# ParaView Support

**URL:** https://discourse.paraview.org/c/paraview-support/7.md?page=57

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

**Page:** 58

---

## [How to operate to make the flow field smoother?](https://discourse.paraview.org/t/how-to-operate-to-make-the-flow-field-smoother/13591)

<div class="topic-metadata">

**Author:** [@Guanlong](https://discourse.paraview.org/u/Guanlong)\
**Replies:** 2\
**Last updated:** [December 25, 2023, 6:39am UTC](https://discourse.paraview.org/t/how-to-operate-to-make-the-flow-field-smoother/13591 "2023-12-25T06:39:08Z")

</div>

Hello researcher, I have a question. Why do the same operations display different cloud maps. As shown in the figure below, the first image appears relatively smooth and smooth, while the second image appears to have a g…

---

## [Contour Plot in openFoam](https://discourse.paraview.org/t/contour-plot-in-openfoam/13587)

<div class="topic-metadata">

**Author:** [@Sonia](https://discourse.paraview.org/u/Sonia)\
**Replies:** 1\
**Last updated:** [December 22, 2023, 8:16am UTC](https://discourse.paraview.org/t/contour-plot-in-openfoam/13587 "2023-12-22T08:16:25Z")

</div>

Sonia0.1000.csv (127.8 KB) Scour Image.pdf (317.1 KB) I have a image of contour in paraview i WANT TO plot this in python how to extract the data.? at the same tyme these csv file i have some data after running …

---

## [vtkUnstructuredGrid Cell Blanking/Hiding](https://discourse.paraview.org/t/vtkunstructuredgrid-cell-blanking-hiding/4933)

<div class="topic-metadata">

**Author:** [@ajp](https://discourse.paraview.org/u/ajp)\
**Replies:** 6\
**Last updated:** [December 22, 2023, 4:27am UTC](https://discourse.paraview.org/t/vtkunstructuredgrid-cell-blanking-hiding/4933 "2023-12-22T04:27:45Z")

</div>

Is it possible to omit cells from visualisation within an ugrid, by using: ghostCells-\>SetValue(cellId, ghostCells-\>GetValue(cellId) | vtkDataSetAttributes::HIDDENCELL); When I output a simple pure triangular mesh, whe…

---

## [Default reader not honored when loading exodus file](https://discourse.paraview.org/t/default-reader-not-honored-when-loading-exodus-file/13387)

<div class="topic-metadata">

**Author:** [@gambka](https://discourse.paraview.org/u/gambka)\
**Replies:** 17\
**Last updated:** [December 21, 2023, 9:09pm UTC](https://discourse.paraview.org/t/default-reader-not-honored-when-loading-exodus-file/13387 "2023-12-21T21:09:20Z")

</div>

OS: MacOS Sonoma (for what it is worth I was seeing this same behavior on Ventura as well) ParaView version: 5.11.2 Obtained ParaView: From the downloads page on the ParaView website. Do you see the problem on latest …

---

## [Link to python error when compiling ParaView with -DPARAVIEW\_BUILD\_TESTING=ON](https://discourse.paraview.org/t/link-to-python-error-when-compiling-paraview-with-dparaview-build-testing-on/13524)

<div class="topic-metadata">

**Author:** [@guillaume\_Peillex](https://discourse.paraview.org/u/guillaume_Peillex)\
**Replies:** 6\
**Last updated:** [December 20, 2023, 2:02pm UTC](https://discourse.paraview.org/t/link-to-python-error-when-compiling-paraview-with-dparaview-build-testing-on/13524 "2023-12-20T14:02:07Z")

</div>

Hi all, I’m facing a link problem when i try to build ParaView when the option PARAVIEW\_BUILD\_TESTING is on. When it is OFF, ParaView build successfully. The errors arise when compiling some of the test modules of the…

---

## [Categorical color map](https://discourse.paraview.org/t/categorical-color-map/13574)

<div class="topic-metadata">

**Author:** [@ppieperhoff](https://discourse.paraview.org/u/ppieperhoff)\
**Replies:** 0\
**Last updated:** [December 20, 2023, 9:44am UTC](https://discourse.paraview.org/t/categorical-color-map/13574 "2023-12-20T09:44:09Z")

