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Convert gen_alsf light function to SGGeod

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This commit is contained in:
Christian Schmitt 2012-10-24 10:31:05 +02:00
parent f86782119c
commit 4dd1d5c2b1
1 changed files with 117 additions and 244 deletions
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361
src/Airports/GenAirports850/lights.cxx
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@ -968,87 +968,63 @@ superpoly_list Runway::gen_alsf( const string &kind, bool recip )
point_list w_normals; w_normals.clear();
point_list r_normals; r_normals.clear();
point_list s_normals; s_normals.clear();
int i, j;
int i;
string flag;
SG_LOG(SG_GENERAL, SG_DEBUG, "gen ALSF/SALS lights " << rwy.rwnum[0] );
Point3D normal1 = gen_runway_light_vector( 3.0, recip );
point_list corner = gen_corners( 2.0, rwy.threshold[0], rwy.threshold[1], 2.0 );
Point3D pt;
// Generate long center bar of lights
// determine the start point.
Point3D ref_save;
SGGeod ref_save, pt;
double length_hdg, left_hdg;
double lon, lat, r;
if ( recip ) {
ref_save = (corner[0] + corner[1]) / 2;
length_hdg = rwy.heading + 180.0;
if ( length_hdg > 360.0 ) { length_hdg -= 360.0; }
length_hdg = SGMiscd::normalizePeriodic(0, 360, rwy.heading + 180);
ref_save = SGGeodesy::direct( GetEnd(), length_hdg, rwy.threshold[get_thresh0(recip)]);
} else {
ref_save = (corner[2] + corner[3]) / 2;
length_hdg = rwy.heading;
ref_save = SGGeodesy::direct( GetStart(), length_hdg, rwy.threshold[get_thresh0(recip)]);
}
left_hdg = length_hdg - 90.0;
if ( left_hdg < 0 ) {
left_hdg += 360.0;
}
SG_LOG(SG_GENERAL, SG_DEBUG, "length hdg = " << length_hdg << " left heading = " << left_hdg );
left_hdg = SGMiscd::normalizePeriodic(0, 360, length_hdg - 90.0);
Point3D ref = ref_save;
SGGeod ref = ref_save;
int count;
if ( kind == "1" || kind == "2" ) {
// ALSF-I or ALSF-II
geo_direct_wgs_84 ( ref.lat(), ref.lon(), length_hdg,
-100 * SG_FEET_TO_METER, &lat, &lon, &r );
ref = Point3D( lon, lat, 0.0 );
ref = SGGeodesy::direct(ref, length_hdg, -30);
count = 30;
} else {
// SALS/SALSF
geo_direct_wgs_84 ( ref.lat(), ref.lon(), length_hdg,
-300 * SG_FEET_TO_METER, &lat, &lon, &r );
ref = Point3D( lon, lat, 0.0 );
ref = SGGeodesy::direct(ref, length_hdg, -90);
count = 13;
}
for ( i = 0; i < count; ++i ) {
pt = ref;
w_lights.push_back( pt );
w_lights.push_back( Point3D::fromSGGeod(pt) );
w_normals.push_back( normal1 );
// left 2 side lights
geo_direct_wgs_84 ( pt.lat(), pt.lon(), left_hdg,
3.5 * SG_FEET_TO_METER, &lat, &lon, &r );
pt = Point3D( lon, lat, 0.0 );
w_lights.push_back( pt );
pt = SGGeodesy::direct(pt, left_hdg, 1);
w_lights.push_back( Point3D::fromSGGeod(pt) );
