示例#1
0
        private void ReportIndividual(Individual ind)
        {
            #region Initialize
            var timeTables = ClearTables();

            #endregion

            for (int i = 0; i < 5; i++)
            {
                for (int j = 0; j < 10; j++)
                {
                    Slot temp = ind.Timetable[i][j];
                    TextBlock tempTextBlock, tempTextBlockForSemester;

                    List<int> fullCrashes = new List<int>();
                    foreach (var collision in ind.CollisionList.Where(x => x.SlotId == temp.Id && x.Result >= 1))
                    {
                        fullCrashes.AddRange(collision.CrashingCourses.Select(x => x.Id));
                    }

                    List<int> semiCrashes = new List<int>();
                    foreach (var collision in ind.CollisionList.Where(x => x.SlotId == temp.Id && x.Result < 1))
                    {
                        semiCrashes.AddRange(collision.CrashingCourses.Select(x => x.Id));
                    }

                    #region add courses and coloring
                    foreach (var course in temp.Courses)
                    {
                        tempTextBlock = new TextBlock { Text = course.PrintableName };
                        tempTextBlockForSemester = new TextBlock { Text = course.PrintableName };
                        if (fullCrashes.Contains(course.Id))
                        {
                            tempTextBlock.Background = Brushes.PaleVioletRed;
                            tempTextBlockForSemester.Background = Brushes.PaleVioletRed;
                        }
                        else if (semiCrashes.Contains(course.Id))
                        {
                            tempTextBlock.Background = Brushes.LightSkyBlue;
                            tempTextBlockForSemester.Background = Brushes.LightSkyBlue;
                        }

                        MainTimetable.ControlArray[i, j].Children.Add(tempTextBlock);

                        if (course.Semester > 0 && course.Semester < 9)
                            timeTables[course.Semester - 1].ControlArray[i, j].Children.Add(tempTextBlockForSemester);

                        if (course.Type == 1)
                        {
                            var labTextBlock = new TextBlock { Text = course.PrintableName };
                            LabTimetable.ControlArray[i, j].Children.Add(labTextBlock);
                        }
                    }
                    #endregion

                    #region add faculty courses
                    foreach (var course in temp.facultyCourses)
                    {
                        tempTextBlock = new TextBlock
                        {
                            Text = course.PrintableName,
                            Foreground = Brushes.CadetBlue
                        };
                        tempTextBlockForSemester = new TextBlock
                        {
                            Text = course.PrintableName,
                            Foreground = Brushes.CadetBlue
                        };

                        MainTimetable.ControlArray[i, j].Children.Add(tempTextBlock);

                        if (course.Semester > 0 && course.Semester < 9)
                            timeTables[course.Semester - 1].ControlArray[i, j].Children.Add(tempTextBlockForSemester);

                    }
                    #endregion

                    #region add faculty labs
                    if (temp.facultyLab > 0)
                    {
                        tempTextBlock = new TextBlock { Text = $"Faculty Lab (count:{temp.facultyLab})" };
                        MainTimetable.ControlArray[i, j].Children.Add(tempTextBlock);

                        for (int k = 0; k < temp.facultyLab; k++)
                        {
                            var labTextBlock = new TextBlock
                            {
                                Text = $"Faculty Lab",
                                Foreground = Brushes.CadetBlue
                            };
                            LabTimetable.ControlArray[i, j].Children.Add(labTextBlock);
                        }
                    }
                    #endregion

                    #region lab constraint coloring.
                    if (LabTimetable.ControlArray[i, j].Children.Count > 4)
                    {
                        LabTimetable.ControlArray[i, j].Background = Brushes.PaleVioletRed;
                    }
                    #endregion

                    #region add meeting.
                    if (temp.meetingHour)
                    {
                        tempTextBlock = new TextBlock
                        {
                            FontStyle = FontStyles.Italic,
                            Text = $"Meeting"
                        };

