Lee Elliott wrote:
> Hi all,
>
> I think I may have a lead on this now, and it turns out that 
> there was a connection with the 2D radio stacks but probably not 
> one that many would suspect.
>
> First of all I commented out all the instruments on both the vfr 
> and mini panels to see if just revealing/loading the panels 
> started the leak.  It didn't.
>
> I then started adding instruments back in.  Reinstating stuff 
> like the throttle and flap levers had no effect and neither did 
> the surface position indicators, the hsi, attitude and turn 
> monitors.
>
> However, as soon as I added a couple of 'digital' monitors, which 
> simply display values using text/numbers, using the LED font, 
> the leak started.  The link with the 2D radio stack instruments 
> is that they also use the same technique and font to display 
> their frequencies and this would explain Dave Perry's 
> observation that the leak stopped when he removed the radio 
> stacks whereas I wasn't displaying the radio stack but still had 
> the leak.
>
> I haven't tried with the last change to panel.cxx reverted yet, 
> as Melchior suggested, but I didn't think that was the problem.
>
> I haven't tried using other fonts yet either, to establish if 
> it's just with the LED font or with any font.

This does seem like a good lead.  There were some recent changes to the 
font handling in conjunction with the HUD I believe.  It would be good 
if the people involved could keep digging into this one.  The longer we 
let these sorts of bugs exist, the harder they are to stamp out.

Thanks for your persistence in helping us find clues Lee.

Curt.

-- 
Curtis Olson        http://www.flightgear.org/~curt
HumanFIRST Program  http://www.humanfirst.umn.edu/
FlightGear Project  http://www.flightgear.org
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