# Development

**URL:** https://discourse.paraview.org/c/development/6.md?no_subcategories=false&page=12

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

**Page:** 13

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## [right-click context menu will failed to find the correct position when set View--\>Preview that not supported](https://discourse.paraview.org/t/right-click-context-menu-will-failed-to-find-the-correct-position-when-set-view-preview-that-not-supported/12083)

<div class="topic-metadata">

**Author:** [@sharon](https://discourse.paraview.org/u/sharon)\
**Replies:** 3\
**Last updated:** [July 29, 2023, 6:05am UTC](https://discourse.paraview.org/t/right-click-context-menu-will-failed-to-find-the-correct-position-when-set-view-preview-that-not-supported/12083 "2023-07-29T06:05:08Z")

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Version: 5.10.0-RC1 When try to right-click the block, it seems failed to find the correct position, from below picture it cannot identify when clicked on block: This is only failed when set View–\>Preview and choose…

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## [Adding Python Packages to ParaView Superbuild using toml](https://discourse.paraview.org/t/adding-python-packages-to-paraview-superbuild-using-toml/12518)

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**Author:** [@HollowSun0](https://discourse.paraview.org/u/HollowSun0)\
**Replies:** 2\
**Last updated:** [July 25, 2023, 7:07pm UTC](https://discourse.paraview.org/t/adding-python-packages-to-paraview-superbuild-using-toml/12518 "2023-07-25T19:07:49Z")

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I see that superbuild\_add\_project\_python\_toml(\<NAME\> \<ARG\>...) macro is present in common-superbuild’s cmake/SuperbuildMacros.cmake but it’s never been used anywhere. Is there any documentation supporting the usage of t…

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## [open pqColorOpacityEditorWidget in c++ custom application](https://discourse.paraview.org/t/open-pqcoloropacityeditorwidget-in-c-custom-application/12575)

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**Author:** [@fvitello](https://discourse.paraview.org/u/fvitello)\
**Replies:** 5\
**Last updated:** [July 25, 2023, 6:58am UTC](https://discourse.paraview.org/t/open-pqcoloropacityeditorwidget-in-c-custom-application/12575 "2023-07-25T06:58:27Z")

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hi all, how can I use existing paraview widget in my custom application? E.g. is is possibile to open and use the pqColorOpacityEditorWidget ?

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## [Beyond Getting Started with ParaView](https://discourse.paraview.org/t/beyond-getting-started-with-paraview/12554)

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**Author:** [@wascott](https://discourse.paraview.org/u/wascott)\
**Replies:** 6\
**Last updated:** [July 24, 2023, 4:30pm UTC](https://discourse.paraview.org/t/beyond-getting-started-with-paraview/12554 "2023-07-24T16:30:17Z")

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I would like to propose a new document be added to the help menu, just below Getting Started with ParaView. I propose the name be “Continuing with ParaView” or “Next Steps with ParaView”. The format should be the same …

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## [ParaView 5.11 crashes when using vtkModifiedBSPTree in a python plugin](https://discourse.paraview.org/t/paraview-5-11-crashes-when-using-vtkmodifiedbsptree-in-a-python-plugin/12495)

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**Author:** [@Loic](https://discourse.paraview.org/u/Loic)\
**Replies:** 2\
**Last updated:** [July 24, 2023, 2:55pm UTC](https://discourse.paraview.org/t/paraview-5-11-crashes-when-using-vtkmodifiedbsptree-in-a-python-plugin/12495 "2023-07-24T14:55:39Z")

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Hi, I’ve encountered a severe crash with a custom python filter in Paraview 5.11.1 on Windows 10. This filter is based on a VTKPythonAlgorithmBase, which uses vtk.vtkModifiedBSPTree under the hood. It seems that this …

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## [Shaders in Python](https://discourse.paraview.org/t/shaders-in-python/12459)

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**Author:** [@tjggriffin](https://discourse.paraview.org/u/tjggriffin)\
**Replies:** 7\
**Last updated:** [July 21, 2023, 4:32pm UTC](https://discourse.paraview.org/t/shaders-in-python/12459 "2023-07-21T16:32:24Z")