w_normals.push_back( normal1 );
geo_direct_wgs_84 ( pt.lat(), pt.lon(), left_hdg,
3.5 * SG_FEET_TO_METER, &lat, &lon, &r );
pt = Point3D( lon, lat, 0.0 );
w_lights.push_back( pt );
pt = SGGeodesy::direct(pt, left_hdg, 1);
w_lights.push_back( Point3D::fromSGGeod(pt) );
w_normals.push_back( normal1 );
pt = ref;
// right 2 side lights
geo_direct_wgs_84 ( pt.lat(), pt.lon(), left_hdg,
-3.5 * SG_FEET_TO_METER, &lat, &lon, &r );
pt = Point3D( lon, lat, 0.0 );
w_lights.push_back( pt );
w_normals.push_back( normal1 );
geo_direct_wgs_84 ( pt.lat(), pt.lon(), left_hdg,
-3.5 * SG_FEET_TO_METER, &lat, &lon, &r );
pt = Point3D( lon, lat, 0.0 );
w_lights.push_back( pt );
pt = SGGeodesy::direct(pt, left_hdg, -1);
w_lights.push_back( Point3D::fromSGGeod(pt) );
w_normals.push_back( normal1 );
geo_direct_wgs_84 ( ref.lat(), ref.lon(), length_hdg,
-100 * SG_FEET_TO_METER, &lat, &lon, &r );
ref = Point3D( lon, lat, 0.0 );
pt = SGGeodesy::direct(pt, left_hdg, -1);
w_lights.push_back( Point3D::fromSGGeod(pt) );
w_normals.push_back( normal1 );
ref = SGGeodesy::direct(ref, length_hdg, -30);
}
ref = ref_save;
@ -1056,190 +1032,126 @@ superpoly_list Runway::gen_alsf( const string &kind, bool recip )
if ( kind == "1" || kind == "O" || kind == "P" ) {
// Terminating bar
// offset 200' downwind
geo_direct_wgs_84 ( ref.lat(), ref.lon(), length_hdg,
-200 * SG_FEET_TO_METER, &lat, &lon, &r );
ref = Point3D( lon, lat, 0.0 );
// offset 60m downwind
ref = SGGeodesy::direct(ref, length_hdg, -60);
pt = ref;
// left 3 side lights
geo_direct_wgs_84 ( pt.lat(), pt.lon(), left_hdg,
15 * SG_FEET_TO_METER, &lat, &lon, &r );
pt = Point3D( lon, lat, 0.0 );
r_lights.push_back( pt );
pt = SGGeodesy::direct(pt, left_hdg, 4.5);
r_lights.push_back( Point3D::fromSGGeod(pt) );
r_normals.push_back( normal1 );
geo_direct_wgs_84 ( pt.lat(), pt.lon(), left_hdg,
5 * SG_FEET_TO_METER, &lat, &lon, &r );
pt = Point3D( lon, lat, 0.0 );
r_lights.push_back( pt );
pt = SGGeodesy::direct(pt, left_hdg, 1.5);
r_lights.push_back( Point3D::fromSGGeod(pt) );
r_normals.push_back( normal1 );
geo_direct_wgs_84 ( pt.lat(), pt.lon(), left_hdg,
5 * SG_FEET_TO_METER, &lat, &lon, &r );
pt = Point3D( lon, lat, 0.0 );
r_lights.push_back( pt );
pt = SGGeodesy::direct(pt, left_hdg, 1.5);
r_lights.push_back( Point3D::fromSGGeod(pt) );
r_normals.push_back( normal1 );
pt = ref;
// right 3 side lights
geo_direct_wgs_84 ( pt.lat(), pt.lon(), left_hdg,
-15 * SG_FEET_TO_METER, &lat, &lon, &r );
pt = Point3D( lon, lat, 0.0 );
r_lights.push_back( pt );
pt = SGGeodesy::direct(pt, left_hdg, -4.5);
r_lights.push_back( Point3D::fromSGGeod(pt) );
r_normals.push_back( normal1 );
geo_direct_wgs_84 ( pt.lat(), pt.lon(), left_hdg,
-5 * SG_FEET_TO_METER, &lat, &lon, &r );
