# ParaView Support

**URL:** https://discourse.paraview.org/c/paraview-support/7.md?page=158

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**Page:** 159

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## [Why pqFileDialog can not read directory contains serial of dicom files and reconstruct these files to 3D file.](https://discourse.paraview.org/t/why-pqfiledialog-can-not-read-directory-contains-serial-of-dicom-files-and-reconstruct-these-files-to-3d-file/6045)

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**Author:** [@wulicheng](https://discourse.paraview.org/u/wulicheng)\
**Replies:** 0\
**Last updated:** [December 13, 2020, 2:55am UTC](https://discourse.paraview.org/t/why-pqfiledialog-can-not-read-directory-contains-serial-of-dicom-files-and-reconstruct-these-files-to-3d-file/6045 "2020-12-13T02:55:37Z")

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Why pqFileDialog can not read directory contains serial of dicom files and reconstruct these files to 3D file.

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## [ParaView 5.9 RC2 NVIDIA Optix Pathtracer](https://discourse.paraview.org/t/paraview-5-9-rc2-nvidia-optix-pathtracer/6031)

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**Author:** [@danlipsa](https://discourse.paraview.org/u/danlipsa)\
**Replies:** 3\
**Last updated:** [December 11, 2020, 8:34pm UTC](https://discourse.paraview.org/t/paraview-5-9-rc2-nvidia-optix-pathtracer/6031 "2020-12-11T20:34:22Z")

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Hi all, ParaView 5.8 RC2 binary does not enable NVIDIA Optix on my Ubuntu 18.04. It does work with ParaView 5.8.1 binary. It might be related to an error I see for nvidia-smi, but as I said it does work for ParaView 5.…

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## [plotSelectionOverTime, trace,Extractselection](https://discourse.paraview.org/t/plotselectionovertime-trace-extractselection/6028)

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**Author:** [@Nikhil\_Nick](https://discourse.paraview.org/u/Nikhil_Nick)\
**Replies:** 2\
**Last updated:** [December 11, 2020, 1:36pm UTC](https://discourse.paraview.org/t/plotselectionovertime-trace-extractselection/6028 "2020-12-11T13:36:23Z")

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QuerySelect(QueryString=‘(loc == max(loc))’, FieldType=‘POINT’, InsideOut=0) #calculator1 is defined before, which returns a scalar namely “loc” that changes with time SetActiveSource(calculator1) extractSelection1 …

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## [How to load a directory contains a serial of dicom files and how to render this data in VR but just show bones!](https://discourse.paraview.org/t/how-to-load-a-directory-contains-a-serial-of-dicom-files-and-how-to-render-this-data-in-vr-but-just-show-bones/6035)

<div class="topic-metadata">

**Author:** [@wulicheng](https://discourse.paraview.org/u/wulicheng)\
**Replies:** 0\
**Last updated:** [December 11, 2020, 9:18am UTC](https://discourse.paraview.org/t/how-to-load-a-directory-contains-a-serial-of-dicom-files-and-how-to-render-this-data-in-vr-but-just-show-bones/6035 "2020-12-11T09:18:49Z")

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Now I have the same serial of dicom files, I want to construct it to 3D(or rendering by VR method), How should i do? Especially via ParaView?

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## [pvbach paraview.simple how to make animation or screenshot without GUI](https://discourse.paraview.org/t/pvbach-paraview-simple-how-to-make-animation-or-screenshot-without-gui/6024)

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**Author:** [@Pomme](https://discourse.paraview.org/u/Pomme)\
**Replies:** 3\
**Last updated:** [December 11, 2020, 7:30am UTC](https://discourse.paraview.org/t/pvbach-paraview-simple-how-to-make-animation-or-screenshot-without-gui/6024 "2020-12-11T07:30:05Z")

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Hi there. I do enjoy paraview simple to automatize some post-processing. When i make a screenshot or save animation of a renderview with the following line : SaveAnimation(’/tmp/test.png’, renderView1, ImageResolution=…

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## [Points Gaussian succeeded but Contour iso surface failed.](https://discourse.paraview.org/t/points-gaussian-succeeded-but-contour-iso-surface-failed/6032)

