class Resolv::LOC::Coord

A Resolv::LOC::Coord

Constants

Regex

Attributes

coordinates[R]

The raw coordinates

orientation[R]

The orientation of the hemisphere as 'lat' or 'lon'

Public Class Methods

create(arg) click to toggle source

Creates a new LOC::Coord from arg which may be:

LOC::Coord: returns arg.
String: arg must match the LOC::Coord::Regex constant

# File lib/resolv.rb, line 2723
def self.create(arg)
  case arg
  when Coord
    return arg
  when String
    coordinates = ''
    if Regex =~ arg && $1.to_f < 180
      m = $~
      hemi = (m[4][/[NE]/]) || (m[4][/[SW]/]) ? 1 : -1
      coordinates = [ ((m[1].to_i*(36e5)) + (m[2].to_i*(6e4)) +
                       (m[3].to_f*(1e3))) * hemi+(2**31) ].pack("N")
      orientation = m[4][/[NS]/] ? 'lat' : 'lon'
    else
      raise ArgumentError.new("not a properly formed Coord string: " + arg)
    end
    return Coord.new(coordinates,orientation)
  else
    raise ArgumentError.new("cannot interpret as Coord: #{arg.inspect}")
  end
end

new(coordinates,orientation) click to toggle source

# File lib/resolv.rb, line 2744
def initialize(coordinates,orientation)
  unless coordinates.kind_of?(String)
    raise ArgumentError.new("Coord must be a 32bit unsigned integer in hex format: #{coordinates.inspect}")
  end
  unless orientation.kind_of?(String) && orientation[/^lon$|^lat$/]
    raise ArgumentError.new('Coord expects orientation to be a String argument of "lat" or "lon"')
  end
  @coordinates = coordinates
  @orientation = orientation
end