                        MainTimetable.ControlArray[i, j].Children.Add(tempTextBlock);
                        for (int n = 0; n < 8; n++)
                        {
                            tempTextBlockForSemester = new TextBlock
                            {
                                FontStyle = FontStyles.Italic,
                                Text = $"Meeting"
                            };
                            timeTables[n].ControlArray[i, j].Children.Add(tempTextBlockForSemester);
                        }
                    }
                    #endregion

                    #region tooltip filling.
                    foreach (var coll in ind.CollisionList)
                    {
                        if (temp.Id == coll.SlotId)
                        {
                            string collisionRep = $"obj:{coll.Obj} {coll.Reason}";
                            int count = 0;
                            if (coll.CrashingCourses.Count > 0)
                                collisionRep += " : ";
                            foreach (var cc in coll.CrashingCourses)
                            {
                                count++;
                                collisionRep += cc.Code;
                                if (count != coll.CrashingCourses.Count)
                                    collisionRep += "|";
                            }

                            MainTimetable.ControlArray[i, j].ToolTip += collisionRep + "\n";
                        }
                    }
                    #endregion

                    #region teacher coloring and teacher tabs/lists
                    foreach (var teacher in _uctproblem.ProblemObj.TeacherList)
                    {
                        if (teacher == "ASSISTANT")
                            continue;

                        if (temp.Courses.Any(x => x.Teacher == teacher))
                        {
                            foreach (var course in temp.Courses.Where(x => x.Teacher == teacher))
                            {
                                tempTextBlock = new TextBlock { Text = course.PrintableName };
                                tempTextBlockForSemester = new TextBlock { Text = course.PrintableName };
                                if (fullCrashes.Contains(course.Id))
                                {
                                    tempTextBlock.Background = Brushes.PaleVioletRed;
                                    tempTextBlockForSemester.Background = Brushes.PaleVioletRed;
                                }

                                TeacherTables[teacher].ControlArray[i, j].Children.Add(tempTextBlockForSemester);
                            }
                        }

                    }
                    #endregion
                } //hour
            } //day

            int tid = 0;
            foreach (var teacher in _uctproblem.ProblemObj.TeacherList)
            {
                bool hasTeacherCollision = false;
                string teacherColl = "";
                foreach (var coll in ind.CollisionList)
                {
                    if (coll.TeacherId == tid)
                    {
                        teacherColl += $"obj:{coll.Obj} {coll.Reason} \n";
                        hasTeacherCollision = true;
                    }
                }

                TeacherPanel.Children.Add(new TextBlock
                {
                    Background = hasTeacherCollision ? Brushes.PaleVioletRed : null,
                    ToolTip = hasTeacherCollision ? teacherColl : null,
                    Text = $"{tid}: {teacher}",
                    Margin = new Thickness(5)
                });
                tid++;
            }

            CollisionTab.Header = $"Coll:{ind.CollisionList.Count} T:{ind.TotalResult}";
            var collindex = 1;
            foreach (var collision in ind.CollisionList)
            {
                CollisionList.Items.Add(collindex + " " + collision.Printable);
                collindex++;
            }
        }
示例#2
0
        public double HillClimb(ProblemDefinition problemObj)
        {
            double tResultImprovement = 0;

            if (CollisionList.Count > 0)
            {
                bool continueClimb;
                Individual original = new Individual(this, problemObj);
                original.Decode(problemObj);
                original.Evaluate(problemObj);

                int seeder = 7;
                Random rnd = new Random(seeder);

                int climbRetryCount = 0;
                do
                {
                    climbRetryCount++;
                    bool climb = HillClimber(problemObj, rnd);
                    if (climb)
                        return 0;
                    //HillClimberF22(problemObj, rnd,22);
                    Decode(problemObj);
                    Evaluate(problemObj);

                    var obj0Imp = original.Obj[0] - Obj[0];
                    var obj1Imp = original.Obj[1] - Obj[1];
                    var obj2Imp = original.Obj[2] - Obj[2];