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**Author:** [@Giovanni](https://discourse.paraview.org/u/Giovanni)\
**Replies:** 2\
**Last updated:** [December 11, 2020, 4:27am UTC](https://discourse.paraview.org/t/points-gaussian-succeeded-but-contour-iso-surface-failed/6032 "2020-12-11T04:27:47Z")

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Can ParaView draw an isosurface = 1 from the .VTK file attached? “Contour” filter fails. But “Legacy Reader” reads it correctly, and “Points Gaussian” represents it correctly (screen shot). So, I wonder if there is a wor…

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## [Convert hdf5 files to a Paraview readable format](https://discourse.paraview.org/t/convert-hdf5-files-to-a-paraview-readable-format/6004)

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**Author:** [@stevenrend](https://discourse.paraview.org/u/stevenrend)\
**Replies:** 3\
**Last updated:** [December 10, 2020, 7:07pm UTC](https://discourse.paraview.org/t/convert-hdf5-files-to-a-paraview-readable-format/6004 "2020-12-10T19:07:45Z")

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Hello everyone, I use a 3D code for solving Euler equations in a cylindrical geometry. The structure of my output ( an hdf5 file ) looks like : Mesh gas/mesh/x : 1D array of dimension nx containing all r values gas/…

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## [Remove points from cells or convert cell types](https://discourse.paraview.org/t/remove-points-from-cells-or-convert-cell-types/6030)

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**Author:** [@CapLek](https://discourse.paraview.org/u/CapLek)\
**Replies:** 0\
**Last updated:** [December 10, 2020, 6:54pm UTC](https://discourse.paraview.org/t/remove-points-from-cells-or-convert-cell-types/6030 "2020-12-10T18:54:16Z")

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I need to remove via python script midedge points from cells of quadratic types, because they contain wrong data. In other words to convert a quadratic cell type to a corresponding linear cell type (for example, to go fr…

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## [Toggle column visibility - too large for screen](https://discourse.paraview.org/t/toggle-column-visibility-too-large-for-screen/6027)

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**Author:** [@pizzaboy](https://discourse.paraview.org/u/pizzaboy)\
**Replies:** 2\
**Last updated:** [December 10, 2020, 3:10pm UTC](https://discourse.paraview.org/t/toggle-column-visibility-too-large-for-screen/6027 "2020-12-10T15:10:46Z")

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When processing a model with “a lot of” scalar variables (~ 50) and creating a plot over time for some data points and viewing the result in a spread sheet view, I struggle with selecting the output I want to display. Th…

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## [Paraview real process memory leak with ospray](https://discourse.paraview.org/t/paraview-real-process-memory-leak-with-ospray/5966)

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**Author:** [@Lukasz](https://discourse.paraview.org/u/Lukasz)\
**Replies:** 5\
**Last updated:** [December 9, 2020, 8:00pm UTC](https://discourse.paraview.org/t/paraview-real-process-memory-leak-with-ospray/5966 "2020-12-09T20:00:46Z")

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Paraview 5.9.0 RC1 (Linux binaries from Kitware) spawns now a paraview-real process. I noticed that when exporting images with ospray (raycaster or pathtracer) paraview-real fills in RAM with each exported image until th…

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## [paraview error when i upload csv file with boundary values](https://discourse.paraview.org/t/paraview-error-when-i-upload-csv-file-with-boundary-values/6022)

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**Author:** [@Pranayteja.G\_gottipa](https://discourse.paraview.org/u/Pranayteja.G_gottipa)\
**Replies:** 0\
**Last updated:** [December 9, 2020, 7:45pm UTC](https://discourse.paraview.org/t/paraview-error-when-i-upload-csv-file-with-boundary-values/6022 "2020-12-09T19:45:26Z")

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Hi while uploading results.csv file to paraview its giving following error as shown in the figure below, when i unselect the "interpret values as categories " option the error shown in 2nd figure giving. paraview showin…

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## [Paraview fails to open \*vtu solution on Windows 10 laptop](https://discourse.paraview.org/t/paraview-fails-to-open-vtu-solution-on-windows-10-laptop/5968)

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**Author:** [@MaximeTRT](https://discourse.paraview.org/u/MaximeTRT)\
**Replies:** 15\
**Last updated:** [December 9, 2020, 6:36pm UTC](https://discourse.paraview.org/t/paraview-fails-to-open-vtu-solution-on-windows-10-laptop/5968 "2020-12-09T18:36:50Z")

