# interpolation of two planes in 3d with different resolutions

**URL:** https://discourse.paraview.org/t/interpolation-of-two-planes-in-3d-with-different-resolutions/16243
**Category:** ParaView Support
**Created:** [February 26, 2025, 4:34pm UTC](https://discourse.paraview.org/t/interpolation-of-two-planes-in-3d-with-different-resolutions/16243 "2025-02-26T16:34:10Z")
**Posts on this page:** 4
**Page:** 1

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### Author: ![Devin\_Richard\_Bayly](https://discourse.paraview.org/user_avatar/discourse.paraview.org/devin_richard_bayly/32/5533_2.png) [@Devin\_Richard\_Bayly](https://discourse.paraview.org/u/Devin_Richard_Bayly)
#### Post date: [February 26, 2025, 4:34pm UTC](https://discourse.paraview.org/t/interpolation-of-two-planes-in-3d-with-different-resolutions/16243/1 "2025-02-26T16:34:10Z")

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Hello there,

I have a researcher interested in constructing a dataset for volumetric visualization out the interpolation of two planes that are offset from each other

 ![image](https://discourse.paraview.org/uploads/default/original/3X/f/9/f96c49fd559593d412cb0788238a67da23f06c07.png)

Is there a straightforward interpolator filter in paraview that will help us with this? Or should we handle this outside of paraview?

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### Author: ![mwestphal](https://discourse.paraview.org/user_avatar/discourse.paraview.org/mwestphal/32/17_2.png) [@mwestphal](https://discourse.paraview.org/u/mwestphal)
#### Post date: [February 26, 2025, 4:39pm UTC](https://discourse.paraview.org/t/interpolation-of-two-planes-in-3d-with-different-resolutions/16243/2 "2025-02-26T16:39:13Z")

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Just for checking, what kind of values do you expect to have between the two planes ? zero ? or some kind of interpolation of the two planes ?

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### Author: ![Devin\_Richard\_Bayly](https://discourse.paraview.org/user_avatar/discourse.paraview.org/devin_richard_bayly/32/5533_2.png) [@Devin\_Richard\_Bayly](https://discourse.paraview.org/u/Devin_Richard_Bayly)
#### Post date: [February 26, 2025, 4:42pm UTC](https://discourse.paraview.org/t/interpolation-of-two-planes-in-3d-with-different-resolutions/16243/3 "2025-02-26T16:42:49Z")

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Hey @mwestphal , this was a super quick reply!

In between I’d hope to have something like the interpolation of the values on the planes.

I tried making the planes, point data and then using the point volume interpolation, but I can’t get it to perform the interpolation strictly along something like the normal vector of the surface?

I did get close I think with the linear kernel, and “n closest” as the footprint, but I can tell that it’s also mixing values with neighboring points along the same plane which wasn’t the goal necessarily (although I might need to check with the researcher if this behavior is to be avoided)?

 ![image](https://discourse.paraview.org/uploads/default/original/3X/a/e/ae4f0ba8104ab903eceb6fe2e76ce75508a3840c.png)

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### Author: ![mwestphal](https://discourse.paraview.org/user_avatar/discourse.paraview.org/mwestphal/32/17_2.png) [@mwestphal](https://discourse.paraview.org/u/mwestphal)
#### Post date: [February 26, 2025, 4:52pm UTC](https://discourse.paraview.org/t/interpolation-of-two-planes-in-3d-with-different-resolutions/16243/4 "2025-02-26T16:52:24Z")

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Indeed, I dont think there is a tool that will perform the linear interpolation between the two planes alongside the axis.

It shouldnt be too hard to implement in a programmable filter though.