</div>

Hi ParaView developers, I have a probem with a categorical color table: I load two 3D volume datasets which are regular grids (nifti datasets), the first is an MR image and the second contains integer values which indi…

---

## [Questions about changing clip values](https://discourse.paraview.org/t/questions-about-changing-clip-values/13569)

<div class="topic-metadata">

**Author:** [@Andrew\_Cook](https://discourse.paraview.org/u/Andrew_Cook)\
**Replies:** 0\
**Last updated:** [December 19, 2023, 9:34pm UTC](https://discourse.paraview.org/t/questions-about-changing-clip-values/13569 "2023-12-19T21:34:36Z")

</div>

I have a windows 10 computer, using paraview 5.2.10, I downloaded paraview from the official site. I know that in paraview it is possible to script. I have had troubles doing this though with what I want. Specifically, …

---

## [Create a time serie from multiple netCDF files](https://discourse.paraview.org/t/create-a-time-serie-from-multiple-netcdf-files/13570)

<div class="topic-metadata">

**Author:** [@PBrockmann](https://discourse.paraview.org/u/PBrockmann)\
**Replies:** 0\
**Last updated:** [December 19, 2023, 11:57pm UTC](https://discourse.paraview.org/t/create-a-time-serie-from-multiple-netcdf-files/13570 "2023-12-19T23:57:20Z")

</div>

Is there a way to load multiple netCDF files when you use the NetCDF Reader ? The time axis can be considered as a common time axis ? Files store CO2 concentrations every 3 hours during 1 month. Here are the netCDF he…

---

## [Trying to figure out pvserver OpenGL issue](https://discourse.paraview.org/t/trying-to-figure-out-pvserver-opengl-issue/10273)

<div class="topic-metadata">

**Author:** [@paulmelis](https://discourse.paraview.org/u/paulmelis)\
**Replies:** 9\
**Last updated:** [December 19, 2023, 10:20pm UTC](https://discourse.paraview.org/t/trying-to-figure-out-pvserver-opengl-issue/10273 "2023-12-19T22:20:47Z")

</div>

I’m using the 5.10.1 linux binaries on a compute/render node with four NVIDIA A100 GPUs. The X server setup on the node is working correctly, as I can use GPU-accelerated rendering in ParaView and e.g. Blender when runni…

---

## [Plot data over circle](https://discourse.paraview.org/t/plot-data-over-circle/13562)

<div class="topic-metadata">

**Author:** [@Trophime](https://discourse.paraview.org/u/Trophime)\
**Replies:** 3\
**Last updated:** [December 19, 2023, 5:44pm UTC](https://discourse.paraview.org/t/plot-data-over-circle/13562 "2023-12-19T17:44:23Z")

</div>

Hi, I would like to perform plot over circle for processing some 3D fem results. I’ve tried to apply “Slice with Plane” filter and then use “Plot on Intersection curve” filter with either a sphere or cylinder with appr…

---

## [Visualising structures using Q-criterion in Paraview](https://discourse.paraview.org/t/visualising-structures-using-q-criterion-in-paraview/13528)

<div class="topic-metadata">

**Author:** [@akintunde\_akinneye](https://discourse.paraview.org/u/akintunde_akinneye)\
**Replies:** 16\
**Last updated:** [December 19, 2023, 2:50pm UTC](https://discourse.paraview.org/t/visualising-structures-using-q-criterion-in-paraview/13528 "2023-12-19T14:50:36Z")

</div>

I have loaded a state file (.pvsm) of a turbulent channel flow solved using DNS and I want to visualise vortical structures using the Q-criterion but it’s not working out. I’m not sure what I’m missing because the tutor…

---

## [How to deal with highly anisotropic mesh](https://discourse.paraview.org/t/how-to-deal-with-highly-anisotropic-mesh/13558)

<div class="topic-metadata">

**Author:** [@Methil](https://discourse.paraview.org/u/Methil)\
**Replies:** 7\
**Last updated:** [December 19, 2023, 2:44pm UTC](https://discourse.paraview.org/t/how-to-deal-with-highly-anisotropic-mesh/13558 "2023-12-19T14:44:14Z")

