private void RemoveNodeButton_Click(object sender, EventArgs e)
{
ResetEventHandler();
layersPaintedControl.state_PainterForm_MouseDown = LayersPaintedControl.State_PainterForm_MouseDown.Other;
IPosition nearestPoint = new Position_Connected_Edit(0, 0);
PositionSetEdit_ImplementByICollectionTemplate positionSetEdit_ImplementByICollectionTemplate = new PositionSetEdit_ImplementByICollectionTemplate();
positionSetEdit_ImplementByICollectionTemplate.AddPosition(nearestPoint);
Layer_PositionSet_Square layer = new Layer_PositionSet_Square(positionSetEdit_ImplementByICollectionTemplate);
MouseMovedRealPosition = delegate(IPosition position)
{
positionSetEdit_ImplementByICollectionTemplate.RemovePosition(nearestPoint);
nearestPoint = m2m_NN.NearestNeighbor(position);
positionSetEdit_ImplementByICollectionTemplate.AddPosition(nearestPoint);
layer.SpringLayerRepresentationChangedEvent(layer);
layersPaintedControl.Invalidate();
};
layer.VisibleInOptDlg = false;
layer.Active = true;
layer.Name = "Edited Figure";
layer.SquareFrameDrawer.RectangleRadiusWidth = 8;
layer.SquareFrameDrawer.LineWidth = 1;
layer.SquareFrameDrawer.LineColor = Color.Red;
layer.CenterPointCoordinate.Visible = true;
layer.CenterPointCoordinate.CoordinateFont = new Font(layer.CenterPointCoordinate.CoordinateFont, FontStyle.Bold);
if (currentLayer != null)
{
layers.Remove(currentLayer);
}
currentLayer = layer;
layers.Add(layer);
MouseLBottonCheckRealPosition = delegate(IPosition position)
{
//((IPositionSetEdit)selectedPositionSetEdit).RemovePosition(nearestPoint);
if (selectedPositionSetEdit is IPositionSet_ConnectedEdit && nearestPoint is IPosition_Connected)
{
((IPositionSet_ConnectedEdit)selectedPositionSetEdit).RemovePosition_Connected((IPosition_Connected)nearestPoint);
}
else
if (selectedPositionSetEdit is IPositionSetEdit)
{
((IPositionSetEdit)selectedPositionSetEdit).RemovePosition(nearestPoint);
}
else
{
throw new Exception(error_position);
}
selectedPositionSetLayer.SpringLayerRepresentationChangedEvent(selectedPositionSetLayer);
m2m_NN.Remove(nearestPoint);
layersPaintedControl.Invalidate();
};
}
private void SelectBotton_Click(object sender, EventArgs e)
{
layersPaintedControl.state_PainterForm_MouseDown = LayersPaintedControl.State_PainterForm_MouseDown.onDaggle;
ResetEventHandler();
//layersPainterForm.state_PainterForm_MouseDown = LayersPainterForm.State_PainterForm_MouseDown.Other;
IPosition nearestPoint = new Position_Point(0, 0);
PositionSetEdit_ImplementByICollectionTemplate positionSetEdit_ImplementByICollectionTemplate = new PositionSetEdit_ImplementByICollectionTemplate();
positionSetEdit_ImplementByICollectionTemplate.AddPosition(nearestPoint);
Layer_PositionSet_Square layer = new Layer_PositionSet_Square(positionSetEdit_ImplementByICollectionTemplate);
MouseMovedRealPosition = delegate(IPosition position)
{
positionSetEdit_ImplementByICollectionTemplate.RemovePosition(nearestPoint);
nearestPoint = m2m_NN.NearestNeighbor(position);
positionSetEdit_ImplementByICollectionTemplate.AddPosition(nearestPoint);
layer.SpringLayerRepresentationChangedEvent(layer);
layersPaintedControl.Invalidate();
};
layer.VisibleInOptDlg = false;
layer.Active = true;
layer.Name = "Edited Figure";
layer.SquareFrameDrawer.RectangleRadiusWidth = 8;
layer.SquareFrameDrawer.LineWidth = 1;
layer.SquareFrameDrawer.LineColor = Color.YellowGreen;
layer.CenterPointCoordinate.Visible = true;
layer.CenterPointCoordinate.CoordinateFont = new Font(layer.CenterPointCoordinate.CoordinateFont, FontStyle.Bold);
//layer.Point.IsDrawPointBorder = true;
//layer.Point.PointColor = Color.Red;
//layer.Point.PointRadius = 3;
//layer.PointCoordinate.CoordinateFont = new Font(layer.PointCoordinate.CoordinateFont, FontStyle.Bold);
//layer.PointCoordinate.Visible = true;
if (currentLayer != null)
{
layers.Remove(currentLayer);
}
currentLayer = layer;
layers.Add(layer);
}
private void ShowLine()
{
IWriteLineInGridEngine writeLineInGridEngine = new Line2Block();
//IWriteLineInGridEngine writeLineInGridEngine = new Line2Block();
IPositionSet line = writeLineInGridEngine.WriteLineInGrid(configurationForWriteLineInGridAlgorithm.GridWidth,
configurationForWriteLineInGridAlgorithm.GridHeight,
configurationForWriteLineInGridAlgorithm.StartPosition,
configurationForWriteLineInGridAlgorithm.EndPosition);
painterDialog.Clear();
painterDialog.Layers.Add(new Layer_Grid(10, 10, configurationForWriteLineInGridAlgorithm.GridWidth,
configurationForWriteLineInGridAlgorithm.GridHeight, 0, 0));
IPositionSetEdit startAndEnd = new PositionSetEdit_ImplementByICollectionTemplate();
startAndEnd.AddPosition(configurationForWriteLineInGridAlgorithm.StartPosition);
startAndEnd.AddPosition(configurationForWriteLineInGridAlgorithm.EndPosition);
painterDialog.HoldOnMode();
painterDialog.SetShowModeToForm();
if (line != null)
{
Layer_PositionSet_Point layer = new Layer_PositionSet_Point(line);
layer.Point.PointRadius = 2;
layer.Point.PointColor = Color.Blue;
painterDialog.Layers.Add(layer);
}
Layer_PositionSet_Path layer2 = new Layer_PositionSet_Path((IPositionSet)startAndEnd);
layer2.PathLine.LineWidth = 2;
layer2.PathLine.LineColor = Color.Red;
painterDialog.Layers.Add(layer2);
painterDialog.Show();
}
/*
* public SimplePositionSet ConvexHull(SimplePositionSet ps)
* {
* int n = ps.GetCount();
* Point[] pts = new Point[n];
* for (int i = 0; i < n; i++)
* {
* SimplePosition pos = ps.GetNextPosition();
* pts[i] = new Point(pos.GetX(), pos.GetY());
