gp_XYZ _normal; // to boundary of solid
vector<gp_XYZ> _pos; // points computed during inflation
- double _len; // length achived with the last inflation step
+ double _len; // length achieved with the last inflation step
double _maxLen; // maximal possible length
double _cosin; // of angle (_normal ^ surface)
double _minAngle; // of _simplices
enum EFlags { TO_SMOOTH = 0x0000001,
MOVED = 0x0000002, // set by _neibors[i]->SetNewLength()
- SMOOTHED = 0x0000004, // set by this->Smooth()
+ SMOOTHED = 0x0000004, // set by _LayerEdge::Smooth()
DIFFICULT = 0x0000008, // near concave VERTEX
ON_CONCAVE_FACE = 0x0000010,
BLOCKED = 0x0000020, // not to inflate any more
INTERSECTED = 0x0000040, // close intersection with a face found
NORMAL_UPDATED = 0x0000080,
- MARKED = 0x0000100, // local usage
- MULTI_NORMAL = 0x0000200, // a normal is invisible by some of surrounding faces
- NEAR_BOUNDARY = 0x0000400, // is near FACE boundary forcing smooth
- SMOOTHED_C1 = 0x0000800, // is on _eosC1
- DISTORTED = 0x0001000, // was bad before smoothing
- RISKY_SWOL = 0x0002000, // SWOL is parallel to a source FACE
- SHRUNK = 0x0004000, // target node reached a tgt position while shrink()
- UNUSED_FLAG = 0x0100000
+ UPD_NORMAL_CONV = 0x0000100, // to update normal on boundary of concave FACE
+ MARKED = 0x0000200, // local usage
+ MULTI_NORMAL = 0x0000400, // a normal is invisible by some of surrounding faces
+ NEAR_BOUNDARY = 0x0000800, // is near FACE boundary forcing smooth
+ SMOOTHED_C1 = 0x0001000, // is on _eosC1
+ DISTORTED = 0x0002000, // was bad before smoothing
+ RISKY_SWOL = 0x0004000, // SWOL is parallel to a source FACE
+ SHRUNK = 0x0008000, // target node reached a tgt position while shrink()
+ UNUSED_FLAG = 0x0100000 // to add user flags after
};
bool Is ( int flag ) const { return _flags & flag; }
void Set ( int flag ) { _flags |= flag; }
void Unset( int flag ) { _flags &= ~flag; }
+ std::string DumpFlags() const; // debug
void SetNewLength( double len, _EdgesOnShape& eos, SMESH_MesherHelper& helper );
bool SetNewLength2d( Handle(Geom_Surface)& surface,
const gp_XYZ& PrevPos() const { return _pos[ _pos.size() - 2 ]; }
gp_XYZ PrevCheckPos( _EdgesOnShape* eos=0 ) const;
gp_Ax1 LastSegment(double& segLen, _EdgesOnShape& eos) const;
- gp_XY LastUV( const TopoDS_Face& F, _EdgesOnShape& eos ) const;
+ gp_XY LastUV( const TopoDS_Face& F, _EdgesOnShape& eos, int which=-1 ) const;
bool IsOnEdge() const { return _2neibors; }
gp_XYZ Copy( _LayerEdge& other, _EdgesOnShape& eos, SMESH_MesherHelper& helper );
void SetCosin( double cosin );
_SolidData* _data; // parent SOLID
+ _LayerEdge* operator[](size_t i) const { return (_LayerEdge*) _edges[i]; }
+ size_t size() const { return _edges.size(); }
TopAbs_ShapeEnum ShapeType() const
{ return _shape.IsNull() ? TopAbs_SHAPE : _shape.ShapeType(); }
TopAbs_ShapeEnum SWOLType() const
//--------------------------------------------------------------------------------
/*!
- * \brief Convex FACE whose radius of curvature is less than the thickness of
+ * \brief Convex FACE whose radius of curvature is less than the thickness of
* layers. It is used to detect distortion of prisms based on a convex
* FACE and to update normals to enable further increasing the thickness
*/
// map a sub-shape to _SolidData::_edgesOnShape
map< TGeomID, _EdgesOnShape* > _subIdToEOS;
+ bool _isTooCurved;
bool _normalsFixed;
+ bool _normalsFixedOnBorders; // used in putOnOffsetSurface()
+
+ double GetMaxCurvature( _SolidData& data,
+ _EdgesOnShape& eof,
+ BRepLProp_SLProps& surfProp,
+ SMESH_MesherHelper& helper);
bool GetCenterOfCurvature( _LayerEdge* ledge,
BRepLProp_SLProps& surfProp,
int _nbShapesToSmooth;
- //map< TGeomID,Handle(Geom_Curve)> _edge2curve;
-
vector< _CollisionEdges > _collisionEdges;
set< TGeomID > _concaveFaces;
const gp_XY& uvToFix,
const double refSign );
};
+ struct PyDump;
//--------------------------------------------------------------------------------
/*!
* \brief Builder of viscous layers
void makeOffsetSurface( _EdgesOnShape& eos, SMESH_MesherHelper& );
void putOnOffsetSurface( _EdgesOnShape& eos, int infStep,
vector< _EdgesOnShape* >& eosC1,
- int smooStep=0, bool moveAll=false );
+ int smooStep=0, int moveAll=false );
void findCollisionEdges( _SolidData& data, SMESH_MesherHelper& helper );
+ void findEdgesToUpdateNormalNearConvexFace( _ConvexFace & convFace,
+ _SolidData& data,
+ SMESH_MesherHelper& helper );
void limitMaxLenByCurvature( _SolidData& data, SMESH_MesherHelper& helper );
void limitMaxLenByCurvature( _LayerEdge* e1, _LayerEdge* e2,
_EdgesOnShape& eos1, _EdgesOnShape& eos2,
TopTools_MapOfShape _shrinkedFaces;
int _tmpFaceID;
+ PyDump* _pyDump;
};
//--------------------------------------------------------------------------------
/*!
size_t _iSeg[2]; // index of segment where extreme tgt node is projected
_EdgesOnShape& _eos;
double _curveLen; // length of the EDGE
+ std::pair<int,int> _eToSmooth[2]; // <from,to> indices of _LayerEdge's in _eos
static Handle(Geom_Curve) CurveForSmooth( const TopoDS_Edge& E,
_EdgesOnShape& eos,
bool Perform(_SolidData& data,
Handle(ShapeAnalysis_Surface)& surface,
const TopoDS_Face& F,
- SMESH_MesherHelper& helper )
- {
- if ( _leParams.empty() || ( !isAnalytic() && _offPoints.empty() ))
- prepare( data );
+ SMESH_MesherHelper& helper );
- if ( isAnalytic() )
- return smoothAnalyticEdge( data, surface, F, helper );
- else
- return smoothComplexEdge ( data, surface, F, helper );
- }
void prepare(_SolidData& data );
+ void findEdgesToSmooth();
+
+ bool isToSmooth( int iE );
+
bool smoothAnalyticEdge( _SolidData& data,
Handle(ShapeAnalysis_Surface)& surface,
const TopoDS_Face& F,
SMESH_MesherHelper& helper);
-
bool smoothComplexEdge( _SolidData& data,
Handle(ShapeAnalysis_Surface)& surface,
const TopoDS_Face& F,
SMESH_MesherHelper& helper);
-
gp_XYZ getNormalNormal( const gp_XYZ & normal,
const gp_XYZ& edgeDir);
-
_LayerEdge* getLEdgeOnV( bool is2nd )
{
return _eos._edges[ is2nd ? _eos._edges.size()-1 : 0 ]->_2neibors->_edges[ is2nd ];
// HOWTO use: run python commands written in a console to see
// construction steps of viscous layers
#ifdef __myDEBUG
- ofstream* py;
- int theNbPyFunc;
- struct PyDump {
+ ostream* py;
+ int theNbPyFunc;
+ struct PyDump
+ {
PyDump(SMESH_Mesh& m) {
int tag = 3 + m.GetId();
const char* fname = "/tmp/viscous.py";
cout << "execfile('"<<fname<<"')"<<endl;
- py = new ofstream(fname);
+ py = _pyStream = new ofstream(fname);
*py << "import SMESH" << endl
<< "from salome.smesh import smeshBuilder" << endl
<< "smesh = smeshBuilder.New(salome.myStudy)" << endl
delete py; py=0;
}
~PyDump() { Finish(); cout << "NB FUNCTIONS: " << theNbPyFunc << endl; }
+ struct MyStream : public ostream
+ {
+ template <class T> ostream & operator<<( const T &anything ) { return *this ; }
+ };
+ void Pause() { py = &_mystream; }
+ void Resume() { py = _pyStream; }
+ MyStream _mystream;
+ ostream* _pyStream;
};
#define dumpFunction(f) { _dumpFunction(f, __LINE__);}
#define dumpMove(n) { _dumpMove(n, __LINE__);}
#else
- struct PyDump { PyDump(SMESH_Mesh&) {} void Finish() {} };
+ struct PyDump { PyDump(SMESH_Mesh&) {} void Finish() {} void Pause() {} void Resume() {} };
#define dumpFunction(f) f
#define dumpMove(n)
#define dumpMoveComm(n,txt)
return SMESH_ComputeErrorPtr(); // everything already computed
PyDump debugDump( theMesh );
+ _pyDump = &debugDump;
// TODO: ignore already computed SOLIDs
if ( !findSolidsWithLayers())
size_t iSD = 0;
for ( iSD = 0; iSD < _sdVec.size(); ++iSD ) // find next SOLID to compute
if ( _sdVec[iSD]._before.IsEmpty() &&
+ !_sdVec[iSD]._solid.IsNull() &&
_sdVec[iSD]._n2eMap.empty() )
break;
if ( ! makeLayer(_sdVec[iSD]) ) // create _LayerEdge's
return _error;
- if ( _sdVec[iSD]._n2eMap.size() == 0 )
+ if ( _sdVec[iSD]._n2eMap.size() == 0 ) // no layers in a SOLID
+ {
+ _sdVec[iSD]._solid.Nullify();
continue;
-
+ }
+
if ( ! inflate(_sdVec[iSD]) ) // increase length of _LayerEdge's
return _error;
}
}
- // Find faces to shrink mesh on (solution 2 in issue 0020832);
+ // Find FACEs to shrink mesh on (solution 2 in issue 0020832): fill in _shrinkShape2Shape
TopTools_IndexedMapOfShape shapes;
std::string structAlgoName = "Hexa_3D";
for ( size_t i = 0; i < _sdVec.size(); ++i )
for ( int iE = 1; iE <= shapes.Extent(); ++iE )
{
const TopoDS_Shape& edge = shapes(iE);
- // find 2 faces sharing an edge
+ // find 2 FACEs sharing an EDGE
TopoDS_Shape FF[2];
- PShapeIteratorPtr fIt = helper.GetAncestors(edge, *_mesh, TopAbs_FACE);
+ PShapeIteratorPtr fIt = helper.GetAncestors(edge, *_mesh, TopAbs_FACE, &_sdVec[i]._solid);
while ( fIt->more())
{
const TopoDS_Shape* f = fIt->next();
- if ( helper.IsSubShape( *f, _sdVec[i]._solid))
- FF[ int( !FF[0].IsNull()) ] = *f;
+ FF[ int( !FF[0].IsNull()) ] = *f;
}
if( FF[1].IsNull() ) continue; // seam edge can be shared by 1 FACE only
+
// check presence of layers on them
