Community Tutorial: Increasing frame rate using only lighting in Unreal Engine

General Tutorial & Course Discussions
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Here’s how Out of the Blue Games worked on lighting in their Unreal Engine-powered puzzle game Call of the Sea.

https://dev.epicgames.com/community/learning/tutorials/DYVR/increasing-frame-rate-using-only-lighting-in-unreal-engine

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Good afternoon i read your documentation and i have a question.

When you are talking about the r.VolumetricFog.GridSizeZ (you have a gif to show the difference) you put the next sentence “Lower values give higher resolution on the Volumetric Casting but are also more expensive:”

Inside the documentation about the same topyc, volumetric fog in the unreal engine documentation it said the opposite “The number of Z slices can be adjusted by using r.VolumetricFog.GridSizeZ, where higher is better quality, but will be more expensive.”

I have a question about that because the information seems different in both documents. May you give me please more information about this topyc, I am interest about it.