                    if (obj0Imp + obj1Imp + obj2Imp == 0)
                    {
                        if (obj0Imp > 0)
                        {
                            original = new Individual(this, problemObj);
                            original.Decode(problemObj);
                            original.Evaluate(problemObj);
                        }
                        continueClimb = false;
                    }
                    else if (obj0Imp + obj1Imp + obj2Imp > 0)
                    {
                        continueClimb = false;
                        original = new Individual(this, problemObj);
                        original.Decode(problemObj);
                        original.Evaluate(problemObj);
                    }
                    else
                    {
                        continueClimb = false;
                    }

                    tResultImprovement += obj0Imp + obj1Imp + obj2Imp;

                } while (continueClimb && climbRetryCount < 10);

                if (tResultImprovement < 0) //todo check sanki geri almıyor.
                {
                    Copy(original, problemObj);
                    Decode(problemObj);
                    Evaluate(problemObj);
                    tResultImprovement = 0;
                }
            }
            return tResultImprovement;
        }
示例#3
0
        public Individual(Individual ind, ProblemDefinition problem)
        {
            CollisionList = new List<Collision>();
            FacultySections = new List<FacultySection>();
            DiffSemesterFacultySections = new List<FacultySection>();
            ElectiveFacultySections = new List<FacultySection>();

            TotalResult = 0;

            NRealVar = ind.NRealVar;
            NBinVar = ind.NBinVar;
            NMaxBit = ind.NMaxBit;
            NObj = ind.NObj;
            NCons = ind.NCons;

            if (ind.NRealVar != 0)
                Xreal = new double[NRealVar];

            if (ind.NBinVar != 0)
            {
                SlotId = new int[ind.NBinVar];
                Gene = new List<List<int>>();
                for (int i = 0; i < ind.NBinVar; i++)
                {
                    Gene.Add(new List<int>(ind.NBinVar));
                    for (int j = 0; j < NMaxBit; j++)
                    {
                        Gene[i].Add(0);
                    }
                }
                //Gene = new int[ind._nBinVar, ind._nMaxBit];
            }

            Obj = new double[ind.NObj];

            if (ind.NCons != 0)
                Constr = new double[ind.NCons];

            Rank = ind.Rank;
            ConstrViolation = ind.ConstrViolation;
            CrowdDist = ind.CrowdDist;
            if (ind.NRealVar > 0)
            {
                for (int i = 0; i < ind.NRealVar; i++)
                {
                    Xreal[i] = ind.Xreal[i];
                }
            }
            if (ind.NBinVar > 0)
            {
                for (int i = 0; i < ind.NBinVar; i++)
                {
                    SlotId[i] = ind.SlotId[i];
                    for (int j = 0; j < problem.Nbits[i]; j++)
                    {
                        Gene[i][j] = ind.Gene[i][j];
                    }
                }
            }
            for (int i = 0; i < ind.NObj; i++)
            {
                Obj[i] = ind.Obj[i];
            }
            if (ind.NCons > 0)
            {
                for (int i = 0; i < ind.NCons; i++)
                {
                    Constr[i] = ind.Constr[i];
                }
            }

            Timetable = new List<List<Slot>>();
        }
示例#4
0
 /* Function to perform mutation of an individual */
 static void MutateIndividual(Individual ind, ProblemDefinition problemObj, Randomization randomizationObj)
 {
     if (problemObj.RealVariableCount != 0)
     {
         RealMutate(ind, problemObj, randomizationObj);
     }
     if (problemObj.BinaryVariableCount != 0)
     {
         BinaryMutate(ind, problemObj, randomizationObj);
     }
 }
示例#5
0
        public void Copy(Individual ind, ProblemDefinition problem)
        {
            NRealVar = ind.NRealVar;
            NBinVar = ind.NBinVar;
            NMaxBit = ind.NMaxBit;
            NObj = ind.NObj;
            NCons = ind.NCons;

