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ChangeLog
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Versions 0.1 - 0.57 - Liviu Lalescu
- Versions 0.1 - 0.57 - no user interface, plenty of bugs.
-------------------------------------------------------------------------------
Versions 1.0 - 1.17 - Liviu Lalescu
- Version 1 and above - added text menu.
- Version 1.5 and above - added Qt GUI.
- Version 1.8 and above - removed the text menu :-)
- Version 1.12 - used valgrind to track down an annoying crashing bug. Thanks!
This was not the only time I used valgrind to hunt for bugs
-------------------------------------------------------------------------------
Versions 2.0 - 2.6 - Liviu Lalescu
- Version 2.0 and above - better Qt GUI.
- Version 2.1
- Version 2.2
- Version 2.3 - added conflicts reporting.
- Version 2.4 - made a separate list for subjects (not depending on teacher).
- Version 2.5 - crash bugs fixed.
- Version 2.6 - crash bugs fixed.
-------------------------------------------------------------------------------
Versions 2.7.0 - 2.7.8 - Liviu Lalescu
- Version 2.7.0 - added CHRActivitiesNotSameDay;
- added split activities (for high-schools);
- changed numbering of the versions (Carsten's suggestion).
- Version 2.7.1 - added CHRTeachersNoMoreThanXHoursContinuously.
- Version 2.7.2 - implemented menu item Timetable/Show(teachers) (shows the the timetable for a certain teacher).
- Version 2.7.3 - user can change the number of hours and days;
- list of activities - fixed bug in the interface.
- Version 2.7.4 - improved the add custom hard restriction and add custom soft restriction dialogs;
- allowing to split an activity in two ways: daily exclusion or no daily exclusion;
- added CHRTeachersSubgroupsNoMoreThanXHoursDaily (no teacher can teach to a subgroup more than x hours daily) - to be checked thoroughly;
- added the possibility to record a position of the simulation on the hard disk and the subsequent retrieval.
- Version 2.7.5 - bug fixes in activities form.
- Version 2.7.6 - bug fix in load recorded position.
- Version 2.7.7 - small bug fixes.
- the main engine, interface and intermediate objects are now placed in separated directories
- Version 2.7.8 - small improvement in students view timetable form
- now, the user can click on the table to see details about the activity
-------------------------------------------------------------------------------
Versions 2.8.0 - 2.8.5 - Liviu Lalescu
- Version 2.8.0 - bug fixes
- added CSRActivityPreferredTime (user may specify for each activity a preferred
time) - (suggested by Sajith V. K.)
- Version 2.8.1 - bug fixes
- Version 2.8.2 - added CHRActivitiesSameTime (idea by Sajith V. K., to handle activities
having more teachers or more groups from different years. This can be done
using dummy groups or dummy teachers).
- increased the number of split activities to 8 in the GUI.
- now, any unallocated activity has weight 10000.
- Version 2.8.3 - bug fix - GUI restriction CHRTeacher(Year, Group, Subgroup)NotAvailable
corrected, by enabling the day and hour.
- Version 2.8.4 - small changes in the interface.
- Version 2.8.5 - changed the name to FET (or fet)
- added break periods (with CHRBreak)
-------------------------------------------------------------------------------
Versions 2.9.0 - 2.9.6 - Liviu Lalescu
- Version 2.9.0 - bug fix in ConstraintStudentsYearNotAvailable
- changed Restriction into Constraint, now you can implement any constraint
as compulsory or not
- Version 2.9.1 - small crash bug fixed (when erasing a year and pressing Cancel)
- added ConstraintActivitiesNotSameTime
- Version 2.9.2 - bug fix when reading constraints (thanks to Ian Fantom, Marc Falcon)
- Version 2.9.3 - bug fix when reading constraints (thanks to Michael Towers)
- Version 2.9.4 - lots of bug fixes (thanks to Michael Towers)
- Version 2.9.5 - bug fix, new activity is added with correct index
- Version 2.9.6 - bug fixes
-------------------------------------------------------------------------------
- Version 2.10.0 - Liviu Lalescu
- bug fixes (maybe added a few new ones :-)
- FET now uses QString, QValueStack, QDomDocument, QFile and QTextStream classes
(Imre Nagy's suggestion).
-------------------------------------------------------------------------------
- Version 3.0.0 pre1 - Liviu Lalescu
- activities list is now a qt list (QPtrList)
- constraints list is now a qt list (QPtrList)
- bug fixes
- max hours per week is now short integer (instead of char)
- removed population initialization method from the ini file and added it
into the GUI
- made the simulation somewhat faster, by getting rid of function realTimes(i)
- Version 3.0.0 pre2 - Liviu Lalescu
- subjects, teachers, students are now QPtrList.
- the file open/saveas dialog now open in working directory
- Version 3.0.0 pre3 - Liviu Lalescu
- improved speed by modifying a bit the fitness calculation.
- Version 3.0.0 pre4 - Liviu Lalescu
- improved structure of the output xml files
- began working at space allocation
-------------------------------------------------------------------------------
Versions 3.1.0 - 3.1.4 - Liviu Lalescu
- Version 3.1.0
- now the years and groups can have overlapping subgroups (uff)
- the activities support more than one set of students (year, group or subgroup)
- Version 3.1.1
- improved speed (instead of 9 seconds, I get now 7 seconds on a test), by
reducing redundant computations for teachers and students conflicts
- Version 3.1.2
- space (room) allocation (sigh of relief)
- Version 3.1.3
- fixed bug when reading ConstraintBreak
- leak bug fixed, thanks to Valgrind (duplicated constraints were not deleted
if Rules::addTimeConstraint returned false)
- bug fix: adding/removing constraints and reading input files resets
variable Rules::internalStructureComputed to false
- corrected ConstraintStudentsEarly
- Version 3.1.4
- improved (very little) ConstraintActivitiesNotSameDay
- fixed activity bug: comparing 2 activities for equality now works
- now the user can see whether the activities have daily exclusion or not
-------------------------------------------------------------------------------
Versions 3.2.0 - 3.2.9 - Liviu Lalescu
- Version 3.2.0
- changed the GUI: the user can see all constituent activities and constraints
- saving now even basic constraints
- the GUI now has filters when viewing constraints and activities
- Version 3.2.2
- fixed compilation issue
- Version 3.2.3
- corrected small bug in ConstraintActivitiesSameTime and
ConstraintActivitiesNotSameTime
- ConstraintActivitiesSameTime now works much better for compulsory constraints.
