//constants.h

#ifndef CONSTANTS_H
#define CONSTANTS_H

#include "LatLong-UTMconversion.h"

#define PI M_PI
#define FOURTHPI (PI / 4)
#define deg2rad (PI / 180)
#define rad2deg (180.0 / PI)

static const Ellipsoid ellipsoid[] = 
{//  id, Ellipsoid name, Equatorial Radius, square of eccentricity	
	{ -1, "Placeholder", 0, 0 },//placeholder only, To allow array indices to match id numbers
	{ 1, "Airy", 6377563, 0.00667054 },
	{ 2, "Australian National", 6378160, 0.006694542 },
	{ 3, "Bessel 1841", 6377397, 0.006674372 },
	{ 4, "Bessel 1841 (Nambia) ", 6377484, 0.006674372 },
	{ 5, "Clarke 1866", 6378206, 0.006768658 },
	{ 6, "Clarke 1880", 6378249, 0.006803511 },
	{ 7, "Everest", 6377276, 0.006637847 },
	{ 8, "Fischer 1960 (Mercury) ", 6378166, 0.006693422 },
	{ 9, "Fischer 1968", 6378150, 0.006693422 },
	{ 10, "GRS 1967", 6378160, 0.006694605 },
	{ 11, "GRS 1980", 6378137, 0.00669438 },
	{ 12, "Helmert 1906", 6378200, 0.006693422 },
	{ 13, "Hough", 6378270, 0.00672267 },
	{ 14, "International", 6378388, 0.00672267 },
	{ 15, "Krassovsky", 6378245, 0.006693422 },
	{ 16, "Modified Airy", 6377340, 0.00667054 },
	{ 17, "Modified Everest", 6377304, 0.006637847 },
	{ 18, "Modified Fischer 1960", 6378155, 0.006693422 },
	{ 19, "South American 1969", 6378160, 0.006694542 },
	{ 20, "WGS 60", 6378165, 0.006693422 },
	{ 21, "WGS 66", 6378145, 0.006694542 },
	{ 22, "WGS-72", 6378135, 0.006694318 },
	{ 23, "WGS-84", 6378137, 0.00669438 }
};

#endif