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2023-06-29 11:55:02 +08:00
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03-UnrealEngine/Rendering/Lighting/解决UE5植被阴影出现噪点的问题.md Normal file
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---
title: 解决UE5植被阴影出现噪点的问题
date: 2022-09-26 11:04:44
excerpt:
tags: Lumen
rating: ⭐
---
## 调节参数
默认为32改成4。
>r.Lumen.ScreenProbeGather.DownsampleFactor 4
默认为0.02改成0.01，阴影会变亮一些，也可以减少噪点。
>r.Lumen.ScreenProbeGather.ScreenTraces.HZBTraversal.RelativeDepthThickness = "0.01"
最后需要将预览质量从EPIC调整到Cinematic，草上的噪点就没有了。