            CollisionList.Clear();
            FacultySections.Clear();
            DiffSemesterFacultySections.Clear();
            ElectiveFacultySections.Clear();

            TotalResult = 0;

            Rank = ind.Rank;
            ConstrViolation = ind.ConstrViolation;
            CrowdDist = ind.CrowdDist;
            if (ind.NRealVar > 0)
            {
                for (int i = 0; i < ind.NRealVar; i++)
                {
                    Xreal[i] = ind.Xreal[i];
                }
            }
            if (ind.NBinVar > 0)
            {
                for (int i = 0; i < ind.NBinVar; i++)
                {
                    SlotId[i] = ind.SlotId[i];
                    for (int j = 0; j < problem.Nbits[i]; j++)
                    {
                        Gene[i][j] = ind.Gene[i][j];
                    }
                }
            }
            for (int i = 0; i < ind.NObj; i++)
            {
                Obj[i] = ind.Obj[i];
            }
            if (ind.NCons > 0)
            {
                for (int i = 0; i < ind.NCons; i++)
                {
                    Constr[i] = ind.Constr[i];
                }
            }
        }
示例#6
0
        /* Routine for usual non-domination checking
           It will return the following values
           1 if a dominates b
           -1 if b dominates a
           0 if both a and b are non-dominated */
        static int CheckDominance(Individual a, Individual b, ProblemDefinition problemObj)
        {
            int i;
            int flag1;
            int flag2;
            flag1 = 0;
            flag2 = 0;
            if (a.ConstrViolation < 0 && b.ConstrViolation < 0)
            {
                if (a.ConstrViolation > b.ConstrViolation)
                {
                    return 1;
                }
                if (a.ConstrViolation < b.ConstrViolation)
                {
                    return -1;
                }
                return 0;
            }
            if (a.ConstrViolation < 0 && b.ConstrViolation == 0)
            {
                return -1;
            }

            if (a.ConstrViolation == 0 && b.ConstrViolation < 0)
            {
                return 1;
            }

            for (i = 0; i < problemObj.ObjectiveCount; i++)
            {
                if (a.Obj[i] < b.Obj[i])
                {
                    flag1 = 1;

