# Surface LIC visualization

**URL:** https://discourse.paraview.org/t/surface-lic-visualization/17348
**Category:** ParaView Support
**Created:** [December 4, 2025, 6:58pm UTC](https://discourse.paraview.org/t/surface-lic-visualization/17348 "2025-12-04T18:58:34Z")
**Posts on this page:** 3
**Page:** 1

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### Author: ![kuhlen](https://discourse.paraview.org/letter_avatar_proxy/v4/letter/k/b5e925/32.png) [@kuhlen](https://discourse.paraview.org/u/kuhlen)
#### Post date: [December 4, 2025, 6:58pm UTC](https://discourse.paraview.org/t/surface-lic-visualization/17348/1 "2025-12-04T18:58:34Z")

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Hello everyone,

I’m going through the cavity tutorial in incompressible fluids. When I’m using surface LIC on my object I get this weird little triangle in the corner, where no lines appear. Does anyone know how I could fix this?

 ![cavity_LIC](https://discourse.paraview.org/uploads/default/original/3X/9/4/94c9937ef788f97482d1d11d300598db936dc005.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: [December 5, 2025, 9:11am UTC](https://discourse.paraview.org/t/surface-lic-visualization/17348/2 "2025-12-05T09:11:27Z")

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You are seeing this issue:

[https://gitlab.kitware.com/paraview/paraview/-/issues/17388](https://gitlab.kitware.com/paraview/paraview/-/issues/17388)

> Does anyone know how I could fix this?

Avoid exact zeros in your data.

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### Author: ![kuhlen](https://discourse.paraview.org/letter_avatar_proxy/v4/letter/k/b5e925/32.png) [@kuhlen](https://discourse.paraview.org/u/kuhlen)
#### Post date: [December 5, 2025, 11:52am UTC](https://discourse.paraview.org/t/surface-lic-visualization/17348/3 "2025-12-05T11:52:18Z")

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Thanks!