# ParaView Support

**URL:** https://discourse.paraview.org/c/paraview-support/7.md?page=186

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

**Page:** 187

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## [This program is not starting on my computer.](https://discourse.paraview.org/t/this-program-is-not-starting-on-my-computer/3960)

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**Author:** [@A\_Alper\_AKIS](https://discourse.paraview.org/u/A_Alper_AKIS)\
**Replies:** 2\
**Last updated:** [April 6, 2020, 7:11am UTC](https://discourse.paraview.org/t/this-program-is-not-starting-on-my-computer/3960 "2020-04-06T07:11:57Z")

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Hello, When I click the icon, the program does not open and just coming up empty screen then close it. Best Regards, Alper

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## [Representation of the glyph scale](https://discourse.paraview.org/t/representation-of-the-glyph-scale/3963)

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**Author:** [@nayla\_salvador](https://discourse.paraview.org/u/nayla_salvador)\
**Replies:** 6\
**Last updated:** [April 5, 2020, 7:17pm UTC](https://discourse.paraview.org/t/representation-of-the-glyph-scale/3963 "2020-04-05T19:17:54Z")

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Hello, I would like to know if there is the option of leaving my glyphs colored so that their intensity is shown. Another option I would like to know (which would be more useful for my study) is if paraview can inser…

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## [Poor visualization performance on Clip browser](https://discourse.paraview.org/t/poor-visualization-performance-on-clip-browser/3961)

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**Author:** [@Richard](https://discourse.paraview.org/u/Richard)\
**Replies:** 1\
**Last updated:** [April 3, 2020, 8:39pm UTC](https://discourse.paraview.org/t/poor-visualization-performance-on-clip-browser/3961 "2020-04-03T20:39:03Z")

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Id like to understand why visualization performance are so poor after clipping (and not after slicing) Have you heard about a similar issue? I can send some video capture if you want me to Thank you Regards Richard

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## [Load time series with python state file](https://discourse.paraview.org/t/load-time-series-with-python-state-file/3951)

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**Author:** [@DGT](https://discourse.paraview.org/u/DGT)\
**Replies:** 2\
**Last updated:** [April 3, 2020, 3:54pm UTC](https://discourse.paraview.org/t/load-time-series-with-python-state-file/3951 "2020-04-03T15:54:10Z")

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Hello, I am trying to load some time series through a python state file but unfortunately, I only manage to load the first time step. Here is the syntax I am using : xml\_reader = XMLMultiBlockDataReader(Filename= file\_…

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## [How to clear background image drop down list?](https://discourse.paraview.org/t/how-to-clear-background-image-drop-down-list/3943)

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**Author:** [@Badoumba](https://discourse.paraview.org/u/Badoumba)\
**Replies:** 2\
**Last updated:** [April 2, 2020, 8:24am UTC](https://discourse.paraview.org/t/how-to-clear-background-image-drop-down-list/3943 "2020-04-02T08:24:43Z")

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Hello! I have tested different background images but only want to keep one for my saved state. However, the interface keeps the previous images links active. When I open the saved state, he is still looking for non exis…

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## [Getting the content of a spreadSheet in python list with pvpython](https://discourse.paraview.org/t/getting-the-content-of-a-spreadsheet-in-python-list-with-pvpython/3926)

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**Author:** [@Lorenzo\_Cozzi](https://discourse.paraview.org/u/Lorenzo_Cozzi)\
**Replies:** 4\
**Last updated:** [April 2, 2020, 7:28am UTC](https://discourse.paraview.org/t/getting-the-content-of-a-spreadsheet-in-python-list-with-pvpython/3926 "2020-04-02T07:28:30Z")

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Dear all, I’m trying to compute area average distributions of flow quantities with a pvpython script. To perform the computations I need to get in my python script some quantities that are present in a spreadsheet that …

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## [streamlinesRepresentation plugin issue](https://discourse.paraview.org/t/streamlinesrepresentation-plugin-issue/3922)

