# Development

**URL:** https://discourse.paraview.org/c/development/6.md?no_subcategories=false&page=5

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

**Page:** 6

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## [Not working in "Windows Sandbox"](https://discourse.paraview.org/t/not-working-in-windows-sandbox/15528)

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**Author:** [@BanucMKappNiles](https://discourse.paraview.org/u/BanucMKappNiles)\
**Replies:** 1\
**Last updated:** [October 10, 2024, 1:31pm UTC](https://discourse.paraview.org/t/not-working-in-windows-sandbox/15528 "2024-10-10T13:31:36Z")

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I am using Windows 10 Enterprise and I am trying to run it in “Windows Sandbox”. It is starting for 2 seconds with a window with white content and then it crashes and closes. Can someone maybe try to run it in Windows Sa…

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## [Failure to use Paraview with RDP](https://discourse.paraview.org/t/failure-to-use-paraview-with-rdp/14123)

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**Author:** [@joint](https://discourse.paraview.org/u/joint)\
**Replies:** 2\
**Last updated:** [October 10, 2024, 9:11am UTC](https://discourse.paraview.org/t/failure-to-use-paraview-with-rdp/14123 "2024-10-10T09:11:18Z")

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Hello dear Paraview developers! I’ve faced the fact that Paraview does not work with RDP |vtkRemotingCore-pv7.0.dll!vtkProcessModule::RegisterSession(vtkSession \* session) Line 381|C++| |---|---| |vtkRemotingServerMana…

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## [Potential length overflow for large data](https://discourse.paraview.org/t/potential-length-overflow-for-large-data/15516)

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**Author:** [@pkufourier](https://discourse.paraview.org/u/pkufourier)\
**Replies:** 0\
**Last updated:** [October 8, 2024, 8:04am UTC](https://discourse.paraview.org/t/potential-length-overflow-for-large-data/15516 "2024-10-08T08:04:05Z")

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This problem happens when I loaded a data exceed 2GB that was generated by AMReX, with Paraview 5.13.0 under Windows 10. See details at The WriteMultiLevelPlotfile or Paraview seems to overflow for large data sheet · Is…

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## [How to get name of the file in the consequent filters downstream in the pipeline](https://discourse.paraview.org/t/how-to-get-name-of-the-file-in-the-consequent-filters-downstream-in-the-pipeline/15495)

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**Author:** [@joint](https://discourse.paraview.org/u/joint)\
**Replies:** 0\
**Last updated:** [October 4, 2024, 11:10am UTC](https://discourse.paraview.org/t/how-to-get-name-of-the-file-in-the-consequent-filters-downstream-in-the-pipeline/15495 "2024-10-04T11:10:16Z")

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Hello! I have the file that is being read and then is processed by several filters. However, I want to use the original file name in one of the consequent filters to dump some data to relevant file for debug purposes. H…

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## [How to get the neighbour points of the current point in VTK?](https://discourse.paraview.org/t/how-to-get-the-neighbour-points-of-the-current-point-in-vtk/14864)

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**Author:** [@joint](https://discourse.paraview.org/u/joint)\
**Replies:** 2\
**Last updated:** [September 28, 2024, 10:52pm UTC](https://discourse.paraview.org/t/how-to-get-the-neighbour-points-of-the-current-point-in-vtk/14864 "2024-09-28T22:52:55Z")

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Hello! How to get the neighbour points of the current point in VTK? I am aware of quering the Cell. which this point belongs to, and than quering the points of these cells, however, due to the existence of elements of …

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## [Compile python shared object file to be compatible with paraview scripting python implementation](https://discourse.paraview.org/t/compile-python-shared-object-file-to-be-compatible-with-paraview-scripting-python-implementation/15412)

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**Author:** [@lucasmyers97](https://discourse.paraview.org/u/lucasmyers97)\
**Replies:** 1\
**Last updated:** [September 26, 2024, 5:01pm UTC](https://discourse.paraview.org/t/compile-python-shared-object-file-to-be-compatible-with-paraview-scripting-python-implementation/15412 "2024-09-26T17:01:06Z")