int ignore[2];
for ( int j = 0; j < 2; ++j )
if ( ignore[0] == ignore[1] )
continue; // nothing interesting
TopoDS_Shape fWOL = FF[ ignore[0] ? 0 : 1 ];
- // check presence of layers on fWOL within an adjacent SOLID
- bool collision = false;
- PShapeIteratorPtr sIt = helper.GetAncestors( fWOL, *_mesh, TopAbs_SOLID );
- while ( const TopoDS_Shape* solid = sIt->next() )
- if ( !solid->IsSame( _sdVec[i]._solid ))
- {
- int iSolid = _solids.FindIndex( *solid );
- int iFace = getMeshDS()->ShapeToIndex( fWOL );
- if ( iSolid > 0 && !_sdVec[ iSolid-1 ]._ignoreFaceIds.count( iFace ))
- {
- // check if solid's mesh is unstructured and then try to set it
- // to be computed after the i-th solid
- SMESH_Algo* algo = _mesh->GetSubMesh( *solid )->GetAlgo();
- bool isStructured = ( algo->GetName() == structAlgoName );
- if ( isStructured || !setBefore( _sdVec[ i ], _sdVec[ iSolid-1 ] ))
- collision = true; // don't shrink fWOL
- break;
- }
- }
- // add edge to maps
+
+ // add EDGE to maps
if ( !fWOL.IsNull())
{
TGeomID edgeInd = getMeshDS()->ShapeToIndex( edge );
_sdVec[i]._shrinkShape2Shape.insert( make_pair( edgeInd, fWOL ));
- if ( collision )
- {
- // _shrinkShape2Shape will be used to temporary inflate _LayerEdge's based
- // on the edge but shrink won't be performed
- _sdVec[i]._noShrinkShapes.insert( edgeInd );
- for ( TopoDS_Iterator vIt( edge ); vIt.More(); vIt.Next() )
- _sdVec[i]._noShrinkShapes.insert( getMeshDS()->ShapeToIndex( vIt.Value() ));
- }
}
}
}
- // Exclude from _shrinkShape2Shape FACE's that can't be shrinked since
- // the algo of the SOLID sharing the FACE does not support it
- set< string > notSupportAlgos; notSupportAlgos.insert( structAlgoName );
- for ( size_t i = 0; i < _sdVec.size(); ++i )
- {
- map< TGeomID, TopoDS_Shape >::iterator e2f = _sdVec[i]._shrinkShape2Shape.begin();
- for ( ; e2f != _sdVec[i]._shrinkShape2Shape.end(); ++e2f )
- {
- const TopoDS_Shape& fWOL = e2f->second;
- const TGeomID edgeID = e2f->first;
- bool notShrinkFace = false;
- PShapeIteratorPtr soIt = helper.GetAncestors(fWOL, *_mesh, TopAbs_SOLID);
- while ( soIt->more() )
- {
- const TopoDS_Shape* solid = soIt->next();
- if ( _sdVec[i]._solid.IsSame( *solid )) continue;
- SMESH_Algo* algo = _mesh->GetSubMesh( *solid )->GetAlgo();
- if ( !algo || !notSupportAlgos.count( algo->GetName() )) continue;
- notShrinkFace = true;
- size_t iSolid = 0;
- for ( ; iSolid < _sdVec.size(); ++iSolid )
- {
- if ( _sdVec[iSolid]._solid.IsSame( *solid ) ) {
- if ( _sdVec[iSolid]._shrinkShape2Shape.count( edgeID ))
- notShrinkFace = false;
- break;
- }
- }
- if ( notShrinkFace )
- {
- _sdVec[i]._noShrinkShapes.insert( edgeID );
-
- // add VERTEXes of the edge in _noShrinkShapes
- TopoDS_Shape edge = getMeshDS()->IndexToShape( edgeID );
- for ( TopoDS_Iterator vIt( edge ); vIt.More(); vIt.Next() )
- _sdVec[i]._noShrinkShapes.insert( getMeshDS()->ShapeToIndex( vIt.Value() ));
-
- // check if there is a collision with to-shrink-from EDGEs in iSolid
- if ( iSolid == _sdVec.size() )
- continue; // no VL in the solid
- shapes.Clear();
- TopExp::MapShapes( fWOL, TopAbs_EDGE, shapes);
- for ( int iE = 1; iE <= shapes.Extent(); ++iE )
- {
- const TopoDS_Edge& E = TopoDS::Edge( shapes( iE ));
- const TGeomID eID = getMeshDS()->ShapeToIndex( E );
- if ( eID == edgeID ||
- !_sdVec[iSolid]._shrinkShape2Shape.count( eID ) ||
- _sdVec[i]._noShrinkShapes.count( eID ))
- continue;
- for ( int is1st = 0; is1st < 2; ++is1st )
- {
- TopoDS_Vertex V = helper.IthVertex( is1st, E );
- if ( _sdVec[i]._noShrinkShapes.count( getMeshDS()->ShapeToIndex( V ) ))
- {
- // _sdVec[i]._noShrinkShapes.insert( eID );
- // V = helper.IthVertex( !is1st, E );
- // _sdVec[i]._noShrinkShapes.insert( getMeshDS()->ShapeToIndex( V ));
- //iE = 0; // re-start the loop on EDGEs of fWOL
- return error("No way to make a conformal mesh with "
- "the given set of faces with layers", _sdVec[i]._index);
- }
- }
- }
- }
-
- } // while ( soIt->more() )
- } // loop on _sdVec[i]._shrinkShape2Shape
- } // loop on _sdVec to fill in _SolidData::_noShrinkShapes
// Find the SHAPE along which to inflate _LayerEdge based on VERTEX
// find faces WOL sharing the vertex
vector< TopoDS_Shape > facesWOL;
size_t totalNbFaces = 0;
- PShapeIteratorPtr fIt = helper.GetAncestors(vertex, *_mesh, TopAbs_FACE);
+ PShapeIteratorPtr fIt = helper.GetAncestors(vertex, *_mesh, TopAbs_FACE, &_sdVec[i]._solid );
while ( fIt->more())
{
const TopoDS_Shape* f = fIt->next();
- if ( helper.IsSubShape( *f, _sdVec[i]._solid ) )
- {
- totalNbFaces++;
- const int fID = getMeshDS()->ShapeToIndex( *f );
- if ( _sdVec[i]._ignoreFaceIds.count ( fID ) /*&&
- !_sdVec[i]._noShrinkShapes.count( fID )*/)
- facesWOL.push_back( *f );
- }
+ totalNbFaces++;
+ const int fID = getMeshDS()->ShapeToIndex( *f );
+ if ( _sdVec[i]._ignoreFaceIds.count ( fID ) /*&& !_sdVec[i]._noShrinkShapes.count( fID )*/)
+ facesWOL.push_back( *f );
}
if ( facesWOL.size() == totalNbFaces || facesWOL.empty() )
continue; // no layers at this vertex or no WOL
}
}
- // add FACEs of other SOLIDs to _ignoreFaceIds
+ // Add to _noShrinkShapes sub-shapes of FACE's that can't be shrinked since
+ // the algo of the SOLID sharing the FACE does not support it or for other reasons
+ set< string > notSupportAlgos; notSupportAlgos.insert( structAlgoName );
+ for ( size_t i = 0; i < _sdVec.size(); ++i )
+ {
+ map< TGeomID, TopoDS_Shape >::iterator e2f = _sdVec[i]._shrinkShape2Shape.begin();
+ for ( ; e2f != _sdVec[i]._shrinkShape2Shape.end(); ++e2f )
+ {
+ const TopoDS_Shape& fWOL = e2f->second;
+ const TGeomID edgeID = e2f->first;
+ TGeomID faceID = getMeshDS()->ShapeToIndex( fWOL );
+ TopoDS_Shape edge = getMeshDS()->IndexToShape( edgeID );
+ if ( edge.ShapeType() != TopAbs_EDGE )
+ continue; // shrink shape is VERTEX
+
+ TopoDS_Shape solid;
+ PShapeIteratorPtr soIt = helper.GetAncestors(fWOL, *_mesh, TopAbs_SOLID);
+ while ( soIt->more() && solid.IsNull() )
+ {
+ const TopoDS_Shape* so = soIt->next();
+ if ( !so->IsSame( _sdVec[i]._solid ))
+ solid = *so;
+ }
+ if ( solid.IsNull() )
+ continue;
+
+ bool noShrinkE = false;
+ SMESH_Algo* algo = _mesh->GetSubMesh( solid )->GetAlgo();
+ bool isStructured = ( algo && algo->GetName() == structAlgoName );
+ size_t iSolid = _solids.FindIndex( solid ) - 1;
+ if ( iSolid < _sdVec.size() && _sdVec[ iSolid ]._ignoreFaceIds.count( faceID ))
+ {
+ // the adjacent SOLID has NO layers on fWOL;
+ // shrink allowed if
+ // - there are layers on the EDGE in the adjacent SOLID
+ // - there are NO layers in the adjacent SOLID && algo is unstructured and computed later
+ bool hasWLAdj = (_sdVec[iSolid]._shrinkShape2Shape.count( edgeID ));
+ bool shrinkAllowed = (( hasWLAdj ) ||
+ ( !isStructured && setBefore( _sdVec[ i ], _sdVec[ iSolid ] )));
+ noShrinkE = !shrinkAllowed;
+ }
+ else if ( iSolid < _sdVec.size() )
+ {
+ // the adjacent SOLID has layers on fWOL;
+ // check if SOLID's mesh is unstructured and then try to set it
+ // to be computed after the i-th solid
+ if ( isStructured || !setBefore( _sdVec[ i ], _sdVec[ iSolid ] ))
+ noShrinkE = true; // don't shrink fWOL
+ }
+ else
+ {
+ // the adjacent SOLID has NO layers at all
+ noShrinkE = isStructured;
+ }
+
+ if ( noShrinkE )
+ {
+ _sdVec[i]._noShrinkShapes.insert( edgeID );
+
+ // check if there is a collision with to-shrink-from EDGEs in iSolid
+ // if ( iSolid < _sdVec.size() )
+ // {
+ // shapes.Clear();
+ // TopExp::MapShapes( fWOL, TopAbs_EDGE, shapes);
+ // for ( int iE = 1; iE <= shapes.Extent(); ++iE )
+ // {
+ // const TopoDS_Edge& E = TopoDS::Edge( shapes( iE ));
+ // const TGeomID eID = getMeshDS()->ShapeToIndex( E );
+ // if ( eID == edgeID ||
+ // !_sdVec[iSolid]._shrinkShape2Shape.count( eID ) ||
+ // _sdVec[i]._noShrinkShapes.count( eID ))
+ // continue;
+ // for ( int is1st = 0; is1st < 2; ++is1st )
+ // {
+ // TopoDS_Vertex V = helper.IthVertex( is1st, E );
+ // if ( _sdVec[i]._noShrinkShapes.count( getMeshDS()->ShapeToIndex( V ) ))
+ // {
+ // return error("No way to make a conformal mesh with "
+ // "the given set of faces with layers", _sdVec[i]._index);
+ // }
+ // }
+ // }
+ // }
+ }
+
+ // add VERTEXes of the edge in _noShrinkShapes, which is necessary if
+ // _shrinkShape2Shape is different in the adjacent SOLID
+ for ( TopoDS_Iterator vIt( edge ); vIt.More(); vIt.Next() )
+ {
+ TGeomID vID = getMeshDS()->ShapeToIndex( vIt.Value() );
+ bool noShrinkV = false;
+
+ if ( iSolid < _sdVec.size() )
+ {
+ if ( _sdVec[ iSolid ]._ignoreFaceIds.count( faceID ))
+ {
+ map< TGeomID, TopoDS_Shape >::iterator i2S, i2SAdj;
+ i2S = _sdVec[i ]._shrinkShape2Shape.find( vID );
+ i2SAdj = _sdVec[iSolid]._shrinkShape2Shape.find( vID );
+ if ( i2SAdj == _sdVec[iSolid]._shrinkShape2Shape.end() )
+ noShrinkV = ( i2S->second.ShapeType() == TopAbs_EDGE || isStructured );
+ else
+ noShrinkV = ( ! i2S->second.IsSame( i2SAdj->second ));
+ }
+ else
