# Top

**URL:** https://discourse.paraview.org/top.md?page=108&period=all

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**Page:** 109

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## [Merge arrays from vtk Point Data.](https://discourse.paraview.org/t/merge-arrays-from-vtk-point-data/5476)

<div class="topic-metadata">

**Author:** [@Oier\_Arcelus](https://discourse.paraview.org/u/Oier_Arcelus)\
**Replies:** 1\
**Last updated:** [October 2, 2020, 1:34pm UTC](https://discourse.paraview.org/t/merge-arrays-from-vtk-point-data/5476 "2020-10-02T13:34:02Z")

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Dear Forum, I have a vtkPointData object with 5 arrays. Array 0 name = id Array 1 name = type Array 2 name = c\_q\[1-3\] Array 3 name = c\_q\[4-6\] Array 4 name = c\_q\[7\] I would like to merge the last two arrays such th…

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## [ParaView install error: Copyright.txt is using the wrong path](https://discourse.paraview.org/t/paraview-install-error-copyright-txt-is-using-the-wrong-path/1187)

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**Author:** [@Haocheng\_Liu](https://discourse.paraview.org/u/Haocheng_Liu)\
**Replies:** 2\
**Last updated:** [January 28, 2019, 1:23pm UTC](https://discourse.paraview.org/t/paraview-install-error-copyright-txt-is-using-the-wrong-path/1187 "2019-01-28T13:23:45Z")

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Hi, When trying to build a ParaView downstream application with the PV master branch, I run into the following error when calling ninja install in ParaView build dir: Error message as below: CMake Error at cmake\_inst…

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## [Seeking Transforming Functionality in Paraview 5.12.0](https://discourse.paraview.org/t/seeking-transforming-functionality-in-paraview-5-12-0/14310)

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**Author:** [@Yuan\_tangjin](https://discourse.paraview.org/u/Yuan_tangjin)\
**Replies:** 3\
**Last updated:** [October 31, 2025, 8:20am UTC](https://discourse.paraview.org/t/seeking-transforming-functionality-in-paraview-5-12-0/14310 "2025-10-31T08:20:12Z")

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Hello everyone, I’ve noticed that in Paraview version 5.8.0, there’s an operation called “Transforming” under the Properties menu. However, I couldn’t locate this functionality in the version 5.12.0 that I’ve installe…

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## [Import Geometries and Transform them programmatically](https://discourse.paraview.org/t/import-geometries-and-transform-them-programmatically/7998)

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**Author:** [@supervinci86](https://discourse.paraview.org/u/supervinci86)\
**Replies:** 0\
**Last updated:** [September 14, 2021, 3:06pm UTC](https://discourse.paraview.org/t/import-geometries-and-transform-them-programmatically/7998 "2021-09-14T15:06:09Z")

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Good afternoon, I would need to import a set of geometries (let’s assume \*.stl files) and, for each of them, I’d like to perform a specific transformation (let’s say translation and rotation only). FYI total number of f…

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## [ParaView asset store](https://discourse.paraview.org/t/paraview-asset-store/2142)

<div class="topic-metadata">

**Author:** [@Misha](https://discourse.paraview.org/u/Misha)\
**Replies:** 1\
**Last updated:** [July 5, 2019, 11:30am UTC](https://discourse.paraview.org/t/paraview-asset-store/2142 "2019-07-05T11:30:17Z")

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Hi, I think that it will be a good idea to create a ParaView asset store, similar to Unity’s asset store. It would help everyone if people will be able to sell custom models, custom filters, plugins and saved states.

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## [how can I extract python script?](https://discourse.paraview.org/t/how-can-i-extract-python-script/6603)

<div class="topic-metadata">

**Author:** [@Pppp](https://discourse.paraview.org/u/Pppp)\
**Replies:** 3\
**Last updated:** [March 4, 2021, 8:52am UTC](https://discourse.paraview.org/t/how-can-i-extract-python-script/6603 "2021-03-04T08:52:40Z")

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If I have applied vtk file as input and used curvature filter to the input file. How can I extract the python script or codes which is been used to the input data. Is there any option from paraview to view the codes done…

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## [2D colormap](https://discourse.paraview.org/t/2d-colormap/12772)

