# ParaView Support

**URL:** https://discourse.paraview.org/c/paraview-support/7.md?page=205

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**Page:** 206

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## [Running Python without opening shell in Paraview GUI from Bash](https://discourse.paraview.org/t/running-python-without-opening-shell-in-paraview-gui-from-bash/2363)

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**Author:** [@tejas.canchi](https://discourse.paraview.org/u/tejas.canchi)\
**Replies:** 3\
**Last updated:** [August 12, 2019, 8:42am UTC](https://discourse.paraview.org/t/running-python-without-opening-shell-in-paraview-gui-from-bash/2363 "2019-08-12T08:42:37Z")

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Hello I want to run a bash file in which I open up Paraview and run a series of filters from the script. How do I do that? Thanks Tejas

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## [Custom Version of AppendArcLength](https://discourse.paraview.org/t/custom-version-of-appendarclength/2398)

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**Author:** [@momentumv](https://discourse.paraview.org/u/momentumv)\
**Replies:** 0\
**Last updated:** [August 9, 2019, 7:27pm UTC](https://discourse.paraview.org/t/custom-version-of-appendarclength/2398 "2019-08-09T19:27:46Z")

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I have a set of polylines from a streamtracer with custom source. I have successfully used the AppendArcLength and computed an inverse velocity (s/m) for each point. What I would like to do is to be able to appendFlightT…

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## [LoadState throws "AttributeError: ... Use add\_attribute() if you really want to add this attribute."](https://discourse.paraview.org/t/loadstate-throws-attributeerror-use-add-attribute-if-you-really-want-to-add-this-attribute/2395)

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**Author:** [@bastian](https://discourse.paraview.org/u/bastian)\
**Replies:** 3\
**Last updated:** [August 9, 2019, 6:11pm UTC](https://discourse.paraview.org/t/loadstate-throws-attributeerror-use-add-attribute-if-you-really-want-to-add-this-attribute/2395 "2019-08-09T18:11:28Z")

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I’m in ParaView 5.7.0-RC1. I’m using Tools → Start Trace to obtain a starting point for a batch script. Next I load a state in the GUI and select the option “Choose File Names”. This produces the following line in th…

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## [How to Load data with GDAL](https://discourse.paraview.org/t/how-to-load-data-with-gdal/1184)

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**Author:** [@pallen](https://discourse.paraview.org/u/pallen)\
**Replies:** 12\
**Last updated:** [August 9, 2019, 1:59pm UTC](https://discourse.paraview.org/t/how-to-load-data-with-gdal/1184 "2019-08-09T13:59:29Z")

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Hi all, I am just getting started with ParaView and am interested in working with my GIS (Geochemical/Geology/Mining) data. Much is stored in my PostgreSQL/PostGIS database. I see that ParaView can import/load data us…

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## [Paraview crashing while opening a legacy .vti file](https://discourse.paraview.org/t/paraview-crashing-while-opening-a-legacy-vti-file/2392)

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**Author:** [@ShashiRatnakar](https://discourse.paraview.org/u/ShashiRatnakar)\
**Replies:** 0\
**Last updated:** [August 9, 2019, 1:48pm UTC](https://discourse.paraview.org/t/paraview-crashing-while-opening-a-legacy-vti-file/2392 "2019-08-09T13:48:31Z")

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Hello, I’ve created a .vti legacy file using C. It contains an unstructured grid with 90 POINTS(nodes), and 36 CELLS(elements). Each CELL is made of 8 POINTS. Each time I open Paraview and click on my .vti file to open…

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## [Guidance in Creating a new surface plane at a fixed distance above the boundary terrain and creating surface LIC on this](https://discourse.paraview.org/t/guidance-in-creating-a-new-surface-plane-at-a-fixed-distance-above-the-boundary-terrain-and-creating-surface-lic-on-this/2390)

