# ParaView Support

**URL:** https://discourse.paraview.org/c/paraview-support/7.md?page=65

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**Page:** 66

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## [Crashes always occurring while performing simple operations on high-order VTU files](https://discourse.paraview.org/t/crashes-always-occurring-while-performing-simple-operations-on-high-order-vtu-files/12965)

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**Author:** [@studyhardhardhard](https://discourse.paraview.org/u/studyhardhardhard)\
**Replies:** 4\
**Last updated:** [October 1, 2023, 2:31pm UTC](https://discourse.paraview.org/t/crashes-always-occurring-while-performing-simple-operations-on-high-order-vtu-files/12965 "2023-10-01T14:31:46Z")

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Hello everyone, I’m new to ParaView. I frequently encounter crashes while using ParaView, which is frustrating because I haven’t saved my previous operations. When I reopen my VTU file and try to post-process it, I ofte…

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## [span average problom](https://discourse.paraview.org/t/span-average-problom/12966)

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**Author:** [@studyhardhardhard](https://discourse.paraview.org/u/studyhardhardhard)\
**Replies:** 0\
**Last updated:** [September 30, 2023, 6:53am UTC](https://discourse.paraview.org/t/span-average-problom/12966 "2023-09-30T06:53:44Z")

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Hello everyone, I’m facing a span average problem. Specifically, I have a 3D airfoil case, and I want to calculate the average of the fields in the spanwise (z) direction, resulting in a 2D plane (xy) where the averaged …

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## [Paraview EGL does not work with pvpython script](https://discourse.paraview.org/t/paraview-egl-does-not-work-with-pvpython-script/12959)

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**Author:** [@sebasgut1](https://discourse.paraview.org/u/sebasgut1)\
**Replies:** 3\
**Last updated:** [September 29, 2023, 4:24pm UTC](https://discourse.paraview.org/t/paraview-egl-does-not-work-with-pvpython-script/12959 "2023-09-29T16:24:49Z")

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Hi, I made a pvpython script that works perfectly with Paraview OSMesa, but I want it to run with EGL to use GPU resources in a headless environment. I am running the script in an Amazon EC2 instance with NVIDIA. When I…

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## [Errase Points of a VTU. Get coordinates/scalar field values of CP](https://discourse.paraview.org/t/errase-points-of-a-vtu-get-coordinates-scalar-field-values-of-cp/12962)

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**Author:** [@Andy\_Danian\_Zapata\_E](https://discourse.paraview.org/u/Andy_Danian_Zapata_E)\
**Replies:** 0\
**Last updated:** [September 29, 2023, 2:02pm UTC](https://discourse.paraview.org/t/errase-points-of-a-vtu-get-coordinates-scalar-field-values-of-cp/12962 "2023-09-29T14:02:38Z")

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Hi Paraview Experts I am working to get the critical points of a scalar field. I want to erase/filter unnecessary critical points, How can it do? another question how get the coordinates and value of the scalar field …

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## [error loading curvilinear data in hdf5 format in paraview](https://discourse.paraview.org/t/error-loading-curvilinear-data-in-hdf5-format-in-paraview/12947)

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**Author:** [@paraHuman](https://discourse.paraview.org/u/paraHuman)\
**Replies:** 3\
**Last updated:** [September 28, 2023, 11:54pm UTC](https://discourse.paraview.org/t/error-loading-curvilinear-data-in-hdf5-format-in-paraview/12947 "2023-09-28T23:54:38Z")

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Hello, I have h5 format data in curvilinear coordinates (r, \\theta, z) that I am trying to visualize in paraview. I am using the xdmf script available on this site for curvilinear coordinates: https://github.com/mvanmoe…

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## [Paraview crashing in Mac for simple mesh.](https://discourse.paraview.org/t/paraview-crashing-in-mac-for-simple-mesh/12949)

