# ParaView Support

**URL:** https://discourse.paraview.org/c/paraview-support/7.md?page=168

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

**Page:** 169

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## [How to compute flow rate?](https://discourse.paraview.org/t/how-to-compute-flow-rate/5300)

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**Author:** [@frodooon](https://discourse.paraview.org/u/frodooon)\
**Replies:** 0\
**Last updated:** [September 9, 2020, 9:41am UTC](https://discourse.paraview.org/t/how-to-compute-flow-rate/5300 "2020-09-09T09:41:07Z")

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Hello, I noticed that this question has been asked several times, but I still haven’t seen an answer that would help me really understand what is going on, and if I am doing something wrong. I would like to compute the…

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## [SurfaceLic crash on 2D .vtu in ParaView 5.8.0 and 5.8.1](https://discourse.paraview.org/t/surfacelic-crash-on-2d-vtu-in-paraview-5-8-0-and-5-8-1/5275)

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**Author:** [@bujack](https://discourse.paraview.org/u/bujack)\
**Replies:** 7\
**Last updated:** [September 8, 2020, 10:31pm UTC](https://discourse.paraview.org/t/surfacelic-crash-on-2d-vtu-in-paraview-5-8-0-and-5-8-1/5275 "2020-09-08T22:31:44Z")

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The same data resampled to .vit works fine. On ParaView 5.6.0 and 5.7.0, it renders correctly, but prints this error message: ERROR: In /Users/kitware/dashboards/buildbot-slave/a64f5607/build/superbuild/paraview/src/VT…

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## [PVSM ParaView State - Saving-Loading-Productivity](https://discourse.paraview.org/t/pvsm-paraview-state-saving-loading-productivity/5190)

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**Author:** [@patchett2002](https://discourse.paraview.org/u/patchett2002)\
**Replies:** 8\
**Last updated:** [September 8, 2020, 8:18pm UTC](https://discourse.paraview.org/t/pvsm-paraview-state-saving-loading-productivity/5190 "2020-09-08T20:18:31Z")

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Starting with 5.8.1 we have have a plugin that allows a single button click to save a .pvsm state file with a matching .png and empty .txt file all with the same name, different extensions. (saveStateandScreenShot Plugin…

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## [paraview 5.8 on windows + msmpi 10](https://discourse.paraview.org/t/paraview-5-8-on-windows-msmpi-10/5277)

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**Author:** [@kmilo9999](https://discourse.paraview.org/u/kmilo9999)\
**Replies:** 4\
**Last updated:** [September 8, 2020, 7:38pm UTC](https://discourse.paraview.org/t/paraview-5-8-on-windows-msmpi-10/5277 "2020-09-08T19:38:13Z")

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Hello, I am trying to build paraview 5.8 with MSMPI 10.12 , but cmake throws the errors: Could NOT find MPI\_C (missing: MPI\_C\_LIB\_NAMES MPI\_C\_WORKS) Could NOT find MPI (missing: MPI\_C\_FOUND C) CMake Error at VTK/CMa…

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## [Convert VTK ASCII to Binary to save space](https://discourse.paraview.org/t/convert-vtk-ascii-to-binary-to-save-space/2660)

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**Author:** [@Raj2019](https://discourse.paraview.org/u/Raj2019)\
**Replies:** 4\
**Last updated:** [September 8, 2020, 6:59pm UTC](https://discourse.paraview.org/t/convert-vtk-ascii-to-binary-to-save-space/2660 "2020-09-08T18:59:43Z")

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I have a .vtk file (0.25 TB) n ASCII format which I visualize in ParaView. I like to transfer the data to my collaborators for which I would like to convert it into a binary format. I tried to search through the interne…

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## [Desperately trying to extract data from point list](https://discourse.paraview.org/t/desperately-trying-to-extract-data-from-point-list/5289)

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**Author:** [@Richard](https://discourse.paraview.org/u/Richard)\
**Replies:** 2\
**Last updated:** [September 8, 2020, 12:53pm UTC](https://discourse.paraview.org/t/desperately-trying-to-extract-data-from-point-list/5289 "2020-09-08T12:53:09Z")

