# ParaView Support

**URL:** https://discourse.paraview.org/c/paraview-support/7.md?page=227

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**Page:** 228

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## [XDMF - Extract component from vector field using Hyperslab](https://discourse.paraview.org/t/xdmf-extract-component-from-vector-field-using-hyperslab/394)

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**Author:** [@bastian](https://discourse.paraview.org/u/bastian)\
**Replies:** 1\
**Last updated:** [August 7, 2018, 9:02am UTC](https://discourse.paraview.org/t/xdmf-extract-component-from-vector-field-using-hyperslab/394 "2018-08-07T09:02:01Z")

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Dear all, I am trying to load a single component of a vector field stored in the file uvw\_000001.bin. I am using the XDMF file below which loads the field values into the variable q just fine, i.e. I can view its compo…

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## [Possible bug with the Slice filter: duplicating node points](https://discourse.paraview.org/t/possible-bug-with-the-slice-filter-duplicating-node-points/366)

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**Author:** [@shuhao](https://discourse.paraview.org/u/shuhao)\
**Replies:** 5\
**Last updated:** [August 7, 2018, 1:41am UTC](https://discourse.paraview.org/t/possible-bug-with-the-slice-filter-duplicating-node-points/366 "2018-08-07T01:41:39Z")

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I have an issue with the slice filter in my specific mesh. The mesh in question is 2D and I want to take a slice of it, effectively getting an 1D line back. I’m setting the origin of the slice to snap to a mesh node poin…

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## [Go to specific time step in python script](https://discourse.paraview.org/t/go-to-specific-time-step-in-python-script/376)

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**Author:** [@Louis\_Steytler](https://discourse.paraview.org/u/Louis_Steytler)\
**Replies:** 5\
**Last updated:** [August 2, 2018, 3:07pm UTC](https://discourse.paraview.org/t/go-to-specific-time-step-in-python-script/376 "2018-08-02T15:07:41Z")

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Hi All, Is there a way to “jump” to a specific time step when creating an animation with a python script? I am only aware of: GoToFirst, GoToLast, GoToNext, GoToPrevious Any advice would be much appreciated. Thanks v…

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## [paraview OpenGL2 build + stereo tipe Crystal Eyes](https://discourse.paraview.org/t/paraview-opengl2-build-stereo-tipe-crystal-eyes/378)

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**Author:** [@kmilo9999](https://discourse.paraview.org/u/kmilo9999)\
**Replies:** 7\
**Last updated:** [August 1, 2018, 3:08pm UTC](https://discourse.paraview.org/t/paraview-opengl2-build-stereo-tipe-crystal-eyes/378 "2018-08-01T15:08:14Z")

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Hi, I built paraview using OpenGL2 and ran it with the options --stereo --stereo-type=‘Crystal Eyes’. However, I am getting this error: ERROR: In /home/kdash/opt/paraview/5.1.0/src/ParaView/VTK/Rendering/OpenGL2/vtkOp…

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## [Accessing Exodus Sideset nodes](https://discourse.paraview.org/t/accessing-exodus-sideset-nodes/379)

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**Author:** [@DennisConklin](https://discourse.paraview.org/u/DennisConklin)\
**Replies:** 0\
**Last updated:** [July 31, 2018, 6:56pm UTC](https://discourse.paraview.org/t/accessing-exodus-sideset-nodes/379 "2018-07-31T18:56:31Z")

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All, I would like to access the nodes of a particular sideset in an Exodus multiblock dataset. If I load that sideset Paraview creates a set of quads that pave the sideset. How can I access this set and know that it…

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## [paraview build using opengl2](https://discourse.paraview.org/t/paraview-build-using-opengl2/363)

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**Author:** [@kmilo9999](https://discourse.paraview.org/u/kmilo9999)\
**Replies:** 2\
**Last updated:** [July 27, 2018, 3:24pm UTC](https://discourse.paraview.org/t/paraview-build-using-opengl2/363 "2018-07-27T15:24:32Z")

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Hi. I built paraview 5.1.0 in linux swtiching the variable VTK\_RENDERING\_BACKEND to OpenGL2. When I started paraview an error message pop up : “VTK is designed to work with OpenGL version 3.2 but appears it has been g…