I considered that it is better to repair each chromosome so that all
the compulsory constraints of this type are fulfilled, before evaluating it.
This change was suggested by an input data file from Ian Fantom,
which contained a lot of this constraints and the old version was failing
lamentably.
- Version 3.2.4
- began internalization (using qtranslator)
- began Romanian translation
- Version 3.2.5
- small bug fix
- improved internalization
- improved Romanian translation
- Version 3.2.6
- now, compulsory ConstraintActivityPreferredTime is implemented better
(as a repairing of the choromosome).
- improved speed by avoiding two passes through the internal constraints list
when computing hard and soft fitness (compulsory or non-compulsory conflicts)
- Version 3.2.7
- Added a FAQ
- Version 3.2.8
- Made the simulation faster (very little) by getting rid of the logging part
- Version 3.2.9
- bug fix in ConstraintActivityPreferredTime (thanks to Michael Towers)
-------------------------------------------------------------------------------
Versions 3.3.0 - 3.3.1 - Liviu Lalescu
- Version 3.3.0
- small bug fixes in the interface
- Version 3.3.1
- bug fix when reading ConstraintStudentsNotAvailable
-------------------------------------------------------------------------------
Versions 3.4.0 - 3.4.8 - Liviu Lalescu
- Version 3.4.0 (pre1 and pre2)
- Each activity supports several teachers (3, but this can be easily extended)
- Now, the default population size is 2048 (Michael Towers's suggestion).
- Bug fixes in ConstraintTeachersNoMoreThanXHoursContinuously
- Changed ConstraintStudentsNotAvailable into ConstraintStudentsSetNotAvailable
changed ConstraintActivitiesSameTime into ConstraintActivitiesSameStartingTime
changed ConstraintActivitiesNotSameTime into ConstraintActivitiesNotOverlapping
changed ConstraintStudentsNoWindows into ConstraintStudentsNoGaps
changed ConstraintTeachersNoWindows into ConstraintTeachersNoGaps
changed ConstraintStudentsNotTooMuch into ConstraintStudentsMaxDaysLength
- Version 3.4.1 (pre1 and pre2)
- Improvements in constraints names
- New constraints
- Version 3.4.2
- Improvements in constraints names
- New constraints
- Version 3.4.3
- Small bug fix in ConstraintStudentsSetNHoursDaily (thanks to Michael Towers)
- Version 3.4.4
- Made the simulation somewhat faster, by avoiding an unnecessary sorting
when the evolution method is three-tournament selection
- Version 3.4.5
- Addings in FAQ
- Modified the parameters of the genetic algorithm and now FET can deal better
with broken ConstraintNoGaps (students or teachers).
- Version 3.4.6
- The user can now modify the population number from the interface
- The default population size is now 8192
- Version 3.4.7
- Bug fix, crashing when logging ConstraintStudentsEarly
- Version 3.4.8
- FET allows now to use two ConstraintMinNDaysBetweenActivities for the same activities
-------------------------------------------------------------------------------
Versions 3.5.0 - 3.5.4 - Liviu Lalescu
- Version 3.5.0
- Added ConstraintActivityPreferredTimes (suggested by Michael Towers)
- Added ConstraintStudentsSetIntervalMaxDaysPerWeek (suggested by Simon Getti)
- Added ConstraintActivityEndsDay (suggested by Michael Towers)
- Version 3.5.1
- Added an interface to ConstraintActivityPreferredTimes
- Version 3.5.2
- Bug fix in selecting the first or second best out of three chromosomes (3 tournament)
- Version 3.5.3
- Bug fix - the maximum number of teachers is now 200, instead of 100 (thanks to
Gibbon Tamba for reporting this potential bug)
- Version 3.5.4
- When viewing the timetable, it shows the subject for the students and the
students for the teachers (suggested by Sajith V. K.)
--------------------------------------------------------------------------------
Versions 3.6.0 - 3.6.7 - Liviu Lalescu
- Version 3.6.0
- Each room is now represented by name, type and capacity
- Added ConstraintRoomNotAvailable
- Added ConstraintTeachersNoMoreThanXHoursDaily
- Added ConstraintRoomTypeNotAllowedSubjects
- Version 3.6.1
- Improved the days dialog
- Improved the hours dialog and added names for the hours. The file structure
was a bit changed, but you can open older files and save them as new ones.
