EVOLUTION-MANAGER

Edit File: geod_interface.c

#include "projects.h" #include "geod_interface.h" void geod_ini(void) { geod_init(&GlobalGeodesic, geod_a, geod_f); } void geod_pre(void) { double lat1 = phi1 / DEG_TO_RAD, lon1 = lam1 / DEG_TO_RAD, azi1 = al12 / DEG_TO_RAD; geod_lineinit(&GlobalGeodesicLine, &GlobalGeodesic, lat1, lon1, azi1, 0U); } void geod_for(void) { double s12 = geod_S, lat2, lon2, azi2; geod_position(&GlobalGeodesicLine, s12, &lat2, &lon2, &azi2); azi2 += azi2 >= 0 ? -180 : 180; /* Compute back azimuth */ phi2 = lat2 * DEG_TO_RAD; lam2 = lon2 * DEG_TO_RAD; al21 = azi2 * DEG_TO_RAD; } void geod_inv(void) { double lat1 = phi1 / DEG_TO_RAD, lon1 = lam1 / DEG_TO_RAD, lat2 = phi2 / DEG_TO_RAD, lon2 = lam2 / DEG_TO_RAD, azi1, azi2, s12; geod_inverse(&GlobalGeodesic, lat1, lon1, lat2, lon2, &s12, &azi1, &azi2); azi2 += azi2 >= 0 ? -180 : 180; /* Compute back azimuth */ al12 = azi1 * DEG_TO_RAD; al21 = azi2 * DEG_TO_RAD; geod_S = s12; }