# ParaView Support

**URL:** https://discourse.paraview.org/c/paraview-support/7.md?page=103

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

**Page:** 104

---

## [Export Surface LIC view](https://discourse.paraview.org/t/export-surface-lic-view/9982)

<div class="topic-metadata">

**Author:** [@s195t](https://discourse.paraview.org/u/s195t)\
**Replies:** 1\
**Last updated:** [July 7, 2022, 2:02pm UTC](https://discourse.paraview.org/t/export-surface-lic-view/9982 "2022-07-07T14:02:13Z")

</div>

Dear everyone, I am trying to export a 2d slice of a field as an .x3d file. It works wonderfully for basically every variable that I need with the Surface LIC as only exception. As far as I understood there is no way to…

---

## [Paraview crashes when opening every state file (even empty ones)](https://discourse.paraview.org/t/paraview-crashes-when-opening-every-state-file-even-empty-ones/610)

<div class="topic-metadata">

**Author:** [@ovd](https://discourse.paraview.org/u/ovd)\
**Replies:** 2\
**Last updated:** [July 7, 2022, 9:57am UTC](https://discourse.paraview.org/t/paraview-crashes-when-opening-every-state-file-even-empty-ones/610 "2022-07-07T09:57:29Z")

</div>

Hello, I am having problem with Paraview. It always crashes when opening state files. Even when I save an empty state file with no data and load it next, bam! paraview is gone. I tried this in at least 6 different paravi…

---

## [Cannot set slice origin in python](https://discourse.paraview.org/t/cannot-set-slice-origin-in-python/9980)

<div class="topic-metadata">

**Author:** [@Xabier\_Morales\_Ferez](https://discourse.paraview.org/u/Xabier_Morales_Ferez)\
**Replies:** 0\
**Last updated:** [July 6, 2022, 3:37pm UTC](https://discourse.paraview.org/t/cannot-set-slice-origin-in-python/9980 "2022-07-06T15:37:52Z")

</div>

Hi, I’m trying to export some slices through python and I’m trying to set the origin and normal by hand through slice.SliceType.Normal and slice.SliceType.Origin. But when I try to save the slices seems that the Origin …

---

## [cant open exodus2 file](https://discourse.paraview.org/t/cant-open-exodus2-file/9877)

<div class="topic-metadata">

**Author:** [@jaeg1710](https://discourse.paraview.org/u/jaeg1710)\
**Replies:** 8\
**Last updated:** [July 6, 2022, 2:03pm UTC](https://discourse.paraview.org/t/cant-open-exodus2-file/9877 "2022-07-06T14:03:52Z")

</div>

Hello, if i try to open an .ex2 file i get the following Error Message: ERROR: In C:\\glr\\builds\\paraview\\paraview-ci\\build\\superbuild\\paraview\\src\\VTK\\IO\\IOSS\\vtkIOSSReader.cxx, line 852 vtkIOSSReader (000001A5798B8ED0…

---

## [pvserver v5.10.1 fails when client connects](https://discourse.paraview.org/t/pvserver-v5-10-1-fails-when-client-connects/9978)

<div class="topic-metadata">

**Author:** [@nopech](https://discourse.paraview.org/u/nopech)\
**Replies:** 6\
**Last updated:** [July 6, 2022, 1:18pm UTC](https://discourse.paraview.org/t/pvserver-v5-10-1-fails-when-client-connects/9978 "2022-07-06T13:18:05Z")

</div>

Hello everyone I compiled ParaView v5.10.1 myself with osmesa and system OpenMPI on AlmaLinux 8.5. pvbatch does work and pvserver waits for clients. However, when a client connects, the client crashes and closes itself…

---

## [Export VTKJS with Axes](https://discourse.paraview.org/t/export-vtkjs-with-axes/9977)

<div class="topic-metadata">

**Author:** [@Dani](https://discourse.paraview.org/u/Dani)\
**Replies:** 1\
**Last updated:** [July 6, 2022, 10:02am UTC](https://discourse.paraview.org/t/export-vtkjs-with-axes/9977 "2022-07-06T10:02:12Z")

</div>

Now that VTKJS has CubeAxesActor support it would be great if the VTKJS export out of ParaView would support this. Will this be added?

