# ParaView Support

**URL:** https://discourse.paraview.org/c/paraview-support/7.md?page=67

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**Page:** 68

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## [Create a Solid surface from points using the Delaunay 3D filter](https://discourse.paraview.org/t/create-a-solid-surface-from-points-using-the-delaunay-3d-filter/11912)

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**Author:** [@Renard](https://discourse.paraview.org/u/Renard)\
**Replies:** 3\
**Last updated:** [September 5, 2023, 8:46am UTC](https://discourse.paraview.org/t/create-a-solid-surface-from-points-using-the-delaunay-3d-filter/11912 "2023-09-05T08:46:17Z")

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Hi, I have a set of discrete visualization points as seen in the image which is in the shape of the letter H (left side of the image). I’m trying to make a solid surface for better visualization using these points us…

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## [LagrangianParticleTracker example file](https://discourse.paraview.org/t/lagrangianparticletracker-example-file/571)

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**Author:** [@ngvjai](https://discourse.paraview.org/u/ngvjai)\
**Replies:** 24\
**Last updated:** [September 4, 2023, 3:11pm UTC](https://discourse.paraview.org/t/lagrangianparticletracker-example-file/571 "2023-09-04T15:11:36Z")

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Hi, I learnd there is a LagrangianParticleTracker from https://blog.kitware.com/vtk-and-paraview-add-highly-configurable-particle-tracker/, so are there some examples files or other materials I can used to learn the us…

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## [Mean pressure and mass flow in specified area](https://discourse.paraview.org/t/mean-pressure-and-mass-flow-in-specified-area/12793)

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**Author:** [@Lennart](https://discourse.paraview.org/u/Lennart)\
**Replies:** 7\
**Last updated:** [September 4, 2023, 2:22pm UTC](https://discourse.paraview.org/t/mean-pressure-and-mass-flow-in-specified-area/12793 "2023-09-04T14:22:14Z")

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Hey, I’d like to postprocess my AirShaper simulation. The goal is to get mean pressure at the beginning and at the end of a inlet duct of a jet model and also mass flow through the inlet duct. I started creating an aer…

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## [Changing properties of selected objects simultaneously](https://discourse.paraview.org/t/changing-properties-of-selected-objects-simultaneously/12806)

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**Author:** [@mardar](https://discourse.paraview.org/u/mardar)\
**Replies:** 5\
**Last updated:** [September 4, 2023, 8:33am UTC](https://discourse.paraview.org/t/changing-properties-of-selected-objects-simultaneously/12806 "2023-09-04T08:33:15Z")

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I’m aware of this post link but I think it should be another way to change the selected object’s coloring or representation simultaneously without using filters or links. It only changes the last selected object’s proper…

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## [Tangential and radial components of velocity](https://discourse.paraview.org/t/tangential-and-radial-components-of-velocity/12796)

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**Author:** [@Robert](https://discourse.paraview.org/u/Robert)\
**Replies:** 5\
**Last updated:** [September 3, 2023, 2:15am UTC](https://discourse.paraview.org/t/tangential-and-radial-components-of-velocity/12796 "2023-09-03T02:15:20Z")

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Dear all, I have a simple flow configuration of a vortex in a pipe which I performed using the Code\_Saturne software. Now I want to visualize using ParaVIEW the tangential and radial components of the velocity but I fi…

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## [\[ bug \] Bad velocity array streamTracerWithCustomSource](https://discourse.paraview.org/t/bug-bad-velocity-array-streamtracerwithcustomsource/12784)

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**Author:** [@otaolafr](https://discourse.paraview.org/u/otaolafr)\
**Replies:** 11\
**Last updated:** [September 1, 2023, 11:18am UTC](https://discourse.paraview.org/t/bug-bad-velocity-array-streamtracerwithcustomsource/12784 "2023-09-01T11:18:25Z")

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hello, I am having an issue with a workflow that I am used to do in my cases. info about my case: it is a OpenFOAM case (so .foam paraview reader) paraview vr 5.11.1 in time step 0 the case has the U, p fields and la…

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

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**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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## [Use paraview to read .dat file](https://discourse.paraview.org/t/use-paraview-to-read-dat-file/12689)

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**Author:** [@gggood](https://discourse.paraview.org/u/gggood)\
**Replies:** 3\
**Last updated:** [August 31, 2023, 9:36am UTC](https://discourse.paraview.org/t/use-paraview-to-read-dat-file/12689 "2023-08-31T09:36:18Z")

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Hello,all! I have a .dat file. I try to plot them with Paraview. But maybe it doesn’t read the file successfully and it doesn’t have a result plot. Another point, it dosen’t show me any errors. Rewards, Celina.

