@Override public void addLogMarker(LogMarker e) { if (combinedPlot != null) { for (Object plot : combinedPlot.getSubplots()) { ValueMarker vm = new ValueMarker(e.getTimestamp() - localTimeOffset); vm.setLabel(e.getLabel()); ((org.jfree.chart.plot.XYPlot) plot).addDomainMarker(vm); } } }