-// Copyright (C) 2007-2014 CEA/DEN, EDF R&D, OPEN CASCADE
+// Copyright (C) 2007-2015 CEA/DEN, EDF R&D, 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_IteratorOnIterators.hxx"
#include "SMDS_VolumeTool.hxx"
#include "SMESH_Block.hxx"
+#include "SMESH_HypoFilter.hxx"
#include "SMESH_MeshAlgos.hxx"
#include "SMESH_ProxyMesh.hxx"
#include "SMESH_subMesh.hxx"
namespace {
- gp_XYZ XYZ(const SMDS_MeshNode* n) { return gp_XYZ(n->X(), n->Y(), n->Z()); }
+ inline SMESH_TNodeXYZ XYZ(const SMDS_MeshNode* n) { return SMESH_TNodeXYZ(n); }
enum { U_periodic = 1, V_periodic = 2 };
}
SMDSAbs_ElementType elemType( subType==TopAbs_FACE ? SMDSAbs_Face : SMDSAbs_Edge );
- int nbOldLinks = myTLinkNodeMap.size();
+ //int nbOldLinks = myTLinkNodeMap.size();
if ( !myMesh->HasShapeToMesh() )
{
}
}
- if ( nbOldLinks == myTLinkNodeMap.size() )
+ // if ( nbOldLinks == myTLinkNodeMap.size() ) -- 0023068
+ if ( myTLinkNodeMap.empty() )
myCreateQuadratic = false;
- if(!myCreateQuadratic) {
+ if ( !myCreateQuadratic )
myTLinkNodeMap.clear();
- }
+
SetSubShape( aSh );
return myCreateQuadratic;
{
// look for a "seam" edge, a real seam or an edge on period boundary
TopoDS_Edge edge = TopoDS::Edge( exp.Current() );
+ const int edgeID = meshDS->ShapeToIndex( edge );
if ( myParIndex )
{
BRep_Tool::UVPoints( edge, face, uv1, uv2 );
isSeam = ( Abs( uv1.Coord(2) - myPar1[1] ) < Precision::PConfusion() ||
Abs( uv1.Coord(2) - myPar2[1] ) < Precision::PConfusion() );
}
+ if ( isSeam ) // vertices are on period boundary, check a middle point (23032)
+ {
+ double f,l, r = 0.2345;
+ Handle(Geom2d_Curve) C2d = BRep_Tool::CurveOnSurface( edge, face, f, l );
+ uv2 = C2d->Value( f * r + l * ( 1.-r ));
+ if ( du < Precision::PConfusion() )
+ isSeam = ( Abs( uv1.Coord(1) - uv2.Coord(1) ) < Precision::PConfusion() );
+ else
+ isSeam = ( Abs( uv1.Coord(2) - uv2.Coord(2) ) < Precision::PConfusion() );
+ }
}
if ( isSeam )
{
- // store seam shape indices, negative if shape encounters twice
- int edgeID = meshDS->ShapeToIndex( edge );
+ // store seam shape indices, negative if shape encounters twice ('real seam')
mySeamShapeIds.insert( IsSeamShape( edgeID ) ? -edgeID : edgeID );
for ( TopExp_Explorer v( edge, TopAbs_VERTEX ); v.More(); v.Next() ) {
int vertexID = meshDS->ShapeToIndex( v.Current() );
}
// look for a degenerated edge
if ( SMESH_Algo::isDegenerated( edge )) {
- myDegenShapeIds.insert( meshDS->ShapeToIndex( edge ));
+ myDegenShapeIds.insert( edgeID );
for ( TopExp_Explorer v( edge, TopAbs_VERTEX ); v.More(); v.Next() )
myDegenShapeIds.insert( meshDS->ShapeToIndex( v.Current() ));
}
+ if ( !BRep_Tool::SameParameter( edge ) ||
+ !BRep_Tool::SameRange( edge ))
+ {
+ setPosOnShapeValidity( edgeID, false );
+ }
}
}
}
//=======================================================================
-//function : GetUVOnSeam
+//function : getUVOnSeam
//purpose : Select UV on either of 2 pcurves of a seam edge, closest to the given UV
//=======================================================================
-gp_Pnt2d SMESH_MesherHelper::GetUVOnSeam( const gp_Pnt2d& uv1, const gp_Pnt2d& uv2 ) const
+gp_Pnt2d SMESH_MesherHelper::getUVOnSeam( const gp_Pnt2d& uv1, const gp_Pnt2d& uv2 ) const
{
gp_Pnt2d result = uv1;
for ( int i = U_periodic; i <= V_periodic ; ++i )
const SMDS_PositionPtr Pos = n->GetPosition();
bool uvOK = false;
- if(Pos->GetTypeOfPosition()==SMDS_TOP_FACE)
+ if ( Pos->GetTypeOfPosition() == SMDS_TOP_FACE )
{
// node has position on face
- const SMDS_FacePosition* fpos =
- static_cast<const SMDS_FacePosition*>( Pos );
- uv.SetCoord(fpos->GetUParameter(),fpos->GetVParameter());
+ const SMDS_FacePosition* fpos = static_cast<const SMDS_FacePosition*>( Pos );
+ uv.SetCoord( fpos->GetUParameter(), fpos->GetVParameter() );
if ( check )
- uvOK = CheckNodeUV( F, n, uv.ChangeCoord(), 10*MaxTolerance( F ));
+ uvOK = CheckNodeUV( F, n, uv.ChangeCoord(), 2.*getFaceMaxTol( F )); // 2. from 22830
}
- else if(Pos->GetTypeOfPosition()==SMDS_TOP_EDGE)
+ else if ( Pos->GetTypeOfPosition() == SMDS_TOP_EDGE )
{
- // node has position on edge => it is needed to find
- // corresponding edge from face, get pcurve for this
- // edge and retrieve value from this pcurve
- const SMDS_EdgePosition* epos =
- static_cast<const SMDS_EdgePosition*>( Pos );
- int edgeID = n->getshapeId();
- TopoDS_Edge E = TopoDS::Edge(GetMeshDS()->IndexToShape(edgeID));
+ // node has position on EDGE => it is needed to find
+ // corresponding EDGE from FACE, get pcurve for this
+ // EDGE and retrieve value from this pcurve
+ const SMDS_EdgePosition* epos = static_cast<const SMDS_EdgePosition*>( Pos );
+ 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);
- bool validU = ( f < u && u < l );
- if ( validU )
- uv = C2d->Value( u );
- else
- uv.SetCoord( Precision::Infinite(),0.);
+ 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 ( check || !validU )
- uvOK = CheckNodeUV( F, n, uv.ChangeCoord(), 10*MaxTolerance( F ),/*force=*/ !validU );
+ uvOK = CheckNodeUV( F, n, uv.ChangeCoord(), 2.*getFaceMaxTol( F ),/*force=*/ !validU );
- // for a node on a seam edge select one of UVs on 2 pcurves
- if ( n2 && IsSeamShape( edgeID ) )
+ // for a node on a seam EDGE select one of UVs on 2 pcurves
+ if ( n2 && IsSeamShape( edgeID ))
{
- uv = GetUVOnSeam( uv, GetNodeUV( F, n2, 0, check ));
+ uv = getUVOnSeam( uv, GetNodeUV( F, n2, 0, check ));
}
else
{ // adjust uv to period
if ( isUPeriodic || isVPeriodic ) {
Standard_Real UF,UL,VF,VL;
S->Bounds(UF,UL,VF,VL);
- if ( isUPeriodic )
- newUV.SetX( uv.X() + ShapeAnalysis::AdjustToPeriod(uv.X(),UF,UL));
- if ( isVPeriodic )
- newUV.SetY( uv.Y() + ShapeAnalysis::AdjustToPeriod(uv.Y(),VF,VL));
- }
- if ( n2 )
- {
- gp_Pnt2d uv2 = GetNodeUV( F, n2, 0, check );
- if ( isUPeriodic && Abs( uv.X()-uv2.X() ) < Abs( newUV.X()-uv2.X() ))
- newUV.SetX( uv.X() );
- if ( isVPeriodic && Abs( uv.Y()-uv2.Y() ) < Abs( newUV.Y()-uv2.Y() ))
- newUV.SetY( uv.Y() );
+ if ( isUPeriodic ) newUV.SetX( uv.X() + ShapeAnalysis::AdjustToPeriod(uv.X(),UF,UL));
+ if ( isVPeriodic ) newUV.SetY( uv.Y() + ShapeAnalysis::AdjustToPeriod(uv.Y(),VF,VL));
+
+ if ( n2 )
+ {
+ gp_Pnt2d uv2 = GetNodeUV( F, n2, 0, check );
+ if ( isUPeriodic && Abs( uv.X()-uv2.X() ) < Abs( newUV.X()-uv2.X() ))
+ newUV.SetX( uv.X() );
+ if ( isVPeriodic && Abs( uv.Y()-uv2.Y() ) < Abs( newUV.Y()-uv2.Y() ))
+ newUV.SetY( uv.Y() );
+ }
}
uv = newUV;
}
}
- else if(Pos->GetTypeOfPosition()==SMDS_TOP_VERTEX)
+ else if ( Pos->GetTypeOfPosition() == SMDS_TOP_VERTEX )
{
if ( int vertexID = n->getshapeId() ) {
const TopoDS_Vertex& V = TopoDS::Vertex(GetMeshDS()->IndexToShape(vertexID));
}
catch (Standard_Failure& exc) {
}
- if ( !uvOK ) {
- for ( TopExp_Explorer vert(F,TopAbs_VERTEX); !uvOK && vert.More(); vert.Next() )
- uvOK = ( V == vert.Current() );
- if ( !uvOK ) {
+ if ( !uvOK )
+ {
+ if ( !IsSubShape( V, F ))
+ {
MESSAGE ( "SMESH_MesherHelper::GetNodeUV(); Vertex " << vertexID
<< " not in face " << GetMeshDS()->ShapeToIndex( F ) );
// get UV of a vertex closest to the node
double dist = 1e100;
gp_Pnt pn = XYZ( n );
- for ( TopExp_Explorer vert(F,TopAbs_VERTEX); !uvOK && vert.More(); vert.Next() ) {
+ for ( TopExp_Explorer vert( F,TopAbs_VERTEX ); !uvOK && vert.More(); vert.Next() ) {
TopoDS_Vertex curV = TopoDS::Vertex( vert.Current() );
