# ParaView Support

**URL:** https://discourse.paraview.org/c/paraview-support/7.md?page=99

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

**Page:** 100

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## [View options disappear after selecting a preview resolution](https://discourse.paraview.org/t/view-options-disappear-after-selecting-a-preview-resolution/10265)

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**Author:** [@jameil\_k](https://discourse.paraview.org/u/jameil_k)\
**Replies:** 2\
**Last updated:** [September 7, 2022, 4:23pm UTC](https://discourse.paraview.org/t/view-options-disappear-after-selecting-a-preview-resolution/10265 "2022-09-07T16:23:27Z")

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View options like “change interaction mode”, “adjust camera”, “clear selection”, “split vertical axis” etc. disappear after choosing a preview resolution. How can get this toolbar back? Or at the very least where can I f…

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## [ttk and other filter not able to use](https://discourse.paraview.org/t/ttk-and-other-filter-not-able-to-use/10260)

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**Author:** [@Pravin\_Poudel](https://discourse.paraview.org/u/Pravin_Poudel)\
**Replies:** 1\
**Last updated:** [September 7, 2022, 7:47am UTC](https://discourse.paraview.org/t/ttk-and-other-filter-not-able-to-use/10260 "2022-09-07T07:47:52Z")

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I opened the paraview and loaded the ttk from plugin lists. Then clicked on the file option in menu and clicked open in the dropdown and selected mt stl file. Made it visible by clicking on eye symbol in pipeline. …

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## [Time step data](https://discourse.paraview.org/t/time-step-data/10251)

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**Author:** [@Ramesh\_Kolluru](https://discourse.paraview.org/u/Ramesh_Kolluru)\
**Replies:** 3\
**Last updated:** [September 7, 2022, 3:35am UTC](https://discourse.paraview.org/t/time-step-data/10251 "2022-09-07T03:35:32Z")

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I have series of time step data that got generated from converge\_cfd software. When ever I load paraview loads all the time step data into the memory. Is there any way to only load one time step data in paraview?

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## [Paraview gui boots up in transparent blue hue via remote desktop](https://discourse.paraview.org/t/paraview-gui-boots-up-in-transparent-blue-hue-via-remote-desktop/6148)

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**Author:** [@aomanchuria](https://discourse.paraview.org/u/aomanchuria)\
**Replies:** 5\
**Last updated:** [September 6, 2022, 3:45pm UTC](https://discourse.paraview.org/t/paraview-gui-boots-up-in-transparent-blue-hue-via-remote-desktop/6148 "2022-09-06T15:45:55Z")

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As you can see in the attached image, remoting from my smaller screen laptop to my desktop makes the program come up with a blue hue that is transparent. I can see the background image or other windows behind it. It is…

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## [problem in dragon demo](https://discourse.paraview.org/t/problem-in-dragon-demo/10245)

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**Author:** [@Pravin\_Poudel](https://discourse.paraview.org/u/Pravin_Poudel)\
**Replies:** 2\
**Last updated:** [September 6, 2022, 7:20am UTC](https://discourse.paraview.org/t/problem-in-dragon-demo/10245 "2022-09-06T07:20:34Z")

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I am learning to use paraview and ttk. I am stuck with dragon example itself. I am watching youtube video on ttk official site and when i click persistence threshold i get this error can anyone help me please

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## [Сhart animation](https://discourse.paraview.org/t/hart-animation/10253)

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**Author:** [@logmclassrulit](https://discourse.paraview.org/u/logmclassrulit)\
**Replies:** 0\
**Last updated:** [September 5, 2022, 1:48pm UTC](https://discourse.paraview.org/t/hart-animation/10253 "2022-09-05T13:48:05Z")

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How to animate a lineplot depending on the 3D scene?

