Issues with night lighting after 3.4

[Chok]

Hello Lockheed Martin.

I recently updated my sim from P3D V3.3 to 3.4. Since updating there have been issues with different sceneries when flying in to them at night.

As of now, I have seen the bug in Aerosofts Oslo, and Flytampas Dubai and Vienna airports.
The reason I decided to write on your forum and not theirs to start with, is that it is two different developers and I figured it could be a P3D problem and not a scenery specific problem, because the bug present in more than one scenery (just a guess, but worth a shot).

To trigger the bug you have to fly in to a scenery from somewhere else at night. When you do that, the textures for some of the lighting and fog around the terminals go missing, and will not reappear. If you then close, down the sim completely and load up the scenery fresh, the lighting/fog is back and working, as it should again. So it is only when P3D has to load the scenery in “on the fly” that the bug appears.

The bug have only been present since the upgrade to 3.4 because I can see from old screenshots that it used to work in 3.3, and i have not changed anything else on my setup besides the upgrade. Between now and the last time it worked.

Pictures showing the issue below.

Vienna missing: https://gyazo.com/77a38806f98c777868c332630b4f4b3e
Vienna OK: https://gyazo.com/d5a2c46f3028a141463fc49468e51d35

Dubai missing: https://gyazo.com/6bcfd180a6a7f44be0ab520f3223b8dc
Dubai OK: https://gyazo.com/d9ff7c2cf3f6fe5f1e0b20463b604c77

Oslo missing: https://gyazo.com/4e9dffe5a036ed3fcd1f4891efbec5ee
Oslo OK: https://gyazo.com/2d94bccf066d0adf57d8c3825a76c178

My current sim is a patched version of P3D V3 where the client is V3.4, the content is 3.2 and scenery is 3.0. The platform is Windows 10 64 bit. And as for graphics card I use a GTX 1080 on the 372.54 driver. All addons in my sim is updated to the latest versions.

Please ask if you need to know more about specific hardware/addons etc., listing everything will take a while :). I can also provide more pictures/video If needed

[Kayla Dillon]

Hello,

Have you tried deleting your shader cache? C:\Users\<you>\AppData\Local\Lockheed Martin\Prepar3D v3\Shaders

Regards,
Kayla

[Chok]

Hello,

Have you tried deleting your shader cache? C:\Users\<you>\AppData\Local\Lockheed Martin\Prepar3D v3\Shaders

Regards,
Kayla

Affirm i have attempted to clear it several times which did not work.

[Adam Breed]

Chok,

Thanks for the detailed write up and report. We will investigate and let you know.

Regards,
Adam

[Chok]

Chok,

Thanks for the detailed write up and report. We will investigate and let you know.

Regards,
Adam

Fantastic, looking forward to hearing from you agian, thanks ! :)

[Kevin Cartrette]

Hey Chok,

We tried to replicate the above screen shot in Dubai and were unable to get any lights to show up. We attempted loading at the location and flying in without any success inside the internal builds.

What version of Dubai are you using?
Have you been able to get into cases were they did not show up at all?
What are your scenery settings, windows version and graphics driver settings?

Thanks for the additional information,
-Kevin.

[Chok]

Hey Chok,

We tried to replicate the above screen shot in Dubai and were unable to get any lights to show up. We attempted loading at the location and flying in without any success inside the internal builds.

What version of Dubai are you using?
Have you been able to get into cases were they did not show up at all?
What are your scenery settings, windows version and graphics driver settings?

Thanks for the additional information,
-Kevin.

Hello Kevin
As of now it seems to work pretty consistently as written in the post above, the lighting/fog work if you load the sim fresh and don’t work if you fly into them from somewhere else.

I just completed a flight before writing this, where I flew from Oslo to somewhere else and then back to Oslo, without shutting down the sim. The night lighting worked when I came back to the Oslo. So the conclusion is still that it only fail to work when you load a scenery in “on the fly”. I have not seen it not work as long as you load the sim fresh as a final answer to your question.

