-// Copyright (C) 2007-2016 CEA/DEN, EDF R&D, OPEN CASCADE
+// Copyright (C) 2007-2024 CEA, EDF, OPEN CASCADE
//
// Copyright (C) 2003-2007 OPEN CASCADE, EADS/CCR, LIP6, CEA/DEN,
// CEDRAT, EDF R&D, LEG, PRINCIPIA R&D, BUREAU VERITAS
#include "SMDS_EdgePosition.hxx"
#include "SMDS_FaceOfNodes.hxx"
-#include "SMDS_FacePosition.hxx"
+#include "SMDS_FacePosition.hxx"
#include "SMDS_IteratorOnIterators.hxx"
#include "SMDS_VolumeTool.hxx"
#include "SMESHDS_Mesh.hxx"
#include "SMESH_HypoFilter.hxx"
#include "SMESH_Mesh.hxx"
#include "SMESH_MeshAlgos.hxx"
+#include "SMESH_MeshEditor.hxx"
#include "SMESH_ProxyMesh.hxx"
#include "SMESH_subMesh.hxx"
#include <Geom_RectangularTrimmedSurface.hxx>
#include <Geom_Surface.hxx>
#include <ShapeAnalysis.hxx>
+#include <ShapeAnalysis_Curve.hxx>
#include <TopExp.hxx>
#include <TopExp_Explorer.hxx>
#include <TopTools_ListIteratorOfListOfShape.hxx>
namespace {
- inline SMESH_TNodeXYZ XYZ(const SMDS_MeshNode* n) { return SMESH_TNodeXYZ(n); }
+ inline SMESH_NodeXYZ XYZ(const SMDS_MeshNode* n) { return SMESH_NodeXYZ(n); }
enum { U_periodic = 1, V_periodic = 2 };
}
//=======================================================================
//function : ~SMESH_MesherHelper
-//purpose :
+//purpose :
//=======================================================================
SMESH_MesherHelper::~SMESH_MesherHelper()
// we can create quadratic elements only if all elements
// created on sub-shapes of given shape are quadratic
myCreateQuadratic = true;
- mySeamShapeIds.clear();
- myDegenShapeIds.clear();
TopAbs_ShapeEnum subType( aSh.ShapeType()==TopAbs_FACE ? TopAbs_EDGE : TopAbs_FACE );
if ( aSh.ShapeType()==TopAbs_COMPOUND )
{
//=======================================================================
//function : IsMedium
-//purpose :
+//purpose :
//=======================================================================
bool SMESH_MesherHelper::IsMedium(const SMDS_MeshNode* node,
void SMESH_MesherHelper::setPosOnShapeValidity(int shapeID, bool ok ) const
{
- std::map< int,bool >::iterator sh_ok =
+ std::map< int,bool >::iterator sh_ok =
((SMESH_MesherHelper*)this)->myNodePosShapesValidity.insert( make_pair( shapeID, ok)).first;
if ( !ok )
sh_ok->second = ok;
//=======================================================================
//function : ToFixNodeParameters
-//purpose : Enables fixing node parameters on EDGEs and FACEs in
+//purpose : Enables fixing node parameters on EDGEs and FACEs in
// GetNodeU(...,check=true), GetNodeUV(...,check=true), CheckNodeUV() and
// CheckNodeU() in case if a node lies on a shape set via SetSubShape().
// Default is False
// corresponding EDGE from FACE, get pcurve for this
// EDGE and retrieve value from this pcurve
SMDS_EdgePositionPtr epos = pos;
- const int edgeID = n->getshapeId();
- const TopoDS_Edge& E = TopoDS::Edge( GetMeshDS()->IndexToShape( edgeID ));
+ const int edgeID = n->getshapeId();
+ const TopoDS_Edge& E = TopoDS::Edge( GetMeshDS()->IndexToShape( edgeID ));
double f, l, u = epos->GetUParameter();
- Handle(Geom2d_Curve) C2d = BRep_Tool::CurveOnSurface( E, F, f, l );
+ Handle(Geom2d_Curve) C2d = BRep_Tool::CurveOnSurface( E, F, f, l );
bool validU = ( !C2d.IsNull() && ( f < u ) && ( u < l ));
if ( validU ) uv = C2d->Value( u );
else uv.SetCoord( Precision::Infinite(),0.);
if ( !C2d.IsNull() ) {
double u = ( V == IthVertex( 0, edge )) ? f : l;
uv = C2d->Value( u );
- uvOK = true;
+ gp_Pnt p = GetSurface( F )->Value( uv );
+ uvOK = ( p.Distance( BRep_Tool::Pnt( V )) < getFaceMaxTol( F ));
break;
}
}
if ( isSeam )
uv = getUVOnSeam( uv, GetNodeUV( F, n2, 0 ));
}
+ else if ( myParIndex && n2 )
+ {
+ gp_Pnt2d oldUV = uv;
+ gp_Pnt2d uv2 = GetNodeUV( F, n2, 0 );
+ if ( myParIndex & 1 )
+ uv.SetX( uv.X() + ShapeAnalysis::AdjustToPeriod( uv.X(), myPar1[0], myPar2[0]));
+ if ( myParIndex & 2 )
+ uv.SetY( uv.Y() + ShapeAnalysis::AdjustToPeriod( uv.Y(), myPar1[1], myPar2[1]));
+ if ( uv.SquareDistance( uv2 ) > oldUV.SquareDistance( uv2 ))
+ uv = oldUV;
+ }
}
}
else
// check that uv is correct
TopLoc_Location loc;
Handle(Geom_Surface) surface = BRep_Tool::Surface( F,loc );
- gp_Pnt nodePnt = XYZ( n ), surfPnt(0,0,0);
+ SMESH_NodeXYZ nXYZ( n );
+ gp_Pnt nodePnt = nXYZ, surfPnt(0,0,0);
double dist = 0;
if ( !loc.IsIdentity() ) nodePnt.Transform( loc.Transformation().Inverted() );
if ( infinit ||
(dist = nodePnt.Distance( surfPnt = surface->Value( uv.X(), uv.Y() ))) > tol )
{
setPosOnShapeValidity( shapeID, false );
- if ( !infinit && distXYZ ) {
- surfPnt.Transform( loc );
- distXYZ[0] = dist;
- distXYZ[1] = surfPnt.X(); distXYZ[2] = surfPnt.Y(); distXYZ[3]=surfPnt.Z();
- }