gp_Pnt p = BRep_Tool::Pnt( curV );
double curDist = p.SquareDistance( pn );
}
}
}
- else {
+ else
+ {
uvOK = false;
TopTools_ListIteratorOfListOfShape it( myMesh->GetAncestors( V ));
for ( ; it.More(); it.Next() ) {
double f,l;
Handle(Geom2d_Curve) C2d = BRep_Tool::CurveOnSurface(edge, F, f, l);
if ( !C2d.IsNull() ) {
- double u = ( V == TopExp::FirstVertex( edge ) ) ? f : l;
+ double u = ( V == IthVertex( 0, edge )) ? f : l;
uv = C2d->Value( u );
uvOK = true;
break;
}
}
}
+ if ( !uvOK && V.Orientation() == TopAbs_INTERNAL )
+ {
+ Handle(ShapeAnalysis_Surface) projector = GetSurface( F );
+ if ( n2 ) uv = GetNodeUV( F, n2 );
+ if ( Precision::IsInfinite( uv.X() ))
+ uv = projector->NextValueOfUV( uv, BRep_Tool::Pnt( V ), BRep_Tool::Tolerance( F ));
+ else
+ uv = projector->ValueOfUV( BRep_Tool::Pnt( V ), BRep_Tool::Tolerance( F ));
+ uvOK = ( projector->Gap() < getFaceMaxTol( F ));
+ }
}
}
- if ( n2 && IsSeamShape( vertexID ) )
- uv = GetUVOnSeam( uv, GetNodeUV( F, n2, 0 ));
+ if ( n2 && IsSeamShape( vertexID ))
+ {
+ bool isSeam = ( myShape.IsSame( F ));
+ if ( !isSeam ) {
+ SMESH_MesherHelper h( *myMesh );
+ h.SetSubShape( F );
+ isSeam = IsSeamShape( vertexID );
+ }
+
+ if ( isSeam )
+ uv = getUVOnSeam( uv, GetNodeUV( F, n2, 0 ));
+ }
}
}
else
{
- uvOK = CheckNodeUV( F, n, uv.ChangeCoord(), 10*MaxTolerance( F ));
+ uvOK = CheckNodeUV( F, n, uv.ChangeCoord(), 2.*getFaceMaxTol( F ));
}
- if ( check )
+ if ( check && !uvOK )
*check = uvOK;
return uv.XY();
double distXYZ[4]) const
{
int shapeID = n->getshapeId();
- bool infinit = ( Precision::IsInfinite( uv.X() ) || Precision::IsInfinite( uv.Y() ));
- bool zero = ( uv.X() == 0. && uv.Y() == 0. );
- if ( force || toCheckPosOnShape( shapeID ) || infinit || zero )
+ bool infinit;
+ if (( infinit = ( Precision::IsInfinite( uv.X() ) || Precision::IsInfinite( uv.Y() ))) ||
+ ( force ) ||
+ ( uv.X() == 0. && uv.Y() == 0. ) ||
+ ( toCheckPosOnShape( shapeID )))
{
// check that uv is correct
TopLoc_Location loc;
const_cast<SMDS_MeshNode*>(n)->SetPosition
( SMDS_PositionPtr( new SMDS_FacePosition( U, V )));
}
- else if ( uv.Modulus() > numeric_limits<double>::min() )
+ else if ( myShape.IsSame(F) && uv.Modulus() > numeric_limits<double>::min() )
{
setPosOnShapeValidity( shapeID, true );
}
return *( i_proj->second );
}
+//=======================================================================
+//function : GetSurface
+//purpose : Return a cached ShapeAnalysis_Surface of a FACE
+//=======================================================================
+
+Handle(ShapeAnalysis_Surface) SMESH_MesherHelper::GetSurface(const TopoDS_Face& F ) const
+{
+ Handle(Geom_Surface) surface = BRep_Tool::Surface( F );
+ int faceID = GetMeshDS()->ShapeToIndex( F );
+ TID2Surface::iterator i_surf = myFace2Surface.find( faceID );
+ if ( i_surf == myFace2Surface.end() && faceID )
+ {
+ Handle(ShapeAnalysis_Surface) surf( new ShapeAnalysis_Surface( surface ));
+ i_surf = myFace2Surface.insert( make_pair( faceID, surf )).first;
+ }
+ return i_surf->second;
+}
+
namespace
{
gp_XY AverageUV(const gp_XY& uv1, const gp_XY& uv2) { return ( uv1 + uv2 ) / 2.; }
}
//=======================================================================
-//function : applyIn2D
+//function : ApplyIn2D
//purpose : Perform given operation on two 2d points in parameric space of given surface.
// It takes into account period of the surface. Use gp_XY_FunPtr macro
// to easily define pointer to function of gp_XY class.
//=======================================================================
-gp_XY SMESH_MesherHelper::applyIn2D(const Handle(Geom_Surface)& surface,
- const gp_XY& uv1,
- const gp_XY& uv2,
- xyFunPtr fun,
- const bool resultInPeriod)
+gp_XY SMESH_MesherHelper::ApplyIn2D(Handle(Geom_Surface) surface,
+ const gp_XY& uv1,
+ const gp_XY& uv2,
+ xyFunPtr fun,
+ const bool resultInPeriod)
{
+ if ( surface->IsKind(STANDARD_TYPE(Geom_RectangularTrimmedSurface )))
+ surface = Handle(Geom_RectangularTrimmedSurface)::DownCast( surface )->BasisSurface();
Standard_Boolean isUPeriodic = surface.IsNull() ? false : surface->IsUPeriodic();
Standard_Boolean isVPeriodic = surface.IsNull() ? false : surface->IsVPeriodic();
if ( !isUPeriodic && !isVPeriodic )
return res;
}
+
+//=======================================================================
+//function : AdjustByPeriod
+//purpose : Move node positions on a FACE within surface period
+//=======================================================================
+
+void SMESH_MesherHelper::AdjustByPeriod( const TopoDS_Face& face, gp_XY uv[], const int nbUV )
+{
+ SMESH_MesherHelper h( *myMesh ), *ph = face.IsSame( myShape ) ? this : &h;
+ ph->SetSubShape( face );
+
+ for ( int iCoo = U_periodic; iCoo <= V_periodic; ++iCoo )
+ if ( ph->GetPeriodicIndex() & iCoo )
+ {
+ const double period = ( ph->myPar2[iCoo-1] - ph->myPar1[iCoo-1] );
+ const double xRef = uv[0].Coord( iCoo );
+ for ( int i = 1; i < nbUV; ++i )
+ {
+ double x = uv[i].Coord( iCoo );
+ double dx = ShapeAnalysis::AdjustByPeriod( x, xRef, period );
+ uv[i].SetCoord( iCoo, x + dx );
+ }
+ }
+}
+
//=======================================================================
//function : GetMiddleUV
//purpose : Return middle UV taking in account surface period
const gp_XY& p2)
{
// NOTE:
- // the proper place of getting basic surface seems to be in applyIn2D()
+ // the proper place of getting basic surface seems to be in ApplyIn2D()
// but we put it here to decrease a risk of regressions just before releasing a version
- Handle(Geom_Surface) surf = surface;
- while ( !surf.IsNull() && surf->IsKind(STANDARD_TYPE(Geom_RectangularTrimmedSurface )))
- surf = Handle(Geom_RectangularTrimmedSurface)::DownCast( surf )->BasisSurface();
+ // Handle(Geom_Surface) surf = surface;
+ // while ( !surf.IsNull() && surf->IsKind(STANDARD_TYPE(Geom_RectangularTrimmedSurface )))
+ // surf = Handle(Geom_RectangularTrimmedSurface)::DownCast( surf )->BasisSurface();
- return applyIn2D( surf, p1, p2, & AverageUV );
+ return ApplyIn2D( surface, p1, p2, & AverageUV );
}
//=======================================================================
double distXYZ[4]) const
{
int shapeID = n->getshapeId();
- bool infinit = Precision::IsInfinite( u );
- bool zero = ( u == 0. );
- if ( force || infinit || zero || toCheckPosOnShape( shapeID ))
+ bool infinit;
+ if (( infinit = Precision::IsInfinite( u )) ||
+ ( force ) ||
+ ( u == 0. ) ||
+ ( toCheckPosOnShape( shapeID )))
{
TopLoc_Location loc; double f,l;
Handle(Geom_Curve) curve = BRep_Tool::Curve( E,loc,f,l );
//=======================================================================
//function : GetMediumPos
//purpose : Return index and type of the shape (EDGE or FACE only) to
-// set a medium node on
+// set a medium node on
//param : useCurSubShape - if true, returns the shape set via SetSubShape()
// if any
+//param : expectedSupport - shape type corresponding to element being created,
+// e.g TopAbs_EDGE if SMDSAbs_Edge is created
+// basing on \a n1 and \a n2
+// Calling GetMediumPos() with useCurSubShape=true is OK only for the
+// case where the lower dim mesh is already constructed and converted to quadratic,
+// else, nodes on EDGEs are assigned to FACE, for example.
