# Development

**URL:** https://discourse.paraview.org/c/development/6.md?no_subcategories=false&page=23

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

**Page:** 24

---

## [ParaView Mac Big Sur release date](https://discourse.paraview.org/t/paraview-mac-big-sur-release-date/5795)

<div class="topic-metadata">

**Author:** [@Giovanni](https://discourse.paraview.org/u/Giovanni)\
**Replies:** 8\
**Last updated:** [January 21, 2021, 6:39am UTC](https://discourse.paraview.org/t/paraview-mac-big-sur-release-date/5795 "2021-01-21T06:39:55Z")

</div>

When do you expect to release ParaView version compatible with Mac Big Sur?

---

## [Can ParaView process composite datasets in parallel?](https://discourse.paraview.org/t/can-paraview-process-composite-datasets-in-parallel/6254)

<div class="topic-metadata">

**Author:** [@jaswantp](https://discourse.paraview.org/u/jaswantp)\
**Replies:** 17\
**Last updated:** [January 20, 2021, 12:42pm UTC](https://discourse.paraview.org/t/can-paraview-process-composite-datasets-in-parallel/6254 "2021-01-20T12:42:07Z")

</div>

I have a simple filter (let’s suppose it’s similar to vtkTriangleFilter) w/ 1 in, 1 out port. I derive from vtkPointSetAlgorithm so it supports both vtkPolyData and vtkUnstructuredGridBase With the necessary CMake infra…

---

## [Version test documentation](https://discourse.paraview.org/t/version-test-documentation/6219)

<div class="topic-metadata">

**Author:** [@Andy\_Bauer](https://discourse.paraview.org/u/Andy_Bauer)\
**Replies:** 3\
**Last updated:** [January 15, 2021, 5:31pm UTC](https://discourse.paraview.org/t/version-test-documentation/6219 "2021-01-15T17:31:03Z")

</div>

With in situ becoming more prevalent I was wondering about the possibility of documenting the test status of ParaView releases. The reason for this is as we push for better testing in our simulation codes, especially pro…

---

## [How can I install and import other modules inside pvpython?](https://discourse.paraview.org/t/how-can-i-install-and-import-other-modules-inside-pvpython/3067)

<div class="topic-metadata">

**Author:** [@Waqas\_Ahmad](https://discourse.paraview.org/u/Waqas_Ahmad)\
**Replies:** 5\
**Last updated:** [January 10, 2021, 11:13pm UTC](https://discourse.paraview.org/t/how-can-i-install-and-import-other-modules-inside-pvpython/3067 "2021-01-10T23:13:37Z")

</div>

I need to import module ‘zmq’. I have tried to run pip but no luck and then get-pip.py with pvpython but it also produce some error. Any help will be really appreciated.

---

## [Python Stable Binary API](https://discourse.paraview.org/t/python-stable-binary-api/4793)

<div class="topic-metadata">

**Author:** [@utkarsh.ayachit](https://discourse.paraview.org/u/utkarsh.ayachit)\
**Replies:** 2\
**Last updated:** [January 6, 2021, 3:47pm UTC](https://discourse.paraview.org/t/python-stable-binary-api/4793 "2021-01-06T15:47:29Z")

</div>

Is anyone familiar with Python Stable Application Binary Interface? Am I reading this correctly that if we build ParaView limiting ourselves to the stable API we can always easily use any compatible version of Python at …

---

## [visitbridge](https://discourse.paraview.org/t/visitbridge/4696)

<div class="topic-metadata">

**Author:** [@kayarre](https://discourse.paraview.org/u/kayarre)\
**Replies:** 1\
**Last updated:** [January 6, 2021, 2:30pm UTC](https://discourse.paraview.org/t/visitbridge/4696 "2021-01-06T14:30:06Z")

</div>

What dependecies does one need to compile VisItBridge module ? I am trying to compile it as a standalone vtk module instead of with paraview. I think I have it compiling, but I am not sure about these settings. do I nee…

---

## [Colormaps and widgets vs pipeline sources](https://discourse.paraview.org/t/colormaps-and-widgets-vs-pipeline-sources/6133)

<div class="topic-metadata">

**Author:** [@dcthomp](https://discourse.paraview.org/u/dcthomp)\
**Replies:** 4\
**Last updated:** [January 1, 2021, 8:14pm UTC](https://discourse.paraview.org/t/colormaps-and-widgets-vs-pipeline-sources/6133 "2021-01-01T20:14:56Z")

