# Top

**URL:** https://discourse.paraview.org/top.md?page=94&period=all

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

**Page:** 95

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## [Paraview crashes when slice](https://discourse.paraview.org/t/paraview-crashes-when-slice/14464)

<div class="topic-metadata">

**Author:** [@xq520](https://discourse.paraview.org/u/xq520)\
**Replies:** 8\
**Last updated:** [April 24, 2024, 11:16am UTC](https://discourse.paraview.org/t/paraview-crashes-when-slice/14464 "2024-04-24T11:16:39Z")

</div>

Hello, the paraview version is 5.9.1, when I slice the modal in normal z direction, paraview crashes immediately without any prompt, could someone help me fix this issue? The file is attached below. Thanks a lot.

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## [Read Int16 from binary file in XDMF](https://discourse.paraview.org/t/read-int16-from-binary-file-in-xdmf/3122)

<div class="topic-metadata">

**Author:** [@reox](https://discourse.paraview.org/u/reox)\
**Replies:** 1\
**Last updated:** [December 5, 2019, 11:59am UTC](https://discourse.paraview.org/t/read-int16-from-binary-file-in-xdmf/3122 "2019-12-05T11:59:38Z")

</div>

I would like to load a binary file containing Int16 numbers using XDMF. The DataItem tag seems to support a Precision attribute, which I assume is the number of bits? But, if I define a DataItem like this: \<DataItem Di…

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## [Does anyone know how to do this Aerodynamics fog in paraview?Thanks in advance.](https://discourse.paraview.org/t/does-anyone-know-how-to-do-this-aerodynamics-fog-in-paraview-thanks-in-advance/1631)

<div class="topic-metadata">

**Author:** [@hdz19900725](https://discourse.paraview.org/u/hdz19900725)\
**Replies:** 1\
**Last updated:** [April 9, 2019, 2:07pm UTC](https://discourse.paraview.org/t/does-anyone-know-how-to-do-this-aerodynamics-fog-in-paraview-thanks-in-advance/1631 "2019-04-09T14:07:42Z")

</div>

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## [Extrude Line to Cylinder](https://discourse.paraview.org/t/extrude-line-to-cylinder/11988)

<div class="topic-metadata">

**Author:** [@SebastianSalazar42](https://discourse.paraview.org/u/SebastianSalazar42)\
**Replies:** 4\
**Last updated:** [May 2, 2023, 6:43pm UTC](https://discourse.paraview.org/t/extrude-line-to-cylinder/11988 "2023-05-02T18:43:49Z")

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Hi! I been using Paraview for some time (i.e. not beginner). I wonder if it is possible to extrude a simple 3D line (a VTK\_LINE = 3), into a cylinder. This is because the line have “vectors” on ends, and therefore moves…

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## [Error: Visit Exception caught?](https://discourse.paraview.org/t/error-visit-exception-caught/8923)

<div class="topic-metadata">

**Author:** [@ShootingStar807](https://discourse.paraview.org/u/ShootingStar807)\
**Replies:** 3\
**Last updated:** [February 8, 2022, 8:33am UTC](https://discourse.paraview.org/t/error-visit-exception-caught/8923 "2022-02-08T08:33:10Z")

</div>

Hello! I seem to get the following error when I try to load in some of the data I am trying to view. The error doesn’t appear with some of the other data only for certain cases. Visit Exception caught ERROR: In /swbuil…

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## [ParaView 6.1.0-RC2 is available for download](https://discourse.paraview.org/t/paraview-6-1-0-rc2-is-available-for-download/17494)

<div class="topic-metadata">

**Author:** [@cory.quammen](https://discourse.paraview.org/u/cory.quammen)\
**Replies:** 3\
**Last updated:** [April 2, 2026, 11:16am UTC](https://discourse.paraview.org/t/paraview-6-1-0-rc2-is-available-for-download/17494 "2026-04-02T11:16:34Z")

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The ParaView team is pleased to announce the release of ParaView 6.1.0 Release Candidate 2. Download it now from www.paraview.org/download. ParaView’s repository and the ParaView superbuild repository have both been tag…

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## [superbuild passing CMAKE\_CXX\_COMPILER to projects](https://discourse.paraview.org/t/superbuild-passing-cmake-cxx-compiler-to-projects/4903)

