Why pixel inspector hdr luminance always 0?

Ue4.27.2
Why pixel inspector hdr luminance always 0 ?

Hey @TON14!

It’s a bit hard to answer your question with the information you provided. Are you having a problem with your luminance or is this a general question about the pixel inspector? If you are having a problem, would you go into more detail about what is going wrong?

In the meantime, check out this video that goes over Luminance in the Pixel Inspector and explains how it works:

Any additional specifics or information you can provide will go a long way in solving your problem!

i found solution…
Just press G (Game View)…

When viewport in Game View , Pixel Insperctor - luminance update value.
When viewport in non GameView luminance value always show 0.