public int CalculateFitness(Solution solution)
{
int fitness = 0;
for (int i = 0; i < solution.BoardList[solution.BoardList.Count - 1].RectList.Count; i++)
{
fitness += solution.BoardList[solution.BoardList.Count - 1].RectList[i].size;
}
return fitness;
}
public Solution CloneSolution(Solution solution)
{
Solution solutionClone = new Solution();
solutionClone.SolutionID = solution.SolutionID;
solutionClone.usedBenchmarkID = solution.usedBenchmarkID;
solutionClone.numberOfBoards = solution.numberOfBoards;
solutionClone.numberOfRects = solution.numberOfRects;
solutionClone.creationTime = solution.creationTime;
solutionClone.percentageFilledArea = solution.percentageFilledArea;
solutionClone.numberRectsPlaced = solution.numberRectsPlaced;
solutionClone.numberRectsLeft = solution.numberRectsLeft;
solutionClone.benchmark = solution.benchmark;
solutionClone.BoardList = new List<Board>();
for (int i = 0; i < solution.BoardList.Count; i++)
{
Board board = new Board();
board.boardID = solution.BoardList[i].boardID;
board.height = solution.BoardList[i].height;
board.width = solution.BoardList[i].width;
board.size = solution.BoardList[i].size;
board.isCollectionBoard = solution.BoardList[i].isCollectionBoard;
board.edgeLeftUp = new MyPoint();
board.edgeLeftUp.x = (solution.BoardList[i].edgeLeftUp != null)? solution.BoardList[i].edgeLeftUp.x : 0;
board.edgeLeftUp.y = (solution.BoardList[i].edgeLeftUp != null)? solution.BoardList[i].edgeLeftUp.y : 0;
board.edgeRightDown = new MyPoint();
board.edgeRightDown.x = (solution.BoardList[i].edgeRightDown != null) ? solution.BoardList[i].edgeRightDown.x : 0;
board.edgeRightDown.y = (solution.BoardList[i].edgeRightDown != null) ? solution.BoardList[i].edgeRightDown.y : 0;
for (int j = 0; j < solution.BoardList[i].RectList.Count; j++)
{
Rect rect = new Rect();
rect.rectID = solution.BoardList[i].RectList[j].rectID;
rect.width = solution.BoardList[i].RectList[j].width;
rect.height = solution.BoardList[i].RectList[j].height;
rect.size = solution.BoardList[i].RectList[j].size;
rect.edgeLeftUp = new MyPoint();
rect.edgeLeftUp.x = (solution.BoardList[i].RectList[j].edgeLeftUp != null)? solution.BoardList[i].RectList[j].edgeLeftUp.x : 0;
rect.edgeLeftUp.y = (solution.BoardList[i].RectList[j].edgeLeftUp != null)? solution.BoardList[i].RectList[j].edgeLeftUp.y : 0;
rect.edgeRightDown = new MyPoint();
rect.edgeRightDown.x = (solution.BoardList[i].RectList[j].edgeRightDown != null)? solution.BoardList[i].RectList[j].edgeRightDown.x : 0;
rect.edgeRightDown.y = (solution.BoardList[i].RectList[j].edgeRightDown != null)? solution.BoardList[i].RectList[j].edgeRightDown.y : 0;
board.RectList.Add(rect);
}
solutionClone.BoardList.Add(board);
}
return solutionClone;
}
// creates a basic solution without rects placed, according to the benchmark
public void CreateBasicSolution(Base global, Benchmark benchmark)
{
Solution solution = new Solution();
// set solution ID
string path = Environment.CurrentDirectory;
// without bin\Debug
path = path.Substring(0, path.Length - 9) + "Resources\\SolutionNr.txt";
solution.SolutionID = Convert.ToInt32(System.IO.File.ReadAllText(path));
// set creationTime
solution.creationTime = DateTime.Now;
// set Benchmark to solution
solution.benchmark = benchmark;
solution.usedBenchmarkID = benchmark.benchmarkID;
// add boards
solution.BoardList = new List<Board>();
for (int i = 0; i < benchmark.boardList.Count; i++)
{
Board board = new Board();
board.boardID = i + 1;
board.height = benchmark.boardList[0].height;
board.width = benchmark.boardList[0].width;
board.isCollectionBoard = false;
board.size = board.height * board.width;
solution.BoardList.Add(board);
}
// add collection board
Board collectionBoard = new Board();
collectionBoard.boardID = solution.BoardList.Count + 1;
collectionBoard.height = benchmark.boardList[0].height;
collectionBoard.width = benchmark.boardList[0].width * 2;
collectionBoard.isCollectionBoard = true;
collectionBoard.size = collectionBoard.height * collectionBoard.width;