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**Author:** [@MVT](https://discourse.paraview.org/u/MVT)\
**Replies:** 0\
**Last updated:** [August 9, 2019, 1:16pm UTC](https://discourse.paraview.org/t/guidance-in-creating-a-new-surface-plane-at-a-fixed-distance-above-the-boundary-terrain-and-creating-surface-lic-on-this/2390 "2019-08-09T13:16:53Z")

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Hello All, I need a help. Can someone guide me as to how to create a new surface plane that is at a fixed distance from the boundary (a terrain in my case)? I have a boundary (a terrain with varying altitude as represen…

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## [can not visualize paraview, doid get any errors command](https://discourse.paraview.org/t/can-not-visualize-paraview-doid-get-any-errors-command/2376)

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**Author:** [@Vaya\_Putra](https://discourse.paraview.org/u/Vaya_Putra)\
**Replies:** 1\
**Last updated:** [August 8, 2019, 7:03pm UTC](https://discourse.paraview.org/t/can-not-visualize-paraview-doid-get-any-errors-command/2376 "2019-08-08T19:03:21Z")

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hi i make fine grid consist of 10000 cells and 20402 points(100x100x1) i define all properties offset,connectivity and types. and i did get command error, but when i visualize in paraview always like exit automatic si…

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## [Custom filters problems](https://discourse.paraview.org/t/custom-filters-problems/2373)

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**Author:** [@mark\_collier](https://discourse.paraview.org/u/mark_collier)\
**Replies:** 9\
**Last updated:** [August 8, 2019, 8:18am UTC](https://discourse.paraview.org/t/custom-filters-problems/2373 "2019-08-08T08:18:29Z")

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Hi, I’m using paraview 5.6.0 on macOS. I am trying to get custom filters to perform multiple mundane tasks like add 3d text or lines (sources) to a plot. I highlight the items in the pipeline browser (usually a sequence …

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## [Creating multiblock structured grid nodes in Catalyst Adapter](https://discourse.paraview.org/t/creating-multiblock-structured-grid-nodes-in-catalyst-adapter/2331)

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**Author:** [@kschau](https://discourse.paraview.org/u/kschau)\
**Replies:** 1\
**Last updated:** [August 7, 2019, 10:21pm UTC](https://discourse.paraview.org/t/creating-multiblock-structured-grid-nodes-in-catalyst-adapter/2331 "2019-08-07T22:21:27Z")

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I am attempting to implement Catalyst into a parallel, multiblock, structured grid solver (written in F90). I am beginning with the Catalyst-v5.6.1-Base-Enable-Python-Essentials-Extras.tar.gz package (which built just fi…

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## [Brushing and linking (InfoVis)](https://discourse.paraview.org/t/brushing-and-linking-infovis/2378)

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**Author:** [@fourough\_gharbalchi](https://discourse.paraview.org/u/fourough_gharbalchi)\
**Replies:** 3\
**Last updated:** [August 7, 2019, 9:46pm UTC](https://discourse.paraview.org/t/brushing-and-linking-infovis/2378 "2019-08-07T21:46:57Z")

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Hi, I wonder if it is possible to brush and link multiple views together using paraviewweb and Divvy. I couldn’t find any documentation regarding to this. Fourough

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## [Data file format for 3D view and time line](https://discourse.paraview.org/t/data-file-format-for-3d-view-and-time-line/2375)

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**Author:** [@ChrisRay](https://discourse.paraview.org/u/ChrisRay)\
**Replies:** 5\
**Last updated:** [August 7, 2019, 5:07pm UTC](https://discourse.paraview.org/t/data-file-format-for-3d-view-and-time-line/2375 "2019-08-07T17:07:02Z")

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Hello I am a new user of paraview and I have a question about the format of datas files. I have a series of 3D dots in an XYZ landmark and for each point I have a daily temperature measurement. I would like to visuali…

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## [Differences between Field association and Attribute type data types](https://discourse.paraview.org/t/differences-between-field-association-and-attribute-type-data-types/2372)