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I am trying to compile a shared object file to be used as a python module (this is done using pybind). As I understand it, the only thing necessary is the relevant include files for the Python API. In the CPython docs it…

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## [Use Paraview color map editor as separate programm/as component by another program](https://discourse.paraview.org/t/use-paraview-color-map-editor-as-separate-programm-as-component-by-another-program/15411)

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**Author:** [@jherb](https://discourse.paraview.org/u/jherb)\
**Replies:** 1\
**Last updated:** [September 20, 2024, 10:49am UTC](https://discourse.paraview.org/t/use-paraview-color-map-editor-as-separate-programm-as-component-by-another-program/15411 "2024-09-20T10:49:54Z")

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I would like to ask if it is possible/anybody has tried to use the color map editor of ParaView as a separate program or “call” it as a component from another program? How much effort would be needed to create such a “c…

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## [What do I have to do if I want to add new view?](https://discourse.paraview.org/t/what-do-i-have-to-do-if-i-want-to-add-new-view/15354)

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**Author:** [@joint](https://discourse.paraview.org/u/joint)\
**Replies:** 0\
**Last updated:** [September 8, 2024, 10:38am UTC](https://discourse.paraview.org/t/what-do-i-have-to-do-if-i-want-to-add-new-view/15354 "2024-09-08T10:38:59Z")

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Hello! Could you please clarify what I should do if I want to add a new view? How views\_and\_representations.xml is designed? What does it mean? Is it enough? Thanks

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## [Paraview 5.13 Reload file results in loosing data in viewport](https://discourse.paraview.org/t/paraview-5-13-reload-file-results-in-loosing-data-in-viewport/15327)

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**Author:** [@K\_Zurawski](https://discourse.paraview.org/u/K_Zurawski)\
**Replies:** 5\
**Last updated:** [September 7, 2024, 7:16am UTC](https://discourse.paraview.org/t/paraview-5-13-reload-file-results-in-loosing-data-in-viewport/15327 "2024-09-07T07:16:15Z")

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Hi. I’m working only with MED files and I don’t know if this applies to any other format. If I want to reload a file, using reload function, I’m loosing possibility to see results in vewport. All data is present in pipe…

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## [Looking for suggestions regarding file format](https://discourse.paraview.org/t/looking-for-suggestions-regarding-file-format/15350)

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**Author:** [@GregVernon](https://discourse.paraview.org/u/GregVernon)\
**Replies:** 1\
**Last updated:** [September 6, 2024, 7:36am UTC](https://discourse.paraview.org/t/looking-for-suggestions-regarding-file-format/15350 "2024-09-06T07:36:16Z")

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We’ve been using the .pvd file format for storing results (and ParaView for visualization/analysis) from our Coreform Flex isogeometric analysis solver for a few years and have some features requested by our customers th…

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## [Replacement default color map and background palette](https://discourse.paraview.org/t/replacement-default-color-map-and-background-palette/12712)

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**Author:** [@wascott](https://discourse.paraview.org/u/wascott)\
**Replies:** 47\
**Last updated:** [September 5, 2024, 11:48am UTC](https://discourse.paraview.org/t/replacement-default-color-map-and-background-palette/12712 "2024-09-05T11:48:04Z")

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We ( a group of developers) are thinking of replacing the default background palette with a color that is more neutral gray with a hint of red (i.e., making the background a warmer color). We are also discussing changin…

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## [Transition from multiblock to partitioned datasets in VTK and ParaView, a complete guide](https://discourse.paraview.org/t/transition-from-multiblock-to-partitioned-datasets-in-vtk-and-paraview-a-complete-guide/12061)

