3 subactivities group but they are not be separated by any break

[shekting]

Hi, In our school, there are 9 lessons on 1 day. There is a break per each 3 lesson slot. There are 3 subactivities from different classes but need to be held on 3 consecutive lessons. They cannot be seperated by any break. The order can be ignored.  How should I set?

[Liviu Lalescu]

I think there are two solutions:

1) Remove the break constraint and add for each teacher and students set a constraint not available where there is a real break. FET will not "see" these as breaks and will not allow the activities to span over them. Disadvantage: possibly many constraints to add.

2) A customization of FET made just for you.

[Volker Dirr]

Maybe you can use solution 3:

Remove the break hours. So remove that hours in FET -> Data -> Days and hours -> Hours per Week.

[Liviu Lalescu]

Maybe you can use solution 3:

Remove the break hours. So remove that hours in FET -> Data -> Days and hours -> Hours per Week.

No, Volker, this is exactly what shekting wants to avoid.

[shekting]

See, thanks a lot. If I use method 1, but I have set all constraints of the Timetable, will it affect the constraints? Eg, I have set many constraints that activities prefer hour.

[Matsumoto]

If you removed the break and in it's place used the "not available" constraint, I believe it will not affect your "prefer hour" constraints (only if you include or remove hours in the "Days and Hours" menu).

[Liviu Lalescu]

Yes, as Matsumoto says, it is the same if you use a constraint break or more constraints not available.