# ParaView Support

**URL:** https://discourse.paraview.org/c/paraview-support/7.md?page=97

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

**Page:** 98

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## [Use paraview libraries/utilities to read .plt files using python](https://discourse.paraview.org/t/use-paraview-libraries-utilities-to-read-plt-files-using-python/10390)

<div class="topic-metadata">

**Author:** [@Captain\_Convergence](https://discourse.paraview.org/u/Captain_Convergence)\
**Replies:** 0\
**Last updated:** [September 22, 2022, 5:20pm UTC](https://discourse.paraview.org/t/use-paraview-libraries-utilities-to-read-plt-files-using-python/10390 "2022-09-22T17:20:36Z")

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Dear support, I am trying to read a .plt file externally in python and I would like to know if it is possible to use libraries or utilities from Paraview to read a .plt file and import it into python workspace. It would…

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## [XDMF Blocks Property Limit](https://discourse.paraview.org/t/xdmf-blocks-property-limit/10379)

<div class="topic-metadata">

**Author:** [@theodorebaltis](https://discourse.paraview.org/u/theodorebaltis)\
**Replies:** 1\
**Last updated:** [September 22, 2022, 4:51pm UTC](https://discourse.paraview.org/t/xdmf-blocks-property-limit/10379 "2022-09-22T16:51:04Z")

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In ParaView 5.9 when I load an XDMF dataset with a lot of parts/blocks the Blocks property tree gets truncated down to only the root like seen below. By “a lot” I believe the cutoff is around 1000. Does anyone happen to…

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## [Paraview 5.10.1 arm64 crash when open xdmf file.](https://discourse.paraview.org/t/paraview-5-10-1-arm64-crash-when-open-xdmf-file/10381)

<div class="topic-metadata">

**Author:** [@Tao\_Zhang](https://discourse.paraview.org/u/Tao_Zhang)\
**Replies:** 2\
**Last updated:** [September 22, 2022, 4:36pm UTC](https://discourse.paraview.org/t/paraview-5-10-1-arm64-crash-when-open-xdmf-file/10381 "2022-09-22T16:36:05Z")

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Can someone please help me find out how to fix it? thank you! Translated Report (Full Report Below) Process: paraview \[1222\] Path: /Applications/ParaView-5.10.1.app/Contents/MacOS/paravi…

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## [Volume rendering fails to refresh.](https://discourse.paraview.org/t/volume-rendering-fails-to-refresh/10388)

<div class="topic-metadata">

**Author:** [@hxhxhx33](https://discourse.paraview.org/u/hxhxhx33)\
**Replies:** 4\
**Last updated:** [September 22, 2022, 3:50pm UTC](https://discourse.paraview.org/t/volume-rendering-fails-to-refresh/10388 "2022-09-22T15:50:13Z")

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Hi. I am following the tutorial on volume rendering, and the following is my screenshot: As you can see, when rotating the volume, previous renderings will not disappear. I simply opened the dist\_out\_ref.ex2 data and…

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## [Building ParaView 5.10.1 on a Debian 10 machine](https://discourse.paraview.org/t/building-paraview-5-10-1-on-a-debian-10-machine/10329)

<div class="topic-metadata">

**Author:** [@DeX97](https://discourse.paraview.org/u/DeX97)\
**Replies:** 5\
**Last updated:** [September 22, 2022, 3:41pm UTC](https://discourse.paraview.org/t/building-paraview-5-10-1-on-a-debian-10-machine/10329 "2022-09-22T15:41:53Z")

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Dear ParaView users, I have encountered an issue when trying to install ParaView 5.10.1 on a Debian 10 machine. I expect the issue to be an easy fix, but unfortunately I was not able to resolve it myself. To build Para…

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## [extract the outer surface of the tube and show it as a rectangular surface](https://discourse.paraview.org/t/extract-the-outer-surface-of-the-tube-and-show-it-as-a-rectangular-surface/10324)

<div class="topic-metadata">

**Author:** [@mohsen.rock](https://discourse.paraview.org/u/mohsen.rock)\
**Replies:** 9\
**Last updated:** [September 22, 2022, 10:41am UTC](https://discourse.paraview.org/t/extract-the-outer-surface-of-the-tube-and-show-it-as-a-rectangular-surface/10324 "2022-09-22T10:41:12Z")