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**Author:** [@mwestphal](https://discourse.paraview.org/u/mwestphal)\
**Replies:** 5\
**Last updated:** [September 5, 2024, 10:27am UTC](https://discourse.paraview.org/t/transition-from-multiblock-to-partitioned-datasets-in-vtk-and-paraview-a-complete-guide/12061 "2024-09-05T10:27:45Z")

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1. The issues with vtkMultiBlockDataSet Multiblock Datasets (vtkMultiBlockDataSet) have been used in ParaView and VTK for representing a collection of datasets. Besides being a container for multiple datasets, called bl…

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## [A mix of gaussian points and surface representation](https://discourse.paraview.org/t/a-mix-of-gaussian-points-and-surface-representation/15344)

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**Author:** [@jeDuck](https://discourse.paraview.org/u/jeDuck)\
**Replies:** 0\
**Last updated:** [September 3, 2024, 12:47pm UTC](https://discourse.paraview.org/t/a-mix-of-gaussian-points-and-surface-representation/15344 "2024-09-03T12:47:38Z")

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Dear Paraview developers, I’m currently trying to implement a new type of UnstructuredGridRepresentation, which is the same as surface representation, except all the vertex cells are visualized as spheres, like in Gauss…

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## [Purpose of UpdatePlotProperties](https://discourse.paraview.org/t/purpose-of-updateplotproperties/15333)

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**Author:** [@joint](https://discourse.paraview.org/u/joint)\
**Replies:** 0\
**Last updated:** [September 1, 2024, 10:11am UTC](https://discourse.paraview.org/t/purpose-of-updateplotproperties/15333 "2024-09-01T10:11:09Z")

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Hello dear PV developers What for is this function needed? Remoting\\Views\\vtkXYChartRepresentation.cxx this-\>Internals-\>UpdatePlotProperties(this); Thanks

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## [Why is ProxyDefinitionManager NULL?](https://discourse.paraview.org/t/why-is-proxydefinitionmanager-null/15312)

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**Author:** [@joint](https://discourse.paraview.org/u/joint)\
**Replies:** 0\
**Last updated:** [August 27, 2024, 2:26pm UTC](https://discourse.paraview.org/t/why-is-proxydefinitionmanager-null/15312 "2024-08-27T14:26:15Z")

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Hello! I ve tried to add my custom view and representation But have faced some problems Seems, ProxyDefinitionManager = NULL causes them Why so and how to fix it?

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## [What is paraview prototype proxy?](https://discourse.paraview.org/t/what-is-paraview-prototype-proxy/15311)

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**Author:** [@joint](https://discourse.paraview.org/u/joint)\
**Replies:** 0\
**Last updated:** [August 27, 2024, 2:08pm UTC](https://discourse.paraview.org/t/what-is-paraview-prototype-proxy/15311 "2024-08-27T14:08:51Z")

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Hello dear paraview developers I have created a custom representation and view However it does not seem to work The reason for that is apparently that ‘paraview prototype proxy’ is not created. What is it? Thank you

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## [What for vtkPVContextView in vtkChartRepresentation is needed?](https://discourse.paraview.org/t/what-for-vtkpvcontextview-in-vtkchartrepresentation-is-needed/15308)

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**Author:** [@joint](https://discourse.paraview.org/u/joint)\
**Replies:** 0\
**Last updated:** [August 27, 2024, 7:35am UTC](https://discourse.paraview.org/t/what-for-vtkpvcontextview-in-vtkchartrepresentation-is-needed/15308 "2024-08-27T07:35:08Z")

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Hello! vtkChartRepresentation.cxx contains vtkWeakPointer\<vtkPVContextView\> ContextView; What for is it needed? Thanks

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## [Why is the vtkChartXY a factory class?](https://discourse.paraview.org/t/why-is-the-vtkchartxy-a-factory-class/15307)

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**Author:** [@joint](https://discourse.paraview.org/u/joint)\
**Replies:** 0\
**Last updated:** [August 27, 2024, 7:26am UTC](https://discourse.paraview.org/t/why-is-the-vtkchartxy-a-factory-class/15307 "2024-08-27T07:26:47Z")