- Version 3.6.2
- Small bug fixes in the interface
- Version 3.6.3
- Small bug fixes in the interface
- Version 3.6.4
- Small bug fixes in the interface
- Improved add activity dialog
- Version 3.6.5
- The days, hours and add activity dialog are now resizeable
- Version 3.6.6
- Saving of the timetable in xml format is now improved
- Version 3.6.7
- Small bug fixes in the add activity dialog
---------------------------------------------------------------------------------
Versions 3.7.0 - 3.7.2 - Liviu Lalescu
- Version 3.7.0
- Added the number of students for each students set
- The basic space constraints now include the requirement that each room's capacity
must be greater or equal to the number of participating students
- Version 3.7.1
- Small bug fixes
- Version 3.7.2
- ConstraintTeacherMaxDaysPerWeek
- small bug fix in the interface (when adding ConstraintStudentsSetIntervalMaxDaysPerWeek,
the maximum number of days of the spin box is now updated correctly)
---------------------------------------------------------------------------------
Versions 3.8.0 - 3.8.5 - Liviu Lalescu
- Version 3.8.0
- Added equipments list
- Added ConstraintSubjectRequiresEquipment
- Small bug fixes
- Version 3.8.1
- Small bug fixes in the interface
- Version 3.8.2
- Bug fix when reading ConstraintRoomNotAvailable (thanks to Jerome Durand)
- Version 3.8.3
- Doxygen options bug corrected
- Got rid of some compiler warnings
- Version 3.8.4
- Bug fix: Timetable->Allocate rooms->Start/Continue - crashed FET if there was no
previous Initialization (thanks to Marek Jaszuk)
- "Time constraint teacher max days per week broken for teacher:
XY.This increases the conflicts factor with 0" (thanks to Marek Jaszuk)
- Version 3.8.5
- Bug fix - when restoring the internal state (time or space), without previously saving
the internal state, FET crashed (thanks to Marek Jaszuk)
- Improved translation
- Now you can write the timetable after initialization or loading the internal state,
without starting the simulation
---------------------------------------------------------------------------------
Versions 3.9.0 - 3.9.23 - Liviu Lalescu, French translation by Jerome Durand (fetfr@free.fr),
2 conversion scripts by Jerome Durand and Vimal Joseph.
- Version 3.9.0
- Bug fix - medium fitness now is shown correctly (no more negative values). Reported
by Marek Jaszuk.
- Added a file in the "doc/" directory, explaining how to add/improve translations.
- Added Constraint2ActivitiesConsecutive (suggested by Ramanathan Srinivasan).
- Added Constraint2ActivitiesGrouped (suggested by Ramanathan Srinivasan).
- Added ConstraintActivitiesPreferredTimes (suggested by Vimal Joseph).
- Modified a bit the organization of translations.
- Added French translation (by Jerome Durand).
- Bug fix in ConstraintSubjectRequiresEquipments (non-compulsory constraints
were considered compulsory).
- Version 3.9.1
- Small improvement in translations.
- Small improvement in Help/About form.
- Added 2 scripts in the "results/" directory to convert the xml results (Jerome Durand, Vimal Joseph).
- Version 3.9.2
- ConstraintActivitiesSameStartingTime is now separate (in TimeConstraints2) and improved,
that is you can schedule activities in similar blocks (suggested by Ian Fantom).
- Small interface improvements.
- Version 3.9.3
- Bug fix in the add constraint activities same starting time dialog - reported by Ian Fantom
- Version 3.9.4
- In the add activity dialog, added 3 check boxes so that the user can select only years,
groups, subgroups or a combination of these.
- Version 3.9.5
- Improvement of the Help/About form.
- Version 3.9.6
- Improved the Romanian translation and "Timetable/Export" menu.
- Version 3.9.7
- Bug corrected - the program now saves correctly the compulsory argument when working
in another language (suggested by Cristian Gherman).
- Version 3.9.8
- The possibility to add more teachers pe activity (6), by working on the .xml file
(suggested by Cristian Gherman).
- Got rid of old compatibility loading (file rules_compatibility.cpp).
- Version 3.9.9
- Got rid of some "unused variable" compiler warnings.
- Modified a bit the README file.
- Version 3.9.10
- When exiting, the program asks to save the current file (suggested by Nicholas Robinson)
- Added ConstraintTeacherRequiresRoom (suggested by Nicholas Robinson).
- Version 3.9.11
- Improved Romanian translation
- Version 3.9.12
- Version 3.9.13
- Now the fet.ini file is written in the home directory
- Version 3.9.14
- Small bug fix when writing the default ini file
- Version 3.9.15
- Small bug fix when writing the default ini file
- Small bug fix in the conflicts reporting section
- Version 3.9.16
- When viewing the timetable for teachers, shows also the subjects
(suggested by Nicholas Robinson).
- Version 3.9.17
- small doc/FAQ and TODO files modifications.
- small interface improvements.
- Version 3.9.18
- fixed some compilation issues.
- when reading activities with invalid subject, teacher or students, the program does not
crash anymore (thanks to Morten Piil).
- Version 3.9.19
- FET now can deal with translations installed in /usr/share/fet/translations/
(suggested by Radu Spineanu).
- Version 3.9.20
- Moved the directory "results" to "~/.fet/results"
- Version 3.9.21
- The conflicts are now saved in a file ("time_conflicts.txt" and
"space_conflicts.txt") - suggested by Sebastian Canagaratna.
- Now, saving the internal state works correctly in Debian - reported by
Sebastian Canagaratna.
- Version 3.9.22
- The internal state and the exported timetables are now saved in files named after the
.xml input file, to allow multiple simulations (suggested by Sebastian Canagaratna).
- Saving now the timetable in .xml and .html models (suggested by Cristian Gherman).
- Version 3.9.23
- The user can view the timetable (and saving to html works) for students and teachers
showing also the rooms (suggested by Sebastian Canagaratna).
- The space allocation is somewhat faster, by getting rid of the logging part and an
unnecessary sorting.
---------------------------------------------------------------------------------
Versions 3.10.0 - 3.10.5 - Liviu Lalescu
- Version 3.10.0
- Added ConstraintMinimizeNumberOfRoomsForStudents (suggested by Sebastian Canagaratna)
- Version 3.10.1
- Bug fix - ConstraintMinimizeNumberOfRoomsForStudents is now showed correctly.
- Small bug-fixes.
