Bug 212291 SWT Chart render engine always uses 96 DPI(Display) resolution
chart/org.eclipse.birt.chart.engine/src/org/eclipse/birt/chart/computation/withaxes/PlotWithAxes.java
return IConstants.TWO_D;
			case ChartDimension.TWO_DIMENSIONAL_WITH_DEPTH :
				return IConstants.TWO_5_D;
			case ChartDimension.THREE_DIMENSIONAL :
				return IConstants.THREE_D;
		}
		return IConstants.UNDEFINED;
	}
	/**
	 * Converts to internal (non public-model) data structures
	 * 
	 * @param ax
	 * @return
	 */
	protected static final int getAxisType( Axis ax )
	{
		int iAxisType = UNDEFINED;
		final AxisType at = ax.getType( );
		switch ( at.getValue( ) )
		{
			case AxisType.LINEAR :
				iAxisType = NUMERICAL | LINEAR;
				break;
			case AxisType.LOGARITHMIC :
				iAxisType = NUMERICAL | LOGARITHMIC;
				break;
			case AxisType.TEXT :
				iAxisType = TEXT;
				break;
			case AxisType.DATE_TIME :