//=======================================================================
std::pair<int, TopAbs_ShapeEnum>
SMESH_MesherHelper::GetMediumPos(const SMDS_MeshNode* n1,
const SMDS_MeshNode* n2,
- const bool useCurSubShape)
+ const bool useCurSubShape,
+ TopAbs_ShapeEnum expectedSupport)
{
if ( useCurSubShape && !myShape.IsNull() )
return std::make_pair( myShapeID, myShape.ShapeType() );
shapeID = n2->getshapeId();
shape = GetSubShapeByNode( n1, GetMeshDS() );
}
- else
+ else // 2 different shapes
{
const SMDS_TypeOfPosition Pos1 = n1->GetPosition()->GetTypeOfPosition();
const SMDS_TypeOfPosition Pos2 = n2->GetPosition()->GetTypeOfPosition();
if ( Pos1 == SMDS_TOP_3DSPACE || Pos2 == SMDS_TOP_3DSPACE )
{
+ // in SOLID
}
else if ( Pos1 == SMDS_TOP_FACE || Pos2 == SMDS_TOP_FACE )
{
- if ( Pos1 != SMDS_TOP_FACE || Pos2 != SMDS_TOP_FACE )
+ // in FACE or SOLID
+ if ( Pos1 != SMDS_TOP_FACE || Pos2 != SMDS_TOP_FACE ) // not 2 FACEs
{
if ( Pos1 != SMDS_TOP_FACE ) std::swap( n1,n2 );
TopoDS_Shape F = GetSubShapeByNode( n1, GetMeshDS() );
shape = GetCommonAncestor( V1, V2, *myMesh, TopAbs_EDGE );
if ( shape.IsNull() ) shape = GetCommonAncestor( V1, V2, *myMesh, TopAbs_FACE );
}
- else // VERTEX and EDGE
+ else // on VERTEX and EDGE
{
if ( Pos1 != SMDS_TOP_VERTEX ) std::swap( n1,n2 );
TopoDS_Shape V = GetSubShapeByNode( n1, GetMeshDS() );
{
if ( shapeID < 1 )
shapeID = GetMeshDS()->ShapeToIndex( shape );
- shapeType = shape.ShapeType();
+ shapeType = shape.ShapeType(); // EDGE or FACE
+
+ if ( expectedSupport < shapeType &&
+ expectedSupport != TopAbs_SHAPE &&
+ !myShape.IsNull() &&
+ myShape.ShapeType() == expectedSupport )
+ {
+ // e.g. a side of triangle connects nodes on the same EDGE but does not
+ // lie on this EDGE (an arc with a coarse mesh)
+ // => shapeType == TopAbs_EDGE, expectedSupport == TopAbs_FACE;
+ // hope that myShape is a right shape, return it if the found shape
+ // has converted elements of corresponding dim (segments in our example)
+ int nbConvertedElems = 0;
+ SMDSAbs_ElementType type = ( shapeType == TopAbs_FACE ? SMDSAbs_Face : SMDSAbs_Edge );
+ for ( int iN = 0; iN < 2; ++iN )
+ {
+ const SMDS_MeshNode* n = iN ? n2 : n1;
+ SMDS_ElemIteratorPtr it = n->GetInverseElementIterator( type );
+ while ( it->more() )
+ {
+ const SMDS_MeshElement* elem = it->next();
+ if ( elem->getshapeId() == shapeID &&
+ elem->IsQuadratic() )
+ {
+ ++nbConvertedElems;
+ break;
+ }
+ }
+ }
+ if ( nbConvertedElems == 2 )
+ {
+ shapeType = myShape.ShapeType();
+ shapeID = myShapeID;
+ }
+ }
}
return make_pair( shapeID, shapeType );
}
}
else
{
- PShapeIteratorPtr it = GetAncestors(shape, *GetMesh(), TopAbs_FACE );
+ PShapeIteratorPtr it = GetAncestors( shape, *GetMesh(), TopAbs_FACE );
while ( const TopoDS_Shape* face = it->next() )
{
faceID = meshDS->ShapeToIndex( *face );
- itMapWithIdFace = faceId2nbNodes.insert( std::make_pair( faceID, 0 ) ).first;
+ itMapWithIdFace = faceId2nbNodes.insert( std::make_pair( faceID, 0 )).first;
itMapWithIdFace->second++;
}
}
if ( solidID < 1 && !faceId2nbNodes.empty() ) // SOLID not found
{
// find ID of the FACE the four corner nodes belong to
- itMapWithIdFace = faceId2nbNodes.begin();
- for ( ; itMapWithIdFace != faceId2nbNodes.end(); ++itMapWithIdFace)
+ itMapWithIdFace = faceId2nbNodes.find( myShapeID ); // IPAL52698
+ if ( itMapWithIdFace != faceId2nbNodes.end() &&
+ itMapWithIdFace->second == 4 )
+ {
+ shapeType = TopAbs_FACE;
+ faceID = myShapeID;
+ }
+ else
{
- if ( itMapWithIdFace->second == 4 )
+ itMapWithIdFace = faceId2nbNodes.begin();
+ for ( ; itMapWithIdFace != faceId2nbNodes.end(); ++itMapWithIdFace)
{
- shapeType = TopAbs_FACE;
- faceID = (*itMapWithIdFace).first;
- break;
+ if ( itMapWithIdFace->second == 4 )
+ {
+ shapeType = TopAbs_FACE;
+ faceID = (*itMapWithIdFace).first;
+ break;
+ }
}
}
}
bool toCheck = true;
if ( !F.IsNull() && !force3d )
{
- uvAvg = calcTFI (0.5, 0.5,
- GetNodeUV(F,n1,n3,&toCheck), GetNodeUV(F,n2,n4,&toCheck),
- GetNodeUV(F,n3,n1,&toCheck), GetNodeUV(F,n4,n2,&toCheck),
- GetNodeUV(F,n12,n3), GetNodeUV(F,n23,n4),
- GetNodeUV(F,n34,n2), GetNodeUV(F,n41,n2));
- TopLoc_Location loc;
- Handle( Geom_Surface ) S = BRep_Tool::Surface( F, loc );
- P = S->Value( uvAvg.X(), uvAvg.Y() ).Transformed( loc );
+ Handle(ShapeAnalysis_Surface) surface = GetSurface( F );
+ if ( HasDegeneratedEdges() || surface->HasSingularities( 1e-7 ))
+ {
+ gp_Pnt center = calcTFI (0.5, 0.5, // IPAL0052863
+ SMESH_TNodeXYZ(n1), SMESH_TNodeXYZ(n2),
+ SMESH_TNodeXYZ(n3), SMESH_TNodeXYZ(n4),
+ SMESH_TNodeXYZ(n12), SMESH_TNodeXYZ(n23),
+ SMESH_TNodeXYZ(n34), SMESH_TNodeXYZ(n41));
+ gp_Pnt2d uv12 = GetNodeUV( F, n12, n3, &toCheck );
+ uvAvg = surface->NextValueOfUV( uv12, center, BRep_Tool::Tolerance( F )).XY();
+ }
+ else
+ {
+ gp_XY uv[8] = {
+ GetNodeUV( F,n1, n3, &toCheck ),
+ GetNodeUV( F,n2, n4, &toCheck ),
+ GetNodeUV( F,n3, n1, &toCheck ),
+ GetNodeUV( F,n4, n2, &toCheck ),
+ GetNodeUV( F,n12, n3 ),
+ GetNodeUV( F,n23, n4 ),
+ GetNodeUV( F,n34, n2 ),
+ GetNodeUV( F,n41, n2 )
+ };
+ AdjustByPeriod( F, uv, 8 ); // put uv[] within a period (IPAL52698)
+
+ uvAvg = calcTFI (0.5, 0.5, uv[0],uv[1],uv[2],uv[3], uv[4],uv[5],uv[6],uv[7] );
+ }
+ P = surface->Value( uvAvg );
centralNode = meshDS->AddNode( P.X(), P.Y(), P.Z() );
// if ( mySetElemOnShape ) node is not elem!
meshDS->SetNodeOnFace( centralNode, faceID, uvAvg.X(), uvAvg.Y() );
{
P = calcTFI (0.5, 0.5,
SMESH_TNodeXYZ(n1), SMESH_TNodeXYZ(n2),
- SMESH_TNodeXYZ(n3), SMESH_TNodeXYZ(n4),
+ SMESH_TNodeXYZ(n3), SMESH_TNodeXYZ(n4),
SMESH_TNodeXYZ(n12), SMESH_TNodeXYZ(n23),
SMESH_TNodeXYZ(n34), SMESH_TNodeXYZ(n41));
centralNode = meshDS->AddNode( P.X(), P.Y(), P.Z() );
if ( solidID < 1 && !faceId2nbNodes.empty() ) // SOLID not found
{
// find ID of the FACE the four corner nodes belong to
- itMapWithIdFace = faceId2nbNodes.begin();
- for ( ; itMapWithIdFace != faceId2nbNodes.end(); ++itMapWithIdFace)
+ itMapWithIdFace = faceId2nbNodes.find( myShapeID ); // IPAL52698
+ if ( itMapWithIdFace != faceId2nbNodes.end() &&
+ itMapWithIdFace->second == 4 )
+ {
+ shapeType = TopAbs_FACE;
+ faceID = myShapeID;
+ }
+ else
{
- if ( itMapWithIdFace->second == 3 )
+ itMapWithIdFace = faceId2nbNodes.begin();
+ for ( ; itMapWithIdFace != faceId2nbNodes.end(); ++itMapWithIdFace)
{
- shapeType = TopAbs_FACE;
- faceID = (*itMapWithIdFace).first;
- break;
+ if ( itMapWithIdFace->second == 3 )
+ {
+ shapeType = TopAbs_FACE;
+ faceID = (*itMapWithIdFace).first;
+ break;
+ }
}
}
}
TopoDS_Face F;
gp_XY uvAvg;
- bool badTria=false;
if ( shapeType == TopAbs_FACE )
{
F = TopoDS::Face( meshDS->IndexToShape( faceID ));
- bool check;
- gp_XY uv1 = GetNodeUV( F, n1, n23, &check );
- gp_XY uv2 = GetNodeUV( F, n2, n31, &check );
- gp_XY uv3 = GetNodeUV( F, n3, n12, &check );
- gp_XY uv12 = GetNodeUV( F, n12, n3, &check );
- gp_XY uv23 = GetNodeUV( F, n23, n1, &check );
- gp_XY uv31 = GetNodeUV( F, n31, n2, &check );
- uvAvg = GetCenterUV( uv1,uv2,uv3, uv12,uv23,uv31, &badTria );
- if ( badTria )
- force3d = false;
+ bool checkOK = true, badTria = false;
+ gp_XY uv[6] = {
+ GetNodeUV( F, n1, n23, &checkOK ),
+ GetNodeUV( F, n2, n31, &checkOK ),
+ GetNodeUV( F, n3, n12, &checkOK ),
+ GetNodeUV( F, n12, n3, &checkOK ),
+ GetNodeUV( F, n23, n1, &checkOK ),
+ GetNodeUV( F, n31, n2, &checkOK )
+ };
+ AdjustByPeriod( F, uv, 6 ); // put uv[] within a period (IPAL52698)
+
+ uvAvg = GetCenterUV( uv[0],uv[1],uv[2], uv[3],uv[4],uv[5], &badTria );
+
+ if ( badTria || !checkOK )
+ force3d = true;
}
// Create a central node
const SMDS_MeshNode* SMESH_MesherHelper::GetMediumNode(const SMDS_MeshNode* n1,
const SMDS_MeshNode* n2,
- bool force3d)
+ bool force3d,
+ TopAbs_ShapeEnum expectedSupport)
{
// Find existing node
int faceID = -1, edgeID = -1;
TopoDS_Edge E; double u [2];
TopoDS_Face F; gp_XY uv[2];
- bool uvOK[2] = { false, false };
+ bool uvOK[2] = { true, true };
+ const bool useCurSubShape = ( !myShape.IsNull() && myShape.ShapeType() == TopAbs_EDGE );
- pair<int, TopAbs_ShapeEnum> pos = GetMediumPos( n1, n2, mySetElemOnShape );
- // calling GetMediumPos() with useCurSubShape=mySetElemOnShape is OK only for the
- // case where the lower dim mesh is already constructed, else, nodes on EDGEs are
- // assigned to FACE, for example.