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**Author:** [@benoitpaillard](https://discourse.paraview.org/u/benoitpaillard)\
**Replies:** 3\
**Last updated:** [April 2, 2020, 2:07am UTC](https://discourse.paraview.org/t/streamlinesrepresentation-plugin-issue/3922 "2020-04-02T02:07:04Z")

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Hi all, When using StreamlinesRepresentation plugin in 5.8, the “line thickness” and “render as tubes” properties disappear, however it still is present and can be changed when representation is changed back to surface,…

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## [Can surface scalar data be stored on a vtkUnstructuredGrid?](https://discourse.paraview.org/t/can-surface-scalar-data-be-stored-on-a-vtkunstructuredgrid/3940)

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**Author:** [@vchan1186](https://discourse.paraview.org/u/vchan1186)\
**Replies:** 1\
**Last updated:** [April 2, 2020, 1:38am UTC](https://discourse.paraview.org/t/can-surface-scalar-data-be-stored-on-a-vtkunstructuredgrid/3940 "2020-04-02T01:38:23Z")

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Dear VTK experts, Is it possible to visualize scalar attributes on the faces of a vtkUnstructuredGrid, which also contains scalar attributes at each cell? Currently, I am outputting two separate files for storing the un…

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## [How to install OpenCV ?](https://discourse.paraview.org/t/how-to-install-opencv/3913)

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**Author:** [@MiguelAngelAGUIRRE](https://discourse.paraview.org/u/MiguelAngelAGUIRRE)\
**Replies:** 3\
**Last updated:** [April 1, 2020, 8:05pm UTC](https://discourse.paraview.org/t/how-to-install-opencv/3913 "2020-04-01T20:05:58Z")

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Hello, I would like to install OpenCV in Paraview 5.2 (Python 2.7) for Windows (without bouilding up PV from source). Is there any document with the detailed procedure? After looking at several blogs, I found that I ha…

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## [Animation Geometry Cache Limit](https://discourse.paraview.org/t/animation-geometry-cache-limit/3939)

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**Author:** [@amarcozzi11](https://discourse.paraview.org/u/amarcozzi11)\
**Replies:** 3\
**Last updated:** [April 1, 2020, 6:26pm UTC](https://discourse.paraview.org/t/animation-geometry-cache-limit/3939 "2020-04-01T18:26:29Z")

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Hello, I am following the NVIDIA Index Paraview Plugin User Guide. In the guide it instructs the user to check the Cache Geometry for Animation option in Settings / General, which I’ve done, but there’s no option to set …

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## [Black screen in ParaView 5.8](https://discourse.paraview.org/t/black-screen-in-paraview-5-8/3884)

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**Author:** [@MarcDP](https://discourse.paraview.org/u/MarcDP)\
**Replies:** 3\
**Last updated:** [April 1, 2020, 1:53am UTC](https://discourse.paraview.org/t/black-screen-in-paraview-5-8/3884 "2020-04-01T01:53:49Z")

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With the latest version of ParaView I was experiencing the video issue related to the Intel graphics driver, reported in other discussions on this forum. Unfortunately after updating to the latest driver version 26.20.1…

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## [meaning of "animateable" attribute in smproperty](https://discourse.paraview.org/t/meaning-of-animateable-attribute-in-smproperty/3923)

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**Author:** [@ademaio](https://discourse.paraview.org/u/ademaio)\
**Replies:** 3\
**Last updated:** [April 1, 2020, 1:50am UTC](https://discourse.paraview.org/t/meaning-of-animateable-attribute-in-smproperty/3923 "2020-04-01T01:50:30Z")

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Could anyone please explain the meaning of “animateable” attribute in smproperty definition? When it should be used? Thank you in advance for any help

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## [ParaView Freezes on start - Windows 10](https://discourse.paraview.org/t/paraview-freezes-on-start-windows-10/2603)

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**Author:** [@AlexandreMagnolc](https://discourse.paraview.org/u/AlexandreMagnolc)\
**Replies:** 30\
**Last updated:** [March 31, 2020, 3:31pm UTC](https://discourse.paraview.org/t/paraview-freezes-on-start-windows-10/2603 "2020-03-31T15:31:38Z")