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## [Creating radial slices of a helical tube](https://discourse.paraview.org/t/creating-radial-slices-of-a-helical-tube/12782)

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**Author:** [@mmd\_sctimst](https://discourse.paraview.org/u/mmd_sctimst)\
**Replies:** 0\
**Last updated:** [August 30, 2023, 7:12pm UTC](https://discourse.paraview.org/t/creating-radial-slices-of-a-helical-tube/12782 "2023-08-30T19:12:42Z")

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Hi, I am new to paraview. I want to create multiple slices along a helical tube at different angles with respect to the centre axis of the helix. I tried manually adjusting the slicing plane but its difficult to find wh…

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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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## [Surface plot or polyline plot](https://discourse.paraview.org/t/surface-plot-or-polyline-plot/7485)

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**Author:** [@Super\_Dizzer](https://discourse.paraview.org/u/Super_Dizzer)\
**Replies:** 12\
**Last updated:** [March 23, 2022, 1:06am UTC](https://discourse.paraview.org/t/surface-plot-or-polyline-plot/7485 "2022-03-23T01:06:44Z")

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Paraview\_Help.vtk (1.9 MB) Hi Community, There has to be a way to visualize the surface Mach plot or Cp plot from a 2D simulation. I cannot figure out the feature set where I can either extract the data from a polyline…

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## [Problem with static mesh plugin](https://discourse.paraview.org/t/problem-with-static-mesh-plugin/12748)

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**Author:** [@luismhy](https://discourse.paraview.org/u/luismhy)\
**Replies:** 4\
**Last updated:** [August 28, 2023, 11:33am UTC](https://discourse.paraview.org/t/problem-with-static-mesh-plugin/12748 "2023-08-28T11:33:35Z")

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Hi everyone. The other day I opened a post explaining a problem I have. My target is to optimize the post-processing time of heavy CFD datasets obtained by Fluent in format Ensight Gold. As a first workaround, I thou…

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## [Disable rendering of interior faces that are between cells of different order](https://discourse.paraview.org/t/disable-rendering-of-interior-faces-that-are-between-cells-of-different-order/12745)

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**Author:** [@florian360](https://discourse.paraview.org/u/florian360)\
**Replies:** 5\
**Last updated:** [August 28, 2023, 9:32am UTC](https://discourse.paraview.org/t/disable-rendering-of-interior-faces-that-are-between-cells-of-different-order/12745 "2023-08-28T09:32:27Z")

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Hello everyone. I have an unstructured grid composed of two elements. One linear hexahedron ( 8 nodes ), and one tri quadratic hexahedron ( 8 nodes ). These two elements are side by side, and I have enforced the connect…

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## [Use Below Range Color option doesn't seem to respect "below"](https://discourse.paraview.org/t/use-below-range-color-option-doesnt-seem-to-respect-below/12746)

<div class="topic-metadata">

**Author:** [@GregVernon](https://discourse.paraview.org/u/GregVernon)\
**Replies:** 1\
**Last updated:** [August 25, 2023, 8:50pm UTC](https://discourse.paraview.org/t/use-below-range-color-option-doesnt-seem-to-respect-below/12746 "2023-08-25T20:50:17Z")

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See below image. I’m noticing in my datasets that when a value is 0.0, and I have a colorbar range set to \[0.0, \<value\>\] that the Use Below Range Color option is being used for values equal to or less than the minimum v…

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## [recommended tests/examples to validate HPC installation, especially rendering](https://discourse.paraview.org/t/recommended-tests-examples-to-validate-hpc-installation-especially-rendering/12048)

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**Author:** [@Dave\_DeMarle](https://discourse.paraview.org/u/Dave_DeMarle)\
**Replies:** 2\
**Last updated:** [August 25, 2023, 10:16am UTC](https://discourse.paraview.org/t/recommended-tests-examples-to-validate-hpc-installation-especially-rendering/12048 "2023-08-25T10:16:25Z")

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Hi, I want to run some ParaView and Catalyst2 tests and examples to validate a ParaView installation on a cluster\*. In particular I want to test rendering. What would you all recommend? Thanks in advance for any advic…

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## [Component question](https://discourse.paraview.org/t/component-question/12751)

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**Author:** [@igupta](https://discourse.paraview.org/u/igupta)\
**Replies:** 3\
**Last updated:** [August 25, 2023, 8:49am UTC](https://discourse.paraview.org/t/component-question/12751 "2023-08-25T08:49:36Z")

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Is it possible to create a resultant vector on the surface from, let’s say, y components. I want to check the resultant vector of the reaction forces on a surface.

