Bug 212291 SWT Chart render engine always uses 96 DPI(Display) resolution
chart/org.eclipse.birt.chart.engine/src/org/eclipse/birt/chart/render/AxesRenderer.java
* @param height
	 */
	private double getFitYPosition( double[] xa, double[] ya, int align,
			double width, double height, boolean above )
	{
		int gap = 10;
		double rt = 0;
		if ( align == IConstants.LEFT )
		{
			rt = ya[0];
		}
		else if ( align == IConstants.RIGHT )
		{
			rt = ya[ya.length - 1];
		}
		else
		{
			if ( ya.length % 2 == 1 )
			{
				rt = ya[ya.length / 2];
			}
			else
			{
				int x = ya.length / 2;
				rt = ( ya[x] + ya[x - 1] ) / 2;
			}
		}
		return above ? ( rt - height - gap ) : ( rt + gap );
	}
	/**