                }
                else
                {
                    if (a.Obj[i] > b.Obj[i])
                    {
                        flag2 = 1;
                    }
                }
            }
            if (flag1 == 1 && flag2 == 0)
            {
                return 1;
            }
            if (flag1 == 0 && flag2 == 1)
            {
                return -1;
            }
            return 0;
        }
示例#7
0
 /* Function to cross two individuals */
 static void Crossover(Individual parent1, Individual parent2, Individual child1, Individual child2, ProblemDefinition problemObj, Randomization randomizationObj)
 {
     if (problemObj.RealVariableCount != 0)
     {
         RealCrossover(parent1, parent2, child1, child2, problemObj, randomizationObj);
     }
     if (problemObj.BinaryVariableCount != 0)
     {
         BinaryCrossover(parent1, parent2, child1, child2, problemObj, randomizationObj);
     }
 }
示例#8
0
 /* Routine for binary mutation of an individual */
 static void BinaryMutate(Individual ind, ProblemDefinition problemObj, Randomization randomizationObj)
 {
     int j, k;
     double prob;
     for (j = 0; j < problemObj.BinaryVariableCount; j++)
     {
         for (k = 0; k < problemObj.Nbits[j]; k++)
         {
             prob = randomizationObj.RandomPercent();
             if (prob <= problemObj.BinaryMutationProbability)
             {
                 if (ind.Gene[j][k] == 0)
                 {
                     ind.Gene[j][k] = 1;
                 }
                 else
                 {
                     ind.Gene[j][k] = 0;
                 }
                 problemObj.BinaryMutationCount += 1;
             }
         }
     }
 }
示例#9
0
 /* Routine for two point binary Crossover */
 static void BinaryCrossover(Individual parent1, Individual parent2, Individual child1, Individual child2, ProblemDefinition problemObj, Randomization randomizationObj)
 {
     int i, j;
     double rand;
     int temp, site1, site2;
     for (i = 0; i < problemObj.BinaryVariableCount; i++)
     {
         rand = randomizationObj.RandomPercent();
         if (rand <= problemObj.BinaryCrossoverProbability)
         {
             problemObj.BinaryCrossoverCount++;
             site1 = randomizationObj.RandomInteger(0, problemObj.Nbits[i] - 1);
             site2 = randomizationObj.RandomInteger(0, problemObj.Nbits[i] - 1);
             if (site1 > site2)
             {
                 temp = site1;
                 site1 = site2;
                 site2 = temp;
             }
             for (j = 0; j < site1; j++)
             {
                 child1.Gene[i][j] = parent1.Gene[i][j];
                 child2.Gene[i][j] = parent2.Gene[i][j];
             }
             for (j = site1; j < site2; j++)
             {
                 child1.Gene[i][j] = parent2.Gene[i][j];
                 child2.Gene[i][j] = parent1.Gene[i][j];
             }
             for (j = site2; j < problemObj.Nbits[i]; j++)
             {
                 child1.Gene[i][j] = parent1.Gene[i][j];
                 child2.Gene[i][j] = parent2.Gene[i][j];
             }
         }
         else
         {
             for (j = 0; j < problemObj.Nbits[i]; j++)
             {
                 child1.Gene[i][j] = parent1.Gene[i][j];
                 child2.Gene[i][j] = parent2.Gene[i][j];
             }
         }
     }
 }
示例#10
0
 /* Routine for binary Tournament */
 static Individual Tournament(Individual ind1, Individual ind2, ProblemDefinition problemObj, Randomization randomizationObj)
 {
     var flag = CheckDominance(ind1, ind2, problemObj);
     if (flag == 1)
     {
         return ind1;
     }
     if (flag == -1)
     {
         return ind2;
     }
     if (ind1.CrowdDist > ind2.CrowdDist)
     {
         return ind1;
     }
     if (ind2.CrowdDist > ind1.CrowdDist)
     {
         return ind2;
     }
     if (randomizationObj.RandomPercent() <= 0.5)
     {
         return ind1;
     }
     else
     {
         return ind2;
     }
 }
示例#11
0
 /* Routine for real polynomial mutation of an individual */
 static void RealMutate(Individual ind, ProblemDefinition problemObj, Randomization randomizationObj)
 {
     int j;
     double rnd, delta1, delta2, mutPow, deltaq;
     double y, yl, yu, val, xy;
     for (j = 0; j < problemObj.RealVariableCount; j++)
     {
         if (randomizationObj.RandomPercent() <= problemObj.RealMutationProbability)
         {
             y = ind.Xreal[j];
             yl = problemObj.MinRealvar[j];
             yu = problemObj.MaxRealvar[j];
             delta1 = (y - yl) / (yu - yl);
             delta2 = (yu - y) / (yu - yl);