---

## [Obtaining force distribution from OpenFOAM results](https://discourse.paraview.org/t/obtaining-force-distribution-from-openfoam-results/9951)

<div class="topic-metadata">

**Author:** [@FEngineer](https://discourse.paraview.org/u/FEngineer)\
**Replies:** 4\
**Last updated:** [July 6, 2022, 8:56am UTC](https://discourse.paraview.org/t/obtaining-force-distribution-from-openfoam-results/9951 "2022-07-06T08:56:00Z")

</div>

Hi, I’m looking for a way to obtain the force (normal and tangential components) distribution on the surface of an object around which the flow occurs. I haven’t found a way to get such output from OpenFOAM (it seems th…

---

## [How to Control Number of Ticks in Color Legend?](https://discourse.paraview.org/t/how-to-control-number-of-ticks-in-color-legend/780)

<div class="topic-metadata">

**Author:** [@jkulesza](https://discourse.paraview.org/u/jkulesza)\
**Replies:** 8\
**Last updated:** [July 5, 2022, 10:11pm UTC](https://discourse.paraview.org/t/how-to-control-number-of-ticks-in-color-legend/780 "2022-07-05T22:11:46Z")

</div>

Question: How can I control the number of ticks in the color legend? I would like to set my color legend limits to a custom range between 0.0 and 0.1 (inclusive) with 3 internal ticks to indicate quartile ranges; howeve…

---

## [FindData missing single point queries (is min/max/mean)](https://discourse.paraview.org/t/finddata-missing-single-point-queries-is-min-max-mean/9968)

<div class="topic-metadata">

**Author:** [@s195t](https://discourse.paraview.org/u/s195t)\
**Replies:** 2\
**Last updated:** [July 4, 2022, 11:43am UTC](https://discourse.paraview.org/t/finddata-missing-single-point-queries-is-min-max-mean/9968 "2022-07-04T11:43:45Z")

</div>

Hi everyone, I stumbled across a problem using the FindData function, whenever I try to isolate a group of points on a Clip, it can correctly search for various criteria like “in range/ \<= mean / …” but when I try the q…

---

## [Combine stress data from same mesh](https://discourse.paraview.org/t/combine-stress-data-from-same-mesh/9966)

<div class="topic-metadata">

**Author:** [@Prierap](https://discourse.paraview.org/u/Prierap)\
**Replies:** 10\
**Last updated:** [July 3, 2022, 1:12am UTC](https://discourse.paraview.org/t/combine-stress-data-from-same-mesh/9966 "2022-07-03T01:12:31Z")

</div>

Hi there, I am quite new to Paraview, so go easy on me! :smile: I have two d3plot files from LS-DYNA corresponding to the same mesh but with different material parameters. What I want to do is combine the stresses of b…

---

## [Time dependent slicing](https://discourse.paraview.org/t/time-dependent-slicing/9937)

<div class="topic-metadata">

**Author:** [@yosukefk](https://discourse.paraview.org/u/yosukefk)\
**Replies:** 3\
**Last updated:** [July 2, 2022, 10:33pm UTC](https://discourse.paraview.org/t/time-dependent-slicing/9937 "2022-07-02T22:33:24Z")

</div>

I have gridded concentration of emitted gas from a stack as a function of time. Currently I am showing isosurface and slice to look at the distrubution of mass. I want to have a slice, which cuts through along the cent…

---

## [Trouble exporting Scene to .vtkjs](https://discourse.paraview.org/t/trouble-exporting-scene-to-vtkjs/9829)

<div class="topic-metadata">

**Author:** [@dasmy](https://discourse.paraview.org/u/dasmy)\
**Replies:** 10\
**Last updated:** [July 1, 2022, 10:38pm UTC](https://discourse.paraview.org/t/trouble-exporting-scene-to-vtkjs/9829 "2022-07-01T22:38:18Z")

</div>

Dear All, Using the xml plugin from Point labels available with PV 5.7? - #7 by jourdain, we were able to add text labels to a point cloud in ParaView (Nightly on Mac). Now, we would like to export the scene to a .vtkj…