+ pair<int, TopAbs_ShapeEnum> pos = GetMediumPos( n1, n2, useCurSubShape, expectedSupport );
// get positions of the given nodes on shapes
if ( pos.second == TopAbs_FACE )
{
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 )
elem = meshDS->AddFace(n1, n2, n3);
}
else {
- const SMDS_MeshNode* n12 = GetMediumNode(n1,n2,force3d);
- const SMDS_MeshNode* n23 = GetMediumNode(n2,n3,force3d);
- const SMDS_MeshNode* n31 = GetMediumNode(n3,n1,force3d);
+ const SMDS_MeshNode* n12 = GetMediumNode( n1, n2, force3d, TopAbs_FACE );
+ const SMDS_MeshNode* n23 = GetMediumNode( n2, n3, force3d, TopAbs_FACE );
+ const SMDS_MeshNode* n31 = GetMediumNode( n3, n1, force3d, TopAbs_FACE );
if(myCreateBiQuadratic)
{
const SMDS_MeshNode* nCenter = GetCentralNode(n1, n2, n3, n12, n23, n31, force3d);
elem = meshDS->AddFace(n1, n2, n3, n4);
}
else {
- const SMDS_MeshNode* n12 = GetMediumNode(n1,n2,force3d);
- const SMDS_MeshNode* n23 = GetMediumNode(n2,n3,force3d);
- const SMDS_MeshNode* n34 = GetMediumNode(n3,n4,force3d);
- const SMDS_MeshNode* n41 = GetMediumNode(n4,n1,force3d);
+ const SMDS_MeshNode* n12 = GetMediumNode( n1, n2, force3d, TopAbs_FACE );
+ const SMDS_MeshNode* n23 = GetMediumNode( n2, n3, force3d, TopAbs_FACE );
+ const SMDS_MeshNode* n34 = GetMediumNode( n3, n4, force3d, TopAbs_FACE );
+ const SMDS_MeshNode* n41 = GetMediumNode( n4, n1, force3d, TopAbs_FACE );
if(myCreateBiQuadratic)
{
const SMDS_MeshNode* nCenter = GetCentralNode(n1, n2, n3, n4, n12, n23, n34, n41, force3d);
SMESHDS_Mesh * meshDS = GetMeshDS();
SMDS_MeshFace* elem = 0;
- if(!myCreateQuadratic) {
+ if(!myCreateQuadratic)
+ {
if(id)
elem = meshDS->AddPolygonalFaceWithID(nodes, id);
else
elem = meshDS->AddPolygonalFace(nodes);
}
- else {
- vector<const SMDS_MeshNode*> newNodes;
- for ( int i = 0; i < nodes.size(); ++i )
+ else
+ {
+ vector<const SMDS_MeshNode*> newNodes( nodes.size() * 2 );
+ newNodes = nodes;
+ for ( size_t i = 0; i < nodes.size(); ++i )
{
const SMDS_MeshNode* n1 = nodes[i];
const SMDS_MeshNode* n2 = nodes[(i+1)%nodes.size()];
- const SMDS_MeshNode* n12 = GetMediumNode(n1,n2,force3d);
- newNodes.push_back( n1 );
+ const SMDS_MeshNode* n12 = GetMediumNode( n1, n2, force3d, TopAbs_FACE );
newNodes.push_back( n12 );
}
if(id)
- elem = meshDS->AddPolygonalFaceWithID(newNodes, id);
+ elem = meshDS->AddQuadPolygonalFaceWithID(newNodes, id);
else
- elem = meshDS->AddPolygonalFace(newNodes);
+ elem = meshDS->AddQuadPolygonalFace(newNodes);
}
if ( mySetElemOnShape && myShapeID > 0 )
meshDS->SetMeshElementOnShape( elem, myShapeID );
elem = meshDS->AddVolume(n1, n2, n3, n4, n5, n6);
}
else {
- const SMDS_MeshNode* n12 = GetMediumNode(n1,n2,force3d);
- const SMDS_MeshNode* n23 = GetMediumNode(n2,n3,force3d);
- const SMDS_MeshNode* n31 = GetMediumNode(n3,n1,force3d);
+ const SMDS_MeshNode* n12 = GetMediumNode( n1, n2, force3d, TopAbs_SOLID );
+ const SMDS_MeshNode* n23 = GetMediumNode( n2, n3, force3d, TopAbs_SOLID );
+ const SMDS_MeshNode* n31 = GetMediumNode( n3, n1, force3d, TopAbs_SOLID );
- const SMDS_MeshNode* n45 = GetMediumNode(n4,n5,force3d);
- const SMDS_MeshNode* n56 = GetMediumNode(n5,n6,force3d);
- const SMDS_MeshNode* n64 = GetMediumNode(n6,n4,force3d);
+ const SMDS_MeshNode* n45 = GetMediumNode( n4, n5, force3d, TopAbs_SOLID );
+ const SMDS_MeshNode* n56 = GetMediumNode( n5, n6, force3d, TopAbs_SOLID );
+ const SMDS_MeshNode* n64 = GetMediumNode( n6, n4, force3d, TopAbs_SOLID );
- const SMDS_MeshNode* n14 = GetMediumNode(n1,n4,force3d);
- const SMDS_MeshNode* n25 = GetMediumNode(n2,n5,force3d);
- const SMDS_MeshNode* n36 = GetMediumNode(n3,n6,force3d);
+ const SMDS_MeshNode* n14 = GetMediumNode( n1, n4, force3d, TopAbs_SOLID );
+ const SMDS_MeshNode* n25 = GetMediumNode( n2, n5, force3d, TopAbs_SOLID );
+ const SMDS_MeshNode* n36 = GetMediumNode( n3, n6, force3d, TopAbs_SOLID );
if(id)
- elem = meshDS->AddVolumeWithID(n1, n2, n3, n4, n5, n6,
+ elem = meshDS->AddVolumeWithID(n1, n2, n3, n4, n5, n6,
n12, n23, n31, n45, n56, n64, n14, n25, n36, id);
else
elem = meshDS->AddVolume(n1, n2, n3, n4, n5, n6,
const SMDS_MeshNode* n2,
const SMDS_MeshNode* n3,
const SMDS_MeshNode* n4,
- const int id,
+ const int id,
const bool force3d)
{
SMESHDS_Mesh * meshDS = GetMeshDS();
elem = meshDS->AddVolume(n1, n2, n3, n4);
}
else {
- const SMDS_MeshNode* n12 = GetMediumNode(n1,n2,force3d);
- const SMDS_MeshNode* n23 = GetMediumNode(n2,n3,force3d);
- const SMDS_MeshNode* n31 = GetMediumNode(n3,n1,force3d);
+ const SMDS_MeshNode* n12 = GetMediumNode( n1, n2, force3d, TopAbs_SOLID );
+ const SMDS_MeshNode* n23 = GetMediumNode( n2, n3, force3d, TopAbs_SOLID );
+ const SMDS_MeshNode* n31 = GetMediumNode( n3, n1, force3d, TopAbs_SOLID );
- const SMDS_MeshNode* n14 = GetMediumNode(n1,n4,force3d);
- const SMDS_MeshNode* n24 = GetMediumNode(n2,n4,force3d);
- const SMDS_MeshNode* n34 = GetMediumNode(n3,n4,force3d);
+ const SMDS_MeshNode* n14 = GetMediumNode( n1, n4, force3d, TopAbs_SOLID );
+ const SMDS_MeshNode* n24 = GetMediumNode( n2, n4, force3d, TopAbs_SOLID );
+ const SMDS_MeshNode* n34 = GetMediumNode( n3, n4, force3d, TopAbs_SOLID );
if(id)
elem = meshDS->AddVolumeWithID(n1, n2, n3, n4, n12, n23, n31, n14, n24, n34, id);
const SMDS_MeshNode* n3,
const SMDS_MeshNode* n4,
const SMDS_MeshNode* n5,
- const int id,
+ const int id,
const bool force3d)
{
SMDS_MeshVolume* elem = 0;
elem = GetMeshDS()->AddVolume(n1, n2, n3, n4, n5);
}
else {
- const SMDS_MeshNode* n12 = GetMediumNode(n1,n2,force3d);
- const SMDS_MeshNode* n23 = GetMediumNode(n2,n3,force3d);
- const SMDS_MeshNode* n34 = GetMediumNode(n3,n4,force3d);
- const SMDS_MeshNode* n41 = GetMediumNode(n4,n1,force3d);
+ const SMDS_MeshNode* n12 = GetMediumNode( n1, n2, force3d, TopAbs_SOLID );
+ const SMDS_MeshNode* n23 = GetMediumNode( n2, n3, force3d, TopAbs_SOLID );
+ const SMDS_MeshNode* n34 = GetMediumNode( n3, n4, force3d, TopAbs_SOLID );
+ const SMDS_MeshNode* n41 = GetMediumNode( n4, n1, force3d, TopAbs_SOLID );
- const SMDS_MeshNode* n15 = GetMediumNode(n1,n5,force3d);
- const SMDS_MeshNode* n25 = GetMediumNode(n2,n5,force3d);
- const SMDS_MeshNode* n35 = GetMediumNode(n3,n5,force3d);
- const SMDS_MeshNode* n45 = GetMediumNode(n4,n5,force3d);
+ const SMDS_MeshNode* n15 = GetMediumNode( n1, n5, force3d, TopAbs_SOLID );
+ const SMDS_MeshNode* n25 = GetMediumNode( n2, n5, force3d, TopAbs_SOLID );
+ const SMDS_MeshNode* n35 = GetMediumNode( n3, n5, force3d, TopAbs_SOLID );
+ const SMDS_MeshNode* n45 = GetMediumNode( n4, n5, force3d, TopAbs_SOLID );
if(id)
elem = GetMeshDS()->AddVolumeWithID ( n1, n2, n3, n4, n5,
//=======================================================================
//function : AddVolume
-//purpose : Creates bi-quadratic, quadratic or linear hexahedron
+//purpose : Creates tri-quadratic, quadratic or linear hexahedron
//=======================================================================
SMDS_MeshVolume* SMESH_MesherHelper::AddVolume(const SMDS_MeshNode* n1,
elem = meshDS->AddVolume(n1, n2, n3, n4, n5, n6, n7, n8);
}
else {
- const SMDS_MeshNode* n12 = GetMediumNode(n1,n2,force3d);
- const SMDS_MeshNode* n23 = GetMediumNode(n2,n3,force3d);
- const SMDS_MeshNode* n34 = GetMediumNode(n3,n4,force3d);
