# ParaView Support

**URL:** https://discourse.paraview.org/c/paraview-support/7.md?page=121

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**Page:** 122

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## [Get field data at locations based on point data](https://discourse.paraview.org/t/get-field-data-at-locations-based-on-point-data/8003)

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**Author:** [@massisenergy](https://discourse.paraview.org/u/massisenergy)\
**Replies:** 2\
**Last updated:** [September 15, 2021, 11:26am UTC](https://discourse.paraview.org/t/get-field-data-at-locations-based-on-point-data/8003 "2021-09-15T11:26:03Z")

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I have DEM (or LPT) simulation data as point data. I also have the underlying fluid data in field. I want to get values from the fluid where the particles resides (point locations). I would like to use the ProgrammableFi…

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## [Compilation speed - parallelization](https://discourse.paraview.org/t/compilation-speed-parallelization/8713)

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**Author:** [@crohr](https://discourse.paraview.org/u/crohr)\
**Replies:** 5\
**Last updated:** [December 30, 2021, 3:09pm UTC](https://discourse.paraview.org/t/compilation-speed-parallelization/8713 "2021-12-30T15:09:34Z")

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I have tried looking for information about how to take advantage of multiple cores when compiling ParaView but haven’t had any luck. Using ninja or make spawns processses on all (or specified) cores, but I get barely mo…

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## [Launch pvserver using .pvsc on Windows](https://discourse.paraview.org/t/launch-pvserver-using-pvsc-on-windows/7959)

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**Author:** [@woodscn](https://discourse.paraview.org/u/woodscn)\
**Replies:** 3\
**Last updated:** [December 30, 2021, 9:54am UTC](https://discourse.paraview.org/t/launch-pvserver-using-pvsc-on-windows/7959 "2021-12-30T09:54:16Z")

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I’m attempting to launch a pvserver and connect to it on a Windows machine, following the guide here: ParaView:Server Configuration - KitwarePublic. Unfortunately, the process fails with the following error: critical: I…

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## [How is filter hierarchy handled in custom filter?](https://discourse.paraview.org/t/how-is-filter-hierarchy-handled-in-custom-filter/8480)

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**Author:** [@pindakaas](https://discourse.paraview.org/u/pindakaas)\
**Replies:** 1\
**Last updated:** [December 30, 2021, 6:49am UTC](https://discourse.paraview.org/t/how-is-filter-hierarchy-handled-in-custom-filter/8480 "2021-12-30T06:49:38Z")

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Hello, I am trying to create a custom filter which consists of first extracting data from several locations and then combining these extracted locations in a group. Here’s a sort of scheme of what I expect to happen: I…

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## [localhost Multicore Support / select second GPU on local maschine](https://discourse.paraview.org/t/localhost-multicore-support-select-second-gpu-on-local-maschine/8541)

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**Author:** [@CFD-ZWP](https://discourse.paraview.org/u/CFD-ZWP)\
**Replies:** 5\
**Last updated:** [December 30, 2021, 6:40am UTC](https://discourse.paraview.org/t/localhost-multicore-support-select-second-gpu-on-local-maschine/8541 "2021-12-30T06:40:58Z")

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Hello! I have two very simple questions, but I can not find a solution. Here in the forum I could not find to it, on the Internet there is apparently also no one who uses my configuration. OS: Windows 10 Pareaview 5.1…

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## [Allocating stressdata to points](https://discourse.paraview.org/t/allocating-stressdata-to-points/7719)

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**Author:** [@Rafeek\_Serhal](https://discourse.paraview.org/u/Rafeek_Serhal)\
**Replies:** 1\
**Last updated:** [December 30, 2021, 6:24am UTC](https://discourse.paraview.org/t/allocating-stressdata-to-points/7719 "2021-12-30T06:24:11Z")

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Hello I am facing a probelm in vtu file format. I have my global stresses at the nodes in my sructure and I want to give these stresses to the nodes in paravaiew in this fomat " " However, my problem is in each time …