- Improvements in the interface.
- Version 3.10.2
- Improvements in space allocation (now compulsory ConstraintTeacherRequiresRoom
works by repairing)
- Added ConstraintActivityPreferredRoom (suggested by Sebastian Canagaratna)
- Version 3.10.3
- Improvements in the interface (the user can now modify the information about
the students).
- Version 3.10.4
- Improvements in the interface (the user can now modify the information about
the activities).
- Version 3.10.5
- Small bug fix in the interface
---------------------------------------------------------------------------------
Versions 3.11.0 - 3.11.6 - Liviu Lalescu
- Version 3.11.0
- Improved the interface - Data / time constraints
- Version 3.11.1
- Improved the interface (bug fix, improvements)
- Version 3.11.2
- Bug fixes
- Version 3.11.3
- Improvements in the interface (edit equipments, rooms)
- Bug fixes (space constraints)
- Version 3.11.4
- Bug fixes (basic time & space constraints can now be non-compulsory)
- Improved the interface (space constraints)
- Version 3.11.5
- Bug-fixes
- Version 3.11.6
- Improved Romanian translation
---------------------------------------------------------------------------------
Versions 3.12.0 - 3.12.32 - Liviu Lalescu,
French translation by Jerome Durand (fetfr@free.fr),
Catalan translation by Miguel Gea Milvaques,
Malay translation by Abdul Hadi Kamel.
- Version 3.12.0
- The user now has the possibility to choose only one phase allocation
(for difficult space constraints)
- Version 3.12.1
- Improvements in the interface
- Version 3.12.2
- Bug fixes
- Version 3.12.3
- Bug fixes
- Added ConstraintActivitiesSameStartingHour (suggested by Sebastian Canagaratna)
- Version 3.12.4
- Added a field named "subject tag" (suggested by Abdul Hadi Kamel)
- Version 3.12.5
- Bug fixes
- Version 3.12.6
- Small bug fixes in the interface
- Version 3.12.7
- Small improvements in the interface
- Version 3.12.8
- Improved Romanian translation (bug reported by Cristian Gherman)
- Version 3.12.9
- Modified the Help/About and Help/FAQ forms
- Version 3.12.10
- Small improvement in the Help/About form
- Version 3.12.11
- Small improvement in the Help/About form
- Bug fixes (subject tags)
- Version 3.12.12
- Small improvement in the Help/FAQ form
- Version 3.12.13
- Bug fix (constraint subject requires equipments now works correctly)
- Bug fix (reading activities)
- Version 3.12.14
- Modified the constraint subject requires equipments
- Added ConstraintSubjectSubjectTagRequiresEquipments
- Version 3.12.15
- Small bug fixes in the interface
- Version 3.12.16
- Small bug fixes in the interface
- Version 3.12.17
- Improved the Help/About form (included the sponsors tab)
- Added a file named SPONSORS
- Modified the file format (*.fet, and added a <!DOCTYPE FET> tag and so on)
- Added the institution name and comments
- Version 3.12.18
- Small bug fix
- Version 3.12.19
- Small improvements in the interface
- Version 3.12.20
- Small improvements and bug-fixes
- Version 3.12.21
- Small improvements
- The language is now saved in the configuration file
- Version 3.12.22
- Small improvements
- Version 3.12.23
- Small improvement in the Romanian translation
- Updated the French translation (Jerome Durand)
- Version 3.12.24
- Small update in the FAQ
- Version 3.12.25
- The teachers' timetable now contains a subject tag
- Bug fix - when the time constraints are invalid, the user is presented the problem
- reported by Sebastian Canagaratna
- Version 3.12.26
- Small improvement in the interface
- Version 3.12.27
- Small improvement in the interface
- Version 3.12.28
- Small bug fix when renaming a year or group (reported by Hadi Kamel)
- Bug fix when erasing activities
- Version 3.12.29
- Small bug-fixes
- Added ConstraintActivitiesSameRoom and ConstraintActivityPreferredRooms (suggested
by Sebastian Canagaratna)
- Version 3.12.30
- Added Catalan translation (thanks to Miguel Gea Milvaques)
- Version 3.12.31
- The activities dialog now contains a subject tag filter
- Important bug fixes in the constraints same starting time, same starting hour and same room
- Version 3.12.32
- Added Malay translation (thanks to Abdul Hadi Kamel)
---------------------------------------------------------------------------------
Versions 3.13.0 - 3.13.8 - Liviu Lalescu,
- Version 3.13.0
- Added ConstraintSubjectSubjectTagPreferredRoom(s) and ConstraintSubjectPreferredRoom(s)
(suggested by Abdul Hadi Kamel).
- Improved the conflicts reporting for space constraints (now, it keeps track of
the parity).
- Various bug fixes.
- Version 3.13.1
- Small improvement in speed.
- Version 3.13.2
- Small bug fixes.
- Added the possibility to lock activities when viewing the timetable (suggested by Abdul Hadi Kamel).
- Version 3.13.3
- Possibility to fix only time or space (suggested by Abdul Hadi Kamel).
- Small bug-fixes.
- Version 3.13.4
- Small improvement (the program does not crash anymore if there are more activities, constraints, etc.
than the maximum allowed).
- Version 3.13.5
- Version 3.13.6
- Bug fix - memory leakage fixed.
- Version 3.13.7
- Now the selected language has a check mark near it.
- Version 3.13.8
- Small bug fix (when adding a new ConstraintActivityPreferredTime).
---------------------------------------------------------------------------------
Versions 3.14.0 - 3.14.21
- Liviu Lalescu,
- Polish translation by Radoslaw Pasiok,
- Malay translation update by Abdul Hadi Kamel.
- Version 3.14.0
- Now each activity's description includes the directly related constraints.
