# \#proposal

**URL:** https://discourse.paraview.org/tag/proposal/16.md

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

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## [Proposal : Redesign the UI of ParaView](https://discourse.paraview.org/t/proposal-redesign-the-ui-of-paraview/17676)

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**Author:** [@lucas.gottar](https://discourse.paraview.org/u/lucas.gottar)\
**Replies:** 6\
**Last updated:** [September 17, 2026, 7:46am UTC](https://discourse.paraview.org/t/proposal-redesign-the-ui-of-paraview/17676 "2026-09-17T07:46:06Z")

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I feel like the UI of ParaView seems a bit old. Indeed it uses all Qt elements by default without any customization. Elements are also all packed together and the widgets have no space to “breath”. Modernizing the design…

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## [Slice: Render Implicit Cylindrical Surface](https://discourse.paraview.org/t/slice-render-implicit-cylindrical-surface/17717)

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**Author:** [@Raphael\_Bevand](https://discourse.paraview.org/u/Raphael_Bevand)\
**Replies:** 6\
**Last updated:** [September 10, 2026, 1:12pm UTC](https://discourse.paraview.org/t/slice-render-implicit-cylindrical-surface/17717 "2026-09-10T13:12:37Z")

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Dear vtk/paraview developers, in newer versions of ParaView (currently I use version 6.1.1), the slice filter only shows partially or not at all the implicit surface handles (the red edges and white transparent surface …

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## [Proposal : Add settings presets](https://discourse.paraview.org/t/proposal-add-settings-presets/17702)

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**Author:** [@corentin.munoz](https://discourse.paraview.org/u/corentin.munoz)\
**Replies:** 5\
**Last updated:** [September 4, 2026, 9:51am UTC](https://discourse.paraview.org/t/proposal-add-settings-presets/17702 "2026-09-04T09:51:34Z")

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Hi everyone, ParaView has a lot of settings and properties to configure how you want your data to be rendered, and it can be quite hard to find the perfect settings. Some of you might have written down a collection of s…

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## [Proposal : Improve toolbar](https://discourse.paraview.org/t/proposal-improve-toolbar/17677)

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**Author:** [@lucas.gottar](https://discourse.paraview.org/u/lucas.gottar)\
**Replies:** 6\
**Last updated:** [August 24, 2026, 2:15pm UTC](https://discourse.paraview.org/t/proposal-improve-toolbar/17677 "2026-08-24T14:15:27Z")

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The toolbar of ParaView is overloaded to me, there are too many buttons that are always present and for some views of ParaView, almost all button turns gray. I think there are a lot of improvement to bring to this toolba…

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## [Proposal : Improve Properties Panels](https://discourse.paraview.org/t/proposal-improve-properties-panels/17675)

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**Author:** [@lucas.gottar](https://discourse.paraview.org/u/lucas.gottar)\
**Replies:** 13\
**Last updated:** [August 24, 2026, 2:10pm UTC](https://discourse.paraview.org/t/proposal-improve-properties-panels/17675 "2026-08-24T14:10:41Z")

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For me, there are too much information in the properties panel and some filters might be hard to understand. I think there are a lot to improve in the properties panel but for now I will focus on the properties group. W…

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## [Proposal: Enhance/Generalize Filter Search](https://discourse.paraview.org/t/proposal-enhance-generalize-filter-search/17681)

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**Author:** [@theodorebaltis](https://discourse.paraview.org/u/theodorebaltis)\
**Replies:** 12\
**Last updated:** [August 24, 2026, 8:12am UTC](https://discourse.paraview.org/t/proposal-enhance-generalize-filter-search/17681 "2026-08-24T08:12:58Z")

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One of my favorite UI/UX aspects of ParaView is the filter search menu (Ctrl+Space on Windows). and with the recent discussions about various improvements I started thinking about if this quick search could be even bette…

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## [Proposal : Improve the Welcome Page](https://discourse.paraview.org/t/proposal-improve-the-welcome-page/17674)