</div>

Good morning everyone, I am new with paraview and watching tutorials but I have an issue that is not frequently tackled in these. My mesh is highly anisotropic as you can see. I have way more points in the horizontal…

---

## [On the Display of Particles with Different Diameters](https://discourse.paraview.org/t/on-the-display-of-particles-with-different-diameters/13545)

<div class="topic-metadata">

**Author:** [@Guanlong](https://discourse.paraview.org/u/Guanlong)\
**Replies:** 8\
**Last updated:** [December 19, 2023, 2:23pm UTC](https://discourse.paraview.org/t/on-the-display-of-particles-with-different-diameters/13545 "2023-12-19T14:23:16Z")

</div>

Hello researcher, I am using the CFD-DEM method to simulate gas-solid two-phase flow. In the simulation, I set up two particles with different diameters, but during post-processing, I found that particles with different …

---

## [Matplotlib conflict](https://discourse.paraview.org/t/matplotlib-conflict/13551)

<div class="topic-metadata">

**Author:** [@janduigamer13](https://discourse.paraview.org/u/janduigamer13)\
**Replies:** 3\
**Last updated:** [December 19, 2023, 1:55pm UTC](https://discourse.paraview.org/t/matplotlib-conflict/13551 "2023-12-19T13:55:14Z")

</div>

Hello there, could someone help me to fix a problem related with the version of matplotlib that ParaView installed in my ubuntu machine? I have installed paraview using sudo command, and when i tried to run another code …

---

## [Smooth filter Usage](https://discourse.paraview.org/t/smooth-filter-usage/13559)

<div class="topic-metadata">

**Author:** [@OMTin](https://discourse.paraview.org/u/OMTin)\
**Replies:** 0\
**Last updated:** [December 19, 2023, 8:53am UTC](https://discourse.paraview.org/t/smooth-filter-usage/13559 "2023-12-19T08:53:12Z")

</div>

I first used ExtractSurface filter in Paraview, and then used Smooth filter for surface smoothing. However, there are partition boundaries for each kernel, and I don’t want it to have partition boundaries. What should I …

---

## [How to calculate the mass flow rate of gas?](https://discourse.paraview.org/t/how-to-calculate-the-mass-flow-rate-of-gas/13554)

<div class="topic-metadata">

**Author:** [@Guanlong](https://discourse.paraview.org/u/Guanlong)\
**Replies:** 0\
**Last updated:** [December 19, 2023, 1:32am UTC](https://discourse.paraview.org/t/how-to-calculate-the-mass-flow-rate-of-gas/13554 "2023-12-19T01:32:50Z")

</div>

Hello developers and teachers, I sincerely seek your help on how to calculate the mass flow rate of gas (generated through reactions) on a cross-section. I sincerely hope that you can provide some technical guidance. Tha…

---

## [Point-Point Vector](https://discourse.paraview.org/t/point-point-vector/13533)

<div class="topic-metadata">

**Author:** [@NeilKeith](https://discourse.paraview.org/u/NeilKeith)\
**Replies:** 4\
**Last updated:** [December 18, 2023, 6:38pm UTC](https://discourse.paraview.org/t/point-point-vector/13533 "2023-12-18T18:38:42Z")

</div>

I’m following guides online, but they fail to give me the desired results. I have imported a sheet with two groups of vectors. The coordinates for the vector’s origins are \[x,y,z\], and the vectors are \[xh,yh,zh\]. So lo…

---

## [3D reconstruction](https://discourse.paraview.org/t/3d-reconstruction/13507)

<div class="topic-metadata">

**Author:** [@mar.premi](https://discourse.paraview.org/u/mar.premi)\
**Replies:** 6\
**Last updated:** [December 18, 2023, 1:52pm UTC](https://discourse.paraview.org/t/3d-reconstruction/13507 "2023-12-18T13:52:27Z")

</div>

Hi, is it possible to do a 3D reconstruction in paraview? I want to obtain a 3D mesh from this. Do you have any suggestion? I want something like this