<div class="topic-metadata">

**Author:** [@danlipsa](https://discourse.paraview.org/u/danlipsa)\
**Replies:** 4\
**Last updated:** [July 23, 2020, 4:56pm UTC](https://discourse.paraview.org/t/superbuild-passing-cmake-cxx-compiler-to-projects/4903 "2020-07-23T16:56:00Z")

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Should the compilers set at the superbuild level be passed to the individual projects? This does not seem to be the case, at least for las \[~/projects/paraview-superbuild/build-clang-osmesa-5.8.1-rc1\]$ cmake "-DCMAKE\_CX…

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## [SteamVR API](https://discourse.paraview.org/t/steamvr-api/13974)

<div class="topic-metadata">

**Author:** [@wgharper](https://discourse.paraview.org/u/wgharper)\
**Replies:** 5\
**Last updated:** [February 21, 2024, 10:20pm UTC](https://discourse.paraview.org/t/steamvr-api/13974 "2024-02-21T22:20:13Z")

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Hi! I’m a student working on a project for CERI labs. They have a couple of VR scenes setup in ParaView using OpenVR and SteamVR. We have been asked to implement haptic feedback into the controllers during the scenes. On…

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## [Kitware is hiring](https://discourse.paraview.org/t/kitware-is-hiring/483)

<div class="topic-metadata">

**Author:** [@utkarsh.ayachit](https://discourse.paraview.org/u/utkarsh.ayachit)\
**Replies:** 0\
**Last updated:** [August 27, 2018, 9:04pm UTC](https://discourse.paraview.org/t/kitware-is-hiring/483 "2018-08-27T21:04:28Z")

</div>

Kitware is hiring For a complete listing of open positions https://jobs.kitware.com/.

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## [paraview.simple.SelectCells sellect multiple cell](https://discourse.paraview.org/t/paraview-simple-selectcells-sellect-multiple-cell/4153)

<div class="topic-metadata">

**Author:** [@mcitrin](https://discourse.paraview.org/u/mcitrin)\
**Replies:** 1\
**Last updated:** [April 23, 2020, 1:47am UTC](https://discourse.paraview.org/t/paraview-simple-selectcells-sellect-multiple-cell/4153 "2020-04-23T01:47:41Z")

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Hi, i just started working with paraview python scripts, and i wanted to know if their was a way to query multiple cells based on their id similar to this in the editor i tried something like this but it didn’t work p…

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## [LidarView not recognizing GPS data](https://discourse.paraview.org/t/lidarview-not-recognizing-gps-data/14029)

<div class="topic-metadata">

**Author:** [@baldpixels](https://discourse.paraview.org/u/baldpixels)\
**Replies:** 3\
**Last updated:** [February 29, 2024, 4:35pm UTC](https://discourse.paraview.org/t/lidarview-not-recognizing-gps-data/14029 "2024-02-29T16:35:23Z")

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Hello! I could use some help figuring out why LidarView is not recognizing GPS data contained in a .pcap file. CONFIGURATION The .pcap file was generated by a Velodyne VLP-16. The GPS used is a Garmin 18x LVC. The uni…

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## [Gradient of tensor components](https://discourse.paraview.org/t/gradient-of-tensor-components/7218)

<div class="topic-metadata">

**Author:** [@fra](https://discourse.paraview.org/u/fra)\
**Replies:** 3\
**Last updated:** [December 2, 2022, 12:44pm UTC](https://discourse.paraview.org/t/gradient-of-tensor-components/7218 "2022-12-02T12:44:49Z")

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Hello, I have an unstructured dataset with a vector field defined on it (vorticity). I generated the gradient tensor and I know that the components are given as a tuple from 0 to 8 as dw1/dx, dw1/dy, dw1/dz, dw2/dx… dw3…

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## [Multiple Source Selection](https://discourse.paraview.org/t/multiple-source-selection/5509)

<div class="topic-metadata">

**Author:** [@theodorebaltis](https://discourse.paraview.org/u/theodorebaltis)\
**Replies:** 3\
**Last updated:** [October 7, 2020, 4:34pm UTC](https://discourse.paraview.org/t/multiple-source-selection/5509 "2020-10-07T16:34:02Z")

