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
if ( ( dsi.getDataType( ) & NUMERICAL ) == NUMERICAL )
		{
			if ( ( iType & DATE_TIME ) == DATE_TIME )
			{
				throw new ChartException( ChartEnginePlugin.ID,
						ChartException.DATA_SET,
						"exception.numerical.data.datetime.axis",  
						Messages.getResourceBundle( rtc.getULocale( ) ) );
			}
		}
		if ( ( dsi.getDataType( ) & DATE_TIME ) == DATE_TIME )
		{
			if ( ( iType & LINEAR ) == LINEAR
					|| ( iType & LOGARITHMIC ) == LOGARITHMIC )
			{
				throw new ChartException( ChartEnginePlugin.ID,
						ChartException.DATA_SET,
						"exception.datetime.data.numerical.axis",  
						Messages.getResourceBundle( rtc.getULocale( ) ) );
			}
		}
		
		dsi.reverse( cwa.isReverseCategory( ) );
		return dsi;
	}
	/**
	 * Converts to internal (non public-model) data structures and transposes
	 * value if needed
	 * 
	 * @param iBaseOrOrthogonal