// uv incorrect, project the node to surface
- GeomAPI_ProjectPointOnSurf& projector = GetProjector( F, loc, tol );
- projector.SetExtremaFlag( Extrema_ExtFlag_MIN );
- projector.Perform( nodePnt );
- if ( !projector.IsDone() || projector.NbPoints() < 1 )
- {
- MESSAGE( "SMESH_MesherHelper::CheckNodeUV() failed to project" );
- return false;
- }
- Standard_Real U,V;
- projector.LowerDistanceParameters(U,V);
- uv.SetCoord( U,V );
- surfPnt = surface->Value( U, V );
- dist = nodePnt.Distance( surfPnt );
+ Handle(ShapeAnalysis_Surface) sprojector = GetSurface( F );
+ uv = sprojector->ValueOfUV( nXYZ, tol ).XY();
+ surfPnt = sprojector->Value( uv );
+ dist = surfPnt.Distance( nXYZ );
if ( distXYZ ) {
- surfPnt.Transform( loc );
distXYZ[0] = dist;
distXYZ[1] = surfPnt.X(); distXYZ[2] = surfPnt.Y(); distXYZ[3]=surfPnt.Z();
}
if ( dist > tol )
{
- Handle(ShapeAnalysis_Surface) sprojector = GetSurface( F );
- uv = sprojector->ValueOfUV( nodePnt, tol ).XY();
- surfPnt = sprojector->Value( uv );
- dist = nodePnt.Distance( surfPnt );
- if ( distXYZ ) {
- surfPnt.Transform( loc );
- distXYZ[0] = dist;
- distXYZ[1] = surfPnt.X(); distXYZ[2] = surfPnt.Y(); distXYZ[3]=surfPnt.Z();
- }
- if ( dist > tol )
- {
- MESSAGE( "SMESH_MesherHelper::CheckNodeUV(), invalid projection" );
- return false;
- }
+ MESSAGE( "SMESH_MesherHelper::CheckNodeUV(), invalid projection" );
+ return false;
}
// store the fixed UV on the face
if ( myShape.IsSame(F) && shapeID == myShapeID && myFixNodeParameters )
const_cast<SMDS_MeshNode*>(n)->SetPosition
- ( SMDS_PositionPtr( new SMDS_FacePosition( U, V )));
+ ( SMDS_PositionPtr( new SMDS_FacePosition( uv.X(), uv.Y() )));
}
else if ( myShape.IsSame(F) && uv.Modulus() > numeric_limits<double>::min() )
{
return *( i_proj->second );
}
+//=======================================================================
+//function : GetProjector
+//purpose : Return projector initialized by given face, which is returned
+//=======================================================================
+
+GeomAPI_ProjectPointOnSurf& SMESH_MesherHelper::GetProjector(const TopoDS_Face& F,
+ double tol ) const
+{
+ Handle(Geom_Surface) surface = BRep_Tool::Surface( F );
+ int faceID = GetMeshDS()->ShapeToIndex( F );
+ TID2ProjectorOnSurf& i2proj = const_cast< TID2ProjectorOnSurf&>( myFace2Projector );
+ TID2ProjectorOnSurf::iterator i_proj = i2proj.find( faceID );
+ if ( i_proj == i2proj.end() )
+ {
+ if ( tol == 0 ) tol = BRep_Tool::Tolerance( F );
+ double U1, U2, V1, V2;
+ surface->Bounds(U1, U2, V1, V2);
+ GeomAPI_ProjectPointOnSurf* proj = new GeomAPI_ProjectPointOnSurf();
+ proj->Init( surface, U1, U2, V1, V2, tol );
+ i_proj = i2proj.insert( make_pair( faceID, proj )).first;
+ }
+ return *( i_proj->second );
+}
+
+//=======================================================================
+//function : GetPCProjector
+//purpose : Return projector initialized by given EDGE
+//=======================================================================
+
+GeomAPI_ProjectPointOnCurve& SMESH_MesherHelper::GetPCProjector(const TopoDS_Edge& E ) const
+{
+ int edgeID = GetMeshDS()->ShapeToIndex( E );
+ TID2ProjectorOnCurve& i2proj = const_cast< TID2ProjectorOnCurve&>( myEdge2Projector );
+ TID2ProjectorOnCurve::iterator i_proj = i2proj.insert( make_pair( edgeID, nullptr )).first;
+ if ( !i_proj->second )
+ {
+ double f,l;
+ Handle(Geom_Curve) curve = BRep_Tool::Curve( E,f,l );
+ i_proj->second = new GeomAPI_ProjectPointOnCurve();
+ i_proj->second->Init( curve, f, l );
+ }
+ GeomAPI_ProjectPointOnCurve* projector = i_proj->second;
+ return *projector;
+}
+
//=======================================================================
//function : GetSurface
//purpose : Return a cached ShapeAnalysis_Surface of a FACE
{
gp_XY AverageUV(const gp_XY& uv1, const gp_XY& uv2) { return ( uv1 + uv2 ) / 2.; }
gp_XY_FunPtr(Added); // define gp_XY_Added pointer to function calling gp_XY::Added(gp_XY)
- gp_XY_FunPtr(Subtracted);
+ gp_XY_FunPtr(Subtracted);
}
//=======================================================================
return fun(uv1,uv2);
// move uv2 not far than half-period from uv1
- double u2 =
+ double u2 =
uv2.X()+(isUPeriodic ? ShapeAnalysis::AdjustByPeriod(uv2.X(),uv1.X(),surface->UPeriod()) :0);
- double v2 =
+ double v2 =
uv2.Y()+(isVPeriodic ? ShapeAnalysis::AdjustByPeriod(uv2.Y(),uv1.Y(),surface->VPeriod()) :0);
// execute operation
//=======================================================================
gp_XY SMESH_MesherHelper::GetCenterUV(const gp_XY& uv1,
- const gp_XY& uv2,
- const gp_XY& uv3,
+ const gp_XY& uv2,
+ const gp_XY& uv3,
const gp_XY& uv12,
const gp_XY& uv23,