solution.BoardList.Add(collectionBoard);
// add rects to collection board, sorted from largest to smallest and height > width (change these parameters if necessary)
// also remove the coordinates from the rects
for(int i = 0; i < benchmark.boardList.Count; i++)
{
for(int j = 0; j < benchmark.boardList[i].RectList.Count; j++)
{
Rect rect = new Rect();
rect.rectID = benchmark.boardList[i].RectList[j].rectID;
rect.size = benchmark.boardList[i].RectList[j].size;
if(benchmark.boardList[i].RectList[j].height < benchmark.boardList[i].RectList[j].width)
{
rect.height = benchmark.boardList[i].RectList[j].width;
rect.width = benchmark.boardList[i].RectList[j].height;
}
else
{
rect.height = benchmark.boardList[i].RectList[j].height;
rect.width = benchmark.boardList[i].RectList[j].width;
}
rect.edgeLeftUp = new MyPoint(0,0);
rect.edgeRightDown = new MyPoint(0,0);
collectionBoard.RectList.Add(rect);
}
}
// sort the rects in rect list from largest size to smallest size (new version; old version below)
Tools tools = new Tools();
tools.QuickSortRectBySizeDec(0, collectionBoard.RectList.Count - 1, collectionBoard.RectList);
// old version, new version = using quicksort
/*
// sort the rect list
List<Rect> rectList = new List<Rect>();
// as long as rects exist
while (collectionBoard.RectList.Count > 0)
{
// search the largest rect (by size), then add to rectList and remove from collectionBoard List
Rect largestRect = collectionBoard.RectList[0];
for (int i = 1; i < collectionBoard.RectList.Count; i++)
{
if(collectionBoard.RectList[i].size > largestRect.size)
{
largestRect = collectionBoard.RectList[i];
}
}
rectList.Add(largestRect);
collectionBoard.RectList.Remove(largestRect);
}
collectionBoard.RectList = rectList;
*/
// add the remaining parameters to solution
solution.numberOfRects = collectionBoard.RectList.Count;
solution.percentageFilledArea = 0;
global.solution = solution;
global.emptySolution = tools.CloneSolution(solution);
// cl values
ClassificationNumbers clNumbers = new ClassificationNumbers(global);
clNumbers.GetAndShowAllClassificationNumbers();
}
private Base()
{
this.BoardList = new List<Board>();
this.boardGap = 20;
this.contentToShow = "";
this.runningProcess = new RunningProcess();
this.solutionStatus = 0;
this.positionsManaged = new List<Position>();
this.positionsValid = new List<Position>();
this.bestPositionSet = false;
this.chosenGreedies = new List<int>();
this.populationSmall = new List<PopulationElement>();
this.populationLarge = new List<PopulationElement>();
this.changeCounter = 0;
this.random = new Random();
this.tournamentPopulation = false;
this.tournamentGreediesOnly = false;
this.tournamentGreedyMethods = new List<int>();
this.bestSolution = null;
this.evolutionStep = 0;
}
public Solution Greedy(Boolean evolution, Solution solutionEvo)
{
Base global = Base.GetInstance();
Solution solution;
if(evolution)
{
solution = solutionEvo;
}
else
{
solution = global.solution;
}
ClassificationNumbers classificationNumbers = new ClassificationNumbers(global);
// preparations
if(!evolution)
{
global.runningProcess.state = 1;
}
Tools tools = new Tools();
// START one time:
if (evolution || global.runningProcess.firstStep)
{
// next rect to pick of the list: the first one (default)
if(!evolution)
{
global.runningProcess.nextStep = 0;
}
else
{
global.nextStepGreedyEvo = 0;
}
global.positionsManaged = new List<Position>();
global.positionsValid = new List<Position>();
if((global.Verschnittoptimierung.radioButton_largestSideInc.Checked && !evolution) ||
(evolution && global.selectedGreedy == 1) ||
(evolution && global.selectedGreedy == 2) ||
(evolution && global.selectedGreedy == 9) ||
(evolution && global.selectedGreedy == 10)
)
{
// sort rects from min largest side to max largest side
tools.QuickSortRectByLargestSizeInc(0,
solution.BoardList[solution.BoardList.Count - 1].RectList.Count - 1, solution.BoardList[solution.BoardList.Count - 1].RectList);
}
else if((global.Verschnittoptimierung.radioButton_largestSideDec.Checked && !evolution) ||