---

## [Error when opening ParaView via Remote Desktop Connection](https://discourse.paraview.org/t/error-when-opening-paraview-via-remote-desktop-connection/9961)

<div class="topic-metadata">

**Author:** [@nathanharrison](https://discourse.paraview.org/u/nathanharrison)\
**Replies:** 2\
**Last updated:** [July 1, 2022, 6:27pm UTC](https://discourse.paraview.org/t/error-when-opening-paraview-via-remote-desktop-connection/9961 "2022-07-01T18:27:49Z")

</div>

Like many, I am working from home a fair bit. For me this means connecting to my desktop work computer via Remote Desktop Connection on my home computer. Paraview doesn’t seem to like that. Running ParaView directly on …

---

## [from 3d model to 2d slice](https://discourse.paraview.org/t/from-3d-model-to-2d-slice/9950)

<div class="topic-metadata">

**Author:** [@eleonora115](https://discourse.paraview.org/u/eleonora115)\
**Replies:** 2\
**Last updated:** [July 1, 2022, 5:23pm UTC](https://discourse.paraview.org/t/from-3d-model-to-2d-slice/9950 "2022-07-01T17:23:25Z")

</div>

Dear all, I have a 3d model plotted with paraview. I have extracted from it a 2d slice and now I would like to save data from this slice projected in a 2d system (x,y and vx,vy). However I couldn’t find a way to do it u…

---

## [Data types in the XML files](https://discourse.paraview.org/t/data-types-in-the-xml-files/9958)

<div class="topic-metadata">

**Author:** [@PetrKryslUCSD](https://discourse.paraview.org/u/PetrKryslUCSD)\
**Replies:** 1\
**Last updated:** [July 1, 2022, 2:10pm UTC](https://discourse.paraview.org/t/data-types-in-the-xml-files/9958 "2022-07-01T14:10:04Z")

</div>

The documentation states So it would appear that only Int32 are supported for the cells. Is this true? If so, that would be bad news for me. I want to visualize a mesh of 840M tetrahedra, and I would obviously run…

---

## [Compute shared surface area using cell data in unstructured grid](https://discourse.paraview.org/t/compute-shared-surface-area-using-cell-data-in-unstructured-grid/9944)

<div class="topic-metadata">

**Author:** [@Krzysztof\_Stopka](https://discourse.paraview.org/u/Krzysztof_Stopka)\
**Replies:** 3\
**Last updated:** [July 1, 2022, 7:23am UTC](https://discourse.paraview.org/t/compute-shared-surface-area-using-cell-data-in-unstructured-grid/9944 "2022-07-01T07:23:47Z")

</div>

Hello, I am working with polycrystalline microstructure models that were initially created using DREAM.3D in a voxelated format. Each model is converted to a triangular geometry (i.e., unstructured grid) with smoothened…

---

## [vtkXMLPolyDataReader get data per each Piece](https://discourse.paraview.org/t/vtkxmlpolydatareader-get-data-per-each-piece/9943)

<div class="topic-metadata">

**Author:** [@CapLek](https://discourse.paraview.org/u/CapLek)\
**Replies:** 6\
**Last updated:** [June 30, 2022, 1:48pm UTC](https://discourse.paraview.org/t/vtkxmlpolydatareader-get-data-per-each-piece/9943 "2022-06-30T13:48:54Z")

</div>

I have a VTP file with some number of Pieces in it, representing separate geometry regions. What I want to do is to assign a separate actor for each Piece to be able to differentiate them using picker in Paraview Shell s…

---

## [Is there a logarithmic color map for 3D .vtu models in Glance?](https://discourse.paraview.org/t/is-there-a-logarithmic-color-map-for-3d-vtu-models-in-glance/9925)

<div class="topic-metadata">

**Author:** [@pezzutti](https://discourse.paraview.org/u/pezzutti)\
**Replies:** 2\
**Last updated:** [June 29, 2022, 8:54pm UTC](https://discourse.paraview.org/t/is-there-a-logarithmic-color-map-for-3d-vtu-models-in-glance/9925 "2022-06-29T20:54:10Z")