pt = Point3D( lon, lat, 0.0 );
r_lights.push_back( pt );
pt = SGGeodesy::direct(pt, left_hdg, -1.5);
r_lights.push_back( Point3D::fromSGGeod(pt) );
r_normals.push_back( normal1 );
geo_direct_wgs_84 ( pt.lat(), pt.lon(), left_hdg,
-5 * SG_FEET_TO_METER, &lat, &lon, &r );
pt = Point3D( lon, lat, 0.0 );
r_lights.push_back( pt );
pt = SGGeodesy::direct(pt, left_hdg, -1.5);
r_lights.push_back( Point3D::fromSGGeod(pt) );
r_normals.push_back( normal1 );
} else if ( kind == "2" ) {
// Generate red side row lights
for ( i = 0; i < 9; ++i ) {
// offset 100' downwind
geo_direct_wgs_84 ( ref.lat(), ref.lon(), length_hdg,
-100 * SG_FEET_TO_METER, &lat, &lon, &r );
ref = Point3D( lon, lat, 0.0 );
// offset 30m downwind
ref = SGGeodesy::direct(ref, length_hdg, -30);
pt = ref;
// left 3 side lights
geo_direct_wgs_84 ( pt.lat(), pt.lon(), left_hdg,
36 * SG_FEET_TO_METER, &lat, &lon, &r );
pt = Point3D( lon, lat, 0.0 );
r_lights.push_back( pt );
pt = SGGeodesy::direct(pt, left_hdg, 11);
r_lights.push_back( Point3D::fromSGGeod(pt) );
r_normals.push_back( normal1 );
geo_direct_wgs_84 ( pt.lat(), pt.lon(), left_hdg,
5 * SG_FEET_TO_METER, &lat, &lon, &r );
pt = Point3D( lon, lat, 0.0 );
r_lights.push_back( pt );
pt = SGGeodesy::direct(pt, left_hdg, 1.5);
r_lights.push_back( Point3D::fromSGGeod(pt) );
r_normals.push_back( normal1 );
geo_direct_wgs_84 ( pt.lat(), pt.lon(), left_hdg,
5 * SG_FEET_TO_METER, &lat, &lon, &r );
pt = Point3D( lon, lat, 0.0 );
r_lights.push_back( pt );
pt = SGGeodesy::direct(pt, left_hdg, 1.5);
r_lights.push_back( Point3D::fromSGGeod(pt) );
r_normals.push_back( normal1 );
pt = ref;
// right 3 side lights
geo_direct_wgs_84 ( pt.lat(), pt.lon(), left_hdg,
-36 * SG_FEET_TO_METER, &lat, &lon, &r );
pt = Point3D( lon, lat, 0.0 );
r_lights.push_back( pt );
pt = SGGeodesy::direct(pt, left_hdg, -11);
r_lights.push_back( Point3D::fromSGGeod(pt) );
r_normals.push_back( normal1 );
geo_direct_wgs_84 ( pt.lat(), pt.lon(), left_hdg,
-5 * SG_FEET_TO_METER, &lat, &lon, &r );
pt = Point3D( lon, lat, 0.0 );
r_lights.push_back( pt );
pt = SGGeodesy::direct(pt, left_hdg, -1.5);
r_lights.push_back( Point3D::fromSGGeod(pt) );
r_normals.push_back( normal1 );
geo_direct_wgs_84 ( pt.lat(), pt.lon(), left_hdg,
-5 * SG_FEET_TO_METER, &lat, &lon, &r );
pt = Point3D( lon, lat, 0.0 );
r_lights.push_back( pt );
pt = SGGeodesy::direct(pt, left_hdg, -1.5);
r_lights.push_back( Point3D::fromSGGeod(pt) );
r_normals.push_back( normal1 );
}
}
if ( kind == "1" || kind == "O" || kind == "P" ) {
// Generate pre-threshold bar
ref = ref_save;
// offset 100' downwind
geo_direct_wgs_84 ( ref.lat(), ref.lon(), length_hdg,
-100 * SG_FEET_TO_METER, &lat, &lon, &r );
ref = Point3D( lon, lat, 0.0 );
// offset 30m downwind
