Changes and additions to utility functions to support voice ATC rendering and AI taxiing.
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daveluff
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2a1c00b8e4
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46011ab535
2 changed files with 185 additions and 129 deletions
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@ -22,12 +22,36 @@
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#include <simgear/math/point3d.hxx>
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#include <simgear/constants.h>
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#include <plib/sg.h>
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#include <iomanip.h>
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//#include <iomanip.h>
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#include "ATCutils.hxx"
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// Convert any number to spoken digits
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string ConvertNumToSpokenDigits(string n) {
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//cout << "n = " << n << endl;
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string nums[10] = {"zero", "one", "two", "three", "four", "five", "six", "seven", "eight", "nine"};
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string pt = "decimal";
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string str = "";
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for(unsigned int i=0; i<n.length(); ++i) {
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//cout << "n.substr(" << i << ",1 = " << n.substr(i,1) << endl;
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if(n.substr(i,1) == " ") {
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// do nothing
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} else if(n.substr(i,1) == ".") {
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str += pt;
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} else {
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str += nums[atoi((n.substr(i,1)).c_str())];
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}
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if(i != (n.length()-1)) { // ie. don't add a space at the end.
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str += " ";
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}
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}
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return(str);
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}
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// Convert a 2 digit rwy number to a spoken-style string
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string convertNumToSpokenString(int n) {
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string ConvertRwyNumToSpokenString(int n) {
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string nums[10] = {"zero", "one", "two", "three", "four", "five", "six", "seven", "eight", "nine"};
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// Basic error/sanity checking
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while(n < 0) {
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@ -44,7 +68,8 @@ string convertNumToSpokenString(int n) {
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int index = n/10;
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str += nums[index];
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n -= (index * 10);
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str += "-";
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//str += "-";
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str += " "; //Changed this for the benefit of the voice token parser - prefer the "-" in the visual output though.
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str += nums[n];
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return(str);
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}
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@ -53,38 +78,38 @@ string convertNumToSpokenString(int n) {
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string GetPhoneticIdent(int i) {
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// TODO - Check i is between 1 and 26 and wrap if necessary
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switch(i) {
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case 1 : return("Alpha");
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case 2 : return("Bravo");
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case 3 : return("Charlie");
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case 4 : return("Delta");
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case 5 : return("Echo");
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case 6 : return("Foxtrot");
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case 7 : return("Golf");
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case 8 : return("Hotel");
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case 9 : return("Indigo");
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case 10 : return("Juliet");
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case 11 : return("Kilo");
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case 12 : return("Lima");
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case 13 : return("Mike");
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case 14 : return("November");
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case 15 : return("Oscar");
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case 16 : return("Papa");
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case 17 : return("Quebec");
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case 18 : return("Romeo");
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case 19 : return("Sierra");
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case 20 : return("Tango");
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case 21 : return("Uniform");
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case 22 : return("Victor");
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case 23 : return("Whiskey");
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case 24 : return("X-ray");
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case 25 : return("Yankee");
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case 26 : return("Zulu");
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case 1 : return("alpha");
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case 2 : return("bravo");
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case 3 : return("charlie");
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case 4 : return("delta");
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case 5 : return("echo");
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case 6 : return("foxtrot");
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case 7 : return("golf");
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case 8 : return("hotel");
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case 9 : return("india");
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case 10 : return("juliet");
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case 11 : return("kilo");
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case 12 : return("lima");
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case 13 : return("mike");
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case 14 : return("november");
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case 15 : return("oscar");
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case 16 : return("papa");
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case 17 : return("quebec");
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case 18 : return("romeo");
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case 19 : return("sierra");
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case 20 : return("tango");
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case 21 : return("uniform");
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case 22 : return("victor");
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case 23 : return("whiskey");
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case 24 : return("x-ray");
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case 25 : return("yankee");
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case 26 : return("zulu");
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}
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// We shouldn't get here
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return("Error");
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}
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// Given two positions, get the HORIZONTAL separation (in meters)
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// Given two positions (lat & lon in degrees), get the HORIZONTAL separation (in meters)
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double dclGetHorizontalSeparation(Point3D pos1, Point3D pos2) {
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double x; //East-West separation
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double y; //North-South separation
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@ -104,6 +129,7 @@ double dclGetHorizontalSeparation(Point3D pos1, Point3D pos2) {
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// Given a point and a line, get the HORIZONTAL shortest distance from the point to a point on the line.
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// Expects to be fed orthogonal co-ordinates, NOT lat & lon !
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// The units of the separation will be those of the input.
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double dclGetLinePointSeparation(double px, double py, double x1, double y1, double x2, double y2) {
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double vecx = x2-x1;
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double vecy = y2-y1;
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@ -120,7 +146,8 @@ double dclGetLinePointSeparation(double px, double py, double x1, double y1, dou
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return(d);
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}
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// Given a position (lat/lon/elev), heading, vertical angle, and distance, calculate the new position.
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// Given a position (lat/lon/elev), heading and vertical angle (degrees), and distance (meters), calculate the new position.