+ {
+ noShrinkV = noShrinkE;
+ }
+ }
+ else
+ {
+ // the adjacent SOLID has NO layers at all
+ noShrinkV = ( isStructured ||
+ _sdVec[i]._shrinkShape2Shape[ vID ].ShapeType() == TopAbs_EDGE );
+ }
+ if ( noShrinkV )
+ _sdVec[i]._noShrinkShapes.insert( vID );
+ }
+
+ } // loop on _sdVec[i]._shrinkShape2Shape
+ } // loop on _sdVec to fill in _SolidData::_noShrinkShapes
+
+
+ // add FACEs of other SOLIDs to _ignoreFaceIds
for ( size_t i = 0; i < _sdVec.size(); ++i )
{
shapes.Clear();
{
SMESH_MesherHelper helper( *_mesh );
- const int nbTestPnt = 5; // on a FACE sub-shape
-
BRepLProp_SLProps surfProp( 2, 1e-6 );
data._convexFaces.clear();
continue;
TopoDS_Face F = TopoDS::Face( eof._shape );
- SMESH_subMesh * sm = eof._subMesh;
const TGeomID faceID = eof._shapeID;
BRepAdaptor_Surface surface( F, false );
surfProp.SetSurface( surface );
- bool isTooCurved = false;
-
_ConvexFace cnvFace;
- const double oriFactor = ( F.Orientation() == TopAbs_REVERSED ? +1. : -1. );
- SMESH_subMeshIteratorPtr smIt = sm->getDependsOnIterator(/*includeSelf=*/true);
- while ( smIt->more() )
- {
- sm = smIt->next();
- const TGeomID subID = sm->GetId();
- // find _LayerEdge's of a sub-shape
- _EdgesOnShape* eos;
- if (( eos = data.GetShapeEdges( subID )))
- cnvFace._subIdToEOS.insert( make_pair( subID, eos ));
- else
- continue;
- // check concavity and curvature and limit data._stepSize
- const double minCurvature =
- 1. / ( eos->_hyp.GetTotalThickness() * ( 1 + theThickToIntersection ));
- size_t iStep = Max( 1, eos->_edges.size() / nbTestPnt );
- for ( size_t i = 0; i < eos->_edges.size(); i += iStep )
- {
- gp_XY uv = helper.GetNodeUV( F, eos->_edges[ i ]->_nodes[0] );
- surfProp.SetParameters( uv.X(), uv.Y() );
- if ( !surfProp.IsCurvatureDefined() )
- continue;
- if ( surfProp.MaxCurvature() * oriFactor > minCurvature )
- {
- limitStepSize( data, 0.9 / surfProp.MaxCurvature() * oriFactor );
- isTooCurved = true;
- }
- if ( surfProp.MinCurvature() * oriFactor > minCurvature )
- {
- limitStepSize( data, 0.9 / surfProp.MinCurvature() * oriFactor );
- isTooCurved = true;
- }
- }
- } // loop on sub-shapes of the FACE
+ cnvFace._face = F;
+ cnvFace._normalsFixed = false;
+ cnvFace._isTooCurved = false;
- if ( !isTooCurved ) continue;
+ double maxCurvature = cnvFace.GetMaxCurvature( data, eof, surfProp, helper );
+ if ( maxCurvature > 0 )
+ {
+ limitStepSize( data, 0.9 / maxCurvature );
+ findEdgesToUpdateNormalNearConvexFace( cnvFace, data, helper );
+ }
+ if ( !cnvFace._isTooCurved ) continue;
_ConvexFace & convFace =
data._convexFaces.insert( make_pair( faceID, cnvFace )).first->second;
- convFace._face = F;
- convFace._normalsFixed = false;
-
// skip a closed surface (data._convexFaces is useful anyway)
bool isClosedF = false;
helper.SetSubShape( F );
if ( isClosedF )
{
// limit _LayerEdge::_maxLen on the FACE
+ const double oriFactor = ( F.Orientation() == TopAbs_REVERSED ? +1. : -1. );
const double minCurvature =
1. / ( eof._hyp.GetTotalThickness() * ( 1 + theThickToIntersection ));
map< TGeomID, _EdgesOnShape* >::iterator id2eos = cnvFace._subIdToEOS.find( faceID );
_LayerEdge* ledge = eos._edges[ i ];
gp_XY uv = helper.GetNodeUV( F, ledge->_nodes[0] );
surfProp.SetParameters( uv.X(), uv.Y() );
- if ( !surfProp.IsCurvatureDefined() )
- continue;
-
- if ( surfProp.MaxCurvature() * oriFactor > minCurvature )
- ledge->_maxLen = Min( ledge->_maxLen, 1. / surfProp.MaxCurvature() * oriFactor );
-
- if ( surfProp.MinCurvature() * oriFactor > minCurvature )
- ledge->_maxLen = Min( ledge->_maxLen, 1. / surfProp.MinCurvature() * oriFactor );
+ if ( surfProp.IsCurvatureDefined() )
+ {
+ double curvature = Max( surfProp.MaxCurvature() * oriFactor,
+ surfProp.MinCurvature() * oriFactor );
+ if ( curvature > minCurvature )
+ ledge->_maxLen = Min( ledge->_maxLen, 1. / curvature );
+ }
}
}
continue;
// define allowed thickness
computeGeomSize( data ); // compute data._geomSize and _LayerEdge::_maxLen
- data._maxThickness = 0;
- data._minThickness = 1e100;
- list< const StdMeshers_ViscousLayers* >::iterator hyp = data._hyps.begin();
- for ( ; hyp != data._hyps.end(); ++hyp )
- {
- data._maxThickness = Max( data._maxThickness, (*hyp)->GetTotalThickness() );
- data._minThickness = Min( data._minThickness, (*hyp)->GetTotalThickness() );
- }
- //const double tgtThick = /*Min( 0.5 * data._geomSize, */data._maxThickness;
// Find shapes needing smoothing; such a shape has _LayerEdge._normal on it's
- // boundry inclined to the shape at a sharp angle
+ // boundary inclined to the shape at a sharp angle
//list< TGeomID > shapesToSmooth;
TopTools_MapOfShape edgesOfSmooFaces;
{
eos._edgeSmoother = new _Smoother1D( curve, eos );
- for ( size_t i = 0; i < eos._edges.size(); ++i )
- eos._edges[i]->Set( _LayerEdge::TO_SMOOTH );
+ // for ( size_t i = 0; i < eos._edges.size(); ++i )
+ // eos._edges[i]->Set( _LayerEdge::TO_SMOOTH );
}
}
}
}
// find _normal
+ bool fromVonF = false;
if ( useGeometry )
{
- bool fromVonF = ( eos.ShapeType() == TopAbs_VERTEX &&
- eos.SWOLType() == TopAbs_FACE &&
- totalNbFaces > 1 );
+ fromVonF = ( eos.ShapeType() == TopAbs_VERTEX &&
+ eos.SWOLType() == TopAbs_FACE &&
+ totalNbFaces > 1 );
if ( onShrinkShape && !fromVonF ) // one of faces the node is on has no layers
{
break;
}
case TopAbs_VERTEX: {
- //if ( eos.SWOLType() != TopAbs_FACE ) // else _cosin is set by getFaceDir()
+ if ( fromVonF )
+ {
+ getFaceDir( TopoDS::Face( eos._sWOL ), TopoDS::Vertex( eos._shape ),
+ node, helper, normOK, &edge._cosin );
+ }
+ else if ( eos.SWOLType() != TopAbs_FACE ) // else _cosin is set by getFaceDir()
{
TopoDS_Vertex V = TopoDS::Vertex( eos._shape );
gp_Vec inFaceDir = getFaceDir( F, V, node, helper, normOK );
double angle = inFaceDir.Angle( edge._normal ); // [0,PI]
edge._cosin = Cos( angle );
if ( totalNbFaces > 2 || helper.IsSeamShape( node->getshapeId() ))
- for ( int iF = totalNbFaces-2; iF >=0; --iF )
+ for ( int iF = 1; iF < totalNbFaces; ++iF )
{
F = face2Norm[ iF ].first;
inFaceDir = getFaceDir( F, V, node, helper, normOK=true );
//================================================================================
/*!
* \brief Copy data from a _LayerEdge of other SOLID and based on the same node;
- * this and other _LayerEdge's are inflated along a FACE or an EDGE
+ * this and the other _LayerEdge are inflated along a FACE or an EDGE
*/
//================================================================================
_EdgesOnShape& eos = data._edgesOnShape[ iS ];
if ( eos._edges.empty() )
continue;
- // get neighbor faces intersection with which should not be considered since
+ // get neighbor faces, intersection with which should not be considered since
// collisions are avoided by means of smoothing
set< TGeomID > neighborFaces;
if ( eos._hyp.ToSmooth() )
}
}
}
+
+ data._maxThickness = 0;
+ data._minThickness = 1e100;
+ list< const StdMeshers_ViscousLayers* >::iterator hyp = data._hyps.begin();
+ for ( ; hyp != data._hyps.end(); ++hyp )
+ {
+ data._maxThickness = Max( data._maxThickness, (*hyp)->GetTotalThickness() );
+ data._minThickness = Min( data._minThickness, (*hyp)->GetTotalThickness() );
+ }
+
+ // Limit inflation step size by geometry size found by intersecting
+ // normals of _LayerEdge's with mesh faces
+ if ( data._stepSize > 0.3 * data._geomSize )
+ limitStepSize( data, 0.3 * data._geomSize );
+
+ if ( data._stepSize > data._minThickness )
+ limitStepSize( data, data._minThickness );
+
+
+ // -------------------------------------------------------------------------
+ // Detect _LayerEdge which can't intersect with opposite or neighbor layer,
+ // so no need in detecting intersection at each inflation step
+ // -------------------------------------------------------------------------
+
+ int nbSteps = data._maxThickness / data._stepSize;
+ if ( nbSteps < 3 || nbSteps * data._n2eMap.size() < 100000 )
+ return;
+
+ vector< const SMDS_MeshElement* > closeFaces;
+ int nbDetected = 0;
+
+ for ( size_t iS = 0; iS < data._edgesOnShape.size(); ++iS )
+ {
+ _EdgesOnShape& eos = data._edgesOnShape[ iS ];
+ if ( eos._edges.empty() || eos.ShapeType() != TopAbs_FACE )
+ continue;
+
+ for ( size_t i = 0; i < eos.size(); ++i )
+ {
+ SMESH_NodeXYZ p( eos[i]->_nodes[0] );
+ double radius = data._maxThickness + 2 * eos[i]->_maxLen;
+ closeFaces.clear();
+ searcher->GetElementsInSphere( p, radius, SMDSAbs_Face, closeFaces );
+
+ bool toIgnore = true;
+ for ( size_t iF = 0; iF < closeFaces.size() && toIgnore; ++iF )
+ if ( !( toIgnore = ( closeFaces[ iF ]->getshapeId() == eos._shapeID ||
+ data._ignoreFaceIds.count( closeFaces[ iF ]->getshapeId() ))))
+ {
+ // check if a _LayerEdge will inflate in a direction opposite to a direction
+ // toward a close face
+ bool allBehind = true;
+ for ( int iN = 0; iN < closeFaces[ iF ]->NbCornerNodes() && allBehind; ++iN )
+ {
+ SMESH_NodeXYZ pi( closeFaces[ iF ]->GetNode( iN ));
