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Runway VASI support

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This commit is contained in:
Christian Schmitt 2012-02-27 13:33:49 +01:00
parent 9f57a49382
commit 0788bf0fcb
1 changed files with 67 additions and 2 deletions
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69
src/Airports/GenAirports850/object.cxx
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@ -64,7 +64,67 @@ void LightingObj::BuildBtg( int alt_m, superpoly_list* lights )
// We know our normal, now create the lights // We know our normal, now create the lights
Point3D pt1; Point3D pt1;
if (type == 2) if (type == 1)
{
SG_LOG(SG_GENERAL, SG_DEBUG, "Generating VASI = " << assoc_rw);
// VASI coordinates describe the center between the two bars.
// Space between the bars is 700 ft
// Go to downwind bar
geo_direct_wgs_84 ( alt_m, ref.lat(), ref.lon(), heading,
-350 * SG_FEET_TO_METER, &lat2, &lon2, &r );
pt1 = Point3D( lon2, lat2, 0.0 );
// unit1
geo_direct_wgs_84 ( alt_m, pt1.lat(), pt1.lon(), left_hdg,
-16 * SG_FEET_TO_METER, &lat2, &lon2, &r );
pt1 = Point3D( lon2, lat2, 0.0 );
lightobj.push_back( pt1 );
normals.push_back( normal );
// unit2
geo_direct_wgs_84 ( alt_m, pt1.lat(), pt1.lon(), left_hdg,
16 * SG_FEET_TO_METER, &lat2, &lon2, &r );
pt1 = Point3D( lon2, lat2, 0.0 );
lightobj.push_back( pt1 );
normals.push_back( normal );
// unit3
geo_direct_wgs_84 ( alt_m, pt1.lat(), pt1.lon(), left_hdg,
16 * SG_FEET_TO_METER, &lat2, &lon2, &r );
pt1 = Point3D( lon2, lat2, 0.0 );
lightobj.push_back( pt1 );
normals.push_back( normal );
// Go to upwind bar
geo_direct_wgs_84 ( alt_m, ref.lat(), ref.lon(), heading,
350 * SG_FEET_TO_METER, &lat2, &lon2, &r );
pt1 = Point3D( lon2, lat2, 0.0 );
// unit4
geo_direct_wgs_84 ( alt_m, pt1.lat(), pt1.lon(), left_hdg,
-16 * SG_FEET_TO_METER, &lat2, &lon2, &r );
pt1 = Point3D( lon2, lat2, 0.0 );
lightobj.push_back( pt1 );
normals.push_back( normal );
// unit5
geo_direct_wgs_84 ( alt_m, pt1.lat(), pt1.lon(), left_hdg,
16 * SG_FEET_TO_METER, &lat2, &lon2, &r );
pt1 = Point3D( lon2, lat2, 0.0 );
lightobj.push_back( pt1 );
normals.push_back( normal );
// unit6
geo_direct_wgs_84 ( alt_m, pt1.lat(), pt1.lon(), left_hdg,
16 * SG_FEET_TO_METER, &lat2, &lon2, &r );
pt1 = Point3D( lon2, lat2, 0.0 );
lightobj.push_back( pt1 );
normals.push_back( normal );
}
else if (type == 2)
{ {
SG_LOG(SG_GENERAL, SG_DEBUG, "Generating PAPI 4L = " << assoc_rw); SG_LOG(SG_GENERAL, SG_DEBUG, "Generating PAPI 4L = " << assoc_rw);
@ -97,7 +157,7 @@ void LightingObj::BuildBtg( int alt_m, superpoly_list* lights )
normals.push_back( normal ); normals.push_back( normal );
} }
if (type == 3) else if (type == 3)
{ {
SG_LOG(SG_GENERAL, SG_DEBUG, "Generating PAPI 4R = " << assoc_rw); SG_LOG(SG_GENERAL, SG_DEBUG, "Generating PAPI 4R = " << assoc_rw);
@ -130,6 +190,11 @@ void LightingObj::BuildBtg( int alt_m, superpoly_list* lights )
normals.push_back( normal ); normals.push_back( normal );
} }
else
{
SG_LOG(SG_GENERAL, SG_ALERT, "Unknown lighting object (PAPI/VASI...) code: " << type);
}
TGPolygon lights_poly; lights_poly.erase(); TGPolygon lights_poly; lights_poly.erase();
TGPolygon normals_poly; normals_poly.erase(); TGPolygon normals_poly; normals_poly.erase();
lights_poly.add_contour( lightobj, false ); lights_poly.add_contour( lightobj, false );