const gp_XY& uv31,
int vertexID = n->getshapeId();
const TopoDS_Vertex& V = TopoDS::Vertex(meshDS->IndexToShape(vertexID));
param = BRep_Tool::Parameter( V, E );
+
+ if ( inEdgeNode )
+ {
+ BRepAdaptor_Curve curve( E );
+ if ( curve.IsPeriodic() )
+ {
+ double uInEdge = GetNodeU( E, inEdgeNode );
+ param += ShapeAnalysis::AdjustByPeriod( param, uInEdge, curve.Period() );
+ }
+ }
}
}
if ( check )
{
setPosOnShapeValidity( shapeID, false );
// u incorrect, project the node to the curve
- int edgeID = GetMeshDS()->ShapeToIndex( E );
- TID2ProjectorOnCurve& i2proj = const_cast< TID2ProjectorOnCurve&>( myEdge2Projector );
- TID2ProjectorOnCurve::iterator i_proj =
- i2proj.insert( make_pair( edgeID, (GeomAPI_ProjectPointOnCurve*) 0 )).first;
- if ( !i_proj->second )
- {
- i_proj->second = new GeomAPI_ProjectPointOnCurve();
- i_proj->second->Init( curve, f, l );
- }
- GeomAPI_ProjectPointOnCurve* projector = i_proj->second;
- projector->Perform( nodePnt );
- if ( projector->NbPoints() < 1 )
- {
- MESSAGE( "SMESH_MesherHelper::CheckNodeU() failed to project" );
- return false;
- }
- Standard_Real U = projector->LowerDistanceParameter();
- u = double( U );
- curvPnt = curve->Value( u );
- dist = nodePnt.Distance( curvPnt );
+ //GeomAPI_ProjectPointOnCurve& projector = GetPCProjector( E ); -- bug in OCCT-7.5.3p1
+ GeomAdaptor_Curve curveAd( curve, f, l );
+ ShapeAnalysis_Curve projector;
+ dist = projector.Project( curveAd, nodePnt, tol, curvPnt, u, false );
+ // if ( projector.NbPoints() < 1 )
+ // {
+ // MESSAGE( "SMESH_MesherHelper::CheckNodeU() failed to project" );
+ // return false;
+ // }
if ( distXYZ ) {
+ curvPnt = curve->Value( u );
curvPnt.Transform( loc );
distXYZ[0] = dist;
distXYZ[1] = curvPnt.X(); distXYZ[2] = curvPnt.Y(); distXYZ[3]=curvPnt.Z();
// store the fixed U on the edge
if ( myShape.IsSame(E) && shapeID == myShapeID && myFixNodeParameters )
const_cast<SMDS_MeshNode*>(n)->SetPosition
- ( SMDS_PositionPtr( new SMDS_EdgePosition( U )));
+ ( SMDS_PositionPtr( new SMDS_EdgePosition( u )));
}
else if ( fabs( u ) > numeric_limits<double>::min() )
{
TBiQuad keyOfMap(n1,n2,n3,n4);
std::map<TBiQuad, const SMDS_MeshNode* >::iterator itMapCentralNode;
itMapCentralNode = myMapWithCentralNode.find( keyOfMap );
- if ( itMapCentralNode != myMapWithCentralNode.end() )
+ if ( itMapCentralNode != myMapWithCentralNode.end() )
{
return (*itMapCentralNode).second;
}
std::map< int, int > faceId2nbNodes;
std::map< int, int > ::iterator itMapWithIdFace;
-
+
SMESHDS_Mesh* meshDS = GetMeshDS();
-
+
// check if a face lies on a FACE, i.e. its all corner nodes lie either on the FACE or
// on sub-shapes of the FACE
if ( GetMesh()->HasShapeToMesh() )
TBiQuad keyOfMap(n1,n2,n3);
std::map<TBiQuad, const SMDS_MeshNode* >::iterator itMapCentralNode;
itMapCentralNode = myMapWithCentralNode.find( keyOfMap );
- if ( itMapCentralNode != myMapWithCentralNode.end() )
+ if ( itMapCentralNode != myMapWithCentralNode.end() )
{
return (*itMapCentralNode).second;
}
std::map< int, int > faceId2nbNodes;
std::map< int, int > ::iterator itMapWithIdFace;
-
+
SMESHDS_Mesh* meshDS = GetMeshDS();
-
+
// check if a face lies on a FACE, i.e. its all corner nodes lie either on the FACE or
// on sub-shapes of the FACE
if ( GetMesh()->HasShapeToMesh() )
// get positions of the given nodes on shapes
if ( pos.second == TopAbs_FACE )
{
- F = TopoDS::Face(meshDS->IndexToShape( faceID = pos.first ));
+ F = TopoDS::Face( meshDS->IndexToShape( faceID = pos.first ));
uv[0] = GetNodeUV(F,n1,n2, force3d ? 0 : &uvOK[0]);
- if (( !force3d ) &&
- ( HasDegeneratedEdges() || GetSurface( F )->HasSingularities( 1e-7 )))
- {
- // IPAL52850 (degen VERTEX not at singularity)
- // project middle point to a surface
- SMESH_TNodeXYZ p1( n1 ), p2( n2 );
- gp_Pnt pMid = 0.5 * ( p1 + p2 );
- Handle(ShapeAnalysis_Surface) projector = GetSurface( F );
- gp_Pnt2d uvMid;
- if ( uvOK[0] )
- uvMid = projector->NextValueOfUV( uv[0], pMid, BRep_Tool::Tolerance( F ));
- else
- uvMid = projector->ValueOfUV( pMid, getFaceMaxTol( F ));
- if ( projector->Gap() * projector->Gap() < ( p1 - p2 ).SquareModulus() / 4 )
- {
- gp_Pnt pProj = projector->Value( uvMid );
- n12 = meshDS->AddNode( pProj.X(), pProj.Y(), pProj.Z() );
- meshDS->SetNodeOnFace( n12, faceID, uvMid.X(), uvMid.Y() );
- myTLinkNodeMap.insert( make_pair ( link, n12 ));
- return n12;
- }
- }
uv[1] = GetNodeUV(F,n2,n1, force3d ? 0 : &uvOK[1]);
}
else if ( pos.second == TopAbs_EDGE )
// nodes, else - medium between corresponding 3d points
if( ! F.IsNull() )
{
- //if ( uvOK[0] && uvOK[1] )
+ if ( IsDegenShape( n1->getshapeId() )) {
+ if ( myParIndex & U_periodic ) uv[0].SetCoord( 1, uv[1].Coord( 1 ));