+ allBehind = (( pi - p ) * eos[i]->_normal < 0.1 * data._stepSize );
+ }
+ toIgnore = allBehind;
+ }
+
+
+ if ( toIgnore ) // no need to detect intersection
+ {
+ eos[i]->Set( _LayerEdge::INTERSECTED );
+ ++nbDetected;
+ }
+ }
+ }
+
+ debugMsg( "Nb LE to intersect " << data._n2eMap.size()-nbDetected << ", ignore " << nbDetected );
+
+ return;
}
//================================================================================
{
SMESH_MesherHelper helper( *_mesh );
- // Limit inflation step size by geometry size found by itersecting
- // normals of _LayerEdge's with mesh faces
- if ( data._stepSize > 0.3 * data._geomSize )
- limitStepSize( data, 0.3 * data._geomSize );
-
const double tgtThick = data._maxThickness;
- if ( data._stepSize > data._minThickness )
- limitStepSize( data, data._minThickness );
if ( data._stepSize < 1. )
data._epsilon = data._stepSize * 1e-7;
debugMsg( "-- geomSize = " << data._geomSize << ", stepSize = " << data._stepSize );
+ _pyDump->Pause();
findCollisionEdges( data, helper );
limitMaxLenByCurvature( data, helper );
+ _pyDump->Resume();
+
// limit length of _LayerEdge's around MULTI_NORMAL _LayerEdge's
for ( size_t i = 0; i < data._edgesOnShape.size(); ++i )
if ( data._edgesOnShape[i].ShapeType() == TopAbs_VERTEX &&
const double shapeTgtThick = eos._hyp.GetTotalThickness();
for ( size_t i = 0; i < eos._edges.size(); ++i )
{
- avgThick += Min( 1., eos._edges[i]->_len / shapeTgtThick );
+ if ( eos._edges[i]->_nodes.size() > 1 )
+ avgThick += Min( 1., eos._edges[i]->_len / shapeTgtThick );
+ else
+ avgThick += shapeTgtThick;
nbActiveEdges += ( ! eos._edges[i]->Is( _LayerEdge::BLOCKED ));
}
}
break;
}
#endif
+
// new step size
limitStepSize( data, 0.25 * distToIntersection );
if ( data._stepSizeNodes[0] )
_LayerEdge* edge = eos._edges[i];
if ( edge->_nodes.size() < 2 ) continue;
SMESH_TNodeXYZ tgtXYZ = edge->_nodes.back();
- gp_XYZ prevXYZ = edge->PrevCheckPos( &eos );
+ SMESH_TNodeXYZ prevXYZ = edge->_nodes[0];
+ //gp_XYZ prevXYZ = edge->PrevCheckPos( &eos );
//const gp_XYZ& prevXYZ = edge->PrevPos();
for ( size_t j = 0; j < edge->_simplices.size(); ++j )
if ( !edge->_simplices[j].IsForward( &prevXYZ, &tgtXYZ, vol ))
// ignore intersection of a _LayerEdge based on a _ConvexFace with a face
// lying on this _ConvexFace
if ( _ConvexFace* convFace = data.GetConvexFace( intFace->getshapeId() ))
- if ( convFace->_subIdToEOS.count ( eos._shapeID ))
+ if ( convFace->_isTooCurved && convFace->_subIdToEOS.count ( eos._shapeID ))
continue;
// ignore intersection of a _LayerEdge based on a FACE with an element on this FACE
if ( dist > 0 )
{
bool toIgnore = false;
- if ( eos._edges[i]->Is( _LayerEdge::TO_SMOOTH ))
+ if ( eos._toSmooth )
{
const TopoDS_Shape& S = getMeshDS()->IndexToShape( intFace->getshapeId() );
if ( !S.IsNull() && S.ShapeType() == TopAbs_FACE )
{
- TopExp_Explorer edge( eos._shape, TopAbs_EDGE );
- for ( ; !toIgnore && edge.More(); edge.Next() )
- // is adjacent - has a common EDGE
- toIgnore = ( helper.IsSubShape( edge.Current(), S ));
+ TopExp_Explorer sub( eos._shape,
+ eos.ShapeType() == TopAbs_FACE ? TopAbs_EDGE : TopAbs_VERTEX );
+ for ( ; !toIgnore && sub.More(); sub.Next() )
+ // is adjacent - has a common EDGE or VERTEX
+ toIgnore = ( helper.IsSubShape( sub.Current(), S ));
if ( toIgnore ) // check angle between normals
{
int infStep,
vector< _EdgesOnShape* >& eosC1,
int smooStep,
- bool moveAll )
+ int moveAll )
{
_EdgesOnShape * eof = & eos;
if ( eos.ShapeType() != TopAbs_FACE ) // eos is a boundary of C1 FACE, look for the FACE eos
edge->Unset( _LayerEdge::MARKED );
if ( edge->Is( _LayerEdge::BLOCKED ) || !edge->_curvature )
continue;
- if ( !moveAll && !edge->Is( _LayerEdge::MOVED ))
+ if ( moveAll == _LayerEdge::UPD_NORMAL_CONV )
+ {
+ if ( !edge->Is( _LayerEdge::UPD_NORMAL_CONV ))
continue;
+ }
+ else if ( !moveAll && !edge->Is( _LayerEdge::MOVED ))
+ continue;
int nbBlockedAround = 0;
for ( size_t iN = 0; iN < edge->_neibors.size(); ++iN )
gp_Pnt tgtP = SMESH_TNodeXYZ( edge->_nodes.back() );
gp_Pnt2d uv = eof->_offsetSurf->NextValueOfUV( edge->_curvature->_uv, tgtP, preci );
- if ( eof->_offsetSurf->Gap() > edge->_len ) continue; // NextValueOfUV() bug
+ if ( eof->_offsetSurf->Gap() > edge->_len ) continue; // NextValueOfUV() bug
edge->_curvature->_uv = uv;
if ( eof->_offsetSurf->Gap() < 10 * preci ) continue; // same pos
edge->_pos.back() = newP;
edge->Set( _LayerEdge::MARKED );
+ if ( moveAll == _LayerEdge::UPD_NORMAL_CONV )
+ {
+ edge->_normal = ( newP - prevP ).Normalized();
+ }
}
}
+
+
#ifdef _DEBUG_
// dumpMove() for debug
size_t i = 0;
break;
if ( i < eos._edges.size() )
{
- dumpFunction(SMESH_Comment("putOnOffsetSurface_F") << eos._shapeID
+ dumpFunction(SMESH_Comment("putOnOffsetSurface_S") << eos._shapeID
<< "_InfStep" << infStep << "_" << smooStep );
for ( ; i < eos._edges.size(); ++i )
{
dumpFunctionEnd();
}
#endif
+
+ _ConvexFace* cnvFace;
+ if ( moveAll != _LayerEdge::UPD_NORMAL_CONV &&
+ eos.ShapeType() == TopAbs_FACE &&
+ (cnvFace = eos.GetData().GetConvexFace( eos._shapeID )) &&
+ !cnvFace->_normalsFixedOnBorders )
+ {
+ // put on the surface nodes built on FACE boundaries
+ SMESH_subMeshIteratorPtr smIt = eos._subMesh->getDependsOnIterator(/*includeSelf=*/false);
+ while ( smIt->more() )
+ {
+ SMESH_subMesh* sm = smIt->next();
+ _EdgesOnShape* subEOS = eos.GetData().GetShapeEdges( sm->GetId() );
+ if ( !subEOS->_sWOL.IsNull() ) continue;
+ if ( std::find( eosC1.begin(), eosC1.end(), subEOS ) != eosC1.end() ) continue;
+
+ putOnOffsetSurface( *subEOS, infStep, eosC1, smooStep, _LayerEdge::UPD_NORMAL_CONV );
+ }
+ cnvFace->_normalsFixedOnBorders = true;
+ }
}
//================================================================================
return Handle(Geom_Curve)();
}
+//================================================================================
+/*!
+ * \brief Smooth edges on EDGE
+ */
+//================================================================================
+
+bool _Smoother1D::Perform(_SolidData& data,
+ Handle(ShapeAnalysis_Surface)& surface,
+ const TopoDS_Face& F,
+ SMESH_MesherHelper& helper )
+{
+ if ( _leParams.empty() || ( !isAnalytic() && _offPoints.empty() ))
+ prepare( data );
+
+ findEdgesToSmooth();
+ if ( isAnalytic() )
+ return smoothAnalyticEdge( data, surface, F, helper );
+ else
+ return smoothComplexEdge ( data, surface, F, helper );
+}
+
+//================================================================================
+/*!
+ * \brief Find edges to smooth
+ */
+//================================================================================
+
+void _Smoother1D::findEdgesToSmooth()
+{
+ _LayerEdge* leOnV[2] = { getLEdgeOnV(0), getLEdgeOnV(1) };
+ for ( int iEnd = 0; iEnd < 2; ++iEnd )
+ if ( leOnV[iEnd]->Is( _LayerEdge::NORMAL_UPDATED ))
+ _leOnV[iEnd]._cosin = Abs( _edgeDir[iEnd].Normalized() * leOnV[iEnd]->_normal );
+
+ _eToSmooth[0].first = _eToSmooth[0].second = 0;
+
+ for ( size_t i = 0; i < _eos.size(); ++i )
+ {
+ if ( !_eos[i]->Is( _LayerEdge::TO_SMOOTH ))
+ {
+ if ( needSmoothing( _leOnV[0]._cosin, _eos[i]->_len, _curveLen * _leParams[i] ) ||
+ isToSmooth( i ))
+ _eos[i]->Set( _LayerEdge::TO_SMOOTH );
+ else
+ break;
+ }
+ _eToSmooth[0].second = i+1;
+ }
+
+ _eToSmooth[1].first = _eToSmooth[1].second = _eos.size();
+
+ for ( int i = _eos.size() - 1; i >= _eToSmooth[0].second; --i )
+ {
+ if ( !_eos[i]->Is( _LayerEdge::TO_SMOOTH ))
+ {
+ if ( needSmoothing( _leOnV[1]._cosin, _eos[i]->_len, _curveLen * ( 1.-_leParams[i] )) ||
+ isToSmooth( i ))
+ _eos[i]->Set( _LayerEdge::TO_SMOOTH );
+ else
+ break;
+ }
+ _eToSmooth[1].first = i;
+ }
+}
+
+//================================================================================
+/*!
+ * \brief Check if iE-th _LayerEdge needs smoothing
+ */
+//================================================================================
+
+bool _Smoother1D::isToSmooth( int iE )
+{
+ SMESH_NodeXYZ pi( _eos[iE]->_nodes[0] );
+ SMESH_NodeXYZ p0( _eos[iE]->_2neibors->srcNode(0) );
+ SMESH_NodeXYZ p1( _eos[iE]->_2neibors->srcNode(1) );
+ gp_XYZ seg0 = pi - p0;
+ gp_XYZ seg1 = p1 - pi;
+ gp_XYZ tangent = seg0 + seg1;
+ double tangentLen = tangent.Modulus();
+ double segMinLen = Min( seg0.Modulus(), seg1.Modulus() );
+ if ( tangentLen < std::numeric_limits<double>::min() )
+ return false;
+ tangent /= tangentLen;
+
+ for ( size_t i = 0; i < _eos[iE]->_neibors.size(); ++i )
+ {
+ _LayerEdge* ne = _eos[iE]->_neibors[i];
+ if ( !ne->Is( _LayerEdge::TO_SMOOTH ) ||
+ ne->_nodes.size() < 2 ||
+ ne->_nodes[0]->GetPosition()->GetDim() != 2 )
+ continue;
+ gp_XYZ edgeVec = SMESH_NodeXYZ( ne->_nodes.back() ) - SMESH_NodeXYZ( ne->_nodes[0] );
+ double proj = edgeVec * tangent;
+ if ( needSmoothing( 1., proj, segMinLen ))
+ return true;
+ }
+ return false;
+}
+
//================================================================================
/*!