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**Author:** [@SubhenduC](https://discourse.paraview.org/u/SubhenduC)\
**Replies:** 4\
**Last updated:** [September 28, 2023, 4:45pm UTC](https://discourse.paraview.org/t/paraview-crashing-in-mac-for-simple-mesh/12949 "2023-09-28T16:45:42Z")

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Hi, I was trying to use Paraview for visualization of a simple mesh data with 16 HEX8 elements and has 50 data set with nodal values and 5 set with cell values. It loads perfectly and also I can visualize the data set w…

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## [How to use integrate variables filter on slice with multiple offsets](https://discourse.paraview.org/t/how-to-use-integrate-variables-filter-on-slice-with-multiple-offsets/12950)

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**Author:** [@otaolafr](https://discourse.paraview.org/u/otaolafr)\
**Replies:** 0\
**Last updated:** [September 27, 2023, 9:41pm UTC](https://discourse.paraview.org/t/how-to-use-integrate-variables-filter-on-slice-with-multiple-offsets/12950 "2023-09-27T21:41:37Z")

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is it possible to get the integrate variables result separated by each surface of an slice filter with several offsets? right now I am doing one slice (without offset) one integrate variables, another slice another integ…

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## [How to Open and Visualize file.xyz (Plot3D Format)](https://discourse.paraview.org/t/how-to-open-and-visualize-file-xyz-plot3d-format/12944)

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**Author:** [@mardar](https://discourse.paraview.org/u/mardar)\
**Replies:** 1\
**Last updated:** [September 27, 2023, 12:50pm UTC](https://discourse.paraview.org/t/how-to-open-and-visualize-file-xyz-plot3d-format/12944 "2023-09-27T12:50:41Z")

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Hey ParaView community, I’m trying to open file.xyz format, which I believe is in the Plot3D format. Could someone please guide me how to visualize file.xyz data in ParaView? file.xyz (2.2 KB) The geometry can be se…

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## [Extract Block python code](https://discourse.paraview.org/t/extract-block-python-code/12808)

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**Author:** [@RafaMADFT](https://discourse.paraview.org/u/RafaMADFT)\
**Replies:** 4\
**Last updated:** [September 27, 2023, 10:44am UTC](https://discourse.paraview.org/t/extract-block-python-code/12808 "2023-09-27T10:44:54Z")

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I have a problem trying to write the python code for the extract block selector part. In my company we simulate with a CFD that give us a case.foam nomenclature that we can not predict. We know the baseline of B…\_TES…\_B…

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## [Optimization of the display function](https://discourse.paraview.org/t/optimization-of-the-display-function/12934)

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**Author:** [@RafaMADFT](https://discourse.paraview.org/u/RafaMADFT)\
**Replies:** 1\
**Last updated:** [September 27, 2023, 8:42am UTC](https://discourse.paraview.org/t/optimization-of-the-display-function/12934 "2023-09-27T08:42:04Z")

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Good morning, i have a question regarding a coomand used in python to show data in view: show data in view casefoamDisplay = Show(casefoam, renderView1, 'GeometryRepresentation') This command is taking around 10 minute…

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## [How can I open various 2D .vtu plots and make a animation?](https://discourse.paraview.org/t/how-can-i-open-various-2d-vtu-plots-and-make-a-animation/12927)

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**Author:** [@mraianeto](https://discourse.paraview.org/u/mraianeto)\
**Replies:** 5\
**Last updated:** [September 27, 2023, 7:45am UTC](https://discourse.paraview.org/t/how-can-i-open-various-2d-vtu-plots-and-make-a-animation/12927 "2023-09-27T07:45:14Z")

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So, I have almost 500 .vtu files and .dat files from a computer simulation. It is a fluid simulation and I have a routine using ipython to plot each time stamp of the evolution of the fluid dynamics. The output, as I sai…

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## [Suggestion for Python SaveData() method](https://discourse.paraview.org/t/suggestion-for-python-savedata-method/9500)

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**Author:** [@Andy\_Bauer](https://discourse.paraview.org/u/Andy_Bauer)\
**Replies:** 5\
**Last updated:** [September 26, 2023, 7:13pm UTC](https://discourse.paraview.org/t/suggestion-for-python-savedata-method/9500 "2023-09-26T19:13:15Z")