(evolution && global.selectedGreedy == 3) ||
(evolution && global.selectedGreedy == 4) ||
(evolution && global.selectedGreedy == 11) ||
(evolution && global.selectedGreedy == 12)
)
{
// sort rects from min largest side to max largest side
tools.QuickSortRectByLargestSideDec(0,
solution.BoardList[solution.BoardList.Count - 1].RectList.Count - 1, solution.BoardList[solution.BoardList.Count - 1].RectList);
}
else if((global.Verschnittoptimierung.radioButton_sizeInc.Checked) ||
(evolution && global.selectedGreedy == 5) ||
(evolution && global.selectedGreedy == 6) ||
(evolution && global.selectedGreedy == 13) ||
(evolution && global.selectedGreedy == 14)
)
{
// sort rects from min size to max size
tools.QuickSortRectBySizeInc(0,
solution.BoardList[solution.BoardList.Count - 1].RectList.Count - 1, solution.BoardList[solution.BoardList.Count - 1].RectList);
}
else if((global.Verschnittoptimierung.radioButton_sizeDec.Checked) ||
(evolution && global.selectedGreedy == 7) ||
(evolution && global.selectedGreedy == 8) ||
(evolution && global.selectedGreedy == 15) ||
(evolution && global.selectedGreedy == 16)
)
{
// sort rects from max size to min size
tools.QuickSortRectBySizeDec(0,
solution.BoardList[solution.BoardList.Count - 1].RectList.Count - 1, solution.BoardList[solution.BoardList.Count - 1].RectList);
}
if(!evolution)
{
global.runningProcess.firstStep = false;
}
}
// END one time
// for each rect on collectionBoard
for (int i = (evolution ? global.nextStepGreedyEvo : global.runningProcess.nextStep);
i < solution.BoardList[solution.BoardList.Count - 1].RectList.Count;)
{
if(!evolution)
{
global.runningProcess.state = 1;
}
// sort boards from max free space to least free space
List<int> boardNrSorted = tools.SortBoardsBySize(solution.BoardList);
// for each board try to place the rect
for (int j = 0; j < boardNrSorted.Count - 1; j++)
{
// try place the rect
// 1. is the space as area enough for the board? (without finding a specific place)
// calculate boardSizeEffective
int boardSizeEffective = solution.BoardList[boardNrSorted[j]].size;
for (int k = 0; k < solution.BoardList[boardNrSorted[j]].RectList.Count; k++)
{
boardSizeEffective -= solution.BoardList[boardNrSorted[j]].RectList[k].size;
}
if (boardSizeEffective < solution.BoardList[solution.BoardList.Count - 1].RectList[i].size)
{
// rect is too large, cannot be placed on any of the boards.
// has to remain on the collectionBoard
if(!evolution)
{
classificationNumbers.GetAndShowAllClassificationNumbers();
}
break;
}
// 2. try to place the rect in the selected board
// clone the rect
Rect rect = new Rect();
rect.edgeLeftUp = new MyPoint();
rect.edgeRightDown = new MyPoint();
rect.rectID = solution.BoardList[solution.BoardList.Count - 1].RectList[i].rectID;
rect.size = solution.BoardList[solution.BoardList.Count - 1].RectList[i].size;
rect.width = solution.BoardList[solution.BoardList.Count - 1].RectList[i].width;
rect.height = solution.BoardList[solution.BoardList.Count - 1].RectList[i].height;
/*
rect.edgeLeftUp.x = solution.BoardList[solution.BoardList.Count - 1].RectList[i].edgeLeftUp.x;
rect.edgeLeftUp.y = solution.BoardList[solution.BoardList.Count - 1].RectList[i].edgeLeftUp.y;
rect.edgeRightDown.x = solution.BoardList[solution.BoardList.Count - 1].RectList[i].edgeRightDown.x;
rect.edgeRightDown.y = solution.BoardList[solution.BoardList.Count - 1].RectList[i].edgeRightDown.y;
*/
// reset values in global
global.positionsManaged = new List<Position>();
global.positionsValid = new List<Position>();
global.bestPositionSet = false;
// TODO: this part(vertical, then horizontal / or only one if equal) should be moved to GetValidPos()
// first vertical, then horizontal
if (rect.width == rect.height)
{
rect.edgeLeftUp.x = 0;
rect.edgeLeftUp.y = rect.height;
rect.edgeRightDown.x = rect.width;
rect.edgeRightDown.y = 0;
GetValidPositions(solution.BoardList[boardNrSorted[j]].RectList, rect, evolution);
}
else
{
// 1. vertical
if (rect.width > rect.height)
{
int helper = rect.width;
rect.width = rect.height;
