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Help in understanding VASI/PAPI issue

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I'm having an issue with VASI/PAPI lights not being visible as I get close to certain airports.  For these airports, I can see the lights in the distance, but as soon as I get close enough to actually begin using them, the lights disappear.  This sounds somewhat like it could be the issue mentioned in the manual about the lights disappearing at certain angles, but Orbx airports are specifically called out as NOT needing the lightfield fix and I see the problem at several Orbx fields - for example at KTEX Telluride (where you REALLY need the visual glideslope guidance) and Sonoma KSTS.  Other Orbx fields, for example Redding KRDD and Eagle KEGE are fine.  I also see the issue at Turbulent's otherwise exceptional L35 Big Bear City.

 

Thoughts on this?  Does anyone else see this at some Orbx fields or at L35?  Should I just try the LightField fix, and if so what are the potential drawbacks for doing so?

 

Thanks in advance for any suggestions,

 

Scott

  • Author

OK, thanks.  I'll give that a try and see if it helps.

  • Author

Well, it didn't.  No change that I could see whatsoever after trying things at both L35 and KTEX.  Nuts.

  • Author

Steve, thanks again for your help.  Looks like I jumped the gun in assuming this was a DX10 issues.  I switched back to DX9 and the problem was there as well.  Apologies for making the assumption this was a problem unique to DX10, but I'd seen enough references to a PAPI light issue that, well... My bad.

 

FYI, the problem occurs in the cockpit or in spot view, and landing and nav lights make no difference using the default 172 or a number of other payware planes.  The default airports are also fine.  One thing I do note is that I will see the lights in the distance and then as I approach, a black square appears at the approach end of the runway.  When the appropriate ground re-appears the lights will be gone.

 

Anyway, thanks again for your help.  I'll continue to troubleshoot, but DX10 is clearly NOT the problem.

 

Scott

  • Author

Steve, yes my Orbxlibs are current, thanks.  I've started a thread on the Orbx support forum.

 

Scott

  • Author

Just a quick followup in case someone else runs into this.  The problem did turn out to be with the halo.bmp file.  Why this file impacted these couple of fields in this way I do not know, but it did.

 

Scott

But, how exactly did you solve that ?

 

Did you pick a replacement "halo.bmp" ? If so, where did you get it from ?

Flying gliders since 1980

Flightsimming since 1992

AMD Ryzen 5600x, 32GB RAM, GPU Nvidia RTX 3060 Ti 8 GB, 1 TB and 500 GB nvme2 SSD drives, HP 27" 60Hz LED monitor @ 1920x1080, T16000, Hotas from old X52 Pro, Saitek Combat Rudder Pro (2010 model)

  • Author

José,

 

Since I couldn't find the original halo.bmp, I searched through some of my archives and found an alternate version which was included as an optional install in a Freeware airport (in this case, one of Don Grovestine's fields).  I copied that file in its place after looking at the .bmp to see if it appeared "reasonable" and all was well.  Not sure what I would've done had I not found this version.

 

The halo.bmp that had been installed appears to have come from an older version of UTX, which I no longer use.

 

Scott

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