//构建特征中Face的角度属性邻接图
public AngleGraph(MyNewDefineFeature Feature1)
{
int FaceNum = Feature1.FaceNumber;
NumOfFace = FaceNum;//记录图中面的个数
//初始化邻接矩阵和顶点数组
adjmatrix = new double[FaceNum, FaceNum];
Tag[] shared_edges;
double FaceAngle;
//将代表邻接矩阵的表全初始化为0
for (int i = 0; i < FaceNum; i++)
{
for (int j = 0; j < FaceNum; j++)
{
if (i == j)
{
adjmatrix[i, j] = 0;
continue;
}
//判断两个面是否相邻
ufmodel.AskSharedEdges(Feature1.MyNewFeature[i].FaceTag, Feature1.MyNewFeature[j].FaceTag, out shared_edges);
if (shared_edges.Length == 0)//不相邻的情况取-1
{
adjmatrix[i, j] = -1.0;
}
else
{
MyFace.AskAngleOfFace(Feature1.MyNewFeature[i].FaceTag, Feature1.MyNewFeature[j].FaceTag, out FaceAngle);
adjmatrix[i, j] = Math.Round(FaceAngle, 2);//四舍五入，保留2位小数
}
}
}
}
//判断一个特征是否为一个盲孔
public static bool IsCounterboreHole(MyNewDefineFeature Feature1)
{
//单独的盲孔,边数为3的盲孔是存在阶梯孔的情况
if (Feature1.FaceNumber == 2 && (Feature1.EdgeNumber >= 2) && Feature1.VertexNumber == 0)
{
//先计算两面之间的夹角
double Angle;
MyFace.AskAngleOfFace(Feature1.MyNewFeature[0].FaceTag, Feature1.MyNewFeature[1].FaceTag, out Angle);
if (Angle != 90.0)
{
return(false);
}
if (Feature1.MyNewFeature[0].NodeFaceType == MyNewFaceType.Cylindrical && Feature1.MyNewFeature[1].NodeFaceType == MyNewFaceType.Planar)
{
//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;
Program.theUfmodel.AskSharedEdges(Feature1.MyNewFeature[0].FaceTag, Feature1.MyNewFeature[1].FaceTag, out SharedEdges);
if (MyEdges.IsConcaveEdge(SharedEdges[0]) && (MyFace.IsConcaveFace(Feature1.MyNewFeature[0].FaceTag) == 2))
{
return(true);
}
}
else if (Feature1.MyNewFeature[1].NodeFaceType == MyNewFaceType.Cylindrical && Feature1.MyNewFeature[0].NodeFaceType == MyNewFaceType.Planar)
{
//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;
Program.theUfmodel.AskSharedEdges(Feature1.MyNewFeature[0].FaceTag, Feature1.MyNewFeature[1].FaceTag, out SharedEdges);
if (MyEdges.IsConcaveEdge(SharedEdges[0]) && (MyFace.IsConcaveFace(Feature1.MyNewFeature[1].FaceTag) == 2))
{
return(true);
}
}
}
return(false);
}
//获取模型中的凹边
public static void GetConcaveEdge(out Tag[] Edges)
{
Part workPart = theSession.Parts.Work;
BodyCollection bodis = workPart.Bodies;
Body[] bodys = bodis.ToArray();
Tag [] egde_list;
ufmodel.AskBodyEdges(bodys[0].Tag, out egde_list);
Tag[] face_list;
double Angle;
int i = 0;
Tag[] TemEdges = new Tag[egde_list.Length];
foreach (Tag egde in egde_list)
{
ufmodel.AskEdgeFaces(egde, out face_list);
MyFace.AskAngleOfFace(face_list[0], face_list[1], out Angle);
if (Angle < 180.0)
{
TemEdges[i] = egde;
++i;
}
}
Edges = new Tag[i];
for (int j = 0; j < Edges.Length; ++j)
{
Edges[j] = TemEdges[j];
}
}
//判断边是否为凹边
public static bool IsConcaveEdge(Tag edge1)
{
Tag[] face_list;
ufmodel.AskEdgeFaces(edge1, out face_list);
bool IsConcave = true;
double Angle;
MyFace.AskAngleOfFace(face_list[0], face_list[1], out Angle);
if (Angle >= 180.0)
{
IsConcave = false;
}
return(IsConcave);
}
public static EdgeConcavity GetEdgeConca(Tag edge)
{
Tag[] face_list;
Program.theUfmodel.AskEdgeFaces(edge, out face_list);
EdgeConcavity edgeType;
double Angle;
MyFace.AskAngleOfFace(face_list[0], face_list[1], out Angle);
if (Angle == 180.0)
{
edgeType = EdgeConcavity.TangentLiner;//相切
}
else if (Angle > 180.0)
{
edgeType = EdgeConcavity.Convexity;//凸边
}
else
{
edgeType = EdgeConcavity.Concavity;//凹边
}
return(edgeType);
}