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Hello, I’m beggining OpenFoam and trying to see some results on ParaView. I’ve installed the ParaView-5.7.0-RC4-Windows-Python3.7-msvc2015-64bit, but it freezes right after opening. This appears and then it freezes an…

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## [Is it possible to show/hide toolbars in python scripts (macro) in Paraview?](https://discourse.paraview.org/t/is-it-possible-to-show-hide-toolbars-in-python-scripts-macro-in-paraview/3918)

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**Author:** [@leoncwu](https://discourse.paraview.org/u/leoncwu)\
**Replies:** 2\
**Last updated:** [March 31, 2020, 1:48pm UTC](https://discourse.paraview.org/t/is-it-possible-to-show-hide-toolbars-in-python-scripts-macro-in-paraview/3918 "2020-03-31T13:48:32Z")

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Hi, I am trying to automate the visualization of data in Paraview by using the macro (python scripting). I was wondering if it would be possible to show/hide the toolbars (such as Main Controls, VCR controls, Pipeline B…

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## [3D VTK Image data to uniform grid filter unavaiable](https://discourse.paraview.org/t/3d-vtk-image-data-to-uniform-grid-filter-unavaiable/3925)

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**Author:** [@eatgreen](https://discourse.paraview.org/u/eatgreen)\
**Replies:** 1\
**Last updated:** [March 31, 2020, 12:46pm UTC](https://discourse.paraview.org/t/3d-vtk-image-data-to-uniform-grid-filter-unavaiable/3925 "2020-03-31T12:46:35Z")

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Hi there, I want to plot contour (isovalues) for a 3D image VTK data using Paraview. My vtkImageData is generated by following code: auto writer = vtkSmartPointer\<vtkXMLImageDataWriter\>::New(); auto dataSet = vtkSmart…

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## [Programmable filter: include image in the properties panel](https://discourse.paraview.org/t/programmable-filter-include-image-in-the-properties-panel/3906)

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**Author:** [@MiguelAngelAGUIRRE](https://discourse.paraview.org/u/MiguelAngelAGUIRRE)\
**Replies:** 3\
**Last updated:** [March 30, 2020, 12:42pm UTC](https://discourse.paraview.org/t/programmable-filter-include-image-in-the-properties-panel/3906 "2020-03-30T12:42:56Z")

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Hello! I would like to know if there is a specific XML hint allowing including images in the GUI of a given Programmable filter, i.e., something like this: But for images inside the GUI (not for icon images)…

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## [Fail to read attribute data](https://discourse.paraview.org/t/fail-to-read-attribute-data/3874)

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**Author:** [@fpoulin](https://discourse.paraview.org/u/fpoulin)\
**Replies:** 10\
**Last updated:** [March 30, 2020, 4:33am UTC](https://discourse.paraview.org/t/fail-to-read-attribute-data/3874 "2020-03-30T04:33:51Z")

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I have created an H5 file that stores two variables. One I can view in paraview and the other I can’t because it fails to read attribute data. Error copied below. I am able to supply a short file that shows the proble…

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## [reduce vtu file data, time series and non-topological change](https://discourse.paraview.org/t/reduce-vtu-file-data-time-series-and-non-topological-change/3894)

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**Author:** [@jaekwangjk12](https://discourse.paraview.org/u/jaekwangjk12)\
**Replies:** 4\
**Last updated:** [March 30, 2020, 2:02am UTC](https://discourse.paraview.org/t/reduce-vtu-file-data-time-series-and-non-topological-change/3894 "2020-03-30T02:02:28Z")

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Hi all. I am generating time-series data which does not have any topological change. my vtu file is looks like below. In a set of data files, Grid Point, Cells (Type, Connectivity etc…) need not be change, but they s…

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## [Problem with views and interface](https://discourse.paraview.org/t/problem-with-views-and-interface/3902)

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**Author:** [@danygodinez13](https://discourse.paraview.org/u/danygodinez13)\
**Replies:** 3\
**Last updated:** [March 30, 2020, 1:50am UTC](https://discourse.paraview.org/t/problem-with-views-and-interface/3902 "2020-03-30T01:50:41Z")

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Hi, I have this problem, when I try to change view of my model the interface of Paraview do a mess the windows size. Does anyone can help me to fix it?

