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
double[] xArray = new double[points.length];
			double[] yArray = new double[points.length];
			for ( int i = 0; i < xArray.length; i++ )
			{
				xArray[i] = points[i].getX( );
				yArray[i] = points[i].getY( );
			}
			sort( xArray, yArray, !isTransposed );
			double[] baseArray = xArray, orthogonalArray = yArray;
			if ( isTransposed )
			{
				baseArray = yArray;
				orthogonalArray = xArray;
			}
			FittingCalculator fc = new FittingCalculator( baseArray,
					orthogonalArray,
					0.33 );
			double[] fitYarray = fc.getFittedValue( );
			orthogonalArray = fitYarray;
			if ( isTransposed )
			{
				baseArray = fitYarray;
				orthogonalArray = yArray;
				sort( baseArray, orthogonalArray, false );
			}
			if ( curve.getLineAttributes( ).getColor( ) != null )
			{
				CurveRenderer crdr = new CurveRenderer( (ChartWithAxes) getModel( ),
						this,
						curve.getLineAttributes( ),