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## [ParaView: How to import into ParaView a csv-file exported from ParaView (reverse procedure of "Save Data")](https://discourse.paraview.org/t/paraview-how-to-import-into-paraview-a-csv-file-exported-from-paraview-reverse-procedure-of-save-data/8711)

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**Author:** [@stonebe](https://discourse.paraview.org/u/stonebe)\
**Replies:** 7\
**Last updated:** [December 30, 2021, 5:34am UTC](https://discourse.paraview.org/t/paraview-how-to-import-into-paraview-a-csv-file-exported-from-paraview-reverse-procedure-of-save-data/8711 "2021-12-30T05:34:20Z")

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My attempt is to import cylinder geometries for boreholes. Unfortunately, I have not found a guideline how to do this. Therefore, I have created a cylinder within ParaView and exported the cylinder with File \> Save Data….…

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## [Mismatch between .pvtu Pieces count and MPI visualization rank count](https://discourse.paraview.org/t/mismatch-between-pvtu-pieces-count-and-mpi-visualization-rank-count/8674)

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**Author:** [@Luke](https://discourse.paraview.org/u/Luke)\
**Replies:** 2\
**Last updated:** [December 28, 2021, 9:42pm UTC](https://discourse.paraview.org/t/mismatch-between-pvtu-pieces-count-and-mpi-visualization-rank-count/8674 "2021-12-28T21:42:23Z")

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Hi Everyone, We have a solver that produces .pvd timeseries data where each element is a .pvtu that links together a bunch of pieces as \_n.vtu that are output independently by each rank. When we visualize this from one…

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## [.msh to plot3d](https://discourse.paraview.org/t/msh-to-plot3d/8703)

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**Author:** [@Saji\_M](https://discourse.paraview.org/u/Saji_M)\
**Replies:** 6\
**Last updated:** [December 28, 2021, 8:56am UTC](https://discourse.paraview.org/t/msh-to-plot3d/8703 "2021-12-28T08:56:22Z")

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Hai, I have mesh file in .msh format…can any one tell how to convert it in to plot 3D file format?

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## [Extracting data in pvpython](https://discourse.paraview.org/t/extracting-data-in-pvpython/8654)

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**Author:** [@oshende](https://discourse.paraview.org/u/oshende)\
**Replies:** 2\
**Last updated:** [December 27, 2021, 6:30pm UTC](https://discourse.paraview.org/t/extracting-data-in-pvpython/8654 "2021-12-27T18:30:05Z")

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We are trying to use Paraview to extract data from EXODUS II data files generated by a CFD solver. Doing this via the GUI is straightforward using PlotSelectionOverTime, but we want to speed this extraction up by using …

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## [Select Cells Through with Polygon](https://discourse.paraview.org/t/select-cells-through-with-polygon/8689)

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**Author:** [@Clockwork](https://discourse.paraview.org/u/Clockwork)\
**Replies:** 12\
**Last updated:** [December 27, 2021, 6:12pm UTC](https://discourse.paraview.org/t/select-cells-through-with-polygon/8689 "2021-12-27T18:12:00Z")

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I am trying to select cells using a polygon on a surface mesh. My issue is that the “Select Cells With Polygon” seems to be missing certain triangles inside the polygon. I can’t quite figure out what is causing this be…

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## [Building Paraview Superbuild with custom python version](https://discourse.paraview.org/t/building-paraview-superbuild-with-custom-python-version/8368)

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**Author:** [@anthomas](https://discourse.paraview.org/u/anthomas)\
**Replies:** 8\
**Last updated:** [December 27, 2021, 5:06pm UTC](https://discourse.paraview.org/t/building-paraview-superbuild-with-custom-python-version/8368 "2021-12-27T17:06:30Z")

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I am trying to build the paraview superbuild (v5.9.1) with a version of python that has extra modules. The project successfully builds, but when I run paraview I receive a message stating: “Python support not available!”…

