# ParaView Support

**URL:** https://discourse.paraview.org/c/paraview-support/7.md?page=84

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

**Page:** 85

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## [transparent LIC](https://discourse.paraview.org/t/transparent-lic/7716)

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**Author:** [@louisgag](https://discourse.paraview.org/u/louisgag)\
**Replies:** 4\
**Last updated:** [February 20, 2023, 8:02am UTC](https://discourse.paraview.org/t/transparent-lic/7716 "2023-02-20T08:02:16Z")

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Is there a workaround to enable levels of opacity between 0 and 1 for LIC surfaces? I’ve tried a few, but had so far no success…

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## [Render latex matrix in paraview](https://discourse.paraview.org/t/render-latex-matrix-in-paraview/11429)

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**Author:** [@Trailer1](https://discourse.paraview.org/u/Trailer1)\
**Replies:** 1\
**Last updated:** [February 19, 2023, 7:42pm UTC](https://discourse.paraview.org/t/render-latex-matrix-in-paraview/11429 "2023-02-19T19:42:38Z")

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Hello, How can I introduce a matrix through python annotation(some other means) in paraview? Kind Regards

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## [Save animation without opening paraview](https://discourse.paraview.org/t/save-animation-without-opening-paraview/11443)

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**Author:** [@fieldofnodes](https://discourse.paraview.org/u/fieldofnodes)\
**Replies:** 1\
**Last updated:** [February 19, 2023, 6:45pm UTC](https://discourse.paraview.org/t/save-animation-without-opening-paraview/11443 "2023-02-19T18:45:36Z")

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I have a sate file taht works or paraview 5.6/5.7, since I upgraded Ubuntu to 22.04 and was trying to get python and paraview to work I reinstalled paraview. Now I am using paraview 5.10, but my psvm, pvd files don’t wor…

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## [Error on use calculator](https://discourse.paraview.org/t/error-on-use-calculator/9825)

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**Author:** [@DanielS\_13](https://discourse.paraview.org/u/DanielS_13)\
**Replies:** 14\
**Last updated:** [February 18, 2023, 5:59pm UTC](https://discourse.paraview.org/t/error-on-use-calculator/9825 "2023-02-18T17:59:18Z")

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Hi, I’m new using ParaView so I don’t really know how to describe the error I got. But basically I’m trying to use the ParaView calculator and I’m getting the following error: ERROR: In C:\\glr\\builds\\paraview\\paraview-…

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## [Paraview Opacity problem](https://discourse.paraview.org/t/paraview-opacity-problem/9329)

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**Author:** [@Yang](https://discourse.paraview.org/u/Yang)\
**Replies:** 11\
**Last updated:** [February 18, 2023, 2:27pm UTC](https://discourse.paraview.org/t/paraview-opacity-problem/9329 "2023-02-18T14:27:58Z")

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Hi, I am using ParaView to show a box. When I selected the opacity, it showed like below. How to get rid of the tetrahedron face?

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## [How to display different pieces in pvtu file with different colors](https://discourse.paraview.org/t/how-to-display-different-pieces-in-pvtu-file-with-different-colors/11431)

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**Author:** [@Yang](https://discourse.paraview.org/u/Yang)\
**Replies:** 3\
**Last updated:** [February 18, 2023, 1:39pm UTC](https://discourse.paraview.org/t/how-to-display-different-pieces-in-pvtu-file-with-different-colors/11431 "2023-02-18T13:39:25Z")

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How can I display different pieces in the file “new3\_0.pvtu” new3\_0.zip (143.9 KB) in Paraview? There are two pieces in the file. I have been trying to use Paraview to visualize this dataset, but I am having difficult…

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## [Getting the 'TimeValue' from vtk.vtkXMLPPolyDataReader()](https://discourse.paraview.org/t/getting-the-timevalue-from-vtk-vtkxmlppolydatareader/11434)

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**Author:** [@abhinavsns](https://discourse.paraview.org/u/abhinavsns)\
**Replies:** 0\
**Last updated:** [February 18, 2023, 1:30pm UTC](https://discourse.paraview.org/t/getting-the-timevalue-from-vtk-vtkxmlppolydatareader/11434 "2023-02-18T13:30:25Z")

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I have vtk data files with the XML pvtp format. The pvtp file specifies the vtp pieces and the array names. It also consists of a Field data called ‘TimeValue’. Paraview has no problem reading the ‘TimeValue’ and gettin…

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## [mean value for every slice in a certain direction](https://discourse.paraview.org/t/mean-value-for-every-slice-in-a-certain-direction/11414)

