# Development

**URL:** https://discourse.paraview.org/c/development/6.md?no_subcategories=false&page=13

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

**Page:** 14

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## [How to change solid color to anther type in C++?](https://discourse.paraview.org/t/how-to-change-solid-color-to-anther-type-in-c/11982)

<div class="topic-metadata">

**Author:** [@DG\_Kang](https://discourse.paraview.org/u/DG_Kang)\
**Replies:** 1\
**Last updated:** [May 6, 2023, 6:06am UTC](https://discourse.paraview.org/t/how-to-change-solid-color-to-anther-type-in-c/11982 "2023-05-06T06:06:38Z")

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Hi, I need to modify the “Idp” variable to a Solid Color within this combo select feature using C++. Here’s the code I use to adjust the transparency and color. QVector\<pqPipelineSource \*\> QSourcePointer = pqLoadDat…

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## [Adding Properties for vtkPartitionedDataSetCollection](https://discourse.paraview.org/t/adding-properties-for-vtkpartitioneddatasetcollection/6061)

<div class="topic-metadata">

**Author:** [@vbolea](https://discourse.paraview.org/u/vbolea)\
**Replies:** 27\
**Last updated:** [May 4, 2023, 11:23pm UTC](https://discourse.paraview.org/t/adding-properties-for-vtkpartitioneddatasetcollection/6061 "2023-05-04T23:23:31Z")

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As discussed in this topic, we will finally departure from multiblock datasets by introducing the vtkPartitionedDataSetCollection and friends. An important feature needed for those hierarchical datasets are properties, …

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## [Debug Statements in Paraview](https://discourse.paraview.org/t/debug-statements-in-paraview/12006)

<div class="topic-metadata">

**Author:** [@Muhammad\_Saad\_Atique](https://discourse.paraview.org/u/Muhammad_Saad_Atique)\
**Replies:** 9\
**Last updated:** [May 4, 2023, 1:26am UTC](https://discourse.paraview.org/t/debug-statements-in-paraview/12006 "2023-05-04T01:26:26Z")

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Hi, I am creating my own Filter, so I was wondering if there is a way to print Debug statements in between c++ code? So that when I load the plugin and apply my filter I can see those print statements?

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## [Combine two filters into one in Custom Application](https://discourse.paraview.org/t/combine-two-filters-into-one-in-custom-application/11975)

<div class="topic-metadata">

**Author:** [@Muhammad\_Saad\_Atique](https://discourse.paraview.org/u/Muhammad_Saad_Atique)\
**Replies:** 9\
**Last updated:** [May 2, 2023, 4:51pm UTC](https://discourse.paraview.org/t/combine-two-filters-into-one-in-custom-application/11975 "2023-05-02T16:51:09Z")

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Hi, I want to combine two filters (calculator and glyph to be specific) into one filter in my custom application. How can I achieve that? P.S I don’t want to create a custom filter in the GUI, but want to create a filt…

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## [Orientation box interactivity limits the position of the orientation axis with larger size](https://discourse.paraview.org/t/orientation-box-interactivity-limits-the-position-of-the-orientation-axis-with-larger-size/11981)

<div class="topic-metadata">

**Author:** [@abhinavsns](https://discourse.paraview.org/u/abhinavsns)\
**Replies:** 1\
**Last updated:** [May 2, 2023, 2:09pm UTC](https://discourse.paraview.org/t/orientation-box-interactivity-limits-the-position-of-the-orientation-axis-with-larger-size/11981 "2023-05-02T14:09:01Z")

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if the size of the orientation axis is increased using interactive controls, it cannot be placed in the corner leading to lost white space. Is there any other workaround for this?