- const SMDS_MeshNode* n41 = GetMediumNode(n4,n1,force3d);
-
- const SMDS_MeshNode* n56 = GetMediumNode(n5,n6,force3d);
- const SMDS_MeshNode* n67 = GetMediumNode(n6,n7,force3d);
- const SMDS_MeshNode* n78 = GetMediumNode(n7,n8,force3d);
- const SMDS_MeshNode* n85 = GetMediumNode(n8,n5,force3d);
-
- const SMDS_MeshNode* n15 = GetMediumNode(n1,n5,force3d);
- const SMDS_MeshNode* n26 = GetMediumNode(n2,n6,force3d);
- const SMDS_MeshNode* n37 = GetMediumNode(n3,n7,force3d);
- const SMDS_MeshNode* n48 = GetMediumNode(n4,n8,force3d);
- if(myCreateBiQuadratic)
+ const SMDS_MeshNode* n12 = GetMediumNode( n1, n2, force3d, TopAbs_SOLID );
+ const SMDS_MeshNode* n23 = GetMediumNode( n2, n3, force3d, TopAbs_SOLID );
+ const SMDS_MeshNode* n34 = GetMediumNode( n3, n4, force3d, TopAbs_SOLID );
+ const SMDS_MeshNode* n41 = GetMediumNode( n4, n1, force3d, TopAbs_SOLID );
+
+ const SMDS_MeshNode* n56 = GetMediumNode( n5, n6, force3d, TopAbs_SOLID );
+ const SMDS_MeshNode* n67 = GetMediumNode( n6, n7, force3d, TopAbs_SOLID );
+ const SMDS_MeshNode* n78 = GetMediumNode( n7, n8, force3d, TopAbs_SOLID );
+ const SMDS_MeshNode* n85 = GetMediumNode( n8, n5, force3d, TopAbs_SOLID );
+
+ const SMDS_MeshNode* n15 = GetMediumNode( n1, n5, force3d, TopAbs_SOLID );
+ const SMDS_MeshNode* n26 = GetMediumNode( n2, n6, force3d, TopAbs_SOLID );
+ const SMDS_MeshNode* n37 = GetMediumNode( n3, n7, force3d, TopAbs_SOLID );
+ const SMDS_MeshNode* n48 = GetMediumNode( n4, n8, force3d, TopAbs_SOLID );
+ if ( myCreateBiQuadratic )
{
- const SMDS_MeshNode* n1234 = GetCentralNode(n1,n2,n3,n4,n12,n23,n34,n41,force3d);
- const SMDS_MeshNode* n1256 = GetCentralNode(n1,n2,n5,n6,n12,n26,n56,n15,force3d);
- const SMDS_MeshNode* n2367 = GetCentralNode(n2,n3,n6,n7,n23,n37,n67,n26,force3d);
- const SMDS_MeshNode* n3478 = GetCentralNode(n3,n4,n7,n8,n34,n48,n78,n37,force3d);
- const SMDS_MeshNode* n1458 = GetCentralNode(n1,n4,n5,n8,n41,n48,n15,n85,force3d);
- const SMDS_MeshNode* n5678 = GetCentralNode(n5,n6,n7,n8,n56,n67,n78,n85,force3d);
+ const SMDS_MeshNode* n1234 = GetCentralNode( n1,n2,n3,n4,n12,n23,n34,n41,force3d );
+ const SMDS_MeshNode* n1256 = GetCentralNode( n1,n2,n5,n6,n12,n26,n56,n15,force3d );
+ const SMDS_MeshNode* n2367 = GetCentralNode( n2,n3,n6,n7,n23,n37,n67,n26,force3d );
+ const SMDS_MeshNode* n3478 = GetCentralNode( n3,n4,n7,n8,n34,n48,n78,n37,force3d );
+ const SMDS_MeshNode* n1458 = GetCentralNode( n1,n4,n5,n8,n41,n48,n15,n85,force3d );
+ const SMDS_MeshNode* n5678 = GetCentralNode( n5,n6,n7,n8,n56,n67,n78,n85,force3d );
vector<gp_XYZ> pointsOnShapes( SMESH_Block::ID_Shell );
pointsOnShapes[ SMESH_Block::ID_Ex11 ] = SMESH_TNodeXYZ( n78 );
pointsOnShapes[ SMESH_Block::ID_E0y1 ] = SMESH_TNodeXYZ( n12 );
pointsOnShapes[ SMESH_Block::ID_E1y1 ] = SMESH_TNodeXYZ( n56 );
- pointsOnShapes[ SMESH_Block::ID_E00z ] = SMESH_TNodeXYZ( n41 );
- pointsOnShapes[ SMESH_Block::ID_E10z ] = SMESH_TNodeXYZ( n85 );
- pointsOnShapes[ SMESH_Block::ID_E01z ] = SMESH_TNodeXYZ( n23 );
+ pointsOnShapes[ SMESH_Block::ID_E00z ] = SMESH_TNodeXYZ( n41 );
+ pointsOnShapes[ SMESH_Block::ID_E10z ] = SMESH_TNodeXYZ( n85 );
+ pointsOnShapes[ SMESH_Block::ID_E01z ] = SMESH_TNodeXYZ( n23 );
pointsOnShapes[ SMESH_Block::ID_E11z ] = SMESH_TNodeXYZ( n67 );
pointsOnShapes[ SMESH_Block::ID_Fxy0 ] = SMESH_TNodeXYZ( n3478 );
pointsOnShapes[ SMESH_Block::ID_Fxy1 ] = SMESH_TNodeXYZ( n1256 );
- pointsOnShapes[ SMESH_Block::ID_Fx0z ] = SMESH_TNodeXYZ( n1458 );
- pointsOnShapes[ SMESH_Block::ID_Fx1z ] = SMESH_TNodeXYZ( n2367 );
- pointsOnShapes[ SMESH_Block::ID_F0yz ] = SMESH_TNodeXYZ( n1234 );
+ pointsOnShapes[ SMESH_Block::ID_Fx0z ] = SMESH_TNodeXYZ( n1458 );
+ pointsOnShapes[ SMESH_Block::ID_Fx1z ] = SMESH_TNodeXYZ( n2367 );
+ pointsOnShapes[ SMESH_Block::ID_F0yz ] = SMESH_TNodeXYZ( n1234 );
pointsOnShapes[ SMESH_Block::ID_F1yz ] = SMESH_TNodeXYZ( n5678 );
gp_XYZ centerCube(0.5, 0.5, 0.5);
meshDS->AddNode( nCenterElem.X(), nCenterElem.Y(), nCenterElem.Z() );
meshDS->SetNodeInVolume( nCenter, myShapeID );
- if(id)
+ if(id)
elem = meshDS->AddVolumeWithID(n1, n2, n3, n4, n5, n6, n7, n8,
- n12, n23, n34, n41, n56, n67,
- n78, n85, n15, n26, n37, n48,
- n1234, n1256, n2367, n3478, n1458, n5678, nCenter, id);
+ n12, n23, n34, n41, n56, n67,
+ n78, n85, n15, n26, n37, n48,
+ n1234, n1256, n2367, n3478, n1458, n5678, nCenter, id);
else
elem = meshDS->AddVolume(n1, n2, n3, n4, n5, n6, n7, n8,
- n12, n23, n34, n41, n56, n67,
- n78, n85, n15, n26, n37, n48,
- n1234, n1256, n2367, n3478, n1458, n5678, nCenter);
+ n12, n23, n34, n41, n56, n67,
+ n78, n85, n15, n26, n37, n48,
+ n1234, n1256, n2367, n3478, n1458, n5678, nCenter);
}
else
{
if(id)
elem = meshDS->AddVolumeWithID(n1, n2, n3, n4, n5, n6, n7, n8,
- n12, n23, n34, n41, n56, n67,
- n78, n85, n15, n26, n37, n48, id);
+ n12, n23, n34, n41, n56, n67,
+ n78, n85, n15, n26, n37, n48, id);
else
elem = meshDS->AddVolume(n1, n2, n3, n4, n5, n6, n7, n8,
- n12, n23, n34, n41, n56, n67,
- n78, n85, n15, n26, n37, n48);
+ n12, n23, n34, n41, n56, n67,
+ n78, n85, n15, n26, n37, n48);
}
}
if ( mySetElemOnShape && myShapeID > 0 )
{
vector<const SMDS_MeshNode*> newNodes;
vector<int> newQuantities;
- for ( int iFace=0, iN=0; iFace < quantities.size(); ++iFace)
+ for ( size_t iFace = 0, iN = 0; iFace < quantities.size(); ++iFace )
{
int nbNodesInFace = quantities[iFace];
newQuantities.push_back(0);
const SMDS_MeshNode* n1 = nodes[ iN + i ];
newNodes.push_back( n1 );
newQuantities.back()++;
-
+
const SMDS_MeshNode* n2 = nodes[ iN + ( i+1==nbNodesInFace ? 0 : i+1 )];
-// if ( n1->GetPosition()->GetTypeOfPosition() != SMDS_TOP_3DSPACE &&
-// n2->GetPosition()->GetTypeOfPosition() != SMDS_TOP_3DSPACE )
+ // if ( n1->GetPosition()->GetTypeOfPosition() != SMDS_TOP_3DSPACE &&
+ // n2->GetPosition()->GetTypeOfPosition() != SMDS_TOP_3DSPACE )
{
- const SMDS_MeshNode* n12 = GetMediumNode(n1,n2,force3d);
+ const SMDS_MeshNode* n12 = GetMediumNode( n1, n2, force3d, TopAbs_SOLID );
newNodes.push_back( n12 );
newQuantities.back()++;
}
for ( int iE = 0; edge != theBaseSide.end(); ++edge, ++iE )
{
map< double, const SMDS_MeshNode*> sortedBaseNN;
- SMESH_Algo::GetSortedNodesOnEdge( theMesh, *edge,/*noMedium=*/true, sortedBaseNN);
+ SMESH_Algo::GetSortedNodesOnEdge( theMesh, *edge,/*noMedium=*/true, sortedBaseNN );
+
+ map< double, const SMDS_MeshNode*>::iterator u_n;
+ // pb with mesh_Projection_2D_00/A1 fixed by adding expectedSupport arg to GetMediumPos()
+ // so the following solution is commented (hope forever :)
+ //
+ // SMESH_Algo::GetSortedNodesOnEdge( theMesh, *edge,/*noMedium=*/true, sortedBaseNN,
+ // // SMDSAbs_Edge here is needed to be coherent with
+ // // StdMeshers_FaceSide used by Quadrangle to get nodes
+ // // on EDGE; else pb in mesh_Projection_2D_00/A1 where a
+ // // medium node on EDGE is medium in a triangle but not
+ // // in a segment
+ // SMDSAbs_Edge );
+ // if ( faceSubMesh->GetElements()->next()->IsQuadratic() )
+ // // filter off nodes medium in faces on theFace (same pb with mesh_Projection_2D_00/A1)
+ // for ( u_n = sortedBaseNN.begin(); u_n != sortedBaseNN.end() ; )
+ // {
+ // const SMDS_MeshNode* node = u_n->second;
+ // SMDS_ElemIteratorPtr faceIt = node->GetInverseElementIterator( SMDSAbs_Face );