(suggested by Abdul Hadi Kamel)
- Version 3.14.1
- Bug fix.
- Version 3.14.2
- When quitting, the save file message box has default on "Yes".
- Now, the teachers and subjects form shows also the related constraints.
- Various small bug-fixes.
- Version 3.14.3
- Now, the subject tags form shows also the related constraints.
- Version 3.14.4
- Now, the students sets, rooms and equipments forms show also the related constraints.
- Version 3.14.5
- Small bug fix (when showing related constraints for students sets).
- Version 3.14.6
- Added ConstraintTeachersSubjectTagsMaxHoursContinuously (suggested
by Abdul Hadi-Kamel).
- Version 3.14.7
- Added ConstraintTeachersSubjectTagMaxHoursContinuously (suggested
by Abdul Hadi-Kamel).
- Small bug fix.
- Version 3.14.8
- Bug fix (thanks to Sebastian Canagaratna).
- Version 3.14.9
- MAX_YEARS is now 100.
- Small improvement in the code.
- Version 3.14.10
- Small bug fix.
- Version 3.14.11
- Improved population size dialog.
- Improved the name of 3 constraints
(ConstraintTeachersNoMoreThanXHoursDaily is now ConstraintTeachersMaxHoursDaily,
ConstraintTeachersNoMoreThanXHoursContinuously is now ConstraintTeachersMaxHoursContinuously and
ConstraintTeachersSubgroupsNoMoreThanXHoursDaily is now ConstraintTeachersSubgroupsMaxHoursDaily)
- Version 3.14.12
- Small bug fix and improvement in modify activity dialog
- Version 3.14.13
- Improved "Save as" dialog.
- Version 3.14.14
- Now, special characters <, >, ', " and & are handled correctly in names
(bug reported by Frans de Bruijn)
- Code readability improvement (instead of getXMLDescription, now it is getXmlDescription)
- Version 3.14.15
- Improved ConstraintActivitiesPreferredTimes, to include also a subject tag.
- Bug fix in ConstraintActivitiesPreferredTimes.
- Improvement when saving a ConstraintActivitiesPreferredTimes.
- Version 3.14.16
- Bug fix (when viewing the timetable).
- Version 3.14.17
- Added Polish translation (by Radoslaw Pasiok).
- Version 3.14.18
- Updated Malay translation (by Abdul Hadi Kamel).
- Version 3.14.19
- Bug fix (in ConstraintStudentsSetNotAvailable) - thanks to Daan Huntjens
Corrected with the help of Valgrind.
- Version 3.14.20
- Bug fix in modify constraint activities not overlapping and modify
constraint min n days between activities.
- Version 3.14.21
- Small bug fixes (when showing the conflicts, now the hours are shown properly).
---------------------------------------------------------------------------------
Versions 3.15.0 - 3.15.4
- Liviu Lalescu,
- constraints and constraints subtags help files by Daniel S.
- Version 3.15.0
- When adding or modifying an activity, the dialog contains a list box for teachers and
students, allowing as many as needed (suggested by Dragos Petrascu).
- Changes in the way of viewing the generated timetables (suggested by Scott Sweeting).
- Bug fix: saving the timetables in html and xml corrected to handle special characters
like <, >, & etc.
- Added ConstraintTeacherSubjectRequireRoom (suggested by Scott Sweeting).
- Version 3.15.1
- Clear buttons in AddActivity and ModifyActivity now work correctly.
- Version 3.15.2
- Added help files and help menu for constraints and constraints subtags (by Daniel S).
- Added Constraint2ActivitiesOrdered (suggested by Gianluca Salvo).
- Version 3.15.3
- Time allocation now generates a .html file for students timetable ordered by
students subgroup and days and hours.
- Version 3.15.4
- Bug fix - the interface now only permits MAX_TEACHERS_PER_ACTIVITY (currently 6)
for an activity.
---------------------------------------------------------------------------------
Versions 3.16.0 - 3.16.9
- Liviu Lalescu
- Version 3.16.0
- Added buildings
- Added filters for rooms dialog
- The rooms adding and modifying dialogs are improved
- Version 3.16.1
- Added ConstraintMinimizeBuildingChangesForTeachers (suggested by Dragos Petrascu)
- Added ConstraintMinimizeBuildingChangesForStudents (suggested by Dragos Petrascu)
- Version 3.16.2
- Added ConstraintMaxBuildingChangesPerDayForTeachers (suggested by Dragos Petrascu)
- Added ConstraintMaxBuildingChangesPerDayForStudents (suggested by Dragos Petrascu)
- Version 3.16.3
- Added ConstraintMinimizeNumberOfRoomsForTeachers (suggested by Dragos Petrascu)
- Small bug fixes
- Version 3.16.4
- Removed ConstraintMinimizeBuildingChangesForTeachers and ConstraintMinimizeBuildingChangesForStudents
- Added ConstraintMaxRoomChangesPerDayForTeachers & ConstraintMaxRoomChangesPerDayForStudents
- Version 3.16.5
- The _studentstimetable2.html contains also the teachers (suggested by Daniel Schockett).
- Version 3.16.6
- The activity can now contain maximum 100 teachers (sugested by Dragos Petrascu)
- Version 3.16.7
- Small interface bug fixes in ConstraintMaxRoomChangesPerDay add dialog and modify
dialog (reported by Daan Huntjens).
- Version 3.16.8
- Improved AddConstraintActivitiesSameStartingTime dialog (suggested by Yush Yuen).
- Version 3.16.9
- Bug fix in ConstraintActivityPreferredTime (suggested by Yush Yuen).
- The weight of the constraints can be 0 (suggested by Yush Yuen).