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## ["Apply" button for properties stays grayed out after first use.](https://discourse.paraview.org/t/apply-button-for-properties-stays-grayed-out-after-first-use/3910)

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**Author:** [@user223](https://discourse.paraview.org/u/user223)\
**Replies:** 2\
**Last updated:** [March 30, 2020, 1:47am UTC](https://discourse.paraview.org/t/apply-button-for-properties-stays-grayed-out-after-first-use/3910 "2020-03-30T01:47:41Z")

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The problem I am having is with the “Apply” button under “Properties” pane. As shown in the image below, I change the “Line width” to some value, clicked “Apply” and the new view was rendered. Then I changed the “Lin…

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## [Translating/Pan view by value](https://discourse.paraview.org/t/translating-pan-view-by-value/3747)

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**Author:** [@user223](https://discourse.paraview.org/u/user223)\
**Replies:** 2\
**Last updated:** [March 29, 2020, 7:00pm UTC](https://discourse.paraview.org/t/translating-pan-view-by-value/3747 "2020-03-29T19:00:10Z")

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I want to Pan/Translate the current view along a direction (or move the center of the view to some other location) Basically, I am want exactly the same results as panning with mouse but in more controlled manner. (Move…

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## [Problem with cgns reader (version 5.\*)](https://discourse.paraview.org/t/problem-with-cgns-reader-version-5/3880)

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**Author:** [@daxian](https://discourse.paraview.org/u/daxian)\
**Replies:** 4\
**Last updated:** [March 28, 2020, 4:03pm UTC](https://discourse.paraview.org/t/problem-with-cgns-reader-version-5/3880 "2020-03-28T16:03:25Z")

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Hello, I have an unstructured cgns file, which can be read by paraview version 4.3.1. However, all 5.\* versions seem to have a problem (core dumped). Tecplot was able to read the file. I have put the file here: Any…

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## [Crashing issue (Windows 10)](https://discourse.paraview.org/t/crashing-issue-windows-10/3905)

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**Author:** [@Shinnawy](https://discourse.paraview.org/u/Shinnawy)\
**Replies:** 1\
**Last updated:** [March 27, 2020, 9:24pm UTC](https://discourse.paraview.org/t/crashing-issue-windows-10/3905 "2020-03-27T21:24:19Z")

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Hi, I tried using ParaView today and it worked quite well until I changed “Solid color” to “Displacements” to view deformation grids, then it just crashes. I am trying to do some DICe analysis, and am not using that muc…

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## [Orienting a cylinder source via pv python?](https://discourse.paraview.org/t/orienting-a-cylinder-source-via-pv-python/3896)

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**Author:** [@braddeibert](https://discourse.paraview.org/u/braddeibert)\
**Replies:** 4\
**Last updated:** [March 27, 2020, 11:48am UTC](https://discourse.paraview.org/t/orienting-a-cylinder-source-via-pv-python/3896 "2020-03-27T11:48:26Z")

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Hey there all, hope you’re all staying busy and healthy! My question arises from troubles I’ve run into attempting to generate a cylinder source that “stands up” about the z-axis from a python script. Since the .Direct…

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## [Extracting velocity values at specified points using .csv files](https://discourse.paraview.org/t/extracting-velocity-values-at-specified-points-using-csv-files/3882)

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**Author:** [@Tommip](https://discourse.paraview.org/u/Tommip)\
**Replies:** 7\
**Last updated:** [March 27, 2020, 3:26am UTC](https://discourse.paraview.org/t/extracting-velocity-values-at-specified-points-using-csv-files/3882 "2020-03-27T03:26:56Z")