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## [velocity component glyph](https://discourse.paraview.org/t/velocity-component-glyph/5158)

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**Author:** [@yashika\_dhote](https://discourse.paraview.org/u/yashika_dhote)\
**Replies:** 4\
**Last updated:** [October 19, 2022, 12:43am UTC](https://discourse.paraview.org/t/velocity-component-glyph/5158 "2022-10-19T00:43:21Z")

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Dear All, How to plot y-component of velocity vector in paraview? I have a 2D surface with x and y component of velocity. I tried to plot it using glyph but resultant velocity vector is plotting. Yashika

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## [CONVERGECFDreader not available for solid simulations](https://discourse.paraview.org/t/convergecfdreader-not-available-for-solid-simulations/12379)

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**Author:** [@jameil\_k](https://discourse.paraview.org/u/jameil_k)\
**Replies:** 7\
**Last updated:** [August 24, 2023, 2:56pm UTC](https://discourse.paraview.org/t/convergecfdreader-not-available-for-solid-simulations/12379 "2023-08-24T14:56:42Z")

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The CONVERGECFDreader option doesn’t appear for simulations with only a solid stream. I also tried forcing paraview to open the .h5 file with CONVERGECFDreader through the command prompt, but I get the error that there i…

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## [Create VTU extension file animation](https://discourse.paraview.org/t/create-vtu-extension-file-animation/12702)

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**Author:** [@Lee](https://discourse.paraview.org/u/Lee)\
**Replies:** 4\
**Last updated:** [August 24, 2023, 3:27am UTC](https://discourse.paraview.org/t/create-vtu-extension-file-animation/12702 "2023-08-24T03:27:11Z")

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Hello Paraview team. I am trying to create an animation from a \*.vtu file of FLAC results. As far as I know, my \*.vtu file contains all the time history data. When this data is loaded into paraview, only the last resu…

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## [How to specific the number of sampling points of "plot on sorted line" filter](https://discourse.paraview.org/t/how-to-specific-the-number-of-sampling-points-of-plot-on-sorted-line-filter/12737)

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**Author:** [@pearlpirate](https://discourse.paraview.org/u/pearlpirate)\
**Replies:** 4\
**Last updated:** [August 24, 2023, 2:42am UTC](https://discourse.paraview.org/t/how-to-specific-the-number-of-sampling-points-of-plot-on-sorted-line-filter/12737 "2023-08-24T02:42:16Z")

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Dear paraview users and developers, As we all know, we can specify how many sampling points we want when using “plot over line” filter. But is there a way to do the same thing in the filter of “plot on sorted line”? It …

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## [Paraview in python: ModuleNotFoundError](https://discourse.paraview.org/t/paraview-in-python-modulenotfounderror/11220)

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**Author:** [@kskollepara](https://discourse.paraview.org/u/kskollepara)\
**Replies:** 3\
**Last updated:** [August 23, 2023, 3:30pm UTC](https://discourse.paraview.org/t/paraview-in-python-modulenotfounderror/11220 "2023-08-23T15:30:06Z")

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I am sure this is a trivial question (I am a beginner in paraview): I am importing paraview.simple from the anaconda python interpreter (OS: Ubuntu 22.04). As per the comments written in paraview/\_\_init\_\_.py, I understan…

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## [opening series files using "--data" command line option failed](https://discourse.paraview.org/t/opening-series-files-using-data-command-line-option-failed/12728)

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**Author:** [@dchzsz741](https://discourse.paraview.org/u/dchzsz741)\
**Replies:** 6\
**Last updated:** [August 23, 2023, 2:38pm UTC](https://discourse.paraview.org/t/opening-series-files-using-data-command-line-option-failed/12728 "2023-08-23T14:38:37Z")

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Hi all, I got a problem when opening series files using the “–data” command line option. Problem: Suppose two data files named “my0.vtk” and “my1.vtk” exist in the folder “test”. The command “paraview --data=test/my…vtk…

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## [Cumulative time step geometry](https://discourse.paraview.org/t/cumulative-time-step-geometry/12739)

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**Author:** [@SJackson](https://discourse.paraview.org/u/SJackson)\
**Replies:** 5\
**Last updated:** [August 23, 2023, 1:33pm UTC](https://discourse.paraview.org/t/cumulative-time-step-geometry/12739 "2023-08-23T13:33:00Z")

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Hi, I am trying to visualize some results with geometries in each time step. The data I import has geometry files separate for the time steps, however I want the geometries to display cumulatively eg. when viewing time…