* }
* Point[] resPts = _ConvexHull(pts);
* SimplePositionSet result = new SimplePositionSet();
* for (int i = 0; i < resPts.Length; i++)
* result.AddPosition(new SimplePosition(resPts[i].X, resPts[i].Y));
* return result;
* }
*/
public IPositionSet ConvexHull(IPositionSet ps)
{
//转换成数组
IPosition[] posArr = (IPosition[])ps.ToArray();
int N = posArr.Length;
//排序
Polysort.Quicksort(posArr);
IPosition left = posArr[0];
IPosition right = posArr[N - 1];
// Partition into lower hull and upper hull
CDLL lower = new CDLL(left), upper = new CDLL(left);
for (int i = 0; i < N; i++)
{
double det = Area2(left, right, posArr[i]);
if (det > 0)
{
upper = upper.Append(new CDLL(posArr[i]));
}
else if (det < 0)
{
lower = lower.Prepend(new CDLL(posArr[i]));
}
}
lower = lower.Prepend(new CDLL(right));
upper = upper.Append(new CDLL(right)).Next;
// Eliminate points not on the hull
eliminate(lower);
eliminate(upper);
// Eliminate duplicate endpoints 消除重复点
/*
* if (lower.Prev.val.Equals(upper.val))
* lower.Prev.Delete();
* if (upper.Prev.val.Equals(lower.val))
* upper.Prev.Delete();
* */
// Join the lower and upper hull
IPosition[] res = new IPosition[lower.Size() + upper.Size()];
lower.CopyInto(res, 0);
upper.CopyInto(res, lower.Size());
PositionSetEdit_ImplementByICollectionTemplate result = new PositionSetEdit_ImplementByICollectionTemplate();
for (int i = 0; i < res.Length - 1; i++)
{
result.AddPosition(res[i]);
}
return(result);
}
private void OnGetQueryPart(ILevel level, int levelSequence, IPart part)
{
lock (layers)
{
PositionSetEdit_ImplementByICollectionTemplate partSet = new PositionSetEdit_ImplementByICollectionTemplate();
partSet.AddPosition(part);
Layer_M2MPartSetInSpecificLevel layer = new Layer_M2MPartSetInSpecificLevel(level, partSet);
layer.MainColor = Color.FromArgb(255, 0, 0);
layer.Active = true;
layers.Add(layer);
}
flowControlerForm.BeginInvoke(Update);
flowControlerForm.SuspendAndRecordWorkerThread();
}
private PositionSetEdit_ImplementByICollectionTemplate getPoints2(Bitmap bmp)
{
PositionSetEdit_ImplementByICollectionTemplate ps = new PositionSetEdit_ImplementByICollectionTemplate();
for (int i = 0; i < bmp.Width; i++)
{
for (int j = 0; j < bmp.Height; j++)
{
if (bmp.GetPixel(i, j).Name != "ffffffff")
{
ps.AddPosition(new Position_Point(i, j));
}
}
}
return(ps);
}
private void OnGetQueryPosition(IPosition position)
{
lock (layers)
{
IPositionSetEdit temp = new PositionSetEdit_ImplementByICollectionTemplate();
temp.AddPosition(position);
Layer_PositionSet_Point queryPositionLayer = new Layer_PositionSet_Point(temp);
queryPositionLayer.Point.PointRadius = 3;
queryPositionLayer.Point.PointColor = Color.IndianRed;
queryPositionLayer.Point.IsDrawPointBorder = true;
queryPositionLayer.Active = true;
layers.Add(queryPositionLayer);
}
flowControlerForm.BeginInvoke(Update);
flowControlerForm.SuspendAndRecordWorkerThread();
}
public IPositionSet CollisionDetection(PositionSetEditSet bgPositionSet, IPositionSetEdit objPositionSet)
{
PreProcess(bgPositionSet);
float delta = 0;
while (true)
{
IPositionSetEdit obj = new PositionSetEdit_ImplementByICollectionTemplate();
objPositionSet.InitToTraverseSet();
while (objPositionSet.NextPosition())
{
obj.AddPosition(new Position_Point(objPositionSet.GetPosition().GetX(), objPositionSet.GetPosition().GetY() - delta));
}
Collide(obj);
delta += 0.2f;
}
return(null);
//return QueryConvexHull();
}
private PositionSetEdit_ImplementByICollectionTemplate testData()
{
int[] data =
{
100, 100,
100, 200,
200, 100,
200, 200,
200, 200
};
int n = data.Length / 2;
PositionSetEdit_ImplementByICollectionTemplate ps = new PositionSetEdit_ImplementByICollectionTemplate();
for (int i = 0; i < n; i++)
{
ps.AddPosition(new Position_Point(data[2 * i], data[2 * i + 1]));
}
return(ps);
}
private void AddDoubleConnectionButton_Click(object sender, EventArgs e)
{
selectedNode = null;
layersPaintedControl.state_PainterForm_MouseDown = LayersPaintedControl.State_PainterForm_MouseDown.onDaggle;
ResetEventHandler();
IPosition nearestPoint = new Position_Connected_Edit(0, 0);
PositionSetEdit_ImplementByICollectionTemplate positionSetEdit_ImplementByICollectionTemplate = new PositionSetEdit_ImplementByICollectionTemplate();
positionSetEdit_ImplementByICollectionTemplate.AddPosition(nearestPoint);
Layer_PositionSet_Square layer = new Layer_PositionSet_Square(positionSetEdit_ImplementByICollectionTemplate);
MouseMovedRealPosition = delegate(IPosition position)
{
positionSetEdit_ImplementByICollectionTemplate.RemovePosition(nearestPoint);
nearestPoint = m2m_NN.NearestNeighbor(position);
positionSetEdit_ImplementByICollectionTemplate.AddPosition(nearestPoint);
layer.SpringLayerRepresentationChangedEvent(layer);
layersPaintedControl.Invalidate();
};
layer.VisibleInOptDlg = false;
layer.Active = true;
layer.Name = "Edited Figure";
layer.SquareFrameDrawer.RectangleRadiusWidth = 8;
layer.SquareFrameDrawer.LineWidth = 1;
layer.SquareFrameDrawer.LineColor = Color.YellowGreen;
layer.CenterPointCoordinate.Visible = true;
layer.CenterPointCoordinate.CoordinateFont = new Font(layer.CenterPointCoordinate.CoordinateFont, FontStyle.Bold);
if (currentLayer != null)
{
layers.Remove(currentLayer);
}
currentLayer = layer;
layers.Add(layer);
MouseLBottonCheckRealPosition = delegate(IPosition position)
{
if (selectedNode == null)
{
selectedNode = nearestPoint;
positionSetEdit_ImplementByICollectionTemplate.AddPosition(selectedNode);
}
else
{
