/KB92)\
**Replies:** 1\
**Last updated:** [June 1, 2022, 12:38am UTC](https://discourse.paraview.org/t/transfer-data-from-structured-mesh-to-points/9712 "2022-06-01T00:38:45Z")

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Hello, I have two datasets. 1st dataset is a vtk file imported from OpenFoam and it contains data over a structured mesh. 2nd dataset is a vtk file but has data over the points only. I want to transfer the 1st dataset t…

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## [rotate skybox when raytracing is activated not possible](https://discourse.paraview.org/t/rotate-skybox-when-raytracing-is-activated-not-possible/9565)

<div class="topic-metadata">

**Author:** [@vavo01](https://discourse.paraview.org/u/vavo01)\
**Replies:** 1\
**Last updated:** [May 5, 2022, 9:56am UTC](https://discourse.paraview.org/t/rotate-skybox-when-raytracing-is-activated-not-possible/9565 "2022-05-05T09:56:11Z")

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It is possible to rotate the skybox with Ctrl+Left Button around the Y-axis. But when I enable ray tracing the position of the skybox turns back to its origin and the rotation with Ctrl+Left Button isn’t possible any mor…

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## [Simple exporter plugin development - crash with unable to create class error](https://discourse.paraview.org/t/simple-exporter-plugin-development-crash-with-unable-to-create-class-error/5765)

<div class="topic-metadata">

**Author:** [@Nicholas\_Yue](https://discourse.paraview.org/u/Nicholas_Yue)\
**Replies:** 1\
**Last updated:** [November 13, 2020, 6:23pm UTC](https://discourse.paraview.org/t/simple-exporter-plugin-development-crash-with-unable-to-create-class-error/5765 "2020-11-13T18:23:38Z")

</div>

Hi, I am writing a custom data exporter (writing out \*.nsi files for 3Delight renderer) As Paraview is going through some transition for building plugins and most of the available information via googling refers to the…

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## [Problem with parallel rendering with raytracing and opacity](https://discourse.paraview.org/t/problem-with-parallel-rendering-with-raytracing-and-opacity/2834)

<div class="topic-metadata">

**Author:** [@gilcu2](https://discourse.paraview.org/u/gilcu2)\
**Replies:** 0\
**Last updated:** [October 24, 2019, 10:11am UTC](https://discourse.paraview.org/t/problem-with-parallel-rendering-with-raytracing-and-opacity/2834 "2019-10-24T10:11:29Z")

</div>

I am running in parallel with mpiexec -np 4 pvserver and connect pv to it. If opacity\<1 without raytracing works ok. If opacity=1 with raytracing it is ok. if opacity\<1 and raytracing some overlapped composition is ob…

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## [New Catalyst edition for ParaView 5.6.1](https://discourse.paraview.org/t/new-catalyst-edition-for-paraview-5-6-1/2149)

<div class="topic-metadata">

**Author:** [@Andy\_Bauer](https://discourse.paraview.org/u/Andy_Bauer)\
**Replies:** 0\
**Last updated:** [July 1, 2019, 5:08pm UTC](https://discourse.paraview.org/t/new-catalyst-edition-for-paraview-5-6-1/2149 "2019-07-01T17:08:41Z")

</div>

I’ve been working on a new Catalyst edition that includes particle tracking and other filters that I needed for my one of the simulation codes that I work with. The edition is available at https://github.com/acbauer/Par…

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## [Dashboard Outage Wednesday May 8th](https://discourse.paraview.org/t/dashboard-outage-wednesday-may-8th/1781)

<div class="topic-metadata">

**Author:** [@robert.maynard](https://discourse.paraview.org/u/robert.maynard)\
**Replies:** 0\
**Last updated:** [May 6, 2019, 9:17pm UTC](https://discourse.paraview.org/t/dashboard-outage-wednesday-may-8th/1781 "2019-05-06T21:17:09Z")

</div>

Hi, We are installing another KVM at Kitware, and a collection of the ParaView Dashboards will experience an outage Wednesday morning as we transition them to this hardware. I expect the dashboards to be down between 7:…

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## [Luigi Gmsh update](https://discourse.paraview.org/t/luigi-gmsh-update/615)

<div class="topic-metadata">

**Author:** [@mwestphal](https://discourse.paraview.org/u/mwestphal)\
**Replies:** 0\
**Last updated:** [September 21, 2018, 2:23pm UTC](https://discourse.paraview.org/t/luigi-gmsh-update/615 "2018-09-21T14:23:41Z")

</div>

I just upgraded gmsh on luigi, there should not be any issues but you can safelly ignore gmsh failures if present.