+ // if ( faceIt->more() && node ) {
+ // const SMDS_MeshElement* face = faceIt->next();
+ // if ( faceSubMesh->Contains( face ) && face->IsMediumNode( node ))
+ // node = 0;
+ // }
+ // if ( !node )
+ // sortedBaseNN.erase( u_n++ );
+ // else
+ // ++u_n;
+ // }
if ( sortedBaseNN.empty() ) continue;
- map< double, const SMDS_MeshNode*>::iterator u_n = sortedBaseNN.begin();
+ u_n = sortedBaseNN.begin();
if ( theProxyMesh ) // from sortedBaseNN remove nodes not shared by faces of faceSubMesh
{
const SMDS_MeshNode* n1 = (++sortedBaseNN.begin())->second;
}
// nb rows of nodes
- int prevNbRows = theParam2ColumnMap.begin()->second.size(); // current, at least 1 here
- int expectedNbRows = faceSubMesh->NbElements() / ( theParam2ColumnMap.size()-1 ); // to be added
+ size_t prevNbRows = theParam2ColumnMap.begin()->second.size(); // current, at least 1 here
+ size_t expectNbRows = faceSubMesh->NbElements() / ( theParam2ColumnMap.size()-1 ); // to be added
// fill theParam2ColumnMap column by column by passing from nodes on
// theBaseEdge up via mesh faces on theFace
{
vector<const SMDS_MeshNode*>& nCol1 = par_nVec_1->second;
vector<const SMDS_MeshNode*>& nCol2 = par_nVec_2->second;
- nCol1.resize( prevNbRows + expectedNbRows );
- nCol2.resize( prevNbRows + expectedNbRows );
+ nCol1.resize( prevNbRows + expectNbRows );
+ nCol2.resize( prevNbRows + expectNbRows );
- int i1, i2, foundNbRows = 0;
+ int i1, i2; size_t foundNbRows = 0;
const SMDS_MeshNode *n1 = nCol1[ prevNbRows-1 ];
const SMDS_MeshNode *n2 = nCol2[ prevNbRows-1 ];
// find face sharing node n1 and n2 and belonging to faceSubMesh
int nbNodes = face->NbCornerNodes();
if ( nbNodes != 4 )
return false;
- if ( foundNbRows + 1 > expectedNbRows )
+ if ( foundNbRows + 1 > expectNbRows )
return false;
n1 = face->GetNode( (i2+2) % 4 ); // opposite corner of quadrangle face
n2 = face->GetNode( (i1+2) % 4 );
}
avoidSet.insert( face );
}
- if ( foundNbRows != expectedNbRows )
+ if ((size_t) foundNbRows != expectNbRows )
return false;
avoidSet.clear();
}
return ( theParam2ColumnMap.size() > 1 &&
- theParam2ColumnMap.begin()->second.size() == prevNbRows + expectedNbRows );
+ theParam2ColumnMap.begin()->second.size() == prevNbRows + expectNbRows );
}
namespace
faceAnalyser.SetSubShape( faceSM->GetSubShape() );
// rotate edges to get the first node being at corner
- // (in principle it's not necessary but so far none SALOME algo can make
+ // (in principle it's not necessary because so far none SALOME algo can make
// such a structured mesh that all corner nodes are not on VERTEXes)
bool isCorner = false;
int nbRemainEdges = nbEdgesInWires.front();
if ( !aSubMeshDSFace )
return isReversed;
- // find an element with a good normal
- gp_Vec Ne;
- bool normalOK = false;
- gp_XY uv;
+ // find an element on a bounday of theFace
SMDS_ElemIteratorPtr iteratorElem = aSubMeshDSFace->GetElements();
- while ( !normalOK && iteratorElem->more() ) // loop on elements on theFace
+ const SMDS_MeshNode* nn[2];
+ while ( iteratorElem->more() ) // loop on elements on theFace
{
const SMDS_MeshElement* elem = iteratorElem->next();
- if ( elem && elem->NbCornerNodes() > 2 )
+ if ( ! elem ) continue;
+
+ // look for 2 nodes on EDGE
+ int nbNodes = elem->NbCornerNodes();
+ nn[0] = elem->GetNode( nbNodes-1 );
+ for ( int iN = 0; iN < nbNodes; ++iN )
{
- SMESH_TNodeXYZ nPnt[3];
- SMDS_ElemIteratorPtr nodesIt = elem->nodesIterator();
- int iNodeOnFace = 0, iPosDim = SMDS_TOP_VERTEX;
- for ( int iN = 0; nodesIt->more() && iN < 3; ++iN) // loop on nodes
+ nn[1] = elem->GetNode( iN );
+ if ( nn[0]->GetPosition()->GetDim() < 2 &&
+ nn[1]->GetPosition()->GetDim() < 2 )
{
- nPnt[ iN ] = nodesIt->next();
- if ( nPnt[ iN ]._node->GetPosition()->GetTypeOfPosition() > iPosDim )
+ TopoDS_Shape s0 = GetSubShapeByNode( nn[0], GetMeshDS() );
+ TopoDS_Shape s1 = GetSubShapeByNode( nn[1], GetMeshDS() );
+ TopoDS_Shape E = GetCommonAncestor( s0, s1, *myMesh, TopAbs_EDGE );
+ if ( !E.IsNull() && !s0.IsSame( s1 ))
{
- iNodeOnFace = iN;
- iPosDim = nPnt[ iN ]._node->GetPosition()->GetTypeOfPosition();
+ // is E seam edge?
+ int nb = 0;
+ for ( TopExp_Explorer exp( theFace, TopAbs_EDGE ); exp.More(); exp.Next() )
+ if ( E.IsSame( exp.Current() )) {
+ ++nb;
+ E = exp.Current(); // to know orientation
+ }
+ if ( nb == 1 )
+ {
+ bool ok = true;
+ double u0 = GetNodeU( TopoDS::Edge( E ), nn[0], nn[1], &ok );
+ double u1 = GetNodeU( TopoDS::Edge( E ), nn[1], nn[0], &ok );
+ if ( ok )
+ {
+ isReversed = ( u0 > u1 );
+ if ( E.Orientation() == TopAbs_REVERSED )
+ isReversed = !isReversed;
+ return isReversed;
+ }
+ }
}
}
- // compute normal
- gp_Vec v01( nPnt[0], nPnt[1] ), v02( nPnt[0], nPnt[2] );
- if ( v01.SquareMagnitude() > RealSmall() &&
- v02.SquareMagnitude() > RealSmall() )
+ nn[0] = nn[1];
+ }
+ }
+
+ // find an element with a good normal
+ gp_Vec Ne;
+ bool normalOK = false;
+ gp_XY uv;
+ iteratorElem = aSubMeshDSFace->GetElements();
+ while ( !normalOK && iteratorElem->more() ) // loop on elements on theFace
+ {
+ const SMDS_MeshElement* elem = iteratorElem->next();
+ if ( ! SMESH_MeshAlgos::FaceNormal( elem, const_cast<gp_XYZ&>( Ne.XYZ() ), /*normalized=*/0 ))
+ continue;
+ normalOK = true;
+
+ // get UV of a node inside theFACE
+ SMDS_ElemIteratorPtr nodesIt = elem->nodesIterator();
+ const SMDS_MeshNode* nInFace = 0;
+ int iPosDim = SMDS_TOP_VERTEX;
+ while ( nodesIt->more() ) // loop on nodes
+ {
+ const SMDS_MeshNode* n = static_cast<const SMDS_MeshNode*>( nodesIt->next() );
+ if ( n->GetPosition()->GetTypeOfPosition() >= iPosDim )
{
- Ne = v01 ^ v02;
- if (( normalOK = ( Ne.SquareMagnitude() > RealSmall() )))
- uv = GetNodeUV( theFace, nPnt[iNodeOnFace]._node, 0, &normalOK );
+ nInFace = n;
+ iPosDim = n->GetPosition()->GetTypeOfPosition();
}
}
+ uv = GetNodeUV( theFace, nInFace, 0, &normalOK );
}
if ( !normalOK )
return isReversed;
// if ( surf.IsNull() || surf->Continuity() < GeomAbs_C1 )
// some surfaces not detected as GeomAbs_C1 are nevertheless correct for meshing
if ( surf.IsNull() || surf->Continuity() < GeomAbs_C0 )
- {
- if (!surf.IsNull())
- MESSAGE("surf->Continuity() < GeomAbs_C1 " << (surf->Continuity() < GeomAbs_C1));
- return isReversed;
- }
+ return isReversed;
+
gp_Vec d1u, d1v; gp_Pnt p;
surf->D1( uv.X(), uv.Y(), p, d1u, d1v );
gp_Vec Nf = (d1u ^ d1v).Transformed( loc );
return tol;
}
+//================================================================================
+/*!
+ * \brief Return MaxTolerance( face ), probably cached
+ */
+//================================================================================
+
+double SMESH_MesherHelper::getFaceMaxTol( const TopoDS_Shape& face ) const
+{
+ int faceID = GetMeshDS()->ShapeToIndex( face );
+
+ SMESH_MesherHelper* me = const_cast< SMESH_MesherHelper* >( this );
+ double & tol = me->myFaceMaxTol.insert( make_pair( faceID, -1. )).first->second;
+ if ( tol < 0 )
+ tol = MaxTolerance( face );
+
+ return tol;
+}
+
//================================================================================
/*!
* \brief Return an angle between two EDGEs sharing a common VERTEX with reference
return TopAbs_SHAPE;
}
+//================================================================================
+/*!
