Last Modified
2013-09-15 03:27:36 +0000
Requires

Description

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