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HDR darkens scene at very early dawn
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In some cases the HDR darkens the scene at times when it should lighten it up, making the effect of street/car lights almost none and making everything almost black, even though it should become lighter.


Legacy ID
Steps To Reproduce
  1. Place unit at the pier in Agia Marina
  2. Set date to 6 june, time to 02.15
  3. Observe nicely working HDR and streetlights.
  4. 2. Set date to 6 june, time to 02.45
  5. Observe almost black scene, upon closer inspection streetlights still seem to be working, but have no effect. Possibly caused by HDR because of the slightly enlightened sky.

Event Timeline

NeMeSiS edited Steps To Reproduce. (Show Details)Mar 5 2013, 9:05 PM
NeMeSiS edited Additional Information. (Show Details)
NeMeSiS set Category to Visual-Environment.
NeMeSiS set Reproducibility to Always.
NeMeSiS set Severity to Minor.
NeMeSiS set Resolution to Fixed.
NeMeSiS set Legacy ID to 1835712955.May 7 2016, 10:33 AM

I made a quick video of the issue. Note how the lights loose intensity as soon as the sky gets lighter. Dynamic lights should keep their intensity until it's bright enough to see without NVGs.
Video starts at 2:40 in the morning

Have you tried turning off the HDR and see how that affects?

Nevrin added a subscriber: Nevrin.May 7 2016, 10:33 AM

Confirming. With steps provided, it was easy to reproduce. If only every report was like this. HDR settings doesnt seem to affect the dimming of the street lights. I dont think you can turn off HDR. Settings on my computed can be either low or standard HDR.

Related to this

It seems it has something to do with the twilight.

It seems this time of day is simply not finished yet.

Having the same issue, the entire scene gets darkened to an extend where I can hardly make out anything during the first and last hours of night. During this time it's nearly impossible to read the watch and compass, flashlights, street lights and headlights are weakened and have low range, chemlights hardly provide any light and even muzzle flashes are darkened strongly, opposite of what you would expect in this light condition.

Tried everything, turning Gamma and Brightness all the way up doesn't make it better either.

Khan added a comment.May 6 2013, 12:17 PM

I was unable to reproduce this bug.

Please let us know if you are still able to reproduce this issue in latest Developement build, Thank you.

Fixed in the (recent) Development build that changed the lighting, however, so far only the lamps in the harbor seem to have been updated, most of the inner town is still completely dark.

Khan added a comment.May 24 2013, 11:50 AM

Can you please confirm there is enough light now? There should be lampposts scattered around the city.

Seems fixed for all lights i could find, including vehicle headlamps. Looks nice.

A side effect that seems introduced around the time of my last feedback is the rather light sky, even at moonless nights. While the lighting of the terrain seems to correspond nicely to the brightness of the moon, the sky is always quite bright, mostly above the horizon.
During moonless nights this gives completely black terrain, with a nearly lightblue night-sky, which does not make sense. The sky should be scarcely brighter than the terrain, as the terrain should take its lighting from the entire sky, not just the moon.

Khan added a comment.May 28 2013, 2:36 PM

Issue was looked into and fixed/tweaked as designed.

Thank you for reporting this issue to us. We appreciate it.

If you want to report other problems, please create separate issue.