Class: DataPoint

Inherits:
Object
  • Object
show all
Defined in:
lib/technical_graph/data_point.rb

Class Method Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(h = { :x => 0, :y => 0 }) ⇒ DataPoint

Returns a new instance of DataPoint.



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# File 'lib/technical_graph/data_point.rb', line 3

def initialize(h={ :x => 0, :y => 0 })
  if h.kind_of? Hash
    @x = h[:x]
    @y = h[:y]
  end
  if h.kind_of? DataPoint
    @x = h.x
    @y = h.y
  end
end

Class Method Details

.xy(_x, _y) ⇒ Object 



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# File 'lib/technical_graph/data_point.rb', line 14

def self.xy(_x, _y)
  DataPoint.new({ :x=>_x, :y=>_y })
end

Instance Method Details

#x ⇒ Object 



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# File 'lib/technical_graph/data_point.rb', line 26

def x
  @x
end

#x=(_x) ⇒ Object 



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# File 'lib/technical_graph/data_point.rb', line 34

def x=(_x)
  @x = _x
end

#x_distance(other_dp) ⇒ Object 



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# File 'lib/technical_graph/data_point.rb', line 18

def x_distance(other_dp)
  return (self.x - other_dp.x).abs
end

#y ⇒ Object 



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# File 'lib/technical_graph/data_point.rb', line 30

def y
  @y
end

#y=(_y) ⇒ Object 



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# File 'lib/technical_graph/data_point.rb', line 38

def y=(_y)
  @y = _y
end

#y_distance(other_dp) ⇒ Object 



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# File 'lib/technical_graph/data_point.rb', line 22

def y_distance(other_dp)
  return (self.y - other_dp.y).abs
end