             rnd = randomizationObj.RandomPercent();
             mutPow = 1.0 / (problemObj.MutationDistributionIndex + 1.0);
             if (rnd <= 0.5)
             {
                 xy = 1.0 - delta1;
                 val = 2.0 * rnd + (1.0 - 2.0 * rnd) * Math.Pow(xy, problemObj.MutationDistributionIndex + 1.0);
                 deltaq = Math.Pow(val, mutPow) - 1.0;
             }
             else
             {
                 xy = 1.0 - delta2;
                 val = 2.0 * (1.0 - rnd) + 2.0 * (rnd - 0.5) * Math.Pow(xy, problemObj.MutationDistributionIndex + 1.0);
                 deltaq = 1.0 - Math.Pow(val, mutPow);
             }
             y = y + deltaq * (yu - yl);
             if (y < yl)
                 y = yl;
             if (y > yu)
                 y = yu;
             ind.Xreal[j] = y;
             problemObj.RealMutationCount += 1;
         }
     }
 }
示例#12
0
 /* Routine for real variable SBX Crossover */
 static void RealCrossover(Individual parent1, Individual parent2, Individual child1, Individual child2, ProblemDefinition problemObj, Randomization randomizationObj)
 {
     int i;
     double rand;
     double y1, y2, yl, yu;
     double c1, c2;
     double alpha, beta, betaq;
     if (randomizationObj.RandomPercent() <= problemObj.RealCrossoverProbability)
     {
         problemObj.RealCrossoverCount++;
         for (i = 0; i < problemObj.RealVariableCount; i++)
         {
             if (randomizationObj.RandomPercent() <= 0.5)
             {
                 if (Math.Abs(parent1.Xreal[i] - parent2.Xreal[i]) > problemObj.Eps)
                 {
                     if (parent1.Xreal[i] < parent2.Xreal[i])
                     {
                         y1 = parent1.Xreal[i];
                         y2 = parent2.Xreal[i];
                     }
                     else
                     {
                         y1 = parent2.Xreal[i];
                         y2 = parent1.Xreal[i];
                     }
                     yl = problemObj.MinRealvar[i];
                     yu = problemObj.MaxRealvar[i];
                     rand = randomizationObj.RandomPercent();
                     beta = 1.0 + 2.0 * (y1 - yl) / (y2 - y1);
                     alpha = 2.0 - Math.Pow(beta, -(problemObj.CrossoverDistributionIndex + 1.0));
                     if (rand <= 1.0 / alpha)
                     {
                         betaq = Math.Pow(rand * alpha, 1.0 / (problemObj.CrossoverDistributionIndex + 1.0));
                     }
                     else
                     {
                         betaq = Math.Pow(1.0 / (2.0 - rand * alpha), 1.0 / (problemObj.CrossoverDistributionIndex + 1.0));
                     }
                     c1 = 0.5 * (y1 + y2 - betaq * (y2 - y1));
                     beta = 1.0 + 2.0 * (yu - y2) / (y2 - y1);
                     alpha = 2.0 - Math.Pow(beta, -(problemObj.CrossoverDistributionIndex + 1.0));
                     if (rand <= 1.0 / alpha)
                     {
                         betaq = Math.Pow(rand * alpha, 1.0 / (problemObj.CrossoverDistributionIndex + 1.0));
                     }
                     else
                     {
                         betaq = Math.Pow(1.0 / (2.0 - rand * alpha), 1.0 / (problemObj.CrossoverDistributionIndex + 1.0));
                     }
                     c2 = 0.5 * (y1 + y2 + betaq * (y2 - y1));
                     if (c1 < yl)
                         c1 = yl;
                     if (c2 < yl)
                         c2 = yl;
                     if (c1 > yu)
                         c1 = yu;
                     if (c2 > yu)
                         c2 = yu;
                     if (randomizationObj.RandomPercent() <= 0.5)
                     {
                         child1.Xreal[i] = c2;
                         child2.Xreal[i] = c1;
                     }
                     else
                     {
                         child1.Xreal[i] = c1;
                         child2.Xreal[i] = c2;
                     }
                 }
                 else
                 {
                     child1.Xreal[i] = parent1.Xreal[i];
                     child2.Xreal[i] = parent2.Xreal[i];
                 }
             }
             else
             {
                 child1.Xreal[i] = parent1.Xreal[i];
                 child2.Xreal[i] = parent2.Xreal[i];
             }
         }
     }
     else
     {
         for (i = 0; i < problemObj.RealVariableCount; i++)
         {
             child1.Xreal[i] = parent1.Xreal[i];
             child2.Xreal[i] = parent2.Xreal[i];
         }
     }
 }