</div>

Hi all, I’m working on a custom 3-D widget and don’t understand how to make it display data using a colormap that PV users can edit. The interactive widget inherits pqInteractivePropertyWidget and has proxy that owns…

---

## [Raytracing + Nonlinear Subdivision Level + Surface with Edges draws too many edges](https://discourse.paraview.org/t/raytracing-nonlinear-subdivision-level-surface-with-edges-draws-too-many-edges/5648)

<div class="topic-metadata">

**Author:** [@GregVernon](https://discourse.paraview.org/u/GregVernon)\
**Replies:** 1\
**Last updated:** [December 23, 2020, 9:35pm UTC](https://discourse.paraview.org/t/raytracing-nonlinear-subdivision-level-surface-with-edges-draws-too-many-edges/5648 "2020-12-23T21:35:49Z")

</div>

When showing the element edges (i.e. render as Surface With Edges ) and increasing the Nonlinear Subdivision Level from 0 -\> 4, the render facets’ edges are being drawn when using raytracing. I made an issue for this ov…

---

## [Default value for PARAVIEW\_RELOCATABLE\_INSTALL](https://discourse.paraview.org/t/default-value-for-paraview-relocatable-install/5888)

<div class="topic-metadata">

**Author:** [@utkarsh.ayachit](https://discourse.paraview.org/u/utkarsh.ayachit)\
**Replies:** 9\
**Last updated:** [December 23, 2020, 12:38pm UTC](https://discourse.paraview.org/t/default-value-for-paraview-relocatable-install/5888 "2020-12-23T12:38:10Z")

</div>

I wonder if PARAVIEW\_RELOCATABLE\_INSTALL should default to OFF. Typically, when one builds ParaView and installs it for building plugins etc., it just seems that the default behavior should be that ParaView finds all its…

---

## [ParaView 5.9RC2 OSPRay pathtracer](https://discourse.paraview.org/t/paraview-5-9rc2-ospray-pathtracer/6094)

<div class="topic-metadata">

**Author:** [@insley](https://discourse.paraview.org/u/insley)\
**Replies:** 2\
**Last updated:** [December 18, 2020, 5:21pm UTC](https://discourse.paraview.org/t/paraview-5-9rc2-ospray-pathtracer/6094 "2020-12-18T17:21:23Z")

</div>

In PV 5.9RC2 with OSPRay pathtracer turned on, and Background mode set to Environment, if you set Path Traced Environment to Gradient it renders a sphere at the Environment North and Environment East locations. Is there…

---

## [plugins search path](https://discourse.paraview.org/t/plugins-search-path/6080)

<div class="topic-metadata">

**Author:** [@jfavre](https://discourse.paraview.org/u/jfavre)\
**Replies:** 2\
**Last updated:** [December 17, 2020, 12:14pm UTC](https://discourse.paraview.org/t/plugins-search-path/6080 "2020-12-17T12:14:44Z")

</div>

The Plugin Manager tells me that plugins are automatically searched for in \<INSTALL\_PATH\>/bin/plugins, however everywhere I compile and install ParaView, plugins are placed in \<INSTALL\_PATH\>/lib64/paraview-5.9/plugins. …

---

## [5.9-RC2 vtkOSPRayMaterialLibrary: JSON parsing error](https://discourse.paraview.org/t/5-9-rc2-vtkospraymateriallibrary-json-parsing-error/6079)

<div class="topic-metadata">

**Author:** [@jfavre](https://discourse.paraview.org/u/jfavre)\
**Replies:** 0\
**Last updated:** [December 16, 2020, 5:39pm UTC](https://discourse.paraview.org/t/5-9-rc2-vtkospraymateriallibrary-json-parsing-error/6079 "2020-12-16T17:39:01Z")

</div>

I have 5.9-RC2 compiled on my desktop, and on 3 different Cray servers. No problem with the first two servers which have well-tuned installs. The 3rd Cray is a new beast. Batch-mode works fine (so far). But when connecti…

---

## [Change time label in Current Time toolbar](https://discourse.paraview.org/t/change-time-label-in-current-time-toolbar/6025)

<div class="topic-metadata">

**Author:** [@Raimonds\_Vilums](https://discourse.paraview.org/u/Raimonds_Vilums)\
**Replies:** 3\
**Last updated:** [December 14, 2020, 11:27am UTC](https://discourse.paraview.org/t/change-time-label-in-current-time-toolbar/6025 "2020-12-14T11:27:29Z")