ref = SGGeodesy::direct(ref, length_hdg, -30);
pt = ref;
// left 5 side lights
geo_direct_wgs_84 ( pt.lat(), pt.lon(), left_hdg,
75 * SG_FEET_TO_METER, &lat, &lon, &r );
pt = Point3D( lon, lat, 0.0 );
r_lights.push_back( pt );
r_normals.push_back( normal1 );
for ( j = 0; j < 4; ++j ) {
geo_direct_wgs_84 ( pt.lat(), pt.lon(), left_hdg,
3.5 * SG_FEET_TO_METER, &lat, &lon, &r );
pt = Point3D( lon, lat, 0.0 );
r_lights.push_back( pt );
pt = SGGeodesy::direct(pt, left_hdg, 22.5);
for ( i = 0; i < 5; ++i ) {
r_lights.push_back( Point3D::fromSGGeod(pt) );
r_normals.push_back( normal1 );
pt = SGGeodesy::direct(pt, left_hdg, 1.0);
}
pt = ref;
// rioght 5 side lights
geo_direct_wgs_84 ( pt.lat(), pt.lon(), left_hdg,
-75 * SG_FEET_TO_METER, &lat, &lon, &r );
pt = Point3D( lon, lat, 0.0 );
r_lights.push_back( pt );
r_normals.push_back( normal1 );
for ( j = 0; j < 4; ++j ) {
geo_direct_wgs_84 ( pt.lat(), pt.lon(), left_hdg,
-3.5 * SG_FEET_TO_METER, &lat, &lon, &r );
pt = Point3D( lon, lat, 0.0 );
r_lights.push_back( pt );
// right 5 side lights
pt = SGGeodesy::direct(pt, left_hdg, -22.5);
for ( i = 0; i < 5; ++i ) {
r_lights.push_back( Point3D::fromSGGeod(pt) );
r_normals.push_back( normal1 );
pt = SGGeodesy::direct(pt, left_hdg, -1.0);
}
} else if ( kind == "2" ) {
// Generate -500 extra horizontal row of lights
// Generate -150m extra horizontal row of lights
ref = ref_save;
// offset 500' downwind
geo_direct_wgs_84 ( ref.lat(), ref.lon(), length_hdg,
-500 * SG_FEET_TO_METER, &lat, &lon, &r );
ref = Point3D( lon, lat, 0.0 );
// offset 150m downwind
ref = SGGeodesy::direct(ref, length_hdg, -150);
pt = ref;
// left 4 side lights
geo_direct_wgs_84 ( pt.lat(), pt.lon(), left_hdg,
11.5 * SG_FEET_TO_METER, &lat, &lon, &r );
pt = Point3D( lon, lat, 0.0 );
w_lights.push_back( pt );
w_normals.push_back( normal1 );
pt = SGGeodesy::direct(pt, left_hdg, 4.25);
for ( j = 0; j < 3; ++j ) {
geo_direct_wgs_84 ( pt.lat(), pt.lon(), left_hdg,
5 * SG_FEET_TO_METER, &lat, &lon, &r );
pt = Point3D( lon, lat, 0.0 );
w_lights.push_back( pt );
for ( i = 0; i < 4; ++i ) {
w_lights.push_back( Point3D::fromSGGeod(pt) );
w_normals.push_back( normal1 );
pt = SGGeodesy::direct(pt, left_hdg, 1.5);
}
pt = ref;
// right 4 side lights
geo_direct_wgs_84 ( pt.lat(), pt.lon(), left_hdg,
-11.5 * SG_FEET_TO_METER, &lat, &lon, &r );
pt = Point3D( lon, lat, 0.0 );
w_lights.push_back( pt );
w_normals.push_back( normal1 );
pt = SGGeodesy::direct(pt, left_hdg, -4.25);
for ( j = 0; j < 3; ++j ) {
geo_direct_wgs_84 ( pt.lat(), pt.lon(), left_hdg,
-5 * SG_FEET_TO_METER, &lat, &lon, &r );
pt = Point3D( lon, lat, 0.0 );
w_lights.push_back( pt );
for ( i = 0; i < 4; ++i ) {
w_lights.push_back( Point3D::fromSGGeod(pt) );
