# Development

**URL:** https://discourse.paraview.org/c/development/6.md?no_subcategories=false&page=38

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**Page:** 39

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## [Installation Requirements](https://discourse.paraview.org/t/installation-requirements/250)

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**Author:** [@olesenm](https://discourse.paraview.org/u/olesenm)\
**Replies:** 2\
**Last updated:** [June 29, 2018, 6:11am UTC](https://discourse.paraview.org/t/installation-requirements/250 "2018-06-29T06:11:17Z")

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I’ve been trying building ParaView with spack. When I specify the +python variant (ie, compile ParaView with python support), it adds a few more items to its packaging requirements. depends\_on('python@2:2.8', when='+pyt…

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## [Open file/Load state modal window off screen](https://discourse.paraview.org/t/open-file-load-state-modal-window-off-screen/222)

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**Author:** [@sethgilchrist](https://discourse.paraview.org/u/sethgilchrist)\
**Replies:** 1\
**Last updated:** [June 20, 2018, 7:16pm UTC](https://discourse.paraview.org/t/open-file-load-state-modal-window-off-screen/222 "2018-06-20T19:16:32Z")

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Summary: Under certain circumstances that are caused by using different multiple-monitor configurations with a laptop, the modal Open File and Load State windows are not visible. This causes ParaView to act as if it is…

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## [ImageData output with non-ImageData inputs](https://discourse.paraview.org/t/imagedata-output-with-non-imagedata-inputs/187)

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**Author:** [@lhofmann](https://discourse.paraview.org/u/lhofmann)\
**Replies:** 1\
**Last updated:** [June 18, 2018, 8:06pm UTC](https://discourse.paraview.org/t/imagedata-output-with-non-imagedata-inputs/187 "2018-06-18T20:06:25Z")

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I would like to write a filter, that takes a vtkPointSet as input and outputs an vtkImageData, which depends on the number of points of the input (see example below). There are two problems: In RequestInformation, I a…

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## [Add a representation to a view](https://discourse.paraview.org/t/add-a-representation-to-a-view/78)

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**Author:** [@gregory.zaccaro](https://discourse.paraview.org/u/gregory.zaccaro)\
**Replies:** 5\
**Last updated:** [June 18, 2018, 6:41pm UTC](https://discourse.paraview.org/t/add-a-representation-to-a-view/78 "2018-06-18T18:41:15Z")

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Hello, I’m adding a feature to an application based on ParaView 5.4. This feature basically consists of showing errors that occurred during the execution of a filter. By “showing errors”, I mean adding a wireframe rep…

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## [NanColor retro-compatibility needed or not](https://discourse.paraview.org/t/nancolor-retro-compatibility-needed-or-not/201)

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**Author:** [@mwestphal](https://discourse.paraview.org/u/mwestphal)\
**Replies:** 1\
**Last updated:** [June 18, 2018, 2:47pm UTC](https://discourse.paraview.org/t/nancolor-retro-compatibility-needed-or-not/201 "2018-06-18T14:47:43Z")

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We are in the process of adding support for NanColor opacity in ParaView. There is already support for it in the Color Selector, wich shows a opacity widget when the associated property as 4 components. However, increa…

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## [vtk event for about to load state ?](https://discourse.paraview.org/t/vtk-event-for-about-to-load-state/200)

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**Author:** [@michal.wozniak](https://discourse.paraview.org/u/michal.wozniak)\
**Replies:** 2\
**Last updated:** [June 18, 2018, 2:40pm UTC](https://discourse.paraview.org/t/vtk-event-for-about-to-load-state/200 "2018-06-18T14:40:08Z")

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Hi, I’m creating a plugin that is doing some actions when a state file is being loaded. When i’m using the GUI, i can connect to pqApplicationCore::onStateAboutToLoad event. This event doesn’t exist when I’m using pvb…

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## [add\_paraview\_auto\_start: onStartup not called on mesa build](https://discourse.paraview.org/t/add-paraview-auto-start-onstartup-not-called-on-mesa-build/164)

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**Author:** [@michal.wozniak](https://discourse.paraview.org/u/michal.wozniak)\
**Replies:** 3\
**Last updated:** [June 12, 2018, 9:55pm UTC](https://discourse.paraview.org/t/add-paraview-auto-start-onstartup-not-called-on-mesa-build/164 "2018-06-12T21:55:35Z")

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Hi, does the add\_paraview\_auto\_start process depend on the GUI ? I am trying to create a plugin that will create an instance of a custom class during the lunch. When I use the GUI, everything is working but when I’m us…

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## [Compiling PV 5.5.0 on Windows for Plugin Development](https://discourse.paraview.org/t/compiling-pv-5-5-0-on-windows-for-plugin-development/97)

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**Author:** [@Tina](https://discourse.paraview.org/u/Tina)\
**Replies:** 2\
**Last updated:** [June 6, 2018, 3:49pm UTC](https://discourse.paraview.org/t/compiling-pv-5-5-0-on-windows-for-plugin-development/97 "2018-06-06T15:49:21Z")

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Hello, My ultimate goal is to compile Paraview 5.5.0 on Windows 7, such that I can do some plugin-development, and to produce binary plugins compatible with the official binaries of Paraview downloadable from the Websit…

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## [Paraview 5.5.0 on arch linux, Qt include fix](https://discourse.paraview.org/t/paraview-5-5-0-on-arch-linux-qt-include-fix/73)

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**Author:** [@Charles\_Gueunet](https://discourse.paraview.org/u/Charles_Gueunet)\
**Replies:** 7\
**Last updated:** [June 4, 2018, 2:09pm UTC](https://discourse.paraview.org/t/paraview-5-5-0-on-arch-linux-qt-include-fix/73 "2018-06-04T14:09:38Z")

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Hello everyone, I have compiled Paraview 5.5.0 on my freshly installed Arch linux and I had to add some Qt include for the compilation to works: Here is the complete patch. For my compilation: I used the default opti…

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