if (selectedNode != nearestPoint)
{
float x1 = selectedNode.GetX(), y1 = selectedNode.GetY(), x2 = nearestPoint.GetX(), y2 = nearestPoint.GetY();
float distance = (float)Math.Sqrt((x2 - x1) * (x2 - x1) + (y2 - y1) * (y2 - y1));
if (selectedNode is IPosition_Connected_Edit)
{
((IPosition_Connected_Edit)selectedNode).GetAdjacencyPositionSetEdit().AddAdjacency((IPosition_Connected)nearestPoint, distance);
}
else
{
throw new Exception(error_connection);
}
if (nearestPoint is IPosition_Connected_Edit)
{
((IPosition_Connected_Edit)nearestPoint).GetAdjacencyPositionSetEdit().AddAdjacency((IPosition_Connected)selectedNode, distance);
}
else
{
throw new Exception(error_connection);
}
positionSetEdit_ImplementByICollectionTemplate.RemovePosition(selectedNode);
selectedNode = null;
}
}
selectedPositionSetLayer.SpringLayerRepresentationChangedEvent(selectedPositionSetLayer);
layersPaintedControl.Invalidate();
};
}
public IPosition GetMouseDoubleChickedNearestPositionInCurrentPositionSet(IPositionSet currentPositionSet)
{
M2M_NN m2m_NN = new M2M_NN();
m2m_NN.PreProcess(currentPositionSet);
layersPaintedControl.state_PainterForm_MouseDown = LayersPaintedControl.State_PainterForm_MouseDown.onDaggle;
ResetEventHandler();
//layersPainterForm.state_PainterForm_MouseDown = LayersPainterForm.State_PainterForm_MouseDown.Other;
IPosition nearestPoint = new Position_Connected_Edit(0, 0);
PositionSetEdit_ImplementByICollectionTemplate positionSetEdit_ImplementByICollectionTemplate = new PositionSetEdit_ImplementByICollectionTemplate();
positionSetEdit_ImplementByICollectionTemplate.AddPosition(nearestPoint);
Layer_PositionSet_Square layer = new Layer_PositionSet_Square(positionSetEdit_ImplementByICollectionTemplate);
MouseMovedRealPosition = delegate(IPosition position)
{
positionSetEdit_ImplementByICollectionTemplate.RemovePosition(nearestPoint);
nearestPoint = m2m_NN.NearestNeighbor(position);
positionSetEdit_ImplementByICollectionTemplate.AddPosition(nearestPoint);
layer.SpringLayerRepresentationChangedEvent(layer);
layersPaintedControl.Invalidate();
};
layer.VisibleInOptDlg = false;
layer.Active = true;
layer.Name = "Edited Figure";
layer.SquareFrameDrawer.RectangleRadiusWidth = 8;
layer.SquareFrameDrawer.LineWidth = 1;
layer.SquareFrameDrawer.LineColor = Color.Red;
layer.CenterPointCoordinate.Visible = true;
layer.CenterPointCoordinate.CoordinateFont = new Font(layer.CenterPointCoordinate.CoordinateFont, FontStyle.Bold);
System.Threading.Thread currentThread = System.Threading.Thread.CurrentThread;
Position_Connected_Edit mouseChickedRealPosition = null;
IPosition nearestPositionInCurrentPositionSet = null;
this.BeginInvoke(new dShow(MessageBox.Show), new object[] { "please double chick on the screen." });
MouseDoubleChickOnLayersPaintedControl += delegate(object sender, MouseEventArgs e)
{
mouseChickedRealPosition = new Position_Connected_Edit();
mouseChickedRealPosition.SetX(layersPaintedControl.ConvertMouseXToRealX(e.X));
mouseChickedRealPosition.SetY(layersPaintedControl.ConvertMouseYToRealY(e.Y));
nearestPositionInCurrentPositionSet = m2m_NN.NearestNeighbor(mouseChickedRealPosition);
if ((currentThread.ThreadState & System.Threading.ThreadState.Suspended) == System.Threading.ThreadState.Suspended)
{
currentThread.Resume();
}
};
if (currentLayer != null)
{
layers.Remove(currentLayer);
}
currentLayer = layer;
layers.Add(layer);
currentThread.Suspend();
MouseDoubleChickOnLayersPaintedControl = null;
return(nearestPositionInCurrentPositionSet);
}
public static IPositionSet getBlockLine3(IPosition refPos, float itv0, IPosition startPos, IPosition endPos)
{
rX = refPos.GetX();
rY = refPos.GetY();
itv = itv0;
float sX = startPos.GetX();
float sY = startPos.GetY();
float eX = endPos.GetX();
float eY = endPos.GetY();
PositionSetEdit_ImplementByICollectionTemplate result = new PositionSetEdit_ImplementByICollectionTemplate();
if ((sX == eX) && (sY == eY))
{
return(result);
}
/*
* if (getM(sX) == getM(eX) && getN(sY) == getN(eY))
* {
* x = getM(sX) * itv + itv / 2 + rX;
* y = getN(sY) * itv + itv / 2 + rY;
* result.AddPosition(new SimplePosition(x, y));
* return result;
* }
*
* //斜率为0或无限大的情况
* else if (xDir == 0 || yDir == 0)
* {
* eX = getM(eX) * itv + itv / 2 + rX;
* eY = getN(eY) * itv + itv / 2 + rY;
* while ((eX - x) * xDir >= 0 && (eY - y) * yDir >= 0)
* {
* x = getM(x) * itv + itv / 2 + rX;
* y = getN(y) * itv + itv / 2 + rY;
* result.AddPosition(new SimplePosition(x, y));
* x += itv * xDir;
* y += itv * yDir;
* }
* return result;
* }
*/
int xDir = (eX > sX) ? 1 : (eX == sX) ? 0 : -1;
int yDir = (eY > sY) ? 1 : (eY == sY) ? 0 : -1;
//最简单的情况：一条线
if (getM(sX) == getM(eX) && getN(sY) == getN(eY))
{
float px = getM(sX) * itv + itv / 2 + rX;
float py = getN(sY) * itv + itv / 2 + rY;
result.AddPosition(new Position_Point(px, py));
}
else if (getM(sX) == getM(eX))
{
for (int i = getN(sY); (getN(eY) - i) * yDir >= 0; i += yDir)
{
float px = getM(sX) * itv + itv / 2 + rX;
float py = getN(sY) * itv + itv / 2 + rY;
result.AddPosition(new Position_Point(px, py));
}
}
else if (getN(sY) == getN(eY))
{
for (int i = getM(sX); (getM(eX) - i) * xDir >= 0; i += xDir)
{
float px = getM(sX) * itv + itv / 2 + rX;
float py = getN(sY) * itv + itv / 2 + rY;
result.AddPosition(new Position_Point(px, py));
}
}
//一般情况：斜线
float x = sX;
float y = sY;
float k = (eY - sY) / (eX - sX);
float nextX, nextY;
int offsetX = 0, offsetY = 0;
if (xDir > 0)
{
nextX = (getM(sX) + 1) * itv + rX;
}