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**Author:** [@Kai\_himself](https://discourse.paraview.org/u/Kai_himself)\
**Replies:** 0\
**Last updated:** [August 6, 2019, 7:23pm UTC](https://discourse.paraview.org/t/differences-between-field-association-and-attribute-type-data-types/2372 "2019-08-06T19:23:26Z")

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Hey Forum, i got a question, and i found no answer in the paraview guide. For my evaluation i used the LineChartView. At the Properties of the LineChartView are two ComboBoxes, Field association with the options Point…

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## [GMV Reader Gone?](https://discourse.paraview.org/t/gmv-reader-gone/2361)

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**Author:** [@mnucci32](https://discourse.paraview.org/u/mnucci32)\
**Replies:** 2\
**Last updated:** [August 5, 2019, 11:51pm UTC](https://discourse.paraview.org/t/gmv-reader-gone/2361 "2019-08-05T23:51:01Z")

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I recently upgraded to version 5.6.1 from 5.2.0 using the pre-built Windows binary. I’ve found that the GMV file reader seems to be missing in 5.6.1, whereas it is present in 5.2.0. Has support for reading GMV files been…

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## [Unable to load CGNS file](https://discourse.paraview.org/t/unable-to-load-cgns-file/2026)

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**Author:** [@amtri](https://discourse.paraview.org/u/amtri)\
**Replies:** 1\
**Last updated:** [August 5, 2019, 7:48pm UTC](https://discourse.paraview.org/t/unable-to-load-cgns-file/2026 "2019-08-05T19:48:02Z")

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Hello, I have a CGNS file built with CGNS 3.3.1 and with HDF5 version 1.10.5. The file consists of polyhedra with polygonal boundaries - i.e., NFACE\_n and NGON\_n. Paraview is unable to read the file. If I convert it to…

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## [unable to change the source file using python](https://discourse.paraview.org/t/unable-to-change-the-source-file-using-python/478)

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**Author:** [@pcrepier](https://discourse.paraview.org/u/pcrepier)\
**Replies:** 4\
**Last updated:** [August 5, 2019, 7:39pm UTC](https://discourse.paraview.org/t/unable-to-change-the-source-file-using-python/478 "2019-08-05T19:39:17Z")

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Hi everyone, Currently using the version 5.5.0, I tried modifying the filename of the source file in my pipeline. However, updating the pipeline does not seem to trigger the source to re-read the data. This was working …

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## [Multi Client Support](https://discourse.paraview.org/t/multi-client-support/2352)

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**Author:** [@Frontier](https://discourse.paraview.org/u/Frontier)\
**Replies:** 3\
**Last updated:** [August 5, 2019, 8:43am UTC](https://discourse.paraview.org/t/multi-client-support/2352 "2019-08-05T08:43:31Z")

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We are looking into using ParaView for a multi user production system. There is an array of up to 10 datasets, each about 10Gb. The datasets represent a volume with internal cells representing quality information. The…

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## [MobileRemoteControl plugin in newer versions of ParaView (5.0+ )](https://discourse.paraview.org/t/mobileremotecontrol-plugin-in-newer-versions-of-paraview-5-0/2322)

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**Author:** [@leopessanha](https://discourse.paraview.org/u/leopessanha)\
**Replies:** 2\
**Last updated:** [August 2, 2019, 6:31pm UTC](https://discourse.paraview.org/t/mobileremotecontrol-plugin-in-newer-versions-of-paraview-5-0/2322 "2019-08-02T18:31:28Z")

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Hi! Had the MobileRemoteControl plugin been discontinued after ParaView version 4.4? Is there a way to get it working in the newer versions? p.s.: It’s a great tool! I miss it in the newer versions!