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Is there a way to retrieve multiple pipeline selections through the paraview.simple module? I’ve seen documentation online that says this is not possible, but it must be at least somewhat supported under the hood for us…

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## [How to trigger auto-apply](https://discourse.paraview.org/t/how-to-trigger-auto-apply/12111)

<div class="topic-metadata">

**Author:** [@nenad-vujicic](https://discourse.paraview.org/u/nenad-vujicic)\
**Replies:** 4\
**Last updated:** [May 16, 2023, 12:49pm UTC](https://discourse.paraview.org/t/how-to-trigger-auto-apply/12111 "2023-05-16T12:49:25Z")

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Hello everyone, I created several plugins (source + filters) and a patch which could alter source’s / filter’s properties. However, when I change one of these properties (programmatically, from the patch), the pipeline …

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## [Animating glyphs in Blender using BVTKnodes](https://discourse.paraview.org/t/animating-glyphs-in-blender-using-bvtknodes/6579)

<div class="topic-metadata">

**Author:** [@Suraj\_Vibromech](https://discourse.paraview.org/u/Suraj_Vibromech)\
**Replies:** 4\
**Last updated:** [March 2, 2021, 10:23am UTC](https://discourse.paraview.org/t/animating-glyphs-in-blender-using-bvtknodes/6579 "2021-03-02T10:23:09Z")

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Good Day, I have installed BVTKnodes plugin for Blender and have created the streamlines and sphere glyphs as two separate blender meshes. I am creating these by referencing to the paraview filters. Similar to using the…

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## [Find the intersection between sources](https://discourse.paraview.org/t/find-the-intersection-between-sources/3383)

<div class="topic-metadata">

**Author:** [@majo\_vlas](https://discourse.paraview.org/u/majo_vlas)\
**Replies:** 1\
**Last updated:** [January 23, 2020, 1:58am UTC](https://discourse.paraview.org/t/find-the-intersection-between-sources/3383 "2020-01-23T01:58:40Z")

</div>

I have two sources, and I apply transformations to them. I want to find the distance to the point of convergence. Is there a way to do that? Or get the coordinates of the intersection of the two sources?

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## [Paraview Find Data error](https://discourse.paraview.org/t/paraview-find-data-error/2772)

<div class="topic-metadata">

**Author:** [@shuhao](https://discourse.paraview.org/u/shuhao)\
**Replies:** 1\
**Last updated:** [October 15, 2019, 4:11pm UTC](https://discourse.paraview.org/t/paraview-find-data-error/2772 "2019-10-15T16:11:38Z")

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I’m trying to Find the node where value == max(value) in Paraview on a slice of a StructuredGrid. After clicking Run Selection Query, the UI freezes and I’m getting the following error: ( 38.351s) \[pvserver.2 \] v…

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## [Broken link in banner](https://discourse.paraview.org/t/broken-link-in-banner/2604)

<div class="topic-metadata">

**Author:** [@allison.vacanti](https://discourse.paraview.org/u/allison.vacanti)\
**Replies:** 1\
**Last updated:** [September 23, 2019, 12:44am UTC](https://discourse.paraview.org/t/broken-link-in-banner/2604 "2019-09-23T00:44:30Z")

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Going to https://discourse.paraview.org/ when not logged in shows the following banner: Clicking the job posting link goes to this page: Can a site admin update the link?

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## [Visualizing CFD results like in FluidX3D](https://discourse.paraview.org/t/visualizing-cfd-results-like-in-fluidx3d/14731)

<div class="topic-metadata">

**Author:** [@ArminAmarr](https://discourse.paraview.org/u/ArminAmarr)\
**Replies:** 5\
**Last updated:** [June 6, 2024, 6:48am UTC](https://discourse.paraview.org/t/visualizing-cfd-results-like-in-fluidx3d/14731 "2024-06-06T06:48:30Z")

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Hi, Sorry for the beginner’s question :slight\_smile: I’ve generated VTK files containing velocity (u) in FluidX3D and would like to get it visualized like in the video. Could you please advise me on the proper way to …

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## [Catalyst Python script pipelines are generating pyc files](https://discourse.paraview.org/t/catalyst-python-script-pipelines-are-generating-pyc-files/4176)