else
{
nextX = getM(sX) * itv + rX;
}
if (yDir > 0)
{
nextY = (getN(sY) + 1) * itv + rY;
}
else
{
nextY = getN(sY) * itv + rY;
}
while ((eX - x) * xDir >= 0 || (eY - y) * yDir >= 0)
{
float px = (getM(x) + offsetX) * itv + itv / 2 + rX;
float py = (getN(y) + offsetY) * itv + itv / 2 + rY;
offsetX = offsetY = 0;
result.AddPosition(new Position_Point(px, py));
float dx = Math.Abs(nextX - x);
float dy = Math.Abs(nextY - y);
double dk = dy / dx;
if (dk > Math.Abs(k))
{
x = nextX;
if (xDir < 0)
{
offsetX = -1;
}
nextX += itv * xDir;
y = sY + (x - sX) * k;
}
else if (dk < Math.Abs(k))
{
y = nextY;
if (yDir < 0)
{
offsetY = -1;
}
nextY += itv * yDir;
x = sX + (y - sY) / k;
}
else
{
x = nextX;
y = nextY;
if (xDir < 0)
{
offsetX = -1;
}
if (yDir < 0)
{
offsetY = -1;
}
nextX += itv * xDir;
nextY += itv * yDir;
}
}
return(result);
}
private void AddNodeButton_Click(object sender, EventArgs e)
{
layersPaintedControl.state_PainterForm_MouseDown = LayersPaintedControl.State_PainterForm_MouseDown.Other;
IPosition currentPoint = new Position_Connected_Edit(0, 0);
PositionSetEdit_ImplementByICollectionTemplate positionSetEdit_ImplementByICollectionTemplate = new PositionSetEdit_ImplementByICollectionTemplate();
positionSetEdit_ImplementByICollectionTemplate.AddPosition(currentPoint);
Layer_PositionSet_Point layer = new Layer_PositionSet_Point(positionSetEdit_ImplementByICollectionTemplate);
MouseMovedRealPosition = delegate(IPosition position)
{
positionSetEdit_ImplementByICollectionTemplate.RemovePosition(currentPoint);
currentPoint = position;
positionSetEdit_ImplementByICollectionTemplate.AddPosition(currentPoint);
layer.SpringLayerRepresentationChangedEvent(layer);
layersPaintedControl.Invalidate();
};
layer.VisibleInOptDlg = false;
layer.Active = true;
layer.Name = "Edited Figure";
layer.Point.IsDrawPointBorder = true;
layer.Point.PointColor = Color.Red;
layer.Point.PointRadius = 3;
layer.PointCoordinate.CoordinateFont = new Font(layer.PointCoordinate.CoordinateFont, FontStyle.Bold);
layer.PointCoordinate.Visible = true;
if (currentLayer != null)
{
layers.Remove(currentLayer);
}
currentLayer = layer;
layers.Add(layer);
MouseLBottonCheckRealPosition = delegate(IPosition position)
{
//((IPositionSetEdit)selectedPositionSetEdit).AddPosition(position);
if (selectedPositionSetEdit is IPositionSet_ConnectedEdit && position is IPosition_Connected)
{
((IPositionSet_ConnectedEdit)selectedPositionSetEdit).AddPosition_Connected((IPosition_Connected)position);
}
else
if (selectedPositionSetEdit is IPositionSetEdit)
{
((IPositionSetEdit)selectedPositionSetEdit).AddPosition(position);
}
else
{
throw new Exception(error_position);
}
selectedPositionSetLayer.SpringLayerRepresentationChangedEvent(selectedPositionSetLayer);
if (m2m_NN.CanInsert(position))
{
m2m_NN.Insert(position);
}
else
{
m2m_NN.PreProcess(selectedPositionSetEdit);
selectedPositionSetLayer.SpringLayerMaxRectChangedEvent();
}
layersPaintedControl.Invalidate();
};
}
//求散点子集的凸包
private IPositionSet solveHelp(IPosition p1, IPosition p2, IPositionSet ps)
{
//求离p1，p2最远的点
ps.InitToTraverseSet();
if (!ps.NextPosition())
{
return(ps);
}
IPosition p3 = ps.GetPosition();
double p3_h = getH(p1, p2, p3);
PositionSetEdit_ImplementByICollectionTemplate rest = new PositionSetEdit_ImplementByICollectionTemplate();
while (ps.NextPosition())
{
IPosition pt = ps.GetPosition();
double pt_h = getH(p1, p2, pt);
if (pt_h > p3_h)
{
rest.AddPosition(p3);
p3 = pt;
p3_h = pt_h;
}
else
{
rest.AddPosition(pt);
}
}
//把散点分成几部分
PositionSetEdit_ImplementByICollectionTemplate leftpart = new PositionSetEdit_ImplementByICollectionTemplate();
PositionSetEdit_ImplementByICollectionTemplate rightpart = new PositionSetEdit_ImplementByICollectionTemplate();
PositionSetEdit_ImplementByICollectionTemplate p1set = new PositionSetEdit_ImplementByICollectionTemplate();
PositionSetEdit_ImplementByICollectionTemplate p2set = new PositionSetEdit_ImplementByICollectionTemplate();
ps = rest;
IPosition p11 = new Position_Point(2 * p2.GetX() - p1.GetX(), 2 * p2.GetY() - p1.GetY()); //p1关于p2的对称点
double leftangle = getAngle(p1, p2, p3);
double rightangle = getAngle(p2, p11, p3);
ps.InitToTraverseSet();
while (ps.NextPosition())
{
IPosition p = ps.GetPosition();
if (p.GetX() == p1.GetX() && p.GetY() == p1.GetY())
{
p1set.AddPosition(p);
}
else if (p.GetX() == p2.GetX() && p.GetY() == p2.GetY())
{
p2set.AddPosition(p);
}
else if (p.GetX() == p3.GetX() && p.GetY() == p3.GetY())
{
leftpart.AddPosition(p);
}
else
{
double a = getAngle(p1, p2, p);
if (a > leftangle)
{
leftpart.AddPosition(p);
}
a = getAngle(p2, p11, p);
if (a < rightangle)
{
rightpart.AddPosition(p);
}
}
}
//对子集求解
IPositionSet subResult1 = solveHelp(p1, p3, leftpart);
IPositionSet subResult2 = solveHelp(p3, p2, rightpart);
//合并各部分解
PositionSetEdit_ImplementByICollectionTemplate result = new PositionSetEdit_ImplementByICollectionTemplate();
p1set.InitToTraverseSet();
while (p1set.NextPosition())
{
result.AddPosition(p1set.GetPosition());
}
subResult1.InitToTraverseSet();
while (subResult1.NextPosition())
{
result.AddPosition(subResult1.GetPosition());
}
result.AddPosition(p3);
subResult2.InitToTraverseSet();
while (subResult2.NextPosition())
{
result.AddPosition(subResult2.GetPosition());
}
p2set.InitToTraverseSet();
while (p2set.NextPosition())
{
result.AddPosition(p2set.GetPosition());
}
return(result);
}
//求散点集的凸包
public IPositionSet ConvexHull(IPositionSet ps)
{
IPosition p1 = null;