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I was thinking of how often I’m generating Python scripts through the Trace capability and something that often comes up is that the serial VTK XML writers are used in the GUI when generating the trace but when I’m runni…

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## [Is there a way to create a multiblock](https://discourse.paraview.org/t/is-there-a-way-to-create-a-multiblock/12938)

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**Author:** [@ravi](https://discourse.paraview.org/u/ravi)\
**Replies:** 1\
**Last updated:** [September 26, 2023, 3:46pm UTC](https://discourse.paraview.org/t/is-there-a-way-to-create-a-multiblock/12938 "2023-09-26T15:46:01Z")

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GM All, I am trying to have two blocks of data (mesh and solution) in a XML .vtu format as provided below. The Paraview executable says that a reader for this program cannot be founds and gives a list of readers. Howev…

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## [Block indices in different versions](https://discourse.paraview.org/t/block-indices-in-different-versions/12935)

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**Author:** [@RafaMADFT](https://discourse.paraview.org/u/RafaMADFT)\
**Replies:** 0\
**Last updated:** [September 26, 2023, 1:51pm UTC](https://discourse.paraview.org/t/block-indices-in-different-versions/12935 "2023-09-26T13:51:54Z")

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Good morning. I found a function to get the block indices of case.foam, the problem is that this function was created for paraview-5.8.0. When i run it with that version, it works propertly, but with the latest version …

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## [print in terminal when using pvbatch](https://discourse.paraview.org/t/print-in-terminal-when-using-pvbatch/12933)

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**Author:** [@otaolafr](https://discourse.paraview.org/u/otaolafr)\
**Replies:** 0\
**Last updated:** [September 26, 2023, 10:41am UTC](https://discourse.paraview.org/t/print-in-terminal-when-using-pvbatch/12933 "2023-09-26T10:41:12Z")

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Hello, I am looking to print some info when I run the paraview script in pvbatch from the terminal (WSL in windows if it matters using paraview windows). eventhought I have print statements in the script I failed to ma…

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## [ParaView Quest2 Locomotion](https://discourse.paraview.org/t/paraview-quest2-locomotion/12929)

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**Author:** [@hasraz](https://discourse.paraview.org/u/hasraz)\
**Replies:** 2\
**Last updated:** [September 26, 2023, 9:18am UTC](https://discourse.paraview.org/t/paraview-quest2-locomotion/12929 "2023-09-26T09:18:45Z")

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Hello, I am trying to use the Quest2 with the XRInterface plugin. I’m able to view and interact with the data in Quest2 successfully. However, I can’t find anywhere to understand how to use the Quest2 controller. So fa…

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## [Avoid merging duplicated points](https://discourse.paraview.org/t/avoid-merging-duplicated-points/12905)

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**Author:** [@sebasgut1](https://discourse.paraview.org/u/sebasgut1)\
**Replies:** 11\
**Last updated:** [September 26, 2023, 8:13am UTC](https://discourse.paraview.org/t/avoid-merging-duplicated-points/12905 "2023-09-26T08:13:41Z")

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Hello, I am trying to upload a STL file that has plenty of points and most of them are duplicated. I noticed that it takes too long to upload it, but if I try to visualize it in Microsoft 3D Viewer, it takes only a few …

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## [Replace a variable when LoadState()](https://discourse.paraview.org/t/replace-a-variable-when-loadstate/12921)

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**Author:** [@madmoonman](https://discourse.paraview.org/u/madmoonman)\
**Replies:** 2\
**Last updated:** [September 26, 2023, 6:18am UTC](https://discourse.paraview.org/t/replace-a-variable-when-loadstate/12921 "2023-09-26T06:18:51Z")

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Hello experts! I am using LoadState from paraview.simple to load a state file. We can readily provide a data directory there to replace the data in the file with a new one. Now I am also looking for a way to replace a s…