+ else uv[0].SetCoord( 2, uv[1].Coord( 2 ));
+ }
+ else if ( IsDegenShape( n2->getshapeId() )) {
+ if ( myParIndex & U_periodic ) uv[1].SetCoord( 1, uv[0].Coord( 1 ));
+ else uv[1].SetCoord( 2, uv[0].Coord( 2 ));
+ }
+ TopLoc_Location loc;
+ Handle(Geom_Surface) S = BRep_Tool::Surface(F,loc);
+ gp_XY UV = GetMiddleUV( S, uv[0], uv[1] );
+ gp_Pnt P = S->Value( UV.X(), UV.Y() ).Transformed(loc);
+
+ SMESH_TNodeXYZ p1( n1 ), p2( n2 );
+ gp_Pnt pMid = 0.5 * ( p1 + p2 );
+ double distMid = pMid.SquareDistance( P );
+ double dist12 = ( p1 - p2 ).SquareModulus();
+ Handle(ShapeAnalysis_Surface) surfInfo = GetSurface( F );
+ if ( distMid > dist12 ||
+ HasDegeneratedEdges() ||
+ surfInfo->HasSingularities( 1e-7 ) )
{
- if ( IsDegenShape( n1->getshapeId() )) {
- if ( myParIndex & U_periodic ) uv[0].SetCoord( 1, uv[1].Coord( 1 ));
- else uv[0].SetCoord( 2, uv[1].Coord( 2 ));
- }
- else if ( IsDegenShape( n2->getshapeId() )) {
- if ( myParIndex & U_periodic ) uv[1].SetCoord( 1, uv[0].Coord( 1 ));
- else uv[1].SetCoord( 2, uv[0].Coord( 2 ));
- }
- TopLoc_Location loc;
- Handle(Geom_Surface) S = BRep_Tool::Surface(F,loc);
- gp_XY UV = GetMiddleUV( S, uv[0], uv[1] );
- gp_Pnt P = S->Value( UV.X(), UV.Y() ).Transformed(loc);
- n12 = meshDS->AddNode(P.X(), P.Y(), P.Z());
- // if ( mySetElemOnShape ) node is not elem!
- meshDS->SetNodeOnFace(n12, faceID, UV.X(), UV.Y());
- myTLinkNodeMap.insert(make_pair(link,n12));
- return n12;
+ // IPAL52850 (degen VERTEX not at singularity)
+ // project middle point to a surface
+ gp_Pnt2d uvMid;
+ if ( uvOK[0] )
+ uvMid = surfInfo->NextValueOfUV( uv[0], pMid, BRep_Tool::Tolerance( F ));
+ else
+ uvMid = surfInfo->ValueOfUV( pMid, getFaceMaxTol( F ));
+ if ( surfInfo->Gap() * surfInfo->Gap() < distMid )
+ P = surfInfo->Value( uvMid );
}
+ n12 = meshDS->AddNode(P.X(), P.Y(), P.Z());
+ // if ( mySetElemOnShape ) node is not elem!
+ meshDS->SetNodeOnFace(n12, faceID, UV.X(), UV.Y());
+ myTLinkNodeMap.insert(make_pair(link,n12));
+ return n12;
}
else if ( !E.IsNull() )
{
//purpose : Creates a node
//=======================================================================
-SMDS_MeshNode* SMESH_MesherHelper::AddNode(double x, double y, double z, int ID,
+SMDS_MeshNode* SMESH_MesherHelper::AddNode(double x, double y, double z, smIdType ID,
double u, double v)
{
SMESHDS_Mesh * meshDS = GetMeshDS();
SMDS_MeshEdge* SMESH_MesherHelper::AddEdge(const SMDS_MeshNode* n1,
const SMDS_MeshNode* n2,
- const int id,
+ const smIdType id,
const bool force3d)
{
SMESHDS_Mesh * meshDS = GetMeshDS();
-
+
SMDS_MeshEdge* edge = 0;
if (myCreateQuadratic) {
const SMDS_MeshNode* n12 = GetMediumNode(n1,n2,force3d);
SMDS_MeshFace* SMESH_MesherHelper::AddFace(const SMDS_MeshNode* n1,
const SMDS_MeshNode* n2,
const SMDS_MeshNode* n3,
- const int id,
+ const smIdType id,
const bool force3d)
{
SMESHDS_Mesh * meshDS = GetMeshDS();
const SMDS_MeshNode* n2,
const SMDS_MeshNode* n3,
const SMDS_MeshNode* n4,
- const int id,
+ const smIdType id,
const bool force3d)
{
SMESHDS_Mesh * meshDS = GetMeshDS();
//=======================================================================
SMDS_MeshFace* SMESH_MesherHelper::AddPolygonalFace (const vector<const SMDS_MeshNode*>& nodes,
- const int id,
+ const smIdType id,
const bool force3d)
{
SMESHDS_Mesh * meshDS = GetMeshDS();
const SMDS_MeshNode* n4,
const SMDS_MeshNode* n5,
const SMDS_MeshNode* n6,
- const int id,
+ const smIdType id,
const bool force3d)
{
SMESHDS_Mesh * meshDS = GetMeshDS();
const SMDS_MeshNode* n2,
const SMDS_MeshNode* n3,
const SMDS_MeshNode* n4,
- const int id,
+ const smIdType id,
const bool force3d)
{
SMESHDS_Mesh * meshDS = GetMeshDS();
const SMDS_MeshNode* n3,
const SMDS_MeshNode* n4,
const SMDS_MeshNode* n5,
- const int id,
+ const smIdType id,
const bool force3d)
{
SMDS_MeshVolume* elem = 0;
const SMDS_MeshNode* n6,
const SMDS_MeshNode* n7,
const SMDS_MeshNode* n8,
- const int id,
+ const smIdType id,
const bool force3d)
{
SMESHDS_Mesh * meshDS = GetMeshDS();
const SMDS_MeshNode* n10,
const SMDS_MeshNode* n11,
const SMDS_MeshNode* n12,
- const int id,
- bool force3d)
+ const smIdType id,
+ bool /*force3d*/)
{
SMESHDS_Mesh * meshDS = GetMeshDS();
SMDS_MeshVolume* elem = 0;
SMDS_MeshVolume*
SMESH_MesherHelper::AddPolyhedralVolume (const std::vector<const SMDS_MeshNode*>& nodes,
const std::vector<int>& quantities,
- const int id,
+ const smIdType id,
const bool force3d)
{
SMESHDS_Mesh * meshDS = GetMeshDS();
theParam2ColumnMap.begin()->second.size() == prevNbRows + expectNbRows );
}
-namespace
+//================================================================================
+/*!
