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, i );
					}
					else
					{
						fPaletteEntry = FillUtil.getPaletteFill( elPalette,
								iThisSeriesIndex );
					}
					updateTranslucency( fPaletteEntry, ss );
					ScriptHandler.callFunction( sh,
							ScriptHandler.BEFORE_DRAW_ELEMENT,
							dpha[i],
							fPaletteEntry );
					ScriptHandler.callFunction( sh,
							ScriptHandler.BEFORE_DRAW_DATA_POINT,
							dpha[i],
							fPaletteEntry,
							getRunTimeContext( ).getScriptContext( ) );
					getRunTimeContext( ).notifyStructureChange( IStructureDefinitionListener.BEFORE_DRAW_ELEMENT,
							dpha[i] );
					getRunTimeContext( ).notifyStructureChange( IStructureDefinitionListener.BEFORE_DRAW_DATA_POINT,
							dpha[i] );
					renderMarker( ss,
							ipr,
							m,
							goFactory.createLocation( faX[i], faY[i] ),
							ss.getLineAttributes( ),
							fPaletteEntry,
							dpha[i],
							null,
							true,