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## [Nightly ParaView client freezes when connecting to remote server](https://discourse.paraview.org/t/nightly-paraview-client-freezes-when-connecting-to-remote-server/12913)

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**Author:** [@GregVernon](https://discourse.paraview.org/u/GregVernon)\
**Replies:** 5\
**Last updated:** [September 25, 2023, 4:48pm UTC](https://discourse.paraview.org/t/nightly-paraview-client-freezes-when-connecting-to-remote-server/12913 "2023-09-25T16:48:05Z")

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As recently as two days ago, I’ve successfully been able to connect a client of the released version of ParaView 5.11.1 to a remote pvserver of the same version, however, I wanted to test out some new features in the nig…

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## [How could i plot a history data of an element over time, such as stress/pressure](https://discourse.paraview.org/t/how-could-i-plot-a-history-data-of-an-element-over-time-such-as-stress-pressure/12914)

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**Author:** [@ntian](https://discourse.paraview.org/u/ntian)\
**Replies:** 2\
**Last updated:** [September 25, 2023, 3:15pm UTC](https://discourse.paraview.org/t/how-could-i-plot-a-history-data-of-an-element-over-time-such-as-stress-pressure/12914 "2023-09-25T15:15:20Z")

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Could i select an element in gui, and then plot its vm stress over time?

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## [Programmable filter - result not shown after reloading pvsm](https://discourse.paraview.org/t/programmable-filter-result-not-shown-after-reloading-pvsm/12726)

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**Author:** [@madmoonman](https://discourse.paraview.org/u/madmoonman)\
**Replies:** 10\
**Last updated:** [September 25, 2023, 1:53pm UTC](https://discourse.paraview.org/t/programmable-filter-result-not-shown-after-reloading-pvsm/12726 "2023-09-25T13:53:36Z")

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Hello, I successfully implemented a programmable filter in PV 5.10.1 that copies a variable value from a certain region to each cell of other regions, which allows me to use it to normalize other scalars with it. It wor…

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## [Filter to automatically transform / rotate dataset around arbitrary axis and point](https://discourse.paraview.org/t/filter-to-automatically-transform-rotate-dataset-around-arbitrary-axis-and-point/12915)

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**Author:** [@Raphael\_Bevand](https://discourse.paraview.org/u/Raphael_Bevand)\
**Replies:** 2\
**Last updated:** [September 25, 2023, 1:46pm UTC](https://discourse.paraview.org/t/filter-to-automatically-transform-rotate-dataset-around-arbitrary-axis-and-point/12915 "2023-09-25T13:46:26Z")

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Dear all, I have the following situation: I am running simulations of a propeller with an arbitrary rotation center and axis, I can read the current simulation time as field data from my vtk dataset, with given rotati…

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## [Taking Data Using X Y Z Coordinates in Paraview](https://discourse.paraview.org/t/taking-data-using-x-y-z-coordinates-in-paraview/12920)

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**Author:** [@semihcanakca](https://discourse.paraview.org/u/semihcanakca)\
**Replies:** 2\
**Last updated:** [September 25, 2023, 1:22pm UTC](https://discourse.paraview.org/t/taking-data-using-x-y-z-coordinates-in-paraview/12920 "2023-09-25T13:22:37Z")

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Hi, I have a coordinate list consisting of many point locations. I want to take data from a cfd output using these coordinates in Paraview. So, what is the best way of taking data using X Y Z coordinates in Paraview?

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## [Reader Inquiry](https://discourse.paraview.org/t/reader-inquiry/12916)

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**Author:** [@cooldogs818](https://discourse.paraview.org/u/cooldogs818)\
**Replies:** 1\
**Last updated:** [September 24, 2023, 6:46pm UTC](https://discourse.paraview.org/t/reader-inquiry/12916 "2023-09-24T18:46:53Z")

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I am relatively new to Paraview and am looking to make a custom HDF5 reader plugin for data that I am working with through Python. Any help on this would be appreciated.

