parameters: (self, start, end)
docstring: ! Initializer 
          @param self this object
          @param start start
          @param end end
          @return none
docstring_summary: ! Initializer
docstring_tokens: ! Initializer
function: def __init__(self, start, end):
          """! Initializer 
          @param self this object
          @param start start
          @param end end
          @return none
          """
          self.__start = float(start)
          self.__end = float(end)
          self.__mid_scale = ScaleRenderer()
          self.__mid_scale.set_top()
          self.__bot_scale = ScaleRenderer()
          self.__bot_scale.set_bounds(start, end)
          self.__bot_scale.set_bot()
          self.__width = 1
          self.__height = 1
function_tokens: def __init__ ( self , start , end ) : self . __start = float ( start ) self . __end = float ( end ) self . __mid_scale = ScaleRenderer ( ) self . __mid_scale . set_top ( ) self . __bot_scale = ScaleRenderer ( ) self . __bot_scale . set_bounds ( start , end ) self . __bot_scale . set_bot ( ) self . __width = 1 self . __height = 1