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## [streamlines to clip a field](https://discourse.paraview.org/t/streamlines-to-clip-a-field/2268)

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**Author:** [@momentumv](https://discourse.paraview.org/u/momentumv)\
**Replies:** 3\
**Last updated:** [August 2, 2019, 2:38pm UTC](https://discourse.paraview.org/t/streamlines-to-clip-a-field/2268 "2019-08-02T14:38:49Z")

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I am not sure if there is a way to do this, but I thought I’d ask. I have a streamline with custom source filter that is working wonderfully, and because of my dense meshing on the custom source produces a wonderfully d…

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## [Velocity streamlines around a bubble on a Quadtree Grid](https://discourse.paraview.org/t/velocity-streamlines-around-a-bubble-on-a-quadtree-grid/2106)

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**Author:** [@aniruddha](https://discourse.paraview.org/u/aniruddha)\
**Replies:** 5\
**Last updated:** [August 2, 2019, 2:37pm UTC](https://discourse.paraview.org/t/velocity-streamlines-around-a-bubble-on-a-quadtree-grid/2106 "2019-08-02T14:37:56Z")

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Hi PViewers, I have a 2D case of bubble rise. I make use of adaptive grid which is based on quadtree data structure. It’s an unstructured vtu format file (sample attached). I need to visualise the streamlines as shown …

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## [Animation with Cell/Point Array Status](https://discourse.paraview.org/t/animation-with-cell-point-array-status/2326)

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**Author:** [@Perchero](https://discourse.paraview.org/u/Perchero)\
**Replies:** 1\
**Last updated:** [August 2, 2019, 7:28am UTC](https://discourse.paraview.org/t/animation-with-cell-point-array-status/2326 "2019-08-02T07:28:49Z")

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Hi, I’m really new to Paraview and I’m trying to make an animation from a single file (cannot change that source file) with 24 Cell/Point Array in it. Each point has the coloring information of the structure and when I c…

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## [how to use paraview PDAL las reader](https://discourse.paraview.org/t/how-to-use-paraview-pdal-las-reader/2349)

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**Author:** [@seasonsfx](https://discourse.paraview.org/u/seasonsfx)\
**Replies:** 3\
**Last updated:** [August 2, 2019, 7:24am UTC](https://discourse.paraview.org/t/how-to-use-paraview-pdal-las-reader/2349 "2019-08-02T07:24:23Z")

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I noticed that since paraview version 5.6.0, PDAL point cloud reader has been added.But when I use paraview to open a las file, it seems still using libLAS reader to load the file, which only give me the color and intens…

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## [transparant object](https://discourse.paraview.org/t/transparant-object/2338)

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**Author:** [@rahul](https://discourse.paraview.org/u/rahul)\
**Replies:** 5\
**Last updated:** [August 2, 2019, 7:05am UTC](https://discourse.paraview.org/t/transparant-object/2338 "2019-08-02T07:05:08Z")

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Dear sir I am doing DEM simulation in LIGGGHTS and while analyzing the result, I want to make the geometry transparent. But while changing the Opacity less the 1.0 the geometry completely disappears.

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## [Metrical unit in paraview](https://discourse.paraview.org/t/metrical-unit-in-paraview/2339)

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**Author:** [@cfedon](https://discourse.paraview.org/u/cfedon)\
**Replies:** 2\
**Last updated:** [August 1, 2019, 1:19pm UTC](https://discourse.paraview.org/t/metrical-unit-in-paraview/2339 "2019-08-01T13:19:22Z")

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Hi all, I am trying to upload two 3D .tiff images on paraview to make a visual comparison. These images have a different number of voxels and a different voxel size, but eventually the dimension should be “equal” or, a…

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## [compute tangential and normal coordinate system](https://discourse.paraview.org/t/compute-tangential-and-normal-coordinate-system/2328)

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**Author:** [@domingo](https://discourse.paraview.org/u/domingo)\
**Replies:** 2\
**Last updated:** [July 31, 2019, 2:58pm UTC](https://discourse.paraview.org/t/compute-tangential-and-normal-coordinate-system/2328 "2019-07-31T14:58:03Z")

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Hi guys This is my first post and I would like to know how to compute variables using tangential and normal coordinates. I have results from a 2D fsi collapsable channel and I need to transform the stress tensor from ca…