---------------------------------------------------------------------------------
Versions 3.17.0 - 3.17.12
- Liviu Lalescu, Polish translation by Radoslaw Pasiok,
Turkish translation by Mehmet Gezmisoglu,
Dutch translation by Niels Fikse.
- Version 3.17.0
- Small bug fixes.
- The user can now select a list of active activities to build the schedule upon.
- Version 3.17.1
- Improved the saving in .html of the teachers' timetable (suggested
by Sebastian O'Halloran).
- Version 3.17.2
- Improvement in Polish translation (by Radoslaw Pasiok)
- Version 3.17.3
- Improvement in Polish translation (by Radoslaw Pasiok)
- Version 3.17.4
- Improvement in Romanian translation (by Liviu Lalescu)
- Version 3.17.5
- Added a new sample, number 9 (sent by Cristian Gherman)
- Now each generated timetable html file contains an ending tag, mentioning the date
and the time the timetable was generated
- Version 3.17.6
- Improvement: the interface now contains the constraints to minimize the number of
rooms for students and for teachers.
- Improved the sample number 9.
- Version 3.17.7
- Added Turkish translation (by Mehmet Gezmisoglu).
- Version 3.17.8
- Bug fix: renaming or deleting the "results" directory during program operation
is now handled correctly (reported by Tom Hosty).
- Version 3.17.9
- Bug fix: handling ampersand in the hmtl generated timetables (reported by Tom Hosty).
- Version 3.17.10
- Now saving the timetable both in days horizontal and days vertical versions in html files.
(suggested by Tom Hosty).
- Version 3.17.11
- Improvement in conflicts reporting English language: instead of "this increases the
conflicts factor with" we have "this increases the conflicts total by" (reported by
Tom Hosty).
- Version 3.17.12
- Added the e-mails of the translators and changed contact information for Liviu Lalescu.
- Began Dutch translation (by Niels Fikse).
---------------------------------------------------------------------------------
Versions 3.18.0 - 3.18.1
- Liviu Lalescu
- Version 3.18.0
- Added the possibility to export to iCalendar (suggested by Simon Bohlin).
- Version 3.18.1
- Small bug fix.
---------------------------------------------------------------------------------
Versions 4.0.0 - 4.0.9
- Liviu Lalescu,
Polish translation update by Radoslaw Pasiok
- Version 4.0.0
- Changed MY into MS (Malay language).
- Improved the languages menu.
- Improved Polish translation (by Radoslaw Pasiok).
- Bug fix (when pressing the "Write results",FET crashed)
- Began porting to Qt 4
- Improved the threads code in the allocate menus
- Made MAX_SUBGROUPS_PER_GROUP=100 (suggested by Andreas Goranson)
- Version 4.0.1
- Various improvements
- Version 4.0.2
- Changed the list of activities, buildings, equipments, rooms, space constraints,
students years, students groups, students subgroups, subject, subject tag, teachers
and time constraints to be QList, instead of Q3PtrList.
- Small leakages fixed
- Small bug fixes
- Version 4.0.3
- Bug fix - when erasing a year or group, removing now all corresponding constraints
(even those referring to erased groups or subgroups). Crash bug fix - when removing
a year which contained groups with constraints pointing to them (bug prior to 4.0.0)
- Crash bug fix, when opening a file after another containing rooms
(bug introduced in version 4.0.0)
- Version 4.0.4
- Bug fix - updating the generation in timetable allocate menu works correctly
(previously, it updated generation as 1, 3, 5, ...). This was solved by adding
a QSemaphore condition in the allocation thread
- Version 4.0.5
- After pressing Exit, the user can cancel exit.
- Added a check if FET has write access on the local hard disk.
- Now the institution name and comments windows are non-modal.
- Version 4.0.6
- Bug fix - when starting new rules, it does not crash anymore.
- Version 4.0.7
- Changed biweekly into fortnightly (suggested by Tom Hosty).
- Crash bug fix (when modifying an activity). This bug was introduced
in the 4.0 series.
- Version 4.0.8
- Bug fix - after pressing "stop" and "write", the program crashed.
Reported by Pat Siddharta. This was a bug previous to 4.0.0
- Version 4.0.9
- Bug fix - when dealing only with one year or group, the results are now
displayed correctly (bug introduced in 4.0 versions).
---------------------------------------------------------------------------------
Versions 4.1.0 - 4.1.10
- Liviu Lalescu,
- German translation by Volker Dirr
- FAQ improvement by Les Richardson
- Version 4.1.0
- In the Modify Activity Dialog, the "split into..." spin box is now showed correctly
- Added German translation (by Volker Dirr)
- Improved viewing the timetable dialogs (suggested by Volker Dirr). Now the table
column and row description contain the name of the hours and days.
- Version 4.1.1
- In the Modify Activity Dialog, the "split into..." spin box is now shaded,
to show that the modification of it is impossible (suggested by Volker Dirr).
- The default value for "minimum required distance in days between sub-activities"
in the add activity dialog is now 1 (suggested by Volker Dirr).
- The main window title now contains the name of the file (suggested by Volker Dirr).
- The add and modify activity dialogs are improved (suggested by Volker Dirr).
- Now the windows contain maximize/minimize buttons (suggested by Volker Dirr).
- Added teachers, subjects and students statistics (suggested by Volker Dirr).
- Version 4.1.2
- The windows are now centered about the screen.
- Removed unused "pause" buttons in allocation menus.
- Version 4.1.3
- The constraint activity preferred times and constraint activities
preferred times add and modify dialog are improved (suggested by Volker Dirr).
- Version 4.1.4
- Improved dialogs constraint activity preferred time and constraint
activity preferred times, by adding a description next to the
activity id (suggested by Volker Dirr).
- Corrected a small bug in ConstraintStudentsSetIntervalMaxDaysPerWeek
(in reporting conflicts, the subgroup was not correct).
