# ParaView Support

**URL:** https://discourse.paraview.org/c/paraview-support/7.md?page=176

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

**Page:** 177

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## [Just starting out](https://discourse.paraview.org/t/just-starting-out/4038)

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**Author:** [@Brownwrap](https://discourse.paraview.org/u/Brownwrap)\
**Replies:** 9\
**Last updated:** [April 14, 2020, 6:42pm UTC](https://discourse.paraview.org/t/just-starting-out/4038 "2020-04-14T18:42:32Z")

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I am able to install Paraview on my Windows laptop and start it. I have been asked to install it on Linux. I have downloaded the source and built it to no avail. I have download the pre-compiled code with the Mesa libra…

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## [ParaView\_FOUND is set to FALSE](https://discourse.paraview.org/t/paraview-found-is-set-to-false/4651)

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**Author:** [@zhe](https://discourse.paraview.org/u/zhe)\
**Replies:** 8\
**Last updated:** [June 23, 2020, 2:39pm UTC](https://discourse.paraview.org/t/paraview-found-is-set-to-false/4651 "2020-06-23T14:39:40Z")

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Hello, I built paraview v5.7.0 on cori cluster, and when I compile my project by find\_package(ParaView 5.7 REQUIRED COMPONENTS Catalyst PythonCatalyst) it shows that CMake Error at CMakeLists.txt:5 (find\_package): …

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## [Paraview 5.x is immediately crashing in my laptop](https://discourse.paraview.org/t/paraview-5-x-is-immediately-crashing-in-my-laptop/4655)

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**Author:** [@ckesanapalli](https://discourse.paraview.org/u/ckesanapalli)\
**Replies:** 0\
**Last updated:** [June 23, 2020, 1:14pm UTC](https://discourse.paraview.org/t/paraview-5-x-is-immediately-crashing-in-my-laptop/4655 "2020-06-23T13:14:50Z")

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Hi Guys, I am trying to install Paraview 5.8 in my laptop. Here are my laptop specs Elitebook 850 Intel® Core™ i7-8665U CPU @ 1.90GHz, 2112 Mhz, 4 Core(s), 8 Logical Processor(s) 16 Gb RAM Radeon 550X Series After…

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## [Potential pvbatch bug](https://discourse.paraview.org/t/potential-pvbatch-bug/4363)

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**Author:** [@Andy\_Bauer](https://discourse.paraview.org/u/Andy_Bauer)\
**Replies:** 5\
**Last updated:** [June 23, 2020, 12:42pm UTC](https://discourse.paraview.org/t/potential-pvbatch-bug/4363 "2020-06-23T12:42:46Z")

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I’m noticing weird behavior of pvbatch in parallel on multiple systems since v5.8 where if I try to access sys.argv that the script doesn’t exit properly. Try the following in a script with pvbatch with more than a singl…

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## [Paraview Windows Build Errors](https://discourse.paraview.org/t/paraview-windows-build-errors/4650)

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**Author:** [@jdesman1](https://discourse.paraview.org/u/jdesman1)\
**Replies:** 3\
**Last updated:** [June 23, 2020, 1:17pm UTC](https://discourse.paraview.org/t/paraview-windows-build-errors/4650 "2020-06-23T13:17:38Z")

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Hi, I’ve been trying to build Paraview by following the guides here and here, however, I have run into some issues when attempting both ways. I’ve followed the Windows dependencies, having installed the appropriate versi…

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## [Plotting Segments from CSV file](https://discourse.paraview.org/t/plotting-segments-from-csv-file/4644)

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**Author:** [@nico\_C](https://discourse.paraview.org/u/nico_C)\
**Replies:** 2\
**Last updated:** [June 23, 2020, 12:35pm UTC](https://discourse.paraview.org/t/plotting-segments-from-csv-file/4644 "2020-06-23T12:35:14Z")

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Hi all, I would like to plot individual segments, using a CSV file formatted as: X1 Y1 Z1 X2 Y2 Z2 Intensity I managed to import the CSV file, then convert it using TableToPoints. Then, thanks to Python Calculator (ht…