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## [ParaView 5.8.1 - Unable to load in a .dat tecplot file](https://discourse.paraview.org/t/paraview-5-8-1-unable-to-load-in-a-dat-tecplot-file/5684)

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**Author:** [@djpopich](https://discourse.paraview.org/u/djpopich)\
**Replies:** 5\
**Last updated:** [August 22, 2023, 11:44pm UTC](https://discourse.paraview.org/t/paraview-5-8-1-unable-to-load-in-a-dat-tecplot-file/5684 "2023-08-22T23:44:14Z")

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Hi, I’m having an error loading in a tecplot file from Nasa’s Fun3D. I know that the two warnings can be ignored as they are not supported yet the last error causes the file to not load in the render at all. Its as if …

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## [Error reading in tecplot dat file](https://discourse.paraview.org/t/error-reading-in-tecplot-dat-file/3755)

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**Author:** [@dwesley](https://discourse.paraview.org/u/dwesley)\
**Replies:** 6\
**Last updated:** [August 22, 2023, 11:41pm UTC](https://discourse.paraview.org/t/error-reading-in-tecplot-dat-file/3755 "2023-08-22T23:41:33Z")

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Hi, apologies if this has been asked before - i searched but couldn’t find an answer. I’m attempting to read in a .dat file with the Tecplot reader but keep encountering errors. The SOLUTIONTIME and STRANDID warnings can…

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## [Paraview hangs when updating slice filter origin](https://discourse.paraview.org/t/paraview-hangs-when-updating-slice-filter-origin/12733)

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**Author:** [@NotDrJeff](https://discourse.paraview.org/u/NotDrJeff)\
**Replies:** 2\
**Last updated:** [August 22, 2023, 2:25pm UTC](https://discourse.paraview.org/t/paraview-hangs-when-updating-slice-filter-origin/12733 "2023-08-22T14:25:06Z")

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Hello, I have written a python script for use with pvbatch. I have tried it with PV version 5.10.1 and 5.11.1 on a linux cluster. I load an openfoam case, apply some filters including taking a slice, followed by some m…

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## [Spatio-temporal parallelism 5.11](https://discourse.paraview.org/t/spatio-temporal-parallelism-5-11/12656)

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**Author:** [@luismhy](https://discourse.paraview.org/u/luismhy)\
**Replies:** 2\
**Last updated:** [August 22, 2023, 11:24am UTC](https://discourse.paraview.org/t/spatio-temporal-parallelism-5-11/12656 "2023-08-22T11:24:53Z")

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Hello everyone. I would to ask about the “spatio-temporal parallelism” discussed in these two posts: https://www.kitware.com/spatio-temporal-parallelism-with-paraview/ https://www.kitware.com/paraview-spatio-temporal-…

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## [Unable to find paraview library installed from source](https://discourse.paraview.org/t/unable-to-find-paraview-library-installed-from-source/5299)

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**Author:** [@carlosprados11](https://discourse.paraview.org/u/carlosprados11)\
**Replies:** 8\
**Last updated:** [August 22, 2023, 9:57am UTC](https://discourse.paraview.org/t/unable-to-find-paraview-library-installed-from-source/5299 "2023-08-22T09:57:34Z")

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Hi everyone. I am having some problems finding the library paraview from others libraries. I installed paraview library from source, but other libraries don’t find it. This is the error provided: CMake Error at paravie…

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## [Extract data from information tab in paraview?](https://discourse.paraview.org/t/extract-data-from-information-tab-in-paraview/6503)

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**Author:** [@123](https://discourse.paraview.org/u/123)\
**Replies:** 4\
**Last updated:** [February 19, 2021, 4:43pm UTC](https://discourse.paraview.org/t/extract-data-from-information-tab-in-paraview/6503 "2021-02-19T16:43:37Z")

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Hello, Is it possible to extract the X, Y, Z Ranges for every time step, from the information tab below, into a spread sheet using python or any other way? Many thanks in advance

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## [How best to generate line-segments from 6 column CSV data?](https://discourse.paraview.org/t/how-best-to-generate-line-segments-from-6-column-csv-data/12713)

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**Author:** [@wsherman](https://discourse.paraview.org/u/wsherman)\
**Replies:** 3\
**Last updated:** [August 21, 2023, 6:44pm UTC](https://discourse.paraview.org/t/how-best-to-generate-line-segments-from-6-column-csv-data/12713 "2023-08-21T18:44:06Z")

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Hello, I’ve looked at existing topics discussing CSV data containing 2 points on a line, but in these other cases, vectors are generated, which then all presumably emanate from the origin. What I would like to do is ge…

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