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**Author:** [@cyrille](https://discourse.paraview.org/u/cyrille)\
**Replies:** 2\
**Last updated:** [August 30, 2023, 1:29pm UTC](https://discourse.paraview.org/t/2d-colormap/12772 "2023-08-30T13:29:21Z")

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Hello, I’m looking for a way to visualize two continuous scalars with one 2D-colormap. I’ve seen that there is a feature for volume rendering, allowing to tune the opacity based on a scalar field. But it my case, I woul…

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## [Data range is different from plot data](https://discourse.paraview.org/t/data-range-is-different-from-plot-data/10435)

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**Author:** [@Chambernan](https://discourse.paraview.org/u/Chambernan)\
**Replies:** 2\
**Last updated:** [September 30, 2022, 9:53am UTC](https://discourse.paraview.org/t/data-range-is-different-from-plot-data/10435 "2022-09-30T09:53:20Z")

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Hello! I encountered a strange problem using paraview. When I view the variable force\_Y through the color map, the maximum value is 3.7e6. But this is not the case with plot selection over time. The maximum force\_Y is on…

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## [RuledSurfaceFilter using vtkmodules](https://discourse.paraview.org/t/ruledsurfacefilter-using-vtkmodules/7773)

<div class="topic-metadata">

**Author:** [@Jared\_Blanchard](https://discourse.paraview.org/u/Jared_Blanchard)\
**Replies:** 1\
**Last updated:** [August 11, 2021, 12:39am UTC](https://discourse.paraview.org/t/ruledsurfacefilter-using-vtkmodules/7773 "2021-08-11T00:39:40Z")

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I’ve gotten stuck trying to use the RuledSurfaceFilter inside one of my python plugins. I have been writing standalone code using import vtk based on this example: RuledSurfaceFilter.py (2.5 KB). This works great. Now…

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## [Question about PythonAlgorithm plugin](https://discourse.paraview.org/t/question-about-pythonalgorithm-plugin/3551)

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**Author:** [@ademaio](https://discourse.paraview.org/u/ademaio)\
**Replies:** 1\
**Last updated:** [March 28, 2021, 9:55pm UTC](https://discourse.paraview.org/t/question-about-pythonalgorithm-plugin/3551 "2021-03-28T21:55:05Z")

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In the reader plugin I’m writing I’m trying to add helping information but there’s something that I don’t understand. For example if I put the following decorated function: @smproperty.stringvector(name="FileName", …

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## [openfoam + xdmf + vtkhdf parallel file loading development](https://discourse.paraview.org/t/openfoam-xdmf-vtkhdf-parallel-file-loading-development/15591)

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**Author:** [@osarusan](https://discourse.paraview.org/u/osarusan)\
**Replies:** 2\
**Last updated:** [October 21, 2024, 6:45am UTC](https://discourse.paraview.org/t/openfoam-xdmf-vtkhdf-parallel-file-loading-development/15591 "2024-10-21T06:45:48Z")

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Hi There, I’m looking to resolve performance issues inside openfoam, XDMF3 + VTKHDF5. Been very exciting to see and track VTKHDF5 but I don’t think I’ve seen my observation of XDMF3 issues fixed in vtkhdf5, openfoam ca…

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## [How to use Paraview Glance to show the Segmentation label](https://discourse.paraview.org/t/how-to-use-paraview-glance-to-show-the-segmentation-label/11739)

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**Author:** [@seenbefore](https://discourse.paraview.org/u/seenbefore)\
**Replies:** 3\
**Last updated:** [March 28, 2023, 3:33pm UTC](https://discourse.paraview.org/t/how-to-use-paraview-glance-to-show-the-segmentation-label/11739 "2023-03-28T15:33:04Z")

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Hi, I have a 3D segmentation algorithm and I have my both input and output as nii.gz. I want to show the segmentation as 3D render and then overlay my slices on input data with different color. Is there any ways to do …

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## [Select subregion of 1st grid based on size of 2nd grid using python script](https://discourse.paraview.org/t/select-subregion-of-1st-grid-based-on-size-of-2nd-grid-using-python-script/2527)

