When you manually schedule or reschedule an activity,calculates, then indicates in the timetable area, the suitableness of each valid start time. The suitableness of a start time is indicated by a green bar within the corresponding timetable cell. The green bars can help you to choose the best start time for the activity.
The calculation considers the soft constraints that are applied to items. For example, a member of staff might have a strong preference for teaching at particular times, and there may be a strong institutional preference for concentrating teaching between certain hours. The calculation also takes the
The green bars indicate the relative suitableness of the valid start times. The times that have the highest score are indicated by a full height bar; the times that have the lowest score have no bar. The height of the bar for any other valid time indicates its score as a proportion of the highest score; a higher bar indicates a more suitable start time.