EarthPosition Struct Reference

Detailed Description

This structure stores the location of a point on (or near) the surface of the Earth in both geodetic and geocentric coordinates, as described in TerrestrialCoordinates.c .

Definition at line 81 of file SkyCoordinates.h.

Data Fields
SkyPosition	geodetic
	The geographic coordinates of the upward vertical direction from the point; that is, the point's geodetic latitude and longitude. More...
REAL8	elevation
	The vertical distance of the point above the reference ellipsoid, in metres. More...
REAL8	x
REAL8	y
REAL8	z
	The Earth-fixed geocentric Cartesian coordinates of the point, in metres. More...
REAL8	radius
	The distance of the point from the geocentre, in metres. More...
SkyPosition	geocentric
	The geographic coordinates of the direction from the centre of the Earth through the point; that is, the point's geocentric latitude and longitude. More...

Field Documentation

geodetic

SkyPosition EarthPosition::geodetic

The geographic coordinates of the upward vertical direction from the point; that is, the point's geodetic latitude and longitude.

Definition at line 82 of file SkyCoordinates.h.

elevation

REAL8 EarthPosition::elevation

The vertical distance of the point above the reference ellipsoid, in metres.

Definition at line 86 of file SkyCoordinates.h.

x

REAL8 EarthPosition::x

Definition at line 89 of file SkyCoordinates.h.

y

REAL8 EarthPosition::y

Definition at line 89 of file SkyCoordinates.h.

z

REAL8 EarthPosition::z

The Earth-fixed geocentric Cartesian coordinates of the point, in metres.

Definition at line 89 of file SkyCoordinates.h.

radius

REAL8 EarthPosition::radius

The distance of the point from the geocentre, in metres.

Definition at line 92 of file SkyCoordinates.h.

geocentric

SkyPosition EarthPosition::geocentric

The geographic coordinates of the direction from the centre of the Earth through the point; that is, the point's geocentric latitude and longitude.

Definition at line 94 of file SkyCoordinates.h.