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In-outdoor sunlight exposure


In my model if I look at the indoor space the exposure is fine - I can see the light from the spot light and some sunlight coming from the window.

But when i look at the window, the room is darken which is unwanted. Is it kind of UE4 feature that imitate our eyes retina? Possible to disable it? (Or have I incorrectly set some value?)

The second image is done by the pro(The LakeHouse avaiable from market place) with no over-exposure problem look at the window from the indoor. Im trying to this (kind of) effective but no sccuee, anyone got ideas whats wrong??

Many thanks for your time.

Thanks, Leo

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Product Version: UE 4.16
ue4q2.jpg (133.7 kB)
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asked Aug 13 '17 at 12:33 PM in Rendering

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avatar image leoletsrock Aug 13 '17 at 12:34 PM

here is the second image - Wanted light effect

ue4q2b.jpg (118.5 kB)
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2 answers: sort voted first

Also, disable the auto exposure in ue4 preferences because this overrides the post processing feature in the PPV. What I usually do is set the min and max to the same thing so that the light does not adjust and I can get the lighting correct. After I adjust the lighting to my liking; I start with the PPV exposure and go to the darkest area of the room and adjust the min and max values.

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answered Aug 13 '17 at 03:11 PM

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avatar image leoletsrock Aug 14 '17 at 01:20 AM


Yes! Perfectly done! It's too "luxury" for interior design cg and now I can get a more precise lux control, ah and btw, do we have any function or plugin to do a lux level simulation? Just the DiaLux used by architectural design firms?

Thanks Leo

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You can adjust your exposure settings in a post processing volume.

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answered Aug 13 '17 at 12:51 PM

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avatar image leoletsrock Aug 13 '17 at 02:38 PM

Thanks! Googling it!

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