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## [print fps on screen](https://discourse.paraview.org/t/print-fps-on-screen/364)

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**Author:** [@kmilo9999](https://discourse.paraview.org/u/kmilo9999)\
**Replies:** 3\
**Last updated:** [July 27, 2018, 12:21pm UTC](https://discourse.paraview.org/t/print-fps-on-screen/364 "2018-07-27T12:21:24Z")

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Hi, Is there a functionality to print the fps on screen? I found this vtk plugin: https://www.vtk.org/Wiki/VTK/Examples/Cxx/Utilities/FrameRate I just want to be sure that this idea will work, or if maybe the ui appi…

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## [Dealing with mesh with multiple kind of elements](https://discourse.paraview.org/t/dealing-with-mesh-with-multiple-kind-of-elements/305)

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**Author:** [@AntoineMazuyer](https://discourse.paraview.org/u/AntoineMazuyer)\
**Replies:** 4\
**Last updated:** [July 27, 2018, 7:28am UTC](https://discourse.paraview.org/t/dealing-with-mesh-with-multiple-kind-of-elements/305 "2018-07-27T07:28:06Z")

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Hello, I have to deal with meshes using multiple elements Segments ( 2 nodes elements) Triangles ( 3 nodes) Quad ( 4 nodes ) Tetra (4 nodes) Pyramid (5 nodes) Prism (6 nodes) Hex …

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## [\[Paraview-SuperBuild\] Ubuntu 18.04 failed when using Qt5 as backend](https://discourse.paraview.org/t/paraview-superbuild-ubuntu-18-04-failed-when-using-qt5-as-backend/359)

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**Author:** [@quang-ha](https://discourse.paraview.org/u/quang-ha)\
**Replies:** 8\
**Last updated:** [July 26, 2018, 3:54pm UTC](https://discourse.paraview.org/t/paraview-superbuild-ubuntu-18-04-failed-when-using-qt5-as-backend/359 "2018-07-26T15:54:20Z")

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System: Ubuntu 18.04, gcc 7.3.0. Command: cmake -DCMAKE\_INSTALL\_PREFIX=/home/qth20/.local/paraview -DENABLE\_paraview=True -DENABLE\_qt5=True -DENABLE\_ffmpeg=True -DENABLE\_tbb=True -DENABLE\_ospray=True ../paraview-superb…

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## [Trouble importing Paraview 4.4.0 in my Python 2.7.6](https://discourse.paraview.org/t/trouble-importing-paraview-4-4-0-in-my-python-2-7-6/357)

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**Author:** [@HadiF](https://discourse.paraview.org/u/HadiF)\
**Replies:** 4\
**Last updated:** [July 26, 2018, 12:51pm UTC](https://discourse.paraview.org/t/trouble-importing-paraview-4-4-0-in-my-python-2-7-6/357 "2018-07-26T12:51:31Z")

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I have asked this question on stack overflow but then thought that people here might be a bit more experienced and someone may have had a similar issue: Question on Stack Overflow It is well detailed there, I only need…

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## [abs() returns negative value? why?](https://discourse.paraview.org/t/abs-returns-negative-value-why/355)

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**Author:** [@Someone\_fromjapan](https://discourse.paraview.org/u/Someone_fromjapan)\
**Replies:** 3\
**Last updated:** [July 25, 2018, 12:04pm UTC](https://discourse.paraview.org/t/abs-returns-negative-value-why/355 "2018-07-25T12:04:47Z")

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Can you please tell me what is wrong in the image below? I just don’t see how abs() from a scalar can return a negative value?