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Hello I am trying to Extract a selection of points (along a line) from a vtk block. The first part went relatively easy identifying the indices of the points I want to extract. This is what I did YToFind = 50. ZToFind…

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## [Access coloring by smproperties.xml in Python Plugin](https://discourse.paraview.org/t/access-coloring-by-smproperties-xml-in-python-plugin/5124)

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**Author:** [@Fabian\_Mueller](https://discourse.paraview.org/u/Fabian_Mueller)\
**Replies:** 2\
**Last updated:** [September 8, 2020, 6:28am UTC](https://discourse.paraview.org/t/access-coloring-by-smproperties-xml-in-python-plugin/5124 "2020-09-08T06:28:25Z")

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Dear Paraview Developpers, I wrote a Python Plugin to visualize solutions of our inhouse FE-software. Everything works fine and now I’m implementing some comfort features for my colleagues, such as which output should b…

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## [issues of compiling v5.8.0 on nersc cori by cc and CC](https://discourse.paraview.org/t/issues-of-compiling-v5-8-0-on-nersc-cori-by-cc-and-cc/5278)

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**Author:** [@zhe](https://discourse.paraview.org/u/zhe)\
**Replies:** 2\
**Last updated:** [September 7, 2020, 2:12pm UTC](https://discourse.paraview.org/t/issues-of-compiling-v5-8-0-on-nersc-cori-by-cc-and-cc/5278 "2020-09-07T14:12:45Z")

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Hello, I got following issues when compiling the v5.8.0 on nersc cori cluster: $ cmake ~/cworkspace/src/ParaView/ -DPARAVIEW\_USE\_QT=OFF -DPARAVIEW\_USE\_PYTHON=ON -DPARAVIEW\_USE\_MPI=ON -DVTK\_OPENGL\_HAS\_OSMESA:BOOL=TRUE -D…

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## [Regarding the xdmf file](https://discourse.paraview.org/t/regarding-the-xdmf-file/5264)

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**Author:** [@dark](https://discourse.paraview.org/u/dark)\
**Replies:** 3\
**Last updated:** [September 7, 2020, 10:00am UTC](https://discourse.paraview.org/t/regarding-the-xdmf-file/5264 "2020-09-07T10:00:59Z")

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Hello! Full disclosure, I do not know much about Paraview. I started learning FEniCS 2-3 days ago, and have been studying the related tutorials. So I tried the Navie\_stokes\_cylinder example, and made it work! But now I\`…

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## [strange export behaviour (can't export csv but other file types work well)](https://discourse.paraview.org/t/strange-export-behaviour-cant-export-csv-but-other-file-types-work-well/5276)

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**Author:** [@tomrobin.teschner](https://discourse.paraview.org/u/tomrobin.teschner)\
**Replies:** 1\
**Last updated:** [September 7, 2020, 9:19am UTC](https://discourse.paraview.org/t/strange-export-behaviour-cant-export-csv-but-other-file-types-work-well/5276 "2020-09-07T09:19:22Z")

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I came across a rather strange problem in paraview. There is probably not much help here that I can get for this particular problem, but maybe someone has some idea how I can debug this problem. I am currently not able …

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## [Contour works inproperly](https://discourse.paraview.org/t/contour-works-inproperly/5267)

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**Author:** [@sharaborin](https://discourse.paraview.org/u/sharaborin)\
**Replies:** 4\
**Last updated:** [September 4, 2020, 9:31pm UTC](https://discourse.paraview.org/t/contour-works-inproperly/5267 "2020-09-04T21:31:09Z")

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Dear All, I am trying to draw a contour from Octree mesh, which is saved in an Unstructured Grid format(points in vertex, variables in cells. Each cell knows the neighbors ). Would you give me a hint on how to plot con…

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## [cmake error ("-lsocket not found") for Paraview 5.6.3 from OpenFOAM 8 installation on linux](https://discourse.paraview.org/t/cmake-error-lsocket-not-found-for-paraview-5-6-3-from-openfoam-8-installation-on-linux/5266)

