clat = (int)clat - 0.5;
}
- double clat_rad = clat * DEG_TO_RAD;
+ double clat_rad = clat * SGD_DEGREES_TO_RADIANS;
double cos_lat = cos( clat_rad );
- double local_radius = cos_lat * EQUATORIAL_RADIUS_M;
- double local_perimeter = 2.0 * local_radius * SG_PI;
+ double local_radius = cos_lat * SG_EQUATORIAL_RADIUS_M;
+ double local_perimeter = 2.0 * local_radius * SGD_PI;
double degree_width = local_perimeter / 360.0;
// cout << "clat = " << clat << endl;
// cout << "local_perimeter = " << local_perimeter << endl;
// cout << "degree_width = " << degree_width << endl;
- double perimeter = 2.0 * EQUATORIAL_RADIUS_M * SG_PI;
+ double perimeter = 2.0 * SG_EQUATORIAL_RADIUS_M * SGD_PI;
double degree_height = perimeter / 360.0;
// cout << "degree_height = " << degree_height << endl;