<div class="topic-metadata">

**Author:** [@joboog](https://discourse.paraview.org/u/joboog)\
**Replies:** 0\
**Last updated:** [September 9, 2019, 11:08am UTC](https://discourse.paraview.org/t/select-subregion-of-1st-grid-based-on-size-of-2nd-grid-using-python-script/2527 "2019-09-09T11:08:13Z")

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Dear ParaView users, I have two grids (big, small) that overlay (top in Figure 1). I would like to extract a subregion out of the big grid similar as in bottom of Figure 1. The subregion should match an axis aligned b…

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## [Zoom Annotation](https://discourse.paraview.org/t/zoom-annotation/13229)

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**Author:** [@phismith](https://discourse.paraview.org/u/phismith)\
**Replies:** 2\
**Last updated:** [November 10, 2023, 4:50pm UTC](https://discourse.paraview.org/t/zoom-annotation/13229 "2023-11-10T16:50:22Z")

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Hi ParaView Team, Is there a way to show the Zoom level interactivity? There is a Time Annotation that will update as the time is updated, Is there a way to do this with the Zoom level, that is an annotation that would …

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## [\[solved\] In Server Manager XML what is the supported syntax for Documentation](https://discourse.paraview.org/t/solved-in-server-manager-xml-what-is-the-supported-syntax-for-documentation/3683)

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**Author:** [@yohanlty\_total](https://discourse.paraview.org/u/yohanlty_total)\
**Replies:** 2\
**Last updated:** [February 27, 2020, 2:43pm UTC](https://discourse.paraview.org/t/solved-in-server-manager-xml-what-is-the-supported-syntax-for-documentation/3683 "2020-02-27T14:43:19Z")

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Hello, I am writting a plugin and in the Server Manager XML to specify the GUI I noticed that in the “Documentation” entry you can put things in italics and in bold. Since I would like to add some mathematical formulas…

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## [Run \`git submodule sync\`](https://discourse.paraview.org/t/run-git-submodule-sync/1186)

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**Author:** [@cory.quammen](https://discourse.paraview.org/u/cory.quammen)\
**Replies:** 2\
**Last updated:** [January 25, 2019, 9:51pm UTC](https://discourse.paraview.org/t/run-git-submodule-sync/1186 "2019-01-25T21:51:46Z")

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If you run into problems with git submodule update when updating to paraview master, make sure you run git submodule sync. Then try again.

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## [Hello,](https://discourse.paraview.org/t/hello/10581)

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**Author:** [@tkdgur8314](https://discourse.paraview.org/u/tkdgur8314)\
**Replies:** 4\
**Last updated:** [October 24, 2022, 8:55am UTC](https://discourse.paraview.org/t/hello/10581 "2022-10-24T08:55:16Z")

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Hello, I have a question about the current CFD computational fluid dynamics. I would like to display data through cell number, speed, pressure, and temperature for RM flow dynamics required through text file. I wonder if…

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## [ImageData output with non-ImageData inputs](https://discourse.paraview.org/t/imagedata-output-with-non-imagedata-inputs/187)

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**Author:** [@lhofmann](https://discourse.paraview.org/u/lhofmann)\
**Replies:** 1\
**Last updated:** [June 18, 2018, 8:06pm UTC](https://discourse.paraview.org/t/imagedata-output-with-non-imagedata-inputs/187 "2018-06-18T20:06:25Z")

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I would like to write a filter, that takes a vtkPointSet as input and outputs an vtkImageData, which depends on the number of points of the input (see example below). There are two problems: In RequestInformation, I a…

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## [cityGMLReader Problem Opening](https://discourse.paraview.org/t/citygmlreader-problem-opening/7386)

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**Author:** [@Amin\_Nabikhani](https://discourse.paraview.org/u/Amin_Nabikhani)\
**Replies:** 3\
**Last updated:** [June 11, 2021, 1:31pm UTC](https://discourse.paraview.org/t/citygmlreader-problem-opening/7386 "2021-06-11T13:31:41Z")

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Hello, I’m trying to visualize a few cityGML (LOD1) files I received from a third-party with paraview 5.9.1 and It fails to show the elements. I receive no errors along the way. However, it shows “NA” for all the parame…

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## [Changing plane of data](https://discourse.paraview.org/t/changing-plane-of-data/11877)

