Re: [Flightgear-devel] RW light disappear

2004-04-12 Thread Roy Vegard Ovesen
On Monday 12 April 2004 04:01, Dave Perry wrote:
 I just noticed that the runway lights disappear as I flare out in the
 c172.

I've noticed this too. It seems that the transparent propeller disk is the 
reason. I tried stopping the engine on ground and that brought back the 
lights. One thing that is strange is that the propeller disk is only opaque 
to lights below a very low altitude.

 Noticed this first as I was completing the ILS RW 35 precision
 approach into KAZO (Kalamazoo, MI).  Complete CVS update Friday evening
 the 9th (plib, SimGear, FlightGear, and base).  This seems to me a new
 issue with this update.
 Dave Perry


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Roy Vegard Ovesen


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Re: [Flightgear-devel] RW light disappear

2004-04-12 Thread Erik Hofman
Roy Vegard Ovesen wrote:
On Monday 12 April 2004 04:01, Dave Perry wrote:

I just noticed that the runway lights disappear as I flare out in the
c172.
I've noticed this too. It seems that the transparent propeller disk is the 
reason. I tried stopping the engine on ground and that brought back the 
lights. One thing that is strange is that the propeller disk is only opaque 
to lights below a very low altitude.

Noticed this first as I was completing the ILS RW 35 precision
approach into KAZO (Kalamazoo, MI).  Complete CVS update Friday evening
the 9th (plib, SimGear, FlightGear, and base).  This seems to me a new
issue with this update.


I noticed something similar with the F-16 at low altitudes. I'm starting 
to wonder if we need a select-deselect option for cloud layers that 
should not be visible to solve this problem?

Erik

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Re: [Flightgear-devel] RW light disappear

2004-04-12 Thread Jim Wilson
Dave Perry said:

 I just noticed that the runway lights disappear as I flare out in the 
 c172.  Noticed this first as I was completing the ILS RW 35 precision 
 approach into KAZO (Kalamazoo, MI).  Complete CVS update Friday evening 
 the 9th (plib, SimGear, FlightGear, and base).  This seems to me a new 
 issue with this update.
 Dave Perry
 

Does it happen on other runways?  Past issues have been related to changes in
the ground elevation calculation.  Do you see any sign of the lights if you
look up in the air after they disappear?

Best,

Jim


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Re: [Flightgear-devel] RW light disappear

2004-04-12 Thread Jim Wilson
Erik Hofman said:

 Roy Vegard Ovesen wrote:
  On Monday 12 April 2004 04:01, Dave Perry wrote:
  
 I just noticed that the runway lights disappear as I flare out in the
 c172.
  
  I've noticed this too. It seems that the transparent propeller disk is the 
  reason. I tried stopping the engine on ground and that brought back the 
  lights. One thing that is strange is that the propeller disk is only opaque 
  to lights below a very low altitude.
 
 Noticed this first as I was completing the ILS RW 35 precision
 approach into KAZO (Kalamazoo, MI).  Complete CVS update Friday evening
 the 9th (plib, SimGear, FlightGear, and base).  This seems to me a new
 issue with this update.
 
 
 I noticed something similar with the F-16 at low altitudes. I'm starting 
 to wonder if we need a select-deselect option for cloud layers that 
 should not be visible to solve this problem?
 

Is this an issue only from the cockpit view?

Best,

Jim


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Re: [Flightgear-devel] RW light disappear

2004-04-12 Thread Roy Vegard Ovesen
On Monday 12 April 2004 17:28, Jim Wilson wrote:
  I noticed something similar with the F-16 at low altitudes. I'm starting
  to wonder if we need a select-deselect option for cloud layers that
  should not be visible to solve this problem?

 Is this an issue only from the cockpit view?

I made some screenshots of the F-16.

http://home.tiscali.no/rvovesen/f16-cockpit.png
http://home.tiscali.no/rvovesen/f16-ext1.png
http://home.tiscali.no/rvovesen/f16-ext2.png

You can clearly see from ext1 and ext2 that the lights are not visible through 
the canopy of the F-16, but still the building in the background is. The 
cockpit shot is a bit harder to see but you can see that inside the darker 
region no lights are visible.

The canopy glass of the F-16 has probably (I haven't opened the model in AC3D) 
some semitransparent material. The same holds for the propeller disk of the 
C172, and if you try the Cub I think it too has a transparent material for 
the propeller disk.

I would say that it is an issue with semitransparent materials. If you try the 
2d panels the lights are visible.
But the strangest thing is that as the aircraft rises above som 50 ft above 
the ground the lights appear.

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Roy Vegard Ovesen


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[Flightgear-devel] RW light disappear

2004-04-11 Thread Dave Perry
I just noticed that the runway lights disappear as I flare out in the 
c172.  Noticed this first as I was completing the ILS RW 35 precision 
approach into KAZO (Kalamazoo, MI).  Complete CVS update Friday evening 
the 9th (plib, SimGear, FlightGear, and base).  This seems to me a new 
issue with this update.
Dave Perry

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