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**Author:** [@lucas.gottar](https://discourse.paraview.org/u/lucas.gottar)\
**Replies:** 9\
**Last updated:** [August 12, 2026, 3:45pm UTC](https://discourse.paraview.org/t/proposal-improve-the-welcome-page/17674 "2026-08-12T15:45:13Z")

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The Welcome Page of ParaView doesn’t offer any functionality other than seeing visualization examples and getting started guide. So, this page doens’t seem very relevant to ParaView users. We could use this welcome p…

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## [Deprecating MultiBlock datasets](https://discourse.paraview.org/t/deprecating-multiblock-datasets/4950)

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**Author:** [@utkarsh.ayachit](https://discourse.paraview.org/u/utkarsh.ayachit)\
**Replies:** 52\
**Last updated:** [May 11, 2026, 1:35pm UTC](https://discourse.paraview.org/t/deprecating-multiblock-datasets/4950 "2026-05-11T13:35:49Z")

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Multiblock Datasets (vtkMultiBlockDataSet) have been used in ParaView for representing a collection of datasets. Besides being a container for multiple datasets, called blocks, it also lets us define relationships betwee…

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## [CMake description of ParaView 6.x dose not match the actual requirements about Python.](https://discourse.paraview.org/t/cmake-description-of-paraview-6-x-dose-not-match-the-actual-requirements-about-python/17552)

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**Author:** [@earth2001y](https://discourse.paraview.org/u/earth2001y)\
**Replies:** 6\
**Last updated:** [May 8, 2026, 12:55am UTC](https://discourse.paraview.org/t/cmake-description-of-paraview-6-x-dose-not-match-the-actual-requirements-about-python/17552 "2026-05-08T00:55:17Z")

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pvpython of ParaView 6.1 build from source code on Rocky Linux 8 doesn’t work import paraview.simple with following message. \>\>\> import paraview.simple Traceback (most recent call last): File "\<stdin\>", line 1, in \<mo…

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## [Implementing \`.series\` support for ExodusII](https://discourse.paraview.org/t/implementing-series-support-for-exodusii/17425)

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**Author:** [@drwells](https://discourse.paraview.org/u/drwells)\
**Replies:** 0\
**Last updated:** [February 3, 2026, 8:04am UTC](https://discourse.paraview.org/t/implementing-series-support-for-exodusii/17425 "2026-02-03T08:04:35Z")

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Hello! While I could use .ex-timeseries, I’d prefer to use the newer .series syntax. I tried adding this myself by following the approach in https://gitlab.kitware.com/paraview/paraview/-/merge\_requests/2532 (i.e., by ad…

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## [Remember the most recent opened directory](https://discourse.paraview.org/t/remember-the-most-recent-opened-directory/17368)

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**Author:** [@CsatiZoltan](https://discourse.paraview.org/u/CsatiZoltan)\
**Replies:** 2\
**Last updated:** [December 12, 2025, 12:31pm UTC](https://discourse.paraview.org/t/remember-the-most-recent-opened-directory/17368 "2025-12-12T12:31:53Z")

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Hi, I noticed that ParaView (and CMB too) does not remember the most recently opened directory after a restart. I.e. when you click on File → Open…, it offers the same default directory (which is $HOME on my machine). I…

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## [ParaView Async: update on on-going efforts](https://discourse.paraview.org/t/paraview-async-update-on-on-going-efforts/9214)

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**Author:** [@utkarsh.ayachit](https://discourse.paraview.org/u/utkarsh.ayachit)\
**Replies:** 18\
**Last updated:** [December 1, 2025, 1:26pm UTC](https://discourse.paraview.org/t/paraview-async-update-on-on-going-efforts/9214 "2025-12-01T13:26:28Z")

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Those who scanned through the Scientific Visualization in 2022 blog may have noticed that there are some exciting new ways in which we are trying to evolve the ParaView ecosystem. One of those directions is what we’ve b…

