void RefreshNormals() { Normals = new Loxyz(); Normals.Count = Bounds.Count; DrawPoints = new Loxyz(); DrawPoints.Count = ParamCurves.Count; if (!DrawRelativToSurfaceBase) { for (int i = 0; i < Bounds.Count; i++) { EdgeLoop EL = Bounds[i]; for (int k = 0; k < EL.Count; k++) { Edge E = EL[k]; DrawPoints[i].Add(E.EdgeStart.Value); } } } for (int i = 0; i < ParamCurves.Count; i++) { xyArray A = ParamCurves[i].getxyArrayClosed(false); if (DrawRelativToSurfaceBase) { DrawPoints[i] = A.ToxyzArray(); } int ct = 0; for (int t = 0; t < ParamCurves[i].Count; t++) { ct = ct + ParamCurves[i][t].Resolution; } xyzArray NormalsLoop = new xyzArray(ct); Normals[i] = NormalsLoop; int id = 0; for (int j = 0; j < ParamCurves[i].Count; j++) { List <Face> L = GetFaces(this, i, j); Edge E = Bounds[i][j]; if (L == null) { Normals = null; DrawPoints = null; return; } double SmoothAngle = Parent.SmoothAngle; xyz N = Surface.Normal(0, 0).normalized(); xyz N1 = Surface.Normal(0, 0).normalized(); for (int k = 0; k < L.Count; k++) { if (System.Math.Abs((N1 * L[k].Surface.Normal(0, 0).normalized())) > System.Math.Cos(SmoothAngle)) { N = N + L[k].Surface.Normal(0, 0).normalized(); } } N = N.normalized(); if (DrawRelativToSurfaceBase) { Matrix M = Surface.Base.ToMatrix().invert(); N = M * N - M * new xyz(0, 0, 0); } NormalsLoop[id] = N; id++; } } }
/// <summary> /// activates a <b>CatMull</b> division. /// </summary> public void CatMull() { for (int i = 0; i < VertexList.Count; i++) { Vertex3d V = VertexList[i]; V.Tag = new SubDivisionDescriptor(); } for (int i = 0; i < FaceList.Count; i++) { Face F = FaceList[i]; F.DrawRelativToSurfaceBase = false; int n = 0; for (int j = 0; j < F.Bounds.Count; j++) { xyz subDivCenter = new xyz(0, 0, 0); EdgeLoop EL = F.Bounds[j]; for (int k = 0; k < EL.Count; k++) { n++; Edge E = EL[k]; subDivCenter = subDivCenter + E.EdgeStart.Value; } F.Tag = subDivCenter * (1f / (float)EL.Count); } } for (int i = 0; i < FaceList.Count; i++) { Face F = FaceList[i]; int n = 0; for (int j = 0; j < F.Bounds.Count; j++) { EdgeLoop EL = F.Bounds[j]; for (int k = 0; k < EL.Count; k++) { n++; Edge E = EL[k]; Face Neighbor = null; if (E.SameSense) { Neighbor = E.EdgeCurve.Neighbors[1] as Face; } else { Neighbor = E.EdgeCurve.Neighbors[0] as Face; } E.Tag = ((xyz)(E.EdgeCurve.Neighbors[1] as Face).Tag + (xyz)(E.EdgeCurve.Neighbors[0] as Face).Tag + E.EdgeStart.Value + E.EdgeEnd.Value) * (1f / 4f); // Mittelwert der Facepunkte und der Anfangs und Endpunkte im Tag speichern // E.Tag = ((xyz)F.Tag + (xyz)Neighbor.Tag + E.EdgeStart.Value + E.EdgeEnd.Value) * 0.25; // // den Descriptor im Vertex E.EdgeEnd.Tag updaten SubDivisionDescriptor SDD = E.EdgeEnd.Tag as SubDivisionDescriptor; SDD.Edges.Add(E); SDD.Faces.Add(F); } } } // Update Vertixlist xyz Q = new xyz(0, 0, 0); xyz R = new xyz(0, 0, 0); for (int i = 0; i < VertexList.Count; i++) { Vertex3d V = VertexList[i]; SubDivisionDescriptor SDV = V.Tag as SubDivisionDescriptor; int n = SDV.Faces.Count; if (n == 0) { return; } Q = new xyz(0, 0, 0); R = new xyz(0, 0, 0); for (int j = 0; j < SDV.Faces.Count; j++) { Q = (xyz)SDV.Faces[j].Tag + Q; } Q = Q * (1f / (float)SDV.Faces.Count); for (int j = 0; j < SDV.Edges.Count; j++) { R = (xyz)SDV.Edges[j].Tag + R; } R = R * (1f / (float)SDV.Edges.Count); xyz S = V.Value; V.Value = (Q + R * 2 + S * (n - 3)) * (1f / (float)n); } // Kanten Ersetzen for (int i = 0; i < FaceList.Count; i++) { Face F = FaceList[i]; for (int j = 0; j < F.Bounds.Count; j++) { EdgeLoop EL = F.Bounds[j]; for (int k = 0; k < EL.Count; k++) { Edge E = EL[k]; if (E.SameSense) { E.EdgeCurve.A = E.EdgeStart.Value; E.EdgeCurve.B = E.EdgeEnd.Value; } } } } // Kanten Ersetzen for (int i = 0; i < FaceList.Count; i++) { Face F = FaceList[i]; for (int j = 0; j < F.Bounds.Count; j++) { EdgeLoop EL = F.Bounds[j]; for (int k = 0; k < EL.Count; k++) { Edge E = EL[k]; if (E.SameSense) { Vertex3d V = new Vertex3d((xyz)E.Tag); insertVertexToSameSenseEdge(F, j, k, V); k++; } } } } FaceList Temp = new FaceList(); for (int i = 0; i < FaceList.Count; i++) { Face F = FaceList[i]; for (int x = 0; x < F.Bounds.Count; x++) { EdgeLoop EL = F.Bounds[x]; Edge E2 = null; Vertex3d V1 = new Vertex3d(); V1.Value = (xyz)F.Tag; VertexList.Add(V1); Vertex3d V4 = null; Vertex3d V2 = null; int startIndex = 1; if (EL[0].EdgeStart.Tag == null) // StartPunkt ist eingefügt { startIndex = 0; } int id = startIndex; int counter = 0; Edge First = null; Edge Last = null; while (id >= 0) { counter++; EdgeLoop newEl = new EdgeLoop(); V2 = EL[id].EdgeStart; if (id + 1 < EL.Count) { V4 = EL[id + 1].EdgeEnd; } else { V4 = EL[0].EdgeEnd; } Face newF = new Face(); newF.Parent = F.Parent; Temp.Add(newF); EdgeLoop ELF = new EdgeLoop(); List <xyz> Pt = new List <xyz>(); newF.Surface = new PlaneSurface(V1.Value, V2.Value, V4.Value); // newF.Surface = new PlaneSurface(V1.Value, V2.Value, V4.Value); Edge EA = new Edge(); ELF.Add(EA); EdgeList.Add(EA); EA.EdgeStart = V1; EA.EdgeEnd = V2; if (Last == null) { EA.EdgeCurve = new Line3D(V1.Value, V2.Value); Pt.Add(V1.Value); EdgeCurveList.Add(EA.EdgeCurve); EA.EdgeCurve.Neighbors = new Face[2]; EA.SameSense = true; EA.EdgeCurve.Neighbors[0] = newF; if (id == startIndex) { First = EA; } } else { EA.EdgeStart = Last.EdgeEnd; Pt.Add(EA.EdgeStart.Value); EA.EdgeEnd = Last.EdgeStart; EA.EdgeCurve = Last.EdgeCurve; EA.EdgeCurve.Neighbors[1] = newF; EA.SameSense = false; } newF.Bounds.Add(ELF); E2 = EL[id]; if (E2.SameSense) { E2.EdgeCurve.Neighbors[0] = newF; } else { E2.EdgeCurve.Neighbors[1] = newF; } Pt.Add(E2.EdgeStart.Value); ELF.Add(E2); Edge E3 = null; if (id + 1 < EL.Count) { E3 = EL[id + 1]; } else { E3 = EL[0]; } Pt.Add(E3.EdgeStart.Value); if (E3.SameSense) { E3.EdgeCurve.Neighbors[0] = newF; } else { E3.EdgeCurve.Neighbors[1] = newF; } ELF.Add(E3); Edge EE = new Edge(); EdgeList.Add(EE); EE.EdgeStart = V4; EE.EdgeEnd = V1; ELF.Add(EE); Pt.Add(V4.Value); if (counter < 4) { EE.EdgeCurve = new Line3D(EE.EdgeStart.Value, EE.EdgeEnd.Value); EdgeCurveList.Add(EE.EdgeCurve); EE.EdgeCurve.Neighbors = new Face[2]; EE.EdgeCurve.Neighbors[0] = newF; EE.SameSense = true; } else { EE.EdgeCurve = First.EdgeCurve; EE.EdgeStart = First.EdgeEnd; EE.EdgeEnd = First.EdgeStart; EE.EdgeCurve.Neighbors[1] = newF; EE.SameSense = false; } Last = EE; id++; id++; // newF.Surface = new SmoothPlane(Pt[0],Pt[1],Pt[2],Pt[3], new xyz(1, 0, 0), new xyz(1, 0, 0), new xyz(1, 0, 0), new xyz(1, 0, 0)); // newF.Surface = new SmoothPlane(Pt[0], Pt[1], Pt[2], Pt[3], (Pt[0] - Pt[1]) & (Pt[0] - Pt[3]), (Pt[1] - Pt[0]) & (Pt[1] - Pt[2]), (Pt[2] - Pt[1]) & (Pt[3] - Pt[1]), (Pt[0] - Pt[3]) & (Pt[2] - Pt[3])); if (id + 1 > EL.Count) { break; } // newF.Surface = new