NAME
Astro::Nova::HMS - Perl representation of a libnova ln_hms (hours, minutes, seconds)
SYNOPSIS
use Astro::Nova qw(functions ...);
my $date = Astro::Nova::HMS->new();
$date->set_year(...);
# ...
print $date->as_ascii(), "\n";
my @members = $date->get_all();DESCRIPTION
This class represents a libnova ln_hms struct. The struct has the following layout:
ln_hms {
unsigned short hours
unsigned short minutes
double seconds
}METHODS
new
Constructor returns a new Astro::Nova::HMS. Optionally takes key/value pairs for setting the struct members. Extra arguments are ignored. Uninitialized struct members are set to zero.
get_... / set_...
Get or set any of the class attributes. (See list above)
get_all
Returns all members as a list.
set_all
Sets all members. Takes a list of values which must be in the order shown above. Any missing values are ignored, undefs are skipped.
as_ascii
Returns a human-readable ASCII table of the date information.
members
Returns a list of all members in order.
to_degrees / to_radians / to_dms
Convert to degrees or radians (returns a number).
to_dms Converts to Astro::Nova::DMS (degrees, minutes, seconds).
from_degrees / from_radians / from_dms
When called as a class method, creates a new Astro::Nova::HMS object from the given degrees/radians value or Astro::Nova::DMS object.
When called as an object method, sets the current object's state instead.
SEE ALSO
libnova website: http://libnova.sourceforge.net/
AUTHOR
Steffen Mueller, <smueller@cpan.org>
COPYRIGHT AND LICENSE
The Astro::Nova wrapper of libnova is copyright (C) 2009-2010 by Steffen Mueller.
The wrapper code is free software; you can redistribute it and/or modify it under the same terms as Perl itself, either Perl version 5.8.0 or, at your option, any later version of Perl 5 you may have available.
libnova is maintained by Liam Girdwood and Petr Kubanek.
libnova is released under the GNU LGPL. This may limit the licensing terms of the wrapper code. If in doubt, ask a lawyer.