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## [Proposal: add a way to access ParaView's requested time in Python Calculator/Annotation](https://discourse.paraview.org/t/proposal-add-a-way-to-access-paraviews-requested-time-in-python-calculator-annotation/16903)

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**Author:** [@cory.quammen](https://discourse.paraview.org/u/cory.quammen)\
**Replies:** 6\
**Last updated:** [July 22, 2025, 2:56pm UTC](https://discourse.paraview.org/t/proposal-add-a-way-to-access-paraviews-requested-time-in-python-calculator-annotation/16903 "2025-07-22T14:56:17Z")

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The Python Calculator and Python Annotation filter let you refer to the current time and time index of the source they are connected to via the t\_value and t\_index variables and the {timevalue} and {timeindex} string sub…

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## [Ctrl-S for save state](https://discourse.paraview.org/t/ctrl-s-for-save-state/16804)

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**Author:** [@jan\_brezina](https://discourse.paraview.org/u/jan_brezina)\
**Replies:** 1\
**Last updated:** [June 12, 2025, 11:43am UTC](https://discourse.paraview.org/t/ctrl-s-for-save-state/16804 "2025-06-12T11:43:50Z")

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When working with paraview, most of the time is invested into pipeline represented by the state file. So the primary save shortcut should be associated with that. To enable that, separate Save and Save As should be cons…

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## [The missing Apply button press "trap"](https://discourse.paraview.org/t/the-missing-apply-button-press-trap/15650)

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**Author:** [@cobo](https://discourse.paraview.org/u/cobo)\
**Replies:** 2\
**Last updated:** [October 29, 2024, 9:43am UTC](https://discourse.paraview.org/t/the-missing-apply-button-press-trap/15650 "2024-10-29T09:43:19Z")

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As an experienced user of ParaView, I press Apply in order to load a data file after choosing the proper reader - automatically. However, I had once more a support case with a less experienced customer - like I had it al…

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## [Change default orientation widget](https://discourse.paraview.org/t/change-default-orientation-widget/15553)

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**Author:** [@spyridon97](https://discourse.paraview.org/u/spyridon97)\
**Replies:** 26\
**Last updated:** [October 27, 2024, 2:50pm UTC](https://discourse.paraview.org/t/change-default-orientation-widget/15553 "2024-10-27T14:50:28Z")

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In the next release of ParaView, we are trying to give a new look and feel to our favorite platform. Part of these changes have been changing the default color map and background (read more here Replacement default colo…

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## [Material emissivity based on variable value](https://discourse.paraview.org/t/material-emissivity-based-on-variable-value/15509)

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**Author:** [@Alexandre\_Minot](https://discourse.paraview.org/u/Alexandre_Minot)\
**Replies:** 1\
**Last updated:** [October 7, 2024, 9:17pm UTC](https://discourse.paraview.org/t/material-emissivity-based-on-variable-value/15509 "2024-10-07T21:17:31Z")

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Hello, Is it possible to set the emissivity of an object based on a variable value? It looks like emissive texture can be set by importing a texture file. I don’t understand how to generate texture files, and would lik…

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## [Feature Request: Exporting Paraview to PGFPlots (WYSIWYM)](https://discourse.paraview.org/t/feature-request-exporting-paraview-to-pgfplots-wysiwym/15173)

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**Author:** [@bechrist](https://discourse.paraview.org/u/bechrist)\
**Replies:** 1\
**Last updated:** [August 5, 2024, 10:36pm UTC](https://discourse.paraview.org/t/feature-request-exporting-paraview-to-pgfplots-wysiwym/15173 "2024-08-05T22:36:52Z")

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Hello, I am interested in having a utility to export Paraview scenes to a what you see is what you mean (WYSIWYM) type graphics editor like PGFPlots (via TikZ/LaTeX). I am mainly interested in using Paraview to create n…