</div>

Hi! Is there a possibility to change the text “Time:” in the Current Time toolbar to something else without rebuilding all ParaView? We use different frequency values for optimization. The animation is handy, but the t…

---

## [Data set lost after filter glyph. (Paraview 5.8.1)](https://discourse.paraview.org/t/data-set-lost-after-filter-glyph-paraview-5-8-1/6051)

<div class="topic-metadata">

**Author:** [@Yang](https://discourse.paraview.org/u/Yang)\
**Replies:** 2\
**Last updated:** [December 14, 2020, 5:33am UTC](https://discourse.paraview.org/t/data-set-lost-after-filter-glyph-paraview-5-8-1/6051 "2020-12-14T05:33:43Z")

</div>

I have a data set with several vector fields, after apply the glyph filter, the first vector fields always lost in the glyph as shown in the picture below. The file contains three vectors u1, u2 and u3, but only u2 and u…

---

## [Interactively pick single cells from an unstructured grid](https://discourse.paraview.org/t/interactively-pick-single-cells-from-an-unstructured-grid/5605)

<div class="topic-metadata">

**Author:** [@cobo](https://discourse.paraview.org/u/cobo)\
**Replies:** 2\
**Last updated:** [December 11, 2020, 9:44am UTC](https://discourse.paraview.org/t/interactively-pick-single-cells-from-an-unstructured-grid/5605 "2020-12-11T09:44:42Z")

</div>

For a number of my custom filters users need to pick a number of cells from an unstructured grid interactively. So far I am using the ParaView selection system for this: the user picks cells and the filter can process it…

---

## [Help needed with vtkSelectionNode and Query](https://discourse.paraview.org/t/help-needed-with-vtkselectionnode-and-query/6008)

<div class="topic-metadata">

**Author:** [@Loic](https://discourse.paraview.org/u/Loic)\
**Replies:** 2\
**Last updated:** [December 9, 2020, 12:19pm UTC](https://discourse.paraview.org/t/help-needed-with-vtkselectionnode-and-query/6008 "2020-12-09T12:19:19Z")

</div>

Hi, I’m working on a Python plugin for ParaView. I’m using the ResampleWithDataset filter and i need to deal with invalid nodes, where the field vtkValidPointMask is set to 0. I’m trying to use vtkSelectionNode to ext…

---

## [Feature Request: Bulk-reload files in pipeline](https://discourse.paraview.org/t/feature-request-bulk-reload-files-in-pipeline/5948)

<div class="topic-metadata">

**Author:** [@bastian](https://discourse.paraview.org/u/bastian)\
**Replies:** 5\
**Last updated:** [December 4, 2020, 8:47pm UTC](https://discourse.paraview.org/t/feature-request-bulk-reload-files-in-pipeline/5948 "2020-12-04T20:47:03Z")

</div>

Dear Santa, it would be absolutely fabulous to be able to press F5 and have multiple input objects reload at once; e.g. all the objects below of what is currently selected in the pipeline or those that are currently sel…

---

## [ParaView 5.9.0-RC1 superbuild compile issues with scipy](https://discourse.paraview.org/t/paraview-5-9-0-rc1-superbuild-compile-issues-with-scipy/5785)

<div class="topic-metadata">

**Author:** [@joeh](https://discourse.paraview.org/u/joeh)\
**Replies:** 2\
**Last updated:** [December 3, 2020, 5:38pm UTC](https://discourse.paraview.org/t/paraview-5-9-0-rc1-superbuild-compile-issues-with-scipy/5785 "2020-12-03T17:38:19Z")

</div>

When compiling ParaView 5.9.0-RC1 I have found a number of issues on our Centennial system. Centennial is a RHEL 7.7 system, where the compiler is gcc 7.3.0 First if -DENABLE\_scipy=ON is used then \`building ‘scipy.…

---

## [Paraview Animation Proposal](https://discourse.paraview.org/t/paraview-animation-proposal/5440)

<div class="topic-metadata">

**Author:** [@Guillaume\_Gindre](https://discourse.paraview.org/u/Guillaume_Gindre)\
**Replies:** 17\
**Last updated:** [December 2, 2020, 8:00pm UTC](https://discourse.paraview.org/t/paraview-animation-proposal/5440 "2020-12-02T20:00:37Z")