w_normals.push_back( normal1 );
pt = SGGeodesy::direct(pt, left_hdg, -1.5);
}
}
@ -1247,123 +1159,83 @@ superpoly_list Runway::gen_alsf( const string &kind, bool recip )
if ( kind == "O" || kind == "P" ) {
// generate SALS secondary threshold
geo_direct_wgs_84 ( ref.lat(), ref.lon(), length_hdg,
-200 * SG_FEET_TO_METER, &lat, &lon, &r );
ref = Point3D( lon, lat, 0.0 );
count = 30;
ref = SGGeodesy::direct(ref, length_hdg, -60);
pt = ref;
r_lights.push_back( pt );
r_lights.push_back( Point3D::fromSGGeod(pt) );
r_normals.push_back( normal1 );
// left 2 side lights
geo_direct_wgs_84 ( pt.lat(), pt.lon(), left_hdg,
3.5 * SG_FEET_TO_METER, &lat, &lon, &r );
pt = Point3D( lon, lat, 0.0 );
r_lights.push_back( pt );
pt = SGGeodesy::direct(pt, left_hdg, 1.0);
r_lights.push_back( Point3D::fromSGGeod(pt) );
r_normals.push_back( normal1 );
geo_direct_wgs_84 ( pt.lat(), pt.lon(), left_hdg,
3.5 * SG_FEET_TO_METER, &lat, &lon, &r );
pt = Point3D( lon, lat, 0.0 );
r_lights.push_back( pt );
pt = SGGeodesy::direct(pt, left_hdg, 1.0);
r_lights.push_back( Point3D::fromSGGeod(pt) );
r_normals.push_back( normal1 );
pt = ref;
// right 2 side lights
geo_direct_wgs_84 ( pt.lat(), pt.lon(), left_hdg,
-3.5 * SG_FEET_TO_METER, &lat, &lon, &r );
pt = Point3D( lon, lat, 0.0 );
r_lights.push_back( pt );
pt = SGGeodesy::direct(pt, left_hdg, -1.0);
r_lights.push_back( Point3D::fromSGGeod(pt) );
r_normals.push_back( normal1 );
geo_direct_wgs_84 ( pt.lat(), pt.lon(), left_hdg,
-3.5 * SG_FEET_TO_METER, &lat, &lon, &r );
pt = Point3D( lon, lat, 0.0 );
r_lights.push_back( pt );
pt = SGGeodesy::direct(pt, left_hdg, -1.0);
r_lights.push_back( Point3D::fromSGGeod(pt) );
r_normals.push_back( normal1 );
}
// Generate -1000' extra horizontal row of lights
// Generate -300m horizontal crossbar
ref = ref_save;
// offset 1000' downwind
geo_direct_wgs_84 ( ref.lat(), ref.lon(), length_hdg,
-1000 * SG_FEET_TO_METER, &lat, &lon, &r );
ref = Point3D( lon, lat, 0.0 );
// offset 300m downwind
ref = SGGeodesy::direct(ref, length_hdg, -300);
pt = ref;
// left 8 side lights
geo_direct_wgs_84 ( pt.lat(), pt.lon(), left_hdg,
15 * SG_FEET_TO_METER, &lat, &lon, &r );
pt = Point3D( lon, lat, 0.0 );
w_lights.push_back( pt );
w_normals.push_back( normal1 );
for ( j = 0; j < 7; ++j ) {
geo_direct_wgs_84 ( pt.lat(), pt.lon(), left_hdg,
5 * SG_FEET_TO_METER, &lat, &lon, &r );
pt = Point3D( lon, lat, 0.0 );
w_lights.push_back( pt );
// left 8 side lights
pt = SGGeodesy::direct(pt, left_hdg, 4.5);
for ( i = 0; i < 8; ++i ) {
w_lights.push_back( Point3D::fromSGGeod(pt) );
w_normals.push_back( normal1 );
pt = SGGeodesy::direct(pt, left_hdg, 1.5);
}
pt = ref;
// right 8 side lights
geo_direct_wgs_84 ( pt.lat(), pt.lon(), left_hdg,