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**Author:** [@atousa3D](https://discourse.paraview.org/u/atousa3D)\
**Replies:** 2\
**Last updated:** [May 3, 2023, 11:12pm UTC](https://discourse.paraview.org/t/changing-plane-of-data/11877 "2023-05-03T23:12:47Z")

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Hi, I have a naïve question: I have a 2D topography (function of lat/lon). I don’t know why it is shown on z-y plane. I’d like it to be shown/oriented on x-y plane so that I can overlay another variable on top of it. (…

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## [delete vector at boundary](https://discourse.paraview.org/t/delete-vector-at-boundary/10687)

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**Author:** [@saman89](https://discourse.paraview.org/u/saman89)\
**Replies:** 2\
**Last updated:** [November 17, 2022, 9:36am UTC](https://discourse.paraview.org/t/delete-vector-at-boundary/10687 "2022-11-17T09:36:39Z")

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Hi I Want to remove the vectors at boundaries. such as mentioned in the attached file Is there somebody who can help me? I really appreciate any help you can provide.

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## [Plugin into a single ddl](https://discourse.paraview.org/t/plugin-into-a-single-ddl/4551)

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**Author:** [@Felipe\_Bordeu](https://discourse.paraview.org/u/Felipe_Bordeu)\
**Replies:** 2\
**Last updated:** [June 10, 2020, 9:28am UTC](https://discourse.paraview.org/t/plugin-into-a-single-ddl/4551 "2020-06-10T09:28:30Z")

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Hi to all, I’m porting my plugin to paraview 5.8 (last time I compiled the plugin was 5 years ago). The plugin is compiled and I can load using my home compiled ParaView (using superbuild) as well as with the precompil…

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## [Transition in animation](https://discourse.paraview.org/t/transition-in-animation/3007)

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**Author:** [@Samanvith\_A](https://discourse.paraview.org/u/Samanvith_A)\
**Replies:** 2\
**Last updated:** [November 19, 2019, 9:46pm UTC](https://discourse.paraview.org/t/transition-in-animation/3007 "2019-11-19T21:46:43Z")

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Hello, Myself Samanvith. I am doing my Post Grad from IIT Indore. I have 6 VTK files of HI( neutral hydrogen) with redshift varying from 10-4. I want to show the transition of HI maps from 10 - 4. I am able to do it f…

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## [Asking for Numerical schlierern with paraview](https://discourse.paraview.org/t/asking-for-numerical-schlierern-with-paraview/9792)

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**Author:** [@UNICO1](https://discourse.paraview.org/u/UNICO1)\
**Replies:** 0\
**Last updated:** [June 11, 2022, 2:48am UTC](https://discourse.paraview.org/t/asking-for-numerical-schlierern-with-paraview/9792 "2022-06-11T02:48:45Z")

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Dear all! I would like to ask you about Numerical schlieren image from paraview. I’m not sure I was correct or not With density field, I use ‘gradient filter’ to calculate schlierern From here, I have a question abou…

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## [Hashcode in Programmable Filter](https://discourse.paraview.org/t/hashcode-in-programmable-filter/7608)

<div class="topic-metadata">

**Author:** [@gizem](https://discourse.paraview.org/u/gizem)\
**Replies:** 5\
**Last updated:** [July 16, 2021, 11:19am UTC](https://discourse.paraview.org/t/hashcode-in-programmable-filter/7608 "2021-07-16T11:19:06Z")

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Hello, I’ve been trying to convert a Point Array of the Properties Panel (a double value) into hashcode with the help of the programmable filter. I tried several times, but it never worked. I expected to see another pa…

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## [representation of filter not updated](https://discourse.paraview.org/t/representation-of-filter-not-updated/13627)

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**Author:** [@Kim\_Namhyun](https://discourse.paraview.org/u/Kim_Namhyun)\
**Replies:** 6\
**Last updated:** [January 12, 2024, 8:07am UTC](https://discourse.paraview.org/t/representation-of-filter-not-updated/13627 "2024-01-12T08:07:41Z")

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As I mentioned before, I developed web based solution based on paraview-web (from 5.7) Recently I try to upgrade paraview bins from 5.7 to 5.10 (5.8 or 5.9 or 5.10) However ClipClosedSurface dose not operate properly w…