</div>

Paraview Animation Proposal TLDR This post describes the improvement plan proposed by the Kitware Europe Sci-Viz team regarding the animation feature of paraview. It is absolutely open to debate in any of its main points…

---

## [The label font sizes of the data axes grid change depending on view direction](https://discourse.paraview.org/t/the-label-font-sizes-of-the-data-axes-grid-change-depending-on-view-direction/5954)

<div class="topic-metadata">

**Author:** [@benediktB](https://discourse.paraview.org/u/benediktB)\
**Replies:** 3\
**Last updated:** [December 2, 2020, 12:19pm UTC](https://discourse.paraview.org/t/the-label-font-sizes-of-the-data-axes-grid-change-depending-on-view-direction/5954 "2020-12-02T12:19:08Z")

</div>

Hi everyone, I have a data set with activated data axes grid. I fix the font size of the labels to a given value. Then I take screenshots from different view directions using a loop. However, every view ends up with dif…

---

## [Global option for font family](https://discourse.paraview.org/t/global-option-for-font-family/5902)

<div class="topic-metadata">

**Author:** [@RED](https://discourse.paraview.org/u/RED)\
**Replies:** 0\
**Last updated:** [November 26, 2020, 2:02pm UTC](https://discourse.paraview.org/t/global-option-for-font-family/5902 "2020-11-26T14:02:42Z")

</div>

In my experience, if one desires to change the font family from the default setting which, in my Linux system, says “Arial” but doesn’t look like it at all, it is necessary to specify the new font component by component …

---

## [vtk hierarchy text file in superbuild](https://discourse.paraview.org/t/vtk-hierarchy-text-file-in-superbuild/5800)

<div class="topic-metadata">

**Author:** [@Nicholas\_Yue](https://discourse.paraview.org/u/Nicholas_Yue)\
**Replies:** 2\
**Last updated:** [November 20, 2020, 8:59pm UTC](https://discourse.paraview.org/t/vtk-hierarchy-text-file-in-superbuild/5800 "2020-11-20T20:59:58Z")

</div>

I am learning to build Paraview plugin and came across the following. I have a dependency on vtkIOCore and the wrapper code is looking for hierarchy txt file How do I build superbuild so that the vtk generates those hi…

---

## [Paraview 5.9.0-RCS superbuild configuration issue on Ubuntu 18.04](https://discourse.paraview.org/t/paraview-5-9-0-rcs-superbuild-configuration-issue-on-ubuntu-18-04/5789)

<div class="topic-metadata">

**Author:** [@Nicholas\_Yue](https://discourse.paraview.org/u/Nicholas_Yue)\
**Replies:** 4\
**Last updated:** [November 20, 2020, 8:53pm UTC](https://discourse.paraview.org/t/paraview-5-9-0-rcs-superbuild-configuration-issue-on-ubuntu-18-04/5789 "2020-11-20T20:53:27Z")

</div>

– Determined source version for paraview: 5.9.0-RC1 – Enabling cxx11 as requested. – Enabling nlohmannjson as requested. – Enabling python for: pybind11 – Enabling paraview as requested. – Enabling paraviewsdk as re…

---

## [ParaView 5.9.0-RC1 superbuild package configuration issue affecting matplotlib's detection of freetype and zlib](https://discourse.paraview.org/t/paraview-5-9-0-rc1-superbuild-package-configuration-issue-affecting-matplotlibs-detection-of-freetype-and-zlib/5831)

<div class="topic-metadata">

**Author:** [@joeh](https://discourse.paraview.org/u/joeh)\
**Replies:** 19\
**Last updated:** [November 20, 2020, 8:05pm UTC](https://discourse.paraview.org/t/paraview-5-9-0-rc1-superbuild-package-configuration-issue-affecting-matplotlibs-detection-of-freetype-and-zlib/5831 "2020-11-20T20:05:49Z")

</div>

The ParaView 5.9.0-RC1 superbuild does not seem to add the package config directory to it PKG\_CONFIG\_PATH unless you add it yourself setenv PKG\_CONFIG\_PATH Build\_dir/install}/lib/pkgconfig without this the matplotlib s…

---

## [Are ParaView Guide books deprecated?](https://discourse.paraview.org/t/are-paraview-guide-books-deprecated/5473)

<div class="topic-metadata">

**Author:** [@wascott](https://discourse.paraview.org/u/wascott)\
**Replies:** 2\
**Last updated:** [November 18, 2020, 3:26am UTC](https://discourse.paraview.org/t/are-paraview-guide-books-deprecated/5473 "2020-11-18T03:26:49Z")