+ * \brief Returns a shape, to which a hypothesis used to mesh a given shape is assigned
+ * \param [in] hyp - the hypothesis
+ * \param [in] shape - the shape, for meshing which the \a hyp is used
+ * \param [in] mesh - the mesh
+ * \return TopoDS_Shape - the shape the \a hyp is assigned to
+ */
+//================================================================================
+
+TopoDS_Shape SMESH_MesherHelper::GetShapeOfHypothesis( const SMESHDS_Hypothesis * hyp,
+ const TopoDS_Shape& shape,
+ SMESH_Mesh* mesh)
+{
+ const SMESH_Hypothesis* h = static_cast<const SMESH_Hypothesis*>( hyp );
+ SMESH_HypoFilter hypFilter( SMESH_HypoFilter::Is( h ));
+
+ TopoDS_Shape shapeOfHyp;
+ mesh->GetHypothesis( shape, hypFilter, /*checkAncestors=*/true, &shapeOfHyp );
+ return shapeOfHyp;
+}
+
//=======================================================================
//function : IsQuadraticMesh
//purpose : Check mesh without geometry for: if all elements on this shape are quadratic,
TopoDS_Shape commonAnc;
if ( !shape1.IsNull() && !shape2.IsNull() )
{
+ if ( shape1.ShapeType() == ancestorType && IsSubShape( shape2, shape1 ))
+ return shape1;
+ if ( shape2.ShapeType() == ancestorType && IsSubShape( shape1, shape2 ))
+ return shape2;
+
PShapeIteratorPtr ancIt = GetAncestors( shape1, mesh, ancestorType );
while ( const TopoDS_Shape* anc = ancIt->next() )
if ( IsSubShape( shape2, *anc ))
mutable vector<const QFace* > _faces;
mutable gp_Vec _nodeMove;
mutable int _nbMoves;
+ mutable bool _is2dFixed; // is moved along surface or in 3D
QLink(const SMDS_MeshNode* n1, const SMDS_MeshNode* n2, const SMDS_MeshNode* nm):
SMESH_TLink( n1,n2 ), _mediumNode(nm), _nodeMove(0,0,0), _nbMoves(0) {
_faces.reserve(4);
- //if ( MediumPos() != SMDS_TOP_3DSPACE )
- _nodeMove = MediumPnt() - MiddlePnt();
+ _nodeMove = MediumPnt() - MiddlePnt();
+ _is2dFixed = ( MediumPos() != SMDS_TOP_FACE );
}
void SetContinuesFaces() const;
const QFace* GetContinuesFace( const QFace* face ) const;
- bool OnBoundary() const;
+ bool OnBoundary() const;
gp_XYZ MiddlePnt() const { return ( XYZ( node1() ) + XYZ( node2() )) / 2.; }
gp_XYZ MediumPnt() const { return XYZ( _mediumNode ); }
- SMDS_TypeOfPosition MediumPos() const
+ SMDS_TypeOfPosition MediumPos() const
{ return _mediumNode->GetPosition()->GetTypeOfPosition(); }
- SMDS_TypeOfPosition EndPos(bool isSecond) const
+ SMDS_TypeOfPosition EndPos(bool isSecond) const
{ return (isSecond ? node2() : node1())->GetPosition()->GetTypeOfPosition(); }
const SMDS_MeshNode* EndPosNode(SMDS_TypeOfPosition pos) const
{ return EndPos(0) == pos ? node1() : EndPos(1) == pos ? node2() : 0; }
- void Move(const gp_Vec& move, bool sum=false) const
- { _nodeMove += move; _nbMoves += sum ? (_nbMoves==0) : 1; }
+ void Move(const gp_Vec& move, bool sum=false, bool is2dFixed=false) const
+ { _nodeMove += move; _nbMoves += sum ? (_nbMoves==0) : 1; _is2dFixed |= is2dFixed; }
gp_XYZ Move() const { return _nodeMove.XYZ() / _nbMoves; }
bool IsMoved() const { return (_nbMoves > 0 /*&& !IsStraight()*/); }
+ bool IsFixedOnSurface() const { return _is2dFixed; }
bool IsStraight() const
{ return isStraightLink( (XYZ(node1())-XYZ(node2())).SquareModulus(),
_nodeMove.SquareMagnitude());
int NbVolumes() const { return !_volumes[0] ? 0 : !_volumes[1] ? 1 : 2; }
void AddSelfToLinks() const {
- for ( int i = 0; i < _sides.size(); ++i )
+ for ( size_t i = 0; i < _sides.size(); ++i )
_sides[i]->_faces.push_back( this );
}
int LinkIndex( const QLink* side ) const {
- for (int i=0; i<_sides.size(); ++i ) if ( _sides[i] == side ) return i;
+ for (size_t i = 0; i<_sides.size(); ++i ) if ( _sides[i] == side ) return i;
return -1;
}
bool GetLinkChain( int iSide, TChain& chain, SMDS_TypeOfPosition pos, int& err) const;
const SMDS_MeshNode* nodeToContain) const;
const SMDS_MeshNode* GetNodeInFace() const {
- for ( int iL = 0; iL < _sides.size(); ++iL )
+ for ( size_t iL = 0; iL < _sides.size(); ++iL )
if ( _sides[iL]->MediumPos() == SMDS_TOP_FACE ) return _sides[iL]->_mediumNode;
return 0;
}
_sides = links;
_sideIsAdded[0]=_sideIsAdded[1]=_sideIsAdded[2]=_sideIsAdded[3]=false;
_normal.SetCoord(0,0,0);
- for ( int i = 1; i < _sides.size(); ++i ) {
+ for ( size_t i = 1; i < _sides.size(); ++i ) {
const QLink *l1 = _sides[i-1], *l2 = _sides[i];
insert( l1->node1() ); insert( l1->node2() );
// compute normal
bool QFace::GetLinkChain( int iSide, TChain& chain, SMDS_TypeOfPosition pos, int& error) const
{
- if ( iSide >= _sides.size() ) // wrong argument iSide
+ if ( iSide >= (int)_sides.size() ) // wrong argument iSide
return false;
if ( _sideIsAdded[ iSide ]) // already in chain
return true;
list< const QFace* > faces( 1, this );
while ( !faces.empty() ) {
const QFace* face = faces.front();
- for ( int i = 0; i < face->_sides.size(); ++i ) {
+ for ( size_t i = 0; i < face->_sides.size(); ++i ) {
if ( !face->_sideIsAdded[i] && face->_sides[i] ) {
face->_sideIsAdded[i] = true;
// find a face side in the chain
typedef list< pair< const QFace*, TLinkInSet > > TFaceLinkList;
TFaceLinkList adjacentFaces;
- for ( int iL = 0; iL < _sides.size(); ++iL )
+ for ( size_t iL = 0; iL < _sides.size(); ++iL )
{
if ( avoidLink._qlink == _sides[iL] )
continue;
const TChainLink& avoidLink,
const SMDS_MeshNode* nodeToContain) const
{
- for ( int i = 0; i < _sides.size(); ++i )
+ for ( size_t i = 0; i < _sides.size(); ++i )
if ( avoidLink._qlink != _sides[i] &&
(_sides[i]->node1() == nodeToContain || _sides[i]->node2() == nodeToContain ))
- return links.find( _sides[ i ]);
+ return links.find( _sides[i] );
return links.end();
}
if ( !theStep )
return thePrevLen; // propagation limit reached
- int iL; // index of theLink
+ size_t iL; // index of theLink
for ( iL = 0; iL < _sides.size(); ++iL )
if ( theLink._qlink == _sides[ iL ])
break;
double r = thePrevLen / fullLen;
gp_Vec move = linkNorm * refProj * ( 1 - r );
- theLink->Move( move, true );
+ theLink->Move( move, /*sum=*/true );
MSG(string(theStep,'.')<<" Move "<< theLink->_mediumNode->GetID()<<
" by " << refProj * ( 1 - r ) << " following " <<
int iFaceCont = -1, nbBoundary = 0, iBoundary[2]={-1,-1};
if ( _faces[0]->IsBoundary() )
iBoundary[ nbBoundary++ ] = 0;
- for ( int iF = 1; iFaceCont < 0 && iF < _faces.size(); ++iF )
+ for ( size_t iF = 1; iFaceCont < 0 && iF < _faces.size(); ++iF )
{
// look for a face bounding none of volumes bound by _faces[0]
bool sameVol = false;
const QFace* QLink::GetContinuesFace( const QFace* face ) const
{
- for ( int i = 0; i < _faces.size(); ++i ) {
- if ( _faces[i] == face ) {
- int iF = i < 2 ? 1-i : 5-i;
- return iF < _faces.size() ? _faces[iF] : 0;
+ if ( _faces.size() <= 4 )
+ for ( size_t i = 0; i < _faces.size(); ++i ) {
+ if ( _faces[i] == face ) {
+ int iF = i < 2 ? 1-i : 5-i;
+ return iF < (int)_faces.size() ? _faces[iF] : 0;
+ }
}
- }
return 0;
}
//================================================================================
bool QLink::OnBoundary() const
{
- for ( int i = 0; i < _faces.size(); ++i )
+ for ( size_t i = 0; i < _faces.size(); ++i )
if (_faces[i] && _faces[i]->IsBoundary()) return true;
return false;
}
for ( ; bnd != bndEnd; ++bnd )
{
const QLink* bndLink = *bnd;
- for ( int i = 0; i < bndLink->_faces.size(); ++i ) // loop on faces of bndLink
+ for ( size_t i = 0; i < bndLink->_faces.size(); ++i ) // loop on faces of bndLink
{
const QFace* face = bndLink->_faces[i]; // quadrange lateral face of a prism
if ( !face ) continue;
{
// put links in the set and evalute number of result chains by number of boundary links
TLinkSet linkSet;
- int nbBndLinks = 0;
+ size_t nbBndLinks = 0;
for ( TChain::iterator lnk = allLinks.begin(); lnk != allLinks.end(); ++lnk ) {
linkSet.insert( *lnk );
nbBndLinks += lnk->IsBoundary();
TLinkInSet botLink = startLink; // current horizontal link to go up from
corner = startCorner; // current corner the botLink ends at
- int iRow = 0;
+ size_t iRow = 0;
while ( botLink != linksEnd ) // loop on rows
{
// add botLink to the columnChain
// In the linkSet, there must remain the last links of rowChains; add them
if ( linkSet.size() != rowChains.size() )
return _BAD_SET_SIZE;
- for ( int iRow = 0; iRow < rowChains.size(); ++iRow ) {
+ for ( size_t iRow = 0; iRow < rowChains.size(); ++iRow ) {
// find the link (startLink) ending at startCorner
corner = 0;
for ( startLink = linkSet.begin(); startLink != linksEnd; ++startLink ) {
{
continue;
}
+ default:;
}
// get nodes shared by faces that may be distorted
SMDS_NodeIteratorPtr nodeIt;
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 );
+ 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
{
concaveFaces.push_back( face );
}
+ default:;
}
}
if ( concaveFaces.empty() )
while ( volIt->more() )
{
const SMDS_MeshElement* vol = volIt->next();
- int nbN = vol->NbCornerNodes();
+ size_t nbN = vol->NbCornerNodes();
if ( ( nbN != 4 && nbN != 5 ) ||
!solidSM->Contains( vol ) ||
!checkedVols.insert( vol ).second )
// 3. Compute displacement of medium nodes
// ---------------------------------------
+ SMESH_MesherHelper faceHlp(*myMesh);
+
// two loops on QFaces: the first is to treat boundary links, the second is for internal ones.