+ * \brief Return true if a node is at a corner of a 2D structured mesh of FACE
+ */
+//================================================================================
+
+bool SMESH_MesherHelper::IsCornerOfStructure( const SMDS_MeshNode* n,
+ const SMESHDS_SubMesh* faceSM,
+ SMESH_MesherHelper& faceAnalyser )
{
- //================================================================================
- /*!
- * \brief Return true if a node is at a corner of a 2D structured mesh of FACE
- */
- //================================================================================
+ int nbFacesInSM = 0;
+ if ( n ) {
+ SMDS_ElemIteratorPtr fIt = n->GetInverseElementIterator( SMDSAbs_Face );
+ while ( fIt->more() )
+ nbFacesInSM += faceSM->Contains( fIt->next() );
+ }
+ if ( nbFacesInSM == 1 )
+ return true;
- bool isCornerOfStructure( const SMDS_MeshNode* n,
- const SMESHDS_SubMesh* faceSM,
- SMESH_MesherHelper& faceAnalyser )
+ if ( nbFacesInSM == 2 && n->GetPosition()->GetTypeOfPosition() == SMDS_TOP_VERTEX )
{
- int nbFacesInSM = 0;
- if ( n ) {
- SMDS_ElemIteratorPtr fIt = n->GetInverseElementIterator( SMDSAbs_Face );
- while ( fIt->more() )
- nbFacesInSM += faceSM->Contains( fIt->next() );
- }
- if ( nbFacesInSM == 1 )
- return true;
-
- if ( nbFacesInSM == 2 && n->GetPosition()->GetTypeOfPosition() == SMDS_TOP_VERTEX )
- {
- return faceAnalyser.IsRealSeam( n->getshapeId() );
- }
- return false;
+ return faceAnalyser.IsRealSeam( n->getshapeId() );
}
+ return false;
}
//=======================================================================
int nbRemainEdges = nbEdgesInWires.front();
do {
TopoDS_Vertex V = IthVertex( 0, edges.front() );
- isCorner = isCornerOfStructure( SMESH_Algo::VertexNode( V, meshDS ),
+ isCorner = IsCornerOfStructure( SMESH_Algo::VertexNode( V, meshDS ),
fSM, faceAnalyser);
if ( !isCorner ) {
edges.splice( edges.end(), edges, edges.begin() );
for ( ; n != nodes.end(); ++n )
{
++nbEdges;
- if ( isCornerOfStructure( *n, fSM, faceAnalyser )) {
+ if ( IsCornerOfStructure( *n, fSM, faceAnalyser )) {
nbEdgesInSide.push_back( nbEdges );
nbEdges = 0;
}
if ( !aSubMeshDSFace )
return isReversed;
- // find an element on a bounday of theFace
+ // find an element on a boundary of theFace
SMDS_ElemIteratorPtr iteratorElem = aSubMeshDSFace->GetElements();
const SMDS_MeshNode* nn[2];
while ( iteratorElem->more() ) // loop on elements on theFace
//=======================================================================
//function : IsSubShape
-//purpose :
+//purpose :
//=======================================================================
bool SMESH_MesherHelper::IsSubShape( const TopoDS_Shape& shape, SMESH_Mesh* aMesh )
//=======================================================================
//function : IsBlock
-//purpose :
+//purpose :
//=======================================================================
bool SMESH_MesherHelper::IsBlock( const TopoDS_Shape& shape )
vecRef = du ^ dv;
if ( ++nbLoops > 10 )
{
-#ifdef _DEBUG_
- cout << "SMESH_MesherHelper::GetAngle(): Captured in a sigularity" << endl;
-#endif
+ MESSAGE("SMESH_MesherHelper::GetAngle(): Captured in a singularity");
return angle;
}
}
//================================================================================
/*!
- * \brief Return type of shape contained in a group
+ * \brief Return type of shape contained in a group
* \param group - a shape of type TopAbs_COMPOUND
* \param avoidCompound - not to return TopAbs_COMPOUND
*/
SMESH_MesherHelper:: MType SMESH_MesherHelper::IsQuadraticMesh()
{
- int NbAllEdgsAndFaces=0;
- int NbQuadFacesAndEdgs=0;
- int NbFacesAndEdges=0;
+ smIdType NbAllEdgsAndFaces=0;
+ smIdType NbQuadFacesAndEdgs=0;
+ smIdType NbFacesAndEdges=0;
//All faces and edges
NbAllEdgsAndFaces = myMesh->NbEdges() + myMesh->NbFaces();
if ( NbAllEdgsAndFaces == 0 )
return SMESH_MesherHelper::LINEAR;
-
+
//Quadratic faces and edges
NbQuadFacesAndEdgs = myMesh->NbEdges(ORDER_QUADRATIC) + myMesh->NbFaces(ORDER_QUADRATIC);
//Linear faces and edges
NbFacesAndEdges = myMesh->NbEdges(ORDER_LINEAR) + myMesh->NbFaces(ORDER_LINEAR);
-
+
if (NbAllEdgsAndFaces == NbQuadFacesAndEdgs) {
//Quadratic mesh
return SMESH_MesherHelper::QUADRATIC;
mutable vector< const QLink* > _sides;
mutable bool _sideIsAdded[4]; // added in chain of links
gp_Vec _normal;
-#ifdef _DEBUG_
mutable const SMDS_MeshElement* _face;
-#endif
QFace( const vector< const QLink*>& links, const SMDS_MeshElement* face=0 );
//================================================================================
/*!