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Hello, I am currently using Paraview 5.8.1 on a Windows 10 laptop. The computer is a Dell Precision 3551, which has the following specifications: Windows 10 Pro 64 bits 32Gb RAM (Intel Core i7, 2 x 16Gb RAM) Nvidia Qu…

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## [Coloring surface by predefined RGB values](https://discourse.paraview.org/t/coloring-surface-by-predefined-rgb-values/6011)

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**Author:** [@mhadziabdic](https://discourse.paraview.org/u/mhadziabdic)\
**Replies:** 7\
**Last updated:** [December 8, 2020, 7:37pm UTC](https://discourse.paraview.org/t/coloring-surface-by-predefined-rgb-values/6011 "2020-12-08T19:37:43Z")

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Dear All, I have a surface on which I have RBG values stored in each cell. I am trying to see color defined by those RGB values. But I cannot figure out how to do it, or if this is possible to do it at all. I would app…

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## [Building ParaView on Centos-7.9 with GCC 4.8.5](https://discourse.paraview.org/t/building-paraview-on-centos-7-9-with-gcc-4-8-5/5986)

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**Author:** [@wsherman](https://discourse.paraview.org/u/wsherman)\
**Replies:** 5\
**Last updated:** [December 8, 2020, 4:14pm UTC](https://discourse.paraview.org/t/building-paraview-on-centos-7-9-with-gcc-4-8-5/5986 "2020-12-08T16:14:33Z")

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Hey everyone, my main desktop computer is running Centos-8, so I’m able to build the recent clones from git on that machine, but when I then shift to the system that drives our CAVE, it is only at Centos 7,9, which has G…

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## [PBR options in paraview 5.9RC2 MacOS](https://discourse.paraview.org/t/pbr-options-in-paraview-5-9rc2-macos/6012)

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**Author:** [@amlucas](https://discourse.paraview.org/u/amlucas)\
**Replies:** 2\
**Last updated:** [December 8, 2020, 2:59pm UTC](https://discourse.paraview.org/t/pbr-options-in-paraview-5-9rc2-macos/6012 "2020-12-08T14:59:11Z")

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Hello, I have just switched from paraview 5.8.1 to paraview 5.9 RC2. I really liked the PBR in the lighting options when rendering surfaces. However, I cannot find it in the newer release. Has it disappeared or moved…

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## [Split slice based on connection](https://discourse.paraview.org/t/split-slice-based-on-connection/5998)

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**Author:** [@BastiL](https://discourse.paraview.org/u/BastiL)\
**Replies:** 1\
**Last updated:** [December 8, 2020, 12:08am UTC](https://discourse.paraview.org/t/split-slice-based-on-connection/5998 "2020-12-08T00:08:20Z")

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Hello all, I have a slice that consists of several disconnected region. I want to do the following: Calculate the average of some (scalar) variables for each of the disconnected regions individually Draw glyphs on the…

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## [How to retrieve input proxy properties in a programmable filter ?](https://discourse.paraview.org/t/how-to-retrieve-input-proxy-properties-in-a-programmable-filter/5993)

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**Author:** [@Mohamed\_Abdelkhalek](https://discourse.paraview.org/u/Mohamed_Abdelkhalek)\
**Replies:** 2\
**Last updated:** [December 7, 2020, 8:34pm UTC](https://discourse.paraview.org/t/how-to-retrieve-input-proxy-properties-in-a-programmable-filter/5993 "2020-12-07T20:34:16Z")

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For example if I have a clip filter with type box, that I use to crop an image volume (unstructured grid). If I use this clip filter as an input to a programmable filter, I only get the underlying vtk object, which is …

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## [PDF Files (3D) exporting issues in ParaView 5.9.0](https://discourse.paraview.org/t/pdf-files-3d-exporting-issues-in-paraview-5-9-0/6005)

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**Author:** [@kirit\_101](https://discourse.paraview.org/u/kirit_101)\
**Replies:** 0\
**Last updated:** [December 7, 2020, 6:44pm UTC](https://discourse.paraview.org/t/pdf-files-3d-exporting-issues-in-paraview-5-9-0/6005 "2020-12-07T18:44:30Z")

