Bug 214197 [Regression] Auto scale does not work correctly [13]
chart/org.eclipse.birt.chart.engine/src/org/eclipse/birt/chart/computation/withaxes/AutoScale.java
String sText;
			NumberDataElement nde = NumberDataElementImpl.create( 0 );
			DecimalFormat df = null;
			for ( int i = 0; i < da.size( ) - 1; i++ )
			{
				nde.setValue( dAxisValue );
				if ( fs == null )
				{
					df = computeDecimalFormat( dAxisValue, dAxisStep );
				}
				try
				{
					sText = ValueFormatter.format( nde,
							fs,
							rtc.getULocale( ),
							df );
				}
				catch ( ChartException dfex )
				{
					logger.log( dfex );
					sText = NULL_STRING;
				}
				if ( iLabelLocation == ABOVE || iLabelLocation == BELOW )
				{
					x = da.getCoordinate( i ) * dZoomFactor;
				}
				else if ( iLabelLocation == LEFT || iLabelLocation == RIGHT )
				{
					y = da.getCoordinate( i ) * dZoomFactor;
				}