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Tweak size of grass area surrounding taxiways.

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curt 2001-07-16 01:57:46 +00:00
parent 19d9392863
commit f9a8370433
3 changed files with 68 additions and 9 deletions
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7
src/Airports/GenAirports/build.cxx
View file

@ -1707,7 +1707,12 @@ void build_runway( const FGRunway& rwy_info,
exit(-1);
}
FGPolygon base = gen_runway_area( rwy_info, 1.05, 1.5 );
FGPolygon base;
if ( rwy_info.really_taxiway ) {
base = gen_runway_area_w_expand( rwy_info, 10, 10 );
} else {
base = gen_runway_area_w_scale( rwy_info, 1.05, 1.5 );
}
// add base to apt_base
*apt_base = polygon_union( base, *apt_base );

54
src/Airports/GenAirports/runway.cxx
View file

@ -113,10 +113,11 @@ FGPolygon gen_area(Point3D origin, double angle, const FGPolygon& cart_list) {
}
// generate an area for a runway
FGPolygon gen_runway_area( const FGRunway& runway,
double len_scale,
double width_scale ) {
// generate an area for a runway with expantion specified as a scale
// factor (return result points in degrees)
FGPolygon gen_runway_area_w_scale( const FGRunway& runway,
double len_scale,
double width_scale ) {
FGPolygon result_list;
FGPolygon tmp_list;
@ -157,6 +158,51 @@ FGPolygon gen_runway_area( const FGRunway& runway,
}
// generate an area for a runway with expansion specified in meters
// (return result points in degrees)
FGPolygon gen_runway_area_w_expand( const FGRunway& runway,
double len_expand,
double wid_expand ) {
FGPolygon result_list;
FGPolygon tmp_list;
double l, w;
/*
printf("runway: lon = %.2f lat = %.2f hdg = %.2f len = %.2f width = %.2f\n",
lon, lat, heading, length, width);
*/
Point3D origin(runway.lon, runway.lat, 0);
l = runway.length * SG_FEET_TO_METER / 2.0 + len_expand;
w = runway.width * SG_FEET_TO_METER / 2.0 + wid_expand;
// generate untransformed runway area vertices
tmp_list.add_node( 0, Point3D( l, w, 0 ) );
tmp_list.add_node( 0, Point3D( l, -w, 0 ) );
tmp_list.add_node( 0, Point3D( -l, -w, 0 ) );
tmp_list.add_node( 0, Point3D( -l, w, 0 ) );
// display points
// cout << "Untransformed, unrotated runway" << endl;
// for ( int i = 0; i < tmp_list.contour_size( 0 ); ++i ) {
// cout << " " << tmp_list.get_pt(0, i) << endl;
// }
// rotate, transform, and convert points to lon, lat in degrees
result_list = gen_area(origin, runway.heading * SGD_DEGREES_TO_RADIANS, tmp_list);
// display points
// cout << "Results in radians." << endl;
// for ( int i = 0; i < result_list.contour_size( 0 ); ++i ) {
// cout << " " << result_list.get_pt(0, i) << endl;
// }
return result_list;
}
// generate an area for a runway and include midpoints
FGPolygon gen_runway_w_mid( const FGRunway& runway,
double len_scale,

16
src/Airports/GenAirports/runway.hxx
View file

@ -67,10 +67,18 @@ typedef runway_list::iterator runway_list_iterator;
typedef runway_list::const_iterator const_runway_list_iterator;
// generate an area for a runway (return result points in degrees)
FGPolygon gen_runway_area( const FGRunway& runway,
double len_scale = 1.0,
double width_scale = 1.0 );
// generate an area for a runway with expantion specified as a scale
// factor (return result points in degrees)
FGPolygon gen_runway_area_w_scale( const FGRunway& runway,
double len_scale = 1.0,
double width_scale = 1.0 );
// generate an area for a runway with expansion specified in meters
// (return result points in degrees)
FGPolygon gen_runway_area_w_expand( const FGRunway& runway,
double len_expand = 0.0,
double wid_expand = 0.0 );
// generate an area for half a runway
FGPolygon gen_runway_w_mid( const FGRunway& runway,