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## [Error "cannot read points array from Points in piece 0. The data array in the element may be too short"](https://discourse.paraview.org/t/error-cannot-read-points-array-from-points-in-piece-0-the-data-array-in-the-element-may-be-too-short/354)

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**Author:** [@Francois](https://discourse.paraview.org/u/Francois)\
**Replies:** 0\
**Last updated:** [July 24, 2018, 5:39pm UTC](https://discourse.paraview.org/t/error-cannot-read-points-array-from-points-in-piece-0-the-data-array-in-the-element-may-be-too-short/354 "2018-07-24T17:39:42Z")

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Hello everyone, I face an error (cf. joined image) with the joined pvd files when i try to open them (when i click on “apply”): “cannot read points array from Points in piece 0. The data array in the element may be too …

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## [Is there a better way to view Exodus nodesets and sidesets in paraview?](https://discourse.paraview.org/t/is-there-a-better-way-to-view-exodus-nodesets-and-sidesets-in-paraview/347)

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**Author:** [@wortiz](https://discourse.paraview.org/u/wortiz)\
**Replies:** 4\
**Last updated:** [July 24, 2018, 3:57pm UTC](https://discourse.paraview.org/t/is-there-a-better-way-to-view-exodus-nodesets-and-sidesets-in-paraview/347 "2018-07-24T15:57:40Z")

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If I select the advanced options and individually click on side sets and nodesets in paraview they show up but they are barely visible most of the time, is there a better way to view these boundaries in paraview? Or a w…

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## [No binary found after 100% of SuperBuild...](https://discourse.paraview.org/t/no-binary-found-after-100-of-superbuild/351)

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**Author:** [@quang-ha](https://discourse.paraview.org/u/quang-ha)\
**Replies:** 1\
**Last updated:** [July 24, 2018, 2:00pm UTC](https://discourse.paraview.org/t/no-binary-found-after-100-of-superbuild/351 "2018-07-24T14:00:40Z")

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So I finished my superbuild with the following command: ➜ build-paraview cmake -DCMAKE\_INSTALL\_PREFIX=/home/qth20/.local/paraview -DENABLE\_mesa=True -DENABLE\_paraview:BOOL=ON -DENABLE\_ffmpeg:BOOL=ON -DENABLE\_tbb:BOOL=O…

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## [Disconnected elements with unique nodal numbers](https://discourse.paraview.org/t/disconnected-elements-with-unique-nodal-numbers/343)

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**Author:** [@sujith.gowda](https://discourse.paraview.org/u/sujith.gowda)\
**Replies:** 4\
**Last updated:** [July 24, 2018, 11:50am UTC](https://discourse.paraview.org/t/disconnected-elements-with-unique-nodal-numbers/343 "2018-07-24T11:50:41Z")

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Hallo, I am trying to obtain a mesh as shown in the picture below, where the quad elements are not connected to each other and possess unique nodes. Is it possible to generate these elements ? How to write it for VTK d…

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## [Gradient background "banding" in avi animation.](https://discourse.paraview.org/t/gradient-background-banding-in-avi-animation/273)

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**Author:** [@Someone\_fromjapan](https://discourse.paraview.org/u/Someone_fromjapan)\
**Replies:** 4\
**Last updated:** [July 24, 2018, 12:18am UTC](https://discourse.paraview.org/t/gradient-background-banding-in-avi-animation/273 "2018-07-24T00:18:19Z")

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Why is avi animation saved in that huge size with that bad quality? CRAM codec. A proprietary, half century old, and outdated crap: 8-bit palettized or 15-bit RGB color space for ISO-bus x286 MCGA machines… Vhy not F…

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## [Paraview 5.5 can't be run in Windows XP x64](https://discourse.paraview.org/t/paraview-5-5-cant-be-run-in-windows-xp-x64/244)

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**Author:** [@Someone\_fromjapan](https://discourse.paraview.org/u/Someone_fromjapan)\
**Replies:** 4\
**Last updated:** [July 23, 2018, 11:53pm UTC](https://discourse.paraview.org/t/paraview-5-5-cant-be-run-in-windows-xp-x64/244 "2018-07-23T23:53:09Z")

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I have a big problems using ParaView in Windows 7x64 (bug #18255) So I tried running it in Windows XP x64 SP1. And after installation it says, “paraview x64 is not a valid 32bit application”… while it is x64 build of c…

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## [building paraview 5.5.2 on opensuse leap 15.0](https://discourse.paraview.org/t/building-paraview-5-5-2-on-opensuse-leap-15-0/286)