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I am trying to write a script in Python 3 to use shaders (GLSL) in VTK. When I google, I see a lot of stuff that does not seem to be valid anymore. I see mention of: vtkShader vtkShaderProgram vtkShader2 vtkShader2C…

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## [Call Python Script from C++](https://discourse.paraview.org/t/call-python-script-from-c/12486)

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**Author:** [@Muhammad\_Saad\_Atique](https://discourse.paraview.org/u/Muhammad_Saad_Atique)\
**Replies:** 3\
**Last updated:** [July 19, 2023, 1:47pm UTC](https://discourse.paraview.org/t/call-python-script-from-c/12486 "2023-07-19T13:47:11Z")

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I am creating Paraview’s custom application in C++. How can I execute python script from my C++ code. In my python script I am selecting points based on ID

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## [Slice Representation Lookup table](https://discourse.paraview.org/t/slice-representation-lookup-table/9703)

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**Author:** [@fvitello](https://discourse.paraview.org/u/fvitello)\
**Replies:** 4\
**Last updated:** [July 13, 2023, 4:10pm UTC](https://discourse.paraview.org/t/slice-representation-lookup-table/9703 "2023-07-13T16:10:46Z")

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Dear all, In my c++ custom application I want to set the color map of my slice representation. I have created the representation and settled the scalar to use with this code: drepSliceCube = builder-\>createDataRepres…

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## [Select points based on Coordinates using C++](https://discourse.paraview.org/t/select-points-based-on-coordinates-using-c/12485)

<div class="topic-metadata">

**Author:** [@Muhammad\_Saad\_Atique](https://discourse.paraview.org/u/Muhammad_Saad_Atique)\
**Replies:** 0\
**Last updated:** [July 10, 2023, 6:17pm UTC](https://discourse.paraview.org/t/select-points-based-on-coordinates-using-c/12485 "2023-07-10T18:17:14Z")

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I have a vector in c++ which have coordinates. I want to select those points using c++ and then apply extract selection. Is there a way to make a selection based on vector in c++?

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## [Generate CSV of complete pipeline in Custom Application](https://discourse.paraview.org/t/generate-csv-of-complete-pipeline-in-custom-application/12103)

<div class="topic-metadata">

**Author:** [@Muhammad\_Saad\_Atique](https://discourse.paraview.org/u/Muhammad_Saad_Atique)\
**Replies:** 69\
**Last updated:** [July 7, 2023, 4:37pm UTC](https://discourse.paraview.org/t/generate-csv-of-complete-pipeline-in-custom-application/12103 "2023-07-07T16:37:37Z")

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Hi, Is there a way to generate a CSV of complete pipeline (data, multiple filters e.g calculator, glyphs, extract selection) in a custom application code? I want to generate the CSV from within the code and not from th…

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## [Changing error messages in Paraview and VTK](https://discourse.paraview.org/t/changing-error-messages-in-paraview-and-vtk/12441)

<div class="topic-metadata">

**Author:** [@Muhammad\_Saad\_Atique](https://discourse.paraview.org/u/Muhammad_Saad_Atique)\
**Replies:** 6\
**Last updated:** [July 6, 2023, 3:25pm UTC](https://discourse.paraview.org/t/changing-error-messages-in-paraview-and-vtk/12441 "2023-07-06T15:25:34Z")

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Is there a way to modify the error messages which are generated by Paraview or VTK? For example paraview generates this error for one of the case: ERROR: In vtkDemandDrivenPipeline.cxx, line 779 vtkCompositeDataPipelin…

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## [Extracting remaining points](https://discourse.paraview.org/t/extracting-remaining-points/12407)

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**Author:** [@Muhammad\_Saad\_Atique](https://discourse.paraview.org/u/Muhammad_Saad_Atique)\
**Replies:** 0\
**Last updated:** [June 28, 2023, 2:03pm UTC](https://discourse.paraview.org/t/extracting-remaining-points/12407 "2023-06-28T14:03:12Z")

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Hi, I have extracted multiple surfaces on my data object now I want to extract all points which are not extracted. I want to extract everything other than extract selection 3 and extract selection 4, how can I do that? …