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## [how to remove dangling points from mesh](https://discourse.paraview.org/t/how-to-remove-dangling-points-from-mesh/4613)

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**Author:** [@Rob777](https://discourse.paraview.org/u/Rob777)\
**Replies:** 6\
**Last updated:** [June 23, 2020, 12:16pm UTC](https://discourse.paraview.org/t/how-to-remove-dangling-points-from-mesh/4613 "2020-06-23T12:16:22Z")

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Hi Everyone, I generated a mesh composed of triangles with gmsh, but as seen in the image below, there are some dangling points. Is there a filter to remove them ? I guess I can identify them as points which have no …

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## [Save multiblock data to CSV](https://discourse.paraview.org/t/save-multiblock-data-to-csv/4634)

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**Author:** [@Andrey](https://discourse.paraview.org/u/Andrey)\
**Replies:** 4\
**Last updated:** [June 23, 2020, 8:53am UTC](https://discourse.paraview.org/t/save-multiblock-data-to-csv/4634 "2020-06-23T08:53:41Z")

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Hello! My question is about saving data to a csv file. I’m trying to save the slice of multiblock cgns. Earlier (before version 5.7) I was getting a set of csv files separately for each block. Now (version 5.8) I get o…

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## [Color legend location changes in the exported PDF or EPS file](https://discourse.paraview.org/t/color-legend-location-changes-in-the-exported-pdf-or-eps-file/994)

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**Author:** [@ashahba](https://discourse.paraview.org/u/ashahba)\
**Replies:** 11\
**Last updated:** [June 22, 2020, 1:34pm UTC](https://discourse.paraview.org/t/color-legend-location-changes-in-the-exported-pdf-or-eps-file/994 "2020-06-22T13:34:29Z")

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I am using the Paraview 5.6.0 64-bit. I can successfully load my vtk file and visualize the data. This is what I see in the layout window I saved this visualization by going to File and then Export Scene. I noticed th…

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## [2D contour from .csv](https://discourse.paraview.org/t/2d-contour-from-csv/2913)

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**Author:** [@louisekh91](https://discourse.paraview.org/u/louisekh91)\
**Replies:** 5\
**Last updated:** [June 22, 2020, 7:54am UTC](https://discourse.paraview.org/t/2d-contour-from-csv/2913 "2020-06-22T07:54:38Z")

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Hello, I am very new to the use of ParaView and have run into a problem. I am trying to do a simple rendering of a 2D plot (xy) with the z-values indicated by contours. I have the data in three columns (x, y and z) in a…

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## [Extracting a selection based on conditions](https://discourse.paraview.org/t/extracting-a-selection-based-on-conditions/2344)

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**Author:** [@AlD](https://discourse.paraview.org/u/AlD)\
**Replies:** 9\
**Last updated:** [June 22, 2020, 3:06am UTC](https://discourse.paraview.org/t/extracting-a-selection-based-on-conditions/2344 "2020-06-22T03:06:35Z")

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Hello I’d like to know how to select and extract a set of points based on a condition (ie y \> 5 && y \< 9) for instance. I’d like to know how to do this both manually and how to add it to my python script. The data is in…

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## [Can I plot 3d surface (3d list plot) in paraview. (data has the form of array)](https://discourse.paraview.org/t/can-i-plot-3d-surface-3d-list-plot-in-paraview-data-has-the-form-of-array/4629)

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**Author:** [@MAJED](https://discourse.paraview.org/u/MAJED)\
**Replies:** 2\
**Last updated:** [June 21, 2020, 10:15am UTC](https://discourse.paraview.org/t/can-i-plot-3d-surface-3d-list-plot-in-paraview-data-has-the-form-of-array/4629 "2020-06-21T10:15:08Z")

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Hi Can I plot 3d surface (3d list plot) in paraview. The data entry has the form (I attached it) 10 20 30 40 50 60 70 80 1.3 3.2 4.5 5 3.2 2.2 2 1.5 … … … … … …