---

## [how to creat pathline with csv file](https://discourse.paraview.org/t/how-to-creat-pathline-with-csv-file/13522)

<div class="topic-metadata">

**Author:** [@unico2](https://discourse.paraview.org/u/unico2)\
**Replies:** 1\
**Last updated:** [December 18, 2023, 9:01am UTC](https://discourse.paraview.org/t/how-to-creat-pathline-with-csv-file/13522 "2023-12-18T09:01:57Z")

</div>

Hello I’m sorry I’m beginner of paraview I would like to know how to make pathline with csv file? I can’t find some specific information. my filed is 2D. so I’m not sure about this. If somebody knows about this, ple…

---

## [Applying filters to lines contained in a unstructured mesh](https://discourse.paraview.org/t/applying-filters-to-lines-contained-in-a-unstructured-mesh/13546)

<div class="topic-metadata">

**Author:** [@MarkusTHolm](https://discourse.paraview.org/u/MarkusTHolm)\
**Replies:** 2\
**Last updated:** [December 18, 2023, 8:42am UTC](https://discourse.paraview.org/t/applying-filters-to-lines-contained-in-a-unstructured-mesh/13546 "2023-12-18T08:42:45Z")

</div>

HexagonalGrid\_00000.vtu (831.9 KB) Hello Paraview Support, I am working with an unstructured grid with the Cell type (VTK\_LINE, id=3), which represents trusses in a lattice. To visualize the radius of the trusses wi…

---

## [Extract points near extracted cell](https://discourse.paraview.org/t/extract-points-near-extracted-cell/12770)

<div class="topic-metadata">

**Author:** [@Chica\_ron](https://discourse.paraview.org/u/Chica_ron)\
**Replies:** 2\
**Last updated:** [August 31, 2023, 4:48pm UTC](https://discourse.paraview.org/t/extract-points-near-extracted-cell/12770 "2023-08-31T16:48:02Z")

</div>

Hello, I have a mesh with information of the cell centers. I have a .vtk file with information on the face centers. These are displayed as gaussian points. I would like to extract one cell of the domain and get the co…

---

## [Import million .vtk files at the same time](https://discourse.paraview.org/t/import-million-vtk-files-at-the-same-time/13510)

<div class="topic-metadata">

**Author:** [@mdev](https://discourse.paraview.org/u/mdev)\
**Replies:** 1\
**Last updated:** [December 15, 2023, 9:12am UTC](https://discourse.paraview.org/t/import-million-vtk-files-at-the-same-time/13510 "2023-12-15T09:12:06Z")

</div>

Hello, I am working on a dynamics simulation, and exporting .vtk files at every time step. However, when I try importing those files at the same time, the program (paraview) lags too much, and it seems impossible to do …

---

## [Error 'No module named \_paraview\_modules\_static' when use python](https://discourse.paraview.org/t/error-no-module-named-paraview-modules-static-when-use-python/13500)

<div class="topic-metadata">

**Author:** [@Magicb](https://discourse.paraview.org/u/Magicb)\
**Replies:** 4\
**Last updated:** [December 15, 2023, 2:56am UTC](https://discourse.paraview.org/t/error-no-module-named-paraview-modules-static-when-use-python/13500 "2023-12-15T02:56:16Z")

</div>

Hello everyone I try to use paraview 5.10.0 with python in ubuntu 18.04. When I try to run my py file(contain from paraview.simple import \*) It happened an error chengben@chengben-virtual-machine:~/quarter-qiao$ pytho…

---

## [Resampling point data to structured grid based on local maximum](https://discourse.paraview.org/t/resampling-point-data-to-structured-grid-based-on-local-maximum/13505)

<div class="topic-metadata">

**Author:** [@Malith\_Prasanna](https://discourse.paraview.org/u/Malith_Prasanna)\
**Replies:** 0\
**Last updated:** [December 14, 2023, 11:38am UTC](https://discourse.paraview.org/t/resampling-point-data-to-structured-grid-based-on-local-maximum/13505 "2023-12-14T11:38:25Z")

</div>

Hi, I have a point dataset of distribution of a parameter T in X,Y plane. Point data is unstructured and have some overlaps between data points as well. I am trying to resample the data to a structured grid (fast\_unifor…

---

## [Paraview won't read vtk from liggghts for windows](https://discourse.paraview.org/t/paraview-wont-read-vtk-from-liggghts-for-windows/13494)

