I have a problem where if I have an ExponentialHeightFog in my level and take a highres screenshot I get it to show/work only on the top left part of the render like the white area of the picture below:
I just did a quick test with this in 4.10.2 and I’m not seeing the same issue.
I added an Exponential Height Fog to my scene with default settings and with maxed out settings. I did a screenshot from each of these separately using the console command HighResShot 1 and using the screenshot tool from the drop down in the viewport.
Can you provide any more information about the following:
What settings are you using for the Exponential Height Fog?
Are you using the Screenshot tool or the console command? Detail any settings you use for each of these?
Is this only happening with this level of your project? If so, can you try in a new default level and see if you see the same issue.
Is this happening in a new template/blank project?