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## [Remove points from a dataset knowing their exact location](https://discourse.paraview.org/t/remove-points-from-a-dataset-knowing-their-exact-location/8683)

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**Author:** [@Captain\_Convergence](https://discourse.paraview.org/u/Captain_Convergence)\
**Replies:** 4\
**Last updated:** [December 27, 2021, 4:31pm UTC](https://discourse.paraview.org/t/remove-points-from-a-dataset-knowing-their-exact-location/8683 "2021-12-27T16:31:14Z")

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Dear all, I am working with a MultiBlock mesh which gives me issues when I try to compute spatial gradients (Vorticity, Q-criterion etc…) due to the abrupt change in the \[deltaX,deltaY\] when the point that limits the bl…

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## [Transformations, rectangular/circular pattern of the results](https://discourse.paraview.org/t/transformations-rectangular-circular-pattern-of-the-results/8702)

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**Author:** [@FEngineer](https://discourse.paraview.org/u/FEngineer)\
**Replies:** 0\
**Last updated:** [December 27, 2021, 1:32pm UTC](https://discourse.paraview.org/t/transformations-rectangular-circular-pattern-of-the-results/8702 "2021-12-27T13:32:43Z")

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Hi, the structural simulations that I perform often involve specific simplifications - the use of symmetry or reduction to 2D space. It’s very convenient to use some postprocessing tricks to make the results look like a…

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## [Transforming vector results to new coordinate system](https://discourse.paraview.org/t/transforming-vector-results-to-new-coordinate-system/8686)

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**Author:** [@FEngineer](https://discourse.paraview.org/u/FEngineer)\
**Replies:** 5\
**Last updated:** [December 27, 2021, 1:09pm UTC](https://discourse.paraview.org/t/transforming-vector-results-to-new-coordinate-system/8686 "2021-12-27T13:09:02Z")

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Hi, does ParaView have a built-in tool or filter to transform the vector field results (like stress or displacement components) to a user-specified coordinate system ? I’m particularly interested in the transformation t…

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## [Adjust axis step size in plots](https://discourse.paraview.org/t/adjust-axis-step-size-in-plots/8679)

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**Author:** [@Aakash](https://discourse.paraview.org/u/Aakash)\
**Replies:** 2\
**Last updated:** [December 27, 2021, 10:50am UTC](https://discourse.paraview.org/t/adjust-axis-step-size-in-plots/8679 "2021-12-27T10:50:33Z")

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Hi Everyone, Could anyone please tell how to refine the step size of the axis, for example, in the plot below ? Thanks with regards, Aakash

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## [Show deformed FEM model](https://discourse.paraview.org/t/show-deformed-fem-model/8699)

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**Author:** [@Jin\_Qiu](https://discourse.paraview.org/u/Jin_Qiu)\
**Replies:** 1\
**Last updated:** [December 27, 2021, 9:19am UTC](https://discourse.paraview.org/t/show-deformed-fem-model/8699 "2021-12-27T09:19:09Z")

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So could you share how to show the defomed configuration of the FEM model? I output the .pvd file of the displacment of each node. But I do not know how to plot the deformed structure~

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## [Paraview error when opening .vtu file](https://discourse.paraview.org/t/paraview-error-when-opening-vtu-file/6007)

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**Author:** [@Sabrina](https://discourse.paraview.org/u/Sabrina)\
**Replies:** 12\
**Last updated:** [December 26, 2021, 12:40am UTC](https://discourse.paraview.org/t/paraview-error-when-opening-vtu-file/6007 "2021-12-26T00:40:01Z")

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Dear All, I am currently getting an error when I try to open a specific .vtu file with ParaView: ERROR: In /Users/kitware/dashboards/buildbot-slave/a64f5607/build/superbuild/paraview/src/VTK/IO/XMLParser/vtkXMLDataPars…

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## [Paraview 5.9.1 does not start](https://discourse.paraview.org/t/paraview-5-9-1-does-not-start/8611)