-15 * SG_FEET_TO_METER, &lat, &lon, &r );
pt = Point3D( lon, lat, 0.0 );
w_lights.push_back( pt );
w_normals.push_back( normal1 );
for ( j = 0; j < 7; ++j ) {
geo_direct_wgs_84 ( pt.lat(), pt.lon(), left_hdg,
-5 * SG_FEET_TO_METER, &lat, &lon, &r );
pt = Point3D( lon, lat, 0.0 );
w_lights.push_back( pt );
// right 8 side lights
pt = SGGeodesy::direct(pt, left_hdg, -4.5);
for ( i = 0; i < 8; ++i ) {
w_lights.push_back( Point3D::fromSGGeod(pt) );
w_normals.push_back( normal1 );
pt = SGGeodesy::direct(pt, left_hdg, -1.5);
}
ref = ref_save;
if ( kind == "1" || kind == "2" ) {
// generate rabbit lights
// start 1000' downwind
geo_direct_wgs_84 ( ref.lat(), ref.lon(), length_hdg,
-1000 * SG_FEET_TO_METER, &lat, &lon, &r );
ref = Point3D( lon, lat, 0.0 );
// start 300m downwind
ref = SGGeodesy::direct(ref, length_hdg, -300);
for ( i = 0; i < 21; ++i ) {
s_lights.push_back( ref );
s_lights.push_back( Point3D::fromSGGeod(ref) );
s_normals.push_back( normal1 );
// offset 100' downwind
geo_direct_wgs_84 ( ref.lat(), ref.lon(), length_hdg,
-100 * SG_FEET_TO_METER, &lat, &lon, &r );
ref = Point3D( lon, lat, 0.0 );
// offset 30m downwind
ref = SGGeodesy::direct(ref, length_hdg, -30);
}
} else if ( kind == "P" ) {
// generate 3 sequenced lights aligned with last 3 light bars
// start 1300' downwind
geo_direct_wgs_84 ( ref.lat(), ref.lon(), length_hdg,
-1300 * SG_FEET_TO_METER, &lat, &lon, &r );
ref = Point3D( lon, lat, 0.0 );
// start 390m downwind
ref = SGGeodesy::direct(ref, length_hdg, -390);
for ( i = 0; i < 3; ++i ) {
s_lights.push_back( ref );
s_lights.push_back( Point3D::fromSGGeod(ref) );
s_normals.push_back( normal1 );
// offset 100' downwind
geo_direct_wgs_84 ( ref.lat(), ref.lon(), length_hdg,
-100 * SG_FEET_TO_METER, &lat, &lon, &r );
ref = Point3D( lon, lat, 0.0 );
// offset 30m downwind
ref = SGGeodesy::direct(ref, length_hdg, -30);
}
}
@ -1420,7 +1292,7 @@ superpoly_list Runway::gen_alsf( const string &kind, bool recip )
result.push_back( sequenced );
}
return result;
}
@ -2124,6 +1996,7 @@ void Runway::gen_runway_lights( superpoly_list *lights ) {
lights->push_back( s );
}
#if 0
////////////////////////////////////////////////////////////
// NOT IMPLIMENTED:
//
@ -2131,7 +2004,6 @@ void Runway::gen_runway_lights( superpoly_list *lights ) {
//
////////////////////////////////////////////////////////////
if ( rwy.approach_lights[0] == -1 /* SALSF not supported by database */ ) {
superpoly_list s = gen_alsf( "P", false );
for ( i = 0; i < s.size(); ++i ) {
@ -2157,6 +2029,7 @@ void Runway::gen_runway_lights( superpoly_list *lights ) {
lights->push_back( s[i] );
}
}
#endif
// Approach light systems that have a threshold light bar
// use a central routine for its creation