- * \brief Construct QFace from QLinks
+ * \brief Construct QFace from QLinks
*/
//================================================================================
gp_Vec v1( XYZ( l1->node2()), XYZ( l1->node1()));
gp_Vec v2( XYZ( l2->node1()), XYZ( l2->node2()));
if ( l1->node1() != l2->node1() && l1->node2() != l2->node2() )
- v1.Reverse();
+ v1.Reverse();
_normal += v1 ^ v2;
}
double normSqSize = _normal.SquareMagnitude();
else
_normal.SetCoord(1e-33,0,0);
-#ifdef _DEBUG_
- _face = face;
-#endif
+ if (SALOME::VerbosityActivated())
+ _face = face;
}
//================================================================================
/*!
}
}
else if ( _sides.size() < 4 )
- return thePrevLen;
+ return thePrevLen;
// propagate to adjacent faces till limit step or boundary
double len1 = thePrevLen + (theLink->MiddlePnt() - _sides[iL1]->MiddlePnt()).Modulus();
*/
//================================================================================
- bool QFace::IsSpoiled(const QLink* bentLink ) const
- {
- // code is valid for convex faces only
- gp_XYZ gc(0,0,0);
- for ( TIDSortedNodeSet::const_iterator n = begin(); n != end(); ++n )
- gc += XYZ( *n ) / double( size() );
- for ( size_t i = 0; i < _sides.size(); ++i )
- {
- if ( _sides[i] == bentLink ) continue;
- gp_Vec linkNorm = _normal ^ gp_Vec( XYZ(_sides[i]->node1()), XYZ(_sides[i]->node2()));
- gp_Vec vecOut( gc, _sides[i]->MiddlePnt() );
- if ( linkNorm * vecOut < 0 )
- linkNorm.Reverse();
- double mag2 = linkNorm.SquareMagnitude();
- if ( mag2 > numeric_limits<double>::min() )
- linkNorm /= sqrt( mag2 );
- gp_Vec vecBent ( _sides[i]->MiddlePnt(), bentLink->MediumPnt());
- gp_Vec vecStraight( _sides[i]->MiddlePnt(), bentLink->MiddlePnt());
- if ( vecBent * linkNorm > -0.1*vecStraight.Magnitude() )
- return true;
- }
- return false;
+ // bool QFace::IsSpoiled(const QLink* bentLink ) const
+ // {
+ // // code is valid for convex faces only
+ // gp_XYZ gc(0,0,0);
+ // for ( TIDSortedNodeSet::const_iterator n = begin(); n != end(); ++n )
+ // gc += XYZ( *n ) / double( size() );
+ // for ( size_t i = 0; i < _sides.size(); ++i )
+ // {
+ // if ( _sides[i] == bentLink ) continue;
+ // gp_Vec linkNorm = _normal ^ gp_Vec( XYZ(_sides[i]->node1()), XYZ(_sides[i]->node2()));
+ // gp_Vec vecOut( gc, _sides[i]->MiddlePnt() );
+ // if ( linkNorm * vecOut < 0 )
+ // linkNorm.Reverse();
+ // double mag2 = linkNorm.SquareMagnitude();
+ // if ( mag2 > numeric_limits<double>::min() )
+ // linkNorm /= sqrt( mag2 );
+ // gp_Vec vecBent ( _sides[i]->MiddlePnt(), bentLink->MediumPnt());
+ // gp_Vec vecStraight( _sides[i]->MiddlePnt(), bentLink->MiddlePnt());
+ // if ( vecBent * linkNorm > -0.1*vecStraight.Magnitude() )
+ // return true;
+ // }
+ // return false;
- }
+ // }
//================================================================================
/*!
void QLink::SetContinuesFaces() const
{
// x0 x - QLink, [-|] - QFace, v - volume
- // v0 | v1
+ // v0 | v1
// | Between _faces of link x2 two vertical faces are continues
// x1----x2-----x3 and two horizontal faces are continues. We set vertical faces
// | to _faces[0] and _faces[1] and horizontal faces to
}
return isStraight;
}
-
+
//================================================================================
/*!
* \brief Move medium nodes of vertical links of pentahedrons adjacent by side faces
while ( startLink != linksEnd) // loop on columns
{
// We suppose we have a rectangular structure like shown here. We have found a
- // corner of the rectangle (startCorner) and a boundary link sharing
- // |/ |/ | the startCorner (startLink). We are going to loop on rows of the
- // --o---o---o structure making several chains at once. One chain (columnChain)
- // |\ | /| starts at startLink and continues upward (we look at the structure
- // \ | \ | / | from such point that startLink is on the bottom of the structure).
- // \| \|/ | While going upward we also fill horizontal chains (rowChains) we
- // --o---o---o encounter.
+ // corner of the rectangle (startCorner) and a boundary link sharing
+ // |/ |/ | the startCorner (startLink). We are going to loop on rows of the
+ // --o---o---o structure making several chains at once. One chain (columnChain)
+ // |\ | /| starts at startLink and continues upward (we look at the structure
+ // \ | \ | / | from such point that startLink is on the bottom of the structure).
+ // \| \|/ | While going upward we also fill horizontal chains (rowChains) we
+ // --o---o---o encounter.