Scenery versions:
Dubai: V2.4 (Latest)
Vienna: V2.7 (latest)
Oslo: V2 Rev. 1.07 (latest)

Windows:
Current windows version: Windows 10 home
Version: 1607
Build: 14393.321

Nvidia settings:
Nvidia GTX 1080 driver 372.54. (I hope it is okay from NI it gives a bit more options, tell me if you want the NIP or the ones from the Nvidia control center)
https://gyazo.com/35ef57a818937607ccdd93fe47ba8b26
https://gyazo.com/eb6d10f4997b2bba26630d3442cecf74

P3D Settings:
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HDR_BRIGHTNESS=0.800000
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HDR_SATURATION=0.800000
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[Chok]

Hello.

Aerosoft Zurich V2 suffers from the same issue. The bug can be triggered the same way as the other sceneries.

Zurich missing: https://gyazo.com/c6cfe15957a7e686b4f7f13eb84ea28e
Zurich OK: https://gyazo.com/77edc875d1e9932bdcdbf0685acf911d

[Saldo]

The same hete with Aerosoft Zurich.
I will try with AS Rome this weekend.

Aerosoft uses the APController for runway and taxilighting on several scenery.

[Chok]

Hello

I just completed a flight where i spawned in at Oslo first to make sure the lighting was working, i checked the airport and both fog/lighting worked fine. i then spawned in at Copenhagen without restarting the sim and took off from there. When i arrived back at Oslo the lighting din't work again. so loading a scenery first makes no difference to whether is works or not when you arrive.

i dont know if this is useful but i felt it was worth adding.

[Sams]

Same problem here

[Adam Breed]

All,

We attempted to recreate the issue and were unable to do so. We were able to get all lights to appear as long as the third party BGLs were correctly enabled.

Could you post your starting location of the Dubai use case that triggered the issue?

Does the issue occur if you Slew in or only if you fly in normally into the airport?

Did you see this issues in any previous versions or only when you updated to v3.4? Did you do a full install or just the Client?

Regards,
Adam

[Chok]

All,

We attempted to recreate the issue and were unable to do so. Could you post your starting location of the Dubai use case that triggered the issue?

Does the issue occur if you Slew in from far away or only if you fly normally into the airport?

Did you see this issues in previous versions or only when you updated to v3.4? Did you do a full install or just the Client?

Regards,
Adam

Hello Adam.

Yes it happens if you slew from E.G. Doha to OMDB, thats what i did when testing it initially and it happens both if you fly and slew from somewhere else.
It did not happen in any of the previous P3D V3.X versions (screenshot from "Vienna OK" is P3D V3.3, and i crosschecked older screenshots from 3.2 as well)
My P3D is a patched version of V3 (see details above)

[Adam Breed]

Hello Adam.

Yes it happens if you slew from E.G. Doha to OMDB, thats what i did when testing it initially and it happens both if you fly and slew from somewhere else.
It did not happen in any of the previous P3D V3.X versions (screenshot from "Vienna OK" is P3D V3.3, and i crosschecked older screenshots from 3.2 as well)
My P3D is a patched version of V3 (see details above)

Hi Chok,

What is the starting location (LLA) to get Dubai to experience the issue? It is not clear if you are using an updated Doha or not and we want to be exact.

Regards,
Adam

[Chok]

Hello Adam.

Yes it happens if you slew from E.G. Doha to OMDB, thats what i did when testing it initially and it happens both if you fly and slew from somewhere else.
It did not happen in any of the previous P3D V3.X versions (screenshot from "Vienna OK" is P3D V3.3, and i crosschecked older screenshots from 3.2 as well)
My P3D is a patched version of V3 (see details above)

Hi Chok,

What is the starting location (LLA) to get Dubai to experience the issue?

Regards,
Adam

If you spawn in at Doha (OTDB) and slew to Dubai(OMDB) you should see the issue.
Another example is spawning at Innsbruck (LOWI) and slewing to Vienna (LOWW)