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// This function assumes the world is spherical. If geodetic accuracy is required use the functions is sg_geodesy instead!
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// Assumes that the ground is not hit!!! Expects heading and angle in degrees, distance in meters.
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Point3D dclUpdatePosition(Point3D pos, double heading, double angle, double distance) {
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//cout << setprecision(10) << pos.lon() << ' ' << pos.lat() << '\n';
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@ -152,22 +179,42 @@ Point3D dclUpdatePosition(Point3D pos, double heading, double angle, double dist
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return(Point3D(lon*DCL_RADIANS_TO_DEGREES, lat*DCL_RADIANS_TO_DEGREES, elev));
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}
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// Get a heading in degrees from one lat/lon to another.
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// This function assumes the world is spherical. If geodetic accuracy is required use the functions is sg_geodesy instead!
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// Warning - at the moment we are not checking for identical points - currently it returns 90 in this instance.
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double GetHeadingFromTo(Point3D A, Point3D B) {
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double latA = A.lat() * DCL_DEGREES_TO_RADIANS;
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double lonA = A.lon() * DCL_DEGREES_TO_RADIANS;
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double latB = B.lat() * DCL_DEGREES_TO_RADIANS;
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double lonB = B.lon() * DCL_DEGREES_TO_RADIANS;
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double xdist = sin(lonB - lonA) * (double)SG_EQUATORIAL_RADIUS_M * cos((latA+latB)/2.0);
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double ydist = sin(latB - latA) * (double)SG_EQUATORIAL_RADIUS_M;
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#if 0
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/* Determine location in runway coordinates */
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if(xdist >= 0) {
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if(ydist > 0) {
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return(atan(xdist/ydist) * DCL_RADIANS_TO_DEGREES);
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} else if (ydist == 0) {
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return(90.0);
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} else {
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return(180.0 - atan(xdist/fabs(ydist)) * DCL_RADIANS_TO_DEGREES);
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}
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} else {
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if(ydist > 0) {
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return(360.0 - atan(fabs(xdist)/ydist) * DCL_RADIANS_TO_DEGREES);
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} else if (ydist == 0) {
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return(270.0);
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} else {
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return(180.0 + atan(xdist/ydist) * DCL_RADIANS_TO_DEGREES);
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}
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}
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}
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Radius_to_rwy = Sea_level_radius + Runway_altitude;
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cos_rwy_hdg = cos(Runway_heading*DEG_TO_RAD);
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sin_rwy_hdg = sin(Runway_heading*DEG_TO_RAD);
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D_cg_north_of_rwy = Radius_to_rwy*(Latitude - Runway_latitude);
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D_cg_east_of_rwy = Radius_to_rwy*cos(Runway_latitude)
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*(Longitude - Runway_longitude);
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D_cg_above_rwy = Radius_to_vehicle - Radius_to_rwy;
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X_cg_rwy = D_cg_north_of_rwy*cos_rwy_hdg
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+ D_cg_east_of_rwy*sin_rwy_hdg;
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Y_cg_rwy =-D_cg_north_of_rwy*sin_rwy_hdg
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+ D_cg_east_of_rwy*cos_rwy_hdg;
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H_cg_rwy = D_cg_above_rwy;
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#endif
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// Given a heading (in degrees), bound it from 0 -> 360
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void dclBoundHeading(double &hdg) {
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while(hdg < 0.0) {
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hdg += 360.0;
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}
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while(hdg > 360.0) {
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hdg -= 360.0;
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}
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}
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@ -34,8 +34,11 @@ SG_USING_STD(string);
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*
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********************************/
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// Convert any number to spoken digits
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string ConvertNumToSpokenDigits(string n);
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// Convert a 2 digit rwy number to a spoken-style string
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string convertNumToSpokenString(int n);
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string ConvertRwyNumToSpokenString(int n);
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// Return the phonetic letter of a letter represented as an integer 1->26
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string GetPhoneticIdent(int i);
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@ -47,7 +50,7 @@ string GetPhoneticIdent(int i);
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*
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********************************/
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// Given two positions, get the HORIZONTAL separation
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// Given two positions, get the HORIZONTAL separation (in meters)
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double dclGetHorizontalSeparation(Point3D pos1, Point3D pos2);
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// Given a point and a line, get the HORIZONTAL shortest distance from the point to a point on the line.
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@ -57,3 +60,9 @@ double dclGetLinePointSeparation(double px, double py, double x1, double y1, dou
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// Given a position (lat/lon/elev), heading, vertical angle, and distance, calculate the new position.
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// Assumes that the ground is not hit!!! Expects heading and angle in degrees, distance in meters.
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Point3D dclUpdatePosition(Point3D pos, double heading, double angle, double distance);
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// Get a heading from one lat/lon to another (in degrees)
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double GetHeadingFromTo(Point3D A, Point3D B);
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// Given a heading (in degrees), bound it from 0 -> 360
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void dclBoundHeading(double &hdg);
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