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**Author:** [@mtmorrione](https://discourse.paraview.org/u/mtmorrione)\
**Replies:** 19\
**Last updated:** [December 26, 2021, 12:24am UTC](https://discourse.paraview.org/t/paraview-5-9-1-does-not-start/8611 "2021-12-26T00:24:58Z")

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on my amd processor windows 10 machine paraview does not startup, using AMD Radeon HD 7700 graphics controller. 5.9.1 works well on my windows 10 intel laptop machine

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## [Urgent: Screenshot\_error](https://discourse.paraview.org/t/urgent-screenshot-error/8657)

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**Author:** [@Aakash](https://discourse.paraview.org/u/Aakash)\
**Replies:** 5\
**Last updated:** [December 24, 2021, 5:27pm UTC](https://discourse.paraview.org/t/urgent-screenshot-error/8657 "2021-12-24T17:27:49Z")

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Dear paraview community, I use Paraview 5.9.1 and facing issues while taking a screen shot (.png/.jpeg.bmp). When I set the opacity less than 1, then resultant screen shot has a non-uniform opacity as in the image below…

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## [Stepping through Group Import in Volume Representation](https://discourse.paraview.org/t/stepping-through-group-import-in-volume-representation/8692)

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**Author:** [@waveman](https://discourse.paraview.org/u/waveman)\
**Replies:** 0\
**Last updated:** [December 24, 2021, 8:58am UTC](https://discourse.paraview.org/t/stepping-through-group-import-in-volume-representation/8692 "2021-12-24T08:58:33Z")

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My process is as follows: Import a group of .vtk data Change the Represtation to Volume The coloring automatically changes to the data array name (there is only one per file). Go to the next time (data) step. Coloring…

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## [Automatic grouping of files with Python](https://discourse.paraview.org/t/automatic-grouping-of-files-with-python/4678)

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**Author:** [@wulle](https://discourse.paraview.org/u/wulle)\
**Replies:** 1\
**Last updated:** [December 24, 2021, 8:35am UTC](https://discourse.paraview.org/t/automatic-grouping-of-files-with-python/4678 "2021-12-24T08:35:32Z")

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Dear users, from a parallel simulation with many partitions I get a separate .vtu file from each processor and for each time step. My goal is to automate the generation of .vtk multiblock files (so basically grouping my…

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## [How to set DATA\_TIME\_STEPS when using .series file and TemporalParticlesToPathlines](https://discourse.paraview.org/t/how-to-set-data-time-steps-when-using-series-file-and-temporalparticlestopathlines/4237)

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**Author:** [@kaiser](https://discourse.paraview.org/u/kaiser)\
**Replies:** 9\
**Last updated:** [December 23, 2021, 5:35am UTC](https://discourse.paraview.org/t/how-to-set-data-time-steps-when-using-series-file-and-temporalparticlestopathlines/4237 "2021-12-23T05:35:35Z")

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Hello, I have a data set of points over time, and would like to plot them as pathlines using the TemporalParticlesToPathlines. When I do so, I get the error message: \> ERROR: In /Users/kitware/dashboards/buildbot-slave…

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## [Spherical coordinates and filters](https://discourse.paraview.org/t/spherical-coordinates-and-filters/8682)

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**Author:** [@pln](https://discourse.paraview.org/u/pln)\
**Replies:** 2\
**Last updated:** [December 22, 2021, 8:58pm UTC](https://discourse.paraview.org/t/spherical-coordinates-and-filters/8682 "2021-12-22T20:58:36Z")

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Hello, I am trying to extract a spherical surface from a dataset using paraview 5.8.1 spherical filters. I’m running into a problem that my spherical filter center at (0,0,0) doesn’t extend to the right radius. If I set…

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## [paraview 5.4.1 issue (legacy rendering backend)](https://discourse.paraview.org/t/paraview-5-4-1-issue-legacy-rendering-backend/8677)