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Hello dear ParaView developers Could you explain, Why is the vtkChartXY a factory class? Thank u

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## [What does Remoting\\Views\\Resources\\views\_and\_representations.xml file do?](https://discourse.paraview.org/t/what-does-remoting-views-resources-views-and-representations-xml-file-do/15298)

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**Author:** [@joint](https://discourse.paraview.org/u/joint)\
**Replies:** 4\
**Last updated:** [August 26, 2024, 9:14am UTC](https://discourse.paraview.org/t/what-does-remoting-views-resources-views-and-representations-xml-file-do/15298 "2024-08-26T09:14:32Z")

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Hello! What does Remoting\\Views\\Resources\\views\_and\_representations.xml do? Thanks

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## [how to - from arbitrary combined selection to simple list of cell ids?](https://discourse.paraview.org/t/how-to-from-arbitrary-combined-selection-to-simple-list-of-cell-ids/15291)

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**Author:** [@cobo](https://discourse.paraview.org/u/cobo)\
**Replies:** 1\
**Last updated:** [August 25, 2024, 1:15pm UTC](https://discourse.paraview.org/t/how-to-from-arbitrary-combined-selection-to-simple-list-of-cell-ids/15291 "2024-08-25T13:15:26Z")

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I am trying to understand the “new” way how selections are handled and can be combined with logical operators using “expressions”: looks great! However, once I have a vtkSelection in some filter class, containing whateve…

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## [What is input property in plugin xml?](https://discourse.paraview.org/t/what-is-input-property-in-plugin-xml/15286)

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**Author:** [@joint](https://discourse.paraview.org/u/joint)\
**Replies:** 0\
**Last updated:** [August 23, 2024, 9:49am UTC](https://discourse.paraview.org/t/what-is-input-property-in-plugin-xml/15286 "2024-08-23T09:49:59Z")

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Hello dear paraview developers! Could you explain please what it means? \<InputProperty command="SetInputConnection" name="Input" \> \<ProxyGroupDomain name="groups"\> \<Group na…

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## [Proxy from XML is inavailable from Python](https://discourse.paraview.org/t/proxy-from-xml-is-inavailable-from-python/15259)

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**Author:** [@joint](https://discourse.paraview.org/u/joint)\
**Replies:** 3\
**Last updated:** [August 21, 2024, 8:35am UTC](https://discourse.paraview.org/t/proxy-from-xml-is-inavailable-from-python/15259 "2024-08-21T08:35:05Z")

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Hello, dear Paraview developers I have the following XML file \<!-- Python fpr test --\> \<IntVectorProperty name="Settest" command="Settest" number\_of\_elements="1" default\_values="0" label="S…

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## [Assistance Required with EBSD Scan Analysis in ParaView](https://discourse.paraview.org/t/assistance-required-with-ebsd-scan-analysis-in-paraview/15262)

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**Author:** [@Muthanna](https://discourse.paraview.org/u/Muthanna)\
**Replies:** 0\
**Last updated:** [August 20, 2024, 7:57pm UTC](https://discourse.paraview.org/t/assistance-required-with-ebsd-scan-analysis-in-paraview/15262 "2024-08-20T19:57:24Z")

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Hello All, I hope this message finds you well. I have imported my EBSD scan into ParaView with the aim of determining the X, Y coordinates and the correct orientation for each grain to facilitate my simulation work. Ho…

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## [VKF model to 2d plane](https://discourse.paraview.org/t/vkf-model-to-2d-plane/14935)

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**Author:** [@Amio192](https://discourse.paraview.org/u/Amio192)\
**Replies:** 6\
**Last updated:** [August 20, 2024, 3:45pm UTC](https://discourse.paraview.org/t/vkf-model-to-2d-plane/14935 "2024-08-20T15:45:35Z")

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I have a newbie question, hopefully you can help me… I have the following 3d vkf model (attached) and I need to convert it to a 2d plane, to look like the second picure. How can I do this in Paraview? Thank you!