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**Author:** [@Guy](https://discourse.paraview.org/u/Guy)\
**Replies:** 1\
**Last updated:** [September 4, 2020, 1:02pm UTC](https://discourse.paraview.org/t/cmake-error-lsocket-not-found-for-paraview-5-6-3-from-openfoam-8-installation-on-linux/5266 "2020-09-04T13:02:17Z")

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Hello, For one of our users I have to install OpenFOAM-8 on a linux cluster running centOS 7.8. This software needs third party’s dependances like Paraview 5.6.3 that are downloaded and installed within OpenFOAM by scri…

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## [pvbatch problems](https://discourse.paraview.org/t/pvbatch-problems/5256)

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**Author:** [@sharaborin](https://discourse.paraview.org/u/sharaborin)\
**Replies:** 1\
**Last updated:** [September 3, 2020, 12:56pm UTC](https://discourse.paraview.org/t/pvbatch-problems/5256 "2020-09-03T12:56:38Z")

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Hello, I am trying to run my pvpython script in parallel because the file is huge (~3Gb). For these purposes, I have used Pat’s advice where he runs using pvbatch “mpirun -np 1 /path/to/pvbatch /path/to/script.py” I…

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## [SurfaceLIC and Camera Animation](https://discourse.paraview.org/t/surfacelic-and-camera-animation/5103)

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**Author:** [@Niklas](https://discourse.paraview.org/u/Niklas)\
**Replies:** 6\
**Last updated:** [September 3, 2020, 11:26am UTC](https://discourse.paraview.org/t/surfacelic-and-camera-animation/5103 "2020-09-03T11:26:01Z")

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Dear All, is there a workflow to use LIC and a moving camera at the same time? The noise texture seems to live in screen space and is not aligned with the 3D object it is mapped onto, therefore when moving the camera, s…

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## [How to track arbitrary points within polyline cells with the TemporalParticlesToPathlines filter?](https://discourse.paraview.org/t/how-to-track-arbitrary-points-within-polyline-cells-with-the-temporalparticlestopathlines-filter/5254)

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**Author:** [@wyan](https://discourse.paraview.org/u/wyan)\
**Replies:** 1\
**Last updated:** [September 3, 2020, 8:08am UTC](https://discourse.paraview.org/t/how-to-track-arbitrary-points-within-polyline-cells-with-the-temporalparticlestopathlines-filter/5254 "2020-09-03T08:08:55Z")

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We have a time sequence of some polyline points and cells. Tracking the motion of cell centers is straightforward, we can first apply the ‘cell center’ filter and then apply the TemporalParticlesToPathlines filter. Is t…

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## [Transient ensight gold case file for ParaView - performance](https://discourse.paraview.org/t/transient-ensight-gold-case-file-for-paraview-performance/5220)

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**Author:** [@flotus1](https://discourse.paraview.org/u/flotus1)\
**Replies:** 5\
**Last updated:** [September 3, 2020, 8:07am UTC](https://discourse.paraview.org/t/transient-ensight-gold-case-file-for-paraview-performance/5220 "2020-09-03T08:07:43Z")

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I am having second thoughts on my current implementation of ensight gold result files. The constraints are rather simple: I have a single geometry which does not change over time, i.e. the geometry.geo file only contain…

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## [how to select line with polygon?](https://discourse.paraview.org/t/how-to-select-line-with-polygon/5253)

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**Author:** [@kohit](https://discourse.paraview.org/u/kohit)\
**Replies:** 0\
**Last updated:** [September 3, 2020, 7:39am UTC](https://discourse.paraview.org/t/how-to-select-line-with-polygon/5253 "2020-09-03T07:39:31Z")

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“select points with polygon” function will select all the points inside the drawn polygon, however, I just need the points in the polygon edge, how can I achieve that?