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**Author:** [@jludorf](https://discourse.paraview.org/u/jludorf)\
**Replies:** 2\
**Last updated:** [February 17, 2023, 6:16pm UTC](https://discourse.paraview.org/t/mean-value-for-every-slice-in-a-certain-direction/11414 "2023-02-17T18:16:00Z")

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Hi there, I have a finished OpenFOAM Simulation of a pipe which extrudes on the y axis. Since it’s a turbulent simulation plotting over line doesn’t make sense because of the occurrence of Kármán vortex street. So I wa…

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## [Can't start paraview in Fedora 37](https://discourse.paraview.org/t/cant-start-paraview-in-fedora-37/11418)

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**Author:** [@bloodpressure](https://discourse.paraview.org/u/bloodpressure)\
**Replies:** 4\
**Last updated:** [February 17, 2023, 12:08am UTC](https://discourse.paraview.org/t/cant-start-paraview-in-fedora-37/11418 "2023-02-17T00:08:00Z")

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Hi, I am having trouble starting paraview in Fedora 37. I have tried installing from the repo and downloading the binaries. This gives me two separate errors. In the installation from the fedora repo: paraview: sym…

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## ["Interpret values as categories" not working for string properties (PV 5.11.0 RC2)](https://discourse.paraview.org/t/interpret-values-as-categories-not-working-for-string-properties-pv-5-11-0-rc2/11155)

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**Author:** [@wtfermi](https://discourse.paraview.org/u/wtfermi)\
**Replies:** 15\
**Last updated:** [February 16, 2023, 8:53pm UTC](https://discourse.paraview.org/t/interpret-values-as-categories-not-working-for-string-properties-pv-5-11-0-rc2/11155 "2023-02-16T20:53:54Z")

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Hi there, I have a unstructured vtk mesh with certain “group” labels as strings for the cells. When I try to color the plot by these labels using the “Interpret values as categories”, the legend shows the correct catego…

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## [Zoom To Box question](https://discourse.paraview.org/t/zoom-to-box-question/11359)

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**Author:** [@Andy\_Bauer](https://discourse.paraview.org/u/Andy_Bauer)\
**Replies:** 8\
**Last updated:** [February 16, 2023, 8:20pm UTC](https://discourse.paraview.org/t/zoom-to-box-question/11359 "2023-02-16T20:20:47Z")

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Hi, I’m trying the Zoom To Box but it seems to rotate the view (specifically, the view’s camera angle) if I don’t have Camera Parallel Projection checked. This is the same whether the view is set to a 2D or a 3D view. T…

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## [Visualize connections between vertices given a vertex data](https://discourse.paraview.org/t/visualize-connections-between-vertices-given-a-vertex-data/11423)

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**Author:** [@Juan\_Jose\_Casafranca](https://discourse.paraview.org/u/Juan_Jose_Casafranca)\
**Replies:** 0\
**Last updated:** [February 16, 2023, 10:51am UTC](https://discourse.paraview.org/t/visualize-connections-between-vertices-given-a-vertex-data/11423 "2023-02-16T10:51:29Z")

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I have several triangle meshes, and, for each vertex of the mesh, I have a list of other vertices, with an unknown number of elements, which basically represents a sparse matrix of connectivity. I would like to know how…

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## [Paraview: Create a state file in an external program](https://discourse.paraview.org/t/paraview-create-a-state-file-in-an-external-program/11409)

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**Author:** [@KaushikDas](https://discourse.paraview.org/u/KaushikDas)\
**Replies:** 1\
**Last updated:** [February 16, 2023, 9:14am UTC](https://discourse.paraview.org/t/paraview-create-a-state-file-in-an-external-program/11409 "2023-02-16T09:14:35Z")

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My c++ code outputs a number of vtu files and stl files. Each vtk file has a different mesh and a different number of fields. I want the user to be able to open those vtu files in Paraview together so that they are all o…

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## [Paraview Not Responding When Open vtk File](https://discourse.paraview.org/t/paraview-not-responding-when-open-vtk-file/11415)

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**Author:** [@FanWang10](https://discourse.paraview.org/u/FanWang10)\
**Replies:** 3\
**Last updated:** [February 15, 2023, 3:34pm UTC](https://discourse.paraview.org/t/paraview-not-responding-when-open-vtk-file/11415 "2023-02-15T15:34:13Z")

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Hello, I am trying to open a vtk file with vtkPolyData. It includes a triangular mesh and multiple curves cross the mesh. When the vtk file only have triangular mesh inside, I can open it and the visualization result s…

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## [LS-Dyna Reading Values From Integration Layers](https://discourse.paraview.org/t/ls-dyna-reading-values-from-integration-layers/11413)

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**Author:** [@umit\_polat](https://discourse.paraview.org/u/umit_polat)\
**Replies:** 0\
**Last updated:** [February 15, 2023, 10:12am UTC](https://discourse.paraview.org/t/ls-dyna-reading-values-from-integration-layers/11413 "2023-02-15T10:12:12Z")

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I would like to know which integration layer of shell elements paraview uses while reading LS-Dyna d3plot files and how could one change the layer or get the max value across all layers. Thanks in advance.