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## [paraview ensight reader takes too long to read polyhedra mesh](https://discourse.paraview.org/t/paraview-ensight-reader-takes-too-long-to-read-polyhedra-mesh/12906)

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**Author:** [@austinbenny](https://discourse.paraview.org/u/austinbenny)\
**Replies:** 4\
**Last updated:** [September 23, 2023, 2:09pm UTC](https://discourse.paraview.org/t/paraview-ensight-reader-takes-too-long-to-read-polyhedra-mesh/12906 "2023-09-23T14:09:48Z")

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I noticed that the ensight reader has trouble (slower and “non-manifold triangulation” error) reading ANSYS Fluent polyhedral meshes. I use ANSYS Fluent to run my CFD cases, and the mesh in these cases are created with …

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## [Remove one-fourth of a cube](https://discourse.paraview.org/t/remove-one-fourth-of-a-cube/12910)

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**Author:** [@sabyasachi\_chatterje](https://discourse.paraview.org/u/sabyasachi_chatterje)\
**Replies:** 1\
**Last updated:** [September 22, 2023, 6:55pm UTC](https://discourse.paraview.org/t/remove-one-fourth-of-a-cube/12910 "2023-09-22T18:55:03Z")

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Dear All, I want to remove 1/4th of a cube. For example, if my cube is of dimension \[s,s,s\], I want to remove the cuboid of dimension- \[s/2, s, s/2\]. What is the way to do this? I am able to use the clip function to get…

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## [Regain volumetric meshes after surface extraction](https://discourse.paraview.org/t/regain-volumetric-meshes-after-surface-extraction/12912)

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**Author:** [@orejournal](https://discourse.paraview.org/u/orejournal)\
**Replies:** 0\
**Last updated:** [September 22, 2023, 4:34pm UTC](https://discourse.paraview.org/t/regain-volumetric-meshes-after-surface-extraction/12912 "2023-09-22T16:34:19Z")

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Hi all, To meet the import requirement of an external algorithm, I need to prepare a volumetric mesh in vtk format with different labelled parts of the model surface. By far, my workflow in Paraview V5.11.0 is: Extrac…

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## [Using Slice View and or Orthographic Slice View layouts with tiff files](https://discourse.paraview.org/t/using-slice-view-and-or-orthographic-slice-view-layouts-with-tiff-files/12762)

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**Author:** [@DVangelis](https://discourse.paraview.org/u/DVangelis)\
**Replies:** 6\
**Last updated:** [September 22, 2023, 9:56am UTC](https://discourse.paraview.org/t/using-slice-view-and-or-orthographic-slice-view-layouts-with-tiff-files/12762 "2023-09-22T09:56:17Z")

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Dear all, I have a 3D CT dataset in tiff format and I want to visualize in Paraview with Slice view or with orthographic Slice view. The size of the file that I want to visualize is 5 GB, The problem is that whenever I…

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## [SSH authentication on Windows](https://discourse.paraview.org/t/ssh-authentication-on-windows/12896)

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**Author:** [@woodscn](https://discourse.paraview.org/u/woodscn)\
**Replies:** 4\
**Last updated:** [September 22, 2023, 4:16am UTC](https://discourse.paraview.org/t/ssh-authentication-on-windows/12896 "2023-09-22T04:16:07Z")

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I am trying to set up client-server connections from Windows to an HPC system. The hpc uses an interactive prompt for authentication. According to the docs ( 7. Remote and parallel visualization — ParaView Documentation …

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## [Clip closed surface filter over contour filter](https://discourse.paraview.org/t/clip-closed-surface-filter-over-contour-filter/12901)

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**Author:** [@fashing](https://discourse.paraview.org/u/fashing)\
**Replies:** 2\
**Last updated:** [September 22, 2023, 2:20am UTC](https://discourse.paraview.org/t/clip-closed-surface-filter-over-contour-filter/12901 "2023-09-22T02:20:11Z")

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Hi Paraview, I found this clip closed surface filter is not working on contour filter. → Here’s the information of the pipeline. Is it normal or do I miss something? Thank you!

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