// /|\ |\ |
// / | \ | \ | startCorner
// | \| \|,'
if ( curvNorm * D2 > 0 )
continue; // convex edge
}
- catch ( Standard_Failure )
+ catch ( Standard_Failure& )
{
continue;
}
const SMDS_MeshElement* f = faceIt->next();
if ( !faceSM->Contains( f ) ||
f->NbNodes() < 6 || // check quadratic triangles only
+ f->NbNodes() > 7 ||
!checkedFaces.insert( f ).second )
continue;
continue;
gp_XYZ edgeDir = SMESH_TNodeXYZ( nOnEdge[0] ) - SMESH_TNodeXYZ( nOnEdge[1] );
gp_XYZ edgeNorm = faceNorm ^ edgeDir;
- n = theHelper.GetMediumNode( nOnEdge[0], nOnEdge[1], true ); // find n, not create
+ n = theHelper.GetMediumNode( nOnEdge[0], nOnEdge[1], true ); // find n, not create
gp_XYZ pN0 = SMESH_TNodeXYZ( nOnEdge[0] );
gp_XYZ pMedium = SMESH_TNodeXYZ( n ); // on-edge node location
gp_XYZ pFaceN = SMESH_TNodeXYZ( nOnFace ); // on-face node location
if ( concaveU || concaveV )
concaveFaces.push_back( face );
}
- catch ( Standard_Failure )
+ catch ( Standard_Failure& )
{
concaveFaces.push_back( face );
}
gp_Pnt pMedium = SMESH_TNodeXYZ( linkIt->second );
double hMedium = faceNorm * gp_Vec( pOnFace0, pMedium ).XYZ();
double hVol = faceNorm * gp_Vec( pOnFace0, pInSolid ).XYZ();
- isDistorted = ( Abs( hMedium ) > Abs( hVol * 0.75 ));
+ if ( Abs( hMedium ) > Abs( hVol * 0.75 ))
+ {
+ SMESH_TNodeXYZ pI( nOnFace[i]), pJ( nOnFace[j]);
+ double angle = gp_Vec( pI, pMedium ).Angle( gp_Vec( pI, pJ ));
+ isDistorted = ( angle > M_PI / 20 );
+ }
}
}
}
if ( !myMesh->HasShapeToMesh() ) return;
SetSubShape( myMesh->GetShapeToMesh() );
-#ifdef _DEBUG_
int nbSolids = 0;
TopTools_IndexedMapOfShape solids;
TopExp::MapShapes(myShape,TopAbs_SOLID,solids);
nbSolids = solids.Extent();
-#endif
+
TopTools_MapOfShape faces; // faces not in solid or in not meshed solid
for ( TopExp_Explorer f(myShape,TopAbs_FACE,TopAbs_SOLID); f.More(); f.Next() ) {
faces.Add( f.Current() ); // not in solid
faces.Add( f.Current() ); // in not meshed solid
}
else { // fix nodes in the solid and its faces
-#ifdef _DEBUG_
MSG("FIX SOLID " << nbSolids-- << " #" << GetMeshDS()->ShapeToIndex(s.Current()));
-#endif
+
SMESH_MesherHelper h(*myMesh);
h.SetSubShape( s.Current() );
h.ToFixNodeParameters(true);
- h.FixQuadraticElements( compError, false );
+ try {
+ OCC_CATCH_SIGNALS;
+ h.FixQuadraticElements( compError, false );
+ }
+ catch(...) {
+ if ( compError && compError->myComment.empty() )
+ compError->myComment = "SMESH_MesherHelper::FixQuadraticElements() failed";
+ }
}
}
// fix nodes on geom faces
-#ifdef _DEBUG_
- int nbfaces = nbSolids;
- nbfaces = faces.Extent(); /*avoid "unused varianbles": */ nbfaces++, nbfaces--;
-#endif
+
+ int nbfaces = faces.Extent();
+
for ( TopTools_MapIteratorOfMapOfShape fIt( faces ); fIt.More(); fIt.Next() ) {
MESSAGE("FIX FACE " << nbfaces-- << " #" << GetMeshDS()->ShapeToIndex(fIt.Key()));
MSG("FIX FACE " << nbfaces-- << " #" << GetMeshDS()->ShapeToIndex(fIt.Key()));
SMESH_MesherHelper h(*myMesh);
h.SetSubShape( fIt.Key() );
h.ToFixNodeParameters(true);
- h.FixQuadraticElements( compError, true);
+ try {
+ OCC_CATCH_SIGNALS;
+ h.FixQuadraticElements( compError, true);
+ }
+ catch(...) {
+ if ( compError && compError->myComment.empty() )
+ compError->myComment = "SMESH_MesherHelper::FixQuadraticElements() failed";
+ }
}
//perf_print_all_meters(1);
if ( compError && compError->myName == EDITERR_NO_MEDIUM_ON_GEOM )
// hasRectFaces = hasRectFaces ||
// ( volTool.GetVolumeType() == SMDS_VolumeTool::QUAD_HEXA ||
// volTool.GetVolumeType() == SMDS_VolumeTool::QUAD_PENTA );
-#ifdef _DEBUG_
- if ( nbN == 6 )
- pFace->_face = GetMeshDS()->FindFace(faceNodes[0],faceNodes[2],faceNodes[4]);
- else
- pFace->_face = GetMeshDS()->FindFace(faceNodes[0],faceNodes[2],
- faceNodes[4],faceNodes[6] );
-#endif
+
+ if (SALOME::VerbosityActivated())
+ {
+ if ( nbN == 6 )
+ pFace->_face = GetMeshDS()->FindFace(faceNodes[0],faceNodes[2],faceNodes[4]);
+ else
+ pFace->_face = GetMeshDS()->FindFace(faceNodes[0],faceNodes[2],
+ faceNodes[4],faceNodes[6] );
+ }
}
// collect pyramid apexes for further correction
if ( vol->NbCornerNodes() == 5 )
while ( len < numeric_limits<double>::min() ) { // remove degenerated link
if ( savedChain.empty() ) savedChain = chain;
link1 = chain.erase( link1 );
- if ( link1 == chain.end() )
+ if ( link1 == chain.end() ) {
+ link1 = --chain.end();
break;
+ }
len = ((*link0)->MiddlePnt() - (*link1)->MiddlePnt()).Modulus();
}
chainLen += len;
linkPos.push_back( chainLen );
}
}
+ if ( chain.begin() == --chain.end() ) // chain.size() == 1
+ continue;
+
gp_Vec move0 = chain.front()->_nodeMove;