<div class="topic-metadata">

**Author:** [@Andy\_Bauer](https://discourse.paraview.org/u/Andy_Bauer)\
**Replies:** 3\
**Last updated:** [April 27, 2020, 4:47pm UTC](https://discourse.paraview.org/t/catalyst-python-script-pipelines-are-generating-pyc-files/4176 "2020-04-27T16:47:23Z")

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Hi, Using ParaView master as of April 24, 2020, it seems as if Catalyst is again generating .pyc files for the Catalyst Python scripts during simulation runs. I’m fairly certain that we intentionally prevented this from…

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## [error when reloading state that opens a cube file](https://discourse.paraview.org/t/error-when-reloading-state-that-opens-a-cube-file/171)

<div class="topic-metadata">

**Author:** [@Robert\_Olsen](https://discourse.paraview.org/u/Robert_Olsen)\
**Replies:** 3\
**Last updated:** [June 17, 2018, 3:57pm UTC](https://discourse.paraview.org/t/error-when-reloading-state-that-opens-a-cube-file/171 "2018-06-17T15:57:03Z")

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Hi everyone, A pipeline made up of a Gaussian cube reader followed by a contour filter displays an isosurface as expected. Saving and reloading the state produces a representation of the cube file but not the isosurfac…

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## [How to plot hexahedral mesh with thermal analysis results when data are read from txt files](https://discourse.paraview.org/t/how-to-plot-hexahedral-mesh-with-thermal-analysis-results-when-data-are-read-from-txt-files/3607)

<div class="topic-metadata">

**Author:** [@echatziz](https://discourse.paraview.org/u/echatziz)\
**Replies:** 1\
**Last updated:** [February 19, 2020, 7:58pm UTC](https://discourse.paraview.org/t/how-to-plot-hexahedral-mesh-with-thermal-analysis-results-when-data-are-read-from-txt-files/3607 "2020-02-19T19:58:54Z")

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I’ve developed a simulation scheme that couples optical and thermal simulations. For the thermal analysis I am using PyAnsys, creates an instance of ANSYS etc. Not important. What’s important is that I cannot easily man…

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## [comparative view always regenerate all filters](https://discourse.paraview.org/t/comparative-view-always-regenerate-all-filters/8164)

<div class="topic-metadata">

**Author:** [@vavo01](https://discourse.paraview.org/u/vavo01)\
**Replies:** 0\
**Last updated:** [October 12, 2021, 7:59am UTC](https://discourse.paraview.org/t/comparative-view-always-regenerate-all-filters/8164 "2021-10-12T07:59:06Z")

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paraview version: 5.8.1 OS: linux Hi all, When using comparative view, paraview regenerates all visible filters in all frames if I change any property of any filter. E.g. if I change the solid colour of Extract Block …

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## [Calculate the porosity and surface roughness of the powder layer](https://discourse.paraview.org/t/calculate-the-porosity-and-surface-roughness-of-the-powder-layer/13362)

<div class="topic-metadata">

**Author:** [@MuWeihao](https://discourse.paraview.org/u/MuWeihao)\
**Replies:** 4\
**Last updated:** [November 30, 2023, 4:55am UTC](https://discourse.paraview.org/t/calculate-the-porosity-and-surface-roughness-of-the-powder-layer/13362 "2023-11-30T04:55:42Z")

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Hello! I want to analyze the porosity and the surface roughness of the powder layer. The critical step is to calculate the volume of powders in the extract region and export the powder information (including the locati…

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## [Create 2D Hexagon](https://discourse.paraview.org/t/create-2d-hexagon/5321)

<div class="topic-metadata">

**Author:** [@Sasha](https://discourse.paraview.org/u/Sasha)\
**Replies:** 2\
**Last updated:** [September 15, 2020, 2:52pm UTC](https://discourse.paraview.org/t/create-2d-hexagon/5321 "2020-09-15T14:52:35Z")

</div>

I’m new to using Paraview and VTK, so I might be completely off here - but is there any way to create a 2D hexagon in Paraview? Currently, I’m creating the vtu file using the following code: This successfully creates …

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## [XMDF reader error](https://discourse.paraview.org/t/xmdf-reader-error/889)