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## [How to create an executable/binaries of custom application](https://discourse.paraview.org/t/how-to-create-an-executable-binaries-of-custom-application/11890)

<div class="topic-metadata">

**Author:** [@Muhammad\_Saad\_Atique](https://discourse.paraview.org/u/Muhammad_Saad_Atique)\
**Replies:** 18\
**Last updated:** [May 1, 2023, 10:00pm UTC](https://discourse.paraview.org/t/how-to-create-an-executable-binaries-of-custom-application/11890 "2023-05-01T22:00:45Z")

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How to create an executable of the custom application? I want to dynamically link the qt libraries. I have built software from source using this guide: ParaView/build.md at master · Kitware/ParaView · GitHub And then …

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## [Paraview Crashes | Debug FIlters in Paraview](https://discourse.paraview.org/t/paraview-crashes-debug-filters-in-paraview/11998)

<div class="topic-metadata">

**Author:** [@Muhammad\_Saad\_Atique](https://discourse.paraview.org/u/Muhammad_Saad_Atique)\
**Replies:** 0\
**Last updated:** [May 1, 2023, 3:11pm UTC](https://discourse.paraview.org/t/paraview-crashes-debug-filters-in-paraview/11998 "2023-05-01T15:11:12Z")

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Is there a way to debug in Paraview. I am creating a custom filter which is a combination of calculator and glyph filters. For now I have just added calculator filter. But after applying my new filter when I click “Appl…

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## [How to use pqLoadDataReaction and pqDataRepresentation correctly?](https://discourse.paraview.org/t/how-to-use-pqloaddatareaction-and-pqdatarepresentation-correctly/11844)

<div class="topic-metadata">

**Author:** [@DG\_Kang](https://discourse.paraview.org/u/DG_Kang)\
**Replies:** 4\
**Last updated:** [April 28, 2023, 11:07am UTC](https://discourse.paraview.org/t/how-to-use-pqloaddatareaction-and-pqdatarepresentation-correctly/11844 "2023-04-28T11:07:49Z")

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Hi, I’m implementing my first custom application using QT, a few objects will be loaded into Paraview using the code and I have to change some properties, like color, size, position, etc. I loaded the object with this…

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## [Adding an output option to pvpython to show necessary environment variables for importing ParaView into python](https://discourse.paraview.org/t/adding-an-output-option-to-pvpython-to-show-necessary-environment-variables-for-importing-paraview-into-python/11619)

<div class="topic-metadata">

**Author:** [@Andy\_Bauer](https://discourse.paraview.org/u/Andy_Bauer)\
**Replies:** 10\
**Last updated:** [April 25, 2023, 3:14pm UTC](https://discourse.paraview.org/t/adding-an-output-option-to-pvpython-to-show-necessary-environment-variables-for-importing-paraview-into-python/11619 "2023-04-25T15:14:05Z")

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Hi, I’m working on some testing functionality for code that does some ParaView processing through Python. This is for a ParaView install from the download page and not a ParaView that I built myself. I’m not sure this m…

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## [Superbuild troubles including Python runtime](https://discourse.paraview.org/t/superbuild-troubles-including-python-runtime/9969)

<div class="topic-metadata">

**Author:** [@cobo](https://discourse.paraview.org/u/cobo)\
**Replies:** 4\
**Last updated:** [April 24, 2023, 7:31am UTC](https://discourse.paraview.org/t/superbuild-troubles-including-python-runtime/9969 "2023-04-24T07:31:16Z")

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Since weeks now I am struggling with the fact that since some time, my Superbuild for a ParaView custom application does not properly include the Python runtime any more. All is done on Windows 10, because that is what m…

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## [Custom Application](https://discourse.paraview.org/t/custom-application/10637)

<div class="topic-metadata">

**Author:** [@Bad\_Programmer](https://discourse.paraview.org/u/Bad_Programmer)\
**Replies:** 1\
**Last updated:** [April 24, 2023, 1:12am UTC](https://discourse.paraview.org/t/custom-application/10637 "2023-04-24T01:12:33Z")

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Hi! i try to use standalone ParaView main window and Custom App. i try to open PVD set of VTU files. But, when i try pqFileDialog, the plugin is abscent. The problem i think, Paraview initializing is InitializerT::S…

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## [Qt and Superbuild](https://discourse.paraview.org/t/qt-and-superbuild/11896)

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**Author:** [@Muhammad\_Saad\_Atique](https://discourse.paraview.org/u/Muhammad_Saad_Atique)\
**Replies:** 4\
**Last updated:** [April 24, 2023, 1:08am UTC](https://discourse.paraview.org/t/qt-and-superbuild/11896 "2023-04-24T01:08:55Z")

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Do I need to install Qt for building paraview-superbuild? If yes, when I create my own binary for my application, will the user of my applications would also have to install Qt?