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I was saving 3D PDF files in ParaView 5.9.0 using Export Scene. When I try to open these newly created pdf files using Adobe Acrobat PDF Reader I am getting the below error message: I have tested my Adobe Acrobat PDF …

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## [How to Script\_Trace the Camera Changes?](https://discourse.paraview.org/t/how-to-script-trace-the-camera-changes/5990)

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**Author:** [@coreman](https://discourse.paraview.org/u/coreman)\
**Replies:** 2\
**Last updated:** [December 7, 2020, 12:05pm UTC](https://discourse.paraview.org/t/how-to-script-trace-the-camera-changes/5990 "2020-12-07T12:05:13Z")

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Hi there! I have made it so my scripts are working on the server, BUT, whatever selection I put on trace, I find no choice that traces the “Camera Movements”. Is there any filter at least that can do it? It doesnt hav…

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## [Axis Rescale in Paraview](https://discourse.paraview.org/t/axis-rescale-in-paraview/6001)

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**Author:** [@Mateja](https://discourse.paraview.org/u/Mateja)\
**Replies:** 0\
**Last updated:** [December 7, 2020, 10:45am UTC](https://discourse.paraview.org/t/axis-rescale-in-paraview/6001 "2020-12-07T10:45:18Z")

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Hello, I have data plotted on x-axis. The range of x-axis is 0-1. I want to rescale the x axis from 0-1 to 0 -0.0003. I have tried calculator filter but It didn’t do the work. I tried transform filter but It cuts the da…

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## [particle tracking](https://discourse.paraview.org/t/particle-tracking/5981)

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**Author:** [@ValeRomano](https://discourse.paraview.org/u/ValeRomano)\
**Replies:** 1\
**Last updated:** [December 7, 2020, 4:11am UTC](https://discourse.paraview.org/t/particle-tracking/5981 "2020-12-07T04:11:18Z")

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Hi, I have multiple (hundreds) .inp files relative to particle trajectories at different time steps. I’m trying to import them all together in Paraview, since are too many. However, I’m not able to display them. How ca…

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## [Rescale Axis](https://discourse.paraview.org/t/rescale-axis/5991)

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**Author:** [@KB92](https://discourse.paraview.org/u/KB92)\
**Replies:** 0\
**Last updated:** [December 6, 2020, 1:50pm UTC](https://discourse.paraview.org/t/rescale-axis/5991 "2020-12-06T13:50:38Z")

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Hello, my data is plotted on x-axis range 0-0.5. I used transform filter to rescale my x-axis with a factor of 0.0006 and hence the x-axis range becomes 0-0.0003. But when I plot my data on the transformed x-axis I get r…

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## [Paraview script for image\_capturing and file\_saving but I can't run it on my University Server, even though all Libraries are correctly installed](https://discourse.paraview.org/t/paraview-script-for-image-capturing-and-file-saving-but-i-cant-run-it-on-my-university-server-even-though-all-libraries-are-correctly-installed/5937)

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**Author:** [@coreman](https://discourse.paraview.org/u/coreman)\
**Replies:** 3\
**Last updated:** [December 6, 2020, 10:50am UTC](https://discourse.paraview.org/t/paraview-script-for-image-capturing-and-file-saving-but-i-cant-run-it-on-my-university-server-even-though-all-libraries-are-correctly-installed/5937 "2020-12-06T10:50:46Z")

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so me and my advisor wanted to ta save some scenes from MANY data. Basically I made a trace and it does the job for the data on my PC. After running it through ssh with No-X I got this error: \<paraview.servermanager.XM…

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## [Remote Rendering (reverse connection)](https://discourse.paraview.org/t/remote-rendering-reverse-connection/5917)

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**Author:** [@tomrobin.teschner](https://discourse.paraview.org/u/tomrobin.teschner)\
**Replies:** 3\
**Last updated:** [December 4, 2020, 4:51pm UTC](https://discourse.paraview.org/t/remote-rendering-reverse-connection/5917 "2020-12-04T16:51:24Z")

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This thread is more a sanity check, I guess … I am trying to do some remote rendering on a cluster I have access to (behind a firewall), so I am trying to get the remote rendering to work (note, I am using Paraview 5.7.…

