Quicker way to keep sections on same day?

Started by metherington, May 12, 2021, 04:26:21 PM

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metherington

I'm able to add an activities same day constraint but it takes a long time to go through every activity and add this. Is there a quicker (global) option?

i.e. Math classes happen 9 out of 10 days, 3 sections each (Math A, Math B, Math C). I want to have all three sections on the same day and not split between days.

Thanks for any tips you can share!

Matthew

Liviu Lalescu

Hello,

There is no such automatic option. I am not sure I understand correctly, but if you mean to add automatically such constraints for some activities based on their subject+students with a single click, it should be possible. I do not see the necessity of adding such an option for the official FET, but I could help you with a customized version.

metherington

OK thanks. Here is an example of what I mean:

https://docs.google.com/document/d/1tGgey1EfzSS3V16SPTirCN-IVeXWGMVB6HC49dsFKT4/edit?usp=sharing

I would think this might be a common need?

Thanks for the program - I've been using it for years now!

Liviu Lalescu

#3
I understand.

An interesting trick for you would be to add a dummy teacher T to all the 9 activities and a constraint to him, max 3 days per week (and maybe min 3?).

I need a way to distinguish the constraints/activities we need to add. An automatic way, so that we can add them with a single click. Maybe you could send me your input file.

I would propose you a custom version for now and see the impact it has. I still consider it is an unusual feature.

Thank you for the appreciation! You could help by spreading the word about it and benevolently donating, if possible.