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## [Add Custom Filter to Custom Application](https://discourse.paraview.org/t/add-custom-filter-to-custom-application/11920)

<div class="topic-metadata">

**Author:** [@Muhammad\_Saad\_Atique](https://discourse.paraview.org/u/Muhammad_Saad_Atique)\
**Replies:** 2\
**Last updated:** [April 24, 2023, 12:59am UTC](https://discourse.paraview.org/t/add-custom-filter-to-custom-application/11920 "2023-04-24T00:59:25Z")

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Is there a way to add a custom filter to my custom application. I created a custom filter in Paraview Gui and exported the xml file of this custom filter. Now I am creating a custom application and I want to add that cus…

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## [External library for Paraview plugin](https://discourse.paraview.org/t/external-library-for-paraview-plugin/11297)

<div class="topic-metadata">

**Author:** [@k\_herdzik77](https://discourse.paraview.org/u/k_herdzik77)\
**Replies:** 10\
**Last updated:** [April 24, 2023, 12:24am UTC](https://discourse.paraview.org/t/external-library-for-paraview-plugin/11297 "2023-04-24T00:24:36Z")

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Hello everyone, we’re in the process of developing our plugin and we need to use an in-house developed library. After our naive plugin build completes, the plugin loads, but the Paraview crashes, complaining about an un…

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## [Keeping Original Ids in State Files](https://discourse.paraview.org/t/keeping-original-ids-in-state-files/11940)

<div class="topic-metadata">

**Author:** [@HollowSun0](https://discourse.paraview.org/u/HollowSun0)\
**Replies:** 2\
**Last updated:** [April 21, 2023, 2:17pm UTC](https://discourse.paraview.org/t/keeping-original-ids-in-state-files/11940 "2023-04-21T14:17:45Z")

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Hi all, I’m currently in the process of investigating what needs to be done to preserve the original Ids of proxies and properties inside a state file. In ParaView 5.9, loading a state file with keepOriginalIds set to t…

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## [TypeError when importing paraview simple](https://discourse.paraview.org/t/typeerror-when-importing-paraview-simple/11879)

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**Author:** [@Kieran\_M](https://discourse.paraview.org/u/Kieran_M)\
**Replies:** 1\
**Last updated:** [April 17, 2023, 7:45am UTC](https://discourse.paraview.org/t/typeerror-when-importing-paraview-simple/11879 "2023-04-17T07:45:03Z")

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Hi, I have recently encountered a TypeError when trying to import some modules from paraview.simple. I am trying to import these modules form an Anaconda environment with python 3.9.16. It can be reproduced as follows: …

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## [The client connection hangs when I do client/server visualization with ParaView 5.11.1 Server.](https://discourse.paraview.org/t/the-client-connection-hangs-when-i-do-client-server-visualization-with-paraview-5-11-1-server/11881)

<div class="topic-metadata">

**Author:** [@zunceng](https://discourse.paraview.org/u/zunceng)\
**Replies:** 3\
**Last updated:** [April 14, 2023, 5:46am UTC](https://discourse.paraview.org/t/the-client-connection-hangs-when-i-do-client-server-visualization-with-paraview-5-11-1-server/11881 "2023-04-14T05:46:42Z")

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The server was running in a container with OpenMPI. And the Windows(Win10) client is ParaView-5.11.0-Windows-Python3.9-msvc2017-AMD64.zip download from https://www.paraview.org/download/ . The client will be stuck in c…

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## [Different pipeline behavior in ParaView vs straight VTK](https://discourse.paraview.org/t/different-pipeline-behavior-in-paraview-vs-straight-vtk/11872)

<div class="topic-metadata">

**Author:** [@jba](https://discourse.paraview.org/u/jba)\
**Replies:** 6\
**Last updated:** [April 13, 2023, 9:03pm UTC](https://discourse.paraview.org/t/different-pipeline-behavior-in-paraview-vs-straight-vtk/11872 "2023-04-13T21:03:57Z")

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Hello, I am working on a small ParaView plugin to read a custom data object and implement some filters on this data. My data objects extend vtkDataObject and my filters extend vtkAlgorithm. I am completely new to VTK an…

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## [Sorting strings in Cell data when using spreadsheet view](https://discourse.paraview.org/t/sorting-strings-in-cell-data-when-using-spreadsheet-view/11859)