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## [Filter that takes a geometry and a selection as input](https://discourse.paraview.org/t/filter-that-takes-a-geometry-and-a-selection-as-input/15245)

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**Author:** [@cobo](https://discourse.paraview.org/u/cobo)\
**Replies:** 1\
**Last updated:** [August 19, 2024, 4:17pm UTC](https://discourse.paraview.org/t/filter-that-takes-a-geometry-and-a-selection-as-input/15245 "2024-08-19T16:17:19Z")

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Once I learned that in the SM XML file for a filter that takes some data plus a selection input, this would describe the selection input: \<InputProperty command="SetSelectionConnection" name="…

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## [How to update values in python paraview?](https://discourse.paraview.org/t/how-to-update-values-in-python-paraview/15251)

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**Author:** [@joint](https://discourse.paraview.org/u/joint)\
**Replies:** 13\
**Last updated:** [August 19, 2024, 2:05pm UTC](https://discourse.paraview.org/t/how-to-update-values-in-python-paraview/15251 "2024-08-19T14:05:24Z")

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Hello dear ParaView developers! I have a filter, and I call from python some functions for it (via command in xml) Some of filter’s fields are modified How can I update the value of filter’s field on the client then ? …

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## [bug on a VTK opening](https://discourse.paraview.org/t/bug-on-a-vtk-opening/15171)

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**Author:** [@Bastringue](https://discourse.paraview.org/u/Bastringue)\
**Replies:** 3\
**Last updated:** [August 9, 2024, 8:20pm UTC](https://discourse.paraview.org/t/bug-on-a-vtk-opening/15171 "2024-08-09T20:20:58Z")

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Hello, I have generated a .vtu file with MEDCoupling9.7 : it is a 3D Cube with 5 nodes for each axis. I can open it with Visit but not with Paraview-5.4.1. Very strangely, it works for a 4x4x4 nodes ! And by the way, i…

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## [How are plugin python wrappings formed based on XML?](https://discourse.paraview.org/t/how-are-plugin-python-wrappings-formed-based-on-xml/15105)

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**Author:** [@joint](https://discourse.paraview.org/u/joint)\
**Replies:** 3\
**Last updated:** [August 8, 2024, 10:15pm UTC](https://discourse.paraview.org/t/how-are-plugin-python-wrappings-formed-based-on-xml/15105 "2024-08-08T22:15:05Z")

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Hello dear Paraview developers! I have a widget which directly communicated with server part and sets some comples logic for my custom filter However it does not seem to work via python. I understand that is should no…

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## [Is UpdateInformation client-side?](https://discourse.paraview.org/t/is-updateinformation-client-side/15127)

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**Author:** [@joint](https://discourse.paraview.org/u/joint)\
**Replies:** 2\
**Last updated:** [August 8, 2024, 12:00pm UTC](https://discourse.paraview.org/t/is-updateinformation-client-side/15127 "2024-08-08T12:00:36Z")

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Hello! As it is said in the docs, vtkSMProperty is typically meant for pushing its values to a VTK object. However, a property may be marked as an InformationOnly property in which case its values are obtained from the…

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## [What is 'ignoring duplicate instance function' ?](https://discourse.paraview.org/t/what-is-ignoring-duplicate-instance-function/15098)

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**Author:** [@joint](https://discourse.paraview.org/u/joint)\
**Replies:** 1\
**Last updated:** [August 8, 2024, 7:46am UTC](https://discourse.paraview.org/t/what-is-ignoring-duplicate-instance-function/15098 "2024-08-08T07:46:04Z")

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Hello dear Paraview developers! I faced ‘ignoring duplicate instance function ’ error message What does it mean and how to fix it? Thanks!

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