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## [Despite not updating any extent: Programmable filter "ERROR: \[...\] The update extent specified in the information for output port \[...\] on algorithm \[...\] is \[...\], which is outside the whole extent \[...\]."](https://discourse.paraview.org/t/despite-not-updating-any-extent-programmable-filter-error-the-update-extent-specified-in-the-information-for-output-port-on-algorithm-is-which-is-outside-the-whole-extent/12143)

<div class="topic-metadata">

**Author:** [@bastian](https://discourse.paraview.org/u/bastian)\
**Replies:** 2\
**Last updated:** [August 19, 2023, 8:26pm UTC](https://discourse.paraview.org/t/despite-not-updating-any-extent-programmable-filter-error-the-update-extent-specified-in-the-information-for-output-port-on-algorithm-is-which-is-outside-the-whole-extent/12143 "2023-08-19T20:26:45Z")

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I wrote a programmable filter which gives me the following error that I would like to get rid off: ERROR: In /builds/gitlab-kitware-sciviz-ci/build/superbuild/paraview/src/VTK/Common/ExecutionModel/vtkStreamingDemandDr…

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## [Foam file - Reconstructed and Decomposed Case type Error](https://discourse.paraview.org/t/foam-file-reconstructed-and-decomposed-case-type-error/10172)

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**Author:** [@Graham](https://discourse.paraview.org/u/Graham)\
**Replies:** 1\
**Last updated:** [August 29, 2022, 4:23am UTC](https://discourse.paraview.org/t/foam-file-reconstructed-and-decomposed-case-type-error/10172 "2022-08-29T04:23:50Z")

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Hi guys, I have attached two contours. For the first one, I chose the type “Reconstructed Case” whereas the second is “Decomposed Case”. As in the pic, there are these vertical planes formed when I change the case type.…

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## [Using SaveData multiple times, in parallel with pvbatch](https://discourse.paraview.org/t/using-savedata-multiple-times-in-parallel-with-pvbatch/5935)

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**Author:** [@mjn1368](https://discourse.paraview.org/u/mjn1368)\
**Replies:** 0\
**Last updated:** [November 30, 2020, 12:33pm UTC](https://discourse.paraview.org/t/using-savedata-multiple-times-in-parallel-with-pvbatch/5935 "2020-11-30T12:33:38Z")

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Hello everyone, I try to use pvbatch to optimize my post-processing. To be short, I have a dataset that contains the coordinates of many points. I have created many “subdomains” i.e. blocks, for example here 125 blocks,…

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## [How can I get the real FPS from a remote rendering?](https://discourse.paraview.org/t/how-can-i-get-the-real-fps-from-a-remote-rendering/12871)

<div class="topic-metadata">

**Author:** [@sebasgut1](https://discourse.paraview.org/u/sebasgut1)\
**Replies:** 5\
**Last updated:** [September 18, 2023, 3:26pm UTC](https://discourse.paraview.org/t/how-can-i-get-the-real-fps-from-a-remote-rendering/12871 "2023-09-18T15:26:28Z")

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Hi, I would like to know how can I get the real FPS from the image stream with a interactive ratio of 1 and interactive quality of 100. Because I was trying to capture from browser but I always get 60 fps, but clearly t…

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## [Is threre a way to interact with PythonView?](https://discourse.paraview.org/t/is-threre-a-way-to-interact-with-pythonview/7108)

<div class="topic-metadata">

**Author:** [@ymjia](https://discourse.paraview.org/u/ymjia)\
**Replies:** 4\
**Last updated:** [May 27, 2026, 10:50am UTC](https://discourse.paraview.org/t/is-threre-a-way-to-interact-with-pythonview/7108 "2026-05-27T10:50:27Z")

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I am using matplotlib through PythonView, and try to do something respond to a mouse click, Is it possible? I found the render() function will re-run after mouse drag in PythonView, if the render function can get some m…

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## [VTK Commom Core Error while building Paraview from source](https://discourse.paraview.org/t/vtk-commom-core-error-while-building-paraview-from-source/11841)