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**Author:** [@olesenm](https://discourse.paraview.org/u/olesenm)\
**Replies:** 5\
**Last updated:** [July 22, 2018, 3:36pm UTC](https://discourse.paraview.org/t/building-paraview-5-5-2-on-opensuse-leap-15-0/286 "2018-07-22T15:36:48Z")

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After a fresh install of leap 15.0, I added all of the usual long list of Qt libraries and development headers, but was still unable to build at all. Blocking point 1: no qhelpgenerator found. It is actually there, but…

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## [Extracting data in terms of nodes not resolution](https://discourse.paraview.org/t/extracting-data-in-terms-of-nodes-not-resolution/346)

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**Author:** [@srptrsn2](https://discourse.paraview.org/u/srptrsn2)\
**Replies:** 5\
**Last updated:** [July 20, 2018, 3:58pm UTC](https://discourse.paraview.org/t/extracting-data-in-terms-of-nodes-not-resolution/346 "2018-07-20T15:58:54Z")

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Hi, I’m running some thermal simulations and the data that I put into ParaView is from a finite element solver. When I run ParaView with this data I need to set a resolution for the visual simulation, but when I save the…

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## [how to paint by file in parallel](https://discourse.paraview.org/t/how-to-paint-by-file-in-parallel/323)

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**Author:** [@wascott](https://discourse.paraview.org/u/wascott)\
**Replies:** 5\
**Last updated:** [July 18, 2018, 11:03pm UTC](https://discourse.paraview.org/t/how-to-paint-by-file-in-parallel/323 "2018-07-18T23:03:57Z")

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Using a multiple file dataset, in parallel, I need to create a variable that has the file number in it. Is this possible, and how do I do it? My use case is that I am trying to debug a filter, and am wondering if the i…

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## [Problem with “Integrate Variables” Filter](https://discourse.paraview.org/t/problem-with-integrate-variables-filter/312)

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**Author:** [@tererua](https://discourse.paraview.org/u/tererua)\
**Replies:** 7\
**Last updated:** [July 18, 2018, 10:36pm UTC](https://discourse.paraview.org/t/problem-with-integrate-variables-filter/312 "2018-07-18T22:36:01Z")

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Hello everybody! We have simulated a mechanical case in SalomeMeca 2017, and in order to post-process the results we have used the Paraview module included in that version. Unfortunately, we have found some strange resu…

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## [Volume rendering of Scalar Field with Selective Opacity](https://discourse.paraview.org/t/volume-rendering-of-scalar-field-with-selective-opacity/329)

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**Author:** [@aniruddha](https://discourse.paraview.org/u/aniruddha)\
**Replies:** 12\
**Last updated:** [July 18, 2018, 2:54pm UTC](https://discourse.paraview.org/t/volume-rendering-of-scalar-field-with-selective-opacity/329 "2018-07-18T14:54:35Z")

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Hi Folks, I have a 3D data of a scalar which is being advected & diffused. What I need is a volumetric representation/rendering of 3D data similar to the one attached(figure1 and figure2)\[1\] and \[2\]. My system’s 3D vol…

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## [octree mesh support](https://discourse.paraview.org/t/octree-mesh-support/337)

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**Author:** [@garcfd](https://discourse.paraview.org/u/garcfd)\
**Replies:** 0\
**Last updated:** [July 18, 2018, 1:51pm UTC](https://discourse.paraview.org/t/octree-mesh-support/337 "2018-07-18T13:51:26Z")

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Whats the best way to load an octree mesh into Paraview? Is there a specific VTK format which supports this mesh tye?

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## [Solid Color Option Not Recorded In Trace](https://discourse.paraview.org/t/solid-color-option-not-recorded-in-trace/325)

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**Author:** [@jgonzalez49](https://discourse.paraview.org/u/jgonzalez49)\
**Replies:** 3\
**Last updated:** [July 18, 2018, 9:53am UTC](https://discourse.paraview.org/t/solid-color-option-not-recorded-in-trace/325 "2018-07-18T09:53:54Z")

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Hi, I’ve noticed that selecting the Solid Color option is not recorded when tracing. Here are the steps I’m taking in Paraview 5.5.2: Start trace in Paraview, with full tracing and incremental display. Open VTK produce…