IPosition p2 = null;
PositionSetEdit_ImplementByICollectionTemplate rest = new PositionSetEdit_ImplementByICollectionTemplate();
//找到最低点
/*
* p1 = pts[0];
* for (int i = 1; i < pts.Length; i++)
* {
* if (pts[i].Y < p1.Y || ( pts[i].Y == p1.Y && pts[i].X < p1.X) )
* {
* rest.Add(p1);
* p1 = pts[i];
* }
* else
* rest.Add(pts[i]);
* }
* */
ps.InitToTraverseSet();
if (ps.NextPosition())
{
p1 = ps.GetPosition();
}
while (ps.NextPosition())
{
p2 = ps.GetPosition();
if (p2.GetY() < p1.GetY() || (p2.GetY() == p1.GetY() && p2.GetX() < p1.GetX()))
{
rest.AddPosition(p1);
p1 = p2;
}
else
{
rest.AddPosition(p2);
}
}
rest.InitToTraverseSet();
//找到与最低点成角最小的点
/*
* int p2_i = 0;
* double p2_angle = getAngle(rest[0], p1);
* for (int i = 1; i < rest.Count; i++)
* {
* double angle_t = getAngle(rest[i], p1);
* if (angle_t < p2_angle || (angle_t == p2_angle && getDistance(p1, rest[i]) > getDistance(p1, rest[p2_i])) )
* {
* p2_i = i;
* p2_angle = angle_t;
* }
* }
* p2 = rest[p2_i];
* rest.RemoveAt(p2_i);
* */
ps = rest;
rest = new PositionSetEdit_ImplementByICollectionTemplate();
ps.InitToTraverseSet();
if (ps.NextPosition())
{
p2 = ps.GetPosition();
}
double p2_angle = getAngle(p2, p1);
while (ps.NextPosition())
{
IPosition pt = ps.GetPosition();
double angle_t = getAngle(pt, p1);
if (angle_t < p2_angle || (angle_t == p2_angle && getDistance(p1, pt) > getDistance(p1, p2)))
{
rest.AddPosition(p2);
p2 = pt;
p2_angle = angle_t;
}
else
{
rest.AddPosition(pt);
}
}
//求解剩余点
IPositionSet subResult = solveHelp(p1, p2, rest);
//组合成凸包
PositionSetEdit_ImplementByICollectionTemplate result = new PositionSetEdit_ImplementByICollectionTemplate();
result.AddPosition(p1);
/*
* foreach (Point p in subResult)
* result.Add(p);
* */
subResult.InitToTraverseSet();
while (subResult.NextPosition())
{
result.AddPosition(subResult.GetPosition());
}
result.AddPosition(p2);
return(result);
}
/// <summary>
/// 二维Line2Block实现
/// </summary>
/// <param name="gridWidth">格的宽度</param>
/// <param name="gridHeight">格的高度</param>
/// <param name="startPosition">线段开始点</param>
/// <param name="endPosition">线段终止点</param>
/// <returns>线段所经过的方块的中点坐标集合（不包括开始点和终止点所在的方块），如果是空集直接返回NULL</returns>
public IPositionSet WriteLineInGrid(float gridWidth, float gridHeight, IPosition startPosition, IPosition endPosition)
{
//归一化处理
float temp;
float endx = endPosition.GetX() / gridWidth;
float startx = startPosition.GetX() / gridWidth;
float endy = endPosition.GetY() / gridHeight;
float starty = startPosition.GetY() / gridHeight;
float dx = endx - startx;
float dy = endy - starty;
//如果两点在同一个方块里就返回空
if ((int)startx == (int)endx && (int)starty == (int)endy)
{
//positionSet.AddPosition(new Position_Point(((int)startx+0.5f)*gridWidth,((int)starty+0.5f)*gridHeight));
return(null);
}
PositionSetEdit_ImplementByICollectionTemplate positionSet = new PositionSetEdit_ImplementByICollectionTemplate();
if (Math.Abs(dx) > Math.Abs(dy))
{
//保证起点x坐标小于终点x坐标
if (startx > endx)
{
temp = startx; startx = endx; endx = temp;
temp = starty; starty = endy; endy = temp;
dx = -dx;
dy = -dy;
}
//添加起点所在的方块
//positionSet.AddPosition(new Position_Point(((int)startx + 0.5f) * gridWidth, ((int)starty + 0.5f) * gridHeight));
float slope = dy / dx;
float x = (int)startx + 1;
float y = (x - startx) * slope + starty;//算出第一个边界值
float oldy = y;
//添加可能出现的与起点所在分块同一列的方块
if ((int)y != (int)starty)
{
positionSet.AddPosition(new Position_Point(((int)x - 1 + 0.5f) * gridWidth, ((int)y + 0.5f) * gridHeight));
}
//迭代所有边界值
for (int i = 0; i < (int)endx - (int)startx - 1; i++)
{
oldy = y;
x += 1;
y += slope;
positionSet.AddPosition(new Position_Point(((int)x - 1 + 0.5f) * gridWidth, ((int)oldy + 0.5f) * gridHeight));
if ((int)oldy != (int)y)
{
positionSet.AddPosition(new Position_Point(((int)x - 1 + 0.5f) * gridWidth, ((int)y + 0.5f) * gridHeight));
}
}
//添加可能出现的与终点所在分块同一列的方块
if ((int)y != (int)endy)
{
positionSet.AddPosition(new Position_Point(((int)x + 0.5f) * gridWidth, ((int)y + 0.5f) * gridHeight));
}
}
else
{
//保证起点y坐标小于终点y坐标
if (starty > endy)
{
temp = startx; startx = endx; endx = temp;
temp = starty; starty = endy; endy = temp;
dx = -dx;
dy = -dy;
}
//添加起点所在的方块
//positionSet.AddPosition(new Position_Point(((int)startx + 0.5f) * gridWidth, ((int)starty + 0.5f) * gridHeight));
float slope = dx / dy;
float y = (int)starty + 1;
float x = (y - starty) * slope + startx;//算出第一个边界值
float oldx = x;
//添加可能出现的与终点所在分块同一行的方块
if ((int)x != (int)startx)
{
positionSet.AddPosition(new Position_Point(((int)x + 0.5f) * gridWidth, ((int)y - 1 + 0.5f) * gridHeight));
}
//迭代所有边界值
for (int i = 0; i < (int)endy - (int)starty - 1; i++)
{
oldx = x;
x += slope;
y += 1;
positionSet.AddPosition(new Position_Point(((int)oldx + 0.5f) * gridWidth, ((int)y - 1 + 0.5f) * gridHeight));
if ((int)oldx != (int)x)
{
positionSet.AddPosition(new Position_Point(((int)x + 0.5f) * gridWidth, ((int)y - 1 + 0.5f) * gridHeight));
}
}
//添加可能出现的与终点所在分块同一行的方块
if ((int)x != (int)endx)
{
positionSet.AddPosition(new Position_Point(((int)x + 0.5f) * gridWidth, ((int)y + 0.5f) * gridHeight));
}
}
return(positionSet.GetNum() == 0?null:positionSet);
}
public static IPositionSet getBlockLine2(IPosition refPos, float itv0, IPosition startPos, IPosition endPos)
{
rX = refPos.GetX();
rY = refPos.GetY();
itv = itv0;
float sX = startPos.GetX();
float sY = startPos.GetY();
float eX = endPos.GetX();
float eY = endPos.GetY();
PositionSetEdit_ImplementByICollectionTemplate result = new PositionSetEdit_ImplementByICollectionTemplate();