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To whom it may concern, I am trying to use the latest version of Paraview to extract velocity values at a series of probe points from a Simscale Simulation. I have a long list with the coordinates of all the points that…

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## [Question about using slice in pvpython](https://discourse.paraview.org/t/question-about-using-slice-in-pvpython/3897)

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**Author:** [@tabeach](https://discourse.paraview.org/u/tabeach)\
**Replies:** 1\
**Last updated:** [March 27, 2020, 2:38am UTC](https://discourse.paraview.org/t/question-about-using-slice-in-pvpython/3897 "2020-03-27T02:38:18Z")

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I’ve used Slice and IntegrateVariables/SurfaceFlow using Pot3d Datasets for post processing. I’ve tried to extend that by creating new Arrays beyond the 5 variables initially read in. I can use Calculator for simple eq…

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## [make install gives error while building Paraview-5.7 but not for Paraview-5.4 on Cray XC40 after a successful make](https://discourse.paraview.org/t/make-install-gives-error-while-building-paraview-5-7-but-not-for-paraview-5-4-on-cray-xc40-after-a-successful-make/3407)

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**Author:** [@dutta-alankar](https://discourse.paraview.org/u/dutta-alankar)\
**Replies:** 3\
**Last updated:** [March 26, 2020, 3:31pm UTC](https://discourse.paraview.org/t/make-install-gives-error-while-building-paraview-5-7-but-not-for-paraview-5-4-on-cray-xc40-after-a-successful-make/3407 "2020-03-26T15:31:42Z")

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Hi, I am able to successfully make Paraview from superbuild for version 5.7. However I get the following error on issuing make install. I didn’t get such an error in case of Paraview-5.4 WARNING: dependency from /mnt/l…

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## [Fail in importing paraview.simple in python script](https://discourse.paraview.org/t/fail-in-importing-paraview-simple-in-python-script/3891)

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**Author:** [@leoncwu](https://discourse.paraview.org/u/leoncwu)\
**Replies:** 5\
**Last updated:** [March 26, 2020, 3:26pm UTC](https://discourse.paraview.org/t/fail-in-importing-paraview-simple-in-python-script/3891 "2020-03-26T15:26:55Z")

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I want to use an external Python 3 interpreter to control Paraview by importing the paraview.simple module on Windows. I have already included the following path to the sys.path ParaView 5.8.0-Windows-Python3.7-msvc2015…

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## [Why wall shear stress calculated directly from my solver is different from the value that I calculated based on GradientOfUnstructuredGrid from ParaView?](https://discourse.paraview.org/t/why-wall-shear-stress-calculated-directly-from-my-solver-is-different-from-the-value-that-i-calculated-based-on-gradientofunstructuredgrid-from-paraview/2920)

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**Author:** [@myousefi2016](https://discourse.paraview.org/u/myousefi2016)\
**Replies:** 1\
**Last updated:** [March 26, 2020, 10:53am UTC](https://discourse.paraview.org/t/why-wall-shear-stress-calculated-directly-from-my-solver-is-different-from-the-value-that-i-calculated-based-on-gradientofunstructuredgrid-from-paraview/2920 "2020-03-26T10:53:13Z")

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I want to compare the wall shear stress calculated directly from my CFD solver with the value that I can calculate from ParaView based on GradientOfUnstructuredDataSet. I use this formula for wall shear stress calculatio…

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## [Surface Data on Structured Grid](https://discourse.paraview.org/t/surface-data-on-structured-grid/3892)

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**Author:** [@B.S](https://discourse.paraview.org/u/B.S)\
**Replies:** 1\
**Last updated:** [March 26, 2020, 3:29am UTC](https://discourse.paraview.org/t/surface-data-on-structured-grid/3892 "2020-03-26T03:29:51Z")

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Looking for a document that discusses surface data for structured grids in detail. Any help would be appreciated. In particular, interested in visualizing surface data on the FACES of structured grid data (e.g. VTK-Hexa…

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