Bug 314190 The outline works differently for scatter chart and line chart when the series palette use Pattern [13]
chart/org.eclipse.birt.chart.engine.extension/src/org/eclipse/birt/chart/extension/render/Scatter.java
fPaletteEntry = FillUtil.getPaletteFill( elPalette,
					iThisSeriesIndex );
			updateTranslucency( fPaletteEntry, ss );
		}
		boolean isCategoryAxis = srh.isCategoryScale( );
		for ( int i = 0; i < dpha.length; i++ )
		{
			double unitSize = dpha[i].getSize( );
			lo = dpha[i].getLocation( );
			if ( cwa.isTransposed( ) )
			{
				faX[i] = lo.getX( );
				faY[i] = lo.getY( ) + ( isCategoryAxis ? ( unitSize / 2 ) : 0 );
			}
			else
			{
				faX[i] = lo.getX( ) + ( isCategoryAxis ? ( unitSize / 2 ) : 0 );
				faY[i] = lo.getY( );
			}
		}
		
		handleOutsideDataPoints( ipr, srh, faX, faY, false );
		if ( ss.isCurve( ) )
		{
			CurveRenderer cr = new CurveRenderer( cwa,
					this,
					ss.getLineAttributes( ),
					goFactory.createLocations( faX, faY ),
					false,
					-1,