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Dear experts, I have a 3D domain in the form of a tube (see the following figure). I would like to know if there is a way to extract the outer boundary of my tube and show it in the form of a rectangular 2D surface. Thi…

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## [get the output image export of the object in scene](https://discourse.paraview.org/t/get-the-output-image-export-of-the-object-in-scene/10384)

<div class="topic-metadata">

**Author:** [@Pravin\_Poudel](https://discourse.paraview.org/u/Pravin_Poudel)\
**Replies:** 8\
**Last updated:** [September 22, 2022, 8:54am UTC](https://discourse.paraview.org/t/get-the-output-image-export-of-the-object-in-scene/10384 "2022-09-22T08:54:03Z")

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this is my scene in one of the render view what i want to get is the output the terrain surface image only or terrain only image ( from the top view). I can see there is screenshot button in the UI. but this tak…

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## [How to extract hex element IDs within a clip](https://discourse.paraview.org/t/how-to-extract-hex-element-ids-within-a-clip/10378)

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**Author:** [@AFalk](https://discourse.paraview.org/u/AFalk)\
**Replies:** 1\
**Last updated:** [September 22, 2022, 2:43am UTC](https://discourse.paraview.org/t/how-to-extract-hex-element-ids-within-a-clip/10378 "2022-09-22T02:43:13Z")

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Hello, I have two questions regarding extracting element IDs from loaded .exodus mesh files in Paraview. First, is it possible to get a list of all element IDs within a mesh block? Second, if I clip my mesh such that on…

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## [Help documentation about the functions in Python script](https://discourse.paraview.org/t/help-documentation-about-the-functions-in-python-script/10348)

<div class="topic-metadata">

**Author:** [@ChangzhiZhai](https://discourse.paraview.org/u/ChangzhiZhai)\
**Replies:** 10\
**Last updated:** [September 21, 2022, 11:02pm UTC](https://discourse.paraview.org/t/help-documentation-about-the-functions-in-python-script/10348 "2022-09-21T23:02:32Z")

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Dear all, I’m trying to use the Python script to set plots. I started trace and got some codes of the operations. When I wanted to modify the codes, I could not find the detailed help documentations of the functions. I …

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## [How to select data on a certain surface](https://discourse.paraview.org/t/how-to-select-data-on-a-certain-surface/10361)

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**Author:** [@Miraboreasau](https://discourse.paraview.org/u/Miraboreasau)\
**Replies:** 1\
**Last updated:** [September 21, 2022, 2:00pm UTC](https://discourse.paraview.org/t/how-to-select-data-on-a-certain-surface/10361 "2022-09-21T14:00:21Z")

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Hello, I have a box, and inside the box, there is a spherical surface (The inner boundary). I applied pressure to the node on this surface Can anyone help me with how to use the data filter to only see the data for the …

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## [Colors breaking down on zoom](https://discourse.paraview.org/t/colors-breaking-down-on-zoom/10373)

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**Author:** [@davidzehner](https://discourse.paraview.org/u/davidzehner)\
**Replies:** 6\
**Last updated:** [September 21, 2022, 1:47pm UTC](https://discourse.paraview.org/t/colors-breaking-down-on-zoom/10373 "2022-09-21T13:47:56Z")

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Since I updated to version 5.11.0, I have the following problem: If applying the glyph filter, everything looks fine when zoomed out far away. But if I then zoom in, all of a sudden the coloring breaks down and it’s all …

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## [Vorticity Contour problem](https://discourse.paraview.org/t/vorticity-contour-problem/10360)

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**Author:** [@sopoyoon](https://discourse.paraview.org/u/sopoyoon)\
**Replies:** 2\
**Last updated:** [September 21, 2022, 7:21am UTC](https://discourse.paraview.org/t/vorticity-contour-problem/10360 "2022-09-21T07:21:17Z")

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Hello, everyone! I have a vti file where 2D vorticity data in. 2\_9683.vti (770.3 KB) When I try to plot the vorticity contour using contour, I was not able to select vorticity data. How do I plot the contours like th…

