#include "SMDS_FaceOfNodes.hxx"
#include "SMDS_FacePosition.hxx"
#include "SMDS_MeshNode.hxx"
+#include "SMDS_PolygonalFaceOfNodes.hxx"
#include "SMDS_SetIterator.hxx"
#include "SMESHDS_Group.hxx"
#include "SMESHDS_Hypothesis.hxx"
#include <list>
#include <queue>
#include <string>
+#include <unordered_map>
#ifdef _DEBUG_
//#define __myDEBUG
enum UIndex { U_TGT = 1, U_SRC, LEN_TGT };
const double theMinSmoothCosin = 0.1;
- const double theSmoothThickToElemSizeRatio = 0.3;
+ const double theSmoothThickToElemSizeRatio = 0.6;
const double theMinSmoothTriaAngle = 30;
const double theMinSmoothQuadAngle = 45;
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 // to add use flags after
+ 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; }
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; }
+ bool IsOnFace() const { return ( _nodes[0]->GetPosition()->GetDim() == 2 ); }
+ int BaseShapeDim() const { return _nodes[0]->GetPosition()->GetDim(); }
gp_XYZ Copy( _LayerEdge& other, _EdgesOnShape& eos, SMESH_MesherHelper& helper );
void SetCosin( double cosin );
void SetNormal( const gp_XYZ& n ) { _normal = n; }
+ void SetMaxLen( double l ) { _maxLen = l; }
int NbSteps() const { return _pos.size() - 1; } // nb inlation steps
bool IsNeiborOnEdge( const _LayerEdge* edge ) const;
void SetSmooLen( double len ) { // set _len at which smoothing is needed
vector< _EdgesOnShape* > _eosConcaVer; // edges at concave VERTEXes of a FACE
vector< _EdgesOnShape* > _eosC1; // to smooth together several C1 continues shapes
- vector< gp_XYZ > _faceNormals; // if _shape is FACE
+ typedef std::unordered_map< const SMDS_MeshElement*, gp_XYZ > TFace2NormMap;
+ TFace2NormMap _faceNormals; // if _shape is FACE
vector< _EdgesOnShape* > _faceEOS; // to get _faceNormals of adjacent FACEs
Handle(ShapeAnalysis_Surface) _offsetSurf;
_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,
// Convex FACEs whose radius of curvature is less than the thickness of layers
map< TGeomID, _ConvexFace > _convexFaces;
- // shapes (EDGEs and VERTEXes) srink from which is forbidden due to collisions with
+ // shapes (EDGEs and VERTEXes) shrink from which is forbidden due to collisions with
// the adjacent SOLID
set< TGeomID > _noShrinkShapes;
int _nbShapesToSmooth;
- //map< TGeomID,Handle(Geom_Curve)> _edge2curve;
-
vector< _CollisionEdges > _collisionEdges;
set< TGeomID > _concaveFaces;
void Append( const gp_Pnt& center, _LayerEdge* ledge )
{
+ if ( ledge->Is( _LayerEdge::MULTI_NORMAL ))
+ return;
if ( _curvaCenters.size() > 0 )
_segLength2.push_back( center.SquareDistance( _curvaCenters.back() ));
_curvaCenters.push_back( center );
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,
- SMESH_MesherHelper& helper );
+ const bool isSmoothable );
bool updateNormals( _SolidData& data, SMESH_MesherHelper& helper, int stepNb, double stepSize );
bool updateNormalsOfConvexFaces( _SolidData& data,
SMESH_MesherHelper& helper,
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 ];
}
bool isAnalytic() const { return !_anaCurve.IsNull(); }
+
+ void offPointsToPython() const; // debug
};
//--------------------------------------------------------------------------------
/*!
* \brief Class of temporary mesh face.
* We can't use SMDS_FaceOfNodes since it's impossible to set it's ID which is
- * needed because SMESH_ElementSearcher internaly uses set of elements sorted by ID
+ * needed because SMESH_ElementSearcher internally uses set of elements sorted by ID
*/
- struct _TmpMeshFace : public SMDS_MeshElement
+ struct _TmpMeshFace : public SMDS_PolygonalFaceOfNodes
{
- vector<const SMDS_MeshNode* > _nn;
+ const SMDS_MeshElement* _srcFace;
+
_TmpMeshFace( const vector<const SMDS_MeshNode*>& nodes,
- int id, int faceID=-1, int idInFace=-1):
- SMDS_MeshElement(id), _nn(nodes) { setShapeId(faceID); setIdInShape(idInFace); }
- virtual const SMDS_MeshNode* GetNode(const int ind) const { return _nn[ind]; }
- virtual SMDSAbs_ElementType GetType() const { return SMDSAbs_Face; }
- virtual vtkIdType GetVtkType() const { return -1; }
- virtual SMDSAbs_EntityType GetEntityType() const { return SMDSEntity_Last; }
- virtual SMDSAbs_GeometryType GetGeomType() const
- { return _nn.size() == 3 ? SMDSGeom_TRIANGLE : SMDSGeom_QUADRANGLE; }
- virtual SMDS_ElemIteratorPtr elementsIterator(SMDSAbs_ElementType) const
- { return SMDS_ElemIteratorPtr( new SMDS_NodeVectorElemIterator( _nn.begin(), _nn.end()));}
+ int ID,
+ int faceID=-1,
+ const SMDS_MeshElement* srcFace=0 ):
+ SMDS_PolygonalFaceOfNodes(nodes), _srcFace( srcFace ) { setID( ID ); setShapeID( faceID ); }
+ virtual SMDSAbs_EntityType GetEntityType() const
+ { return _srcFace ? _srcFace->GetEntityType() : SMDSEntity_Quadrangle; }
+ virtual SMDSAbs_GeometryType GetGeomType() const
+ { return _srcFace ? _srcFace->GetGeomType() : SMDSGeom_QUADRANGLE; }
};
//--------------------------------------------------------------------------------
/*!
