Method: CoordinateSystem#original

Defined in:
lib/coordinate_system.rb

#original(onscreen_point) ⇒ Object 



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# File 'lib/coordinate_system.rb', line 87

def original(onscreen_point)
  p1 = @standard_transform.inverse * onscreen_point
  o = @basis_matrix.inverse* p1
  {:x => o[0][0], :y => o[1][0]}
end