TopLoc_Location loc;
bool checkUV;
}
else if ( error == ERR_TRI ) { // chain contains continues triangles
TSplitTriaResult res = splitTrianglesIntoChains( rawChain, chains, pos );
- if ( res != _OK ) { // not quadrangles split into triangles
+ if ( res != _OK ) { // not 'quadrangles split into triangles' in chain
fixTriaNearBoundary( rawChain, *this );
break;
}
else {
continue;
}
- for ( int iC = 0; iC < chains.size(); ++iC )
+ for ( size_t iC = 0; iC < chains.size(); ++iC )
{
TChain& chain = chains[iC];
if ( chain.empty() ) continue;
// mesure chain length and compute link position along the chain
double chainLen = 0;
vector< double > linkPos;
+ TChain savedChain; // backup
MSGBEG( "Link medium nodes: ");
TChain::iterator link0 = chain.begin(), link1 = chain.begin(), link2;
for ( ++link1; link1 != chain.end(); ++link1, ++link0 ) {
MSGBEG( (*link0)->_mediumNode->GetID() << "-" <<(*link1)->_mediumNode->GetID()<<" ");
double len = ((*link0)->MiddlePnt() - (*link1)->MiddlePnt()).Modulus();
while ( len < numeric_limits<double>::min() ) { // remove degenerated link
+ if ( savedChain.empty() ) savedChain = chain;
link1 = chain.erase( link1 );
if ( link1 == chain.end() )
break;
linkPos.push_back( chainLen );
}
MSG("");
- if ( linkPos.size() < 2 )
- continue;
-
+ if ( linkPos.size() <= 2 && savedChain.size() > 2 ) {
+ //continue;
+ linkPos.clear();
+ chainLen = 0;
+ chain = savedChain;
+ for ( link1 = chain.begin(); link1 != chain.end(); ++link1 ) {
+ chainLen += 1;
+ linkPos.push_back( chainLen );
+ }
+ }
gp_Vec move0 = chain.front()->_nodeMove;
gp_Vec move1 = chain.back ()->_nodeMove;
TopoDS_Face face;
if ( !isInside )
{
- // compute node displacement of end links of chain in parametric space of face
+ // compute node displacement of end links of chain in parametric space of FACE
TChainLink& linkOnFace = *(++chain.begin());
const SMDS_MeshNode* nodeOnFace = linkOnFace->_mediumNode;
TopoDS_Shape f = GetSubShapeByNode( nodeOnFace, GetMeshDS() );
if ( !f.IsNull() && f.ShapeType() == TopAbs_FACE )
{
face = TopoDS::Face( f );
+ faceHlp.SetSubShape( face );
Handle(Geom_Surface) surf = BRep_Tool::Surface(face,loc);
- bool isStraight[2];
+ //bool isStraight[2]; // commented for issue 0023118
for ( int is1 = 0; is1 < 2; ++is1 ) // move0 or move1
{
TChainLink& link = is1 ? chain.back() : chain.front();
- gp_XY uvm = GetNodeUV( face, link->_mediumNode, nodeOnFace, &checkUV);
- gp_XY uv1 = GetNodeUV( face, link->node1(), nodeOnFace, &checkUV);
- gp_XY uv2 = GetNodeUV( face, link->node2(), nodeOnFace, &checkUV);
- gp_XY uv12 = GetMiddleUV( surf, uv1, uv2);
+ gp_XY uvm = faceHlp.GetNodeUV( face, link->_mediumNode, nodeOnFace, &checkUV );
+ gp_XY uv1 = faceHlp.GetNodeUV( face, link->node1(), nodeOnFace, &checkUV );
+ gp_XY uv2 = faceHlp.GetNodeUV( face, link->node2(), nodeOnFace, &checkUV );
+ gp_XY uv12 = faceHlp.GetMiddleUV( surf, uv1, uv2 );
// uvMove = uvm - uv12
- gp_XY uvMove = applyIn2D(surf, uvm, uv12, gp_XY_Subtracted, /*inPeriod=*/false);
+ gp_XY uvMove = ApplyIn2D(surf, uvm, uv12, gp_XY_Subtracted, /*inPeriod=*/false);
( is1 ? move1 : move0 ).SetCoord( uvMove.X(), uvMove.Y(), 0 );
if ( !is1 ) // correct nodeOnFace for move1 (issue 0020919)
nodeOnFace = (*(++chain.rbegin()))->_mediumNode;
- isStraight[is1] = isStraightLink( (uv2-uv1).SquareModulus(),
- 10 * uvMove.SquareModulus());
- }
- if ( isStraight[0] && isStraight[1] ) {
- MSG("2D straight - ignore");
- continue; // straight - no need to move nodes of internal links
+ // isStraight[is1] = isStraightLink( (uv2-uv1).SquareModulus(),
+ // 10 * uvMove.SquareModulus());
}
+ // if ( isStraight[0] && isStraight[1] ) {
+ // MSG("2D straight - ignore");
+ // continue; // straight - no need to move nodes of internal links
+ // }
// check if a chain is already fixed
- gp_XY uvm = GetNodeUV( face, linkOnFace->_mediumNode, 0, &checkUV);
- gp_XY uv1 = GetNodeUV( face, linkOnFace->node1(), nodeOnFace, &checkUV);
- gp_XY uv2 = GetNodeUV( face, linkOnFace->node2(), nodeOnFace, &checkUV);
- gp_XY uv12 = GetMiddleUV( surf, uv1, uv2);
+ gp_XY uvm = faceHlp.GetNodeUV( face, linkOnFace->_mediumNode, 0, &checkUV );
+ gp_XY uv1 = faceHlp.GetNodeUV( face, linkOnFace->node1(), nodeOnFace, &checkUV );
+ gp_XY uv2 = faceHlp.GetNodeUV( face, linkOnFace->node2(), nodeOnFace, &checkUV );
+ gp_XY uv12 = faceHlp.GetMiddleUV( surf, uv1, uv2 );
if (( uvm - uv12 ).SquareModulus() > 1e-10 )
{
MSG("Already fixed - ignore");
// transform to global
gp_Vec x01( (*link0)->MiddlePnt(), (*link1)->MiddlePnt() );
gp_Vec x12( (*link1)->MiddlePnt(), (*link2)->MiddlePnt() );
- gp_Vec x = x01.Normalized() + x12.Normalized();
- trsf.SetTransformation( gp_Ax3( gp::Origin(), link1->Normal(), x), gp_Ax3() );
+ try {
+ gp_Vec x = x01.Normalized() + x12.Normalized();
+ trsf.SetTransformation( gp_Ax3( gp::Origin(), link1->Normal(), x), gp_Ax3() );
+ } catch ( Standard_Failure ) {
+ trsf.Invert();
+ }
move.Transform(trsf);
+ (*link1)->Move( move, /*sum=*/false, /*is2dFixed=*/false );
}
else {
// compute 3D displacement by 2D one
Handle(Geom_Surface) s = BRep_Tool::Surface(face,loc);
- gp_XY oldUV = GetNodeUV( face, (*link1)->_mediumNode, 0, &checkUV);
- gp_XY newUV = applyIn2D( s, oldUV, gp_XY( move.X(),move.Y()), gp_XY_Added);
+ gp_XY oldUV = faceHlp.GetNodeUV( face, (*link1)->_mediumNode, 0, &checkUV );
+ gp_XY newUV = ApplyIn2D( s, oldUV, gp_XY( move.X(),move.Y()), gp_XY_Added );
gp_Pnt newPnt = s->Value( newUV.X(), newUV.Y());
move = gp_Vec( XYZ((*link1)->_mediumNode), newPnt.Transformed(loc) );
if ( SMDS_FacePosition* nPos =
if ( (XYZ((*link1)->node1()) - XYZ((*link1)->node2())).SquareModulus() <
move.SquareMagnitude())
{
- gp_XY uv0 = GetNodeUV( face, (*link0)->_mediumNode, 0, &checkUV);
- gp_XY uv2 = GetNodeUV( face, (*link2)->_mediumNode, 0, &checkUV);
+ 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" <<
"newUV: "<<newUV.X()<<", "<<newUV.Y()<<" \t");
}
#endif
+ (*link1)->Move( move, /*sum=*/false, /*is2dFixed=*/true );
}
- (*link1)->Move( move );
MSG( "Move " << (*link1)->_mediumNode->GetID() << " following "
<< chain.front()->_mediumNode->GetID() <<"-"
<< chain.back ()->_mediumNode->GetID() <<
const bool toFixCentralNodes = ( myMesh->NbBiQuadQuadrangles() +
myMesh->NbBiQuadTriangles() +
myMesh->NbTriQuadraticHexas() );
+ double distXYZ[4];
+ faceHlp.ToFixNodeParameters( true );
for ( pLink = links.begin(); pLink != links.end(); ++pLink ) {
if ( pLink->IsMoved() )
{
gp_Pnt p = pLink->MiddlePnt() + pLink->Move();
+
+ // put on surface nodes on FACE but moved in 3D (23050)
+ if ( !pLink->IsFixedOnSurface() )
+ {
+ faceHlp.SetSubShape( pLink->_mediumNode->getshapeId() );
+ if ( faceHlp.GetSubShape().ShapeType() == TopAbs_FACE )
+ {
+ const_cast<SMDS_MeshNode*>( pLink->_mediumNode )->setXYZ( p.X(), p.Y(), p.Z());
+ p.Coord( distXYZ[1], distXYZ[2], distXYZ[3] );
+ gp_XY uv( Precision::Infinite(), 0 );
+ if ( faceHlp.CheckNodeUV( TopoDS::Face( faceHlp.GetSubShape() ), pLink->_mediumNode,
+ uv, /*tol=*/pLink->Move().Modulus(), /*force=*/true, distXYZ ))
+ p.SetCoord( distXYZ[1], distXYZ[2], distXYZ[3] );
+ }
+ }
GetMeshDS()->MoveNode( pLink->_mediumNode, p.X(), p.Y(), p.Z());
// collect bi-quadratic elements
if ( i > 3 && nodes[i]->GetPosition()->GetTypeOfPosition() == SMDS_TOP_FACE )
CheckNodeUV( F, nodes[i], uv[ i ], 2*tol, /*force=*/true );
}
+ AdjustByPeriod( F, uv, 8 ); // put uv[] within a period (IPAL52698)
// move the central node
gp_XY uvCent = calcTFI (0.5, 0.5, uv[0],uv[1],uv[2],uv[3],uv[4],uv[5],uv[6],uv[7] );
gp_Pnt p = surf->Value( uvCent.X(), uvCent.Y() ).Transformed( loc );
// nodes
nodes.assign( tria->begin_nodes(), tria->end_nodes() );
// UV
+ bool uvOK = true, badTria = false;
for ( int i = 0; i < 6; ++i )
{
- uv[ i ] = GetNodeUV( F, nodes[i], nodes[(i+1)%3], &checkUV );
+ 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
if ( nodes[i]->GetPosition()->GetTypeOfPosition() == SMDS_TOP_FACE )
CheckNodeUV( F, nodes[i], uv[ i ], 2*tol, /*force=*/true );
}
+
// move the central node
- gp_XY uvCent = GetCenterUV( uv[0], uv[1], uv[2], uv[3], uv[4], uv[5] );
- gp_Pnt p = surf->Value( uvCent.X(), uvCent.Y() ).Transformed( loc );
+ gp_Pnt p;
+ if ( !uvOK || badTria )
+ {
+ p = ( SMESH_TNodeXYZ( nodes[3] ) +
+ SMESH_TNodeXYZ( nodes[4] ) +
+ SMESH_TNodeXYZ( nodes[5] )) / 3;
+ }
+ else
+ {
+ AdjustByPeriod( F, uv, 6 ); // put uv[] within a period (IPAL52698)
+ gp_XY uvCent = GetCenterUV( uv[0], uv[1], uv[2], uv[3], uv[4], uv[5], &badTria );
+ p = surf->Value( uvCent.X(), uvCent.Y() ).Transformed( loc );
+ }
GetMeshDS()->MoveNode( tria->GetNode(6), p.X(), p.Y(), p.Z() );
}
}