<div class="topic-metadata">

**Author:** [@ptooley](https://discourse.paraview.org/u/ptooley)\
**Replies:** 0\
**Last updated:** [November 13, 2018, 11:55am UTC](https://discourse.paraview.org/t/xmdf-reader-error/889 "2018-11-13T11:55:13Z")

</div>

Hi all, I am trying to define a vector field on a grid using the data from a pair of hdf5 arrays, the hdf5 data layout is: phil@work $ h5ls data.h5 map\_x Dataset {11, 11} map\_y Da…

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## [Some minimum improvement for interactive selection](https://discourse.paraview.org/t/some-minimum-improvement-for-interactive-selection/4679)

<div class="topic-metadata">

**Author:** [@Richard](https://discourse.paraview.org/u/Richard)\
**Replies:** 6\
**Last updated:** [June 29, 2020, 4:01pm UTC](https://discourse.paraview.org/t/some-minimum-improvement-for-interactive-selection/4679 "2020-06-29T16:01:01Z")

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One change would benefit the usability of interactive selection in Paraview: Maintain any chosen Select (cells/points on, …) button from the top toolbar on the view frame. Any selection I have to make now systematically …

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## [ANSYS inputs](https://discourse.paraview.org/t/ansys-inputs/1125)

<div class="topic-metadata">

**Author:** [@jed-pnnl](https://discourse.paraview.org/u/jed-pnnl)\
**Replies:** 1\
**Last updated:** [January 11, 2019, 1:11am UTC](https://discourse.paraview.org/t/ansys-inputs/1125 "2019-01-11T01:11:04Z")

</div>

Can someone provide the details of what Paraview is looking for in an ANSYS .inp file?

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## [vtkSocketCommunicator::GetVersion() mistmatch when client and server are both v5.11.1](https://discourse.paraview.org/t/vtksocketcommunicator-getversion-mistmatch-when-client-and-server-are-both-v5-11-1/12888)

<div class="topic-metadata">

**Author:** [@jgrime](https://discourse.paraview.org/u/jgrime)\
**Replies:** 8\
**Last updated:** [September 20, 2023, 8:16pm UTC](https://discourse.paraview.org/t/vtksocketcommunicator-getversion-mistmatch-when-client-and-server-are-both-v5-11-1/12888 "2023-09-20T20:16:14Z")

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I installed ParaView 5.11.1 in a Docker container running Ubuntu 20.04 as per the build instructions. The resultant pvserver executable reports the following: paraview\_build/bin# ./pvserver --version paraview version 5.…

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## [Types of XDMF readers](https://discourse.paraview.org/t/types-of-xdmf-readers/1232)

<div class="topic-metadata">

**Author:** [@Michael\_Jackson](https://discourse.paraview.org/u/Michael_Jackson)\
**Replies:** 1\
**Last updated:** [November 26, 2022, 8:18pm UTC](https://discourse.paraview.org/t/types-of-xdmf-readers/1232 "2022-11-26T20:18:05Z")

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We have noticed lately that when we drag our .xdmf files into ParaView 5.6.0 it now presents 3 different readers. XDMF, XDMF3ReaderS and XDMF3ReaderT. What is the difference between all of them? Is there something we can…

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## [Adding FieldData to TimeSeries](https://discourse.paraview.org/t/adding-fielddata-to-timeseries/4616)

<div class="topic-metadata">

**Author:** [@leopessanha](https://discourse.paraview.org/u/leopessanha)\
**Replies:** 3\
**Last updated:** [June 19, 2020, 9:52am UTC](https://discourse.paraview.org/t/adding-fielddata-to-timeseries/4616 "2020-06-19T09:52:58Z")

</div>

Hi, ParaView community! I have a time series with 50 timesteps and a CSV with 50 rows. I’d like to add each row information to the FieldData of each timestep. Is that possible? If so, where to start? Best regards,

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## [Negative cells volume while reading Fluent .cas file](https://discourse.paraview.org/t/negative-cells-volume-while-reading-fluent-cas-file/14285)

<div class="topic-metadata">

**Author:** [@PawelekPro](https://discourse.paraview.org/u/PawelekPro)\
**Replies:** 6\
**Last updated:** [February 12, 2025, 3:30am UTC](https://discourse.paraview.org/t/negative-cells-volume-while-reading-fluent-cas-file/14285 "2025-02-12T03:30:19Z")