int xDir = (eX > sX) ? 1 : (eX == sX) ? 0 : -1;
int yDir = (eY > sY) ? 1 : (eY == sY) ? 0 : -1;
float x = sX;
float y = sY;
//结果只包含一个格
if (getM(sX) == getM(eX) && getN(sY) == getN(eY))
{
x = getM(sX) * itv + itv / 2 + rX;
y = getN(sY) * itv + itv / 2 + rY;
result.AddPosition(new Position_Point(x, y));
return(result);
}
//斜率为0或无限大的情况
else if (xDir == 0 || yDir == 0)
{
//eX = getM(eX) * itv + itv / 2 + rX;
//eY = getN(eY) * itv + itv / 2 + rY;
//while ((eX - x) * xDir >= 0 && (eY - y) * yDir >= 0)
//{
// x = getM(x) * itv + itv / 2 + rX;
// y = getN(y) * itv + itv / 2 + rY;
// result.AddPosition(new SimplePosition(x, y));
// x += itv * xDir;
// y += itv * yDir;
//}
while ((eX - x) * xDir >= 0 && (eY - y) * yDir >= 0)
{
result.AddPosition(new Position_Point(getM(x) * itv + itv / 2 + rX, getN(y) * itv + itv / 2 + rY));
if (eX % itv == 0 && xDir == 0)
{
result.AddPosition(new Position_Point(getM(x - itv / 2) * itv + itv / 2 + rX, getN(y) * itv + itv / 2 + rY));
}
if (eY % itv == 0 && yDir == 0)
{
result.AddPosition(new Position_Point(getM(x) * itv + itv / 2 + rX, getN(y - itv / 2) * itv + itv / 2 + rY));
}
x += itv * xDir;
y += itv * yDir;
}
return(result);
}
//斜率不为0且不为无限大的情况
float k = (eY - sY) / (eX - sX);
//float nextX, nextY;
//if (xDir > 0)
// nextX = (getM(sX) + 1) * itv + rX;
//else
// nextX = getM(sX) * itv + rX - MIN_ITV;
//if (yDir > 0)
// nextY = (getN(sY) + 1) * itv + rY;
//else
// nextY = getN(sY) * itv + rY - MIN_ITV;
//while ((eX - x) * xDir >= 0 || (eY - y) * yDir >= 0)
//{
// float px = getM(x) * itv + itv / 2 + rX;
// float py = getN(y) * itv + itv / 2 + rY;
// result.AddPosition(new SimplePosition(px, py));
// float dx = Math.Abs(nextX - x);
// float dy = Math.Abs(nextY - y);
// double dk = dy / dx;
// if (dk > Math.Abs(k))
// {
// x = nextX;
// nextX += itv * xDir;
// y = sY + (x - sX) * k;
// }
// else if (dk < Math.Abs(k))
// {
// y = nextY;
// nextY += itv * yDir;
// x = sX + (y - sY) / k;
// }
// else
// {
// x = nextX;
// y = nextY;
// nextX += itv * xDir;
// nextY += itv * yDir;
// }
//}
//xDir>0 yDir>0
///找出所有边境交点
int sxx = getM(sX);
int exx = getM(eX);
int syy = getN(sY);
int eyy = getN(eY);
List <Position_Point> pointList = new List <Position_Point>();
if (xDir > 0)
{
for (int i = 0; i + sxx < exx + 1; i++)
{
float xx = (i + sxx) * itv + rX;
float yy = k * xx + (eY - k * eX);
pointList.Add(new Position_Point(xx, yy));
}
}
else
{
for (int i = 0; i + exx < sxx + 1; i++)
{
float xx = (i + exx) * itv + rX;
float yy = k * xx + (eY - k * eX);
pointList.Add(new Position_Point(xx, yy));
}
}
if (yDir > 0)
{
for (int i = 0; i + syy < eyy + 1; i++)
{
float yy = (i + syy) * itv + rY;
float xx = (yy - (eY - k * eX)) / k;
pointList.Add(new Position_Point(xx, yy));
}
}
else
{
for (int i = 0; i + eyy < syy + 1; i++)
{
float yy = (i + eyy) * itv + rY;
float xx = (yy - (eY - k * eX)) / k;
pointList.Add(new Position_Point(xx, yy));
}
}
pointList.Sort(new pointXcomparer());
for (int i = 1; i < pointList.Count; i++)
{
Position_Point p1 = pointList[i - 1];
Position_Point p2 = pointList[i];
//把两个交点的中点添加进去
float px = getM((p1.GetX() + p2.GetX()) / 2) * itv + itv / 2 + rX;
float py = getN((p1.GetY() + p2.GetY()) / 2) * itv + itv / 2 + rY;
result.AddPosition(new Position_Point(px, py));
if (i == pointList.Count - 1)
{
if (eX % itv == 0)
{
px = getM(eX + (itv / 2)) * itv + itv / 2 + rX;
py = getN(eY) * itv + itv / 2 + rY;
result.AddPosition(new Position_Point(px, py));
px = getM(eX - (itv / 2)) * itv + itv / 2 + rX;
result.AddPosition(new Position_Point(px, py));
}
if (eY % itv == 0)
{
px = getM(eX) * itv + itv / 2 + rX;
py = getN(eY + (itv / 2)) * itv + itv / 2 + rY;
result.AddPosition(new Position_Point(px, py));
py = getN(eY - (itv / 2)) * itv + itv / 2 + rY;
result.AddPosition(new Position_Point(px, py));
}
}
else if (i == 0)
{
if (sX % itv == 0)
{
px = getM(sX + (itv / 2)) * itv + itv / 2 + rX;
py = getN(sY) * itv + itv / 2 + rY;;
result.AddPosition(new Position_Point(px, py));
px = getM(sX - (itv / 2)) * itv + itv / 2 + rX;
result.AddPosition(new Position_Point(px, py));
}
if (sY % itv == 0)
{
px = getM(sX) * itv + itv / 2 + rX;
py = getN(sY + (itv / 2)) * itv + itv / 2 + rY;
result.AddPosition(new Position_Point(px, py));
py = getN(sY - (itv / 2)) * itv + itv / 2 + rY;
result.AddPosition(new Position_Point(px, py));
}
}
if (p1.GetX() == p2.GetX() && p1.GetY() == p2.GetY())
{
px = p1.GetX();
py = p2.GetY();
result.AddPosition(new Position_Point(px - itv / 2, py + itv / 2));
result.AddPosition(new Position_Point(px - itv / 2, py - itv / 2));
result.AddPosition(new Position_Point(px + itv / 2, py - itv / 2));
result.AddPosition(new Position_Point(px + itv / 2, py + itv / 2));
}
}
return(result);
}
public void PreProcess(PositionSetEditSet pointList)
{
#region code for algorithm demo
if (GetPositionSetToGetConvexHull != null)
{
GetPositionSetToGetConvexHull(pointList);
}
#endregion
//请在这里改变不同的m2mStructure实现。
M2MSCreater_ForGeneralM2MStruture m2m_Creater_ForGeneralM2MStruture = new M2MSCreater_ForGeneralM2MStruture();
m2mStructure = m2m_Creater_ForGeneralM2MStruture.CreateAutomatically(pointList, levelNum);
PositionSetEdit_ImplementByICollectionTemplate positionSet = new PositionSetEdit_ImplementByICollectionTemplate();
ILevel bottomLevel = m2mStructure.GetLevel(m2mStructure.GetLevelNum() - 1);
for (int i = 0; i < pointList.GetPositionSetNum(); i++)
{
IPosition start = new Position_Point();
IPosition end = new Position_Point();