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**Author:** [@kkoma7942](https://discourse.paraview.org/u/kkoma7942)\
**Replies:** 1\
**Last updated:** [December 22, 2021, 7:04pm UTC](https://discourse.paraview.org/t/paraview-5-4-1-issue-legacy-rendering-backend/8677 "2021-12-22T19:04:55Z")

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Hi~ everyone, I’m really happy to know this site. Actually, when I faced several issue with paraview, to solve that isuee takes such a long time by googling or several stuffs. I think this site is the perfect place to …

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## [Construct an unstructured grid from arrays](https://discourse.paraview.org/t/construct-an-unstructured-grid-from-arrays/8662)

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**Author:** [@Captain\_Convergence](https://discourse.paraview.org/u/Captain_Convergence)\
**Replies:** 1\
**Last updated:** [December 22, 2021, 8:29am UTC](https://discourse.paraview.org/t/construct-an-unstructured-grid-from-arrays/8662 "2021-12-22T08:29:14Z")

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Dear all, I have some coordinates (XYZ) with associated array-fields (density, pressure, velocity…). I need them to be a continuous grid because I have to compute gradients (vorticiy, density gradients, Q-criterion…). I…

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## [After 'Apply' the 'wrap by scalar', the figure is so small and missing](https://discourse.paraview.org/t/after-apply-the-wrap-by-scalar-the-figure-is-so-small-and-missing/8671)

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**Author:** [@Jin\_Qiu](https://discourse.paraview.org/u/Jin_Qiu)\
**Replies:** 1\
**Last updated:** [December 22, 2021, 8:26am UTC](https://discourse.paraview.org/t/after-apply-the-wrap-by-scalar-the-figure-is-so-small-and-missing/8671 "2021-12-22T08:26:37Z")

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It my first time to use Paraview. I want to plot the deformaed configuration of a 3D OpenSees model. After I click on the ‘wrap by scalar’, the figure is strange. It becom so small and I can not display it. So I am not s…

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## [Colorbar scientific notation format differs for range and labels](https://discourse.paraview.org/t/colorbar-scientific-notation-format-differs-for-range-and-labels/8652)

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**Author:** [@olli\_27](https://discourse.paraview.org/u/olli_27)\
**Replies:** 2\
**Last updated:** [December 21, 2021, 5:58pm UTC](https://discourse.paraview.org/t/colorbar-scientific-notation-format-differs-for-range-and-labels/8652 "2021-12-21T17:58:55Z")

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Hello there, when using scientific format (e.g. ‘%-#6.2e’) for the colorbar labels (rangelabels and labels) the amount of characters for the exponent differs for the rangelabels and labels: For the rangelabels, the expo…

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## [iterate through clips; No Error message for non existing sources on Mac](https://discourse.paraview.org/t/iterate-through-clips-no-error-message-for-non-existing-sources-on-mac/4535)

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**Author:** [@Resa](https://discourse.paraview.org/u/Resa)\
**Replies:** 5\
**Last updated:** [December 21, 2021, 5:38pm UTC](https://discourse.paraview.org/t/iterate-through-clips-no-error-message-for-non-existing-sources-on-mac/4535 "2021-12-21T17:38:20Z")

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Hey everybody, I’d like to do some operations on all clips in my states. Their number varies between the different states. On Windows I address the Clips like this: i = 1 while 1: clipNEW = FindSource("Clip"+str(i…

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## [Increase accuracy of dsa.WrapDataObject](https://discourse.paraview.org/t/increase-accuracy-of-dsa-wrapdataobject/8664)

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**Author:** [@Captain\_Convergence](https://discourse.paraview.org/u/Captain_Convergence)\
**Replies:** 1\
**Last updated:** [December 21, 2021, 4:11pm UTC](https://discourse.paraview.org/t/increase-accuracy-of-dsa-wrapdataobject/8664 "2021-12-21T16:11:11Z")

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Dear all, I am trying to work with a python programmable filter. The problem that I am having is that the dsa.WrapDataObject imports the arrays with dtype=dtype32 but my data has +40 decimals that I need to keep in my s…

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