- * \brief Class of temporary mesh face storing _LayerEdge it's based on
+ * \brief Class of temporary mesh quadrangle face storing _LayerEdge it's based on
*/
struct _TmpMeshFaceOnEdge : public _TmpMeshFace
{
_TmpMeshFaceOnEdge( _LayerEdge* le1, _LayerEdge* le2, int ID ):
_TmpMeshFace( vector<const SMDS_MeshNode*>(4), ID ), _le1(le1), _le2(le2)
{
- _nn[0]=_le1->_nodes[0];
- _nn[1]=_le1->_nodes.back();
- _nn[2]=_le2->_nodes.back();
- _nn[3]=_le2->_nodes[0];
+ myNodes[0]=_le1->_nodes[0];
+ myNodes[1]=_le1->_nodes.back();
+ myNodes[2]=_le2->_nodes.back();
+ myNodes[3]=_le2->_nodes[0];
+ }
+ const SMDS_MeshNode* n( size_t i ) const
+ {
+ return myNodes[ i ];
}
gp_XYZ GetDir() const // return average direction of _LayerEdge's, normal to EDGE
{
- SMESH_TNodeXYZ p0s( _nn[0] );
- SMESH_TNodeXYZ p0t( _nn[1] );
- SMESH_TNodeXYZ p1t( _nn[2] );
- SMESH_TNodeXYZ p1s( _nn[3] );
+ SMESH_TNodeXYZ p0s( myNodes[0] );
+ SMESH_TNodeXYZ p0t( myNodes[1] );
+ SMESH_TNodeXYZ p1t( myNodes[2] );
+ SMESH_TNodeXYZ p1s( myNodes[3] );
gp_XYZ v0 = p0t - p0s;
gp_XYZ v1 = p1t - p1s;
gp_XYZ v01 = p1s - p0s;
}
gp_XYZ GetDir(_LayerEdge* le1, _LayerEdge* le2) // return average direction of _LayerEdge's
{
- _nn[0]=le1->_nodes[0];
- _nn[1]=le1->_nodes.back();
- _nn[2]=le2->_nodes.back();
- _nn[3]=le2->_nodes[0];
+ myNodes[0]=le1->_nodes[0];
+ myNodes[1]=le1->_nodes.back();
+ myNodes[2]=le2->_nodes.back();
+ myNodes[3]=le2->_nodes[0];
return GetDir();
}
};
//================================================================================
// StdMeshers_ViscousLayers hypothesis
//
-StdMeshers_ViscousLayers::StdMeshers_ViscousLayers(int hypId, int studyId, SMESH_Gen* gen)
- :SMESH_Hypothesis(hypId, studyId, gen),
+StdMeshers_ViscousLayers::StdMeshers_ViscousLayers(int hypId, SMESH_Gen* gen)
+ :SMESH_Hypothesis(hypId, gen),
_isToIgnoreShapes(1), _nbLayers(1), _thickness(1), _stretchFactor(1),
_method( SURF_OFFSET_SMOOTH )
{
// look for two neighbor not in-FACE nodes of face
for ( int i = 0; i < 2; ++i )
{
- if ( nNext[i]->GetPosition()->GetDim() != 2 &&
- nNext[i]->GetID() < nodeOnEdge->GetID() )
+ if (( nNext[i]->GetPosition()->GetDim() != 2 ) &&
+ ( nodeOnEdge->GetPosition()->GetDim() == 0 || nNext[i]->GetID() < nodeOnEdge->GetID() ))
{
// look for an in-FACE node
for ( int iN = 0; iN < nbN; ++iN )
// 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
- << "meshSO = smesh.GetCurrentStudy().FindObjectID('0:1:2:" << tag <<"')" << endl
+ << "smesh = smeshBuilder.New()" << endl
+ << "meshSO = salome.myStudy.FindObjectID('0:1:2:" << tag <<"')" << endl
<< "mesh = smesh.Mesh( meshSO.GetObject() )"<<endl;
theNbPyFunc = 0;
}
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;
for ( TopoDS_Iterator vIt( edge ); vIt.More(); vIt.Next() )
{
TGeomID vID = getMeshDS()->ShapeToIndex( vIt.Value() );
- bool noShrinkV = false;
+ bool noShrinkV = false, noShrinkIfAdjMeshed = false;
if ( iSolid < _sdVec.size() )
{
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 );
+ noShrinkV = (( isStructured ) ||
+ ( noShrinkIfAdjMeshed = i2S->second.ShapeType() == TopAbs_EDGE ));
else
noShrinkV = ( ! i2S->second.IsSame( i2SAdj->second ));
}
else
{
// the adjacent SOLID has NO layers at all
- noShrinkV = ( isStructured ||
- _sdVec[i]._shrinkShape2Shape[ vID ].ShapeType() == TopAbs_EDGE );
+ if ( isStructured )
+ {
+ noShrinkV = true;
+ }
+ else
+ {
+ noShrinkV = noShrinkIfAdjMeshed =
+ ( _sdVec[i]._shrinkShape2Shape[ vID ].ShapeType() == TopAbs_EDGE );
+ }
+ }
+
+ if ( noShrinkV && noShrinkIfAdjMeshed )
+ {
+ // noShrinkV if FACEs in the adjacent SOLID are meshed
+ PShapeIteratorPtr fIt = helper.GetAncestors( _sdVec[i]._shrinkShape2Shape[ vID ],
+ *_mesh, TopAbs_FACE, &solid );
+ while ( fIt->more() )
+ {
+ const TopoDS_Shape* f = fIt->next();
+ if ( !f->IsSame( fWOL ))
+ {
+ noShrinkV = ! _mesh->GetSubMesh( *f )->IsEmpty();
+ break;
+ }
+ }
}
if ( noShrinkV )
_sdVec[i]._noShrinkShapes.insert( vID );
// create a temporary face
const SMDS_MeshElement* newFace =
- new _TmpMeshFace( newNodes, --_tmpFaceID, face->getshapeId(), face->getIdInShape() );
+ new _TmpMeshFace( newNodes, --_tmpFaceID, face->GetShapeID(), face );
proxySub->AddElement( newFace );
// compute inflation step size by min size of element on a convex surface
{
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->SetMaxLen( Min( ledge->_maxLen, 1. / curvature ));
+ }
}
}
continue;
for ( size_t j = 0; j < ledge->_simplices.size(); ++j )
if ( ledge->_simplices[j]._nNext->GetPosition()->GetDim() < 2 )
{
- convFace._simplexTestEdges.push_back( ledge );
+ // do not select _LayerEdge's neighboring sharp EDGEs
+ bool sharpNbr = false;
+ for ( size_t iN = 0; iN < ledge->_neibors.size() && !sharpNbr; ++iN )
+ sharpNbr = ( ledge->_neibors[iN]->_cosin > theMinSmoothCosin );
+ if ( !sharpNbr )
+ convFace._simplexTestEdges.push_back( ledge );
break;
}
}
// 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;
-
SMESH_MesherHelper helper( *_mesh );
bool ok = true;
continue;
double tgtThick = eos._hyp.GetTotalThickness();
- TopExp_Explorer eExp( edgesByGeom[iS]._shape, TopAbs_EDGE );
- for ( ; eExp.More() && !eos._toSmooth; eExp.Next() )
+ SMESH_subMeshIteratorPtr subIt = eos._subMesh->getDependsOnIterator(/*includeSelf=*/false );
+ while ( subIt->more() && !eos._toSmooth )
{
- TGeomID iE = getMeshDS()->ShapeToIndex( eExp.Current() );
