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Feb 21st, 2018
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  1. def self.position_convert(pos)
  2. lat = pos.latitude
  3. lng = pos.longitude
  4.  
  5. lat = (lat * 0xffffff / 180) + 90
  6. lat = [lat].pack('V') # or 'N'?
  7.  
  8. lng = -lng + 360
  9. lng = (lng * 0xffffff) / 360
  10. lng = [lng].pack('V')
  11.  
  12. "#{lat[0 .. 2]}#{lng[0 .. 2]}"
  13. end
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