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## [Getting data from multiple timesteps in programmable filter](https://discourse.paraview.org/t/getting-data-from-multiple-timesteps-in-programmable-filter/10358)

<div class="topic-metadata">

**Author:** [@mersoj](https://discourse.paraview.org/u/mersoj)\
**Replies:** 1\
**Last updated:** [September 21, 2022, 3:45am UTC](https://discourse.paraview.org/t/getting-data-from-multiple-timesteps-in-programmable-filter/10358 "2022-09-21T03:45:28Z")

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As far as I can tell this question hasn’t been fully answered. I would like to do some operation that uses the state from two adjacent timesteps. And hopefully be able to do this for all sets of adjacent timesteps in my …

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## [Ubuntu 20.04.3 LTS, , qt.qpa.plugin: Could not load the Qt platform plugin "xcb" in "" even though it was found.](https://discourse.paraview.org/t/ubuntu-20-04-3-lts-qt-qpa-plugin-could-not-load-the-qt-platform-plugin-xcb-in-even-though-it-was-found/8203)

<div class="topic-metadata">

**Author:** [@proxy](https://discourse.paraview.org/u/proxy)\
**Replies:** 4\
**Last updated:** [September 20, 2022, 7:12pm UTC](https://discourse.paraview.org/t/ubuntu-20-04-3-lts-qt-qpa-plugin-could-not-load-the-qt-platform-plugin-xcb-in-even-though-it-was-found/8203 "2022-09-20T19:12:07Z")

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Hello Experts, Previously, the Paraview was working nicely some days ago and suddenly it stopped with the following errors: qt.qpa.plugin: Could not load the Qt platform plugin "xcb" in "" even though it was found. Thi…

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## [Controlling the order that widgets appear in the GUI for a Python algorithm plugin](https://discourse.paraview.org/t/controlling-the-order-that-widgets-appear-in-the-gui-for-a-python-algorithm-plugin/10003)

<div class="topic-metadata">

**Author:** [@lpalmstrom](https://discourse.paraview.org/u/lpalmstrom)\
**Replies:** 5\
**Last updated:** [September 19, 2022, 4:51pm UTC](https://discourse.paraview.org/t/controlling-the-order-that-widgets-appear-in-the-gui-for-a-python-algorithm-plugin/10003 "2022-09-19T16:51:46Z")

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I have created a plugin using the Python algorithm. It has five different UI widgets created by using @smproperty and @smdomain decorators with three of the widgets set as boolean checkboxes, one widget set as a double v…

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## [Standardizing plots in paraview](https://discourse.paraview.org/t/standardizing-plots-in-paraview/10335)

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**Author:** [@dashp7](https://discourse.paraview.org/u/dashp7)\
**Replies:** 8\
**Last updated:** [September 19, 2022, 2:56pm UTC](https://discourse.paraview.org/t/standardizing-plots-in-paraview/10335 "2022-09-19T14:56:17Z")

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Hi, Query 1 → I have a dataset obtained from a fluid simulation with velocities, temperature, pressure and mass fractions. I want to generate plots where each of the following attributes varies with the variable being p…

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## [stl file tied to motions time series](https://discourse.paraview.org/t/stl-file-tied-to-motions-time-series/10295)

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**Author:** [@irenerar](https://discourse.paraview.org/u/irenerar)\
**Replies:** 26\
**Last updated:** [September 19, 2022, 8:23am UTC](https://discourse.paraview.org/t/stl-file-tied-to-motions-time-series/10295 "2022-09-19T08:23:12Z")

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I would like to have a stl file (which represents a solid rigid) which follows the motions of another rigid object attached to it, for which I have time history of the displacement. Is there a simple way to do it?