- vector<_LayerEdge*>& eE = edgesByGeom[ iE ]._edges;
- if ( eE.empty() ) continue;
+ TGeomID iSub = subIt->next()->GetId();
+ const vector<_LayerEdge*>& eSub = edgesByGeom[ iSub ]._edges;
+ if ( eSub.empty() ) continue;
double faceSize;
- for ( size_t i = 0; i < eE.size() && !eos._toSmooth; ++i )
- if ( eE[i]->_cosin > theMinSmoothCosin )
+ for ( size_t i = 0; i < eSub.size() && !eos._toSmooth; ++i )
+ if ( eSub[i]->_cosin > theMinSmoothCosin )
{
- SMDS_ElemIteratorPtr fIt = eE[i]->_nodes[0]->GetInverseElementIterator(SMDSAbs_Face);
+ SMDS_ElemIteratorPtr fIt = eSub[i]->_nodes[0]->GetInverseElementIterator(SMDSAbs_Face);
while ( fIt->more() && !eos._toSmooth )
{
const SMDS_MeshElement* face = fIt->next();
if ( face->getshapeId() == eos._shapeID &&
- getDistFromEdge( face, eE[i]->_nodes[0], faceSize ))
+ getDistFromEdge( face, eSub[i]->_nodes[0], faceSize ))
{
- eos._toSmooth = needSmoothing( eE[i]->_cosin, tgtThick, faceSize );
+ eos._toSmooth = needSmoothing( eSub[i]->_cosin,
+ tgtThick * eSub[i]->_lenFactor,
+ faceSize);
}
}
}
}
if ( eos._toSmooth )
{
- for ( eExp.ReInit(); eExp.More(); eExp.Next() )
+ for ( TopExp_Explorer eExp( edgesByGeom[iS]._shape, TopAbs_EDGE ); eExp.More(); eExp.Next() )
edgesOfSmooFaces.Add( eExp.Current() );
data.PrepareEdgesToSmoothOnFace( &edgesByGeom[iS], /*substituteSrcNodes=*/false );
if ( endSeg->getshapeId() == (int) iS )
{
double segLen =
- SMESH_TNodeXYZ( endSeg->GetNode(0) ).Distance( endSeg->GetNode(1 ));
- eos._toSmooth = needSmoothing( cosinAbs, tgtThick, segLen );
+ SMESH_TNodeXYZ( endSeg->GetNode( 0 )).Distance( endSeg->GetNode( 1 ));
+ eos._toSmooth = needSmoothing( cosinAbs, tgtThick * eV[0]->_lenFactor, segLen );
}
}
if ( eos._toSmooth )
{
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 );
}
}
}
if ( !eos._hyp.ToSmooth() )
for ( size_t i = 0; i < eos._edges.size(); ++i )
- eos._edges[i]->SetCosin( 0 );
+ //eos._edges[i]->SetCosin( 0 ); // keep _cosin to use in limitMaxLenByCurvature()
+ eos._edges[i]->_lenFactor = 1;
}
- // Fill _eosC1 to make that C1 FACEs and EGDEs between them to be smoothed as a whole
+ // Fill _eosC1 to make that C1 FACEs and EDGEs between them to be smoothed as a whole
TopTools_MapOfShape c1VV;
{
_EdgesOnShape* eof = data.GetShapeEdges( *face );
if ( !eof ) continue; // other solid
- if ( !eos.HasC1( eoe ))
- {
- eos._eosC1.push_back( eoe );
- eoe->_toSmooth = false;
- data.PrepareEdgesToSmoothOnFace( eoe, /*substituteSrcNodes=*/false );
- }
- if ( eos._shapeID != eof->_shapeID && !eos.HasC1( eof ))
+ if ( eos._shapeID == eof->_shapeID ) continue;
+ if ( !eos.HasC1( eof ))
{
+ // check the FACEs
eos._eosC1.push_back( eof );
eof->_toSmooth = false;
data.PrepareEdgesToSmoothOnFace( eof, /*substituteSrcNodes=*/false );
smQueue.push_back( eof->_subMesh );
}
+ if ( !eos.HasC1( eoe ))
+ {
+ eos._eosC1.push_back( eoe );
+ eoe->_toSmooth = false;
+ data.PrepareEdgesToSmoothOnFace( eoe, /*substituteSrcNodes=*/false );
+ }
}
}
}
if ( eos.ShapeType() == TopAbs_FACE ) // get normals to elements on a FACE
{
SMESHDS_SubMesh* smDS = sm->GetSubMeshDS();
- eos._faceNormals.resize( smDS->NbElements() );
+ if ( !smDS ) return;
+ eos._faceNormals.reserve( smDS->NbElements() );
+ double oriFactor = helper.IsReversedSubMesh( TopoDS::Face( eos._shape )) ? 1.: -1.;
SMDS_ElemIteratorPtr eIt = smDS->GetElements();
- for ( int iF = 0; eIt->more(); ++iF )
+ for ( ; eIt->more(); )
{
const SMDS_MeshElement* face = eIt->next();
- if ( !SMESH_MeshAlgos::FaceNormal( face, eos._faceNormals[iF], /*normalized=*/true ))
- eos._faceNormals[iF].SetCoord( 0,0,0 );
+ gp_XYZ& norm = eos._faceNormals[face];
+ if ( !SMESH_MeshAlgos::FaceNormal( face, norm, /*normalized=*/true ))
+ norm.SetCoord( 0,0,0 );
+ norm *= oriFactor;
}
-
- if ( !helper.IsReversedSubMesh( TopoDS::Face( eos._shape )))
- for ( size_t iF = 0; iF < eos._faceNormals.size(); ++iF )
- eos._faceNormals[iF].Reverse();
}
else // find EOS of adjacent FACEs
{
bool _EdgesOnShape::GetNormal( const SMDS_MeshElement* face, gp_Vec& norm )
{
bool ok = false;
- const _EdgesOnShape* eos = 0;
+ _EdgesOnShape* eos = 0;
if ( face->getshapeId() == _shapeID )
{
}
if (( eos ) &&
- ( ok = ( face->getIdInShape() < (int) eos->_faceNormals.size() )))
+ ( ok = ( eos->_faceNormals.count( face ) )))
{
- norm = eos->_faceNormals[ face->getIdInShape() ];
+ norm = eos->_faceNormals[ face ];
}
else if ( !eos )
{
}
// 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 );
getMeshDS()->RemoveFreeNode( edge._nodes.back(), 0, /*fromGroups=*/false );
edge._nodes.resize( 1 );
edge._normal.SetCoord( 0,0,0 );
- edge._maxLen = 0;
+ edge.SetMaxLen( 0 );
}
// Set the rest data
{
const SMDS_MeshNode* tgtNode = edge._nodes.back();
if ( SMESHDS_SubMesh* sm = getMeshDS()->MeshElements( data._solid ))
- sm->RemoveNode( tgtNode , /*isNodeDeleted=*/false );
+ sm->RemoveNode( tgtNode );
// set initial position which is parameters on _sWOL in this case
if ( eos.SWOLType() == TopAbs_EDGE )
isOK = false;
return p.XYZ();
}
- Quantity_Parameter U,V;
+ Standard_Real U,V;
projector.LowerDistanceParameters(U,V);
uv.SetCoord( U,V );
}
{
if ( eos.ShapeType() != TopAbs_EDGE )
return;
+ if ( _curvature && Is( SMOOTHED_C1 ))
+ return;
gp_XYZ pos = SMESH_TNodeXYZ( _nodes[0] );
gp_XYZ vec1 = pos - SMESH_TNodeXYZ( n1 );
//================================================================================
/*!