<div class="topic-metadata">

**Author:** [@the\_dense](https://discourse.paraview.org/u/the_dense)\
**Replies:** 3\
**Last updated:** [April 12, 2023, 11:55pm UTC](https://discourse.paraview.org/t/sorting-strings-in-cell-data-when-using-spreadsheet-view/11859 "2023-04-12T23:55:16Z")

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Hi, I have a vtk file with lots of line elements. Each line element has a material definition given by a string entry defined as a field. In the spreadsheet view I often sort the elements by certain fields. This works f…

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## [OpenGL Demo1 and Demo2 Giving Errors on Mac](https://discourse.paraview.org/t/opengl-demo1-and-demo2-giving-errors-on-mac/11791)

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**Author:** [@Muhammad\_Saad\_Atique](https://discourse.paraview.org/u/Muhammad_Saad_Atique)\
**Replies:** 4\
**Last updated:** [April 11, 2023, 3:56am UTC](https://discourse.paraview.org/t/opengl-demo1-and-demo2-giving-errors-on-mac/11791 "2023-04-11T03:56:47Z")

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I can build Demo0, Clone1 and Clone2. But when building Demo1 and Demo2 I get these errors: ( 2.505s) \[paraview \] vtkShaderProgram.cxx:439 ERR| vtkShaderProgram (0x7fb8b448c4d0): ERROR: 0:1: '' : version…

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## [Creating a mesh editing plugin for paraview ?](https://discourse.paraview.org/t/creating-a-mesh-editing-plugin-for-paraview/11774)

<div class="topic-metadata">

**Author:** [@Mehdi\_Hamidi](https://discourse.paraview.org/u/Mehdi_Hamidi)\
**Replies:** 4\
**Last updated:** [April 10, 2023, 9:26am UTC](https://discourse.paraview.org/t/creating-a-mesh-editing-plugin-for-paraview/11774 "2023-04-10T09:26:29Z")

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Hi, I intend to create a mesh editing plugin for ParaView that will allow users to perform interactive editing of mesh objects in real-time. The goal is to avoid the need to transport the vtk/msh mesh from one software …

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## [Compiling ParaView on Mac with M1 chip](https://discourse.paraview.org/t/compiling-paraview-on-mac-with-m1-chip/11812)

<div class="topic-metadata">

**Author:** [@Thomas\_Theussl](https://discourse.paraview.org/u/Thomas_Theussl)\
**Replies:** 4\
**Last updated:** [April 5, 2023, 9:10pm UTC](https://discourse.paraview.org/t/compiling-paraview-on-mac-with-m1-chip/11812 "2023-04-05T21:10:18Z")

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Hi, I am trying to compile ParaView on a MacBook with an M1 chip, but fail to build the GUI, the problem is obviously with Qt since I can build without it (and it worked fine on an Intel chip) ParaView version v5.11.0 …

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## [Building Custom Application using Clone 1 and Clone 2 examples](https://discourse.paraview.org/t/building-custom-application-using-clone-1-and-clone-2-examples/11807)

<div class="topic-metadata">

**Author:** [@Muhammad\_Saad\_Atique](https://discourse.paraview.org/u/Muhammad_Saad_Atique)\
**Replies:** 0\
**Last updated:** [April 4, 2023, 4:47pm UTC](https://discourse.paraview.org/t/building-custom-application-using-clone-1-and-clone-2-examples/11807 "2023-04-04T16:47:02Z")

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Hi, So I am trying to build custom applications using Clone 1 and Clone 2 examples given on github. Is this the right approach, if I modify Clone 1 or Clone 2? And what’s the difference between Clone 1 and Clone 2? …

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## [Adding test in C/S mode for a plugin](https://discourse.paraview.org/t/adding-test-in-c-s-mode-for-a-plugin/11682)

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**Author:** [@guillaume\_Peillex](https://discourse.paraview.org/u/guillaume_Peillex)\
**Replies:** 4\
**Last updated:** [March 23, 2023, 2:16pm UTC](https://discourse.paraview.org/t/adding-test-in-c-s-mode-for-a-plugin/11682 "2023-03-23T14:16:29Z")

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Hi, I’m currently setting up test in C/S mode for a plugin that i’m in charge of. I’m using the paraview\_add\_client\_server\_tests function and it gave me satisfaction until i needed to run more than 2 servers through mp…

