| Geo::Constants(3pm) | User Contributed Perl Documentation | Geo::Constants(3pm) | 
NAME¶
Geo::Constants - Package for standard Geo:: constants.
SYNOPSIS¶
  use Geo::Constants qw{PI DEG RAD}; #import into namespace
  print "PI:  ", PI(), "\n";
  print "d/r: ", DEG(), "\n";
  print "r/d: ", RAD(), "\n";
  use Geo::Constants;                #Perl OO
  my $obj = Geo::Constants->new();
  print "PI:  ", $obj->PI, "\n";
  print "d/r: ", $obj->DEG, "\n";
  print "r/d: ", $obj->RAD, "\n";
DESCRIPTION¶
CONSTRUCTOR¶
new¶
The new() constructor
my $obj = Geo::Constants->new();
METHODS¶
PI¶
  my $pi = $obj->PI;
  use Geo::Constants qw{PI};
  my $pi = PI();
DEG¶
  my $degrees_per_radian = $obj->DEG;
  use Geo::Constants qw{DEG};
  my $degrees_per_radian = DEG();
RAD¶
  my $radians_per_degree = $obj->RAD;
  use Geo::Constants qw{DEG};
  my $radians_per_degree = RAD();
KNOTS¶
1 nautical mile per hour = (1852/3600) m/s - United States Department of Commerce, National Institute of Standards and Technology, NIST Special Publication 330, 2001 Edition
Returns 1852/3600
TODO¶
Add more constants
BUGS¶
Please send to the geo-perl email list.
LIMITS¶
AUTHOR¶
Michael R. Davis qw/perl michaelrdavis com/
LICENSE¶
Copyright (c) 2006 Michael R. Davis (mrdvt92)
This library is free software; you can redistribute it and/or modify it under the same terms as Perl itself.
SEE ALSO¶
Geo::Functions Geo::Ellipsoids
| 2021-01-05 | perl v5.32.0 |