# Obtain the variation of physical information on the cross-section with spatial position

**URL:** https://discourse.paraview.org/t/obtain-the-variation-of-physical-information-on-the-cross-section-with-spatial-position/15668
**Category:** ParaView Support
**Tags:** vtk
**Created:** [October 31, 2024, 3:56am UTC](https://discourse.paraview.org/t/obtain-the-variation-of-physical-information-on-the-cross-section-with-spatial-position/15668 "2024-10-31T03:56:32Z")
**Posts on this page:** 1
**Page:** 1

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### Author: ![Guanlong](https://discourse.paraview.org/letter_avatar_proxy/v4/letter/g/82dd89/32.png) [@Guanlong](https://discourse.paraview.org/u/Guanlong)
#### Post date: [October 31, 2024, 3:56am UTC](https://discourse.paraview.org/t/obtain-the-variation-of-physical-information-on-the-cross-section-with-spatial-position/15668/1 "2024-10-31T03:56:32Z")

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Hello, researchers. I have made a section, and now I want to obtain the average porosity variation at different axial positions on the section. The target result is shown in the following figure. How can I obtain similar results? Thank you very much.  
 ![a5ca1cd7de381993d9d6f251aa27d5b](https://discourse.paraview.org/uploads/default/original/2X/a/a6fea67675dffed033077ddfd4a0f1d9323279bf.png)

 ![d0e2de760bca054047677af7785617e](https://discourse.paraview.org/uploads/default/original/2X/9/98283fc01a1df01a779c9ad05a45c4ba7b6bf7d7.png)  
[Case.zip](https://discourse.paraview.org/uploads/short-url/uPWyUMWaopwDiZZlNY3KOxKtyBE.zip) (2.2 MB)