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## [How to image 2D data in txt file](https://discourse.paraview.org/t/how-to-image-2d-data-in-txt-file/9660)

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**Author:** [@Changwan\_Sun](https://discourse.paraview.org/u/Changwan_Sun)\
**Replies:** 5\
**Last updated:** [September 5, 2022, 5:43am UTC](https://discourse.paraview.org/t/how-to-image-2d-data-in-txt-file/9660 "2022-09-05T05:43:07Z")

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Dear all, I can read a 2D text file with your kind answers for many questions. But, I do not know the next step, how to visualize the matrix in the Paraview. My data has this structure, 81 x 4096 matrix. I followed thi…

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## [Understanding how demo data is displayed in paraview](https://discourse.paraview.org/t/understanding-how-demo-data-is-displayed-in-paraview/10236)

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**Author:** [@sarisa19](https://discourse.paraview.org/u/sarisa19)\
**Replies:** 1\
**Last updated:** [September 5, 2022, 3:07am UTC](https://discourse.paraview.org/t/understanding-how-demo-data-is-displayed-in-paraview/10236 "2022-09-05T03:07:33Z")

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I have a demo data set that I can view in paraview. To export the data, I have to understand how paraview reads the data and creates the arrows. The demo data can be found here( Demo dataset for fetal whole-heart 4D reco…

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## [Working with Adaptive Mesh Refinement (AMR) data](https://discourse.paraview.org/t/working-with-adaptive-mesh-refinement-amr-data/10215)

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**Author:** [@trenton.carpenter](https://discourse.paraview.org/u/trenton.carpenter)\
**Replies:** 6\
**Last updated:** [September 3, 2022, 2:11am UTC](https://discourse.paraview.org/t/working-with-adaptive-mesh-refinement-amr-data/10215 "2022-09-03T02:11:17Z")

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I’m working with a CFD data set, it is of an object floating in a fluid, about 300 \*.dat files (imports correctly with “TecPlot Reader” option selected). The data is from a CFD analysis with moving boundaries and adaptiv…

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## [Normalize Transfer Function based on Data Resolution](https://discourse.paraview.org/t/normalize-transfer-function-based-on-data-resolution/10237)

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**Author:** [@Dosmi](https://discourse.paraview.org/u/Dosmi)\
**Replies:** 6\
**Last updated:** [September 2, 2022, 5:10pm UTC](https://discourse.paraview.org/t/normalize-transfer-function-based-on-data-resolution/10237 "2022-09-02T17:10:14Z")

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Simple question - I have data 128x128x128, use a combination of 50% opaque points, fine-tune to what I like, leaving sections of it semi-transparent. Then, loading 1024x1024x1024 data with same (exported) transfer functi…

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## [Error with superbuild](https://discourse.paraview.org/t/error-with-superbuild/10242)

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**Author:** [@woodscn](https://discourse.paraview.org/u/woodscn)\
**Replies:** 4\
**Last updated:** [September 2, 2022, 3:48pm UTC](https://discourse.paraview.org/t/error-with-superbuild/10242 "2022-09-02T15:48:42Z")

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It seems like a simple enough error, but I’m stumped. This trips when I attempt to make install, after the build has completed. FileNotFoundError: \[Errno 2\] No such file or directory: '/home/woodcn2/git-repos/build-…

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## [Paraview core dumped on popos](https://discourse.paraview.org/t/paraview-core-dumped-on-popos/10239)

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**Author:** [@Ramesh\_Kolluru](https://discourse.paraview.org/u/Ramesh_Kolluru)\
**Replies:** 1\
**Last updated:** [September 2, 2022, 6:38am UTC](https://discourse.paraview.org/t/paraview-core-dumped-on-popos/10239 "2022-09-02T06:38:31Z")

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I have installed paraview on popos and it worked fine for a day and suddenly it shows coredumped … here is the result of paraview any help in getting it up and running rameshkolluru@pop-os:~$ paraview & \[2\] 99496 rames…

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## [get animation from paraview to unity](https://discourse.paraview.org/t/get-animation-from-paraview-to-unity/10235)

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**Author:** [@sarisa19](https://discourse.paraview.org/u/sarisa19)\
**Replies:** 0\
**Last updated:** [September 1, 2022, 7:41pm UTC](https://discourse.paraview.org/t/get-animation-from-paraview-to-unity/10235 "2022-09-01T19:41:46Z")

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Hey, i have some deo data that i can display in paraview. However I want the model and animation of it in unity. Is there a way to achieve that?

