# Voxels - remove above a certain surface

**URL:** https://discourse.paraview.org/t/voxels-remove-above-a-certain-surface/1227
**Category:** ParaView Support
**Created:** [February 3, 2019, 9:22pm UTC](https://discourse.paraview.org/t/voxels-remove-above-a-certain-surface/1227 "2019-02-03T21:22:05Z")
**Posts on this page:** 1
**Page:** 1

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### Author: ![fanfan](https://discourse.paraview.org/letter_avatar_proxy/v4/letter/f/45deac/32.png) [@fanfan](https://discourse.paraview.org/u/fanfan)
#### Post date: [February 3, 2019, 9:22pm UTC](https://discourse.paraview.org/t/voxels-remove-above-a-certain-surface/1227/1 "2019-02-03T21:22:05Z")

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Hi,

I have a 3d raster and i would like to remove voxels above a DEM surface. I can use a 3d raster with cells or points.

Thanks  
F