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## [Missing support for coordset fields in Mesh blueprint](https://discourse.paraview.org/t/missing-support-for-coordset-fields-in-mesh-blueprint/14077)

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**Author:** [@utkarsh.ayachit](https://discourse.paraview.org/u/utkarsh.ayachit)\
**Replies:** 3\
**Last updated:** [May 31, 2024, 1:55pm UTC](https://discourse.paraview.org/t/missing-support-for-coordset-fields-in-mesh-blueprint/14077 "2024-05-31T13:55:01Z")

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To understand the issue, let’s take a look at a typical Unstructured Grid blueprint for specifying data arrays associated with points. coordsets: coords0: type: "explicit" values: x: \[....\] …

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## [Proposal: Workspaces for managing ParaView states](https://discourse.paraview.org/t/proposal-workspaces-for-managing-paraview-states/14720)

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**Author:** [@utkarsh.ayachit](https://discourse.paraview.org/u/utkarsh.ayachit)\
**Replies:** 8\
**Last updated:** [May 30, 2024, 2:52am UTC](https://discourse.paraview.org/t/proposal-workspaces-for-managing-paraview-states/14720 "2024-05-30T02:52:33Z")

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I recently had the opportunity to use ParaView for setting up a CFD visualization: exploring what works, what doesn’t and deciding how to generate the best possible visuals (ParaView is brilliant, btw!). Here’s a propos…

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## [Improving quick launch window](https://discourse.paraview.org/t/improving-quick-launch-window/14336)

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**Author:** [@nicolas.vuaille](https://discourse.paraview.org/u/nicolas.vuaille)\
**Replies:** 14\
**Last updated:** [May 27, 2024, 10:20am UTC](https://discourse.paraview.org/t/improving-quick-launch-window/14336 "2024-05-27T10:20:59Z")

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To add filters (or sources or extractors), one can use the dedicated menu. But it is also possible to use the “Quick Launch” window (ctr+space). Then typing some text will display the matching filter labels. Pressing en…

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## [ParaView Internationalization](https://discourse.paraview.org/t/paraview-internationalization/10399)

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**Author:** [@Nicolas\_Boganski](https://discourse.paraview.org/u/Nicolas_Boganski)\
**Replies:** 12\
**Last updated:** [April 22, 2024, 7:42am UTC](https://discourse.paraview.org/t/paraview-internationalization/10399 "2024-04-22T07:42:48Z")

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Hello everyone, I am currently working on making the ParaView UI translatable. As such, this thread is meant to be a progress update and a forum for your advice! Objectives The scope of this internationalization is to …

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## [Filters Renaming and Categories Update](https://discourse.paraview.org/t/filters-renaming-and-categories-update/13870)

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**Author:** [@nicolas.vuaille](https://discourse.paraview.org/u/nicolas.vuaille)\
**Replies:** 22\
**Last updated:** [April 19, 2024, 1:45pm UTC](https://discourse.paraview.org/t/filters-renaming-and-categories-update/13870 "2024-04-19T13:45:38Z")

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Goal Make it easier to discover the filters and to choose the correct one in the GUI and in python. Thus the following is about the proxy labels, not names, even if we may use the term “name” for simplicity. Constraint…

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## [Conduit Data Source](https://discourse.paraview.org/t/conduit-data-source/13770)

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**Author:** [@utkarsh.ayachit](https://discourse.paraview.org/u/utkarsh.ayachit)\
**Replies:** 2\
**Last updated:** [January 23, 2024, 1:37pm UTC](https://discourse.paraview.org/t/conduit-data-source/13770 "2024-01-23T13:37:31Z")

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CATALYST\_DATA\_DUMPS is an excellent way to debug catalyst instrumentation. When set, catalyst dumps out all conduit datasets to a directory and then one is expected to use catalyst\_replay to replay the simulation. What I…

