Hi All,

In keeping with my tradition of tracking the AI developments in screenshots, 
I've just added a few new ones to the gallery.

The new section starts here:
http://durktalsma.xs4all.nl/FlightGear/web/59.html

I've been working on building ground networks for a number of major airports, 
and have been improving the existing AI code in FlightGear. Some of the new 
ground network have been pretty tough on the AI code. Especially those for 
KATL (Atlanta Harstfield) and LFPG (Paris, Charles de Gaulle; no screenshots 
yet btw) have put the route tracing algorithm pretty heavily to the test, 
I've modified the flightgear code (not yet committed) to strike a balance 
between finding the perfect route and limiting execution time. The heaviest 
searches still result in noticeable pauses though, so I'm thinking about 
alternative approaches (either caching the results, or going multithreading, 
or some thing along those lines). 

I'm currently also testing improved versions of the ATC "Hold Position" and 
"Adjust Speed" instructions that I had committed earlier, in a rather rough 
format. The normal development cycle was interrupted due to the need to fix a 
rather urgent memory problem, which also sneaked in some code that (in 
retrospect) wasn't quite ready yet. As far as I can tell, most of the 
outstanding issues that should have been addressed in my previous commit are 
fixed now. I'm testing the code a bit more and try to commit it to CVS around 
the end of the week.

As for the ground networks, I'm probably going to release the intermediate 
versions on my own AI page, but will hold back on an official release until 
I'm a bit further down the line.

Cheers,
Durk

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