private void BuildWebNode(int a, int b, int c) { Point2D point = this.Polygon.GetPoint(a); if (this.GetArea(b, c, point.X, point.Y) < 0) { int tmp; tmp = b; b = c; c = tmp; } //Debug.Assert(this.GetArea(b, c, point.X, point.Y ) >= 0); //if (this.GetArea(b, c, point.X, point.Y) < 0) //{ // this.available = false; // return; //} if (webNodes[a] == null) { webNodes[a] = new WebNode(b, c, a); } else { webNodes[a].Add(new WebNode(b, c, a)); } }
private double[] GetValue(int index) { double[] d = new double[8]; WebNode Router = this.webNodes[index]; int count = 0; while (Router != null) { Point2D p1 = this.Polygon.GetPoint(Router.firstIndex); Point2D p2 = this.Polygon.GetPoint(Router.secondIndex); double dx = p2.X - p1.X; double dy = p1.Y - p2.Y; d[0] += dx; // x2 - x1; d[1] += dy; // y1 - y2; d[2] += dx * dx; d[3] += dy * dy; d[4] += dx * dy; d[5] += (p1.X * p2.Y - p2.X * p1.Y) * dy; d[6] += (p1.X * p2.Y - p2.X * p1.Y) * dx; d[7] += this.GetArea(Router.firstIndex, Router.secondIndex, 0.0, 0.0); Router = Router.Next; count++; } d[7] /= count; return(d); }
public WebNode(int x, int y, int index) { vertexIndex = index; firstIndex = x; secondIndex = y; Next = null; Last = this; }
private bool isRegular(int index, Point2D point) { WebNode Router = this.webNodes[index]; while (Router != null) { if (this.GetArea(Router.firstIndex, Router.secondIndex, point.X, point.Y) < GhostWeb.AreaTolerance) { return(false); } Router = Router.Next; } return(true); }
private double GetPolygonArea(int index) { double d = 0.0; WebNode Router = this.webNodes[index]; int count = 0; while (Router != null) { d += this.GetArea(Router.firstIndex, Router.secondIndex, 0.0, 0.0); Router = Router.Next; count++; } return(d / count); }
public void Fitting() { GhostWeb ghostWeb = new GhostWeb(this.sourcePolygon, this.ghostTriangles); Vector[] vectors = new Vector[this.sourcePolygon.PointCount]; for (int i = 0; i < vectors.Length; i++) { vectors[i] = new Vector(vectors.Length); vectors[i][i] = 1; if (i < this.sourcePolygon.VertexCount || this.sourcePolygon.isOnEdge(this.sourcePolygon.GetPoint(i))) { continue; } else { vectors[i][i] = 0; WebNode webNode = ghostWeb.webNodes[i]; while (webNode != null) { vectors[i][i]++; vectors[i][webNode.firstIndex] = -1; vectors[i][webNode.secondIndex] = -1; webNode = webNode.Next; } } } Vector valx = new Vector(this.sourcePolygon.PointCount); Vector valy = new Vector(this.sourcePolygon.PointCount); for (int i = 0; i < this.targetPolygon.VertexCount; i++) { valx[i] = this.targetPolygon.GetPoint(i).X; valy[i] = this.targetPolygon.GetPoint(i).Y; } for (int i = this.sourcePolygon.VertexCount; i < this.sourcePolygon.PointCount; i++) { Point2D point = this.sourcePolygon.GetPoint(i); if (this.sourcePolygon.isOnEdge(point)) { int x = this.sourcePolygon.OnEdge(point); LineSegment2D line = this.sourcePolygon.GetEdge(x); double pos = line.GetPosition(point); line = this.targetPolygon.GetEdge(x); Point2D newPoint = line.GetPoint(pos); valx[i] = newPoint.X; valy[i] = newPoint.Y; } } Matrix m = new Matrix(vectors).Translate(); UpdateStatus(this, "Constructing..."); LinearSystem lsx = new LinearSystem(new Matrix(m), valx); UpdateStatus(this, "Done"); lsx.UpdateStatus += new Microsoft.VS.Akira.Triangulations.LinearSystem.ShowStatus(UpdateStatus); lsx.Gaussian(this.sourcePolygon.VertexCount); LinearSystem lsy = new LinearSystem(new Matrix(m), valy); lsy.UpdateStatus += new Microsoft.VS.Akira.Triangulations.LinearSystem.ShowStatus(UpdateStatus); lsy.Gaussian(this.sourcePolygon.VertexCount); Polygon2DEditor pe = new Polygon2DEditor(this.targetPolygon); UpdateStatus(this, "AddInner.."); for (int i = this.sourcePolygon.VertexCount; i < this.sourcePolygon.PointCount; i++) { Point2D point = new Point2D(lsx.Value[i], lsy.Value[i]); pe.AddInnerPoint(point); } UpdateStatus(this, "Done"); }
public void Add(WebNode webNode) { Last.Next = webNode; Last = webNode; }
public WebNode(int x, int y, int index) { vertexIndex = index; firstIndex = x; secondIndex = y; Next = null; Last = this; }
private void BuildWebNode(int a, int b, int c) { Point2D point = this.Polygon.GetPoint(a); if (this.GetArea(b, c, point.X, point.Y) < 0) { int tmp; tmp = b; b = c; c = tmp; } //Debug.Assert(this.GetArea(b, c, point.X, point.Y ) >= 0); //if (this.GetArea(b, c, point.X, point.Y) < 0) //{ // this.available = false; // return; //} if (webNodes[a] == null) { webNodes[a] = new WebNode(b, c, a); } else { webNodes[a].Add(new WebNode(b, c, a)); } }
public void Add(WebNode webNode) { Last.Next = webNode; Last = webNode; }