<div class="topic-metadata">

**Author:** [@Muhammad\_Saad\_Atique](https://discourse.paraview.org/u/Muhammad_Saad_Atique)\
**Replies:** 4\
**Last updated:** [April 24, 2023, 1:40am UTC](https://discourse.paraview.org/t/vtk-commom-core-error-while-building-paraview-from-source/11841 "2023-04-24T01:40:46Z")

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Hi, I am getting this error when I build Paraview from source. I was able to build it last week and even run custom applications. I had to build it again due to some reason but getting this error now \[198/21274\] Genera…

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## [pvbatch run on GPU](https://discourse.paraview.org/t/pvbatch-run-on-gpu/11441)

<div class="topic-metadata">

**Author:** [@Frankx9](https://discourse.paraview.org/u/Frankx9)\
**Replies:** 3\
**Last updated:** [February 21, 2023, 8:04am UTC](https://discourse.paraview.org/t/pvbatch-run-on-gpu/11441 "2023-02-21T08:04:35Z")

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Hi, I’m trying to run my pvbatch script on a GPU but with no success, I’m using: pvbatch --egl-device-index=$CUDA\_VISIBLE\_DEVICES test.py and I get: e\[0me\[31m( 0.525s) \[pvbatch \] :0 …

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## [Export Mesh as Nastran to use in ICEM CFD](https://discourse.paraview.org/t/export-mesh-as-nastran-to-use-in-icem-cfd/10546)

<div class="topic-metadata">

**Author:** [@dstansberry](https://discourse.paraview.org/u/dstansberry)\
**Replies:** 0\
**Last updated:** [October 18, 2022, 10:38pm UTC](https://discourse.paraview.org/t/export-mesh-as-nastran-to-use-in-icem-cfd/10546 "2022-10-18T22:38:23Z")

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Hello all, I am very new to Paraview and am trying to export a mesh created with openfoam as a Nastran file to be used in ICEM CFD for a project at school. After some searching I found a post that had a python script wr…

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## [taanab osmesa builds working again](https://discourse.paraview.org/t/taanab-osmesa-builds-working-again/3433)

<div class="topic-metadata">

**Author:** [@cory.quammen](https://discourse.paraview.org/u/cory.quammen)\
**Replies:** 1\
**Last updated:** [March 1, 2020, 6:16pm UTC](https://discourse.paraview.org/t/taanab-osmesa-builds-working-again/3433 "2020-03-01T18:16:02Z")

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Recently taanab ran out of disk space, causing builds to fail. I presume to save space the superbuild that provided osmesa was removed. This caused the osmesa builds to fail, obviously. I restored a stripped down superb…

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## [bigmac buildbot paused](https://discourse.paraview.org/t/bigmac-buildbot-paused/2418)

<div class="topic-metadata">

**Author:** [@cory.quammen](https://discourse.paraview.org/u/cory.quammen)\
**Replies:** 1\
**Last updated:** [August 13, 2019, 3:29pm UTC](https://discourse.paraview.org/t/bigmac-buildbot-paused/2418 "2019-08-13T15:29:05Z")

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I have bigmac paused to debug a ParaView build failure. I will reply when it is back online.

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## [Transform filter memory usage](https://discourse.paraview.org/t/transform-filter-memory-usage/12633)

<div class="topic-metadata">

**Author:** [@woodscn](https://discourse.paraview.org/u/woodscn)\
**Replies:** 6\
**Last updated:** [August 14, 2023, 3:29pm UTC](https://discourse.paraview.org/t/transform-filter-memory-usage/12633 "2023-08-14T15:29:46Z")

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I have a (rather large) set of segmented imagedata. I’d like to use the Transform filter to explode out the segmented layers, similar to this image: https://cdn.24.co.za/files/Cms/General/d/10153/c2d878bd58aa44b1803afc3b…

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## [Errors when building Paraview 5.5.2](https://discourse.paraview.org/t/errors-when-building-paraview-5-5-2/506)

<div class="topic-metadata">

**Author:** [@Maxime\_Boissonneault](https://discourse.paraview.org/u/Maxime_Boissonneault)\
**Replies:** 0\
**Last updated:** [August 31, 2018, 1:33pm UTC](https://discourse.paraview.org/t/errors-when-building-paraview-5-5-2/506 "2018-08-31T13:33:20Z")