* \brief smooth _LayerEdge's on a staight EDGE or circular EDGE
{
if ( !isAnalytic() ) return false;
- const size_t iFrom = 0, iTo = _eos._edges.size();
+ size_t iFrom = 0, iTo = _eos._edges.size();
if ( _anaCurve->IsKind( STANDARD_TYPE( Geom_Line )))
{
if ( F.IsNull() ) // 3D
{
- SMESH_TNodeXYZ p0 ( _eos._edges[iFrom]->_2neibors->tgtNode(0) );
- SMESH_TNodeXYZ p1 ( _eos._edges[iTo-1]->_2neibors->tgtNode(1) );
SMESH_TNodeXYZ pSrc0( _eos._edges[iFrom]->_2neibors->srcNode(0) );
SMESH_TNodeXYZ pSrc1( _eos._edges[iTo-1]->_2neibors->srcNode(1) );
- gp_XYZ newPos, lineDir = pSrc1 - pSrc0;
- _LayerEdge* vLE0 = _eos._edges[iFrom]->_2neibors->_edges[0];
- _LayerEdge* vLE1 = _eos._edges[iTo-1]->_2neibors->_edges[1];
- bool shiftOnly = ( vLE0->Is( _LayerEdge::NORMAL_UPDATED ) ||
- vLE0->Is( _LayerEdge::BLOCKED ) ||
- vLE1->Is( _LayerEdge::NORMAL_UPDATED ) ||
- vLE1->Is( _LayerEdge::BLOCKED ));
- for ( size_t i = iFrom; i < iTo; ++i )
- {
- _LayerEdge* edge = _eos._edges[i];
- SMDS_MeshNode* tgtNode = const_cast<SMDS_MeshNode*>( edge->_nodes.back() );
- newPos = p0 * ( 1. - _leParams[i] ) + p1 * _leParams[i];
-
- if ( shiftOnly || edge->Is( _LayerEdge::NORMAL_UPDATED ))
+ //const gp_XYZ lineDir = pSrc1 - pSrc0;
+ //_LayerEdge* vLE0 = getLEdgeOnV( 0 );
+ //_LayerEdge* vLE1 = getLEdgeOnV( 1 );
+ // bool shiftOnly = ( vLE0->Is( _LayerEdge::NORMAL_UPDATED ) ||
+ // vLE0->Is( _LayerEdge::BLOCKED ) ||
+ // vLE1->Is( _LayerEdge::NORMAL_UPDATED ) ||
+ // vLE1->Is( _LayerEdge::BLOCKED ));
+ for ( int iEnd = 0; iEnd < 2; ++iEnd )
+ {
+ iFrom = _eToSmooth[ iEnd ].first, iTo = _eToSmooth[ iEnd ].second;
+ if ( iFrom >= iTo ) continue;
+ SMESH_TNodeXYZ p0( _eos[iFrom]->_2neibors->tgtNode(0) );
+ SMESH_TNodeXYZ p1( _eos[iTo-1]->_2neibors->tgtNode(1) );
+ double param0 = ( iFrom == 0 ) ? 0. : _leParams[ iFrom-1 ];
+ double param1 = _leParams[ iTo ];
+ for ( size_t i = iFrom; i < iTo; ++i )
{
- gp_XYZ curPos = SMESH_TNodeXYZ ( tgtNode );
- double shift = ( lineDir * ( newPos - pSrc0 ) -
- lineDir * ( curPos - pSrc0 ));
- newPos = curPos + lineDir * shift / lineDir.SquareModulus();
- }
- if ( edge->Is( _LayerEdge::BLOCKED ))
- {
- SMESH_TNodeXYZ pSrc( edge->_nodes[0] );
- double curThick = pSrc.SquareDistance( tgtNode );
- double newThink = ( pSrc - newPos ).SquareModulus();
- if ( newThink > curThick )
- continue;
+ _LayerEdge* edge = _eos[i];
+ SMDS_MeshNode* tgtNode = const_cast<SMDS_MeshNode*>( edge->_nodes.back() );
+ double param = ( _leParams[i] - param0 ) / ( param1 - param0 );
+ gp_XYZ newPos = p0 * ( 1. - param ) + p1 * param;
+
+ // if ( shiftOnly || edge->Is( _LayerEdge::NORMAL_UPDATED ))
+ // {
+ // gp_XYZ curPos = SMESH_TNodeXYZ ( tgtNode );
+ // double shift = ( lineDir * ( newPos - pSrc0 ) -
+ // lineDir * ( curPos - pSrc0 ));
+ // newPos = curPos + lineDir * shift / lineDir.SquareModulus();
+ // }
+ if ( edge->Is( _LayerEdge::BLOCKED ))
+ {
+ SMESH_TNodeXYZ pSrc( edge->_nodes[0] );
+ double curThick = pSrc.SquareDistance( tgtNode );
+ double newThink = ( pSrc - newPos ).SquareModulus();
+ if ( newThink > curThick )
+ continue;
+ }
+ edge->_pos.back() = newPos;
+ tgtNode->setXYZ( newPos.X(), newPos.Y(), newPos.Z() );
+ dumpMove( tgtNode );
}
- edge->_pos.back() = newPos;
- tgtNode->setXYZ( newPos.X(), newPos.Y(), newPos.Z() );
- dumpMove( tgtNode );
}
}
else // 2D
{
- _LayerEdge* e0 = getLEdgeOnV( 0 );
- _LayerEdge* e1 = getLEdgeOnV( 1 );
- gp_XY uv0 = e0->LastUV( F, *data.GetShapeEdges( e0 ));
- gp_XY uv1 = e1->LastUV( F, *data.GetShapeEdges( e1 ));
- if ( e0->_nodes.back() == e1->_nodes.back() ) // closed edge
+ _LayerEdge* eV0 = getLEdgeOnV( 0 );
+ _LayerEdge* eV1 = getLEdgeOnV( 1 );
+ gp_XY uvV0 = eV0->LastUV( F, *data.GetShapeEdges( eV0 ));
+ gp_XY uvV1 = eV1->LastUV( F, *data.GetShapeEdges( eV1 ));
+ if ( eV0->_nodes.back() == eV1->_nodes.back() ) // closed edge
{
int iPeriodic = helper.GetPeriodicIndex();
if ( iPeriodic == 1 || iPeriodic == 2 )
{
- uv1.SetCoord( iPeriodic, helper.GetOtherParam( uv1.Coord( iPeriodic )));
- if ( uv0.Coord( iPeriodic ) > uv1.Coord( iPeriodic ))
- std::swap( uv0, uv1 );
- }
- }
- const gp_XY rangeUV = uv1 - uv0;
- for ( size_t i = iFrom; i < iTo; ++i )
- {
- if ( _eos._edges[i]->Is( _LayerEdge::BLOCKED )) continue;
- gp_XY newUV = uv0 + _leParams[i] * rangeUV;
- _eos._edges[i]->_pos.back().SetCoord( newUV.X(), newUV.Y(), 0 );
+ uvV1.SetCoord( iPeriodic, helper.GetOtherParam( uvV1.Coord( iPeriodic )));
+ if ( uvV0.Coord( iPeriodic ) > uvV1.Coord( iPeriodic ))
+ std::swap( uvV0, uvV1 );
+ }
+ }
+ for ( int iEnd = 0; iEnd < 2; ++iEnd )
+ {
+ iFrom = _eToSmooth[ iEnd ].first, iTo = _eToSmooth[ iEnd ].second;
+ if ( iFrom >= iTo ) continue;
+ _LayerEdge* e0 = _eos[iFrom]->_2neibors->_edges[0];
+ _LayerEdge* e1 = _eos[iTo-1]->_2neibors->_edges[1];
+ gp_XY uv0 = ( e0 == eV0 ) ? uvV0 : e0->LastUV( F, _eos );
+ gp_XY uv1 = ( e1 == eV1 ) ? uvV1 : e1->LastUV( F, _eos );
+ double param0 = ( iFrom == 0 ) ? 0. : _leParams[ iFrom-1 ];
+ double param1 = _leParams[ iTo ];
+ gp_XY rangeUV = uv1 - uv0;
+ for ( size_t i = iFrom; i < iTo; ++i )
+ {
+ if ( _eos[i]->Is( _LayerEdge::BLOCKED )) continue;
+ double param = ( _leParams[i] - param0 ) / ( param1 - param0 );
+ gp_XY newUV = uv0 + param * rangeUV;
- gp_Pnt newPos = surface->Value( newUV.X(), newUV.Y() );
- SMDS_MeshNode* tgtNode = const_cast<SMDS_MeshNode*>( _eos._edges[i]->_nodes.back() );
- tgtNode->setXYZ( newPos.X(), newPos.Y(), newPos.Z() );
- dumpMove( tgtNode );
+ gp_Pnt newPos = surface->Value( newUV.X(), newUV.Y() );
+ SMDS_MeshNode* tgtNode = const_cast<SMDS_MeshNode*>( _eos[i]->_nodes.back() );
+ tgtNode->setXYZ( newPos.X(), newPos.Y(), newPos.Z() );
+ dumpMove( tgtNode );
- SMDS_FacePosition* pos = static_cast<SMDS_FacePosition*>( tgtNode->GetPosition() );
- pos->SetUParameter( newUV.X() );
- pos->SetVParameter( newUV.Y() );
+ SMDS_FacePosition* pos = static_cast<SMDS_FacePosition*>( tgtNode->GetPosition() );
+ pos->SetUParameter( newUV.X() );
+ pos->SetVParameter( newUV.Y() );
+
+ gp_XYZ newUV0( newUV.X(), newUV.Y(), 0 );
+
+ if ( !_eos[i]->Is( _LayerEdge::SMOOTHED ))
+ {
+ _eos[i]->Set( _LayerEdge::SMOOTHED ); // to check in refine() (IPAL54237)
+ if ( _eos[i]->_pos.size() > 2 )
+ {
+ // modify previous positions to make _LayerEdge less sharply bent
+ vector<gp_XYZ>& uvVec = _eos[i]->_pos;
+ const gp_XYZ uvShift = newUV0 - uvVec.back();
+ const double len2 = ( uvVec.back() - uvVec[ 0 ] ).SquareModulus();
+ int iPrev = uvVec.size() - 2;
+ while ( iPrev > 0 )
+ {
+ double r = ( uvVec[ iPrev ] - uvVec[0] ).SquareModulus() / len2;
+ uvVec[ iPrev ] += uvShift * r;
+ --iPrev;
+ }
+ }
+ }
+ _eos[i]->_pos.back() = newUV0;
+ }
}
}
return true;
if ( uLast < 0 )
uLast += 2 * M_PI;
- for ( size_t i = iFrom; i < iTo; ++i )
+ for ( size_t i = 0; i < _eos.size(); ++i )
{
- if ( _eos._edges[i]->Is( _LayerEdge::BLOCKED )) continue;
+ if ( _eos[i]->Is( _LayerEdge::BLOCKED )) continue;
+ //if ( !_eos[i]->Is( _LayerEdge::TO_SMOOTH )) continue;
double u = uLast * _leParams[i];
gp_Pnt p = ElCLib::Value( u, newCirc );
_eos._edges[i]->_pos.back() = p.XYZ();
gp_Ax2d axis( center, vec0 );
gp_Circ2d circ( axis, radius );
- for ( size_t i = iFrom; i < iTo; ++i )
+ for ( size_t i = 0; i < _eos.size(); ++i )
{
- if ( _eos._edges[i]->Is( _LayerEdge::BLOCKED )) continue;
+ if ( _eos[i]->Is( _LayerEdge::BLOCKED )) continue;
+ //if ( !_eos[i]->Is( _LayerEdge::TO_SMOOTH )) continue;
double newU = uLast * _leParams[i];
gp_Pnt2d newUV = ElCLib::Value( newU, circ );
_eos._edges[i]->_pos.back().SetCoord( newUV.X(), newUV.Y(), 0 );
SMDS_FacePosition* pos = static_cast<SMDS_FacePosition*>( tgtNode->GetPosition() );
pos->SetUParameter( newUV.X() );
pos->SetVParameter( newUV.Y() );
+
+ _eos[i]->Set( _LayerEdge::SMOOTHED ); // to check in refine() (IPAL54237)
}
}
return true;
if ( _offPoints.empty() )
return false;
+ // ----------------------------------------------
// move _offPoints along normals of _LayerEdge's
+ // ----------------------------------------------
_LayerEdge* e[2] = { getLEdgeOnV(0), getLEdgeOnV(1) };
if ( e[0]->Is( _LayerEdge::NORMAL_UPDATED ))
}
}
+ // -----------------------------------------------------------------
// project tgt nodes of extreme _LayerEdge's to the offset segments
+ // -----------------------------------------------------------------
- if ( e[0]->Is( _LayerEdge::NORMAL_UPDATED )) _iSeg[0] = 0;
- if ( e[1]->Is( _LayerEdge::NORMAL_UPDATED )) _iSeg[1] = _offPoints.size()-2;
+ const int updatedOrBlocked = _LayerEdge::NORMAL_UPDATED | _LayerEdge::BLOCKED;
+ if ( e[0]->Is( updatedOrBlocked )) _iSeg[0] = 0;
+ if ( e[1]->Is( updatedOrBlocked )) _iSeg[1] = _offPoints.size()-2;
gp_Pnt pExtreme[2], pProj[2];
for ( int is2nd = 0; is2nd < 2; ++is2nd )
gp_Vec vDiv1( pExtreme[1], pProj[1] );
double d0 = vDiv0.Magnitude();
double d1 = vDiv1.Magnitude();
- if ( e[0]->_normal * vDiv0.XYZ() < 0 ) e[0]->_len += d0;
- else e[0]->_len -= d0;
- if ( e[1]->_normal * vDiv1.XYZ() < 0 ) e[1]->_len += d1;
- else e[1]->_len -= d1;
+ if ( e[0]->Is( _LayerEdge::BLOCKED )) {