</div>

Why do we still have the ParaView books (v 4.3, no less) still linked off of the ParaView website? paraview.org/ Resources/ ParaView Guide. The actual Paraview Guide is now online, found here: https://docs.paraview.or…

---

## [ParaView 5.9.0-RC1 superbuild install issue with Python](https://discourse.paraview.org/t/paraview-5-9-0-rc1-superbuild-install-issue-with-python/5825)

<div class="topic-metadata">

**Author:** [@joeh](https://discourse.paraview.org/u/joeh)\
**Replies:** 2\
**Last updated:** [November 17, 2020, 2:05pm UTC](https://discourse.paraview.org/t/paraview-5-9-0-rc1-superbuild-install-issue-with-python/5825 "2020-11-17T14:05:28Z")

</div>

When using the supebuild for ParaView 5.9.0-RC1 on Redhat 7.8 there is an error when installing the superbuild built osmesa version, the installer is looking for python, python-config, and (maybe pydoc) but instead only…

---

## [Learning Paraview Plugin development : typo or some implicit dependency ?](https://discourse.paraview.org/t/learning-paraview-plugin-development-typo-or-some-implicit-dependency/5798)

<div class="topic-metadata">

**Author:** [@Nicholas\_Yue](https://discourse.paraview.org/u/Nicholas_Yue)\
**Replies:** 1\
**Last updated:** [November 15, 2020, 2:04pm UTC](https://discourse.paraview.org/t/learning-paraview-plugin-development-typo-or-some-implicit-dependency/5798 "2020-11-15T14:04:42Z")

</div>

I believe the above should be MyTiffWriter but since I am new to Paraview plugin, I am unsure. Cheers

---

## [Simple exporter plugin development - crash with unable to create class error](https://discourse.paraview.org/t/simple-exporter-plugin-development-crash-with-unable-to-create-class-error/5765)

<div class="topic-metadata">

**Author:** [@Nicholas\_Yue](https://discourse.paraview.org/u/Nicholas_Yue)\
**Replies:** 1\
**Last updated:** [November 13, 2020, 6:23pm UTC](https://discourse.paraview.org/t/simple-exporter-plugin-development-crash-with-unable-to-create-class-error/5765 "2020-11-13T18:23:38Z")

</div>

Hi, I am writing a custom data exporter (writing out \*.nsi files for 3Delight renderer) As Paraview is going through some transition for building plugins and most of the available information via googling refers to the…

---

## [vtkStringArray is not properly added when vtkUnstructuredGrid is outputted as PVTU file](https://discourse.paraview.org/t/vtkstringarray-is-not-properly-added-when-vtkunstructuredgrid-is-outputted-as-pvtu-file/3087)

<div class="topic-metadata">

**Author:** [@vchan1186](https://discourse.paraview.org/u/vchan1186)\
**Replies:** 6\
**Last updated:** [November 13, 2020, 9:57am UTC](https://discourse.paraview.org/t/vtkstringarray-is-not-properly-added-when-vtkunstructuredgrid-is-outputted-as-pvtu-file/3087 "2020-11-13T09:57:14Z")

</div>

I am trying to add a vtkStringArray to a vtkUnstructuredGrid using the AddArray method. The string array shows up in the spreadsheet view for serial vtu files, but does not appear when loading a pvtu file in ParaVi…

---

## [Extractors - Right click Pipeline Browser?](https://discourse.paraview.org/t/extractors-right-click-pipeline-browser/5784)

<div class="topic-metadata">

**Author:** [@chart3388](https://discourse.paraview.org/u/chart3388)\
**Replies:** 2\
**Last updated:** [November 12, 2020, 11:27pm UTC](https://discourse.paraview.org/t/extractors-right-click-pipeline-browser/5784 "2020-11-12T23:27:34Z")

</div>

Should the Extractors be added as a right-click menu option in the Pipeline Browser much like Add Filter? Since these Extractors act similar to a Filter and one might want to be able to add them from the Pipeline Browse…

[Previous page](https://discourse.paraview.org/c/development/6.md?no_subcategories=false&page=22)

[Next page](https://discourse.paraview.org/c/development/6.md?no_subcategories=false&page=24)