Cool, Ralf added code to generate stopways to flightgear!  But wait, the
grass strip around the stopways is too big.  1/0.3048 times to big, to
be exact:

http://www.jentronics.com/fgfs/temp/genapts-ante.jpg
http://www.jentronics.com/fgfs/temp/genapts-current.jpg
http://www.jentronics.com/fgfs/temp/genapts-post.jpg

Also, the ordering of the stopways was inconsistent.  Originally a
stopway on runway 17 would have an asphalt strip sticking out the south
end of the runway and a grass strip sticking out the north end.  Now
both strips stick out the south end (stopping end for 14).  

diff --git a/src/Airports/GenAirports/build.cxx 
b/src/Airports/GenAirports/build.cxx
index 8ac0c6e..9702a5f 100644
--- a/src/Airports/GenAirports/build.cxx
+++ b/src/Airports/GenAirports/build.cxx
@@ -337,10 +337,10 @@ static void build_runway( const TGRunway& rwy_info,
         safe_base
             = gen_runway_area_w_extend( rwy_info, 0.0, 40.0, 0.0, 0.0, 40.0 );
     } else {
-       base = gen_runway_area_w_extend( rwy_info, 0.0, 20.0, 
-rwy_info.stopway1, -rwy_info.stopway2, 20.0 );
+       base = gen_runway_area_w_extend( rwy_info, 0.0, 20.0, 
-rwy_info.stopway2* SG_FEET_TO_METER, -rwy_info.stopway1* SG_FEET_TO_METER, 
20.0 );
         // also clear a safe area around the runway
         safe_base
-            = gen_runway_area_w_extend( rwy_info, 0.0, 180.0, 
-rwy_info.stopway2, -rwy_info.stopway2, 50.0 );
+            = gen_runway_area_w_extend( rwy_info, 0.0, 180.0, 
-rwy_info.stopway2* SG_FEET_TO_METER, -rwy_info.stopway1* SG_FEET_TO_METER, 
50.0 );
     }
     *apt_clearing = tgPolygonUnion(safe_base, *apt_clearing);



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