Class: GlobalConvert::Location

Inherits:
Object
  • Object
show all
Defined in:
lib/global_convert/location.rb

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(args = {}) ⇒ Location

Returns a new instance of Location.



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# File 'lib/global_convert/location.rb', line 5

def initialize(args = {})
  @input_projection_name = args[:input][:projection]
  @output_projection_name = args[:output][:projection]
  @input_lon = args[:input][:lon]
  @input_lat = args[:input][:lat]
end

Instance Attribute Details

#input_lat ⇒ Object (readonly)

Returns the value of attribute input_lat.



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# File 'lib/global_convert/location.rb', line 3

def input_lat
  @input_lat
end

#input_lon ⇒ Object (readonly)

Returns the value of attribute input_lon.



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# File 'lib/global_convert/location.rb', line 3

def input_lon
  @input_lon
end

#input_projection_name ⇒ Object (readonly)

Returns the value of attribute input_projection_name.



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# File 'lib/global_convert/location.rb', line 3

def input_projection_name
  @input_projection_name
end

#output_projection_name ⇒ Object (readonly)

Returns the value of attribute output_projection_name.



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# File 'lib/global_convert/location.rb', line 3

def output_projection_name
  @output_projection_name
end

Instance Method Details

#input_point ⇒ Object 



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# File 'lib/global_convert/location.rb', line 28

def input_point
  @point ||= Proj4::Point.new(input_lon, input_lat)
end

#input_projection ⇒ Object 



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# File 'lib/global_convert/location.rb', line 20

def input_projection
  @input_projection ||= Projection.new input_projection_name
end

#lat ⇒ Object 



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# File 'lib/global_convert/location.rb', line 12

def lat
  output_point.lat
end

#lon ⇒ Object 



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# File 'lib/global_convert/location.rb', line 16

def lon
  output_point.lon
end

#output_point ⇒ Object 



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# File 'lib/global_convert/location.rb', line 32

def output_point
  @outpoint_point ||= input_projection.transform(output_projection, input_point)
end

#output_projection ⇒ Object 



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# File 'lib/global_convert/location.rb', line 24

def output_projection
  @output_projection ||= Projection.new output_projection_name
end