libnova  v 0.15.0
Data Fields
ln_hrz_posn Struct Reference

Horizontal Coordinates. More...

Data Fields

double az
 
double alt
 

Detailed Description

Horizontal Coordinates.

The Azimuth and Altitude of an object.

Angles are expressed in degrees.

Examples
asteroid.c, and transforms.c.

Field Documentation

◆ alt

double ln_hrz_posn::alt

ALT. Object altitude.

0 deg = horizon, 90 deg = zenit, -90 deg = nadir

Examples
transforms.c.

Referenced by ln_get_equ_from_hrz(), ln_get_hrz_from_equ_sidereal_time(), ln_hhrz_to_hrz(), and ln_hrz_to_hhrz().

◆ az

double ln_hrz_posn::az

AZ. Object azimuth.

0 deg = South, 90 deg = West, 180 deg = Nord, 270 deg = East

Examples
transforms.c.

Referenced by ln_get_equ_from_hrz(), ln_get_hrz_from_equ_sidereal_time(), ln_hhrz_to_hrz(), ln_hrz_to_hhrz(), and ln_hrz_to_nswe().