+ if ( e[0]->_normal * vDiv0.XYZ() < 0 ) e[0]->_len += d0;
+ else e[0]->_len -= d0;
+ }
+ if ( e[1]->Is( _LayerEdge::BLOCKED )) {
+ if ( e[1]->_normal * vDiv1.XYZ() < 0 ) e[1]->_len += d1;
+ else e[1]->_len -= d1;
+ }
+ // ---------------------------------------------------------------------------------
// compute normalized length of the offset segments located between the projections
+ // ---------------------------------------------------------------------------------
size_t iSeg = 0, nbSeg = _iSeg[1] - _iSeg[0] + 1;
vector< double > len( nbSeg + 1 );
_offPoints[ _iSeg[0] ]._xyz = pExtreme[0].XYZ();
_offPoints[ _iSeg[1]+ 1]._xyz = pExtreme[1].XYZ();
+ // -------------------------------------------------------------
// distribute tgt nodes of _LayerEdge's between the projections
+ // -------------------------------------------------------------
iSeg = 0;
- for ( size_t i = 0; i < _eos._edges.size(); ++i )
+ for ( size_t i = 0; i < _eos.size(); ++i )
{
- if ( _eos._edges[i]->Is( _LayerEdge::BLOCKED )) continue;
+ if ( _eos[i]->Is( _LayerEdge::BLOCKED )) continue;
+ //if ( !_eos[i]->Is( _LayerEdge::TO_SMOOTH )) continue;
while ( iSeg+2 < len.size() && _leParams[i] > len[ iSeg+1 ] )
iSeg++;
double r = ( _leParams[i] - len[ iSeg ]) / ( len[ iSeg+1 ] - len[ iSeg ]);
if ( surface.IsNull() )
{
- _eos._edges[i]->_pos.back() = p;
+ _eos[i]->_pos.back() = p;
}
else // project a new node position to a FACE
{
- gp_Pnt2d uv ( _eos._edges[i]->_pos.back().X(), _eos._edges[i]->_pos.back().Y() );
+ gp_Pnt2d uv ( _eos[i]->_pos.back().X(), _eos[i]->_pos.back().Y() );
gp_Pnt2d uv2( surface->NextValueOfUV( uv, p, fTol ));
p = surface->Value( uv2 ).XYZ();
- _eos._edges[i]->_pos.back().SetCoord( uv2.X(), uv2.Y(), 0 );
+ _eos[i]->_pos.back().SetCoord( uv2.X(), uv2.Y(), 0 );
}
- SMDS_MeshNode* tgtNode = const_cast<SMDS_MeshNode*>( _eos._edges[i]->_nodes.back() );
+ SMDS_MeshNode* tgtNode = const_cast<SMDS_MeshNode*>( _eos[i]->_nodes.back() );
tgtNode->setXYZ( p.X(), p.Y(), p.Z() );
dumpMove( tgtNode );
}
double fullLen = _leParams.back() + pPrev.Distance( SMESH_TNodeXYZ( getLEdgeOnV(1)->_nodes[0]));
for ( size_t i = 0; i < _leParams.size()-1; ++i )
_leParams[i] = _leParams[i+1] / fullLen;
+ _leParams.back() = 1.;
}
+ _LayerEdge* leOnV[2] = { getLEdgeOnV(0), getLEdgeOnV(1) };
+
+ // get cosin to use in findEdgesToSmooth()
+ _edgeDir[0] = getEdgeDir( E, leOnV[0]->_nodes[0], data.GetHelper() );
+ _edgeDir[1] = getEdgeDir( E, leOnV[1]->_nodes[0], data.GetHelper() );
+ _leOnV[0]._cosin = Abs( leOnV[0]->_cosin );
+ _leOnV[1]._cosin = Abs( leOnV[1]->_cosin );
+ if ( _eos._sWOL.IsNull() ) // 3D
+ for ( int iEnd = 0; iEnd < 2; ++iEnd )
+ _leOnV[iEnd]._cosin = Abs( _edgeDir[iEnd].Normalized() * leOnV[iEnd]->_normal );
+
if ( isAnalytic() )
return;
// divide E to have offset segments with low deflection
BRepAdaptor_Curve c3dAdaptor( E );
- const double curDeflect = 0.1; //0.3; // 0.01; // Curvature deflection
- const double angDeflect = 0.1; //0.2; // 0.09; // Angular deflection
+ const double curDeflect = 0.1; //0.01; // Curvature deflection == |p1p2]*sin(p1p2,p1pM)
+ const double angDeflect = 0.1; //0.09; // Angular deflection == sin(p1pM,pMp2)
GCPnts_TangentialDeflection discret(c3dAdaptor, angDeflect, curDeflect);
if ( discret.NbPoints() <= 2 )
{
const double u0 = c3dAdaptor.FirstParameter();
gp_Pnt p; gp_Vec tangent;
- _offPoints.resize( discret.NbPoints() );
- for ( size_t i = 0; i < _offPoints.size(); i++ )
+ if ( discret.NbPoints() >= (int) _eos.size() + 2 )
{
- double u = discret.Parameter( i+1 );
- c3dAdaptor.D1( u, p, tangent );
- _offPoints[i]._xyz = p.XYZ();
- _offPoints[i]._edgeDir = tangent.XYZ();
- _offPoints[i]._param = GCPnts_AbscissaPoint::Length( c3dAdaptor, u0, u ) / _curveLen;
+ _offPoints.resize( discret.NbPoints() );
+ for ( size_t i = 0; i < _offPoints.size(); i++ )
+ {
+ double u = discret.Parameter( i+1 );
+ c3dAdaptor.D1( u, p, tangent );
+ _offPoints[i]._xyz = p.XYZ();
+ _offPoints[i]._edgeDir = tangent.XYZ();
+ _offPoints[i]._param = GCPnts_AbscissaPoint::Length( c3dAdaptor, u0, u ) / _curveLen;
+ }
}
+ else
+ {
+ std::vector< double > params( _eos.size() + 2 );
- _LayerEdge* leOnV[2] = { getLEdgeOnV(0), getLEdgeOnV(1) };
+ params[0] = data.GetHelper().GetNodeU( E, leOnV[0]->_nodes[0] );
+ params.back() = data.GetHelper().GetNodeU( E, leOnV[1]->_nodes[0] );
+ for ( size_t i = 0; i < _eos.size(); i++ )
+ params[i+1] = data.GetHelper().GetNodeU( E, _eos[i]->_nodes[0] );
+
+ if ( params[1] > params[ _eos.size() ] )
+ std::reverse( params.begin() + 1, params.end() - 1 );
+
+ _offPoints.resize( _eos.size() + 2 );
+ for ( size_t i = 0; i < _offPoints.size(); i++ )
+ {
+ const double u = params[i];
+ c3dAdaptor.D1( u, p, tangent );
+ _offPoints[i]._xyz = p.XYZ();
+ _offPoints[i]._edgeDir = tangent.XYZ();
+ _offPoints[i]._param = GCPnts_AbscissaPoint::Length( c3dAdaptor, u0, u ) / _curveLen;
+ }
+ }
// set _2edges
_offPoints [0]._2edges.set( &_leOnV[0], &_leOnV[0], 0.5, 0.5 );
int iLBO = _offPoints.size() - 2; // last but one
- _edgeDir[0] = getEdgeDir( E, leOnV[0]->_nodes[0], data.GetHelper() );
- _edgeDir[1] = getEdgeDir( E, leOnV[1]->_nodes[0], data.GetHelper() );
-
- _leOnV[ 0 ]._normal = getNormalNormal( leOnV[0]->_normal, _edgeDir[0] );
- _leOnV[ 1 ]._normal = getNormalNormal( leOnV[1]->_normal, _edgeDir[1] );
+ if ( leOnV[ 0 ]->Is( _LayerEdge::MULTI_NORMAL ))
+ _leOnV[ 0 ]._normal = getNormalNormal( _eos._edges[1]->_normal, _edgeDir[0] );
+ else
+ _leOnV[ 0 ]._normal = getNormalNormal( leOnV[0]->_normal, _edgeDir[0] );
+ if ( leOnV[ 1 ]->Is( _LayerEdge::MULTI_NORMAL ))
+ _leOnV[ 1 ]._normal = getNormalNormal( _eos._edges.back()->_normal, _edgeDir[1] );
+ else
+ _leOnV[ 1 ]._normal = getNormalNormal( leOnV[1]->_normal, _edgeDir[1] );
_leOnV[ 0 ]._len = 0;
_leOnV[ 1 ]._len = 0;
_leOnV[ 0 ]._lenFactor = _offPoints[1 ]._2edges._edges[1]->_lenFactor;
//================================================================================
/*!
- * \brief set _normal of _leOnV[is2nd] to be normal to the EDGE
+ * \brief return _normal of _leOnV[is2nd] normal to the EDGE
*/
//================================================================================
gp_XYZ norm = edgeDir ^ cross;
double size = norm.Modulus();
+ // if ( size == 0 ) // MULTI_NORMAL _LayerEdge
+ // return gp_XYZ( 1e-100, 1e-100, 1e-100 );
+
return norm / size;
}
}
}
+//================================================================================
+/*!
+ * \brief Find _LayerEdge's located on boundary of a convex FACE whose normal
+ * will be updated at each inflation step
+ */
+//================================================================================
+
+void _ViscousBuilder::findEdgesToUpdateNormalNearConvexFace( _ConvexFace & convFace,
+ _SolidData& data,
+ SMESH_MesherHelper& helper )
+{
+ const TGeomID convFaceID = getMeshDS()->ShapeToIndex( convFace._face );
+ const double preci = BRep_Tool::Tolerance( convFace._face );
+ Handle(ShapeAnalysis_Surface) surface = helper.GetSurface( convFace._face );
+
+ bool edgesToUpdateFound = false;
+
+ map< TGeomID, _EdgesOnShape* >::iterator id2eos = convFace._subIdToEOS.begin();
+ for ( ; id2eos != convFace._subIdToEOS.end(); ++id2eos )
+ {
+ _EdgesOnShape& eos = * id2eos->second;
+ if ( !eos._sWOL.IsNull() ) continue;
+ if ( !eos._hyp.ToSmooth() ) continue;
+ for ( size_t i = 0; i < eos._edges.size(); ++i )
+ {
+ _LayerEdge* ledge = eos._edges[ i ];
+ if ( ledge->Is( _LayerEdge::UPD_NORMAL_CONV )) continue; // already checked
+ if ( ledge->Is( _LayerEdge::MULTI_NORMAL )) continue; // not inflatable
+
+ gp_XYZ tgtPos = ( SMESH_NodeXYZ( ledge->_nodes[0] ) +
+ ledge->_normal * ledge->_lenFactor * ledge->_maxLen );
+
+ // the normal must be updated if distance from tgtPos to surface is less than
+ // target thickness
+
+ // find an initial UV for search of a projection of tgtPos to surface
+ const SMDS_MeshNode* nodeInFace = 0;
+ SMDS_ElemIteratorPtr fIt = ledge->_nodes[0]->GetInverseElementIterator(SMDSAbs_Face);
+ while ( fIt->more() && !nodeInFace )
+ {
+ const SMDS_MeshElement* f = fIt->next();
+ if ( convFaceID != f->getshapeId() ) continue;
+
+ SMDS_ElemIteratorPtr nIt = f->nodesIterator();
+ while ( nIt->more() && !nodeInFace )
+ {
+ const SMDS_MeshElement* n = nIt->next();
+ if ( n->getshapeId() == convFaceID )
+ nodeInFace = static_cast< const SMDS_MeshNode* >( n );
+ }
+ }
+ if ( !nodeInFace )
+ continue;
+ gp_XY uv = helper.GetNodeUV( convFace._face, nodeInFace );
+
+ // projection
+ surface->NextValueOfUV( uv, tgtPos, preci );
+ double dist = surface->Gap();
+ if ( dist < 0.95 * ledge->_maxLen )
+ {
+ ledge->Set( _LayerEdge::UPD_NORMAL_CONV );
+ if ( !ledge->_curvature ) ledge->_curvature = new _Curvature;
+ ledge->_curvature->_uv.SetCoord( uv.X(), uv.Y() );
+ edgesToUpdateFound = true;
+ }
+ }
+ }
+
+ if ( !convFace._isTooCurved && edgesToUpdateFound )
+ {
+ data._convexFaces.insert( make_pair( convFaceID, convFace )).first->second;
+ }
+}
+
//================================================================================
/*!