- * \brief DEBUG. Create groups contating temorary data of _LayerEdge's
+ * \brief DEBUG. Create groups containing temporary data of _LayerEdge's
*/
//================================================================================
_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() )
for ( size_t i = 0; i < eos._edges.size(); ++i )
{
if ( eos._edges[i]->Is( _LayerEdge::BLOCKED )) continue;
- eos._edges[i]->_maxLen = thinkness;
+ eos._edges[i]->SetMaxLen( thinkness );
eos._edges[i]->FindIntersection( *searcher, intersecDist, data._epsilon, eos, &face );
if ( intersecDist > 0 && face )
{
data._geomSize = Min( data._geomSize, intersecDist );
if ( !neighborFaces.count( face->getshapeId() ))
- eos._edges[i]->_maxLen = Min( thinkness, intersecDist / ( face->GetID() < 0 ? 3. : 2. ));
+ eos[i]->SetMaxLen( Min( thinkness, intersecDist / ( face->GetID() < 0 ? 3. : 2. )));
}
}
}
+
+ 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 &&
break;
}
#endif
+
// new step size
limitStepSize( data, 0.25 * distToIntersection );
if ( data._stepSizeNodes[0] )
if ( nbBad == oldBadNb &&
nbBad > 0 &&
- step < stepLimit ) // smooth w/o chech of validity
+ step < stepLimit ) // smooth w/o check of validity
{
dumpFunctionEnd();
dumpFunction(SMESH_Comment("smoothWoCheck")<<data._index<<"_Fa"<<sInd
_LayerEdge* edge = eos._edges[i];
if ( edge->_nodes.size() < 2 ) continue;
SMESH_TNodeXYZ tgtXYZ = edge->_nodes.back();
+ //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 )
const SMDS_MeshElement* intFace = 0;
const SMDS_MeshElement* closestFace = 0;
_LayerEdge* le = 0;
+ bool is1stBlocked = true; // dbg
for ( size_t iS = 0; iS < data._edgesOnShape.size(); ++iS )
{
_EdgesOnShape& eos = data._edgesOnShape[ iS ];
// 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
continue;
// ignore intersection with intFace of an adjacent FACE
- if ( dist > 0 )
+ if ( dist > 0.1 * eos._edges[i]->_len )
{
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
{
if ( toBlockInfaltion &&
dist < ( eos._edges[i]->_len * theThickToIntersection ))
{
+ if ( is1stBlocked ) { is1stBlocked = false; // debug
+ dumpFunction(SMESH_Comment("blockIntersected") <<data._index<<"_InfStep"<<infStep);
+ }
eos._edges[i]->Set( _LayerEdge::INTERSECTED ); // not to intersect
eos._edges[i]->Block( data ); // not to inflate
- if ( _EdgesOnShape* eof = data.GetShapeEdges( intFace->getshapeId() ))
+ //if ( _EdgesOnShape* eof = data.GetShapeEdges( intFace->getshapeId() ))
{
// block _LayerEdge's, on top of which intFace is
if ( const _TmpMeshFace* f = dynamic_cast< const _TmpMeshFace*>( intFace ))
{
- const SMDS_MeshElement* srcFace =
- eof->_subMesh->GetSubMeshDS()->GetElement( f->getIdInShape() );
- SMDS_ElemIteratorPtr nIt = srcFace->nodesIterator();
+ const SMDS_MeshElement* srcFace = f->_srcFace;
+ SMDS_ElemIteratorPtr nIt = srcFace->nodesIterator();
while ( nIt->more() )
{
const SMDS_MeshNode* srcNode = static_cast<const SMDS_MeshNode*>( nIt->next() );
} // loop on eos._edges
} // loop on data._edgesOnShape
+ if ( !is1stBlocked )
+ dumpFunctionEnd();
+
if ( closestFace && le )
{
#ifdef __myDEBUG
SMDS_MeshElement::iterator nIt = closestFace->begin_nodes();
- cout << "Shortest distance: _LayerEdge nodes: tgt " << le->_nodes.back()->GetID()
+ cout << "#Shortest distance: _LayerEdge nodes: tgt " << le->_nodes.back()->GetID()
<< " src " << le->_nodes[0]->GetID()<< ", intersection with face ("
<< (*nIt++)->GetID()<<" "<< (*nIt++)->GetID()<<" "<< (*nIt++)->GetID()
<< ") distance = " << distToIntersection<< endl;
try
{
- BRepOffsetAPI_MakeOffsetShape offsetMaker( eos._shape, -offset, Precision::Confusion() );
+ BRepOffsetAPI_MakeOffsetShape offsetMaker;
+ offsetMaker.PerformByJoin( eos._shape, -offset, Precision::Confusion() );
if ( !offsetMaker.IsDone() ) return;
TopExp_Explorer fExp( offsetMaker.Shape(), TopAbs_FACE );
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 * leOnV[0]->_lenFactor, _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 * leOnV[1]->_lenFactor, _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 ))
- {
- 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 ))
+ //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 )
{
- 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 );
+ uvV1.SetCoord( iPeriodic, helper.GetOtherParam( uvV1.Coord( iPeriodic )));
+ if ( uvV0.Coord( iPeriodic ) > uvV1.Coord( iPeriodic ))
+ std::swap( uvV0, uvV1 );
}
}
- 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 );
+ 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_FacePositionPtr pos = 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 );
tgtNode->setXYZ( newPos.X(), newPos.Y(), newPos.Z() );
dumpMove( tgtNode );
- SMDS_FacePosition* pos = static_cast<SMDS_FacePosition*>( tgtNode->GetPosition() );
+ SMDS_FacePositionPtr pos = 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];
+ bool isProjected[2];
for ( int is2nd = 0; is2nd < 2; ++is2nd )
{
pExtreme[ is2nd ] = SMESH_TNodeXYZ( e[is2nd]->_nodes.back() );
int i = _iSeg[ is2nd ];
int di = is2nd ? -1 : +1;
- bool projected = false;
+ bool & projected = isProjected[ is2nd ];
+ projected = false;
double uOnSeg, distMin = Precision::Infinite(), dist, distPrev = 0;
int nbWorse = 0;
do {
gp_Vec vDiv0( pExtreme[0], pProj[0] );
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;
+ double d1 = isProjected[1] ? vDiv1.Magnitude() : 0;
+ 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
+ // ---------------------------------------------------------------------------------
+
+ // temporary replace extreme _offPoints by pExtreme
+ gp_XYZ opXYZ[2] = { _offPoints[ _iSeg[0] ]._xyz,
+ _offPoints[ _iSeg[1]+1 ]._xyz };
+ _offPoints[ _iSeg[0] ]._xyz = pExtreme[0].XYZ();
+ _offPoints[ _iSeg[1]+ 1]._xyz = pExtreme[1].XYZ();
size_t iSeg = 0, nbSeg = _iSeg[1] - _iSeg[0] + 1;
vector< double > len( nbSeg + 1 );
len[ iSeg++ ] = 0;
- len[ iSeg++ ] = pProj[ 0 ].Distance( _offPoints[ _iSeg[0]+1 ]._xyz )/* * e[0]->_lenFactor*/;
+ len[ iSeg++ ] = pProj[ 0 ].Distance( _offPoints[ _iSeg[0]+1 ]._xyz );
for ( size_t i = _iSeg[0]+1; i <= _iSeg[1]; ++i, ++iSeg )
{
len[ iSeg ] = len[ iSeg-1 ] + _offPoints[i].Distance( _offPoints[i+1] );
}
- len[ nbSeg ] -= pProj[ 1 ].Distance( _offPoints[ _iSeg[1]+1 ]._xyz )/* * e[1]->_lenFactor*/;
+ // if ( isProjected[ 1 ])
+ // len[ nbSeg ] -= pProj[ 1 ].Distance( _offPoints[ _iSeg[1]+1 ]._xyz );
+ // else
+ // len[ nbSeg ] += pExtreme[ 1 ].Distance( _offPoints[ _iSeg[1]+1 ]._xyz );
- // d0 *= e[0]->_lenFactor;
- // d1 *= e[1]->_lenFactor;
double fullLen = len.back() - d0 - d1;
for ( iSeg = 0; iSeg < len.size(); ++iSeg )
len[iSeg] = ( len[iSeg] - d0 ) / fullLen;
- // temporary replace extreme _offPoints by pExtreme
- gp_XYZ op[2] = { _offPoints[ _iSeg[0] ]._xyz,
- _offPoints[ _iSeg[1]+1 ]._xyz };
- _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 );
}
- _offPoints[ _iSeg[0] ]._xyz = op[0];
- _offPoints[ _iSeg[1]+1 ]._xyz = op[1];
+ _offPoints[ _iSeg[0] ]._xyz = opXYZ[0];
+ _offPoints[ _iSeg[1]+1 ]._xyz = opXYZ[1];
return true;
}
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 Writes a script creating a mesh composed of _offPoints
+ */
+//================================================================================
+
+void _Smoother1D::offPointsToPython() const
+{
+ const char* fname = "/tmp/offPoints.py";
+ cout << "execfile('"<<fname<<"')"<<endl;
+ ofstream py(fname);
+ py << "import SMESH" << endl
+ << "from salome.smesh import smeshBuilder" << endl
+ << "smesh = smeshBuilder.New(salome.myStudy)" << endl
+ << "mesh = smesh.Mesh( 'offPoints' )"<<endl;
+ for ( size_t i = 0; i < _offPoints.size(); i++ )
+ {
+ py << "mesh.AddNode( "
+ << _offPoints[i]._xyz.X() << ", "
+ << _offPoints[i]._xyz.Y() << ", "
+ << _offPoints[i]._xyz.Z() << " )" << endl;
+ }
+}
+
//================================================================================
/*!