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## [Custom Application | Add new button icons in controls toolbar](https://discourse.paraview.org/t/custom-application-add-new-button-icons-in-controls-toolbar/12395)

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**Author:** [@Muhammad\_Saad\_Atique](https://discourse.paraview.org/u/Muhammad_Saad_Atique)\
**Replies:** 2\
**Last updated:** [June 28, 2023, 2:01pm UTC](https://discourse.paraview.org/t/custom-application-add-new-button-icons-in-controls-toolbar/12395 "2023-06-28T14:01:33Z")

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Hi, I have created a custom application and have created new functionalities/menus. I want to add new icons which when clicked will perform actions which are in those menus. For example I have created a build menu which…

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## ["Zigzagging" / "Jagged" sidesets with 2D out-of-plane triangular meshes](https://discourse.paraview.org/t/zigzagging-jagged-sidesets-with-2d-out-of-plane-triangular-meshes/12320)

<div class="topic-metadata">

**Author:** [@ln53](https://discourse.paraview.org/u/ln53)\
**Replies:** 11\
**Last updated:** [June 28, 2023, 11:40am UTC](https://discourse.paraview.org/t/zigzagging-jagged-sidesets-with-2d-out-of-plane-triangular-meshes/12320 "2023-06-28T11:40:17Z")

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I have been viewing disjoint triangular 2D meshes, generated in Gmsh, in 3D space with ParaView. I have come across a problem where the side sets I specify appear in the jagged pattern seen in the image below. As far as …

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## [Display of FVCOM data broken in recent nightlies](https://discourse.paraview.org/t/display-of-fvcom-data-broken-in-recent-nightlies/1896)

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**Author:** [@swaldman](https://discourse.paraview.org/u/swaldman)\
**Replies:** 15\
**Last updated:** [June 28, 2023, 7:36am UTC](https://discourse.paraview.org/t/display-of-fvcom-data-broken-in-recent-nightlies/1896 "2023-06-28T07:36:54Z")

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Hi all, My apologies in advance for a not-ideal bug report. Everything below is on Windows, but I don’t have the ability to run the linux version, so I can’t tell you whether it is Windows-specific. In 5.6.0, I can ope…

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## [Use GLSL Shader in ParaView](https://discourse.paraview.org/t/use-glsl-shader-in-paraview/12367)

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**Author:** [@michaelsz](https://discourse.paraview.org/u/michaelsz)\
**Replies:** 0\
**Last updated:** [June 22, 2023, 1:42pm UTC](https://discourse.paraview.org/t/use-glsl-shader-in-paraview/12367 "2023-06-22T13:42:33Z")

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I have been attempting to utilize GLSL shaders in ParaView. I have researched and seen the shader replacement feature but am confused about if it is only able to replace preset portions of the default shader code and wh…

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## [from paraview.simple import \* =\> ImportError: DLL load failed while importing vtkRemotingApplication](https://discourse.paraview.org/t/from-paraview-simple-import-importerror-dll-load-failed-while-importing-vtkremotingapplication/11905)

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**Author:** [@Julien](https://discourse.paraview.org/u/Julien)\
**Replies:** 15\
**Last updated:** [June 19, 2023, 10:45am UTC](https://discourse.paraview.org/t/from-paraview-simple-import-importerror-dll-load-failed-while-importing-vtkremotingapplication/11905 "2023-06-19T10:45:35Z")

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Hello Everyone, I am considering using Paraview as an advanced 3D viewer in another software. So I prototyped a little thing in Python and Qt5, and it works well as a standalone software (just a tiny prototype hellowor…

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## [How to use vtkImageStack or equivalent in custom client (C++)](https://discourse.paraview.org/t/how-to-use-vtkimagestack-or-equivalent-in-custom-client-c/12194)

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**Author:** [@Pietersielie](https://discourse.paraview.org/u/Pietersielie)\
**Replies:** 5\
**Last updated:** [June 14, 2023, 7:31am UTC](https://discourse.paraview.org/t/how-to-use-vtkimagestack-or-equivalent-in-custom-client-c/12194 "2023-06-14T07:31:36Z")