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## [Is EGL enabled in any of the Kitware ParaView binaries?](https://discourse.paraview.org/t/is-egl-enabled-in-any-of-the-kitware-paraview-binaries/5247)

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**Author:** [@Dave\_DeMarle](https://discourse.paraview.org/u/Dave_DeMarle)\
**Replies:** 3\
**Last updated:** [September 3, 2020, 6:59am UTC](https://discourse.paraview.org/t/is-egl-enabled-in-any-of-the-kitware-paraview-binaries/5247 "2020-09-03T06:59:53Z")

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Just a quick question before I go ahead and build it to get EGL. Also, how might I check if a given pvbatch binary has it enabled? thanks

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## [Macro scripting for animation of concurrent frames](https://discourse.paraview.org/t/macro-scripting-for-animation-of-concurrent-frames/5113)

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**Author:** [@Partth\_Laad](https://discourse.paraview.org/u/Partth_Laad)\
**Replies:** 5\
**Last updated:** [September 2, 2020, 11:47am UTC](https://discourse.paraview.org/t/macro-scripting-for-animation-of-concurrent-frames/5113 "2020-09-02T11:47:11Z")

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Hi all, I had a quick question. Is there a Python scripting command list for macro creation in PV? I tried to find and follow the information from the user guide, but was not sure if that was the entire list of commands…

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## [pvpython outputs are different in MacOS and Linux, Is it a BUG?](https://discourse.paraview.org/t/pvpython-outputs-are-different-in-macos-and-linux-is-it-a-bug/5246)

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**Author:** [@sharaborin](https://discourse.paraview.org/u/sharaborin)\
**Replies:** 2\
**Last updated:** [September 2, 2020, 10:27am UTC](https://discourse.paraview.org/t/pvpython-outputs-are-different-in-macos-and-linux-is-it-a-bug/5246 "2020-09-02T10:27:21Z")

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Dear all! I am a newbie in pvpython scripting, I am trying to render my scientific findings but the object which is put into the renderview using Source=\>Cylinder or script variant: # create a new 'Cylinder' cylinder1…

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## [no slip boundary condition does not hold](https://discourse.paraview.org/t/no-slip-boundary-condition-does-not-hold/5234)

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**Author:** [@yashika\_dhote](https://discourse.paraview.org/u/yashika_dhote)\
**Replies:** 3\
**Last updated:** [September 2, 2020, 7:45am UTC](https://discourse.paraview.org/t/no-slip-boundary-condition-does-not-hold/5234 "2020-09-02T07:45:17Z")

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Dear All, I have no slip boundary condition at x=0 ( y-plane), when I am trying to see velocity at edge it shows some velocity magnitude… like at x=0.0022232 v.y =100 on y plane. I understand that it is showing me value…

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## [Can I run pvserver at Linux, and run paraview client at Windows?](https://discourse.paraview.org/t/can-i-run-pvserver-at-linux-and-run-paraview-client-at-windows/4763)

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**Author:** [@Superstarimage](https://discourse.paraview.org/u/Superstarimage)\
**Replies:** 4\
**Last updated:** [September 2, 2020, 2:54am UTC](https://discourse.paraview.org/t/can-i-run-pvserver-at-linux-and-run-paraview-client-at-windows/4763 "2020-09-02T02:54:22Z")

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Dear All, I am doing some rendering tests(Paraview) on hpc system with Linux os. Honestly, I am a noob. So I want to know that can I run pvserver at Linux, and run paraview client at Windows(the server and client must …

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## [windows 10 - The application was unable to start correctly (0xc0000022). Click OK to close the application](https://discourse.paraview.org/t/windows-10-the-application-was-unable-to-start-correctly-0xc0000022-click-ok-to-close-the-application/5199)

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**Author:** [@danlipsa](https://discourse.paraview.org/u/danlipsa)\
**Replies:** 3\
**Last updated:** [September 1, 2020, 2:44pm UTC](https://discourse.paraview.org/t/windows-10-the-application-was-unable-to-start-correctly-0xc0000022-click-ok-to-close-the-application/5199 "2020-09-01T14:44:41Z")

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I built ParaView using the instructions in build.md, but I am getting the error in the title when I try to run it. Any suggestions on how to debug this? Thanks, Dan

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## [A problem of parallel processing in paraview](https://discourse.paraview.org/t/a-problem-of-parallel-processing-in-paraview/5089)