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## [Surface representation from 3D points](https://discourse.paraview.org/t/surface-representation-from-3d-points/10345)

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**Author:** [@Michael\_Bohanan](https://discourse.paraview.org/u/Michael_Bohanan)\
**Replies:** 1\
**Last updated:** [September 19, 2022, 1:55am UTC](https://discourse.paraview.org/t/surface-representation-from-3d-points/10345 "2022-09-19T01:55:28Z")

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Hi there folks. I’m trying to have a surface representation from a 3D point cloud of a spring. Simply selecting the ‘surface’ option leads to something that’s almost great- expect it extrapolates the spring edges to conn…

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## [Paraview 5.10.1 support for nastran](https://discourse.paraview.org/t/paraview-5-10-1-support-for-nastran/10342)

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**Author:** [@Avinash147](https://discourse.paraview.org/u/Avinash147)\
**Replies:** 1\
**Last updated:** [September 16, 2022, 11:54pm UTC](https://discourse.paraview.org/t/paraview-5-10-1-support-for-nastran/10342 "2022-09-16T23:54:59Z")

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Hello, I got some old Nastran files in Paraview forum and tried to follow the same procedure as mentioned in the below image(Ref image attached below) I am using Paraview version 5.10.1 and not able to get stresses …

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## [Paraview 5.11.0-RC1 - Crash on startup on Ubuntu 20.04](https://discourse.paraview.org/t/paraview-5-11-0-rc1-crash-on-startup-on-ubuntu-20-04/10341)

<div class="topic-metadata">

**Author:** [@Nicholas\_Yue](https://discourse.paraview.org/u/Nicholas_Yue)\
**Replies:** 1\
**Last updated:** [September 16, 2022, 5:03pm UTC](https://discourse.paraview.org/t/paraview-5-11-0-rc1-crash-on-startup-on-ubuntu-20-04/10341 "2022-09-16T17:03:04Z")

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Hi, I am hoping to try out 5.11.0-RC1 but I got this immediately upon starting paraview alloc(): invalid size (unsorted) Loguru caught a signal: SIGABRT Cheers

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## [contour tree arc is straight line and not smooth](https://discourse.paraview.org/t/contour-tree-arc-is-straight-line-and-not-smooth/10340)

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**Author:** [@Pravin\_Poudel](https://discourse.paraview.org/u/Pravin_Poudel)\
**Replies:** 2\
**Last updated:** [September 16, 2022, 2:50pm UTC](https://discourse.paraview.org/t/contour-tree-arc-is-straight-line-and-not-smooth/10340 "2022-09-16T14:50:36Z")

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This is the kind of contour line that i expect to get from the contour tree generation filer (FTM) but sadly what i am getting is like this which is not smooth !!! In the video there is input field to input arc s…

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## [Threshold of Vertex Data](https://discourse.paraview.org/t/threshold-of-vertex-data/10310)

<div class="topic-metadata">

**Author:** [@Michael\_Jackson](https://discourse.paraview.org/u/Michael_Jackson)\
**Replies:** 1\
**Last updated:** [September 16, 2022, 10:24am UTC](https://discourse.paraview.org/t/threshold-of-vertex-data/10310 "2022-09-16T10:24:04Z")

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I have a PolyVertex dataset that has an integer as a value on each vertex. For a simplified test case, here is a file that demonstrates my issue: # vtk DataFile Version 1.0 Cube example ASCII DATASET POLYDATA POINTS 8…

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## [Adding Multiple Data Columns to an Existing .VTU File](https://discourse.paraview.org/t/adding-multiple-data-columns-to-an-existing-vtu-file/10333)

<div class="topic-metadata">

**Author:** [@ABAM](https://discourse.paraview.org/u/ABAM)\
**Replies:** 4\
**Last updated:** [September 16, 2022, 5:56am UTC](https://discourse.paraview.org/t/adding-multiple-data-columns-to-an-existing-vtu-file/10333 "2022-09-16T05:56:54Z")

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Dear experts, I need to add multiple data columns to an existing .VTU file. I have a .dat file that includes 200 columns and 1000 rows, and I need to add them the existing VTU file with 200 names like sp1, sp2,…sp200. …

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## [Creating 3D VTK and VTU](https://discourse.paraview.org/t/creating-3d-vtk-and-vtu/10334)

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**Author:** [@ABAM](https://discourse.paraview.org/u/ABAM)\
**Replies:** 4\
**Last updated:** [September 16, 2022, 5:48am UTC](https://discourse.paraview.org/t/creating-3d-vtk-and-vtu/10334 "2022-09-16T05:48:51Z")

