# Clip Closed Surface filter should pass data arrays

**URL:** https://discourse.paraview.org/t/clip-closed-surface-filter-should-pass-data-arrays/9193
**Category:** Feature Requests
**Created:** [March 16, 2022, 8:26am UTC](https://discourse.paraview.org/t/clip-closed-surface-filter-should-pass-data-arrays/9193 "2022-03-16T08:26:07Z")
**Posts on this page:** 3
**Page:** 1

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### Author: ![GregVernon](https://discourse.paraview.org/user_avatar/discourse.paraview.org/gregvernon/32/1494_2.png) [@GregVernon](https://discourse.paraview.org/u/GregVernon)
#### Post date: [March 16, 2022, 8:26am UTC](https://discourse.paraview.org/t/clip-closed-surface-filter-should-pass-data-arrays/9193/1 "2022-03-16T08:26:07Z")

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I have a dataset that is the surface of a volume – only the surface of the volume is exported to PVD. The dataset has simulation results embedded as cell and/or point data. I want to do a `Clip Closed Surface` filter so that it “looks” solid. However, this filter seems to remove all point and cell data.

I realize that this is probably a design decision, since no data exists inside the boundary surface, but it would seem that ParaView could simply assign `NaN` values on the generated surface(s)?

### Sphere source, colored by normals

 ![image](https://discourse.paraview.org/uploads/default/original/2X/2/2cf208ebcebc3b7f7d736ea772e399ca2e361f00.png)

### Clip Closed Surface, no datasets

 ![image](https://discourse.paraview.org/uploads/default/original/2X/3/3b69e610bae55f4fb567652798ba298da36db88d.png)

### Standard Clip, keeps datasets

 ![image](https://discourse.paraview.org/uploads/default/original/2X/3/3af94ab8d9dbb0e3eae144d8c4a7164e9f1edebe.png)

### Desired result, `NaN` assigned to closing surface

 ![image](https://discourse.paraview.org/uploads/default/original/2X/5/5d65d12b1e60db1a0191218c7fa8abf1713443ad.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: [March 28, 2022, 12:45pm UTC](https://discourse.paraview.org/t/clip-closed-surface-filter-should-pass-data-arrays/9193/2 "2022-03-28T12:45:33Z")

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This seems simple to add tbh. A few hours of work.

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### Author: ![Roman](https://discourse.paraview.org/letter_avatar_proxy/v4/letter/r/ed8c4c/32.png) [@Roman](https://discourse.paraview.org/u/Roman)
#### Post date: [April 19, 2023, 3:29pm UTC](https://discourse.paraview.org/t/clip-closed-surface-filter-should-pass-data-arrays/9193/3 "2023-04-19T15:29:51Z")

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I would like to second this request.