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## [Data Arrays ranges in the Information tab may be at too high precision](https://discourse.paraview.org/t/data-arrays-ranges-in-the-information-tab-may-be-at-too-high-precision/11561)

<div class="topic-metadata">

**Author:** [@Andy\_Bauer](https://discourse.paraview.org/u/Andy_Bauer)\
**Replies:** 8\
**Last updated:** [March 9, 2023, 4:24pm UTC](https://discourse.paraview.org/t/data-arrays-ranges-in-the-information-tab-may-be-at-too-high-precision/11561 "2023-03-09T16:24:33Z")

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Hi, I’m working with an OpenFOAM dataset and when I try to look at the range bounds for the field variables in the GUI it becomes a bit unwieldy. It’s not too bad for single component arrays but for 3 component arra…

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## [Paraview v5.11.0 Windows 7 Binary distribution not working](https://discourse.paraview.org/t/paraview-v5-11-0-windows-7-binary-distribution-not-working/11516)

<div class="topic-metadata">

**Author:** [@abhinavsns](https://discourse.paraview.org/u/abhinavsns)\
**Replies:** 3\
**Last updated:** [March 2, 2023, 3:39am UTC](https://discourse.paraview.org/t/paraview-v5-11-0-windows-7-binary-distribution-not-working/11516 "2023-03-02T03:39:00Z")

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Hello, I have a Windows cave setup with Windows 10 master and windows 7 clients. I am unable to run the latest Binary on Windows 7. The latest binary I can run is v5.8.1 that works on both Windows 10 and Windows 7. How…

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## [Server side python script from GUI](https://discourse.paraview.org/t/server-side-python-script-from-gui/11321)

<div class="topic-metadata">

**Author:** [@nicolas.vuaille](https://discourse.paraview.org/u/nicolas.vuaille)\
**Replies:** 9\
**Last updated:** [March 1, 2023, 6:47pm UTC](https://discourse.paraview.org/t/server-side-python-script-from-gui/11321 "2023-03-01T18:47:59Z")

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Hi community, In ParaView we have several places were we can create, save and run python scripts. This includes macros, python editor, and python shell. In each case, only the client file system is accessible for the t…

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## [ExtractSurface causes the whole pipeline to execute twice when using MPI](https://discourse.paraview.org/t/extractsurface-causes-the-whole-pipeline-to-execute-twice-when-using-mpi/11539)

<div class="topic-metadata">

**Author:** [@eve-le-guillou](https://discourse.paraview.org/u/eve-le-guillou)\
**Replies:** 2\
**Last updated:** [March 1, 2023, 2:33pm UTC](https://discourse.paraview.org/t/extractsurface-causes-the-whole-pipeline-to-execute-twice-when-using-mpi/11539 "2023-03-01T14:33:59Z")

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Hi all, I have noticed that sometimes Paraview executes twice some filters even when it is not needed when using MPI. I have noticed that this happens when the ExtractSurface filter is present in the Pipeline. I use MP…

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## [ParaView with mingw64](https://discourse.paraview.org/t/paraview-with-mingw64/11543)

<div class="topic-metadata">

**Author:** [@hamid\_badi](https://discourse.paraview.org/u/hamid_badi)\
**Replies:** 3\
**Last updated:** [March 1, 2023, 1:48pm UTC](https://discourse.paraview.org/t/paraview-with-mingw64/11543 "2023-03-01T13:48:08Z")

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Hello, I want to compile paraview for msys2/mingw64. I surprise that paraview is not available as an official pacman package. Is there a way to configure cmake in order to compile Paraview without compiling vtk and ins…

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## [Need help with creating reader plugin](https://discourse.paraview.org/t/need-help-with-creating-reader-plugin/11537)

<div class="topic-metadata">

**Author:** [@cratesdude](https://discourse.paraview.org/u/cratesdude)\
**Replies:** 1\
**Last updated:** [March 1, 2023, 12:37pm UTC](https://discourse.paraview.org/t/need-help-with-creating-reader-plugin/11537 "2023-03-01T12:37:40Z")

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I was wondering if could help with starting to create a framework for an hdf file reader I been using this documentation: util.vtkAlgorithm Module — ParaView/Python 5.11.0-871-gc6c68e9e48 documentation (kitware.github.…

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