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As I mentioned in another message I just sent to this
list, I installed the latest FlightGear yesterday. Of
course, I couldn't go long without trying different
terrain, and my first try was a piece including
southeast Norway. The problem is that, when I try
starting FlightGear up in that tile, there is no
scenery, it says my coordinates are 0 degrees and 0
degrees, and the plane just doesn't do squat. I can
tell the engine to throttle up, but the RPM indicator
stays at 0, and the plane just flat doesn't do
anything but sit there. Also, there seems to be an
infinite number of "no terrain intersection" messages
that begin to be output as soon as the plane is ready
to go (if only it worked), interspersed with
occassional "Failed to remove nav-vor-ident sound"
messages and a few others. I looked through the list
archives, and I found mention from October or so about
--lon and --lat having problems, and someone
suggesting that it was only the eastern hemisphere
that wasn't working, perhaps because FlightGear was
parsing coordinates in that hemisphere improperly. I
therefore downloaded the terrain tile that includes
Orlando, Florida, and lo and behold, it worked like a
charm. It was suggested that the problem might be in
options.cxx, and I have indeed looked at the file for
a few minutes, but can find no particular error. In
fact, when I run "./fgfs --lon=11 --lat=59 2>
/dev/null" from the directory FlightGear is in the
very first output is:

 parse_time() = 11
 parse_time() = 11
 parse_time() = 59
 parse_time() = 59

which seems to correspond to the coordinates I have
entered. Perhaps someone that knows which variables to
follow (and knows how to use the debugger, which I
don't) can check out what's going on here. I have
plenty of output messages that I can present if
needed, but I doubt that they will be helpful. If
there's anything I can do to help out here and restore
half of the world to FlightGear (assuming that's what
the problem is), just let me know. I know C and C++,
for what it matters.

Tommy McDaniel
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