- Added ConstraintTeacherIntervalMaxDaysPerWeek (suggested by
Daan Huntjens).
- Version 4.1.5
- Bug fix - trying to add duplicate constraint activity preferred time
reports now a duplicate instead of "please report error" (reported
by Volker Dirr).
- FAQ improvement by Les Richardson.
- Version 4.1.6
- The number of students can now be set for a particular activity
(suggested by Abdul Hadi Kamel)
- Bug fix - when removing or modifying the students sets for an
activity, the number of students for that activity are modified
accordingly.
- Small bug fixes
- Version 4.1.7
- The default population size is now MAX_POPULATION_SIZE
instead of 8192 (suggested by Volker Dirr).
- Added a description on how to compile/run FET on Max OS X (by Gabi Danon).
- Bug fix, when erasing a year, group or subgroup (reported by Volker Dirr).
This bug was introduced in version 4.1.6.
- Version 4.1.8
- Improved readability and corrected possible future bugs, by adding a
chromosome property called "timeChangedForMatrixCalculation" and
"spaceChangedForMatrixCalculation" (suggested by Volker Dirr).
- The minimum population size in the dialog is now 3
(suggested by Volker Dirr).
- Version 4.1.9
- Possible small bug fix (reported by Volker Dirr).
- Version 4.1.10
- Possible bug fix (reported by Volker Dirr).
---------------------------------------------------------------------------------
Versions 4.2.0 - 4.2.x
- Liviu Lalescu,
- 2-point and uniform crossover implemented and tested by Volker Dirr
- Turkish language update by Mahir Nacar
- French translation update by Patrick Fox
- Macedonian translation by Zoran Zdravkovski
- Version 4.2.0
- Implemented 2-point and uniform crossover, by Mr. Volker Dirr.
The default crossover method is 2-point, which should give better results
than the 1-point crossover.
- Added ConstraintTeachersMinHoursDaily (suggested by Manolo Par).
- Version 4.2.1
- Bug fix - when renaming a students set which is contained in some activities
(reported by Viktor Ferenczi)
- Version 4.2.2
- The statistics dialogs show only active activities (suggested by Volker Dirr)
- Turkish translation update by Mahir Nacar
- Version 4.2.3
- Version 4.2.4
- French translation improved by Patrick Fox.
- Version 4.2.5
- Small interface improvements, the add constraint activity preferred time
and add constraint activity preferred times contains a filter (suggested
by Abdul Hadi Kamel)
- Version 4.2.6
- Small interface improvements, the modify constraint activity preferred time
and modify constraint activity preferred times contains a filter (suggested
by Abdul Hadi Kamel)
- Version 4.2.7
- Added Hungarian translation (incomplete), by Ferenczi Viktor.
- Output files (besides the .fet data file) now handle correctly special
local characters (suggested by Zoran Zdravkovski).
-Add and modify activity dialog now report correctly the current name,
including local characters (reported by Zoran Zdravkovski).
- Version 4.2.8
- Added Macedonian translation (by Zoran Zdravkovski).
- Version 4.2.9
- Small bug fix (reported by Volker Dirr).
- Bug fix - students n hours daily (observed by Liviu Lalescu).
---------------------------------------------------------------------------------
Versions 5.0.0 - 5.0.2
- Liviu Lalescu,
- xhtml form of saving timetables by Volker Dirr (timetabling.de)
- Version 5.0.0-preview1
- new algorithm
- too many changes to mention
- Version 5.0.0-preview2
- Added activities same starting time & hour constraints into time optimization
- Version 5.0.0-preview3
- Added a warning that older files will be converted as follows: min n days
will have weight percentage 95% and adj if broken=true
- Version 5.0.0-preview4
- The students gaps now are measured in hours (a 2 hour gap means 2 conflicts,
not just one as before).
- Improved saving xhtml timetables by Volker Dirr
- Removed the preferred time when adding an activity (useless)
- Removed not important time constraints which do not fit into new algorithm
- Version 5.0.0-preview5
- Improvement in the optimization - optimizetime.cpp
- Version 5.0.0-preview6
- Improvements in the optimization - optimizetime.cpp
- Version 5.0.0-preview7
- Bug fix in ConstraintBreak
- Version 5.0.0-preview8
- Made possible again ConstraintActivitiesNotOverlapping
- Version 5.0.0-preview9
- Raised the limits of max number of activities, constraints,
max activities for each constraint activities not overlapping and others
- Improved the solving of activities not overlapping
- Version 5.0.0-preview10
- Version 5.0.0-preview11
- Improved the algorithm
- Fixed bug for constraint teachers max gaps per week
- Version 5.0.0-preview12
- Crash bug fix
- Version 5.0.0-preview13
- Students set early (suggested by Constantin Romulus)
- Cannot allocate now without basic time constraints (no more crashing otherwise)
(reported by Constantin Romulus)
- Version 5.0.0-preview14
- Romanian language update by Constantin Romulus
- Teacher(s) max hours daily (suggested by Constantin Romulus)
- Students (set) max hours daily (suggested by Constantin Romulus)
- Version 5.0.0-preview15
- Romanian language update by Constantin Romulus and Liviu Lalescu
- Improved html timetables (suggested by L. W. Johnstone)
- Version 5.0.0-preview16
- Crash bug fix in teacher max days per week (reported by Constantin Romulus)
- Version 5.0.0-preview17
- Improvements in add/modify activity dialogs (suggested by Constantin Romulus)
- Improvements in add/modify constraints not overlapping, same starting hour/time,
min n days between activities (suggested by Constantin Romulus).
- Bug fix - when pressing Esc in the allocation of hours.
- Version 5.0.0-preview18
- Very small improvements.
