protected boolean visibleInOverview(VisualizationTask task){
  if (single) {
    return task.visible && !task.hasAnyFlags(VisualizationTask.FLAG_NO_EMBED);
  }
  return task.visible && !task.hasAnyFlags(VisualizationTask.FLAG_NO_THUMBNAIL);
}

protected boolean visibleInOverview ( VisualizationTask task ) { if ( single ) { return task . visible && ! task . hasAnyFlags ( VisualizationTask . FLAG_NO_EMBED ) ; } return task . visible && ! task . hasAnyFlags ( VisualizationTask . FLAG_NO_THUMBNAIL ) ; }
test whether a task should be displayed in the overview plot .