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## [Python Path Changing after configure](https://discourse.paraview.org/t/python-path-changing-after-configure/4625)

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**Author:** [@Mahdi\_Kooshkbaghi](https://discourse.paraview.org/u/Mahdi_Kooshkbaghi)\
**Replies:** 4\
**Last updated:** [June 20, 2020, 5:39pm UTC](https://discourse.paraview.org/t/python-path-changing-after-configure/4625 "2020-06-20T17:39:32Z")

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Hi all, I am trying to compile the paraview 5.8.0. mkdir build cd build ccmake ../ All good till now. Set the flag: PARAVIEW\_USE\_PYTHON \*ON \[c\] configure All passed. However cmake found Python3\_LIBRA…

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## [How to execute a python script every step of an animation?](https://discourse.paraview.org/t/how-to-execute-a-python-script-every-step-of-an-animation/4621)

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**Author:** [@leopessanha](https://discourse.paraview.org/u/leopessanha)\
**Replies:** 5\
**Last updated:** [June 19, 2020, 2:10pm UTC](https://discourse.paraview.org/t/how-to-execute-a-python-script-every-step-of-an-animation/4621 "2020-06-19T14:10:18Z")

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Hi, I need to execute some python code (using the TimeKeeper.Time) every timestep of the animation After some research I have tried(unsucessfully): rv = GetActiveView() rv.GetInteractor().AddObserver(vtkCommand.Animat…

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## [paraview for postprocessing data from Openfoam to calculate torque](https://discourse.paraview.org/t/paraview-for-postprocessing-data-from-openfoam-to-calculate-torque/4623)

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**Author:** [@saroj\_b](https://discourse.paraview.org/u/saroj_b)\
**Replies:** 0\
**Last updated:** [June 19, 2020, 11:15am UTC](https://discourse.paraview.org/t/paraview-for-postprocessing-data-from-openfoam-to-calculate-torque/4623 "2020-06-19T11:15:24Z")

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hello everyone, i am just new here using Openfoam and Paraview. i use putty client on my window for using openfoam and paraview 4.1.0. i want a suggestion regarding post processing my openfoam data through paraview. i ca…

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## [How to save simulation video or pictures directly from paraview](https://discourse.paraview.org/t/how-to-save-simulation-video-or-pictures-directly-from-paraview/4622)

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**Author:** [@laylafoura](https://discourse.paraview.org/u/laylafoura)\
**Replies:** 2\
**Last updated:** [June 19, 2020, 11:08am UTC](https://discourse.paraview.org/t/how-to-save-simulation-video-or-pictures-directly-from-paraview/4622 "2020-06-19T11:08:17Z")

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Hello, please how can I save a video simulation or pictures from paraview DIRECTLY ? thanks.

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## [Adding FieldData to TimeSeries](https://discourse.paraview.org/t/adding-fielddata-to-timeseries/4616)

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**Author:** [@leopessanha](https://discourse.paraview.org/u/leopessanha)\
**Replies:** 3\
**Last updated:** [June 19, 2020, 9:52am UTC](https://discourse.paraview.org/t/adding-fielddata-to-timeseries/4616 "2020-06-19T09:52:58Z")

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Hi, ParaView community! I have a time series with 50 timesteps and a CSV with 50 rows. I’d like to add each row information to the FieldData of each timestep. Is that possible? If so, where to start? Best regards,

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## [Wrong aspect ratio with onscreen pvpython](https://discourse.paraview.org/t/wrong-aspect-ratio-with-onscreen-pvpython/4620)

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**Author:** [@idcbris](https://discourse.paraview.org/u/idcbris)\
**Replies:** 4\
**Last updated:** [June 19, 2020, 9:31am UTC](https://discourse.paraview.org/t/wrong-aspect-ratio-with-onscreen-pvpython/4620 "2020-06-19T09:31:59Z")

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Hello, I use paraview.simple and pvpython to generate bunch of pictures using a preset stored in a pvsm file. However I realised that the resolution of the pictures was not what I choose even after using renderView1.V…