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## [Calculator issue with LAMMPS dump file.](https://discourse.paraview.org/t/calculator-issue-with-lammps-dump-file/303)

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**Author:** [@Shane\_Jackson](https://discourse.paraview.org/u/Shane_Jackson)\
**Replies:** 7\
**Last updated:** [July 17, 2018, 1:01pm UTC](https://discourse.paraview.org/t/calculator-issue-with-lammps-dump-file/303 "2018-07-17T13:01:45Z")

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Hello, I have a LAMMPS dumpfile of the form: Id Type x y z vx vy vz When I use the calculator filter I cannot use any of the imported variables. If I try to make a vector out of the velocity parameters I get the foll…

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## [Three Arrows with Glyph Plot](https://discourse.paraview.org/t/three-arrows-with-glyph-plot/322)

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**Author:** [@happys5](https://discourse.paraview.org/u/happys5)\
**Replies:** 1\
**Last updated:** [July 17, 2018, 4:56am UTC](https://discourse.paraview.org/t/three-arrows-with-glyph-plot/322 "2018-07-17T04:56:54Z")

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Hello, When I create a vector plot, the plot returns with three arrows representing each point instead of one arrow. How can I change from three arrows to one arrow?

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## [Crash reading series of multi-page Tiffs](https://discourse.paraview.org/t/crash-reading-series-of-multi-page-tiffs/257)

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**Author:** [@austinMLB](https://discourse.paraview.org/u/austinMLB)\
**Replies:** 2\
**Last updated:** [July 16, 2018, 6:43pm UTC](https://discourse.paraview.org/t/crash-reading-series-of-multi-page-tiffs/257 "2018-07-16T18:43:49Z")

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I have a series of multi-page tiffs. That is, I have several files of the form \<file\_name\>\_T.tif and each file contains multiple pages representing a stack. If I read this series in Paraview using the default properties…

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## [OpenVR - What are the controls ?](https://discourse.paraview.org/t/openvr-what-are-the-controls/292)

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**Author:** [@pcrepier](https://discourse.paraview.org/u/pcrepier)\
**Replies:** 0\
**Last updated:** [July 9, 2018, 2:55pm UTC](https://discourse.paraview.org/t/openvr-what-are-the-controls/292 "2018-07-09T14:55:04Z")

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Hi Everyone, Today, a colleague of mine and I plugged a Vive helmet to a workstation and got the OpenVR environment to run. Getting it to work seemed easy, but controlling the render view was not intuitive to me. I loo…

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## [Offscreen Rendering in cluster GL\_EXT\_gpu\_shader4 unsupportrted in fragment shader](https://discourse.paraview.org/t/offscreen-rendering-in-cluster-gl-ext-gpu-shader4-unsupportrted-in-fragment-shader/314)

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**Author:** [@henkela](https://discourse.paraview.org/u/henkela)\
**Replies:** 3\
**Last updated:** [July 16, 2018, 2:27pm UTC](https://discourse.paraview.org/t/offscreen-rendering-in-cluster-gl-ext-gpu-shader4-unsupportrted-in-fragment-shader/314 "2018-07-16T14:27:40Z")

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Hi, I’d like to re-establish our offscreen render capabilities in our cluster. Therefore, I’ve installed paraview 5.5.2 using the following options configopts = '-DPARAVIEW\_INSTALL\_DEVELOPMENT\_FILES=ON -DVTK\_OPENGL\_HAS…

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## [How to get ParaView to properly cache geometries?](https://discourse.paraview.org/t/how-to-get-paraview-to-properly-cache-geometries/190)

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**Author:** [@pvuser](https://discourse.paraview.org/u/pvuser)\
**Replies:** 6\
**Last updated:** [July 16, 2018, 2:21pm UTC](https://discourse.paraview.org/t/how-to-get-paraview-to-properly-cache-geometries/190 "2018-07-16T14:21:28Z")

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Hello ParaView Users, I am visualizing a particle based simulation (700000 particles, about 8GB for 120 timesteps, each step around 70MB) on a single machine (i5 CPU, 2,60 GHz, Intel Graphics Chip HD 530, 16GB of RAM) a…

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