* \brief Modify normals of _LayerEdge's on EDGE's to avoid intersection with
// compute new _normals
for ( size_t i = 0; i < intEdgesDist.size(); ++i )
{
- _LayerEdge* edge2 = intEdgesDist[i].first;
- double distWgt = edge1->_len / intEdgesDist[i].second;
+ _LayerEdge* edge2 = intEdgesDist[i].first;
+ double distWgt = edge1->_len / intEdgesDist[i].second;
// if ( edge1->Is( _LayerEdge::BLOCKED ) &&
// edge2->Is( _LayerEdge::BLOCKED )) continue;
if ( edge2->Is( _LayerEdge::MARKED )) continue;
e2neIt->second._maxLen = 0.7 * minIntDist / edge1->_lenFactor;
if ( iter > 0 && sgn1 * sgn2 < 0 && edge1->_cosin < 0 )
e2neIt->second._normal += dir2;
+
e2neIt = edge2newEdge.insert( make_pair( edge2, zeroEdge )).first;
e2neIt->second._normal += distWgt * newNormal;
- e2neIt->second._cosin = edge2->_cosin;
+ if ( Precision::IsInfinite( zeroEdge._maxLen ))
+ {
+ e2neIt->second._cosin = edge2->_cosin;
+ e2neIt->second._maxLen = 1.3 * minIntDist / edge1->_lenFactor;
+ }
if ( iter > 0 && sgn1 * sgn2 < 0 && edge2->_cosin < 0 )
e2neIt->second._normal += dir1;
}
else // edge inflates along a FACE
{
TopoDS_Shape V = helper.GetSubShapeByNode( edge->_nodes[0], getMeshDS() );
- PShapeIteratorPtr eIt = helper.GetAncestors( V, *_mesh, TopAbs_EDGE );
+ PShapeIteratorPtr eIt = helper.GetAncestors( V, *_mesh, TopAbs_EDGE, &eos->_sWOL );
while ( const TopoDS_Shape* E = eIt->next() )
{
- if ( !helper.IsSubShape( *E, /*FACE=*/eos->_sWOL ))
- continue;
gp_Vec edgeDir = getEdgeDir( TopoDS::Edge( *E ), TopoDS::Vertex( V ));
double angle = edgeDir.Angle( newEdge._normal ); // [0,PI]
if ( angle < M_PI / 2 )
for ( ; id2face != data._convexFaces.end(); ++id2face )
{
_ConvexFace & convFace = (*id2face).second;
+ convFace._normalsFixedOnBorders = false; // to update at each inflation step
+
if ( convFace._normalsFixed )
continue; // already fixed
if ( convFace.CheckPrisms() )
return true;
}
+//================================================================================
+/*!
+ * \brief Return max curvature of a FACE
+ */
+//================================================================================
+
+double _ConvexFace::GetMaxCurvature( _SolidData& data,
+ _EdgesOnShape& eof,
+ BRepLProp_SLProps& surfProp,
+ SMESH_MesherHelper& helper)
+{
+ double maxCurvature = 0;
+
+ TopoDS_Face F = TopoDS::Face( eof._shape );
+
+ const int nbTestPnt = 5;
+ const double oriFactor = ( F.Orientation() == TopAbs_REVERSED ? +1. : -1. );
+ SMESH_subMeshIteratorPtr smIt = eof._subMesh->getDependsOnIterator(/*includeSelf=*/true);
+ while ( smIt->more() )
+ {
+ SMESH_subMesh* sm = smIt->next();
+ const TGeomID subID = sm->GetId();
+
+ // find _LayerEdge's of a sub-shape
+ _EdgesOnShape* eos;
+ if (( eos = data.GetShapeEdges( subID )))
+ this->_subIdToEOS.insert( make_pair( subID, eos ));
+ else
+ continue;
+
+ // check concavity and curvature and limit data._stepSize
+ const double minCurvature =
+ 1. / ( eos->_hyp.GetTotalThickness() * ( 1 + theThickToIntersection ));
+ size_t iStep = Max( 1, eos->_edges.size() / nbTestPnt );
+ for ( size_t i = 0; i < eos->_edges.size(); i += iStep )
+ {
+ gp_XY uv = helper.GetNodeUV( F, eos->_edges[ i ]->_nodes[0] );
+ surfProp.SetParameters( uv.X(), uv.Y() );
+ if ( surfProp.IsCurvatureDefined() )
+ {
+ double curvature = Max( surfProp.MaxCurvature() * oriFactor,
+ surfProp.MinCurvature() * oriFactor );
+ maxCurvature = Max( maxCurvature, curvature );
+
+ if ( curvature > minCurvature )
+ this->_isTooCurved = true;
+ }
+ }
+ } // loop on sub-shapes of the FACE
+
+ return maxCurvature;
+}
+
//================================================================================
/*!
* \brief Finds a center of curvature of a surface at a _LayerEdge
//================================================================================
/*!
- * \brief Return the last position of the target node on a FACE.
+ * \brief Return the last (or \a which) position of the target node on a FACE.
* \param [in] F - the FACE this _LayerEdge is inflated along
+ * \param [in] which - index of position
* \return gp_XY - result UV
*/
//================================================================================
-gp_XY _LayerEdge::LastUV( const TopoDS_Face& F, _EdgesOnShape& eos ) const
+gp_XY _LayerEdge::LastUV( const TopoDS_Face& F, _EdgesOnShape& eos, int which ) const
{
if ( F.IsSame( eos._sWOL )) // F is my FACE
return gp_XY( _pos.back().X(), _pos.back().Y() );
return gp_XY( 1e100, 1e100 );
// _sWOL is EDGE of F; _pos.back().X() is the last U on the EDGE
- double f, l, u = _pos.back().X();
+ double f, l, u = _pos[ which < 0 ? _pos.size()-1 : which ].X();
Handle(Geom2d_Curve) C2d = BRep_Tool::CurveOnSurface( TopoDS::Edge(eos._sWOL), F, f,l);
if ( !C2d.IsNull() && f <= u && u <= l )
return C2d->Value( u ).XY();
* \param [in] eov - EOS of the VERTEX
* \param [in] eos - EOS of the FACE
* \param [in] step - inflation step
- * \param [in,out] badSmooEdges - not untangled _LayerEdge's
+ * \param [in,out] badSmooEdges - tangled _LayerEdge's
*/
//================================================================================
{
gp_XYZ newPos(0,0,0);
- // get a plane to seach a solution on
+ // get a plane to search a solution on
vector< gp_XYZ > vecs( _simplices.size() + 1 );
size_t i;
{ ////////////////////////////////// NEW
gp_XYZ newPos(0,0,0);
- // get a plane to seach a solution on
+ // get a plane to search a solution on
size_t i;
gp_XYZ center(0,0,0);
//if ( Is( BLOCKED )) return;
Set( BLOCKED );
+ SMESH_Comment msg( "#BLOCK shape=");
+ msg << data.GetShapeEdges( this )->_shapeID
+ << ", nodes " << _nodes[0]->GetID() << ", " << _nodes.back()->GetID();
+ dumpCmd( msg + " -- BEGIN")
+
_maxLen = _len;
std::queue<_LayerEdge*> queue;
queue.push( this );
minDist = Min( pSrc.SquareDistance( pTgtN ), minDist );
minDist = Min( pTgt.SquareDistance( pSrcN ), minDist );
double newMaxLen = edge->_maxLen + 0.5 * Sqrt( minDist );
- if ( edge->_nodes[0]->getshapeId() == neibor->_nodes[0]->getshapeId() )
+ //if ( edge->_nodes[0]->getshapeId() == neibor->_nodes[0]->getshapeId() ) viscous_layers_00/A3
{
newMaxLen *= edge->_lenFactor / neibor->_lenFactor;
+ // newMaxLen *= Min( edge->_lenFactor / neibor->_lenFactor,
+ // neibor->_lenFactor / edge->_lenFactor );
}
if ( neibor->_maxLen > newMaxLen )
{
}
}
}
+ dumpCmd( msg + " -- END")
}
//================================================================================
//================================================================================
/*!
- * \brief Create layers of prisms
+ * \brief Print flags
*/
//================================================================================
+std::string _LayerEdge::DumpFlags() const
+{
+ SMESH_Comment dump;
+ for ( int flag = 1; flag < 0x1000000; flag *= 2 )
+ if ( _flags & flag )
+ {
+ EFlags f = (EFlags) flag;
+ switch ( f ) {
+ case TO_SMOOTH: dump << "TO_SMOOTH"; break;
+ case MOVED: dump << "MOVED"; break;
+ case SMOOTHED: dump << "SMOOTHED"; break;
+ case DIFFICULT: dump << "DIFFICULT"; break;
+ case ON_CONCAVE_FACE: dump << "ON_CONCAVE_FACE"; break;
+ case BLOCKED: dump << "BLOCKED"; break;
+ case INTERSECTED: dump << "INTERSECTED"; break;
+ case NORMAL_UPDATED: dump << "NORMAL_UPDATED"; break;
+ case UPD_NORMAL_CONV: dump << "UPD_NORMAL_CONV"; break;
+ case MARKED: dump << "MARKED"; break;
+ case MULTI_NORMAL: dump << "MULTI_NORMAL"; break;
+ case NEAR_BOUNDARY: dump << "NEAR_BOUNDARY"; break;
+ case SMOOTHED_C1: dump << "SMOOTHED_C1"; break;
+ case DISTORTED: dump << "DISTORTED"; break;
+ case RISKY_SWOL: dump << "RISKY_SWOL"; break;
+ case SHRUNK: dump << "SHRUNK"; break;
+ case UNUSED_FLAG: dump << "UNUSED_FLAG"; break;
+ }
+ dump << " ";
+ }
+ cout << dump << endl;
+ return dump;
+}
+
+//================================================================================
+/*!
