本文整理汇总了C++中BRep_Builder::MakeEdge方法的典型用法代码示例。如果您正苦于以下问题：C++ BRep_Builder::MakeEdge方法的具体用法？C++ BRep_Builder::MakeEdge怎么用？C++ BRep_Builder::MakeEdge使用的例子？那么, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类BRep_Builder的用法示例。
在下文中一共展示了BRep_Builder::MakeEdge方法的1个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的C++代码示例。
示例1: MergeEdges
//=======================================================================
//function : MergeEdges
//purpose : auxilary
//=======================================================================
static Standard_Boolean MergeEdges(const TopTools_SequenceOfShape& SeqEdges,
const TopoDS_Face& aFace,
const Standard_Real Tol,
TopoDS_Edge& anEdge)
{
// make chain for union
BRep_Builder B;
ShapeAnalysis_Edge sae;
TopoDS_Edge FirstE = TopoDS::Edge(SeqEdges.Value(1));
TopoDS_Edge LastE = FirstE;
TopoDS_Vertex VF = sae.FirstVertex(FirstE);
TopoDS_Vertex VL = sae.LastVertex(LastE);
TopTools_SequenceOfShape aChain;
aChain.Append(FirstE);
TColStd_MapOfInteger IndUsedEdges;
IndUsedEdges.Add(1);
Standard_Integer j;
for(j=2; j<=SeqEdges.Length(); j++) {
for(Standard_Integer k=2; k<=SeqEdges.Length(); k++) {
if(IndUsedEdges.Contains(k)) continue;
TopoDS_Edge edge = TopoDS::Edge(SeqEdges.Value(k));
TopoDS_Vertex VF2 = sae.FirstVertex(edge);
TopoDS_Vertex VL2 = sae.LastVertex(edge);
if(sae.FirstVertex(edge).IsSame(VL)) {
aChain.Append(edge);
LastE = edge;
VL = sae.LastVertex(LastE);
IndUsedEdges.Add(k);
}
else if(sae.LastVertex(edge).IsSame(VF)) {
aChain.Prepend(edge);
FirstE = edge;
VF = sae.FirstVertex(FirstE);
IndUsedEdges.Add(k);
}
}
}
if(aChain.Length()<SeqEdges.Length()) {
MESSAGE ("can not create correct chain...");
return Standard_False;
}
// union edges in chain
// first step: union lines and circles
TopLoc_Location Loc;
Standard_Real fp1,lp1,fp2,lp2;
for(j=1; j<aChain.Length(); j++) {
TopoDS_Edge edge1 = TopoDS::Edge(aChain.Value(j));
Handle(Geom_Curve) c3d1 = BRep_Tool::Curve(edge1,Loc,fp1,lp1);
if(c3d1.IsNull()) break;
while(c3d1->IsKind(STANDARD_TYPE(Geom_TrimmedCurve))) {
Handle(Geom_TrimmedCurve) tc =
Handle(Geom_TrimmedCurve)::DownCast(c3d1);
c3d1 = tc->BasisCurve();
}
TopoDS_Edge edge2 = TopoDS::Edge(aChain.Value(j+1));
Handle(Geom_Curve) c3d2 = BRep_Tool::Curve(edge2,Loc,fp2,lp2);
if(c3d2.IsNull()) break;
while(c3d2->IsKind(STANDARD_TYPE(Geom_TrimmedCurve))) {
Handle(Geom_TrimmedCurve) tc =
Handle(Geom_TrimmedCurve)::DownCast(c3d2);
c3d2 = tc->BasisCurve();
}
if( c3d1->IsKind(STANDARD_TYPE(Geom_Line)) && c3d2->IsKind(STANDARD_TYPE(Geom_Line)) ) {
// union lines
Handle(Geom_Line) L1 = Handle(Geom_Line)::DownCast(c3d1);
Handle(Geom_Line) L2 = Handle(Geom_Line)::DownCast(c3d2);
gp_Dir Dir1 = L1->Position().Direction();
gp_Dir Dir2 = L2->Position().Direction();
//if(!Dir1.IsEqual(Dir2,Precision::Angular())) {
//if(!Dir1.IsParallel(Dir2,Precision::Angular())) {
if(!Dir1.IsParallel(Dir2,Tol)) {
continue;
}
// can union lines => create new edge
TopoDS_Vertex V1 = sae.FirstVertex(edge1);
gp_Pnt PV1 = BRep_Tool::Pnt(V1);
TopoDS_Vertex V2 = sae.LastVertex(edge2);
gp_Pnt PV2 = BRep_Tool::Pnt(V2);
gp_Vec Vec(PV1,PV2);
Handle(Geom_Line) L = new Geom_Line(gp_Ax1(PV1,Vec));
Standard_Real dist = PV1.Distance(PV2);
Handle(Geom_TrimmedCurve) tc = new Geom_TrimmedCurve(L,0.0,dist);
TopoDS_Edge E;
B.MakeEdge (E,tc,Precision::Confusion());
B.Add (E,V1); B.Add (E,V2);
B.UpdateVertex(V1, 0., E, 0.);
B.UpdateVertex(V2, dist, E, 0.);
//ShapeFix_Edge sfe;
//sfe.FixAddPCurve(E,aFace,Standard_False);
//sfe.FixSameParameter(E);
aChain.Remove(j);
aChain.SetValue(j,E);
j--;
}
if( c3d1->IsKind(STANDARD_TYPE(Geom_Circle)) && c3d2->IsKind(STANDARD_TYPE(Geom_Circle)) ) {
// union circles
//.........这里部分代码省略.........