<div class="topic-metadata">

**Author:** [@Gerrit\_Casper](https://discourse.paraview.org/u/Gerrit_Casper)\
**Replies:** 3\
**Last updated:** [December 13, 2023, 3:44pm UTC](https://discourse.paraview.org/t/paraview-wont-read-vtk-from-liggghts-for-windows/13494 "2023-12-13T15:44:11Z")

</div>

I downloaded liggghts for windows from Now I want to show the data with Paraview. I am a little overwhelmed with all this because I have no idea how all that works. I tried to dump .liggght but paraview doesn’t show th…

---

## [Unstructured mesh to image](https://discourse.paraview.org/t/unstructured-mesh-to-image/13496)

<div class="topic-metadata">

**Author:** [@marios\_geo](https://discourse.paraview.org/u/marios_geo)\
**Replies:** 22\
**Last updated:** [December 13, 2023, 12:03pm UTC](https://discourse.paraview.org/t/unstructured-mesh-to-image/13496 "2023-12-13T12:03:56Z")

</div>

I have a 2d unstructured mesh, that I want to resample to image (pixel based) . If I use the filter resample to image, I get an empty figure (it seems it takes only only triangle?) I follow the steps mentioned here, Res…

---

## [I encountered difficulties while running the .xmf +hdf5 file](https://discourse.paraview.org/t/i-encountered-difficulties-while-running-the-xmf-hdf5-file/13492)

<div class="topic-metadata">

**Author:** [@Sinbad](https://discourse.paraview.org/u/Sinbad)\
**Replies:** 1\
**Last updated:** [December 13, 2023, 10:16am UTC](https://discourse.paraview.org/t/i-encountered-difficulties-while-running-the-xmf-hdf5-file/13492 "2023-12-13T10:16:26Z")

</div>

20231213.zip (1.3 MB)Hello, I generated a set of files for XMF and hdf5 after running my code, but I couldn’t run them in Paraview. Therefore, I have reviewed some answers related to my question here, but they still have…

---

## [Improving ParaView Performance for the Visualization of Large .vtu Models](https://discourse.paraview.org/t/improving-paraview-performance-for-the-visualization-of-large-vtu-models/13485)

<div class="topic-metadata">

**Author:** [@BenedyktMLU](https://discourse.paraview.org/u/BenedyktMLU)\
**Replies:** 2\
**Last updated:** [December 12, 2023, 6:57pm UTC](https://discourse.paraview.org/t/improving-paraview-performance-for-the-visualization-of-large-vtu-models/13485 "2023-12-12T18:57:32Z")

</div>

I am currently working with large .vtu models in ParaView, and I am facing challenges with the visualization of increasingly larger datasets. The models typically range from 40-60 million grid points. The current setup, …

---

## [Paraview 5.12 RC1 Error](https://discourse.paraview.org/t/paraview-5-12-rc1-error/13460)

<div class="topic-metadata">

**Author:** [@Frankx9](https://discourse.paraview.org/u/Frankx9)\
**Replies:** 8\
**Last updated:** [December 11, 2023, 6:33pm UTC](https://discourse.paraview.org/t/paraview-5-12-rc1-error/13460 "2023-12-11T18:33:59Z")

</div>

Hello, I’m testing the RC1 of version 5.12 and when I try to import the paraview.simple module to use it in a python script I get the following error: ModuleNotFoundError: No module named '\_paraview\_modules\_static' Du…

---

## [Problem with generated python script](https://discourse.paraview.org/t/problem-with-generated-python-script/11123)

<div class="topic-metadata">

**Author:** [@spacenerd](https://discourse.paraview.org/u/spacenerd)\
**Replies:** 2\
**Last updated:** [January 10, 2023, 1:53pm UTC](https://discourse.paraview.org/t/problem-with-generated-python-script/11123 "2023-01-10T13:53:49Z")

</div>

Hey everyone, I am having a problem with a generated python script in paraview. The script is auto-generated using the trace functionality. This is the script: # trace generated using paraview version 5.10.0-RC1 #impo…

[Previous page](https://discourse.paraview.org/c/paraview-support/7.md?page=56)

[Next page](https://discourse.paraview.org/c/paraview-support/7.md?page=58)