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I would like to load a Fluent .cas file using Fluent case reader in paraview. After loading the file, it appears that the mesh contains elements with negative volume (I checked this with the Cell Size filter). Let me jus…

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## [Issue with mpich in ParaView 5.11.0-RC1](https://discourse.paraview.org/t/issue-with-mpich-in-paraview-5-11-0-rc1/10369)

<div class="topic-metadata">

**Author:** [@joeh](https://discourse.paraview.org/u/joeh)\
**Replies:** 4\
**Last updated:** [October 30, 2022, 3:54pm UTC](https://discourse.paraview.org/t/issue-with-mpich-in-paraview-5-11-0-rc1/10369 "2022-10-30T15:54:10Z")

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Hello, I have been testing paraview 5.11.0-RC1 under linux, building it with the superbuild. I have found that when building it with the internal MPI mpich version that while mpich is built correctly, it is not proper…

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## [Paraview 5.7 Crystal Eyes can not work](https://discourse.paraview.org/t/paraview-5-7-crystal-eyes-can-not-work/3013)

<div class="topic-metadata">

**Author:** [@lyz](https://discourse.paraview.org/u/lyz)\
**Replies:** 3\
**Last updated:** [November 22, 2019, 6:06pm UTC](https://discourse.paraview.org/t/paraview-5-7-crystal-eyes-can-not-work/3013 "2019-11-22T18:06:56Z")

</div>

Paraview 5.7 Crystal Eyes can not work. I use command line “paraview --stereo --stereo-type=“Crystal Eyes””, however, it seems this mode can not work.

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## [segmented line plot](https://discourse.paraview.org/t/segmented-line-plot/13986)

<div class="topic-metadata">

**Author:** [@Ali1990dashti](https://discourse.paraview.org/u/Ali1990dashti)\
**Replies:** 4\
**Last updated:** [February 23, 2024, 12:56pm UTC](https://discourse.paraview.org/t/segmented-line-plot/13986 "2024-02-23T12:56:12Z")

</div>

Dear all, I want to make a line plot in paraview but rather than astraght line, the line should be segmented. The fillowing figure shows how the line should look like: How can I define such trace in paraview? Plot O…

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## [Error in ParaView 5.7.0 when compiling with gcc 4.9.4 lots of error: no type named ‘ValueType’ in ‘auto’](https://discourse.paraview.org/t/error-in-paraview-5-7-0-when-compiling-with-gcc-4-9-4-lots-of-error-no-type-named-valuetype-in-auto/3366)

<div class="topic-metadata">

**Author:** [@chart3388](https://discourse.paraview.org/u/chart3388)\
**Replies:** 4\
**Last updated:** [January 19, 2020, 6:15pm UTC](https://discourse.paraview.org/t/error-in-paraview-5-7-0-when-compiling-with-gcc-4-9-4-lots-of-error-no-type-named-valuetype-in-auto/3366 "2020-01-19T18:15:08Z")

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Building ParaView with the latest superbuild on commit dbfee3f64e9b64e126a2df217f0156381251aa3b with gcc-4.9.4 I get lots of repeated errors in the form of error: no type named ‘ValueType’ in ‘auto’ and of: \<l…

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## [Is there any "CanFilter" APIs?](https://discourse.paraview.org/t/is-there-any-canfilter-apis/2222)

<div class="topic-metadata">

**Author:** [@sharon](https://discourse.paraview.org/u/sharon)\
**Replies:** 4\
**Last updated:** [July 15, 2019, 4:02pm UTC](https://discourse.paraview.org/t/is-there-any-canfilter-apis/2222 "2019-07-15T16:02:40Z")

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I create my own filter, but these filter is just can use for my own “MyMultiBlockDataSet” which inherited from vtkMultiBlockDataSet. So i wonder is there any method i can check the input vtkMultiBlockDataSet to decide w…

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## [Extract Range from slice representation](https://discourse.paraview.org/t/extract-range-from-slice-representation/9766)

<div class="topic-metadata">

**Author:** [@fvitello](https://discourse.paraview.org/u/fvitello)\
**Replies:** 2\
**Last updated:** [June 9, 2022, 12:34pm UTC](https://discourse.paraview.org/t/extract-range-from-slice-representation/9766 "2022-06-09T12:34:42Z")