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## [v5.9 crash after calling vtk module](https://discourse.paraview.org/t/v5-9-crash-after-calling-vtk-module/5931)

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**Author:** [@Atcha-uea](https://discourse.paraview.org/u/Atcha-uea)\
**Replies:** 20\
**Last updated:** [December 4, 2020, 3:28pm UTC](https://discourse.paraview.org/t/v5-9-crash-after-calling-vtk-module/5931 "2020-12-04T15:28:32Z")

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Hello, I am using Paraview v5.9 and trying to plot stream surface using vtkStreamSurface in Paraview using Python Programmable Filter. I use the motorbike tutorial case in OpenFOAM as my data, just to try if the vtk mod…

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## [Custom Filenamesuffix (from list) in SaveData using pvbatch](https://discourse.paraview.org/t/custom-filenamesuffix-from-list-in-savedata-using-pvbatch/5707)

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**Author:** [@kirit\_101](https://discourse.paraview.org/u/kirit_101)\
**Replies:** 13\
**Last updated:** [December 4, 2020, 9:41am UTC](https://discourse.paraview.org/t/custom-filenamesuffix-from-list-in-savedata-using-pvbatch/5707 "2020-12-04T09:41:25Z")

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I have a time series dataset, I want to save slice data using SaveData method. I was able to do that using below code in pvbatch: SaveData(File\_to\_Save, proxy=slice1, WriteTimeSteps=1, Filenamesuffix=‘\_%d’, CellDat…

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## [Create a new plugin with custom property widget](https://discourse.paraview.org/t/create-a-new-plugin-with-custom-property-widget/5868)

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**Author:** [@friedenhe](https://discourse.paraview.org/u/friedenhe)\
**Replies:** 7\
**Last updated:** [December 4, 2020, 9:11am UTC](https://discourse.paraview.org/t/create-a-new-plugin-with-custom-property-widget/5868 "2020-12-04T09:11:47Z")

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Hi, I would like to write a toolbar plugin. Once clicked, it will show up some custom widgets in the property panel. These custom widgets may contain some dropdown menus and text boxes to define some simulation paramete…

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## [How to draw x, y, Z, vector point data in paraview](https://discourse.paraview.org/t/how-to-draw-x-y-z-vector-point-data-in-paraview/5962)

<div class="topic-metadata">

**Author:** [@Wendel1995l0829](https://discourse.paraview.org/u/Wendel1995l0829)\
**Replies:** 8\
**Last updated:** [December 4, 2020, 4:04am UTC](https://discourse.paraview.org/t/how-to-draw-x-y-z-vector-point-data-in-paraview/5962 "2020-12-04T04:04:27Z")

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Hello, engineer I have some important questions to ask you！ After importing the data by using the CSV file, there is a problem in the calculation of tabletopoints1 module, and the next calculation cannot be carried out…

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## [Transform geometry based on input from a table of points](https://discourse.paraview.org/t/transform-geometry-based-on-input-from-a-table-of-points/5816)

<div class="topic-metadata">

**Author:** [@Lukasz](https://discourse.paraview.org/u/Lukasz)\
**Replies:** 5\
**Last updated:** [December 3, 2020, 11:11am UTC](https://discourse.paraview.org/t/transform-geometry-based-on-input-from-a-table-of-points/5816 "2020-12-03T11:11:11Z")

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This topic appears quite often in the archives but I was not able to figure out how to do this, perhaps because I’m a total vtk/python noob. I have a geometry file (think of the VTK cow for example) and a time series of…

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## [Adding labels to points directly from a vtk file](https://discourse.paraview.org/t/adding-labels-to-points-directly-from-a-vtk-file/5964)

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**Author:** [@shakasaki](https://discourse.paraview.org/u/shakasaki)\
**Replies:** 0\
**Last updated:** [December 3, 2020, 9:44am UTC](https://discourse.paraview.org/t/adding-labels-to-points-directly-from-a-vtk-file/5964 "2020-12-03T09:44:33Z")

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Hello, I’m not sure whether this is already asked (I found a few similar postings such as here but that do not address this particular issue. I’m creating a set of points with pyvista and attaching a label to each point…

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