- Version 5.0.0-preview19
- Improments in Romanian translation by Liviu Lalescu.
- Small improvements in interface.
- Version 5.0.0-preview20
- Version 5.0.0-preview21
- Bugs fixed (not observable usually)
- Modified adj if broken to be consecutive if same day for min n days constraint
- Version 5.0.0-preview22
- Bug fix when a single activity cannot be scheduled
- The break is not counted as a gap for teachers and students
- Improvement in optimization, for early and gaps - speed improvement in optimization
- Check for updates on startup
- Version 5.0.0-preview23
- Version 5.0.0-preview24
- Bug fix in saving ConstraintTeacherMaxHoursDaily
- Version 5.0.0-preview25
- Improvement in the optimization algorithm.
- Possible bugs fixes (unlikely to happen bugs).
- Improved Romanian translation.
- Version 5.0.0-preview26
- Improved documentation.
- Version 5.0.0-preview27
- Possible improvement in the optimization algorithm
- Improved saving the xhtml of timetable by Volker Dirr
- Small bug fix
- Version 5.0.0-preview28
- Small changes in saving the xhtml timetables on disk, by Volker Dirr
- Improved the algorithm (maybe speed improvements)
- Version 5.0.0-preview29
- Geometry of main form now saved correctly (suggested by Volker Dirr).
- Version 5.0.0-preview30
- Improvements in optimization algorithm.
- Version 5.0.0
- Can have activities with no teacher or no students set (suggested by Volker Dirr).
- Rooms and space allocation.
- Improved the automatic generation.
- Bug fix in generation (faster now on newer processors?).
- Speed improvement in generation.
- Improved algorithm in minimizing broken constraints min n days between activities.
- Bug fix in constraint activities preferred times.
- Version 5.0.1
- Improvement in generation.
- Weights can now be real numbers.
- Random generator improved (from Knuth).
- Version 5.0.2
- Potential (very unlikely) bug fix in random.
- Changes in automatic generation (hope good changes).
- Small interface changes.
- Improvements in translation by Volker Dirr.
---------------------------------------------------------------------------------
Versions 5.1.0 - 5.1.12
- Version 5.1.0
- Minor cosmetic changes in code by Volker Dirr.
- Constraint students (set) min hours daily (suggested by Zsolt Udvari).
- Improved automatic generation.
- Version 5.1.1
- Bug fixes (students sets).
- Division of years automatically (suggested by more users).
- Version 5.1.2
- Allow only one category for splitting a year.
- Version 5.1.3
- Improvements in dividing year (suggested by Volker Dirr and Constantin Romulus).
- Version 5.1.4
- Improvements in dividing year (suggested by Constantin Romulus and Volker Dirr).
- Improvements in Romanian translation.
- Improvements in German translation by Volker Dirr.
- Small improvements in interface.
- The user can now double click in any constraints dialog to modify.
- Version 5.1.5
- Improvements in interface (double click in Teachers, Subjects, etc. now modifies).
- German translation update by Volker Dirr.
- Version 5.1.6
- Students not available does not induce gaps or early unrespected
- Teachers not available does not induce gaps
- Improvement in automatic generation (cycles avoided better)
- Version 5.1.7
- I hope improvements in automatic generation
- Version 5.1.8
- Update in German translation by Volker Dirr
- Improvement: if activity contains duplicated subgroups, this is not reported to the user anymore
(suggested by Volker Dirr)
- Improvement in rooms allocation - if room free, activity is placed, even
if constraint subj (act) pref room(s) has low weight (suggested by Volker Dirr)
- Changes in automatic generation (I hope good ones)
- Improvement in adding constraint activities same starting time (filter change does
not remove activities any longer) (suggested by Volker Dirr)
- Improvement in adding constraint min n days between activities (filter) (suggested by
Volker Dirr)
- Version 5.1.9
- Better initial sorting -> better automatic generation
- Version 5.1.10
- Detailed constraint activity ... (min n days, preferred time(s), same starting time,
same starting hour, not overlapping) now contain the teacher, subj, subj tag and students)
(suggested by Volker Dirr).
- Better initial sorting - better automatic generation
- Version 5.1.11
- Improvements in automatic generation
- Improved saving of x-html timetables by Volker Dirr
- Version 5.1.12
- Changes in automatic generation (I hope improvements)
- Constraint subject subject tag preferred room(s) (suggested by Volker Dirr)
---------------------------------------------------------------------------------
Versions 5.2.0 - 5.2.19
- Version 5.2.0
- Various small improvements
- Multiple timetables generation (suggested by Volker Dirr)
- Constraint 2 activities consecutive (suggested by Felix FSH)
- Version 5.2.1
- Bug fix in conflicts reporting in conflicts.txt for single timetable generation
- Version 5.2.2
- Small bug fix (when aborting generation or generation is impossible, correct conflicts are
written on hard disk)
- Version 5.2.3
- Small bug fix - when clicking cancel on exit, the filename is preserved correctly
- Small corrections
- Version 5.2.4
- Small interface improvement (now the add activity dialog has default show subgroups unchecked)
- Version 5.2.5
- Small instructions improvements
- Version 5.2.6
- Minor interface improvements (the conflicts are now named soft conflicts, as they should)
- Small speed improvement, by changing the timetable generate dialog
- Version 5.2.7
- Interface improvement
- Small bug fix (when modifying hours or days)
- Crash bugs fixed - reported by mantas
- Version 5.2.8
- Added a test to see if teachers or students have enough slots, from not available constraints
- Small bug fixes
- Version 5.2.9
- Small improvements in interface
- Version 5.2.10
- Small improvements in interface
- The teachers max gaps can have now only 100% weight
- Improvements in Romanian translation
- Version 5.2.11