Curt Olson writes: >Well as you get towards the poles the distortions increase if you are >using a lon/lat = x/y projection.
>The flaw in your logic is if you map lon/lat directly to x/y headings >in this coordinate system will be significantly different from >headings in the real world (or the wgs-84 approximation to the real >world.) Since flightgear uses a wgs-84 world, the heading you have >to follow in flightgear to get to some lat/lon will be significantly >different than what you are calculating. >If FlightGear used the same projection then you'd be ok, but the >headings in the two projection become significantly different as you >move away from the equator. >There are plenty of hacks you could use to make things work, but be >careful because usually these hacks will come back to bite you >later. :-) Hack!%? I'm sure the phrase you were looking for was 'design time optimisation' :-) Still, I take your point. I'll probably stick to using Flightgears existing coord systems. Cheers - Dave _______________________________________________ Flightgear-devel mailing list [EMAIL PROTECTED] http://mail.flightgear.org/mailman/listinfo/flightgear-devel