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## [How to create a moving dataset for sampling ?](https://discourse.paraview.org/t/how-to-create-a-moving-dataset-for-sampling/11410)

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**Author:** [@s1291](https://discourse.paraview.org/u/s1291)\
**Replies:** 1\
**Last updated:** [February 15, 2023, 1:50am UTC](https://discourse.paraview.org/t/how-to-create-a-moving-dataset-for-sampling/11410 "2023-02-15T01:50:05Z")

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Hello, Is it possible within Paraview to create a moving dataset that follows a moving object? A little bit of context: I need to post-process a flow simulation around a moving airfoil. I have to use a dataset (such a…

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## [Assign time to a timestep](https://discourse.paraview.org/t/assign-time-to-a-timestep/3505)

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**Author:** [@Someone\_fromjapan](https://discourse.paraview.org/u/Someone_fromjapan)\
**Replies:** 12\
**Last updated:** [February 15, 2023, 1:42am UTC](https://discourse.paraview.org/t/assign-time-to-a-timestep/3505 "2023-02-15T01:42:02Z")

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Is there a simple way to assign time to a timestep without going to python? I have a field data step-by-step evolution loaded as enumerated file series. So in Paraview it appears as time 1,2,3,4,5… But I know the exac…

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## [hdf5 to xmdf or nrrd - invalid texture dimensions error](https://discourse.paraview.org/t/hdf5-to-xmdf-or-nrrd-invalid-texture-dimensions-error/11404)

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**Author:** [@kmilo9999](https://discourse.paraview.org/u/kmilo9999)\
**Replies:** 0\
**Last updated:** [February 14, 2023, 3:23pm UTC](https://discourse.paraview.org/t/hdf5-to-xmdf-or-nrrd-invalid-texture-dimensions-error/11404 "2023-02-14T15:23:59Z")

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Hello, I have some data contained in a hdf5 file and I want to visualize it in Paraview. It’s a 1.4 GB dataset so I am using remote rendering. First I tried it using xmdf but I got the error: ERROR: In vtkXdmfHeavyDa…

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## [Creating an array from scalars](https://discourse.paraview.org/t/creating-an-array-from-scalars/11403)

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**Author:** [@Fred\_Silva](https://discourse.paraview.org/u/Fred_Silva)\
**Replies:** 0\
**Last updated:** [February 14, 2023, 2:08pm UTC](https://discourse.paraview.org/t/creating-an-array-from-scalars/11403 "2023-02-14T14:08:23Z")

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Hello, I am working with a cfd vtk dataset which has a number of scalars (chemical species concentrations for instance). I need to be able to arrange them into an array, like a python list for example, and compute the …

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

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

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

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## [AngularPeriodicFilter order of application](https://discourse.paraview.org/t/angularperiodicfilter-order-of-application/11399)

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**Author:** [@Rigel](https://discourse.paraview.org/u/Rigel)\
**Replies:** 1\
**Last updated:** [February 14, 2023, 9:27am UTC](https://discourse.paraview.org/t/angularperiodicfilter-order-of-application/11399 "2023-02-14T09:27:58Z")

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Hi, I have a question about the performance of applying filters in ParaView. Suppose I have a set of 3D CFD data with periodic boundary conditions and I want to apply a contour or streamlines filter to it, showing the w…

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## [How to fit a curve in Paraview](https://discourse.paraview.org/t/how-to-fit-a-curve-in-paraview/11387)

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**Author:** [@potato](https://discourse.paraview.org/u/potato)\
**Replies:** 2\
**Last updated:** [February 13, 2023, 11:57pm UTC](https://discourse.paraview.org/t/how-to-fit-a-curve-in-paraview/11387 "2023-02-13T23:57:00Z")

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Hello everyone! I use Paraview to visualize my compution result. And I make a contour in my Paraview.This is my result.However, I want to fit curve which is above the green line as a quartic polynomial. I am confused abo…

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## [Paraview on Fedora 36 does not start.](https://discourse.paraview.org/t/paraview-on-fedora-36-does-not-start/10112)

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**Author:** [@jdelia](https://discourse.paraview.org/u/jdelia)\
**Replies:** 7\
**Last updated:** [February 13, 2023, 11:26pm UTC](https://discourse.paraview.org/t/paraview-on-fedora-36-does-not-start/10112 "2023-02-13T23:26:54Z")