PlaneSurface(V1.Value, V2.Value, V4.Value); } } } FaceList = Temp; for (int i = 0; i < FaceList.Count; i++) { Face F = FaceList[i]; F.Surface.BoundedCurves = new Loca(); List <xyz> P = new List <xyz>(); xyz P1 = new xyz(0, 0, 0); xyz P2 = new xyz(0, 0, 0); xyz P3 = new xyz(0, 0, 0); xyz P4 = new xyz(0, 0, 0); for (int k = 0; k < F.Bounds.Count; k++) { CurveArray CA = new CurveArray(); F.Surface.BoundedCurves.Add(CA); for (int l = 0; l < F.Bounds[k].Count; l++) { Edge E = F.Bounds[k][l]; CA.Add(new Line(F.Surface.ProjectPoint(E.EdgeStart.Value), F.Surface.ProjectPoint(E.EdgeEnd.Value))); if (l < 4) { P.Add(E.EdgeStart.Value); } } if (i == 3) { List <Edge> L1 = new List <Edge>(); for (int j = 0; j < 3; j++) { for (int m = 0; m < FaceList[j].Bounds.Count; m++) { xyz A = new xyz(0, 0, 0); for (int h = 0; h < FaceList[j].Bounds[m].Count; h++) { Edge E = FaceList[j].Bounds[m][h]; L1.Add(E); } } } for (int h = 0; h < L1.Count; h++) { for (int m = 0; m < L1.Count; m++) { if ((L1[h].EdgeStart.Value.dist(L1[m].EdgeStart.Value) < 0.001) && (h != m)) { } } } } } xyz n = ((P[2] - P[0]) & (P[1] - P[0])); xyz m1 = ((P[3] - P[0]) & (P[2] - P[0])); Loca L = F.Surface.BoundedCurves; if (i / 2 * 2 == i) { F.Surface = new SmoothPlane(P[0], P[1], P[2], P[3], n); } else { F.Surface = new SmoothPlane(P[0], P[1], P[2], P[3], m1); } F.Surface.BoundedCurves = L; // (P[1] - P[0]) & (P[1] - P[2]), (P[2] - P[1]) & (P[2] - P[3]), (P[3] - P[0]) & (P[3] - P[2])); F.DrawRelativToSurfaceBase = false; } }
/// <summary> /// creates a <see cref="Face"/> for a <see cref="Solid"/> in the <see cref="Model.Solid"/>. /// The Curves are all <see cref="Line3D"/>. The <see cref="Face"/> is plane and has as <see cref="Face.Surface"/> a <see cref="PlaneSurface"/>. /// </summary> /// <param name="Solid">is the target in which the <see cref="Face"/> will be posed.</param> /// <param name="Bounds">contains the <see cref="Vertex3d"/> for the <see cref="Line3D"/>.</param> /// <returns>a <see cref="Face"/></returns> public static Face SolidPlane(Solid Solid, Vertex3dArray_2 Bounds) { if (Bounds.Count == 0) { return(null); } xyz N = new xyz(0, 0, 0); xyz P = Bounds[0][0].Value; for (int i = 1; i < Bounds[0].Count - 1; i++) { xyz A = Bounds[0][i].Value; xyz B = Bounds[0][i + 1].Value; xyz M = N; N = N + ((A - P) & (B - P)); } N = N.normalized() * (-1); Base Base = Base.UnitBase; Base.BaseO = P; Base.BaseZ = N; if ((Base.BaseZ & new xyz(1, 0, 0)).dist(xyz.Null) > 0.01) { Base.BaseY = (Base.BaseZ & (new xyz(1, 0, 0))).normalized(); Base.BaseX = Base.BaseY & Base.BaseZ; } else { Base.BaseY = (Base.BaseZ & (new xyz(0, 1, 0))).normalized(); Base.BaseX = Base.BaseY & Base.BaseZ; } PlaneSurface Surface = new PlaneSurface(); Surface.Base = Base; //------------------------------------- //-------- Create the Face Face Result = new Face(); // ---- With Plane Surface Result.Surface = Surface; if (Solid != null) { Solid.FaceList.Add(Result); } //----- Set the Edges for (int i = 0; i < Bounds.Count; i++) { EdgeLoop Edgeloop = new EdgeLoop(); Result.Bounds.Add(Edgeloop); for (int j = 0; j < Bounds[i].Count; j++) { Vertex3d A = Bounds[i][j]; Vertex3d B = null; if (j == Bounds[i].Count - 1) { B = Bounds[i][0]; } else { B = Bounds[i][j + 1]; } Edge E = Edge.SolidEdge(Solid, Result, A, B, new Line3D(A.Value, B.Value)); Edgeloop.Add(E); } } Result.RefreshParamCurves(); return(Result); }