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Hi, I am trying to build ParaView. I am using : cmake 3.8.2 HDF5 1.8.18 Qt 5.10.1 using the following cmake line : cmake /dev/shm/mboisson/avx2/ParaView/5.5.2/gompi-2016.4.11/ParaView-v5.5.2/ -DCMAKE\_INSTALL\_PREFIX=…

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## [paraview web visulizer (refresh button)](https://discourse.paraview.org/t/paraview-web-visulizer-refresh-button/9644)

<div class="topic-metadata">

**Author:** [@parismulye](https://discourse.paraview.org/u/parismulye)\
**Replies:** 2\
**Last updated:** [May 19, 2022, 1:48pm UTC](https://discourse.paraview.org/t/paraview-web-visulizer-refresh-button/9644 "2022-05-19T13:48:56Z")

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Hello, When I launch the paraview web visualizer with \[pvpython\] -m paraview.apps.visualizer --port \[portnum\] --data \[datadir\] it loads perfectly fine. But if I refresh the page, then I get the error as follows: sche…

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## [subtracting line data from a plane](https://discourse.paraview.org/t/subtracting-line-data-from-a-plane/8468)

<div class="topic-metadata">

**Author:** [@kbshariff](https://discourse.paraview.org/u/kbshariff)\
**Replies:** 2\
**Last updated:** [November 24, 2021, 12:28pm UTC](https://discourse.paraview.org/t/subtracting-line-data-from-a-plane/8468 "2021-11-24T12:28:01Z")

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Hello, I have a channel flow, I would like to subtract the turbulent intensity at the side wall in the whole domain. How can I do that with paraview calculator? I want to the the contour plot of this value I = Iw^2 -…

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## [2DGlyph Parameter not recorded by macro](https://discourse.paraview.org/t/2dglyph-parameter-not-recorded-by-macro/5308)

<div class="topic-metadata">

**Author:** [@leopessanha](https://discourse.paraview.org/u/leopessanha)\
**Replies:** 2\
**Last updated:** [September 10, 2020, 12:29pm UTC](https://discourse.paraview.org/t/2dglyph-parameter-not-recorded-by-macro/5308 "2020-09-10T12:29:46Z")

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Hi! I was trying to automate the process of generating a 2d wind flow visualization with glyphs I’d like the GlyphType to be of 2D Glyph and the 2DGlyph to be a Filled Thick Arrow like in the following image When reco…

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## [how to combine and calculate the data from the same cell and point model?](https://discourse.paraview.org/t/how-to-combine-and-calculate-the-data-from-the-same-cell-and-point-model/6552)

<div class="topic-metadata">

**Author:** [@aquanaut](https://discourse.paraview.org/u/aquanaut)\
**Replies:** 3\
**Last updated:** [February 25, 2021, 9:52am UTC](https://discourse.paraview.org/t/how-to-combine-and-calculate-the-data-from-the-same-cell-and-point-model/6552 "2021-02-25T09:52:02Z")

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hi,I want to calculate the square root of Vx Vy Vz but in three same model.How can I do that?

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## [Paraview GPU utilization](https://discourse.paraview.org/t/paraview-gpu-utilization/1020)

<div class="topic-metadata">

**Author:** [@darkhelmet9](https://discourse.paraview.org/u/darkhelmet9)\
**Replies:** 0\
**Last updated:** [December 7, 2018, 5:59pm UTC](https://discourse.paraview.org/t/paraview-gpu-utilization/1020 "2018-12-07T17:59:42Z")

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Hi, I’m having some difficulty using Paraview on my Windows desktop. I’ve noticed that while I’m using it, my GPU is being hardly used for rendering tasks, while my CPU usage is spiking. Is there something I have to do …

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## [Missing data fields in Input Scalars](https://discourse.paraview.org/t/missing-data-fields-in-input-scalars/7147)

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**Author:** [@Saket\_Sarupria](https://discourse.paraview.org/u/Saket_Sarupria)\
**Replies:** 4\
**Last updated:** [May 5, 2021, 10:33am UTC](https://discourse.paraview.org/t/missing-data-fields-in-input-scalars/7147 "2021-05-05T10:33:18Z")