* \brief Sort _LayerEdge's by a parameter on a given EDGE
}
// SetSmooLen() to _LayerEdge's on FACE
- for ( size_t i = 0; i < eos->_edges.size(); ++i )
- {
- eos->_edges[i]->SetSmooLen( Precision::Infinite() );
- }
- SMESH_subMeshIteratorPtr smIt = eos->_subMesh->getDependsOnIterator(/*includeSelf=*/false);
- while ( smIt->more() ) // loop on sub-shapes of the FACE
- {
- _EdgesOnShape* eoe = GetShapeEdges( smIt->next()->GetId() );
- if ( !eoe ) continue;
-
- vector<_LayerEdge*>& eE = eoe->_edges;
- for ( size_t iE = 0; iE < eE.size(); ++iE ) // loop on _LayerEdge's on EDGE or VERTEX
- {
- if ( eE[iE]->_cosin <= theMinSmoothCosin )
- continue;
+ // for ( size_t i = 0; i < eos->_edges.size(); ++i )
+ // {
+ // eos->_edges[i]->SetSmooLen( Precision::Infinite() );
+ // }
+ // SMESH_subMeshIteratorPtr smIt = eos->_subMesh->getDependsOnIterator(/*includeSelf=*/false);
+ // while ( smIt->more() ) // loop on sub-shapes of the FACE
+ // {
+ // _EdgesOnShape* eoe = GetShapeEdges( smIt->next()->GetId() );
+ // if ( !eoe ) continue;
- SMDS_ElemIteratorPtr segIt = eE[iE]->_nodes[0]->GetInverseElementIterator(SMDSAbs_Edge);
- while ( segIt->more() )
- {
- const SMDS_MeshElement* seg = segIt->next();
- if ( !eos->_subMesh->DependsOn( seg->getshapeId() ))
- continue;
- if ( seg->GetNode(0) != eE[iE]->_nodes[0] )
- continue; // not to check a seg twice
- for ( size_t iN = 0; iN < eE[iE]->_neibors.size(); ++iN )
- {
- _LayerEdge* eN = eE[iE]->_neibors[iN];
- if ( eN->_nodes[0]->getshapeId() != eos->_shapeID )
- continue;
- double dist = SMESH_MeshAlgos::GetDistance( seg, SMESH_TNodeXYZ( eN->_nodes[0] ));
- double smooLen = getSmoothingThickness( eE[iE]->_cosin, dist );
- eN->SetSmooLen( Min( smooLen, eN->GetSmooLen() ));
- eN->Set( _LayerEdge::NEAR_BOUNDARY );
- }
- }
- }
- }
+ // vector<_LayerEdge*>& eE = eoe->_edges;
+ // for ( size_t iE = 0; iE < eE.size(); ++iE ) // loop on _LayerEdge's on EDGE or VERTEX
+ // {
+ // if ( eE[iE]->_cosin <= theMinSmoothCosin )
+ // continue;
+
+ // SMDS_ElemIteratorPtr segIt = eE[iE]->_nodes[0]->GetInverseElementIterator(SMDSAbs_Edge);
+ // while ( segIt->more() )
+ // {
+ // const SMDS_MeshElement* seg = segIt->next();
+ // if ( !eos->_subMesh->DependsOn( seg->getshapeId() ))
+ // continue;
+ // if ( seg->GetNode(0) != eE[iE]->_nodes[0] )
+ // continue; // not to check a seg twice
+ // for ( size_t iN = 0; iN < eE[iE]->_neibors.size(); ++iN )
+ // {
+ // _LayerEdge* eN = eE[iE]->_neibors[iN];
+ // if ( eN->_nodes[0]->getshapeId() != eos->_shapeID )
+ // continue;
+ // double dist = SMESH_MeshAlgos::GetDistance( seg, SMESH_TNodeXYZ( eN->_nodes[0] ));
+ // double smooLen = getSmoothingThickness( eE[iE]->_cosin, dist );
+ // eN->SetSmooLen( Min( smooLen, eN->GetSmooLen() ));
+ // eN->Set( _LayerEdge::NEAR_BOUNDARY );
+ // }
+ // }
+ // }
+ // }
} // if ( eos->ShapeType() == TopAbs_FACE )
for ( size_t i = 0; i < eos->_edges.size(); ++i )
avgLen /= edge->_simplices.size();
if (( edge->_curvature = _Curvature::New( avgNormProj, avgLen )))
{
+ edge->Set( _LayerEdge::SMOOTHED_C1 );
isCurved = true;
- SMDS_FacePosition* fPos = dynamic_cast<SMDS_FacePosition*>( edge->_nodes[0]->GetPosition() );
+ SMDS_FacePositionPtr fPos = edge->_nodes[0]->GetPosition();
if ( !fPos )
for ( size_t iS = 0; iS < edge->_simplices.size() && !fPos; ++iS )
- fPos = dynamic_cast<SMDS_FacePosition*>( edge->_simplices[iS]._nPrev->GetPosition() );
+ fPos = edge->_simplices[iS]._nPrev->GetPosition();
if ( fPos )
edge->_curvature->_uv.SetCoord( fPos->GetUParameter(), fPos->GetVParameter() );
}
if ( eI->_nodes[0]->GetID() < eN->_nodes[0]->GetID() ) // treat this pair once
{
_EdgesOnShape* eosN = data.GetShapeEdges( eN );
- limitMaxLenByCurvature( eI, eN, eosI, *eosN, helper );
+ limitMaxLenByCurvature( eI, eN, eosI, *eosN, eosI._hyp.ToSmooth() );
}
}
}
for ( size_t i = 1; i < eosI._edges.size(); ++i )
{
_LayerEdge* eI = eosI._edges[i];
- limitMaxLenByCurvature( eI, e0, eosI, eosI, helper );
+ limitMaxLenByCurvature( eI, e0, eosI, eosI, eosI._hyp.ToSmooth() );
e0 = eI;
}
}
*/
//================================================================================
-void _ViscousBuilder::limitMaxLenByCurvature( _LayerEdge* e1,
- _LayerEdge* e2,
- _EdgesOnShape& eos1,
- _EdgesOnShape& eos2,
- SMESH_MesherHelper& helper )
+void _ViscousBuilder::limitMaxLenByCurvature( _LayerEdge* e1,
+ _LayerEdge* e2,
+ _EdgesOnShape& eos1,
+ _EdgesOnShape& eos2,
+ const bool isSmoothable )
{
+ if (( e1->_nodes[0]->GetPosition()->GetDim() !=
+ e2->_nodes[0]->GetPosition()->GetDim() ) &&
+ ( e1->_cosin < 0.75 ))
+ return; // angle > 90 deg at e1
+
gp_XYZ plnNorm = e1->_normal ^ e2->_normal;
double norSize = plnNorm.SquareModulus();
if ( norSize < std::numeric_limits<double>::min() )
double ovl = ( u1 * e1->_normal * dir12 -
