# ParaView Support

**URL:** https://discourse.paraview.org/c/paraview-support/7.md?page=187

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**Page:** 188

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## [Filters crashing program/PC](https://discourse.paraview.org/t/filters-crashing-program-pc/3886)

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**Author:** [@Chloe\_Pearce](https://discourse.paraview.org/u/Chloe_Pearce)\
**Replies:** 1\
**Last updated:** [March 26, 2020, 3:16am UTC](https://discourse.paraview.org/t/filters-crashing-program-pc/3886 "2020-03-26T03:16:41Z")

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Hi there, I’m working with a large data set and am working to create a 3D model from this. However, the program, and sometimes the PC crashes when I apply the filters clip and threshold. It is able to generate one conto…

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## [glGenFramebuffers errors in pvserver 5.8](https://discourse.paraview.org/t/glgenframebuffers-errors-in-pvserver-5-8/3632)

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**Author:** [@razoumov](https://discourse.paraview.org/u/razoumov)\
**Replies:** 14\
**Last updated:** [March 25, 2020, 6:21pm UTC](https://discourse.paraview.org/t/glgenframebuffers-errors-in-pvserver-5-8/3632 "2020-03-25T18:21:19Z")

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I usually compile pvserver on our CPU cluster with the following flags: -DVTK\_OPENGL\_HAS\_OSMESA=ON -DPARAVIEW\_USE\_MPI=ON -DBUILD\_TESTING=OFF -DVTK\_USE\_X=OFF -DPARAVIEW\_BUILD\_QT\_GUI=OFF -DPARAVIEW\_ENABLE\_PYTHON=ON -DPARA…

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## [Python - Slice Face two separate data sets](https://discourse.paraview.org/t/python-slice-face-two-separate-data-sets/3876)

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**Author:** [@chart3388](https://discourse.paraview.org/u/chart3388)\
**Replies:** 2\
**Last updated:** [March 24, 2020, 9:33pm UTC](https://discourse.paraview.org/t/python-slice-face-two-separate-data-sets/3876 "2020-03-24T21:33:07Z")

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Hi All, I have a thin surface with different values on the front and back face (front and back are just arbitrary names given for ease). We’d like to be able to separate the front face data and the back face data into …

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## [libGL error: No matching fbConfigs or visuals found libGL error: failed to load driver: swrast](https://discourse.paraview.org/t/libgl-error-no-matching-fbconfigs-or-visuals-found-libgl-error-failed-to-load-driver-swrast/3862)

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**Author:** [@ronmjacob](https://discourse.paraview.org/u/ronmjacob)\
**Replies:** 9\
**Last updated:** [March 24, 2020, 8:37pm UTC](https://discourse.paraview.org/t/libgl-error-no-matching-fbconfigs-or-visuals-found-libgl-error-failed-to-load-driver-swrast/3862 "2020-03-24T20:37:40Z")

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I am using openfoam for the first time. After installing openfoam, I get the following error while opening paraview 5.8.0-1: Can someone help me out with this? libGL error: No matching fbConfigs or visuals found libGL e…

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## [Does Glyph filter works with fixed number of points ?](https://discourse.paraview.org/t/does-glyph-filter-works-with-fixed-number-of-points/3870)

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**Author:** [@lainegates](https://discourse.paraview.org/u/lainegates)\
**Replies:** 2\
**Last updated:** [March 24, 2020, 3:07pm UTC](https://discourse.paraview.org/t/does-glyph-filter-works-with-fixed-number-of-points/3870 "2020-03-24T15:07:33Z")

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I am trying to use glyph to display normals for points. But the number of points changes along time. i.e., At step 0, there is no points; at step 1, there maybe 3 points ; then at step 2, there are 4 points. I organiz…

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## [Old-style Programmable Filter](https://discourse.paraview.org/t/old-style-programmable-filter/3868)

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**Author:** [@woodscn](https://discourse.paraview.org/u/woodscn)\
**Replies:** 2\
**Last updated:** [March 24, 2020, 2:45pm UTC](https://discourse.paraview.org/t/old-style-programmable-filter/3868 "2020-03-24T14:45:18Z")

