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Witnessed an odd behaviour in cloud shadows

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Steve, 

 

Just reporting what could be some kind of bug.

 

I was flying over the ocean, the sun was setting, I switched to the copilot seat camera and with my hat switch pointed the camera to the setting sun. The clouds passing over the sun's reflection had their shadows, as expected. 

 

As the sun lowered close to the horizon suddenly the cloud shadows froze in position and stopped following the clouds. When I moved the cam around, all the shadows followed, as if "baked on to the camera's sensor".

 

If I switched to any other camera, the issue disappeared. Shadows were behaving normally. But if I switched back to the copilot's camera, the baked cloud shadows were still there in the same positions.

 

I also saw an occasional shadow without a cloud :).

 

Thank you for developing this, i will not fly without it any more. I find this quite epic, actually, despite its limitations (mainly the shadows always being under the clouds).

 

I noticed the shadows don't darken default airport polygons and auto gen building - is this expected? (witnessed at Las Vegas)

 

Alex

Rui Laureano

Lisboa, Portugal

  • Author

Thanks Steve.

 

To answer your question, yes, it was the standard FSX cameras, flying with the PMDG MD11.

 

Cheers,

 

Alex

Rui Laureano

Lisboa, Portugal

Hi Steve,
 
i'm also seeing the cloud reflection image (and not the cloud shadow) baked into the views at dawn over the sea.  this is with standard fsx vc and external views.  as you can see in the video, it's faint and depends on viewing angle.  during daylight, all looks good, including the cloud shadows.

 

https://youtu.be/AV23Aem59XQ

 

with the cloud shadow addon turned off, i don't see this visual artifact. 

R9-9950X3D 32G  | RTX5090 | 3T m.2 | Win11 | vkb-gf ultimate & pedals | virpil cm3 throttle | tm boeing yoke | pimax super uw | DCS

 

 

 

  • Commercial Member

I have located both problem(s).

 

The dawn issue arises because the SimConnect documentation is wrong on the values of the TimeOfDay variable. To see

the issue you either have to fly day->dusk->night->dawn or having flown during the day reset the time backwards to dawn.

 

The dusk issue is that the specular shadows are not being disabled correctly - so the issue only exhibits if you are looking towards the sun.

Hi Steve,

dawn and dusk look great, thanks for the quick fix.  

R9-9950X3D 32G  | RTX5090 | 3T m.2 | Win11 | vkb-gf ultimate & pedals | virpil cm3 throttle | tm boeing yoke | pimax super uw | DCS

 

 

 

  • 2 weeks later...
  • Author

Thanks very much for fixing it, have just installed and going to test it.

Rui Laureano

Lisboa, Portugal

Archived

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