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Apologies if this is not the right place for the following query (I’m a novice user of ParaView). I did a fresh install of Fedora 36 (from scratch) and then I installed ParaView in two ways: a) Via dnf --best install, …

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## [macro for "Snap View" (like in Siemens NX)](https://discourse.paraview.org/t/macro-for-snap-view-like-in-siemens-nx/11394)

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**Author:** [@unmixedravioli](https://discourse.paraview.org/u/unmixedravioli)\
**Replies:** 0\
**Last updated:** [February 13, 2023, 6:23pm UTC](https://discourse.paraview.org/t/macro-for-snap-view-like-in-siemens-nx/11394 "2023-02-13T18:23:49Z")

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Hello all, we use Siemens NX as CAD software. In NX there is this function called “Snap View” (with keyboard shortcut F8). I would love to recreate this function in ParaView with a Python macro. Basically “Snap View” w…

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## [Issues with multiple orbit "laps" in single animation](https://discourse.paraview.org/t/issues-with-multiple-orbit-laps-in-single-animation/11371)

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**Author:** [@Devin\_Richard\_Bayly](https://discourse.paraview.org/u/Devin_Richard_Bayly)\
**Replies:** 3\
**Last updated:** [February 13, 2023, 5:32pm UTC](https://discourse.paraview.org/t/issues-with-multiple-orbit-laps-in-single-animation/11371 "2023-02-13T17:32:32Z")

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Hi there, I’m showing growth of a plant as a point cloud and I’d like to provide a full circular camera orbit pass for each recording of the plant. This is different than what I’ve created already which is a single orbi…

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## [3D Array of Doubles imported from HDF5](https://discourse.paraview.org/t/3d-array-of-doubles-imported-from-hdf5/11391)

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**Author:** [@MITgnome](https://discourse.paraview.org/u/MITgnome)\
**Replies:** 0\
**Last updated:** [February 13, 2023, 3:57pm UTC](https://discourse.paraview.org/t/3d-array-of-doubles-imported-from-hdf5/11391 "2023-02-13T15:57:44Z")

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I am able to read 321x321x641 array of doubles stored in an HDF5 file using a programmable source. h5py.File(‘/Users/…/pixel\_0\_phi.hdf5’, ‘r’) a\_group\_key = list(f.keys())\[0\] data = f\[a\_group\_key\]\[()\] Each element in…

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## [Calculate local strain tensor in a deforming 3D mesh](https://discourse.paraview.org/t/calculate-local-strain-tensor-in-a-deforming-3d-mesh/11372)

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**Author:** [@Gening\_Dong](https://discourse.paraview.org/u/Gening_Dong)\
**Replies:** 2\
**Last updated:** [February 13, 2023, 1:50pm UTC](https://discourse.paraview.org/t/calculate-local-strain-tensor-in-a-deforming-3d-mesh/11372 "2023-02-13T13:50:27Z")

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Hi, I’m trying to display local strain field in a deforming 3D mesh. My steps were as follows: Open .vtk files - Apply WrapByVector - Vectors: MeshDisplacement - Apply ComputeDerivatives - Settings as follows And the…

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## [Paraview build: xmlpatterns could not find a Qt](https://discourse.paraview.org/t/paraview-build-xmlpatterns-could-not-find-a-qt/11389)

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**Author:** [@kskollepara](https://discourse.paraview.org/u/kskollepara)\
**Replies:** 12\
**Last updated:** [February 13, 2023, 12:35pm UTC](https://discourse.paraview.org/t/paraview-build-xmlpatterns-could-not-find-a-qt/11389 "2023-02-13T12:35:47Z")

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I am trying to build para view from sources on Ubuntu 22.04. cmake -GNinja -DPARAVIEW\_USE\_PYTHON=ON -DPARAVIEW\_USE\_MPI=ON -DVTK\_SMP\_IMPLEMENTATION\_TYPE=TBB -DCMAKE\_BUILD\_TYPE=Release ../paraview However, I receive the …

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

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

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

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## [How to Animate Multiple VTK files ParaView 5.11](https://discourse.paraview.org/t/how-to-animate-multiple-vtk-files-paraview-5-11/11385)

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**Author:** [@KaiMJ](https://discourse.paraview.org/u/KaiMJ)\
**Replies:** 1\
**Last updated:** [February 13, 2023, 10:16am UTC](https://discourse.paraview.org/t/how-to-animate-multiple-vtk-files-paraview-5-11/11385 "2023-02-13T10:16:37Z")

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I have at least 1000 files of 3D numpy array (96 X 144 X 32) of climate variables that I want to visualize through time. I have converted the numpy files to VTK files. My question is, how can I animate the 3D map acros…

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