//判断一个特征中所有面的夹角是否都为90 public static bool AllVerticalplane(AngleGraph graph) { bool allVertical = true; int length = graph.NumOfFace; for (int i = 0; i < length; i++) { for (int j = i + 1; j < length; ++j) { if (graph.adjmatrix[i, j] == -1)//不相邻的面 { continue; } if (graph.adjmatrix[i, j] != 90) { allVertical = false; } } } return(allVertical); }
public static void AskTypeOfFeature(List <List <Tag> > Face_of_Feature, out SelfDefFeatureType[] Types) { int FaceNum, EdgeNum, VertexNum; HashSet <Tag> Edge_Feature; HashSet <Point3d> Vertex_Feature; Types = new SelfDefFeatureType[Face_of_Feature.Count]; int i = 0; foreach (List <Tag> Feature in Face_of_Feature)//List中存储的面 { FaceNum = Feature.Count; MyEdges.GetEdgeOfFeature(Feature, out Edge_Feature); EdgeNum = Edge_Feature.Count; MyVertex.GetVertexOfFeature(Feature, out Vertex_Feature); VertexNum = Vertex_Feature.Count; //得到燕尾槽的角度图 AngleGraph Anglegraph = new AngleGraph(Feature); //盲孔 if (FaceNum == 2)//EdegNum=3时为阶梯孔 { int type1, type2; ufmodel.AskFaceType(Feature[0], out type1); ufmodel.AskFaceType(Feature[1], out type2); if (type1 == 22 && type2 == 16)//16为柱面,22为平面 { //判断盲孔:一个面为凹圆柱面,一个面为平面,且两面的交线为凹边 Tag [] SharedEdges; ufmodel.AskSharedEdges(Feature[0], Feature[1], out SharedEdges); if (MyEdges.IsConcaveEdge(SharedEdges[0]) && (MyFace.IsConcaveFace(Feature[1]) == 2)) { Types[i] = SelfDefFeatureType.BlindHole; //得到盲孔的标注边 //Tag Dimeedge = MyEdges.GetDimeEdgeOfHole(Feature[1], Feature[0]); //Dimension.HoleDime(Dimeedge); ++i; } } else if (type1 == 16 && type2 == 22) { //判断盲孔:一个面为凹圆柱面,一个面为平面,且两面的交线为凹边 Tag[] SharedEdges; ufmodel.AskSharedEdges(Feature[0], Feature[1], out SharedEdges); if (MyEdges.IsConcaveEdge(SharedEdges[0]) && (MyFace.IsConcaveFace(Feature[0]) == 2)) { Types[i] = SelfDefFeatureType.BlindHole; //得到盲孔的标注边 //Tag Dimeedge = MyEdges.GetDimeEdgeOfHole(Feature[1], Feature[0]); //Dimension.HoleDime(Dimeedge); ++i; } } else if (type1 == 22 && type2 == 22) { if (Anglegraph.adjmatrix[0, 1] == 90) { Types[i] = SelfDefFeatureType.RECT_STEP; ++i; } } } else if (FaceNum == 1) { int type1; ufmodel.AskFaceType(Feature[0], out type1); if (type1 == 16) { //应该要添加一个判断是否为孔的圆柱面 //double[] normal1=MyFace.AskFaceofNormal(Feature[0]); //if (normal1[0] < 0 || normal1[1] < 0 || normal1[2] < 0)//判断圆柱面的法向量是否小于0,如果小于0即为孔的圆柱面 //{ if (EdgeNum == 4) { Types[i] = SelfDefFeatureType.SEMI_CIRCLE_SOLT; ++i; } else { //Tag[] edge_list; //ufmodel.AskFaceEdges(Feature[0], out edge_list); //Dimension.HoleDime(edge_list[0]); Types[i] = SelfDefFeatureType.ThroughHole; ++i; } //} } } else if (FaceNum == 5)//型腔 { if (EdgeNum == 12) { if (VertexNum == 12) { if (MyFace.AllVerticalplane(Anglegraph))//如果相互垂直,则判定为矩形腔 { Types[i] = SelfDefFeatureType.ClosePocket; ++i; Tag BasicFace; MyFace.AskBasicFace(Feature, out BasicFace); for (int j = 0; j < FaceNum; ++j) { //标注矩形腔的长度和宽度 for (int k = j + 1; k < FaceNum; ++k) { if (MyFace.ISFaceParallel(Feature[j], Feature[k])) { //Dimension.ParallelFaceDime(Feature[j], Feature[k], BasicFace); } } } //根据基面来标注矩形槽的深度 Tag OutFace; MyFace.AskFaceOutFeature(Feature, out OutFace); Dimension.ParallelFaceDime(OutFace, BasicFace, Tag.Null); } } else if (VertexNum == 8) { bool IsRectSlot = true; for (int index1 = 0; index1 < FaceNum; ++index1) { for (int index2 = index1 + 1; index2 < FaceNum; ++index2) { double tmp = Anglegraph.adjmatrix[index1, index2]; if (tmp != -1) //相邻,其实还要判断夹角是否相等 { if (tmp != 90.0 && tmp != 180.0) { IsRectSlot = false; } } } } if (IsRectSlot) { Types[i] = SelfDefFeatureType.RECT_SOLT; i++; } } } } else if (FaceNum == 3) { if (EdgeNum == 10) { if (VertexNum == 8) { bool IsDoveTatilSolt = true; bool IsRectSolt = true; for (int index1 = 0; index1 < FaceNum; index1++) { for (int index2 = index1 + 1; index2 < FaceNum; ++index2) { double tmp = Anglegraph.adjmatrix[index1, index2]; if (tmp != -1)//相邻,其实还要判断夹角是否相等 { if (tmp >= 90.0 || tmp == 0.0) { IsDoveTatilSolt = false; } if (tmp != 90.0) { IsRectSolt = false; } } } } if (IsDoveTatilSolt) { Types[i] = SelfDefFeatureType.DOVE_TAIL_SOLT; ++i; } if (IsRectSolt)//通的矩形槽 { Types[i] = SelfDefFeatureType.RECT_THROUGH_SOLT; ++i; } } } else if (EdgeNum == 4) { if (VertexNum == 0) { bool IsCutterSlot = true; for (int index1 = 0; index1 < FaceNum; ++index1) { for (int index2 = index1 + 1; index2 < FaceNum; ++index2) { double tmp = Anglegraph.adjmatrix[index1, index2]; if (tmp != -1)//相邻,其实还要判断夹角是否相等 { if (tmp != 90.0 && tmp != 180.0) { IsCutterSlot = false; } } } } if (IsCutterSlot) { Types[i] = SelfDefFeatureType.Cutter_Slot;//退刀槽 i++; } } } } } }