</div>

Hi! I have a vtu model in which 96% of the values are close to 0, but there are a few points with values in the thousands, so the model looks mostly monotone with a few hot spots here and there. I need this lower value …

---

## [Timesteps in ProgrammableFilter](https://discourse.paraview.org/t/timesteps-in-programmablefilter/9931)

<div class="topic-metadata">

**Author:** [@Andrei](https://discourse.paraview.org/u/Andrei)\
**Replies:** 2\
**Last updated:** [June 30, 2022, 10:09am UTC](https://discourse.paraview.org/t/timesteps-in-programmablefilter/9931 "2022-06-30T10:09:36Z")

</div>

How to access different timesteps in ProgrammableFilter?

---

## [How to calculate Wall Shear Stress](https://discourse.paraview.org/t/how-to-calculate-wall-shear-stress/9940)

<div class="topic-metadata">

**Author:** [@OM\_ZAVARE](https://discourse.paraview.org/u/OM_ZAVARE)\
**Replies:** 0\
**Last updated:** [June 29, 2022, 2:13pm UTC](https://discourse.paraview.org/t/how-to-calculate-wall-shear-stress/9940 "2022-06-29T14:13:43Z")

</div>

I have downloaded result for simulation of a Stirred Tank Reactor with Multiphase Flow simulated on Simscale. Link for the project - SimScale For calculating Reynolds Number i need to first calculate Wall Shear Stress …

---

## [How to unselect cells?](https://discourse.paraview.org/t/how-to-unselect-cells/9929)

<div class="topic-metadata">

**Author:** [@BHH](https://discourse.paraview.org/u/BHH)\
**Replies:** 7\
**Last updated:** [June 29, 2022, 11:55am UTC](https://discourse.paraview.org/t/how-to-unselect-cells/9929 "2022-06-29T11:55:00Z")

</div>

I am selecting cells based on Find Data, but I want to unselect some cells manually. Can it be done? Also can I combine selecting manually with Find Data?

---

## [openVDB missing from Export options in Paraview 5.10.1](https://discourse.paraview.org/t/openvdb-missing-from-export-options-in-paraview-5-10-1/9887)

<div class="topic-metadata">

**Author:** [@synthetic\_penguin](https://discourse.paraview.org/u/synthetic_penguin)\
**Replies:** 15\
**Last updated:** [June 29, 2022, 9:38am UTC](https://discourse.paraview.org/t/openvdb-missing-from-export-options-in-paraview-5-10-1/9887 "2022-06-29T09:38:43Z")

</div>

I downloaded Paraview 5.10.1 for MacOS. In the release notes, it says that it has a new OpenVDB writer. https://www.kitware.com/paraview-5-10-0-release-notes/#readers-writers-and-filters-changes I have VTK volume file…

---

## [streamlines from custom source, via programmable filter](https://discourse.paraview.org/t/streamlines-from-custom-source-via-programmable-filter/9920)

<div class="topic-metadata">

**Author:** [@\_Marco](https://discourse.paraview.org/u/_Marco)\
**Replies:** 1\
**Last updated:** [June 29, 2022, 7:10am UTC](https://discourse.paraview.org/t/streamlines-from-custom-source-via-programmable-filter/9920 "2022-06-29T07:10:20Z")

</div>

Dear all, I am using PV 5.10.1, on Linux. I am trying to draw streamlines, from a non standard source, for wind field. I would appreciate some help or suggestions, as I am failing to persuade PV to actually draw the li…

---

## [Autoload Plugin from python script](https://discourse.paraview.org/t/autoload-plugin-from-python-script/9910)

<div class="topic-metadata">

**Author:** [@s195t](https://discourse.paraview.org/u/s195t)\
**Replies:** 5\
**Last updated:** [June 29, 2022, 6:19am UTC](https://discourse.paraview.org/t/autoload-plugin-from-python-script/9910 "2022-06-29T06:19:33Z")

</div>

Dear everyone, I am trying to load the SurfaceLIC plugin from a python script so that when I start paraview with that script the plugin is already loaded and ready to use. Opening paraview a first time, ticking “autoloa…

