# How can I calculate the distance between two 3D cloud points and how to view coincidence points between two surfaces.

**URL:** https://discourse.paraview.org/t/how-can-i-calculate-the-distance-between-two-3d-cloud-points-and-how-to-view-coincidence-points-between-two-surfaces/7007
**Category:** ParaView Support
**Tags:** opengl, python, releases, vtk
**Created:** [April 20, 2021, 1:08pm UTC](https://discourse.paraview.org/t/how-can-i-calculate-the-distance-between-two-3d-cloud-points-and-how-to-view-coincidence-points-between-two-surfaces/7007 "2021-04-20T13:08:24Z")
**Posts on this page:** 1
**Page:** 1

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### Author: ![Pppp](https://discourse.paraview.org/letter_avatar_proxy/v4/letter/p/ac8455/32.png) [@Pppp](https://discourse.paraview.org/u/Pppp)
#### Post date: [April 20, 2021, 1:08pm UTC](https://discourse.paraview.org/t/how-can-i-calculate-the-distance-between-two-3d-cloud-points-and-how-to-view-coincidence-points-between-two-surfaces/7007/1 "2021-04-20T13:08:24Z")

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How can I calculate the distance between two 3D cloud points and how to view coincidence points between two surfaces.