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## [A quick question about plotting points (x, y, z, time)](https://discourse.paraview.org/t/a-quick-question-about-plotting-points-x-y-z-time/4945)

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**Author:** [@Sungho\_Lee](https://discourse.paraview.org/u/Sungho_Lee)\
**Replies:** 13\
**Last updated:** [September 1, 2022, 4:06pm UTC](https://discourse.paraview.org/t/a-quick-question-about-plotting-points-x-y-z-time/4945 "2022-09-01T16:06:47Z")

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Hello. I am a beginner of Paraview. I have a point data set which has spatial and temporal information. I plotted all points without the time stamp. I’d like to plot the time evolution of scatters. I don’t know how …

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## [Add the cell center coordinates to the cell data](https://discourse.paraview.org/t/add-the-cell-center-coordinates-to-the-cell-data/560)

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**Author:** [@pcrepier](https://discourse.paraview.org/u/pcrepier)\
**Replies:** 8\
**Last updated:** [September 1, 2022, 12:47pm UTC](https://discourse.paraview.org/t/add-the-cell-center-coordinates-to-the-cell-data/560 "2022-09-01T12:47:07Z")

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Hi everyone, The solver I use being cell centered, I try more and more to work on the cell data to avoid having the use the cell data to point data filter. The only reason I have to interpolate to the points is to re-ca…

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## [Confused about ParaView GPU/Smart Volume Rendering Modes](https://discourse.paraview.org/t/confused-about-paraview-gpu-smart-volume-rendering-modes/10157)

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**Author:** [@Dosmi](https://discourse.paraview.org/u/Dosmi)\
**Replies:** 12\
**Last updated:** [August 31, 2022, 1:49am UTC](https://discourse.paraview.org/t/confused-about-paraview-gpu-smart-volume-rendering-modes/10157 "2022-08-31T01:49:21Z")

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Hello all, While using a cluster which is not advertised to have a GPU (and upon confirming with support that indeed no GPUs are available, not even integrated), I have noticed that for data which fits under 4GB in memo…

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## [Trivial Producer Scalars not Visible? (Part of increasing understanding of VTK + Paraview scripting)](https://discourse.paraview.org/t/trivial-producer-scalars-not-visible-part-of-increasing-understanding-of-vtk-paraview-scripting/10216)

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**Author:** [@Devin\_Richard\_Bayly](https://discourse.paraview.org/u/Devin_Richard_Bayly)\
**Replies:** 2\
**Last updated:** [August 30, 2022, 9:00pm UTC](https://discourse.paraview.org/t/trivial-producer-scalars-not-visible-part-of-increasing-understanding-of-vtk-paraview-scripting/10216 "2022-08-30T21:00:53Z")

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Hi there, I’m trying to improve my understanding of both paraview and vtk’s python module by generating small point sets and viewing them in paraview using the Trivial Producer. I succeed in getting points drawn to the …

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## [Evaluate vtu data at arbitrary points with Python scripting (especially for higher order Lagrange elements)](https://discourse.paraview.org/t/evaluate-vtu-data-at-arbitrary-points-with-python-scripting-especially-for-higher-order-lagrange-elements/10223)

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**Author:** [@lucasmyers97](https://discourse.paraview.org/u/lucasmyers97)\
**Replies:** 0\
**Last updated:** [August 30, 2022, 7:11pm UTC](https://discourse.paraview.org/t/evaluate-vtu-data-at-arbitrary-points-with-python-scripting-especially-for-higher-order-lagrange-elements/10223 "2022-08-30T19:11:51Z")

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I have a .vtu file for which finite element data is written on an unstructured grid in vtk’s xml format. Using the python scripting capability, I’d like to read data at a set of arbitrary points, being interpolated by th…

