Bug 188029 Top face is missing in Area chart of 2D+ with negative values
Top face is missing in Area chart of 2D+ with negative values. Please see attached screenshot.
chart/org.eclipse.birt.chart.engine/src/org/eclipse/birt/chart/computation/withaxes/AxisSubUnit.java
public final double getValueMax( )
	{
		return dValueMax;
	}
	/**
	 * @param dValueMax
	 *            The valueMax to set.
	 */
	public final void setValueMax( double dValueMax )
	{
		this.dValueMax = dValueMax;
	}
	/**
	 * @return Returns the valueMin.
	 */
	public final double getValueMin( )
	{
		return dValueMin;
	}
	/**
	 * @param dValueMin
	 *            The valueMin to set.
	 */
	public final void setValueMin( double dValueMin )
	{
		this.dValueMin = dValueMin;
	}
	/**
	 * 
	 * @param dPositiveTotal