time = ltt_time_sub(raw_data->time, event_viewer_data->time_span.startTime);
event_viewer_data->vadjust_c->value = ltt_time_to_double(time) * NANOSECONDS_PER_SECOND;
g_signal_stop_emission_by_name(G_OBJECT(event_viewer_data->vadjust_c), "value-changed");
time = ltt_time_sub(raw_data->time, event_viewer_data->time_span.startTime);
event_viewer_data->vadjust_c->value = ltt_time_to_double(time) * NANOSECONDS_PER_SECOND;
g_signal_stop_emission_by_name(G_OBJECT(event_viewer_data->vadjust_c), "value-changed");