u2 * e2->_normal * dir12 ) / dir12.SquareModulus();
if ( ovl > theSmoothThickToElemSizeRatio )
- {
- e1->_maxLen = Min( e1->_maxLen, 0.75 * u1 / e1->_lenFactor );
- e2->_maxLen = Min( e2->_maxLen, 0.75 * u2 / e2->_lenFactor );
+ {
+ const double coef = 0.75;
+ e1->SetMaxLen( Min( e1->_maxLen, coef * u1 / e1->_lenFactor ));
+ e2->SetMaxLen( Min( e2->_maxLen, coef * u2 / e2->_lenFactor ));
}
}
}
_EdgesOnShape& eos = data._edgesOnShape[iS];
if ( eos._edges.empty() ) continue;
if ( eos.ShapeType() != TopAbs_EDGE && eos.ShapeType() != TopAbs_VERTEX ) continue;
+ if ( !eos._sWOL.IsNull() ) continue; // PAL23566
for ( size_t i = 0; i < eos._edges.size(); ++i )
{
src2->GetID() < edge->_nodes[0]->GetID() )
continue; // avoid using same segment twice
- // a _LayerEdge containg tgt2
+ // a _LayerEdge containing tgt2
_LayerEdge* neiborEdge = edge->_2neibors->_edges[j];
_TmpMeshFaceOnEdge* f = new _TmpMeshFaceOnEdge( edge, neiborEdge, --_tmpFaceID );
( f->_le2->IsOnEdge() && f->_le2->_2neibors->include( edge ))) continue;
}
dist1 = dist2 = Precision::Infinite();
- if ( !edge->SegTriaInter( lastSegment, f->_nn[0], f->_nn[1], f->_nn[2], dist1, eps ))
+ if ( !edge->SegTriaInter( lastSegment, f->n(0), f->n(1), f->n(2), dist1, eps ))
dist1 = Precision::Infinite();
- if ( !edge->SegTriaInter( lastSegment, f->_nn[3], f->_nn[2], f->_nn[0], dist2, eps ))
+ if ( !edge->SegTriaInter( lastSegment, f->n(3), f->n(2), f->n(0), dist2, eps ))
dist2 = Precision::Infinite();
if (( dist1 > segLen ) && ( dist2 > segLen ))
continue;
if ( edge->IsOnEdge() )
{
// skip perpendicular EDGEs
- gp_Vec fSegDir = SMESH_TNodeXYZ( f->_nn[0] ) - SMESH_TNodeXYZ( f->_nn[3] );
+ gp_Vec fSegDir = SMESH_TNodeXYZ( f->n(0) ) - SMESH_TNodeXYZ( f->n(3) );
bool isParallel = ( isLessAngle( eSegDir0, fSegDir, angle45 ) ||
isLessAngle( eSegDir1, fSegDir, angle45 ) ||
isLessAngle( eSegDir0, fSegDir.Reversed(), angle45 ) ||
// else
// {
// double shortLen = 0.75 * ( Min( dist1, dist2 ) / edge->_lenFactor );
- // edge->_maxLen = Min( shortLen, edge->_maxLen );
+ // edge->SetMaxLen( Min( shortLen, edge->_maxLen ));
// }
}
}
}
+//================================================================================
+/*!
+ * \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 = edge2newEdge.insert( make_pair( edge1, zeroEdge )).first;
e2neIt->second._normal += distWgt * newNormal;
e2neIt->second._cosin = newCos;
- e2neIt->second._maxLen = 0.7 * minIntDist / edge1->_lenFactor;
+ e2neIt->second.SetMaxLen( 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.SetMaxLen( 1.3 * minIntDist / edge1->_lenFactor );
+ }
if ( iter > 0 && sgn1 * sgn2 < 0 && edge2->_cosin < 0 )
e2neIt->second._normal += dir1;
}
for ( e2neIt = edge2newEdge.begin(); e2neIt != edge2newEdge.end(); ++e2neIt )
{
_LayerEdge* edge = e2neIt->first;
- if ( edge->Is( _LayerEdge::BLOCKED )) continue;
_LayerEdge& newEdge = e2neIt->second;
_EdgesOnShape* eos = data.GetShapeEdges( edge );
+ if ( edge->Is( _LayerEdge::BLOCKED && newEdge._maxLen > edge->_len ))
+ continue;
// Check if a new _normal is OK:
newEdge._normal.Normalize();
if ( newEdge._maxLen < edge->_len && iter > 0 ) // limit _maxLen
{
edge->InvalidateStep( stepNb + 1, *eos, /*restoreLength=*/true );
- edge->_maxLen = newEdge._maxLen;
+ edge->SetMaxLen( newEdge._maxLen );
edge->SetNewLength( newEdge._maxLen, *eos, helper );
}
continue; // the new _normal is bad
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
gp_XYZ _LayerEdge::PrevCheckPos( _EdgesOnShape* eos ) const
{
- size_t i = Is( NORMAL_UPDATED ) ? _pos.size()-2 : 0;
+ size_t i = Is( NORMAL_UPDATED ) && IsOnFace() ? _pos.size()-2 : 0;
if ( !eos || eos->_sWOL.IsNull() )
return _pos[ i ];
//================================================================================
/*!
- * \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
*/
//================================================================================
prevPosV = surface.Value( prevPosV.X(), prevPosV.Y() ).XYZ();
}
- SMDS_FacePosition* fPos;
+ SMDS_FacePositionPtr fPos;
//double r = 1. - Min( 0.9, step / 10. );
for ( set< _LayerEdge* >::iterator e = edges.begin(); e != edges.end(); ++e )
{
// set _curvature to make edgeF updated by putOnOffsetSurface()
if ( !edgeF->_curvature )
- if (( fPos = dynamic_cast<SMDS_FacePosition*>( edgeF->_nodes[0]->GetPosition() )))
+ if (( fPos = edgeF->_nodes[0]->GetPosition() ))
{
edgeF->_curvature = new _Curvature;
edgeF->_curvature->_r = 0;
//================================================================================
/*!
- * \brief Chooses a smoothing technic giving a position most close to an initial one.
+ * \brief Chooses a smoothing technique giving a position most close to an initial one.
* For a correct result, _simplices must contain nodes lying on geometry.
