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Convert runway center line lights to SGGeod

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This commit is contained in:
Christian Schmitt 2012-10-18 12:18:21 +02:00
parent 7d827457b9
commit 365a89f20b
1 changed files with 15 additions and 19 deletions
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34
src/Airports/GenAirports850/lights.cxx
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@ -420,56 +420,52 @@ superpoly_list Runway::gen_runway_center_line_lights( bool recip )
point_list w_normals; w_normals.clear();
point_list r_normals; r_normals.clear();
double dist = rwy.length;
int divs = (int)(dist / 15.0) + 1;
Point3D normal = gen_runway_light_vector( 3.0, recip );
Point3D inc;
Point3D pt1, pt2;
SGGeod pt1, pt2;
double length_hdg;
if ( recip ) {
length_hdg = rwy.heading + 180.0;
if ( length_hdg > 360.0 ) { length_hdg -= 360.0; }
pt1 = Point3D::fromSGGeod( SGGeodesy::direct( GetEnd(), length_hdg, rwy.threshold[get_thresh0(recip)]) );
pt2 = Point3D::fromSGGeod( GetStart() );
pt1 = SGGeodesy::direct( GetEnd(), length_hdg, rwy.threshold[get_thresh0(recip)]);
pt2 = GetStart();
} else {
length_hdg = rwy.heading;
pt1 = Point3D::fromSGGeod( SGGeodesy::direct(GetStart(), length_hdg, rwy.threshold[get_thresh0(recip)]) );
pt2 = Point3D::fromSGGeod( GetEnd() );
pt1 = SGGeodesy::direct(GetStart(), length_hdg, rwy.threshold[get_thresh0(recip)]);
pt2 = GetEnd();
}
inc = (pt2 - pt1) / divs;
double dist = SGGeodesy::distanceM(pt1, pt2);
int divs = (int)(dist / 15.0) + 1;
double step = dist / divs;
pt1 += inc;
dist -= step;
bool use_white = true;
while ( dist > 0.0 ) {
if ( dist > 900.0 ) {
w_lights.push_back( pt1 );
w_lights.push_back( Point3D::fromSGGeod(pt1) );
w_normals.push_back( normal );
} else if ( dist > 300.0 ) {
if ( use_white ) {
w_lights.push_back( pt1 );
w_lights.push_back( Point3D::fromSGGeod(pt1) );
w_normals.push_back( normal );
} else {
r_lights.push_back( pt1 );
r_lights.push_back( Point3D::fromSGGeod(pt1) );
r_normals.push_back( normal );
}
use_white = !use_white;
} else {
r_lights.push_back( pt1 );
r_lights.push_back( Point3D::fromSGGeod(pt1) );
r_normals.push_back( normal );
}
pt1 += inc;
length_hdg = SGGeodesy::courseDeg(pt1, pt2);
pt1 = SGGeodesy::direct(pt1, length_hdg, step);
dist -= step;
}
superpoly_list result; result.clear();
if ( w_lights.size() > 0 ) {
if ( w_lights.size() ) {
TGPolygon lights_poly; lights_poly.erase();
TGPolygon normals_poly; normals_poly.erase();
lights_poly.add_contour( w_lights, false );
@ -483,7 +479,7 @@ superpoly_list Runway::gen_runway_center_line_lights( bool recip )
result.push_back( white );
}
if ( r_lights.size() > 0 ) {
if ( r_lights.size() ) {
TGPolygon lights_poly; lights_poly.erase();
TGPolygon normals_poly; normals_poly.erase();
lights_poly.add_contour( r_lights, false );