# Estimating volume of separated surfaces, plotting histogram

**URL:** https://discourse.paraview.org/t/estimating-volume-of-separated-surfaces-plotting-histogram/12005
**Category:** ParaView Support
**Created:** [May 2, 2023, 4:53pm UTC](https://discourse.paraview.org/t/estimating-volume-of-separated-surfaces-plotting-histogram/12005 "2023-05-02T16:53:18Z")
**Posts on this page:** 1
**Showing post:** 6

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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: [May 9, 2023, 2:40pm UTC](https://discourse.paraview.org/t/estimating-volume-of-separated-surfaces-plotting-histogram/12005/6 "2023-05-09T14:40:11Z")

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Sure enough, now that I check the column next to the volume the validity score is 0 not 1. and the row that I checked on using @Kenneth_Moreland 's steps shows a nice big unenclosed mesh.

 ![image](https://discourse.paraview.org/uploads/default/original/2X/d/d80c92007174ca8dca779fb04b5b52931b46d6d1.png)

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