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First, I know about the NumPy interface. It isn’t doing what I need it to. See the other discussion: https://discourse.paraview.org/t/slow-programmable-filter/3848/13 I’ve written a programmable filter for some analysis…

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## [Angular position of a structure](https://discourse.paraview.org/t/angular-position-of-a-structure/3873)

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**Author:** [@nada](https://discourse.paraview.org/u/nada)\
**Replies:** 0\
**Last updated:** [March 24, 2020, 12:59pm UTC](https://discourse.paraview.org/t/angular-position-of-a-structure/3873 "2020-03-24T12:59:34Z")

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Hello, I am trying to visualize the angular position ( or angular velocity ) of a spinning structure ( STL file ) , how could I do that ? . thanks

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## [mis-display the filename while ""Load State File" in PAraview5.8.0/windows 10](https://discourse.paraview.org/t/mis-display-the-filename-while-load-state-file-in-paraview5-8-0-windows-10/3750)

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**Author:** [@lfcma](https://discourse.paraview.org/u/lfcma)\
**Replies:** 4\
**Last updated:** [March 24, 2020, 6:41am UTC](https://discourse.paraview.org/t/mis-display-the-filename-while-load-state-file-in-paraview5-8-0-windows-10/3750 "2020-03-24T06:41:22Z")

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If there are two files the “Load State File” recongnize the correct filename ,for example “d:\\example\_3b.pvsm’, the Green arrow display the filename in windows system If there are multiple files the “preview load St…

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## [Slice and clip filter](https://discourse.paraview.org/t/slice-and-clip-filter/3799)

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**Author:** [@vishruthdilip](https://discourse.paraview.org/u/vishruthdilip)\
**Replies:** 28\
**Last updated:** [March 24, 2020, 2:10am UTC](https://discourse.paraview.org/t/slice-and-clip-filter/3799 "2020-03-24T02:10:22Z")

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Hello, I am trying to extract a surface region in my computational domain. I use the slice filter together with the clip filter to do this. However I have recently noticed this: When i use the clip filter directly …

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## ["Plot over line" the graph of analytical expression (as a function of x,t) over various time](https://discourse.paraview.org/t/plot-over-line-the-graph-of-analytical-expression-as-a-function-of-x-t-over-various-time/3869)

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**Author:** [@krishnakumar](https://discourse.paraview.org/u/krishnakumar)\
**Replies:** 3\
**Last updated:** [March 24, 2020, 2:02am UTC](https://discourse.paraview.org/t/plot-over-line-the-graph-of-analytical-expression-as-a-function-of-x-t-over-various-time/3869 "2020-03-24T02:02:07Z")

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I have a function u(x,t) = 10\\sin(\\frac{\\pi}{10} t)\\left(x^3 - 10 x^2 + 25 x\\right) i.e. a function of time ‘t’ and 1D space co-ordinate ‘x’. A numerical approximation of this solution has been obtained by solving a PDE…

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## [How to show Glyph immediately when loading pvd files ?](https://discourse.paraview.org/t/how-to-show-glyph-immediately-when-loading-pvd-files/3860)

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**Author:** [@lainegates](https://discourse.paraview.org/u/lainegates)\
**Replies:** 3\
**Last updated:** [March 24, 2020, 1:46am UTC](https://discourse.paraview.org/t/how-to-show-glyph-immediately-when-loading-pvd-files/3860 "2020-03-24T01:46:21Z")

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I am writing a numerical program for method like DEM. Each element is a discrete element which is represented by a vtkPolyData. So I wrote displacement data into \*.vtp file and organized with .pvd files. Paraview works g…

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## [SVG output](https://discourse.paraview.org/t/svg-output/3738)

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**Author:** [@ytang116](https://discourse.paraview.org/u/ytang116)\
**Replies:** 2\
**Last updated:** [March 23, 2020, 5:30pm UTC](https://discourse.paraview.org/t/svg-output/3738 "2020-03-23T17:30:14Z")

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Hello all, I think I have almost the problem as in this topic: but I didn’t see some definite answers. here are my problems. this picture shows the displacement field I’d like to generate. I want to output as an SV…

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## [Unable to find ParaView header file](https://discourse.paraview.org/t/unable-to-find-paraview-header-file/3707)