IPosition first = new Position_Point();
IPositionSet positionListTemp = pointList.GetNthPositionSet(i);
positionListTemp.InitToTraverseSet();
if (positionListTemp.NextPosition())
{
start = new Position_Point(bottomLevel.ConvertRealValueToRelativeValueX(positionListTemp.GetPosition().GetX()), bottomLevel.ConvertRealValueToRelativeValueY(positionListTemp.GetPosition().GetY()));
first = start;
positionSet.AddPosition(start);
}
while (positionListTemp.NextPosition())
{
end = new Position_Point(bottomLevel.ConvertRealValueToRelativeValueX(positionListTemp.GetPosition().GetX()), bottomLevel.ConvertRealValueToRelativeValueY(positionListTemp.GetPosition().GetY()));
IPositionSet positionSetTemp = writeLineInGridEngine.WriteLineInGrid(bottomLevel.GetGridWidth(), bottomLevel.GetGridHeight(), start, end);
if (positionSetTemp != null)
{
positionSetTemp.InitToTraverseSet();
while (positionSetTemp.NextPosition())
{
positionSet.AddPosition(positionSetTemp.GetPosition());
}
}
start = end;
positionSet.AddPosition(start);
}
IPositionSet positionSetTemp2 = writeLineInGridEngine.WriteLineInGrid(bottomLevel.GetGridWidth(), bottomLevel.GetGridHeight(), end, first);
if (positionSetTemp2 != null)
{
positionSetTemp2.InitToTraverseSet();
while (positionSetTemp2.NextPosition())
{
positionSet.AddPosition(positionSetTemp2.GetPosition());
}
}
}
m2mStructure.Preprocessing(positionSet);
#region code for algorithm demo
if (GetM2MStructure != null)
{
GetM2MStructure(m2mStructure);
}
#endregion
}
private void button1_Click(object sender, EventArgs e)
{
IConvexHullEngine convexhull;
int n;
switch (comboBox1.SelectedIndex)
{
case 0:
convexhull = new GrahamScan();
break;
case 1:
//convexhull = new QuickHull();
convexhull = new M2M_CH();
break;
default:
return;
}
try
{
n = Int32.Parse(textBox1.Text);
}
catch (Exception)
{
return;
}
//Point[] ps = new Point[n];
PositionSetEdit_ImplementByICollectionTemplate ps = new PositionSetEdit_ImplementByICollectionTemplate();
Random r = new Random(DateTime.Now.Millisecond);
//if (true)
{
int minx = (int)(pb.Width * 0.05);
int miny = (int)(pb.Height * 0.05);
for (int i = 0; i < n; i++)
{
int x = r.Next(minx, pb.Width - minx);
int y = r.Next(miny, pb.Height - miny);
//ps[i] = new Point(x, y);
ps.AddPosition(new Position_Point(x, y));
System.Console.Write(x);
System.Console.Write(",");
System.Console.Write(y);
System.Console.WriteLine(",");
}
System.Console.WriteLine();
}
//else
//{
// ps = testData();
//}
IPositionSet convexPoints = convexhull.ConvexHull(ps);
pb.Image = new Bitmap(pb.Width, pb.Height);
Graphics g = Graphics.FromImage(pb.Image);
convexPoints.InitToTraverseSet();
g.Clear(Color.White);
/*
* for (int i = 0; i < ps.Length; i++)
* {
* g.FillEllipse(Brushes.Black, ps[i].X - 2, pb.Height - ps[i].Y - 2, 4, 4);
* g.DrawString("(" + ps[i].X + "," + ps[i].Y + ")", Font, Brushes.Blue, ps[i].X, pb.Height - ps[i].Y);
* }
* for (int i = 0; i < convexPoints.Length; i++)
* {
* if (i != convexPoints.Length - 1)
* g.DrawLine(new Pen(Color.Green), new PointF(convexPoints[i].X, pb.Height - convexPoints[i].Y), new PointF(convexPoints[i + 1].X, pb.Height - convexPoints[i + 1].Y));
* else
* {
* g.DrawLine(new Pen(Color.Green), new PointF(convexPoints[i].X, pb.Height - convexPoints[i].Y), new PointF(convexPoints[0].X, pb.Height - convexPoints[0].Y));
* }
* }
* */
ps.InitToTraverseSet();
IPosition p = ps.GetPosition();
while (p != null)
{
g.FillEllipse(Brushes.Black, p.GetX() - 2, pb.Height - p.GetY() - 2, 4, 4);
g.DrawString("(" + p.GetX() + "," + p.GetY() + ")", Font, Brushes.Blue, p.GetX(), pb.Height - p.GetY());
p = ps.GetPosition();
}
IPosition p1 = convexPoints.GetPosition();
IPosition p2 = convexPoints.GetPosition();
while (p2 != null)
{
g.DrawLine(new Pen(Color.Green), new PointF(p1.GetX(), pb.Height - p1.GetY()), new PointF(p2.GetX(), pb.Height - p2.GetY()));
p1 = p2;
p2 = convexPoints.GetPosition();
}
convexPoints.InitToTraverseSet();
p2 = convexPoints.GetPosition();
g.DrawLine(new Pen(Color.Green), new PointF(p1.GetX(), pb.Height - p1.GetY()), new PointF(p2.GetX(), pb.Height - p2.GetY()));
}
private void button1_Click(object sender, EventArgs e)
{
M2M_CD M2M_CD = new M2M_CD();
new ConfiguratedByForm(M2M_CD);
//以下代码必须在UI线程中调用，即不能在另开的线程中调用
LayersExOptDlg layers = new LayersExOptDlg();
LayersPainterForm layersPainterForm = new LayersPainterForm(layers);
LayersPaintedControl layersPaintedControl = layersPainterForm.LayersPaintedControl;
LayersEditedControl layersEditedControl = new LayersEditedControl();
layersEditedControl.Dock = DockStyle.Top;
layersEditedControl.LayersPaintedControl = layersPaintedControl;
layersPainterForm.Controls.Add(layersEditedControl);
FlowControlerForm flowControlerForm = new FlowControlerForm();
layersPainterForm.Show();
flowControlerForm.Show(layersPainterForm);
//新建或外部传入待演示对象
//打开一个Worker线程来进行算法流程的演示（否则会阻塞UI线程以至于演示不能进行）
IAsyncResult result = new dDemoProcess(delegate
{
//产生随机点集：
/*
* RandomPositionSet_InFixedDistribution randomPositionSet_InFixedDistribution = new RandomPositionSet_InFixedDistribution();
* randomPositionSet_InFixedDistribution.PointNum = 1000;
* randomPositionSet_InFixedDistribution.DistributionStyle = distributionStyle.ClusterGaussianDistribution;
* new ConfiguratedByForm(randomPositionSet_InFixedDistribution);
* randomPositionSet_InFixedDistribution.Produce();
*
* //编辑点集
* Layer_PositionSet_Point layer = new Layer_PositionSet_Point(randomPositionSet_InFixedDistribution);
