Class: V900Waypoint

Inherits:
Object
  • Object
show all
Defined in:
lib/columbus3/v900track/v900waypoint.rb

Overview

a facade which presents a CSV::row as a v900 waypoint

Instance Method Summary collapse

Constructor Details

#initialize(row) ⇒ V900Waypoint

Returns a new instance of V900Waypoint.



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# File 'lib/columbus3/v900track/v900waypoint.rb', line 5

def initialize row
  @row = row
end

Instance Method Details

#heading ⇒ Object 



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# File 'lib/columbus3/v900track/v900waypoint.rb', line 53

def heading
  @row["HEADING"].to_i
end

#height ⇒ Object 



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# File 'lib/columbus3/v900track/v900waypoint.rb', line 45

def height
  @row["HEIGHT"].to_i
end

#index ⇒ Object 



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# File 'lib/columbus3/v900track/v900waypoint.rb', line 9

def index
  @row["INDEX"].to_i
end

#lat ⇒ Object 



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# File 'lib/columbus3/v900track/v900waypoint.rb', line 30

def lat
  value = @row["LATITUDE N/S"]
  value.match(/(N|E)/) ? value[0..-2].to_f : -1 * value[0..-2].to_f
end

#lat_lon ⇒ Object

return an array with lat and lon: [lat, lon]



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# File 'lib/columbus3/v900track/v900waypoint.rb', line 36

def lat_lon
  [lat, lon]
end

#lon ⇒ Object 



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# File 'lib/columbus3/v900track/v900waypoint.rb', line 25

def lon
  value = @row["LONGITUDE E/W"]
  value.match(/(N|E)/) ? value[0..-2].to_f : -1 * value[0..-2].to_f
end

#lon_lat ⇒ Object

… and since many prefer the other way around ..



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# File 'lib/columbus3/v900track/v900waypoint.rb', line 41

def lon_lat
  [lon, lat]
end

#speed ⇒ Object 



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# File 'lib/columbus3/v900track/v900waypoint.rb', line 49

def speed
  @row["SPEED"].to_i
end

#tag ⇒ Object 



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# File 'lib/columbus3/v900track/v900waypoint.rb', line 13

def tag
  @row["TAG"]
end

#time ⇒ Object 



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# File 'lib/columbus3/v900track/v900waypoint.rb', line 17

def time
  date = @row["DATE"]
  time = @row["TIME"]
  # make sure it is understood as ZULU time (UTC) and pad time to six numbers 75858 -> 075858
  # http://stackoverflow.com/questions/1543171/how-can-i-output-leading-zeros-in-ruby
  Time.parse("#{date}T" + time.to_s.rjust(6, "0") + "Z") 
end

#to_s ⇒ Object 



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# File 'lib/columbus3/v900track/v900waypoint.rb', line 57

def to_s
  "#{@row["INDEX"]},T,#{@row["DATE"]},#{@row["TIME"]},#{@row["LATITUDE N/S"]},#{@row["LONGITUDE E/W"]},#{@row["HEIGHT"]},#{@row["SPEED"]},#{@row["HEADING"]},0"
end