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**Author:** [@Yoshino](https://discourse.paraview.org/u/Yoshino)\
**Replies:** 8\
**Last updated:** [March 23, 2020, 1:27pm UTC](https://discourse.paraview.org/t/unable-to-find-paraview-header-file/3707 "2020-03-23T13:27:09Z")

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While customizing my simplified PropertiesPanel by copy-paste code from pqPropertiesPanel.h|cxx, Qt Creator reported that it could not find several header files meant to be included: I have built ParaView from source …

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## [Python script throws errors when trying to create a cone](https://discourse.paraview.org/t/python-script-throws-errors-when-trying-to-create-a-cone/3857)

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**Author:** [@braddeibert](https://discourse.paraview.org/u/braddeibert)\
**Replies:** 8\
**Last updated:** [March 21, 2020, 2:51am UTC](https://discourse.paraview.org/t/python-script-throws-errors-when-trying-to-create-a-cone/3857 "2020-03-21T02:51:42Z")

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Hello all. I am attempting to create a script to automate placing numerous cones into a paraview scene for me. I have run into issues with the following code block: tree = Cone() tree.Center = treeCenter.split(',') tre…

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## [Macos nightly build is missing](https://discourse.paraview.org/t/macos-nightly-build-is-missing/3842)

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**Author:** [@danlipsa](https://discourse.paraview.org/u/danlipsa)\
**Replies:** 2\
**Last updated:** [March 21, 2020, 2:31am UTC](https://discourse.paraview.org/t/macos-nightly-build-is-missing/3842 "2020-03-21T02:31:33Z")

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Macos nightly build is missing. Is this expected? Thanks, Dan

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## [Inconsistency detected by ld.so](https://discourse.paraview.org/t/inconsistency-detected-by-ld-so/3778)

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**Author:** [@Senui](https://discourse.paraview.org/u/Senui)\
**Replies:** 4\
**Last updated:** [March 21, 2020, 2:14am UTC](https://discourse.paraview.org/t/inconsistency-detected-by-ld-so/3778 "2020-03-21T02:14:08Z")

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Hello, Using the official ParaView binaries ParaView-5.8.0-MPI-Linux-Python3.7-64bit on Ubuntu 16.04, I get an error when doing pvpython foo.py where foo.py only contains the line from paraview.simple import \* Incons…

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## [Build redistributable ParaView (SDK) using ParaViewPluginBuilder](https://discourse.paraview.org/t/build-redistributable-paraview-sdk-using-paraviewpluginbuilder/3676)

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**Author:** [@Senui](https://discourse.paraview.org/u/Senui)\
**Replies:** 4\
**Last updated:** [March 21, 2020, 2:11am UTC](https://discourse.paraview.org/t/build-redistributable-paraview-sdk-using-paraviewpluginbuilder/3676 "2020-03-21T02:11:45Z")

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Hello, I recently got my question answered on how to build a plugin that can be loaded into the official ParaView binary (thanks!). Apparently, there is this nice repository called ParaViewPluginBuilder that sets up the…

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## [unable to read XDMF Set or Subset](https://discourse.paraview.org/t/unable-to-read-xdmf-set-or-subset/3775)

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**Author:** [@AF-IR](https://discourse.paraview.org/u/AF-IR)\
**Replies:** 4\
**Last updated:** [March 21, 2020, 2:02am UTC](https://discourse.paraview.org/t/unable-to-read-xdmf-set-or-subset/3775 "2020-03-21T02:02:05Z")

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Trying to select a portion on the grid and assign different values to. Tried using Set and SubSet both fail. Been reading the documentation of both XDMF and Paraview and tried everything but to no avail. From the 3 read…

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## [Cannot debug the compiled paraview source files](https://discourse.paraview.org/t/cannot-debug-the-compiled-paraview-source-files/3549)

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**Author:** [@LWR](https://discourse.paraview.org/u/LWR)\
**Replies:** 1\
**Last updated:** [March 21, 2020, 1:11am UTC](https://discourse.paraview.org/t/cannot-debug-the-compiled-paraview-source-files/3549 "2020-03-21T01:11:25Z")