* layer.EditAble = true;
* layer.Point.PointColor = Color.Yellow;
* layer.Point.PointRadius = 2;
* layer.Point.IsDrawPointBorder = true;
* layers.Add(layer);
* layersPainterForm.Invalidate();
* flowControlerForm.SuspendAndRecordWorkerThread();
* layers.Remove(layer);
* */
///////////////////////////////////////
//GetRandomPositionFromPositionSetRectangle getRandomPositionFromPositionSetRectangle
//= new GetRandomPositionFromPositionSetRectangle(randomPositionSet_InFixedDistribution);
////对m2m_NN算法进行演示：
////为对象的事件添加事件响应，以进行算法演示
//AlgorithmDemo_M2M_NN algorithmDemo_M2M_NN = new AlgorithmDemo_M2M_NN(m2m_NN, layers, flowControlerForm, layersPaintedControl.Invalidate);
////以下代码与非演示状态一样。
//m2m_NN.PreProcess(randomPositionSet_InFixedDistribution);
//m2m_NN.NearestNeighbor(layersPaintedControl.GetMouseDoubleChickedRealPosition());
//while (true)
//{
// for (int i = layers.Count - 1; i >= 0; i--)
// {
// if ((layers[i].Name != "M2MStructure") && (layers[i].Name != "PositionSetOfComparedPoint"))
// {
// layers.Remove(layers[i]);
// }
// }
// m2m_NN.NearestNeighbor(getRandomPositionFromPositionSetRectangle.Get());
//}
////结束演示（解除事件响应的绑定）
//algorithmDemo_M2M_NN.EndDemo();
///////////////////////////////////////
//对M2M_CD算法进行演示：
//为对象的事件添加事件响应，以进行算法演示
PositionSetEditSet polygonSet = new PositionSetEditSet();
IPositionSetEdit polygon = new PositionSetEdit_ImplementByICollectionTemplate();
polygon.AddPosition(new Position_Point(40, 40));
polygon.AddPosition(new Position_Point(50, 10));
polygon.AddPosition(new Position_Point(100, 70));
IPositionSetEdit polygon2 = new PositionSetEdit_ImplementByICollectionTemplate();
polygon2.AddPosition(new Position_Point(0, 0));
polygon2.AddPosition(new Position_Point(20, 20));
polygon2.AddPosition(new Position_Point(21, 12));
IPositionSetEdit polygon3 = new PositionSetEdit_ImplementByICollectionTemplate();
polygon3.AddPosition(new Position_Point(60, 60));
polygon3.AddPosition(new Position_Point(62, 60));
polygon3.AddPosition(new Position_Point(62, 56));
polygon3.AddPosition(new Position_Point(64, 56));
polygon3.AddPosition(new Position_Point(61, 52));
polygon3.AddPosition(new Position_Point(58, 56));
polygon3.AddPosition(new Position_Point(60, 56));
polygonSet.AddPositionSet(polygon);
polygonSet.AddPositionSet(polygon2);
//polygonSet.AddPositionSet(polygon3);
AlgorithmDemo_M2M_CD algorithmDemo_M2M_CD = new AlgorithmDemo_M2M_CD(M2M_CD, layers, flowControlerForm, layersPaintedControl.Invalidate);
while (true)
{
layers.Clear();
//以下代码与非演示状态一样。
//M2M_CD.ConvexHull(randomPositionSet_InFixedDistribution.Produce());
Layer_PositionSet_Polygon layer = new Layer_PositionSet_Polygon(polygon);
Layer_PositionSet_Polygon layer2 = new Layer_PositionSet_Polygon(polygon2);
layers.Add(layer);
layers.Add(layer2);
M2M_CD.CollisionDetection(polygonSet, polygon3);
}
//结束演示（解除事件响应的绑定）
algorithmDemo_M2M_CD.EndDemo();
}).BeginInvoke(null, null);
}
public static IPositionSet getBlockLine(IPosition refPos, float itv0, IPosition startPos, IPosition endPos)
{
rX = refPos.GetX();
rY = refPos.GetY();
itv = itv0;
float sX = startPos.GetX();
float sY = startPos.GetY();
float eX = endPos.GetX();
float eY = endPos.GetY();
PositionSetEdit_ImplementByICollectionTemplate result = new PositionSetEdit_ImplementByICollectionTemplate();
//判断起点终点是否相同
if ((sX == eX) && (sY == eY))
{
return(result);
}
//判断起点终点横坐标是否相同
//判断起点终点纵坐标是否相同
int xDir = (eX > sX) ? 1 : (eX == sX) ? 0 : -1;
int yDir = (eY > sY) ? 1 : (eY == sY) ? 0 : -1;
//最简单的情况：一条线
if (getM(sX) == getM(eX) && getN(sY) == getN(eY))
{
float px = getM(sX) * itv + itv / 2 + rX;
float py = getN(sY) * itv + itv / 2 + rY;
result.AddPosition(new Position_Point(px, py));
}
else if (getM(sX) == getM(eX))
{
for (int i = getN(sY); (getN(eY) - i) * yDir >= 0; i += yDir)
{
float px = getM(sX) * itv + itv / 2 + rX;
float py = getN(sY) * itv + itv / 2 + rY;
result.AddPosition(new Position_Point(px, py));
}
}
else if (getN(sY) == getN(eY))
{
for (int i = getM(sX); (getM(eX) - i) * xDir >= 0; i += xDir)
{
float px = getM(sX) * itv + itv / 2 + rX;
float py = getN(sY) * itv + itv / 2 + rY;
result.AddPosition(new Position_Point(px, py));
}
}
//一般情况：斜线
float x = sX;
float y = sY;
float k = (eY - sY) / (eX - sX);
float nextX, nextY;
int offsetX = 0, offsetY = 0;
if (xDir > 0)
{
nextX = (getM(sX) + 1) * itv + rX;
}
else
{
nextX = getM(sX) * itv + rX;
}
if (yDir > 0)
{
nextY = (getN(sY) + 1) * itv + rY;
}
else
{
nextY = getN(sY) * itv + rY;
}
while ((eX - x) * xDir >= 0 || (eY - y) * yDir >= 0)
{
float px = (getM(x) + offsetX) * itv + itv / 2 + rX;
float py = (getN(y) + offsetY) * itv + itv / 2 + rY;
offsetX = offsetY = 0;
result.AddPosition(new Position_Point(px, py));
float dx = Math.Abs(nextX - x);
float dy = Math.Abs(nextY - y);
double dk = dy / dx;
if (dk > Math.Abs(k))
{
x = nextX;
if (xDir < 0)
{
offsetX = -1;
}
nextX += itv * xDir;
y = sY + (x - sX) * k;
}
else if (dk < Math.Abs(k))
{
y = nextY;
if (yDir < 0)
{
offsetY = -1;
}
nextY += itv * yDir;
x = sX + (y - sY) / k;
}
else
{
x = nextX;
y = nextY;
if (xDir < 0)
{
offsetX = -1;
}
if (yDir < 0)
{
offsetY = -1;
}
nextX += itv * xDir;
nextY += itv * yDir;
}
}
IList <IPosition> poslist = result.ToIlist();
//去掉重复点
for (int i = 0; i < poslist.Count - 1;)
{
if (poslist[i].GetX() == poslist[i + 1].GetX() && poslist[i].GetY() == poslist[i + 1].GetY())
{
poslist.RemoveAt(i + 1);
}
else
{
i++;
}
}
//去掉两个端点
poslist.RemoveAt(0);
poslist.RemoveAt(poslist.Count - 1);
return(result);
}