---

## [Unable to use paraview apt package](https://discourse.paraview.org/t/unable-to-use-paraview-apt-package/9812)

<div class="topic-metadata">

**Author:** [@lindad](https://discourse.paraview.org/u/lindad)\
**Replies:** 9\
**Last updated:** [June 28, 2022, 5:15pm UTC](https://discourse.paraview.org/t/unable-to-use-paraview-apt-package/9812 "2022-06-28T17:15:49Z")

</div>

When I run the paraview binary supplied via sudo apt install paraview, I get the following backtrace: lindad@pop-os:~$ ( 1.160s) \[paraview \]vtkXOpenGLRenderWindow.:651 ERR| vtkXOpenGLRenderWindow (0x55f906e1…

---

## [Plot a single vector on top of a 3d mesh](https://discourse.paraview.org/t/plot-a-single-vector-on-top-of-a-3d-mesh/9915)

<div class="topic-metadata">

**Author:** [@Lorenzo11](https://discourse.paraview.org/u/Lorenzo11)\
**Replies:** 5\
**Last updated:** [June 27, 2022, 3:34pm UTC](https://discourse.paraview.org/t/plot-a-single-vector-on-top-of-a-3d-mesh/9915 "2022-06-27T15:34:50Z")

</div>

Hello everybody, I need to plot a vector knowing the application point and the 3 components of the vector, what can I do? Thanks in advance

---

## [Plot a vector on a mesh](https://discourse.paraview.org/t/plot-a-vector-on-a-mesh/9923)

<div class="topic-metadata">

**Author:** [@Lorenzo11](https://discourse.paraview.org/u/Lorenzo11)\
**Replies:** 1\
**Last updated:** [June 27, 2022, 3:33pm UTC](https://discourse.paraview.org/t/plot-a-vector-on-a-mesh/9923 "2022-06-27T15:33:16Z")

</div>

I have to draw a vector centered in a point. I know both the coordinates of the point and the coordinates of the vector. how can I do? Specifically I have to plot an image where I can see both a 3d mesh and this vector. …

---

## [Combining multiblock data with different field names](https://discourse.paraview.org/t/combining-multiblock-data-with-different-field-names/9788)

<div class="topic-metadata">

**Author:** [@woodscn](https://discourse.paraview.org/u/woodscn)\
**Replies:** 3\
**Last updated:** [June 21, 2022, 10:30pm UTC](https://discourse.paraview.org/t/combining-multiblock-data-with-different-field-names/9788 "2022-06-21T22:30:30Z")

</div>

I’m working with a multiblock dataset. Block 0 has fields “vel\_x” and “vel\_y”, while block 2 has fields “vel\_x\_p” and “vel\_y\_p”. Block 1 does not have these fields. I’d like to write a programmable filter that assembles …

---

## [Non linear extrusion?](https://discourse.paraview.org/t/non-linear-extrusion/9876)

<div class="topic-metadata">

**Author:** [@Iban\_H](https://discourse.paraview.org/u/Iban_H)\
**Replies:** 3\
**Last updated:** [June 27, 2022, 1:47pm UTC](https://discourse.paraview.org/t/non-linear-extrusion/9876 "2022-06-27T13:47:58Z")

</div>

Hi, I have a bathymetric CSV dataset that I managed to transform into a nice surface thanks to community answers here No difference between surface and points representations But I now have another problem. I want to h…

---

## [pvpython opening multiple visualizations in same window](https://discourse.paraview.org/t/pvpython-opening-multiple-visualizations-in-same-window/9914)

<div class="topic-metadata">

**Author:** [@s195t](https://discourse.paraview.org/u/s195t)\
**Replies:** 3\
**Last updated:** [June 27, 2022, 9:47am UTC](https://discourse.paraview.org/t/pvpython-opening-multiple-visualizations-in-same-window/9914 "2022-06-27T09:47:32Z")

</div>

Dear all, I am now using a script on windows that opens automatically some CFD results, however, for every case I need to launch a new instance of paraview and open them in a new window. Is there a way in python to che…

[Previous page](https://discourse.paraview.org/c/paraview-support/7.md?page=102)

[Next page](https://discourse.paraview.org/c/paraview-support/7.md?page=104)