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Hi all, I’m working on porting an astronomy tool that used to be pure VTK to now be paraview based. In one use case, we would have multiple images of the same object (different wavelengths) and display them all simultan…

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## [Description of XML configuration files.](https://discourse.paraview.org/t/description-of-xml-configuration-files/12260)

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**Author:** [@OlegIT](https://discourse.paraview.org/u/OlegIT)\
**Replies:** 1\
**Last updated:** [June 9, 2023, 7:50am UTC](https://discourse.paraview.org/t/description-of-xml-configuration-files/12260 "2023-06-09T07:50:20Z")

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Help me find documentation on XML configuration files describing the behavior of filters. What I found is not a complete description. There is a text \<StringVectorProperty command="SetInputArrayToProcess" …

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## [Compiling Paraview 5.10.1 with gcc 13](https://discourse.paraview.org/t/compiling-paraview-5-10-1-with-gcc-13/12228)

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**Author:** [@gskillas](https://discourse.paraview.org/u/gskillas)\
**Replies:** 2\
**Last updated:** [June 6, 2023, 12:07pm UTC](https://discourse.paraview.org/t/compiling-paraview-5-10-1-with-gcc-13/12228 "2023-06-06T12:07:28Z")

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Hello, I came across the following bug in ParaView-5.10.1/VTK/IO/Image/vtkSEPReader.h ParaView-5.10.1/VTK/IO/PIO/PIOData.h ParaView-5.10.1/VTK/Rendering/Matplotlib/vtkMatplotlibMathTextUtilities.h ParaView-5.10.1/VTK/…

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## [Support of subprocesses (in C, with fork())?](https://discourse.paraview.org/t/support-of-subprocesses-in-c-with-fork/11833)

<div class="topic-metadata">

**Author:** [@atalon-lip6](https://discourse.paraview.org/u/atalon-lip6)\
**Replies:** 9\
**Last updated:** [June 6, 2023, 7:17am UTC](https://discourse.paraview.org/t/support-of-subprocesses-in-c-with-fork/11833 "2023-06-06T07:17:24Z")

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Hello! I am working in the development of the TTK library, in C++. For some reason, we need to create real subprocesses (threads cannot do the thing we want). However when I test on some filter I am developping, I have…

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## [Elevation Filter does not gets loaded in SimpleParaview Example](https://discourse.paraview.org/t/elevation-filter-does-not-gets-loaded-in-simpleparaview-example/11927)

<div class="topic-metadata">

**Author:** [@Muhammad\_Saad\_Atique](https://discourse.paraview.org/u/Muhammad_Saad_Atique)\
**Replies:** 11\
**Last updated:** [June 2, 2023, 4:45pm UTC](https://discourse.paraview.org/t/elevation-filter-does-not-gets-loaded-in-simpleparaview-example/11927 "2023-06-02T16:45:22Z")

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Hi, I am trying to run SimpleParaview example. But Elevation Filter (custom filter) does not gets loaded in the application. I am running this on Windows. I ran it on Mac and it was working there.

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## [ParaView hackathon](https://discourse.paraview.org/t/paraview-hackathon/11907)

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**Author:** [@cory.quammen](https://discourse.paraview.org/u/cory.quammen)\
**Replies:** 9\
**Last updated:** [June 2, 2023, 12:10pm UTC](https://discourse.paraview.org/t/paraview-hackathon/11907 "2023-06-02T12:10:04Z")

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It’s been a while since we have had a ParaView hackathon - let’s plan one for early June 2023. Possible topics are: issue cleanup in GitLab documentation Catalyst, emphasizing documentation Since likely participants …

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## [ERROR: Glyph filter input array index not specified](https://discourse.paraview.org/t/error-glyph-filter-input-array-index-not-specified/12018)

<div class="topic-metadata">

**Author:** [@Muhammad\_Saad\_Atique](https://discourse.paraview.org/u/Muhammad_Saad_Atique)\
**Replies:** 34\
**Last updated:** [May 31, 2023, 1:31pm UTC](https://discourse.paraview.org/t/error-glyph-filter-input-array-index-not-specified/12018 "2023-05-31T13:31:05Z")