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Hi, I am trying to build and compile ParaView-5.5.1 from source files On Windows by MSVC2013. When I finished the compilation, I found run without debugging works well, but run with debugging is blocked. Eventually, I fi…

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## [Xdmf reader crashes: "entity reference loop"](https://discourse.paraview.org/t/xdmf-reader-crashes-entity-reference-loop/3518)

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**Author:** [@bastian](https://discourse.paraview.org/u/bastian)\
**Replies:** 1\
**Last updated:** [March 21, 2020, 1:06am UTC](https://discourse.paraview.org/t/xdmf-reader-crashes-entity-reference-loop/3518 "2020-03-21T01:06:04Z")

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Hello, here’s an odd bug. I’m trying to load a bunch of data stored in binary files via an Xdmf wrapper file. I’ve been doing this for quite some time without much trouble, but here’s an Xdmf file that just won’t load…

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## [Closing Matplotlib plots with pvpython throws TypeError in Paraview 5.7](https://discourse.paraview.org/t/closing-matplotlib-plots-with-pvpython-throws-typeerror-in-paraview-5-7/3399)

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**Author:** [@TimJim](https://discourse.paraview.org/u/TimJim)\
**Replies:** 6\
**Last updated:** [March 21, 2020, 12:31am UTC](https://discourse.paraview.org/t/closing-matplotlib-plots-with-pvpython-throws-typeerror-in-paraview-5-7/3399 "2020-03-21T00:31:58Z")

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Hi, I just updated from Paraview 5.6 to 5.7. I had it configured to work with an existing conda python environment. It seems that if on opening a new Matplotlib plot along the lines of the following: import matplotlib.p…

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## [Using shared libraries on Cray slow down Paraview?](https://discourse.paraview.org/t/using-shared-libraries-on-cray-slow-down-paraview/3402)

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**Author:** [@dutta-alankar](https://discourse.paraview.org/u/dutta-alankar)\
**Replies:** 1\
**Last updated:** [March 21, 2020, 12:08am UTC](https://discourse.paraview.org/t/using-shared-libraries-on-cray-slow-down-paraview/3402 "2020-03-21T00:08:02Z")

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I have compiled Paraview by putting set(BUILD\_SHARED\_LIBS ON CACHE BOOL “”) in cmake and using export CRAYPE\_LINK\_TYPE=dynamic enabling Paraview to work with shared libraries on Cray XC40 (SahasraT). But does this confi…

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## [ERROR: Cannot compile a minimal program. The toolchain or QMakeSpec is broken. While building ParaView to execute Qt custom apps](https://discourse.paraview.org/t/error-cannot-compile-a-minimal-program-the-toolchain-or-qmakespec-is-broken-while-building-paraview-to-execute-qt-custom-apps/3053)

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**Author:** [@maria\_vlas](https://discourse.paraview.org/u/maria_vlas)\
**Replies:** 1\
**Last updated:** [March 20, 2020, 6:41pm UTC](https://discourse.paraview.org/t/error-cannot-compile-a-minimal-program-the-toolchain-or-qmakespec-is-broken-while-building-paraview-to-execute-qt-custom-apps/3053 "2020-03-20T18:41:34Z")

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I have been trying to build ParaView to test the custom apps examples at https://gitlab.kitware.com/paraview/paraview/tree/master/Examples/CustomApplications on MacOS. I have followed the site instructions at https://gi…

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## [Need help in Ploting 2d XY line chart from a file written in tecplot style](https://discourse.paraview.org/t/need-help-in-ploting-2d-xy-line-chart-from-a-file-written-in-tecplot-style/3852)

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**Author:** [@Bhanuday.Sharma](https://discourse.paraview.org/u/Bhanuday.Sharma)\
**Replies:** 0\
**Last updated:** [March 20, 2020, 7:27am UTC](https://discourse.paraview.org/t/need-help-in-ploting-2d-xy-line-chart-from-a-file-written-in-tecplot-style/3852 "2020-03-20T07:27:50Z")

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I wish to plot a XY line from a file (foo.tec) written in tecplot style. The content of the file is as following: TITLE = "Multi-Zone 2D Plot" VARIABLES = "X", "Press" ZONE T="ZONE-1" 1.0 100.0 1.2 95.0 1.8 90.0 2.…