</div>

Dear all, how can I extract, in my cpp custom application, the min/max values of the visualized slice? Thanks

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## [Highlight points](https://discourse.paraview.org/t/highlight-points/8133)

<div class="topic-metadata">

**Author:** [@Andrea](https://discourse.paraview.org/u/Andrea)\
**Replies:** 2\
**Last updated:** [October 7, 2021, 7:30am UTC](https://discourse.paraview.org/t/highlight-points/8133 "2021-10-07T07:30:14Z")

</div>

Hi, Probably it is a very simple question but I have not found the answer on google or documentation. Can I highlight (putting markers) some points in paraview? I am post processing a room and I want to mark points wh…

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## [AttributeError: 'NoneType' object has no attribute 'GetTuple'](https://discourse.paraview.org/t/attributeerror-nonetype-object-has-no-attribute-gettuple/8089)

<div class="topic-metadata">

**Author:** [@Muhammad\_Choudhry](https://discourse.paraview.org/u/Muhammad_Choudhry)\
**Replies:** 2\
**Last updated:** [September 28, 2021, 10:16am UTC](https://discourse.paraview.org/t/attributeerror-nonetype-object-has-no-attribute-gettuple/8089 "2021-09-28T10:16:36Z")

</div>

Hi, please see the attach script I have been using this script from an year now all was working fine since I use openfoam8 because of the interface compression upgrade my script is giving me error below, which I have no …

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## [black box rendering error in batch mode](https://discourse.paraview.org/t/black-box-rendering-error-in-batch-mode/1670)

<div class="topic-metadata">

**Author:** [@Mark\_Lohry](https://discourse.paraview.org/u/Mark_Lohry)\
**Replies:** 2\
**Last updated:** [April 16, 2019, 1:54am UTC](https://discourse.paraview.org/t/black-box-rendering-error-in-batch-mode/1670 "2019-04-16T01:54:49Z")

</div>

When running in batch mode with pvpython outputting images, I find that maybe 1 in 4 images has a black box overlay on it in some random location. Anyone come across this?

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## [Remove dataset points via programmable filter](https://discourse.paraview.org/t/remove-dataset-points-via-programmable-filter/8639)

<div class="topic-metadata">

**Author:** [@Captain\_Convergence](https://discourse.paraview.org/u/Captain_Convergence)\
**Replies:** 1\
**Last updated:** [December 17, 2021, 4:44pm UTC](https://discourse.paraview.org/t/remove-dataset-points-via-programmable-filter/8639 "2021-12-17T16:44:31Z")

</div>

Dear all, I am trying to remove points from a dataset based on geometrical conditions. In order to do so I have to get the coordinates of the dataset, select which ones fulfill my conditions and then generate a new data…

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## [\[FIXED\] Problem in building a Dock Panel plugin for Paraview](https://discourse.paraview.org/t/fixed-problem-in-building-a-dock-panel-plugin-for-paraview/966)

<div class="topic-metadata">

**Author:** [@sabyasachi](https://discourse.paraview.org/u/sabyasachi)\
**Replies:** 0\
**Last updated:** [November 27, 2018, 1:44pm UTC](https://discourse.paraview.org/t/fixed-problem-in-building-a-dock-panel-plugin-for-paraview/966 "2018-11-27T13:44:02Z")

</div>

Hello all, I am trying to create a Dock Panel plugin for a custom-build of Paraview. For this, I created a QDockWidget in QT Creator (based on QT 5) and then wrote the code in CMakeLists.txt to build it as a Paraview pl…

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## [ERROR WITH IMAGE SEQUENCE (Tiff, BMP, RAW)](https://discourse.paraview.org/t/error-with-image-sequence-tiff-bmp-raw/938)

<div class="topic-metadata">

**Author:** [@Ricardo\_Rosa](https://discourse.paraview.org/u/Ricardo_Rosa)\
**Replies:** 2\
**Last updated:** [November 20, 2018, 6:48pm UTC](https://discourse.paraview.org/t/error-with-image-sequence-tiff-bmp-raw/938 "2018-11-20T18:48:02Z")

</div>

Hi everyone, Im openning a image stack of microfossil that I had microtomographed. It worked to open it like a tiff file, but when Im trying to manipulating it with the filters (like threshold) it’s doesnt work and the P…