*/
//================================================================================
}
}
- // // this coice is done only if ( !concaveVertices.empty() ) for Grids/smesh/bugs_19/X1
+ // // this choice is done only if ( !concaveVertices.empty() ) for Grids/smesh/bugs_19/X1
// // where the nodes are smoothed too far along a sphere thus creating
// // inverted _simplices
// double dist[theNbSmooFuns];
{
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);
_pos.back().SetCoord( u, 0, 0 );
if ( _nodes.size() > 1 && uvOK )
{
- SMDS_EdgePosition* pos = static_cast<SMDS_EdgePosition*>( n->GetPosition() );
+ SMDS_EdgePositionPtr pos = n->GetPosition();
pos->SetUParameter( u );
}
}
_pos.back().SetCoord( uv.X(), uv.Y(), 0 );
if ( _nodes.size() > 1 && uvOK )
{
- SMDS_FacePosition* pos = static_cast<SMDS_FacePosition*>( n->GetPosition() );
+ SMDS_FacePositionPtr pos = n->GetPosition();
pos->SetUParameter( uv.X() );
pos->SetVParameter( uv.Y() );
}
//if ( Is( BLOCKED )) return;
Set( BLOCKED );
- _maxLen = _len;
+ SMESH_Comment msg( "#BLOCK shape=");
+ msg << data.GetShapeEdges( this )->_shapeID
+ << ", nodes " << _nodes[0]->GetID() << ", " << _nodes.back()->GetID();
+ dumpCmd( msg + " -- BEGIN");
+
+ SetMaxLen( _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 *= edge->_lenFactor / neibor->_lenFactor;
+ // newMaxLen *= Min( edge->_lenFactor / neibor->_lenFactor,
+ // neibor->_lenFactor / edge->_lenFactor );
}
if ( neibor->_maxLen > newMaxLen )
{
- neibor->_maxLen = newMaxLen;
+ neibor->SetMaxLen( newMaxLen );
if ( neibor->_maxLen < neibor->_len )
{
_EdgesOnShape* eos = data.GetShapeEdges( neibor );
+ int lastStep = neibor->Is( BLOCKED ) ? 1 : 0;
while ( neibor->_len > neibor->_maxLen &&
- neibor->NbSteps() > 1 )
+ neibor->NbSteps() > lastStep )
neibor->InvalidateStep( neibor->NbSteps(), *eos, /*restoreLength=*/true );
neibor->SetNewLength( neibor->_maxLen, *eos, data.GetHelper() );
//neibor->Block( data );
}
}
}
+ dumpCmd( msg + " -- END");
}
//================================================================================
TopLoc_Location loc;
if ( eos.SWOLType() == TopAbs_EDGE )
{
- SMDS_EdgePosition* pos = static_cast<SMDS_EdgePosition*>( n->GetPosition() );
+ SMDS_EdgePositionPtr pos = n->GetPosition();
pos->SetUParameter( nXYZ.X() );
double f,l;
Handle(Geom_Curve) curve = BRep_Tool::Curve( TopoDS::Edge( eos._sWOL ), loc, f,l);
}
else
{
- SMDS_FacePosition* pos = static_cast<SMDS_FacePosition*>( n->GetPosition() );
+ SMDS_FacePositionPtr pos = n->GetPosition();
pos->SetUParameter( nXYZ.X() );
pos->SetVParameter( nXYZ.Y() );
Handle(Geom_Surface) surface = BRep_Tool::Surface( TopoDS::Face(eos._sWOL), loc );
if ( restoreLength )
{
- _len -= ( nXYZ.XYZ() - curXYZ ).Modulus() / _lenFactor;
+ if ( NbSteps() == 0 )
+ _len = 0.;
+ else if ( IsOnFace() && Is( MOVED ))
+ _len = ( nXYZ.XYZ() - SMESH_NodeXYZ( _nodes[0] )) * _normal;
+ else
+ _len -= ( nXYZ.XYZ() - curXYZ ).Modulus() / _lenFactor;
}
}
+ return;
}
//================================================================================
int iSmoothed = GetSmoothedPos( tol );
if ( !iSmoothed ) return;
- //if ( 1 || Is( DISTORTED ))
+ gp_XYZ normal = _normal;
+ if ( Is( NORMAL_UPDATED ))
{
- gp_XYZ normal = _normal;
- if ( Is( NORMAL_UPDATED ))
+ double minDot = 1;
+ for ( size_t i = 0; i < _neibors.size(); ++i )
+ {
+ if ( _neibors[i]->IsOnFace() )
+ {
+ double dot = _normal * _neibors[i]->_normal;
+ if ( dot < minDot )
+ {
+ normal = _neibors[i]->_normal;
+ minDot = dot;
+ }
+ }
+ }
+ if ( minDot == 1. )
for ( size_t i = 1; i < _pos.size(); ++i )
{
normal = _pos[i] - _pos[0];
break;
}
}
- const double r = 0.2;
- for ( int iter = 0; iter < 50; ++iter )
+ }
+ const double r = 0.2;
+ for ( int iter = 0; iter < 50; ++iter )
+ {
+ double minDot = 1;
+ for ( size_t i = Max( 1, iSmoothed-1-iter ); i < _pos.size()-1; ++i )
{
- double minDot = 1;
- for ( size_t i = Max( 1, iSmoothed-1-iter ); i < _pos.size()-1; ++i )
- {
- gp_XYZ midPos = 0.5 * ( _pos[i-1] + _pos[i+1] );
- gp_XYZ newPos = ( 1-r ) * midPos + r * _pos[i];
- _pos[i] = newPos;
- double midLen = 0.5 * ( segLen[i-1] + segLen[i+1] );
- double newLen = ( 1-r ) * midLen + r * segLen[i];
- const_cast< double& >( segLen[i] ) = newLen;
- // check angle between normal and (_pos[i+1], _pos[i] )
- gp_XYZ posDir = _pos[i+1] - _pos[i];
- double size = posDir.SquareModulus();
- if ( size > RealSmall() )
- minDot = Min( minDot, ( normal * posDir ) * ( normal * posDir ) / size );
- }
- if ( minDot > 0.5 * 0.5 )
- break;
+ gp_XYZ midPos = 0.5 * ( _pos[i-1] + _pos[i+1] );
+ gp_XYZ newPos = ( 1-r ) * midPos + r * _pos[i];
+ _pos[i] = newPos;
+ double midLen = 0.5 * ( segLen[i-1] + segLen[i+1] );
+ double newLen = ( 1-r ) * midLen + r * segLen[i];
+ const_cast< double& >( segLen[i] ) = newLen;
+ // check angle between normal and (_pos[i+1], _pos[i] )
+ gp_XYZ posDir = _pos[i+1] - _pos[i];
+ double size = posDir.SquareModulus();
+ if ( size > RealSmall() )
+ minDot = Min( minDot, ( normal * posDir ) * ( normal * posDir ) / size );
}
+ if ( minDot > 0.5 * 0.5 )
+ break;
}
- // else
- // {
- // for ( size_t i = 1; i < _pos.size()-1; ++i )
- // {
- // if ((int) i < iSmoothed && ( segLen[i] / segLen.back() < 0.5 ))
- // continue;
-
- // double wgt = segLen[i] / segLen.back();
- // gp_XYZ normPos = _pos[0] + _normal * wgt * _len;
- // gp_XYZ tgtPos = ( 1 - wgt ) * _pos[0] + wgt * _pos.back();
- // gp_XYZ newPos = ( 1 - wgt ) * normPos + wgt * tgtPos;
- // _pos[i] = newPos;
- // }
- // }
+ return;
}
//================================================================================
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;
return dump;
}
+
//================================================================================
/*!