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Hi everyone, I am visualising an openfoam case. When trying to use IsoVolume / Threshold / Contour filter, 2 of my colleagues (new paraview users) are missing the U\_Magnitude field in the Input Scalars drop down menu. H…

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## [How can I draw a particle with an exact diameter?](https://discourse.paraview.org/t/how-can-i-draw-a-particle-with-an-exact-diameter/12574)

<div class="topic-metadata">

**Author:** [@unknown\_family\_name](https://discourse.paraview.org/u/unknown_family_name)\
**Replies:** 1\
**Last updated:** [July 24, 2023, 3:21pm UTC](https://discourse.paraview.org/t/how-can-i-draw-a-particle-with-an-exact-diameter/12574 "2023-07-24T15:21:04Z")

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As far as I know, using the point Gaussian method is the best way to draw a particle with its correct diameter. I have found information about this method at the following URL: https://www.kitware.com/paraview-5-introd…

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## [Help with building Paraview Glance](https://discourse.paraview.org/t/help-with-building-paraview-glance/5186)

<div class="topic-metadata">

**Author:** [@Ramu](https://discourse.paraview.org/u/Ramu)\
**Replies:** 1\
**Last updated:** [August 26, 2020, 2:19pm UTC](https://discourse.paraview.org/t/help-with-building-paraview-glance/5186 "2020-08-26T14:19:45Z")

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Hello I am trying to build paraview-glance from Kitware/ paraview-glance GitHub repo. It was successful on my personal laptop but unable to do so in my office machine. (I use enterprise registry and they prevent download…

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## [Color palette and state files](https://discourse.paraview.org/t/color-palette-and-state-files/3636)

<div class="topic-metadata">

**Author:** [@Andy\_Bauer](https://discourse.paraview.org/u/Andy_Bauer)\
**Replies:** 1\
**Last updated:** [February 22, 2020, 4:50am UTC](https://discourse.paraview.org/t/color-palette-and-state-files/3636 "2020-02-22T04:50:46Z")

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When I’m in the GUI for 5.8 and change the background from the default gray to white and then save the state and then restart ParaView and load that state file back into ParaView (either through the GUI’s Load State... o…

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## [zoom dependent eye angle for anaglyph stereo](https://discourse.paraview.org/t/zoom-dependent-eye-angle-for-anaglyph-stereo/3236)

<div class="topic-metadata">

**Author:** [@AndrewAnnex](https://discourse.paraview.org/u/AndrewAnnex)\
**Replies:** 1\
**Last updated:** [January 6, 2020, 11:07am UTC](https://discourse.paraview.org/t/zoom-dependent-eye-angle-for-anaglyph-stereo/3236 "2020-01-06T11:07:59Z")

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Is there a way to make the eye angle for anaglyph stereo become dependent on the zoom level/scale of the model? I am using 5.7.0 on macOS. As I zoom towards my model (a DEM) my eyes start hurting as the effective separat…

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## [Release streamtraces based on openVR remote position](https://discourse.paraview.org/t/release-streamtraces-based-on-openvr-remote-position/449)

<div class="topic-metadata">

**Author:** [@pcrepier](https://discourse.paraview.org/u/pcrepier)\
**Replies:** 1\
**Last updated:** [August 27, 2018, 3:29pm UTC](https://discourse.paraview.org/t/release-streamtraces-based-on-openvr-remote-position/449 "2018-08-27T15:29:54Z")

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Hi, Together with some colleagues, we have been playing around with the OpenVR plugin, with success so far. We are now wondering about how we could bring up the added value of such post-processing in our workflow. One…

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## [Transfering Paraview to Unity](https://discourse.paraview.org/t/transfering-paraview-to-unity/13962)

<div class="topic-metadata">

**Author:** [@DIO](https://discourse.paraview.org/u/DIO)\
**Replies:** 2\
**Last updated:** [February 19, 2024, 10:00pm UTC](https://discourse.paraview.org/t/transfering-paraview-to-unity/13962 "2024-02-19T22:00:48Z")

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I am apart of a team working on paraview and was wondering if it was possible to transfer files or implement a paraview VR simulation towards unity so it can simulations like in paraview? Thanks for answering if it is p…

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