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## [Supporting arbitrary schemas with programmable conduit-based producer](https://discourse.paraview.org/t/supporting-arbitrary-schemas-with-programmable-conduit-based-producer/13759)

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**Author:** [@utkarsh.ayachit](https://discourse.paraview.org/u/utkarsh.ayachit)\
**Replies:** 3\
**Last updated:** [January 22, 2024, 5:27pm UTC](https://discourse.paraview.org/t/supporting-arbitrary-schemas-with-programmable-conduit-based-producer/13759 "2024-01-22T17:27:44Z")

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I am working on a Fortran code and attempting to use Catalyst to pass the along for insitu processing. My final objective is multi-pronged, I am potentially looking into developing custom catalyst implementations for tar…

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## [Catalyst: Finer grain control over execution](https://discourse.paraview.org/t/catalyst-finer-grain-control-over-execution/13475)

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**Author:** [@Christos\_Tsolakis](https://discourse.paraview.org/u/Christos_Tsolakis)\
**Replies:** 10\
**Last updated:** [December 14, 2023, 9:30pm UTC](https://discourse.paraview.org/t/catalyst-finer-grain-control-over-execution/13475 "2023-12-14T21:30:46Z")

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As it stands right now if a simulation calls catalyst\_execute data will be converted even if the extractors run at a frequency greater than one. Even though conduit blueprints are lightweight this could be costly depend…

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## [Is it possible to create data "on the fly" with the python API?](https://discourse.paraview.org/t/is-it-possible-to-create-data-on-the-fly-with-the-python-api/13055)

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**Author:** [@Davide](https://discourse.paraview.org/u/Davide)\
**Replies:** 4\
**Last updated:** [October 23, 2023, 10:06am UTC](https://discourse.paraview.org/t/is-it-possible-to-create-data-on-the-fly-with-the-python-api/13055 "2023-10-23T10:06:53Z")

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Suppose that I have a piece of code (in python) that generates some data. For the sake of the argument, let’s assume is something like a 3D version of the Mandelbrot set. Let’s also assume that I can compute batches of t…

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## [ParaView Python Documentation Future Updates](https://discourse.paraview.org/t/paraview-python-documentation-future-updates/9490)

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**Author:** [@spyridon97](https://discourse.paraview.org/u/spyridon97)\
**Replies:** 10\
**Last updated:** [September 27, 2023, 11:58am UTC](https://discourse.paraview.org/t/paraview-python-documentation-future-updates/9490 "2023-09-27T11:58:16Z")

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ParaView Guide is the central location for documentation regarding Paraview. Recently, ParaView Self-directed Tutorial (also known as The ParaView Tutorial) and Classroom Tutorials (from Sandia) have been moved at Para…

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## [Angle measurement tool](https://discourse.paraview.org/t/angle-measurement-tool/12487)

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**Author:** [@Julien\_Bomberault](https://discourse.paraview.org/u/Julien_Bomberault)\
**Replies:** 4\
**Last updated:** [September 18, 2023, 9:33am UTC](https://discourse.paraview.org/t/angle-measurement-tool/12487 "2023-09-18T09:33:12Z")

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Hello there, Please correct me if I am wrong: I did not find any angle measurement tool. Until now I tried to find one on the internet or I drew two tangent lines by hand to obtain numerical parameters and to compute m…

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## [is shear stress calculated by paraview tangential?](https://discourse.paraview.org/t/is-shear-stress-calculated-by-paraview-tangential/12529)

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**Author:** [@Ahmadna94](https://discourse.paraview.org/u/Ahmadna94)\
**Replies:** 8\
**Last updated:** [July 21, 2023, 8:21pm UTC](https://discourse.paraview.org/t/is-shear-stress-calculated-by-paraview-tangential/12529 "2023-07-21T20:21:08Z")

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In my post-processing workflow with ParaView, I am calculating shear stress on each point using the velocity field. I would like to confirm whether the shear stress calculated by ParaView represents the tangential compon…

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