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## [VTKPythonAlgorithmBase smproperty.stringvector callback modification action](https://discourse.paraview.org/t/vtkpythonalgorithmbase-smproperty-stringvector-callback-modification-action/9239)

<div class="topic-metadata">

**Author:** [@lou75](https://discourse.paraview.org/u/lou75)\
**Replies:** 4\
**Last updated:** [March 21, 2022, 6:34pm UTC](https://discourse.paraview.org/t/vtkpythonalgorithmbase-smproperty-stringvector-callback-modification-action/9239 "2022-03-21T18:34:41Z")

</div>

Hi, for a VTKPythonAlgorithmBase panel, is there a way to declare a callback function for an smproperty.stringvector upon a modification action ? thanks for help

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## [Assigning non-constant longitude/latitude to a mesh](https://discourse.paraview.org/t/assigning-non-constant-longitude-latitude-to-a-mesh/9348)

<div class="topic-metadata">

**Author:** [@jbbarre](https://discourse.paraview.org/u/jbbarre)\
**Replies:** 3\
**Last updated:** [June 7, 2022, 8:23am UTC](https://discourse.paraview.org/t/assigning-non-constant-longitude-latitude-to-a-mesh/9348 "2022-06-07T08:23:19Z")

</div>

Hello, I want to display the mesh used in a numerical simulation (Nemo ocean model). The model has 803\*803 cells with coordinates defined by longitude and latitude. Each cell has a specific size, which means that the g…

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## [Get the profile/shape/outline of several polygons](https://discourse.paraview.org/t/get-the-profile-shape-outline-of-several-polygons/11599)

<div class="topic-metadata">

**Author:** [@Marek-Muchow](https://discourse.paraview.org/u/Marek-Muchow)\
**Replies:** 2\
**Last updated:** [March 13, 2023, 9:44am UTC](https://discourse.paraview.org/t/get-the-profile-shape-outline-of-several-polygons/11599 "2023-03-13T09:44:04Z")

</div>

Hi, I have 3D polygonal vtk data, which I want to reduce to 2D and then get the outline/profile of that shape. The latter is what I struggle to archive. My best bet yet is use the Calculator (Coordinate Results and use…

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## [Using Paraview in parallel](https://discourse.paraview.org/t/using-paraview-in-parallel/14794)

<div class="topic-metadata">

**Author:** [@akshay0809](https://discourse.paraview.org/u/akshay0809)\
**Replies:** 1\
**Last updated:** [June 7, 2024, 8:09am UTC](https://discourse.paraview.org/t/using-paraview-in-parallel/14794 "2024-06-07T08:09:16Z")

</div>

Hello, I am trying to use paraview in a HPC environment. I want to utilize GPUs for rendering and also use multiple cores for performing quicker calculations . I have previously tried running using mpirun -np 24 pvserve…

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## [EnSight Binary vs ASCII Format Erroneous Negative Values](https://discourse.paraview.org/t/ensight-binary-vs-ascii-format-erroneous-negative-values/2107)

<div class="topic-metadata">

**Author:** [@jrweinmeister](https://discourse.paraview.org/u/jrweinmeister)\
**Replies:** 0\
**Last updated:** [June 25, 2019, 7:22pm UTC](https://discourse.paraview.org/t/ensight-binary-vs-ascii-format-erroneous-negative-values/2107 "2019-06-25T19:22:45Z")

</div>

I have come across an issue where Fluent data exported in binary Ensight format can produce negative values for an all positive variable. However, the data gives appropriate values when exported in ASCII format from Flue…

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## [Interpolate onto part of the domain](https://discourse.paraview.org/t/interpolate-onto-part-of-the-domain/2853)

<div class="topic-metadata">

**Author:** [@henry2004y](https://discourse.paraview.org/u/henry2004y)\
**Replies:** 2\
**Last updated:** [October 27, 2019, 6:12pm UTC](https://discourse.paraview.org/t/interpolate-onto-part-of-the-domain/2853 "2019-10-27T18:12:14Z")

</div>

Hi there, This should be simple, but I don’t know what to do. My input file is a 3D unstructured vtu. Since I am only interested in part of the domain, I want to interpolate data on a structured mesh for that specific …

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