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## [Clipping bug when changing representation of data from surface to volume](https://discourse.paraview.org/t/clipping-bug-when-changing-representation-of-data-from-surface-to-volume/3381)

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**Author:** [@Pat](https://discourse.paraview.org/u/Pat)\
**Replies:** 12\
**Last updated:** [March 20, 2020, 8:05am UTC](https://discourse.paraview.org/t/clipping-bug-when-changing-representation-of-data-from-surface-to-volume/3381 "2020-03-20T08:05:20Z")

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Hello, I have noticed an annoying bug when rendering my data in both Paraview v5.7.0 and the nightly builds. My data which is stored in a HDF5 format is being read into Paraview through a XDMF file which I think could b…

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## [Programmable Source: Vorticity and gradient from numpy data](https://discourse.paraview.org/t/programmable-source-vorticity-and-gradient-from-numpy-data/3846)

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**Author:** [@MiguelAngelAGUIRRE](https://discourse.paraview.org/u/MiguelAngelAGUIRRE)\
**Replies:** 2\
**Last updated:** [March 19, 2020, 11:03am UTC](https://discourse.paraview.org/t/programmable-source-vorticity-and-gradient-from-numpy-data/3846 "2020-03-19T11:03:10Z")

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Hello, I have a programmable source that creates a Delaunay2D mesh from Numpy arrays. Now I want to calculate the vorticity from the vector field but “algs.vorticity(Vector\_Speed)” do not work because “Vector\_Speed” is …

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## [error when compiling ParaView](https://discourse.paraview.org/t/error-when-compiling-paraview/3845)

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**Author:** [@Plassf](https://discourse.paraview.org/u/Plassf)\
**Replies:** 2\
**Last updated:** [March 19, 2020, 9:05am UTC](https://discourse.paraview.org/t/error-when-compiling-paraview/3845 "2020-03-19T09:05:21Z")

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Hello, I installed OpenFoam v1912. When I try to compile ParaView with theses instructions: cd $WM\_THIRD\_PARTY\_DIR ./makeParaView it’s returning these error messages: ./makeParaView: 64: local: -DWM\_DP: bad variable…

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## [Cannot convert CSV table to points](https://discourse.paraview.org/t/cannot-convert-csv-table-to-points/3803)

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**Author:** [@jwesolow](https://discourse.paraview.org/u/jwesolow)\
**Replies:** 6\
**Last updated:** [March 19, 2020, 2:49am UTC](https://discourse.paraview.org/t/cannot-convert-csv-table-to-points/3803 "2020-03-19T02:49:38Z")

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Hi, I have been attempting to convert an x,y,z,scalar dataset to points using the Table to Points filter. However, I cannot get it to work no matter what I do. I am using a pristine installation of 5.8.0 on Windows. I h…

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## [texture Mapper 3D](https://discourse.paraview.org/t/texture-mapper-3d/2232)

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**Author:** [@Vaya\_Putra](https://discourse.paraview.org/u/Vaya_Putra)\
**Replies:** 13\
**Last updated:** [March 19, 2020, 2:49am UTC](https://discourse.paraview.org/t/texture-mapper-3d/2232 "2020-03-19T02:49:10Z")

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every i open new file to visualize i always got this comment Generic Warning: In /build/paraview-lH8wFv/paraview-5.4.1+dfsg3/VTK/Rendering/VolumeOpenGL/vtkOpenGLVolumeTextureMapper3D.cxx, line 57 vtkOpenGLVolumeTexture…

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## [View disappears and creates artifacts in multiblock pan and rotate](https://discourse.paraview.org/t/view-disappears-and-creates-artifacts-in-multiblock-pan-and-rotate/3837)

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**Author:** [@luigiraffaele](https://discourse.paraview.org/u/luigiraffaele)\
**Replies:** 8\
**Last updated:** [March 18, 2020, 9:46am UTC](https://discourse.paraview.org/t/view-disappears-and-creates-artifacts-in-multiblock-pan-and-rotate/3837 "2020-03-18T09:46:24Z")

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Dear all I have created a multiblock datafile with two DTM (digital terrain model). If I pan or rotate the view, it disappears and creates artifacts. This doesn’t happen in the case I have a single DTM file. …

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