# point volumn interpolator

**URL:** https://discourse.paraview.org/t/point-volumn-interpolator/13005
**Category:** ParaView Support
**Created:** [October 8, 2023, 2:04am UTC](https://discourse.paraview.org/t/point-volumn-interpolator/13005 "2023-10-08T02:04:57Z")
**Posts on this page:** 2
**Page:** 1

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### Author: ![Ericsson-paul](https://discourse.paraview.org/user_avatar/discourse.paraview.org/ericsson-paul/32/11233_2.png) [@Ericsson-paul](https://discourse.paraview.org/u/Ericsson-paul)
#### Post date: [October 8, 2023, 2:04am UTC](https://discourse.paraview.org/t/point-volumn-interpolator/13005/1 "2023-10-08T02:04:57Z")

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I want to realize the point volumn interpoltator in paraview by program, is there any specific source code for reference, I have a local vtkunstructedgrid file composed of regular grid (point data), the point data contains attribute data, I want to realize the point volumn interpoltator function by program (c++), please give me technical support, thank you!

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### Author: ![Kenichiro-Yoshimi](https://discourse.paraview.org/letter_avatar_proxy/v4/letter/k/ecc23a/32.png) [@Kenichiro-Yoshimi](https://discourse.paraview.org/u/Kenichiro-Yoshimi)
#### Post date: [October 10, 2023, 4:20am UTC](https://discourse.paraview.org/t/point-volumn-interpolator/13005/2 "2023-10-10T04:20:09Z")

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You may find the python test code for vtkPointInterpolator at

> <https://github.com/Kitware/VTK/tree/master/Filters/Points/Testing/Python>
>
> //github.com/Kitware/VTK/tree/master/Filters/Points/Testing/Python

You can also find the following C++ codes on vtk’s example site  
[https://examples.vtk.org/site/Cxx/Meshes/InterpolateFieldDataDemo/](https://examples.vtk.org/site/Cxx/Meshes/InterpolateFieldDataDemo/)  
[https://examples.vtk.org/site/Cxx/Meshes/PointInterpolator/](https://examples.vtk.org/site/Cxx/Meshes/PointInterpolator/)