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## [Error when connecting with pvserver](https://discourse.paraview.org/t/error-when-connecting-with-pvserver/10181)

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**Author:** [@CFDaniel](https://discourse.paraview.org/u/CFDaniel)\
**Replies:** 4\
**Last updated:** [August 30, 2022, 10:06am UTC](https://discourse.paraview.org/t/error-when-connecting-with-pvserver/10181 "2022-08-30T10:06:44Z")

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Hello everyone, because I am working with large models a colleague recommended me to work with a paraview server where I can use multiple cores. I found an instruction online how to setup up paraview for working remotel…

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## [SaveData does not save the multiple timesteps at pvpython](https://discourse.paraview.org/t/savedata-does-not-save-the-multiple-timesteps-at-pvpython/10203)

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**Author:** [@jpruscio](https://discourse.paraview.org/u/jpruscio)\
**Replies:** 2\
**Last updated:** [August 30, 2022, 8:55am UTC](https://discourse.paraview.org/t/savedata-does-not-save-the-multiple-timesteps-at-pvpython/10203 "2022-08-30T08:55:47Z")

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Hello! I am using Paraview 5.10 I am trying to save data of multiple timsteps automatically from pvpython using a trace that I generated at the GUI and it doesn’t work, it just saves the current timestep in pvpython wh…

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## [Paraview stops responding when loading large csv file](https://discourse.paraview.org/t/paraview-stops-responding-when-loading-large-csv-file/10218)

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**Author:** [@maddylucas](https://discourse.paraview.org/u/maddylucas)\
**Replies:** 8\
**Last updated:** [August 29, 2022, 11:05pm UTC](https://discourse.paraview.org/t/paraview-stops-responding-when-loading-large-csv-file/10218 "2022-08-29T23:05:43Z")

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I am trying to load a large 16GB .csv in Paraview (version 5.10.1). When I click “apply”, Paraview immediately stops responding and I have to restart the program. When I try to just load the first few lines of my file it…

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## [vthb file format](https://discourse.paraview.org/t/vthb-file-format/10213)

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**Author:** [@ahdhn](https://discourse.paraview.org/u/ahdhn)\
**Replies:** 0\
**Last updated:** [August 29, 2022, 2:47pm UTC](https://discourse.paraview.org/t/vthb-file-format/10213 "2022-08-29T14:47:39Z")

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Where can I get the documentation for the vthb file format? I am not looking for “how to use VTK to visualize or write vthb files”. I am simply looking for vthb file specification—something like the specification for OBJ…

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## [ParaView struggling with negative values (need to use logarithms)](https://discourse.paraview.org/t/paraview-struggling-with-negative-values-need-to-use-logarithms/10211)

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**Author:** [@WarinSpace\_Game](https://discourse.paraview.org/u/WarinSpace_Game)\
**Replies:** 4\
**Last updated:** [August 29, 2022, 2:05pm UTC](https://discourse.paraview.org/t/paraview-struggling-with-negative-values-need-to-use-logarithms/10211 "2022-08-29T14:05:13Z")

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I’ve created a little Python script to produce VTK files from my data (3D spherical → XYZ). The plot looks OK when I use linear scaling: VTK file: pattern\_linear.vtk (423.2 KB) However, if I convert the values to dB…

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## [Paraview macOS xQuartz "Painter not Active"](https://discourse.paraview.org/t/paraview-macos-xquartz-painter-not-active/10142)

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**Author:** [@ST1023](https://discourse.paraview.org/u/ST1023)\
**Replies:** 1\
**Last updated:** [August 29, 2022, 5:06am UTC](https://discourse.paraview.org/t/paraview-macos-xquartz-painter-not-active/10142 "2022-08-29T05:06:34Z")

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I have been able to open Paraview using xQuartz for the past couple of months with no problems. But lately, I have been getting the response: “QPainter:: …: Painter not active” for most of the QPainter attributes. This…