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Hi, I have the following geometric data, and I need to create a VTK file. nlay, ncol, nrow, delr, delc, top(layered), bot(layered) Thanks in advance,

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## [Problem with Paraview reading direction dependent degrees for a \`VTK\_LAGRANGE\_QUADRILATERAL\`](https://discourse.paraview.org/t/problem-with-paraview-reading-direction-dependent-degrees-for-a-vtk-lagrange-quadrilateral/10246)

<div class="topic-metadata">

**Author:** [@lcw](https://discourse.paraview.org/u/lcw)\
**Replies:** 1\
**Last updated:** [September 15, 2022, 8:58pm UTC](https://discourse.paraview.org/t/problem-with-paraview-reading-direction-dependent-degrees-for-a-vtk-lagrange-quadrilateral/10246 "2022-09-15T20:58:02Z")

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Dear Paraview Community, I am having problems loading the following data in Paraview that contains direction dependent degrees for a VTK\_LAGRANGE\_QUADRILATERAL. \<VTKFile type="UnstructuredGrid" version="1.0" byte\_order…

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## [What algorithm is used for Connectivity Filter](https://discourse.paraview.org/t/what-algorithm-is-used-for-connectivity-filter/10327)

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**Author:** [@kylebeggs](https://discourse.paraview.org/u/kylebeggs)\
**Replies:** 1\
**Last updated:** [September 15, 2022, 3:07pm UTC](https://discourse.paraview.org/t/what-algorithm-is-used-for-connectivity-filter/10327 "2022-09-15T15:07:00Z")

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As the title says, I wish to know what algorithm the connectivity filter uses. Is there any way to find out or is it a custom Kitware algorithm?

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## [Loading SHP files](https://discourse.paraview.org/t/loading-shp-files/8028)

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**Author:** [@natetron](https://discourse.paraview.org/u/natetron)\
**Replies:** 8\
**Last updated:** [September 15, 2022, 2:42pm UTC](https://discourse.paraview.org/t/loading-shp-files/8028 "2022-09-15T14:42:28Z")

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I am new to ParaView. I am rendering 3D images of a complex groundwater flow model. I would like to load some SHP files and have them overlay the top elevation of the model (i.e., land surface). These SHP files would be …

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## [Wrap Plugin with python for superbuild](https://discourse.paraview.org/t/wrap-plugin-with-python-for-superbuild/10315)

<div class="topic-metadata">

**Author:** [@StRuoff](https://discourse.paraview.org/u/StRuoff)\
**Replies:** 12\
**Last updated:** [September 15, 2022, 1:40pm UTC](https://discourse.paraview.org/t/wrap-plugin-with-python-for-superbuild/10315 "2022-09-15T13:40:37Z")

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Hello ParaView-Community, I started building my paraview plugin using the paraview-easy-plugin-builder. I successfully build my plugin and also tested it in the corresponding paraview release (5.10.0). However, I could…

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## [How to discover if a filter is legal within a trace?](https://discourse.paraview.org/t/how-to-discover-if-a-filter-is-legal-within-a-trace/10267)

<div class="topic-metadata">

**Author:** [@wascott](https://discourse.paraview.org/u/wascott)\
**Replies:** 3\
**Last updated:** [September 15, 2022, 1:19pm UTC](https://discourse.paraview.org/t/how-to-discover-if-a-filter-is-legal-within-a-trace/10267 "2022-09-15T13:19:03Z")

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I have a user asking how to tell if a filter, to be used in a Python trace, is legal? In other words, if the user were using the GUI illegal filters would be grayed out. Is it possible to find this information within a…

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## [model creation and slicing using data points](https://discourse.paraview.org/t/model-creation-and-slicing-using-data-points/10323)

<div class="topic-metadata">

**Author:** [@varghese\_Mathew](https://discourse.paraview.org/u/varghese_Mathew)\
**Replies:** 1\
**Last updated:** [September 15, 2022, 11:36am UTC](https://discourse.paraview.org/t/model-creation-and-slicing-using-data-points/10323 "2022-09-15T11:36:12Z")

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hi i have a data set in format x y z htc with values as columns i want to import this in paraview, construct the 3d figure using x,y,z and slice and take htc value of slice at certain interval and plot . how to do t…

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