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I am trying to combine Calculator Filter with Glyph Filter but I think there is an issue with how both filters are linking. I can’t find the “Result” array of calculator in Orientation or Scale array of Glyph and I get t…

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## [Paraview Java](https://discourse.paraview.org/t/paraview-java/12160)

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**Author:** [@Julien](https://discourse.paraview.org/u/Julien)\
**Replies:** 4\
**Last updated:** [May 26, 2023, 12:46pm UTC](https://discourse.paraview.org/t/paraview-java/12160 "2023-05-26T12:46:29Z")

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Hello Everyone, I am considering using Paraview as a data viewer in a Java project, so in a Java dedicated window (probably a Java Swing JFrame/etc) and I was wondering whether it was possible and if there were a dedica…

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## [Access to ParaView and VTK parameters.](https://discourse.paraview.org/t/access-to-paraview-and-vtk-parameters/12112)

<div class="topic-metadata">

**Author:** [@OlegIT](https://discourse.paraview.org/u/OlegIT)\
**Replies:** 8\
**Last updated:** [May 16, 2023, 4:39pm UTC](https://discourse.paraview.org/t/access-to-paraview-and-vtk-parameters/12112 "2023-05-16T16:39:42Z")

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Started working with ParaView in C++. There are two questions that I can’t find an answer to. How can I get the numbers of previously selected vertices from my plugin using Extract Selection? How can I change/restore t…

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## [How to trigger auto-apply](https://discourse.paraview.org/t/how-to-trigger-auto-apply/12111)

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**Author:** [@nenad-vujicic](https://discourse.paraview.org/u/nenad-vujicic)\
**Replies:** 4\
**Last updated:** [May 16, 2023, 12:49pm UTC](https://discourse.paraview.org/t/how-to-trigger-auto-apply/12111 "2023-05-16T12:49:25Z")

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Hello everyone, I created several plugins (source + filters) and a patch which could alter source’s / filter’s properties. However, when I change one of these properties (programmatically, from the patch), the pipeline …

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## [Color Map Editor Reorganization](https://discourse.paraview.org/t/color-map-editor-reorganization/9494)

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**Author:** [@jaswantp](https://discourse.paraview.org/u/jaswantp)\
**Replies:** 15\
**Last updated:** [May 16, 2023, 9:48am UTC](https://discourse.paraview.org/t/color-map-editor-reorganization/9494 "2023-05-16T09:48:02Z")

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The Color Map Editor dock in ParaView is both awesome and cluttered at the same time. We’ve all played around with the color/opacity transfer function editor to achieve flashy volume renders. This post is to discuss the …

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## [Time Inspector and Animation View redesign](https://discourse.paraview.org/t/time-inspector-and-animation-view-redesign/11236)

<div class="topic-metadata">

**Author:** [@nicolas.vuaille](https://discourse.paraview.org/u/nicolas.vuaille)\
**Replies:** 31\
**Last updated:** [May 15, 2023, 7:17am UTC](https://discourse.paraview.org/t/time-inspector-and-animation-view-redesign/11236 "2023-05-15T07:17:09Z")

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This is a proposal to refactor the AnimationView and the TimeInspector. Context The AnimationView is the place where to configure animation tracks (e.g. a camera path around the data) in a timeline. It also contains sev…

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## [Fides reader for ADIOS2 data](https://discourse.paraview.org/t/fides-reader-for-adios2-data/7272)

<div class="topic-metadata">

**Author:** [@caitlin.ross](https://discourse.paraview.org/u/caitlin.ross)\
**Replies:** 3\
**Last updated:** [May 10, 2023, 7:13pm UTC](https://discourse.paraview.org/t/fides-reader-for-adios2-data/7272 "2023-05-10T19:13:20Z")

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ParaView has a new reader for reading ADIOS2 data. Fides is a library that uses a JSON data model to map ADIOS2 data arrays to VTK-m datasets. The goal is to enable interoperable visualization services that can be readil…

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