return(str);
}
-// Assumes we get a two-digit string optionally appended with R or L
+// Assumes we get a two-digit string optionally appended with L, R or C
// eg 01 07L 29R 36
// Anything else is not guaranteed to be handled correctly!
string ConvertRwyNumToSpokenString(string s) {
return(ConvertRwyNumToSpokenString(atoi(s.c_str())));
} else {
string r = ConvertRwyNumToSpokenString(atoi(s.substr(0,2).c_str()));
- return(r += (s.substr(2,1) == "L" ? " left" : " right")); // Warning - not much error checking there!
+ if(s.substr(2,1) == "L") {
+ r += " left";
+ } else if(s.substr(2,1) == "R") {
+ r += " right";
+ } else if(s.substr(2,1) == "C") {
+ r += " center";
+ } else {
+ SG_LOG(SG_ATC, SG_WARN, "WARNING: Unknown suffix " << s.substr(2,1) << " from runway ID " << s << " in ConvertRwyNumToSpokenString(...)");
+ }
+ return(r);
}
}
return("Error");
}
+//================================================================================================================
+
// Given two positions (lat & lon in degrees), get the HORIZONTAL separation (in meters)
double dclGetHorizontalSeparation(Point3D pos1, Point3D pos2) {
double x; //East-West separation
}
}
+// smallest difference between two angles in degrees
+// difference is negative if a1 > a2 and positive if a2 > a1
+double GetAngleDiff_deg( const double &a1, const double &a2) {
+
+ double a3 = a2 - a1;
+ while (a3 < 180.0) a3 += 360.0;
+ while (a3 > 180.0) a3 -= 360.0;
+
+ return a3;
+}
+
+//================================================================================================================
+
// Airport stuff. The next two functions are straight copies of their fg.... equivalents
// in fg_init.cxx, and are just here temporarily until some rationalisation occurs.
// find basic airport location info from airport database
// Runway stuff
// Given a Point3D (lon/lat/elev) and an FGRunway struct, determine if the point lies on the runway
-bool OnRunway(Point3D pt, FGRunway* rwy) {
+bool OnRunway(Point3D pt, const FGRunway& rwy) {
FGATCAlignedProjection ortho;
- Point3D centre(rwy->lon, rwy->lat, 0.0); // We don't need the elev
- ortho.Init(centre, rwy->heading);
+ Point3D centre(rwy.lon, rwy.lat, 0.0); // We don't need the elev
+ ortho.Init(centre, rwy.heading);
Point3D xyc = ortho.ConvertToLocal(centre);
Point3D xyp = ortho.ConvertToLocal(pt);
//cout << "Length offset = " << fabs(xyp.y() - xyc.y()) << '\n';
//cout << "Width offset = " << fabs(xyp.x() - xyc.x()) << '\n';
- if((fabs(xyp.y() - xyc.y()) < ((rwy->length/2.0) + 5.0))
- && (fabs(xyp.x() - xyc.x()) < (rwy->width/2.0))) {
+ if((fabs(xyp.y() - xyc.y()) < ((rwy.length/2.0) + 5.0))
+ && (fabs(xyp.x() - xyc.x()) < (rwy.width/2.0))) {
return(true);
}