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## [Issue with opacity setting through Trace option](https://discourse.paraview.org/t/issue-with-opacity-setting-through-trace-option/2302)

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**Author:** [@benoitpaillard](https://discourse.paraview.org/u/benoitpaillard)\
**Replies:** 10\
**Last updated:** [July 31, 2019, 8:16am UTC](https://discourse.paraview.org/t/issue-with-opacity-setting-through-trace-option/2302 "2019-07-31T08:16:10Z")

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Hi all, I found a buggy behavior when using the “start Trace” method to script a process. Getting a screenshot with a modified opacity gives an empty window when using Trace in 5.6, try script attached. Using save stat…

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## [Velocity vector as a quiver3d in ParaView](https://discourse.paraview.org/t/velocity-vector-as-a-quiver3d-in-paraview/2296)

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**Author:** [@Misha](https://discourse.paraview.org/u/Misha)\
**Replies:** 7\
**Last updated:** [July 31, 2019, 8:15am UTC](https://discourse.paraview.org/t/velocity-vector-as-a-quiver3d-in-paraview/2296 "2019-07-31T08:15:31Z")

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Hi, I found a way to create a quiver3d representation of the velocity field in ParaView using the regular Gliph filter. I changed the Gliph Mode to Every Nth Point (and change the Stride) or all points. I used the 2d Gl…

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## [LagrangianParticleTracker with offscreen rendering](https://discourse.paraview.org/t/lagrangianparticletracker-with-offscreen-rendering/2319)

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**Author:** [@asmith](https://discourse.paraview.org/u/asmith)\
**Replies:** 1\
**Last updated:** [July 31, 2019, 7:53am UTC](https://discourse.paraview.org/t/lagrangianparticletracker-with-offscreen-rendering/2319 "2019-07-31T07:53:42Z")

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I would like to use offscreen rendering with the LagrangianParticleTracker plugin but when I configure with: PARAVIEW\_BUILD\_QT\_GUI OFF the LagrangianParticleTracker plugin is no longer an option. Additionally, the Lag…

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## [Converting .vtk to .vtu files](https://discourse.paraview.org/t/converting-vtk-to-vtu-files/2317)

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**Author:** [@Raychel\_Bahnick](https://discourse.paraview.org/u/Raychel_Bahnick)\
**Replies:** 1\
**Last updated:** [July 30, 2019, 2:34pm UTC](https://discourse.paraview.org/t/converting-vtk-to-vtu-files/2317 "2019-07-30T14:34:40Z")

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I have all of my current files in .vtk format with a rectilinear grid. Is there an easy way to convert each of these files into .vtu files? Thank you

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## [Lighting not disabled for slice representation](https://discourse.paraview.org/t/lighting-not-disabled-for-slice-representation/2321)

<div class="topic-metadata">

**Author:** [@bastian](https://discourse.paraview.org/u/bastian)\
**Replies:** 4\
**Last updated:** [July 30, 2019, 2:22pm UTC](https://discourse.paraview.org/t/lighting-not-disabled-for-slice-representation/2321 "2019-07-30T14:22:58Z")

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Contradictory to the release notes of version 5.6, Lighting on the Slice representation had the undesirable effect of darkening the slice with the default light, which is off center with respect to the view and focal p…

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## [Streamlines on transformed domain?](https://discourse.paraview.org/t/streamlines-on-transformed-domain/2313)

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**Author:** [@Mariana\_Rodriguez](https://discourse.paraview.org/u/Mariana_Rodriguez)\
**Replies:** 1\
**Last updated:** [July 30, 2019, 2:06pm UTC](https://discourse.paraview.org/t/streamlines-on-transformed-domain/2313 "2019-07-30T14:06:10Z")

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Hello, I have a very thin domain. For this reason I stretched it using the Transform filter. I am trying to draw the streamlines over the transformed domain. However, preview shows the streamlines in the original doma…

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