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**Author:** [@Jerry](https://discourse.paraview.org/u/Jerry)\
**Replies:** 9\
**Last updated:** [September 1, 2020, 6:48pm UTC](https://discourse.paraview.org/t/a-problem-of-parallel-processing-in-paraview/5089 "2020-09-01T18:48:34Z")

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I have made two machines as a remote server. And it seemed work good when I put something from the Sources menu. But when I put something from other place, the parallel processing don’t work. There is only one colo…

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## [NRRD file support](https://discourse.paraview.org/t/nrrd-file-support/5233)

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**Author:** [@neurolabusc](https://discourse.paraview.org/u/neurolabusc)\
**Replies:** 5\
**Last updated:** [September 1, 2020, 2:29pm UTC](https://discourse.paraview.org/t/nrrd-file-support/5233 "2020-09-01T14:29:23Z")

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The NRRD format specification requires that extra whitespace after the field descriptor and before the line termination is ignored. However, the function ParseVector vtkNrrdReader.cxx trims the input string, but does no…

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## [Progress bar update during programmable filter execution](https://discourse.paraview.org/t/progress-bar-update-during-programmable-filter-execution/5044)

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**Author:** [@Alberto](https://discourse.paraview.org/u/Alberto)\
**Replies:** 1\
**Last updated:** [September 1, 2020, 11:32am UTC](https://discourse.paraview.org/t/progress-bar-update-during-programmable-filter-execution/5044 "2020-09-01T11:32:10Z")

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During programmable filter execution the progress bar starts to update but, after a certain percentage, the update doesn’t work anymore because the application is busy. The filter works fine but the user is not able to …

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## [Error on reading a VTK file with multiple scalars](https://discourse.paraview.org/t/error-on-reading-a-vtk-file-with-multiple-scalars/5224)

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**Author:** [@MartinLicht](https://discourse.paraview.org/u/MartinLicht)\
**Replies:** 1\
**Last updated:** [September 1, 2020, 12:25am UTC](https://discourse.paraview.org/t/error-on-reading-a-vtk-file-with-multiple-scalars/5224 "2020-09-01T00:25:23Z")

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I have got a simple file that associates two sets of values data1 and data2 to the vertices of an unstructured mesh, which I want to display in Paraview. If I leave out the second set of data, then everything works fine…

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## [Q criterion in Paraview](https://discourse.paraview.org/t/q-criterion-in-paraview/5062)

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**Author:** [@monika13](https://discourse.paraview.org/u/monika13)\
**Replies:** 8\
**Last updated:** [August 31, 2020, 2:59pm UTC](https://discourse.paraview.org/t/q-criterion-in-paraview/5062 "2020-08-31T14:59:53Z")

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Hello, i am trying to open this LES data file for around 3GB vtu but Paraview keep crashing and does not open. I am just wondering is this problem of Paraview or my system. Also I am trying to evaluate Qcriterion if th…

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## [Paraview crash after activating Remote Desktop Service Role services](https://discourse.paraview.org/t/paraview-crash-after-activating-remote-desktop-service-role-services/5228)

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**Author:** [@o.bottauscio](https://discourse.paraview.org/u/o.bottauscio)\
**Replies:** 0\
**Last updated:** [August 31, 2020, 2:43pm UTC](https://discourse.paraview.org/t/paraview-crash-after-activating-remote-desktop-service-role-services/5228 "2020-08-31T14:43:28Z")

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I installed Paraview 5.8.0 on a Virtual Machine (VMWare environment) running Windows Server 2019. Immediatley after the installation Paraview works perfectly with a Remote Desktop connection. After that I activated the…

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## [Cannot access shading option](https://discourse.paraview.org/t/cannot-access-shading-option/5098)

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**Author:** [@Michael\_Page](https://discourse.paraview.org/u/Michael_Page)\
**Replies:** 2\
**Last updated:** [August 31, 2020, 12:05pm UTC](https://discourse.paraview.org/t/cannot-access-shading-option/5098 "2020-08-31T12:05:13Z")

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Hi, I want to try the raytracing function in Paraview 5.8 and 5.8.1 on Window. I can activate the raytracing option, but shading option (light interpolation and other) are not available. Can someone already resolve this…

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