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Messages - Volker Dirr

General Stuff / Re: Anable splite
July 04, 2024, 01:43:43 PM
About your first post:
Instead of deleting you can do this trick:
Just set an sub(activity) to "inactive". (Yes, this trick works only if you want to decrease. It doesn't work if you want to increase).

I don't understand your second post. Can you please explain more detailed?
Let's assume you have got an activity split into 1+1+1+1.
So there are 4 sub activities.
If you add a constraint with "component number 1", then this constraint will only affect the first sub activity, but not the 3 other ones.

About the second question: If you have only activities with duration 1, then there is no difference.
If you have activities with duration 2, then there is a difference.

For example: You allow only the first hour. All other hours are not allowed.
If you do that with "preferred time slots", then it is impossible to place an activity with duration 2.
If you do the same with "preferred starting times", then it is allowed to place activities with duration 2 (or more) in the first hour.
use an activity that is split into 2+2+1+1 with 100% weight.
Then there are a lof of different preferred time constraint possible.
Impossible to say witch one is the "best" in your case, since I don't know your data set.
maybe us constraint prefered time slots for subactivities with duration 2.
Get Help / Re: Cannot create FET Export
June 29, 2024, 09:58:54 AM
I uploaded new versions for Linux and MacOS.
They save in the home directory now by default.
If it still fails, please choose the directory yourself (StElTo -> Export -> Select Export Directory)
Please let me know if it works fine now.
You can get the latest version here:
I think other guys suggested similar already.

I guess an other variant might be better:
It should only select all teacher that teach a subject (optional in a special year).
By that will have a big advantage:
You don't need to manually create those groups because it can be calculated automatically.) and it will be always up to date. Especially since not all teachers always teach all subjects that they can teach.
On the other hand i am not sure if it is useful to implement this into FET, since there are at most schools so many variants possible, that it will be impossible to place them all. Most school that I know only have 1 or 2 periods in the afternoon for those meetings. And it is not too critical if they are conflicting, since many school do this meetings not every week.
A other grouping is also interesting: Select all teachers of a students set. Also that meetings are sometimes needed. But it will be also bad to add them all into a timetable with students activities. I know that meetings only in the last holiday week. So teachers meet in those groups, but students still have holiday. So that is an independent timetable. Or it is used for credentials or if a class council is needed. But that are in fact normally also only needed rarely and it is impossible to place all variants into a timetable at the same time with students activities.
I think it is useful in TiTiTo, since you plan this only rarely.
I wrote it on my TODO, but i fear it will take some time to code it, since I have other stuff on my TODO list also. Only if a TiTiTo user need this feature fast I will try to code it earlier.

Get Help / Re: Cannot create FET Export
June 27, 2024, 01:36:56 PM
Thank you for report. I fear it tries to Export into the dmg file.
I will try to fix that.
Currently you can only do a workaround by unchecking the FET Export. So you can see the results in text form, but sadly without export.
I will try to fix that. I hope i can solve it fast. Please recheck the forum in 2 days again.
Snapshots / Re: FET-6.22.1 snapshot available
June 25, 2024, 08:30:47 PM
Yes, looks nice. Let's talk by email some more again.
hmm... Yes, should be possible, but a lot of work.
I fear we sadly need to read/check the whole data before writing it. It is impossible to get the information "on the fly" while writing the timetable. (So it mean in worst case the speed will be 2 times slower while printing/exporting data).
We also need to care about all places where we use colspan in the table head, since it must be reduced by the hidden number of columns.
I am busy today and tomorrow. I will have a closer look on Wednesday.
Snapshots / Re: FET-6.22.1 snapshot available
June 22, 2024, 01:11:23 PM
Snapshots / Re: FET-6.22.1 snapshot available
June 22, 2024, 01:11:10 PM
Snapshots / Re: FET-6.22.1 snapshot available
June 21, 2024, 11:39:20 PM
Suggestions / Re: possible to reverse the axes
June 21, 2024, 11:39:11 PM