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## [Multi Component Mapping doesn't work with Reflect Filter](https://discourse.paraview.org/t/multi-component-mapping-doesnt-work-with-reflect-filter/4615)

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**Author:** [@Golho](https://discourse.paraview.org/u/Golho)\
**Replies:** 4\
**Last updated:** [June 19, 2020, 2:22am UTC](https://discourse.paraview.org/t/multi-component-mapping-doesnt-work-with-reflect-filter/4615 "2020-06-19T02:22:25Z")

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Hi again, ParaView community! I’m loving the Multi Component Mapping feature in ParaView, which lets me have a 2 component scalar field be visualized by mapping the first component to the color of the visualization, and…

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## [Read X3D data](https://discourse.paraview.org/t/read-x3d-data/4619)

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**Author:** [@woodscn](https://discourse.paraview.org/u/woodscn)\
**Replies:** 1\
**Last updated:** [June 18, 2020, 6:18pm UTC](https://discourse.paraview.org/t/read-x3d-data/4619 "2020-06-18T18:18:20Z")

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Does Paraview have support to read .x3d files? They show up in the file system when filtering by supported file types, but I can’t find a reader to actually process them. (Windows) Sphere.x3d (15.1 KB)

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## [Display issue with opening files with multiple displays](https://discourse.paraview.org/t/display-issue-with-opening-files-with-multiple-displays/4614)

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**Author:** [@Richard](https://discourse.paraview.org/u/Richard)\
**Replies:** 1\
**Last updated:** [June 18, 2020, 10:12am UTC](https://discourse.paraview.org/t/display-issue-with-opening-files-with-multiple-displays/4614 "2020-06-18T10:12:59Z")

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I am consistently getting the following display issue when opening files with multiple displays (laptop + additional monitor). As soon as the laptop cover is closed (so just back to one single display it works fine) Is …

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## [Numpy-style programmable filter breaks on multiblock data](https://discourse.paraview.org/t/numpy-style-programmable-filter-breaks-on-multiblock-data/4612)

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**Author:** [@woodscn](https://discourse.paraview.org/u/woodscn)\
**Replies:** 0\
**Last updated:** [June 17, 2020, 9:46pm UTC](https://discourse.paraview.org/t/numpy-style-programmable-filter-breaks-on-multiblock-data/4612 "2020-06-17T21:46:48Z")

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I’ve attached a stand-alone state file showing surprising behavior when trying a programmable filter on multiblock data. Is there some reason why what I’m trying to do here shouldn’t work? Thanks, Nathan BreakingNumpy…

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## [Create Multiblock Dataset](https://discourse.paraview.org/t/create-multiblock-dataset/4611)

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**Author:** [@woodscn](https://discourse.paraview.org/u/woodscn)\
**Replies:** 2\
**Last updated:** [June 17, 2020, 9:16pm UTC](https://discourse.paraview.org/t/create-multiblock-dataset/4611 "2020-06-17T21:16:30Z")

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I’d like to create a simple multiblock dataset from within paraview, for the purposes of debugging. Is there a simple way to make one from the available Sources and Filters? Thanks, Nathan Woods

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## [Get number of connected components using Connectivity filter](https://discourse.paraview.org/t/get-number-of-connected-components-using-connectivity-filter/4609)

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**Author:** [@R.B](https://discourse.paraview.org/u/R.B)\
**Replies:** 0\
**Last updated:** [June 17, 2020, 8:10pm UTC](https://discourse.paraview.org/t/get-number-of-connected-components-using-connectivity-filter/4609 "2020-06-17T20:10:37Z")

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Hi I’m using the Connectivity filter to get the connected components in a mesh. Is there a way to get the number of connected components using python? This is the code I have so far: from paraview.simple import \* hea…

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## [LateX typeset colorbar annotations](https://discourse.paraview.org/t/latex-typeset-colorbar-annotations/4608)

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**Author:** [@dutta-alankar](https://discourse.paraview.org/u/dutta-alankar)\
**Replies:** 2\
**Last updated:** [June 17, 2020, 7:12pm UTC](https://discourse.paraview.org/t/latex-typeset-colorbar-annotations/4608 "2020-06-17T19:12:56Z")

