class DublinBikes::Station
Attributes
address[R]
id[R]
latitude[R]
longitude[R]
Public Class Methods
new(marker)
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# File lib/dublin_bikes/station.rb, line 5 def initialize(marker) @id = marker.number @address = marker.address @latitude = marker.lat @longitude = marker.lng end
Public Instance Methods
distance_to(m_lat, m_lng)
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# File lib/dublin_bikes/station.rb, line 12 def distance_to(m_lat, m_lng) d_lat = (@latitude - m_lat).to_rad d_lng = (@longitude - m_lng).to_rad a = Math.sin(d_lat / 2) * Math.sin(d_lat / 2) + Math.cos(m_lat.to_rad) * Math.cos(@latitude.to_rad) * Math.sin(d_lng / 2) * Math.sin(d_lng / 2) c = 2 * Math.atan2(Math.sqrt(a), Math.sqrt(1 - a)) 6371 * c end