Astro::Coord::ECI::Sun Compute the position of the Sun.
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Perl module perl Sun position Sun position

Astro::Coord::ECI::Sun Description

Compute the position of the Sun. Astro::Coord::ECI::Sun is a Perl module to compute the position of the Sun.SYNOPSIS use Astro::Coord::ECI; use Astro::Coord::ECI::Sun; use Astro::Coord::ECI::Utils qw{deg2rad}; # 1600 Pennsylvania Ave, Washington DC USA # latitude 38.899 N, longitude 77.038 W, # altitude 16.68 meters above sea level my $lat = deg2rad (38.899); # Radians my $long = deg2rad (-77.038); # Radians my $alt = 16.68 / 1000; # Kilometers my $sun = Astro::Coord::ECI::Sun->new (); my $sta = Astro::Coord::ECI-> universal (time ())-> geodetic ($lat, $long, $alt); my ($time, $rise) = $sta->next_elevation ($sun); print "Sun @{} is ", scalar localtime $time, " ";This module implements the position of the Sun as a function of time, as described in Jean Meeus' "Astronomical Algorithms," second edition. It is a subclass of Astro::Coord::ECI, with the id, name, and diameter attributes initialized appropriately, and the time_set() method overridden to compute the position of the Sun at the given time. Requirements: · Perl

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