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Using format strings like %e or %g I can have “scientific notation” What is the simplest way to format the number in LaTeX format, i.e. 1\\times10^{9} (1\\times10^{9} instead of 1.0e+09) automatically in places where numb…

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## [Create test dataset for Ensight .case files](https://discourse.paraview.org/t/create-test-dataset-for-ensight-case-files/4600)

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**Author:** [@woodscn](https://discourse.paraview.org/u/woodscn)\
**Replies:** 4\
**Last updated:** [June 17, 2020, 5:12pm UTC](https://discourse.paraview.org/t/create-test-dataset-for-ensight-case-files/4600 "2020-06-17T17:12:11Z")

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I am attempting to create a sample Ensight .case file to use as a minimal example for another issue I’m having. I create an object using a source (e.g. Wavelet, or Sphere), then run D3 to break it up, then Save Data as E…

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## [Connectivity Filter - regions spanning merged mesh blocks split to multiple RegionIDs](https://discourse.paraview.org/t/connectivity-filter-regions-spanning-merged-mesh-blocks-split-to-multiple-regionids/4599)

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**Author:** [@carl](https://discourse.paraview.org/u/carl)\
**Replies:** 1\
**Last updated:** [June 17, 2020, 3:25pm UTC](https://discourse.paraview.org/t/connectivity-filter-regions-spanning-merged-mesh-blocks-split-to-multiple-regionids/4599 "2020-06-17T15:25:02Z")

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Hi I have a domain with 2 mesh blocks. I want to threashold based on a temperature range and then apply the Connectivity filter to obtain discrete regions, each region having a discrete ID. Once the mesh is imported,…

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## [How to Rotate/ Transform only one field in a table of points, not the co-ordinates as well?](https://discourse.paraview.org/t/how-to-rotate-transform-only-one-field-in-a-table-of-points-not-the-co-ordinates-as-well/4605)

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**Author:** [@JamesS](https://discourse.paraview.org/u/JamesS)\
**Replies:** 1\
**Last updated:** [June 17, 2020, 1:55pm UTC](https://discourse.paraview.org/t/how-to-rotate-transform-only-one-field-in-a-table-of-points-not-the-co-ordinates-as-well/4605 "2020-06-17T13:55:23Z")

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Hello, I have a table of points, for example containing the following columns, x, y, z, density. I want to rotate and translate the density field but keep the co-ordinates (lattice), (x,y,z) the same. I’ve tried using t…

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## [Build ParaView with Ospray](https://discourse.paraview.org/t/build-paraview-with-ospray/4595)

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**Author:** [@pcaron](https://discourse.paraview.org/u/pcaron)\
**Replies:** 4\
**Last updated:** [June 17, 2020, 12:00pm UTC](https://discourse.paraview.org/t/build-paraview-with-ospray/4595 "2020-06-17T12:00:46Z")

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Hi, I’m trying to use Ospray rendering with ParaView and I have a problem with the available version of Ospray and the required version by ParaView. I managed to build ospray and their libraries in Linux (Kubuntu 20.04…

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## [Write/save nodes of surface composed of lines with a clockwise/counter-clockwise order](https://discourse.paraview.org/t/write-save-nodes-of-surface-composed-of-lines-with-a-clockwise-counter-clockwise-order/4588)

<div class="topic-metadata">

**Author:** [@Rob777](https://discourse.paraview.org/u/Rob777)\
**Replies:** 2\
**Last updated:** [June 17, 2020, 9:17am UTC](https://discourse.paraview.org/t/write-save-nodes-of-surface-composed-of-lines-with-a-clockwise-counter-clockwise-order/4588 "2020-06-17T09:17:51Z")

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Hello to Everyone, I have a 3D multiblock data-set composed mainly of an outer boundary and of an inner boundary (an airfoil). This dataset is simply the extrusion of a 2D dataset. I need the coordinates of the airfoil,…

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