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## [Custom plugin - Requirements for plugin compatible with release \[Windows\]](https://discourse.paraview.org/t/custom-plugin-requirements-for-plugin-compatible-with-release-windows/10972)

<div class="topic-metadata">

**Author:** [@MCO](https://discourse.paraview.org/u/MCO)\
**Replies:** 3\
**Last updated:** [December 14, 2022, 3:57pm UTC](https://discourse.paraview.org/t/custom-plugin-requirements-for-plugin-compatible-with-release-windows/10972 "2022-12-14T15:57:10Z")

</div>

Hi everyone, We plan to developp a plugin, that users may use with the latest release. On Windows, the latest release of paraview (5.11.0) is build with msvc2017, whereas the documentation suggests to setup the dev en…

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## [Why i cannot see properties panel when using vr glass](https://discourse.paraview.org/t/why-i-cannot-see-properties-panel-when-using-vr-glass/5172)

<div class="topic-metadata">

**Author:** [@sharon](https://discourse.paraview.org/u/sharon)\
**Replies:** 0\
**Last updated:** [August 24, 2020, 1:14pm UTC](https://discourse.paraview.org/t/why-i-cannot-see-properties-panel-when-using-vr-glass/5172 "2020-08-24T13:14:16Z")

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Dear All, i am using vr glass and i can see objects rendered by paraview after click button “send to openVR”, but cannot see the properties panel… Do i have to connect control devices? When i changed color from PC, th…

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## [Exporting .txt files for 3D generated volumes in ParaView](https://discourse.paraview.org/t/exporting-txt-files-for-3d-generated-volumes-in-paraview/4876)

<div class="topic-metadata">

**Author:** [@rw20](https://discourse.paraview.org/u/rw20)\
**Replies:** 0\
**Last updated:** [July 17, 2020, 4:08pm UTC](https://discourse.paraview.org/t/exporting-txt-files-for-3d-generated-volumes-in-paraview/4876 "2020-07-17T16:08:54Z")

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Hello, I have generated a 3D volume within in ParaView using the Delaunay 3D filter and wish to export it as .txt file. The .txt files I have generated only store point coordinate data. Is there any way I can generate a…

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## [Wslink version embedded in paraview](https://discourse.paraview.org/t/wslink-version-embedded-in-paraview/9393)

<div class="topic-metadata">

**Author:** [@eino](https://discourse.paraview.org/u/eino)\
**Replies:** 1\
**Last updated:** [April 8, 2022, 4:05pm UTC](https://discourse.paraview.org/t/wslink-version-embedded-in-paraview/9393 "2022-04-08T16:05:01Z")

</div>

Hi, I have downloaded Paraview 5.10.1 (egl version), but had a hard time making some wslink-related code work; and just realized the version of wslink embedded is a few-months old (\< 1.3.0, and for me doesn’t include th…

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## [pvpython client fails to connect to the server](https://discourse.paraview.org/t/pvpython-client-fails-to-connect-to-the-server/8202)

<div class="topic-metadata">

**Author:** [@massisenergy](https://discourse.paraview.org/u/massisenergy)\
**Replies:** 1\
**Last updated:** [October 18, 2021, 9:18am UTC](https://discourse.paraview.org/t/pvpython-client-fails-to-connect-to-the-server/8202 "2021-10-18T09:18:25Z")

</div>

It would be greatly helpful, for automating purposes, to add flags when launching pvpython from the shell. For example, I want to launch pvpython in shell which automatically connects to a host, such as in Paraview GUI …

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## [How do I get a graph of a global variable versus time?](https://discourse.paraview.org/t/how-do-i-get-a-graph-of-a-global-variable-versus-time/7186)

<div class="topic-metadata">

**Author:** [@wei\_peng](https://discourse.paraview.org/u/wei_peng)\
**Replies:** 1\
**Last updated:** [May 10, 2021, 6:27am UTC](https://discourse.paraview.org/t/how-do-i-get-a-graph-of-a-global-variable-versus-time/7186 "2021-05-10T06:27:00Z")

</div>

Dear All, Now, I have a series of exodus files, where the value of each element is known, such as elastic energy density \\rho\_{elstic}, and the mesh is an adaptive mesh. Need to calculate the elastic energy E = \\iint\\…

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## [pvtu with polyhedra issue](https://discourse.paraview.org/t/pvtu-with-polyhedra-issue/13858)

<div class="topic-metadata">

**Author:** [@kirill-terekhov](https://discourse.paraview.org/u/kirill-terekhov)\
**Replies:** 2\
**Last updated:** [February 5, 2024, 2:34pm UTC](https://discourse.paraview.org/t/pvtu-with-polyhedra-issue/13858 "2024-02-05T14:34:34Z")

</div>

The display of polyhedra in Paraview depends on the order of pieces in the pvtu file. In the attached example parallel\_polyhedron.pvtu (754 Bytes), there are 3 hexahedra. In the first piece parallel\_polyhedron\_0.vtu (1.…

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## [Stream tracer filter unavailable even with vector field data](https://discourse.paraview.org/t/stream-tracer-filter-unavailable-even-with-vector-field-data/12096)

<div class="topic-metadata">

**Author:** [@path](https://discourse.paraview.org/u/path)\
**Replies:** 2\
**Last updated:** [May 16, 2023, 12:47am UTC](https://discourse.paraview.org/t/stream-tracer-filter-unavailable-even-with-vector-field-data/12096 "2023-05-16T00:47:53Z")

</div>

Hello, I have a simple lid driven velocity field Exodus file with vel\_x and vel\_y point data variables. Paraview seems to recognize them as a vel vector with X and Y components and also provides the magnitude. However, s…

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