bar_conversion.rb

Path: lib/gruff/bar_conversion.rb
Last Update: Thu Apr 18 04:06:17 +0000 2013

Original Author: David Stokar

      This class perfoms the y coordinats conversion for the bar class.

      There are three cases:

  1. Bars all go from zero in positive direction
              2. Bars all go from zero to negative direction
              3. Bars either go from zero to positive or from zero to negative

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