rect.height = helper;
}
rect.edgeLeftUp.x = 0;
rect.edgeLeftUp.y = rect.height;
rect.edgeRightDown.x = rect.width;
rect.edgeRightDown.y = 0;
GetValidPositions(solution.BoardList[boardNrSorted[j]].RectList, rect, evolution);
// 2. horizontal
if (rect.height > rect.width)
{
int helper = rect.width;
rect.width = rect.height;
rect.height = helper;
}
rect.edgeLeftUp.x = 0;
rect.edgeLeftUp.y = rect.height;
rect.edgeRightDown.x = rect.width;
rect.edgeRightDown.y = 0;
GetValidPositions(solution.BoardList[boardNrSorted[j]].RectList, rect, evolution);
}
// select the best position of the valid ones
SelectBestPosition(evolution);
Boolean rectPlaced = false;
if (global.bestPositionSet == true)
{
// 1. show valid positions
// 2. show best position
// 3. place best position
rect.edgeLeftUp.x = global.bestPosition.edgeLeftUp.x;
rect.edgeLeftUp.y = global.bestPosition.edgeLeftUp.y;
rect.edgeRightDown.x = global.bestPosition.edgeRightDown.x;
rect.edgeRightDown.y = global.bestPosition.edgeRightDown.y;
solution.BoardList[boardNrSorted[j]].RectList.Add(rect);
//solution.BoardList[solution.BoardList.Count - 1].RectList.Remove(rect);
solution.BoardList[solution.BoardList.Count - 1].RectList.RemoveAt(i);
// ....
rectPlaced = true;
// show can't be called from here
if(!evolution)
{
// check for best solution and set if necessary
tools.CheckForBestSolution();
// show solution
Show show = new Show(global);
show.ShowSolution(global.solution);
}
}
// last rect tried?
if (solution.BoardList[solution.BoardList.Count - 1].RectList.Count == 0 ||
(solution.BoardList[solution.BoardList.Count - 1].RectList.Count - 1) < (evolution ? global.nextStepGreedyEvo : global.runningProcess.nextStep))
{
if(!evolution)
{
global.runningProcess.existing = false;
global.runningProcess.state = 0;
classificationNumbers.GetAndShowAllClassificationNumbers();
}
break;
}
if (rectPlaced)
{
if(!evolution)
{
global.runningProcess.state = 0;
classificationNumbers.GetAndShowAllClassificationNumbers();
}
break;
}
if (!rectPlaced)
{
if(!evolution)
{
global.runningProcess.nextStep++;
}
else
{
global.nextStepGreedyEvo++;
}
i++;
if ((solution.BoardList[solution.BoardList.Count - 1].RectList.Count - 1) < (evolution ? global.nextStepGreedyEvo : global.runningProcess.nextStep))
{
if(!evolution)
{
global.runningProcess.existing = false;
global.runningProcess.state = 0;
classificationNumbers.GetAndShowAllClassificationNumbers();
}
break;
}
}
}
if(!evolution && global.runningProcess.stepType == 0)
{
global.runningProcess.state = 0;
classificationNumbers.GetAndShowAllClassificationNumbers();
break;
}
}
if(!evolution)
{
global.runningProcess.state = 0;
classificationNumbers.GetAndShowAllClassificationNumbers();
}
return solution;
}
public List<int> CreateBoardRanking(Solution solution)
{
// list to be sorted from best to worst filled percentage
List<int> rankedList = new List<int>();
// list with index of each board
List<int> listAllBoards = new List<int>();
for(int i = 0; i < solution.BoardList.Count - 1; i++)
{
listAllBoards.Add(i);
}
while(listAllBoards.Count > 0)
{
int bestIndex = 0;
int bestIndexSolution = listAllBoards[bestIndex];
double bestValue = CalculateFilledPercentageBoard(solution.BoardList[0]);
for (int i = 0; i < listAllBoards.Count; i++)
{
if(CalculateFilledPercentageBoard(solution.BoardList[listAllBoards[i]]) > bestValue)
{
bestIndex = i;
bestIndexSolution = listAllBoards[bestIndex];
bestValue = CalculateFilledPercentageBoard(solution.BoardList[listAllBoards[i]]);
}
}
rankedList.Add(bestIndexSolution);
listAllBoards.RemoveAt(bestIndex);
}
return (rankedList);
}
public void ShowSolution(Solution solution)
{
ShowBoards(solution.BoardList, false);
ShowRects(solution.BoardList);
// set solution as contentToShow so it is shown everytime the display changes
global.contentToShow = "solution";
global.Verschnittoptimierung.buttonSelectView.Text = "Solution";
global.Verschnittoptimierung.buttonSelectView.Enabled = true;
global.Verschnittoptimierung.buttonSelectView.BackColor = Color.LawnGreen;
}