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## [running python scripts with load state for parafoam](https://discourse.paraview.org/t/running-python-scripts-with-load-state-for-parafoam/10156)

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**Author:** [@rho\_viz](https://discourse.paraview.org/u/rho_viz)\
**Replies:** 1\
**Last updated:** [August 29, 2022, 4:38am UTC](https://discourse.paraview.org/t/running-python-scripts-with-load-state-for-parafoam/10156 "2022-08-29T04:38:24Z")

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I’m trying to automate generating animations with parafoam using a python script. The script loads a state file, chooses the view of interest and creates an animation of that view. I’m currently unable to load the state…

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## [Foam file - Reconstructed and Decomposed Case type Error](https://discourse.paraview.org/t/foam-file-reconstructed-and-decomposed-case-type-error/10172)

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**Author:** [@Graham](https://discourse.paraview.org/u/Graham)\
**Replies:** 1\
**Last updated:** [August 29, 2022, 4:23am UTC](https://discourse.paraview.org/t/foam-file-reconstructed-and-decomposed-case-type-error/10172 "2022-08-29T04:23:50Z")

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Hi guys, I have attached two contours. For the first one, I chose the type “Reconstructed Case” whereas the second is “Decomposed Case”. As in the pic, there are these vertical planes formed when I change the case type.…

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## [Cannot find extern disk when using the open file window](https://discourse.paraview.org/t/cannot-find-extern-disk-when-using-the-open-file-window/9716)

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**Author:** [@Miraboreasau](https://discourse.paraview.org/u/Miraboreasau)\
**Replies:** 2\
**Last updated:** [August 29, 2022, 3:28am UTC](https://discourse.paraview.org/t/cannot-find-extern-disk-when-using-the-open-file-window/9716 "2022-08-29T03:28:31Z")

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Hello, I plug a disk that has my data in it, but its symbol won’t show up in the open file window of Paraview (the wanted disk symbol is E). Or the question is: how to access my computer while using open file

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## [Paraview clip not responding](https://discourse.paraview.org/t/paraview-clip-not-responding/10202)

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**Author:** [@Ramesh\_Kolluru](https://discourse.paraview.org/u/Ramesh_Kolluru)\
**Replies:** 6\
**Last updated:** [August 29, 2022, 3:09am UTC](https://discourse.paraview.org/t/paraview-clip-not-responding/10202 "2022-08-29T03:09:09Z")

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Hello I have data generated from Converge CFD solver which is about 12 gb in size. I am using Paraview 5.10.1 on mac os monterey 12.5.1. I am facing the following difficulty on both windwos and mac os machines. I coul…

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## [Easiest Volumetric Dataset Type to Manually Create](https://discourse.paraview.org/t/easiest-volumetric-dataset-type-to-manually-create/10196)

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**Author:** [@mconti](https://discourse.paraview.org/u/mconti)\
**Replies:** 1\
**Last updated:** [August 29, 2022, 12:58am UTC](https://discourse.paraview.org/t/easiest-volumetric-dataset-type-to-manually-create/10196 "2022-08-29T00:58:33Z")

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Hey y’all, I have some simple 3d data (x,y,z points with a value at each point). That I would like to load on top of another dataset that I have. What is the easiest file type (and hopefully someone has a decent example…

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## [Using user-defined variable in calculator/python calculator](https://discourse.paraview.org/t/using-user-defined-variable-in-calculator-python-calculator/10166)

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**Author:** [@baysalse](https://discourse.paraview.org/u/baysalse)\
**Replies:** 6\
**Last updated:** [August 28, 2022, 7:39pm UTC](https://discourse.paraview.org/t/using-user-defined-variable-in-calculator-python-calculator/10166 "2022-08-28T19:39:50Z")

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Hi, I’m trying to obtain a new array defined as absPres which can be defined as “p-hydroPres”. Here p is pressure (a scalar Point Data) and hydroPres is the p at y=max(y) over a line. I can’t figure out how to get hydro…

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