+ case brief:
+ default:
+*/
+//================================================================================
+
bool _ViscousBuilder::refine(_SolidData& data)
{
SMESH_MesherHelper& helper = data.GetHelper();
double f,l, u = 0;
gp_XY uv;
vector< gp_XYZ > pos3D;
- bool isOnEdge;
+ bool isOnEdge, isTooConvexFace = false;
TGeomID prevBaseId = -1;
TNode2Edge* n2eMap = 0;
TNode2Edge::iterator n2e;
for ( size_t j = 0; j < eos._eosC1[i]->_edges.size(); ++j )
eos._eosC1[i]->_edges[j]->Set( _LayerEdge::SMOOTHED_C1 );
}
+ isTooConvexFace = false;
+ if ( _ConvexFace* cf = data.GetConvexFace( eos._shapeID ))
+ isTooConvexFace = cf->_isTooCurved;
}
vector< double > segLen;
if ( eos._sWOL.IsNull() )
{
bool useNormal = true;
- bool usePos = false;
- bool smoothed = false;
+ bool usePos = false;
+ bool smoothed = false;
double preci = 0.1 * edge._len;
if ( eos._toSmooth && edge._pos.size() > 2 )
{
}
if ( smoothed )
{
- if ( !surface.IsNull() &&
- !data._convexFaces.count( eos._shapeID )) // edge smoothed on FACE
+ if ( !surface.IsNull() && !isTooConvexFace ) // edge smoothed on FACE
{
useNormal = usePos = false;
gp_Pnt2d uv = helper.GetNodeUV( geomFace, edge._nodes[0] );
}
else if ( eos._isRegularSWOL ) // usual SWOL
{
- for ( size_t j = 1; j < edge._pos.size(); ++j )
- segLen[j] = segLen[j-1] + (edge._pos[j-1] - edge._pos[j] ).Modulus();
+ if ( edge.Is( _LayerEdge::SMOOTHED ))
+ {
+ SMESH_NodeXYZ p0( edge._nodes[0] );
+ for ( size_t j = 1; j < edge._pos.size(); ++j )
+ {
+ gp_XYZ pj = surface->Value( edge._pos[j].X(), edge._pos[j].Y() ).XYZ();
+ segLen[j] = ( pj - p0 ) * edge._normal;
+ }
+ }
+ else
+ {
+ for ( size_t j = 1; j < edge._pos.size(); ++j )
+ segLen[j] = segLen[j-1] + (edge._pos[j-1] - edge._pos[j] ).Modulus();
+ }
}
else if ( !surface.IsNull() ) // SWOL surface with singularities
{
set< vector<const SMDS_MeshNode*>* > nnSet;
set< int > degenEdgeInd;
vector<const SMDS_MeshElement*> degenVols;
- vector<int> isRiskySWOL;
TopExp_Explorer exp( data._solid, TopAbs_FACE );
for ( ; exp.More(); exp.Next() )
nnVec.resize( nbNodes );
nnSet.clear();
degenEdgeInd.clear();
- isRiskySWOL.resize( nbNodes );
size_t maxZ = 0, minZ = std::numeric_limits<size_t>::max();
SMDS_NodeIteratorPtr nIt = face->nodeIterator();
for ( int iN = 0; iN < nbNodes; ++iN )
nnVec[ i ] = & edge->_nodes;
maxZ = std::max( maxZ, nnVec[ i ]->size() );
minZ = std::min( minZ, nnVec[ i ]->size() );
- //isRiskySWOL[ i ] = edge->Is( _LayerEdge::RISKY_SWOL );
if ( helper.HasDegeneratedEdges() )
nnSet.insert( nnVec[ i ]);
if ( !err || err->IsOK() )
{
err.reset( new SMESH_ComputeError( COMPERR_WARNING,
- "Degenerated volumes created" ));
+ "Bad quality volumes created" ));
err->myBadElements.insert( err->myBadElements.end(),
degenVols.begin(),degenVols.end() );
}
continue;
_SolidData& data = *dataList.front();
+ _SolidData* data2 = dataList.size() > 1 ? dataList.back() : 0;
const TopoDS_Face& F = TopoDS::Face( getMeshDS()->IndexToShape( f2sd->first ));
SMESH_subMesh* sm = _mesh->GetSubMesh( F );
SMESHDS_SubMesh* smDS = sm->GetSubMeshDS();
// Prepare data for shrinking
// ===========================
- // Collect nodes to smooth, they are marked at the beginning of this method
+ // Collect nodes to smooth (they are marked at the beginning of this method)
vector < const SMDS_MeshNode* > smoothNodes;
{
SMDS_NodeIteratorPtr nIt = smDS->GetNodes();
if ( data._noShrinkShapes.count( subID ))
continue;
_EdgesOnShape* eos = data.GetShapeEdges( subID );
- if ( !eos || eos->_sWOL.IsNull() ) continue;
-
+ if ( !eos || eos->_sWOL.IsNull() )
+ if ( data2 ) // check in adjacent SOLID
+ {
+ eos = data2->GetShapeEdges( subID );
+ if ( !eos || eos->_sWOL.IsNull() )
+ continue;
+ }
subEOS.push_back( eos );
for ( size_t i = 0; i < eos->_edges.size(); ++i )
{
const SMDS_MeshNode* n = smoothNodes[i];
nodesToSmooth[ i ]._node = n;
- // src nodes must be replaced by tgt nodes to have tgt nodes in _simplices
+ // src nodes must be already replaced by tgt nodes to have tgt nodes in _simplices
_Simplex::GetSimplices( n, nodesToSmooth[ i ]._simplices, ignoreShapes, 0, sortSimplices);
// fix up incorrect uv of nodes on the FACE
helper.GetNodeUV( F, n, 0, &isOkUV);
{
_LayerEdge* edge = subEOS[iS]->_edges[i];
SMDS_MeshNode* tgtNode = const_cast< SMDS_MeshNode*& >( edge->_nodes.back() );
- if ( edge->_pos.empty() ) continue;
+ if ( edge->_pos.empty() ||
+ edge->Is( _LayerEdge::SHRUNK )) continue;
if ( subEOS[iS]->SWOLType() == TopAbs_FACE )
{
SMDS_FacePosition* pos = static_cast<SMDS_FacePosition*>( tgtNode->GetPosition() );
// Set an event listener to clear FACE sub-mesh together with SOLID sub-mesh
VISCOUS_3D::ToClearSubWithMain( sm, data._solid );
+ if ( data2 )
+ VISCOUS_3D::ToClearSubWithMain( sm, data2->_solid );
} // loop on FACES to srink mesh on
double uSrc = helper.GetNodeU( E, srcNode, n2 );
double uTgt = helper.GetNodeU( E, tgtNode, srcNode );
- double u2 = helper.GetNodeU( E, n2, srcNode );
+ double u2 = helper.GetNodeU( E, n2, srcNode );
//edge._pos.clear();
_done = false;
}
// check _LayerEdge
- if ( e == _edges[0] || e == _edges[1] )
+ if ( e == _edges[0] || e == _edges[1] || e->_nodes.size() < 2 )
return;
if ( eos.SWOLType() != TopAbs_EDGE )
throw SALOME_Exception(LOCALIZED("Wrong _LayerEdge is added"));
while ( nIt->more() )
{
const SMDS_MeshNode* node = nIt->next();
+
+ // skip refinement nodes
if ( node->NbInverseElements(SMDSAbs_Edge) == 0 ||
node == tgtNode0 || node == tgtNode1 )
- continue; // refinement nodes
+ continue;
+ bool hasMarkedFace = false;
+ SMDS_ElemIteratorPtr fIt = node->GetInverseElementIterator(SMDSAbs_Face);
+ while ( fIt->more() && !hasMarkedFace )
+ hasMarkedFace = fIt->next()->isMarked();
+ if ( !hasMarkedFace )
+ continue;
+
_nodes.push_back( node );
_initU.push_back( helper.GetNodeU( _geomEdge, node ));
double len = GCPnts_AbscissaPoint::Length(aCurve, f, _initU.back());
for ( size_t i = 0; i < _nodes.size(); ++i )
{
if ( !_nodes[i] ) continue;
- if ( _initU[i] < f || l < _initU[i] ) continue;
double len = totLen * _normPar[i];
GCPnts_AbscissaPoint discret( aCurve, len, f );
if ( !discret.IsDone() )
for ( size_t i = 0; i < _nodes.size(); ++i )
{
if ( !_nodes[i] ) continue;
- if ( _initU[i] < f || l < _initU[i] ) continue;
double u = f * ( 1-_normPar[i] ) + l * _normPar[i];
SMDS_EdgePosition* pos = static_cast<SMDS_EdgePosition*>( _nodes[i]->GetPosition() );
pos->SetUParameter( u );
for ( int iE = 1; iE <= geomEdges.Extent(); ++iE )
{
const TopoDS_Edge& E = TopoDS::Edge( geomEdges(iE));
- if ( data._noShrinkShapes.count( getMeshDS()->ShapeToIndex( E )))
+ const TGeomID edgeID = getMeshDS()->ShapeToIndex( E );
+ if ( data._noShrinkShapes.count( edgeID ))
continue;
// Get _LayerEdge's based on E
// Find out orientation and type of face to create
bool reverse = false, isOnFace;
-
- map< TGeomID, TopoDS_Shape >::iterator e2f =
- data._shrinkShape2Shape.find( getMeshDS()->ShapeToIndex( E ));
TopoDS_Shape F;
+
+ map< TGeomID, TopoDS_Shape >::iterator e2f = data._shrinkShape2Shape.find( edgeID );
if (( isOnFace = ( e2f != data._shrinkShape2Shape.end() )))
{
F = e2f->second.Oriented( TopAbs_FORWARD );
if ( helper.IsReversedSubMesh( TopoDS::Face(F) ))
reverse = !reverse;
}
- else
+ else if ( !data._ignoreFaceIds.count( e2f->first ))
{
// find FACE with layers sharing E
- PShapeIteratorPtr fIt = helper.GetAncestors( E, *_mesh, TopAbs_FACE );
- while ( fIt->more() && F.IsNull() )
- {
- const TopoDS_Shape* pF = fIt->next();
- if ( helper.IsSubShape( *pF, data._solid) &&
- !data._ignoreFaceIds.count( e2f->first ))
- F = *pF;
- }
+ PShapeIteratorPtr fIt = helper.GetAncestors( E, *_mesh, TopAbs_FACE, &data._solid );
+ if ( fIt->more() )
+ F = *( fIt->next() );
}
// Find the sub-mesh to add new faces
SMESHDS_SubMesh* sm = 0;
if ( !sm )
return error("error in addBoundaryElements()", data._index);
+ // Find a proxy sub-mesh of the FACE of an adjacent SOLID, which will use the new boundary
+ // faces for 3D meshing (PAL23414)
+ SMESHDS_SubMesh* adjSM = 0;
+ if ( isOnFace )
+ {
+ const TGeomID faceID = sm->GetID();
+ PShapeIteratorPtr soIt = helper.GetAncestors( F, *_mesh, TopAbs_SOLID );
+ while ( const TopoDS_Shape* solid = soIt->next() )
+ if ( !solid->IsSame( data._solid ))
+ {
+ size_t iData = _solids.FindIndex( *solid ) - 1;
+ if ( iData < _sdVec.size() &&
+ _sdVec[ iData ]._ignoreFaceIds.count( faceID ) &&
+ _sdVec[ iData ]._shrinkShape2Shape.count( edgeID ) == 0 )
+ {
+ SMESH_ProxyMesh::SubMesh* proxySub =
+ _sdVec[ iData ]._proxyMesh->getFaceSubM( TopoDS::Face( F ), /*create=*/false);
+ if ( proxySub && proxySub->NbElements() > 0 )
+ adjSM = proxySub;
+ }
+ }
+ }
+
// Make faces
const int dj1 = reverse ? 0 : 1;
const int dj2 = reverse ? 1 : 0;
+ vector< const SMDS_MeshElement*> ff; // new faces row
+ SMESHDS_Mesh* m = getMeshDS();
for ( size_t j = 1; j < ledges.size(); ++j )
{
vector< const SMDS_MeshNode*>& nn1 = ledges[j-dj1]->_nodes;
vector< const SMDS_MeshNode*>& nn2 = ledges[j-dj2]->_nodes;
+ ff.resize( std::max( nn1.size(), nn2.size() ), NULL );
if ( nn1.size() == nn2.size() )
{
if ( isOnFace )
for ( size_t z = 1; z < nn1.size(); ++z )
- sm->AddElement( getMeshDS()->AddFace( nn1[z-1], nn2[z-1], nn2[z], nn1[z] ));
+ sm->AddElement( ff[z-1] = m->AddFace( nn1[z-1], nn2[z-1], nn2[z], nn1[z] ));
else
for ( size_t z = 1; z < nn1.size(); ++z )
sm->AddElement( new SMDS_FaceOfNodes( nn1[z-1], nn2[z-1], nn2[z], nn1[z] ));
{
if ( isOnFace )
for ( size_t z = 1; z < nn2.size(); ++z )
- sm->AddElement( getMeshDS()->AddFace( nn1[0], nn2[z-1], nn2[z] ));
+ sm->AddElement( ff[z-1] = m->AddFace( nn1[0], nn2[z-1], nn2[z] ));
else
for ( size_t z = 1; z < nn2.size(); ++z )
sm->AddElement( new SMDS_FaceOfNodes( nn1[0], nn2[z-1], nn2[z] ));
{
if ( isOnFace )
for ( size_t z = 1; z < nn1.size(); ++z )
- sm->AddElement( getMeshDS()->AddFace( nn1[z-1], nn2[0], nn1[z] ));
+ sm->AddElement( ff[z-1] = m->AddFace( nn1[z-1], nn2[0], nn1[z] ));
else
for ( size_t z = 1; z < nn1.size(); ++z )
sm->AddElement( new SMDS_FaceOfNodes( nn1[z-1], nn2[0], nn2[z] ));
}
+
+ if ( adjSM ) // add faces to a proxy SM of the adjacent SOLID
+ {
+ for ( size_t z = 0; z < ff.size(); ++z )
+ if ( ff[ z ])
+ adjSM->AddElement( ff[ z ]);
+ ff.clear();
+ }
}
// Make edges
if ( eos && eos->SWOLType() == TopAbs_EDGE )
{
vector< const SMDS_MeshNode*>& nn = edge->_nodes;
- if ( nn.size() < 2 || nn[1]->GetInverseElementIterator( SMDSAbs_Edge )->more() )
+ if ( nn.size() < 2 || nn[1]->NbInverseElements( SMDSAbs_Edge ) >= 2 )
continue;
helper.SetSubShape( eos->_sWOL );
helper.SetElementsOnShape( true );
