本文整理汇总了C++中TopoDS_Edge::Oriented方法的典型用法代码示例。如果您正苦于以下问题:C++ TopoDS_Edge::Oriented方法的具体用法?C++ TopoDS_Edge::Oriented怎么用?C++ TopoDS_Edge::Oriented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TopoDS_Edge
的用法示例。
在下文中一共展示了TopoDS_Edge::Oriented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: LoadNodeColumns
bool SMESH_MesherHelper::LoadNodeColumns(TParam2ColumnMap & theParam2ColumnMap,
const TopoDS_Face& theFace,
const TopoDS_Edge& theBaseEdge,
SMESHDS_Mesh* theMesh)
{
// get vertices of theBaseEdge
TopoDS_Vertex vfb, vlb, vft; // first and last, bottom and top vertices
TopoDS_Edge eFrw = TopoDS::Edge( theBaseEdge.Oriented( TopAbs_FORWARD ));
TopExp::Vertices( eFrw, vfb, vlb );
// find the other edges of theFace and orientation of e1
TopoDS_Edge e1, e2, eTop;
bool rev1, CumOri = false;
TopExp_Explorer exp( theFace, TopAbs_EDGE );
int nbEdges = 0;
for ( ; exp.More(); exp.Next() ) {
if ( ++nbEdges > 4 ) {
return false; // more than 4 edges in theFace
}
TopoDS_Edge e = TopoDS::Edge( exp.Current() );
if ( theBaseEdge.IsSame( e ))
continue;
TopoDS_Vertex vCommon;
if ( !TopExp::CommonVertex( theBaseEdge, e, vCommon ))
eTop = e;
else if ( vCommon.IsSame( vfb )) {
e1 = e;
vft = TopExp::LastVertex( e1, CumOri );
rev1 = vfb.IsSame( vft );
if ( rev1 )
vft = TopExp::FirstVertex( e1, CumOri );
}
else
e2 = e;
}
if ( nbEdges < 4 ) {
return false; // less than 4 edges in theFace
}
if ( e2.IsNull() && vfb.IsSame( vlb ))
e2 = e1;
// submeshes corresponding to shapes
SMESHDS_SubMesh* smFace = theMesh->MeshElements( theFace );
SMESHDS_SubMesh* smb = theMesh->MeshElements( theBaseEdge );
SMESHDS_SubMesh* smt = theMesh->MeshElements( eTop );
SMESHDS_SubMesh* sm1 = theMesh->MeshElements( e1 );
SMESHDS_SubMesh* sm2 = theMesh->MeshElements( e2 );
SMESHDS_SubMesh* smVfb = theMesh->MeshElements( vfb );
SMESHDS_SubMesh* smVlb = theMesh->MeshElements( vlb );
SMESHDS_SubMesh* smVft = theMesh->MeshElements( vft );
if (!smFace || !smb || !smt || !sm1 || !sm2 || !smVfb || !smVlb || !smVft ) {
RETURN_BAD_RESULT( "NULL submesh " <<smFace<<" "<<smb<<" "<<smt<<" "<<
sm1<<" "<<sm2<<" "<<smVfb<<" "<<smVlb<<" "<<smVft);
}
if ( smb->NbNodes() != smt->NbNodes() || sm1->NbNodes() != sm2->NbNodes() ) {
RETURN_BAD_RESULT(" Diff nb of nodes on opposite edges" );
}
if (smVfb->NbNodes() != 1 || smVlb->NbNodes() != 1 || smVft->NbNodes() != 1) {
RETURN_BAD_RESULT("Empty submesh of vertex");
}
// define whether mesh is quadratic
bool isQuadraticMesh = false;
SMDS_ElemIteratorPtr eIt = smFace->GetElements();
if ( !eIt->more() ) {
RETURN_BAD_RESULT("No elements on the face");
}
const SMDS_MeshElement* e = eIt->next();
isQuadraticMesh = e->IsQuadratic();
if ( sm1->NbNodes() * smb->NbNodes() != smFace->NbNodes() ) {
// check quadratic case
if ( isQuadraticMesh ) {
// what if there are quadrangles and triangles mixed?
// int n1 = sm1->NbNodes()/2;
// int n2 = smb->NbNodes()/2;
// int n3 = sm1->NbNodes() - n1;
// int n4 = smb->NbNodes() - n2;
// int nf = sm1->NbNodes()*smb->NbNodes() - n3*n4;
// if( nf != smFace->NbNodes() ) {
// MESSAGE( "Wrong nb face nodes: " <<
// sm1->NbNodes()<<" "<<smb->NbNodes()<<" "<<smFace->NbNodes());
// return false;
// }
}
else {
RETURN_BAD_RESULT( "Wrong nb face nodes: " <<
sm1->NbNodes()<<" "<<smb->NbNodes()<<" "<<smFace->NbNodes());
}
}
// IJ size
int vsize = sm1->NbNodes() + 2;
int hsize = smb->NbNodes() + 2;
if(isQuadraticMesh) {
vsize = vsize - sm1->NbNodes()/2 -1;
hsize = hsize - smb->NbNodes()/2 -1;
}
// load nodes from theBaseEdge
std::set<const SMDS_MeshNode*> loadedNodes;
//.........这里部分代码省略.........