//判断特征类型
public static NewSelfDefFeatureType GetFeatureType(MyNewDefineFeature Feature1)
{
NewSelfDefFeatureType FeatureType = NewSelfDefFeatureType.OTHER_TYPE;
HashSet <Tag> Edge_Feature;
HashSet <Point3d> Vertex_Feature;
MyNewEdge.GetEdgeOfFeature(Feature1, out Edge_Feature);
MyVertex.GetVertexOfFeature(Feature1, out Vertex_Feature);
Feature1.EdgeNumber = Edge_Feature.Count; //特征中边的数目
Feature1.VertexNumber = Vertex_Feature.Count; //特征中顶点的数目;
Feature1.FeatureFaceAngleGraphic = new AngleGraph(Feature1); //构建特征中面之间的夹角图
//先识别出每个孤立特征的特征类型，然后在进行组合
if (IsThroughHole(Feature1)) //通孔
{
FeatureType = NewSelfDefFeatureType.ThroughHole;
for (int i = 0; i < Feature1.FeatureAdjacentFaceList.Count; i++)
{
if (Feature1.FeatureAdjacentFaceList[i].FaceType == MyNewFaceType.Cylindrical)
{
FeatureType = NewSelfDefFeatureType.HORIZONTAL_HOLE;//横孔
}
}
}
else if (IsRECT_THROUGH_SOLT(Feature1))//矩形通腔
{
FeatureType = NewSelfDefFeatureType.RECT_THROUGH_SOLT;
}
else if (IsCounterboreHole(Feature1))//盲孔
{
FeatureType = NewSelfDefFeatureType.BlindHole;
}
else if (IsConicalHole(Feature1))//锥孔
{
FeatureType = NewSelfDefFeatureType.Conical_HOLE;
}
else if (IsIsolatedSmoothSurface(Feature1))
{
FeatureType = NewSelfDefFeatureType.ISOLATED_SMOOTH_SURFACE; //孤立的光顺面;
}
else if (IsRectCavity(Feature1)) //判断是否是矩形腔
{
FeatureType = NewSelfDefFeatureType.RECT_CAVITY; //矩形腔
}
else if (IsOutterCylinderSurface(Feature1))
{
FeatureType = NewSelfDefFeatureType.Outter_Cylinder_Surface;//凸台特征的外圆柱面
}
return(FeatureType);
}
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++;
}
}
}
}
}
}