#include <gls_map_util.h>

Protected Attributes
double	_a
	equatorial radius

double	_f
	flattening (a-b)/a

double	_a_sq
	radius squared

double	_b
	polar semi-diameter

double	_b_sq
	polar semi-diameter squared

double	_a_sq_over_b
	a*a/b

double	_e
	ellipticity 2f-f*f

double	_c1
	(1-f)*(1-f)

double	_a_b
	(a * b)

double	_a_sq_sq
	(a * a * a * a)

double	_b_sq_sq
	(b * b * b * b)

double	_two_over_a
	(2/a)

double	_two_over_b
	(2/b)

double	_two_over_a_sq
	2/(a * a)

double	_two_over_b_sq
	2/(b * b)

double	_e_sq
	eccentricity squared

double	_ep_sq
	e-prime squared

double	_ef
	e-factor

double	_e_sq_to_3
	pow(e_sq,3.0)

double	_ef_to_3
	pow(ef,3.0)

double	_ef_to_4
	pow(ef,4.0)

double	_poly1_a
	1.0 - _e_sq / 4.0 - 3.0 * _e_sq * _e_sq / 64.0 - 5.0 * _e_sq_to_3 / 256.0

double	_poly2_a
	3.0 * _ef / 2.0 - 27.0 * _ef_to_3 / 32.0

double	_poly3_a
	21.0 * _ef * _ef / 16.0 - 55.0 * _ef_to_4 / 32.0

double	_poly4_a
	151.0 * _ef_to_3 / 96.0

double	_poly5_a
	1097.0 * _ef_to_4 / 512.0

double	_poly1_b
	1.0 - (_e_sq / 4.0) - (3.0 * _e_sq * _e_sq) / 64.0 - 5.0 * _e_sq_to_3 / 256.0

double	_poly2_b
	3.0 * _e_sq / 8.0 + (3.0 * _e_sq * _e_sq) / 32.0 + 45.0 * _e_sq_to_3 / 1024.0

double	_poly3_b
	15.0 * _e_sq * _e_sq / 256.0 + 45.0 * _e_sq_to_3 / 1024.0

double	_poly4_b
	35.0 * _e_sq_to_3 / 3072.0

Detailed Description

The EllipsoidParams class is used to store data about the reference ellipsoid used for geodetic coordinate conversions. The GeoCoord methods use the WGS84 reference ellipsoid by default.

The documentation for this class was generated from the following file:

gls_map_util.h

Protected Attributes

Detailed Description