- case brief:
- default:
-*/
+ * \brief Create layers of prisms
+ */
//================================================================================
bool _ViscousBuilder::refine(_SolidData& data)
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;
surface = helper.GetSurface( geomFace );
// propagate _toSmooth back to _eosC1, which was unset in findShapesToSmooth()
for ( size_t i = 0; i < eos._eosC1.size(); ++i )
- {
eos._eosC1[ i ]->_toSmooth = true;
- 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
{
SMDS_PositionPtr lastPos = tgtNode->GetPosition();
if ( isOnEdge )
{
- SMDS_EdgePosition* epos = static_cast<SMDS_EdgePosition*>( lastPos );
+ SMDS_EdgePositionPtr epos = lastPos;
epos->SetUParameter( otherTgtPos.X() );
}
else
{
- SMDS_FacePosition* fpos = static_cast<SMDS_FacePosition*>( lastPos );
+ SMDS_FacePositionPtr fpos = lastPos;
fpos->SetUParameter( otherTgtPos.X() );
fpos->SetVParameter( otherTgtPos.Y() );
}
u = helper.GetNodeU( geomEdge, node );
pos = curve->Value( u ).Transformed(loc);
- SMDS_EdgePosition* epos = static_cast<SMDS_EdgePosition*>( node->GetPosition() );
+ SMDS_EdgePositionPtr epos = node->GetPosition();
epos->SetUParameter( u );
}
else
uv = helper.GetNodeUV( geomFace, node );
pos = surface->Value( uv );
- SMDS_FacePosition* fpos = static_cast<SMDS_FacePosition*>( node->GetPosition() );
+ SMDS_FacePositionPtr fpos = node->GetPosition();
fpos->SetUParameter( uv.X() );
fpos->SetVParameter( uv.Y() );
}
SMESH_ComputeErrorPtr& err = _mesh->GetSubMesh( data._solid )->GetComputeError();
if ( !err || err->IsOK() )
{
- err.reset( new SMESH_ComputeError( COMPERR_WARNING,
- "Bad quality volumes created" ));
- err->myBadElements.insert( err->myBadElements.end(),
- degenVols.begin(),degenVols.end() );
+ SMESH_BadInputElements* badElems =
+ new SMESH_BadInputElements( getMeshDS(), COMPERR_WARNING, "Bad quality volumes created" );
+ badElems->myBadElements.insert( badElems->myBadElements.end(),
+ degenVols.begin(),degenVols.end() );
+ err.reset( badElems );
}
}
vector< _EdgesOnShape* > subEOS;
vector< _LayerEdge* > lEdges;
- // loop on FACEs to srink mesh on
+ // loop on FACEs to shrink mesh on
map< TGeomID, list< _SolidData* > >::iterator f2sd = f2sdMap.begin();
for ( ; f2sd != f2sdMap.end(); ++f2sd )
{
if ( eos.SWOLType() == TopAbs_EDGE )
{
SMESH_subMesh* edgeSM = _mesh->GetSubMesh( eos._sWOL );
- _Shrinker1D& srinker = e2shrMap[ edgeSM->GetId() ];
- eShri1D.insert( & srinker );
- srinker.AddEdge( eos._edges[0], eos, helper );
+ _Shrinker1D& shrinker = e2shrMap[ edgeSM->GetId() ];
+ eShri1D.insert( & shrinker );
+ shrinker.AddEdge( eos._edges[0], eos, helper );
VISCOUS_3D::ToClearSubWithMain( edgeSM, data._solid );
- // restore params of nodes on EGDE if the EDGE has been already
- // srinked while srinking other FACE
- srinker.RestoreParams();
+ // restore params of nodes on EDGE if the EDGE has been already
+ // shrinked while shrinking other FACE
+ shrinker.RestoreParams();
}
for ( size_t i = 0; i < eos._edges.size(); ++i )
{
edge->Is( _LayerEdge::SHRUNK )) continue;
if ( subEOS[iS]->SWOLType() == TopAbs_FACE )
{
- SMDS_FacePosition* pos = static_cast<SMDS_FacePosition*>( tgtNode->GetPosition() );
+ SMDS_FacePositionPtr pos = tgtNode->GetPosition();
pos->SetUParameter( edge->_pos[0].X() );
pos->SetVParameter( edge->_pos[0].Y() );
p = surface->Value( edge->_pos[0].X(), edge->_pos[0].Y() );
}
else
{
- SMDS_EdgePosition* pos = static_cast<SMDS_EdgePosition*>( tgtNode->GetPosition() );
+ SMDS_EdgePositionPtr pos = tgtNode->GetPosition();
pos->SetUParameter( edge->_pos[0].Coord( U_TGT ));
p = BRepAdaptor_Curve( TopoDS::Edge( subEOS[iS]->_sWOL )).Value( pos->GetUParameter() );
}
if ( data2 )
VISCOUS_3D::ToClearSubWithMain( sm, data2->_solid );
- } // loop on FACES to srink mesh on
+ } // loop on FACES to shrink mesh on
// Replace source nodes by target nodes in shrinked mesh edges
edge._pos[0].SetCoord( tgtUV.X(), tgtUV.Y(), 0 );
// set UV of source node to target node
- SMDS_FacePosition* pos = static_cast<SMDS_FacePosition*>( tgtNode->GetPosition() );
+ SMDS_FacePositionPtr pos = tgtNode->GetPosition();
pos->SetUParameter( srcUV.X() );
pos->SetVParameter( srcUV.Y() );
}
edge._simplices[0]._nPrev = n2;
// set U of source node to the target node
- SMDS_EdgePosition* pos = static_cast<SMDS_EdgePosition*>( tgtNode->GetPosition() );
+ SMDS_EdgePositionPtr pos = tgtNode->GetPosition();
pos->SetUParameter( uSrc );
}
return true;
TopLoc_Location loc;
Handle(Geom_Curve) curve = BRep_Tool::Curve( TopoDS::Edge( S ), loc, f, l );
if ( curve.IsNull() ) return;
- SMDS_EdgePosition* ePos = static_cast<SMDS_EdgePosition*>( srcNode->GetPosition() );
+ SMDS_EdgePositionPtr ePos = srcNode->GetPosition();
p = curve->Value( ePos->GetUParameter() );
break;
}
//================================================================================
/*!
- * \brief Try to fix triangles with high aspect ratio by swaping diagonals
+ * \brief Try to fix triangles with high aspect ratio by swapping diagonals
*/
//================================================================================
{
return true;
}
- SMDS_FacePosition* pos = static_cast<SMDS_FacePosition*>( tgtNode->GetPosition() );
+ SMDS_FacePositionPtr pos = tgtNode->GetPosition();
pos->SetUParameter( newUV.X() );
pos->SetVParameter( newUV.Y() );
{
const TopoDS_Edge& E = TopoDS::Edge( eos._sWOL );
const SMDS_MeshNode* n2 = _simplices[0]._nPrev;
- SMDS_EdgePosition* tgtPos = static_cast<SMDS_EdgePosition*>( tgtNode->GetPosition() );
+ SMDS_EdgePositionPtr tgtPos = tgtNode->GetPosition();
const double u2 = helper.GetNodeU( E, n2, tgtNode );
const double uSrc = _pos[0].Coord( U_SRC );
return false;
}
- SMDS_FacePosition* pos = static_cast<SMDS_FacePosition*>( _node->GetPosition() );
+ SMDS_FacePositionPtr pos = _node->GetPosition();
pos->SetUParameter( newPos.X() );
pos->SetVParameter( newPos.Y() );
//================================================================================
/*!
- * \brief Computes new UV using angle based smoothing technic
+ * \brief Computes new UV using angle based smoothing technique
*/
//================================================================================
if ( !discret.IsDone() )
return throw SALOME_Exception(LOCALIZED("GCPnts_AbscissaPoint failed"));
double u = discret.Parameter();
- SMDS_EdgePosition* pos = static_cast<SMDS_EdgePosition*>( _nodes[i]->GetPosition() );
+ SMDS_EdgePositionPtr pos = _nodes[i]->GetPosition();
pos->SetUParameter( u );
gp_Pnt p = C->Value( u );
const_cast< SMDS_MeshNode*>( _nodes[i] )->setXYZ( p.X(), p.Y(), p.Z() );
{
if ( !_nodes[i] ) continue;
double u = f * ( 1-_normPar[i] ) + l * _normPar[i];
- SMDS_EdgePosition* pos = static_cast<SMDS_EdgePosition*>( _nodes[i]->GetPosition() );
+ SMDS_EdgePositionPtr pos = _nodes[i]->GetPosition();
pos->SetUParameter( u );
}
}
for ( size_t i = 0; i < _nodes.size(); ++i )
{
if ( !_nodes[i] ) continue;
- SMDS_EdgePosition* pos = static_cast<SMDS_EdgePosition*>( _nodes[i]->GetPosition() );
+ SMDS_EdgePositionPtr pos = _nodes[i]->GetPosition();
pos->SetUParameter( _initU[i] );
}
_done = false;
const SMDS_MeshNode* tgtN0 = ledges[0]->_nodes.back();
const SMDS_MeshNode* tgtN1 = ledges[1]->_nodes.back();
int nbSharedPyram = 0;
- SMDS_ElemIteratorPtr vIt = tgtN0->GetInverseElementIterator(SMDSAbs_Volume);
+ SMDS_ElemIteratorPtr vIt = tgtN1->GetInverseElementIterator(SMDSAbs_Volume);
while ( vIt->more() )
{
const SMDS_MeshElement* v = vIt->next();
- nbSharedPyram += int( v->GetNodeIndex( tgtN1 ) >= 0 );
+ nbSharedPyram += int( v->GetNodeIndex( tgtN0 ) >= 0 );
}
if ( nbSharedPyram > 1 )
continue; // not free border of the pyramid