gp_Vec move1 = chain.back ()->_nodeMove;
try {
gp_Vec x = x01.Normalized() + x12.Normalized();
trsf.SetTransformation( gp_Ax3( gp::Origin(), link1->Normal(), x), gp_Ax3() );
- } catch ( Standard_Failure ) {
+ } catch ( Standard_Failure& ) {
trsf.Invert();
}
move.Transform(trsf);
move = gp_Vec( XYZ((*link1)->_mediumNode), newPnt.Transformed(loc) );
if ( SMDS_FacePositionPtr nPos = (*link1)->_mediumNode->GetPosition())
nPos->SetParameters( newUV.X(), newUV.Y() );
-#ifdef _DEBUG_
- if ( (XYZ((*link1)->node1()) - XYZ((*link1)->node2())).SquareModulus() <
- move.SquareMagnitude())
+
+ if (SALOME::VerbosityActivated())
{
- gp_XY uv0 = faceHlp.GetNodeUV( face, (*link0)->_mediumNode, 0, &checkUV );
- gp_XY uv2 = faceHlp.GetNodeUV( face, (*link2)->_mediumNode, 0, &checkUV );
- MSG( "TOO LONG MOVE \t" <<
- "uv0: "<<uv0.X()<<", "<<uv0.Y()<<" \t" <<
- "uv2: "<<uv2.X()<<", "<<uv2.Y()<<" \t" <<
- "uvOld: "<<oldUV.X()<<", "<<oldUV.Y()<<" \t" <<
- "newUV: "<<newUV.X()<<", "<<newUV.Y()<<" \t");
- uv0.SetX( uv2.X() ); // avoid warning: variable set but not used
+ if ( (XYZ((*link1)->node1()) - XYZ((*link1)->node2())).SquareModulus() <
+ move.SquareMagnitude())
+ {
+ gp_XY uv0 = faceHlp.GetNodeUV( face, (*link0)->_mediumNode, 0, &checkUV );
+ gp_XY uv2 = faceHlp.GetNodeUV( face, (*link2)->_mediumNode, 0, &checkUV );
+ MSG( "TOO LONG MOVE \t" <<
+ "uv0: "<<uv0.X()<<", "<<uv0.Y()<<" \t" <<
+ "uv2: "<<uv2.X()<<", "<<uv2.Y()<<" \t" <<
+ "uvOld: "<<oldUV.X()<<", "<<oldUV.Y()<<" \t" <<
+ "newUV: "<<newUV.X()<<", "<<newUV.Y()<<" \t");
+ uv0.SetX( uv2.X() ); // avoid warning: variable set but not used
+ }
}
-#endif
(*link1)->Move( move, /*sum=*/false, /*is2dFixed=*/true );
}
MSG( "Move " << (*link1)->_mediumNode->GetID() << " following "
{
uv[ i ] = GetNodeUV( F, nodes[i], nodes[8], &checkUV );
// as this method is used after mesh generation, UV of nodes is not
- // updated according to bending links, so we update
+ // updated according to bending links, so we update
if ( i > 3 && nodes[i]->GetPosition()->GetTypeOfPosition() == SMDS_TOP_FACE )
CheckNodeUV( F, nodes[i], uv[ i ], 2*tol, /*force=*/true );
}
{
uv[ i ] = GetNodeUV( F, nodes[i], nodes[(i+1)%3], &uvOK );
// as this method is used after mesh generation, UV of nodes is not
- // updated according to bending links, so we update
+ // updated according to bending links, so we update
if ( nodes[i]->GetPosition()->GetTypeOfPosition() == SMDS_TOP_FACE )
CheckNodeUV( F, nodes[i], uv[ i ], 2*tol, /*force=*/true );
}
pointsOnShapes[ SMESH_Block::ID_Ex11 ] = SMESH_TNodeXYZ( hexNodes[ 13 ] );
pointsOnShapes[ SMESH_Block::ID_E0y1 ] = SMESH_TNodeXYZ( hexNodes[ 12 ] );
pointsOnShapes[ SMESH_Block::ID_E1y1 ] = SMESH_TNodeXYZ( hexNodes[ 14 ] );
- pointsOnShapes[ SMESH_Block::ID_E00z ] = SMESH_TNodeXYZ( hexNodes[ 16 ] );
- pointsOnShapes[ SMESH_Block::ID_E10z ] = SMESH_TNodeXYZ( hexNodes[ 19 ] );
- pointsOnShapes[ SMESH_Block::ID_E01z ] = SMESH_TNodeXYZ( hexNodes[ 17 ] );
+ pointsOnShapes[ SMESH_Block::ID_E00z ] = SMESH_TNodeXYZ( hexNodes[ 16 ] );
+ pointsOnShapes[ SMESH_Block::ID_E10z ] = SMESH_TNodeXYZ( hexNodes[ 19 ] );
+ pointsOnShapes[ SMESH_Block::ID_E01z ] = SMESH_TNodeXYZ( hexNodes[ 17 ] );
pointsOnShapes[ SMESH_Block::ID_E11z ] = SMESH_TNodeXYZ( hexNodes[ 18 ] );
pointsOnShapes[ SMESH_Block::ID_Fxy0 ] = SMESH_TNodeXYZ( hexNodes[ 20 ] );
pointsOnShapes[ SMESH_Block::ID_Fxy1 ] = SMESH_TNodeXYZ( hexNodes[ 25 ] );
- pointsOnShapes[ SMESH_Block::ID_Fx0z ] = SMESH_TNodeXYZ( hexNodes[ 21 ] );
- pointsOnShapes[ SMESH_Block::ID_Fx1z ] = SMESH_TNodeXYZ( hexNodes[ 23 ] );
- pointsOnShapes[ SMESH_Block::ID_F0yz ] = SMESH_TNodeXYZ( hexNodes[ 24 ] );
+ pointsOnShapes[ SMESH_Block::ID_Fx0z ] = SMESH_TNodeXYZ( hexNodes[ 21 ] );
+ pointsOnShapes[ SMESH_Block::ID_Fx1z ] = SMESH_TNodeXYZ( hexNodes[ 23 ] );
+ pointsOnShapes[ SMESH_Block::ID_F0yz ] = SMESH_TNodeXYZ( hexNodes[ 24 ] );
pointsOnShapes[ SMESH_Block::ID_F1yz ] = SMESH_TNodeXYZ( hexNodes[ 22 ] );
gp_XYZ nCenterParams(0.5, 0.5, 0.5), nCenterCoords;
volExp.Set( *pentIt, /*ignoreCentralNodes=*/false );
}
}
-#ifdef _DEBUG_
- // avoid warning: defined but not used operator<<()
- SMESH_Comment() << *links.begin() << *faces.begin();
-#endif
+
+ if ( false )
+ // avoid warning: defined but not used operator<<()
+ SMESH_Comment() << *links.begin() << *faces.begin();
+
+ return;
}
//================================================================================
{
const char* name = "/tmp/shape.brep";
BRepTools::Write( s, name );
-#ifdef _DEBUG_
- std::cout << name << std::endl;
-#endif
+ MESSAGE(name);
}
