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0020918: EDF 1447 SMESH: Mesh common borders

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store GeomAPI_ProjectPointOnCurve
This commit is contained in:
eap 2010-11-12 14:40:33 +00:00
parent e5dab7ea91
commit f68e8a6388
2 changed files with 53 additions and 11 deletions
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53
src/SMESH/SMESH_MesherHelper.cxx
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@ -89,9 +89,16 @@ SMESH_MesherHelper::SMESH_MesherHelper(SMESH_Mesh& theMesh)
SMESH_MesherHelper::~SMESH_MesherHelper() SMESH_MesherHelper::~SMESH_MesherHelper()
{ {
TID2Projector::iterator i_proj = myFace2Projector.begin(); {
for ( ; i_proj != myFace2Projector.end(); ++i_proj ) TID2ProjectorOnSurf::iterator i_proj = myFace2Projector.begin();
delete i_proj->second; for ( ; i_proj != myFace2Projector.end(); ++i_proj )
delete i_proj->second;
}
{
TID2ProjectorOnCurve::iterator i_proj = myEdge2Projector.begin();
for ( ; i_proj != myEdge2Projector.end(); ++i_proj )
delete i_proj->second;
}
} }
//======================================================================= //=======================================================================
@ -517,8 +524,8 @@ GeomAPI_ProjectPointOnSurf& SMESH_MesherHelper::GetProjector(const TopoDS_Face&
{ {
Handle(Geom_Surface) surface = BRep_Tool::Surface( F,loc ); Handle(Geom_Surface) surface = BRep_Tool::Surface( F,loc );
int faceID = GetMeshDS()->ShapeToIndex( F ); int faceID = GetMeshDS()->ShapeToIndex( F );
TID2Projector& i2proj = const_cast< TID2Projector&>( myFace2Projector ); TID2ProjectorOnSurf& i2proj = const_cast< TID2ProjectorOnSurf&>( myFace2Projector );
TID2Projector::iterator i_proj = i2proj.find( faceID ); TID2ProjectorOnSurf::iterator i_proj = i2proj.find( faceID );
if ( i_proj == i2proj.end() ) if ( i_proj == i2proj.end() )
{ {
if ( tol == 0 ) tol = BRep_Tool::Tolerance( F ); if ( tol == 0 ) tol = BRep_Tool::Tolerance( F );
@ -672,13 +679,23 @@ bool SMESH_MesherHelper::CheckNodeU(const TopoDS_Edge& E,
if ( dist > tol ) if ( dist > tol )
{ {
// u incorrect, project the node to the curve // u incorrect, project the node to the curve
GeomAPI_ProjectPointOnCurve projector( nodePnt, curve, f, l ); int edgeID = GetMeshDS()->ShapeToIndex( E );
if ( projector.NbPoints() < 1 ) TID2ProjectorOnCurve& i2proj = const_cast< TID2ProjectorOnCurve&>( myEdge2Projector );
TID2ProjectorOnCurve::iterator i_proj =
i2proj.insert( make_pair( edgeID, (GeomAPI_ProjectPointOnCurve*) 0 )).first;
if ( !i_proj->second )
{
i_proj->second = new GeomAPI_ProjectPointOnCurve();
i_proj->second->Init( curve, f, l );
}
GeomAPI_ProjectPointOnCurve* projector = i_proj->second;
projector->Perform( nodePnt );
if ( projector->NbPoints() < 1 )
{ {
MESSAGE( "SMESH_MesherHelper::CheckNodeU() failed to project" ); MESSAGE( "SMESH_MesherHelper::CheckNodeU() failed to project" );
return false; return false;
} }
Quantity_Parameter U = projector.LowerDistanceParameter(); Quantity_Parameter U = projector->LowerDistanceParameter();
u = double( U ); u = double( U );
dist = nodePnt.Distance( curve->Value( U )); dist = nodePnt.Distance( curve->Value( U ));
if ( distance ) *distance = dist; if ( distance ) *distance = dist;
@ -1521,6 +1538,26 @@ bool SMESH_MesherHelper::IsSubShape( const TopoDS_Shape& shape, SMESH_Mesh* aMes
shape.ShapeType() == TopAbs_COMPOUND && aMesh->GetMeshDS()->IsGroupOfSubShapes( shape ); shape.ShapeType() == TopAbs_COMPOUND && aMesh->GetMeshDS()->IsGroupOfSubShapes( shape );
} }
//================================================================================
/*!
* \brief Return maximal tolerance of shape
*/
//================================================================================
double SMESH_MesherHelper::MaxTolerance( const TopoDS_Shape& shape )
{
double tol = Precision::Confusion();
TopExp_Explorer exp;
for ( exp.Init( shape, TopAbs_FACE ); exp.More(); exp.Next() )
tol = Max( tol, BRep_Tool::Tolerance( TopoDS::Face( exp.Current())));
for ( exp.Init( shape, TopAbs_EDGE ); exp.More(); exp.Next() )
tol = Max( tol, BRep_Tool::Tolerance( TopoDS::Edge( exp.Current())));
for ( exp.Init( shape, TopAbs_VERTEX ); exp.More(); exp.Next() )
tol = Max( tol, BRep_Tool::Tolerance( TopoDS::Vertex( exp.Current())));
return tol;
}
//======================================================================= //=======================================================================
//function : IsQuadraticMesh //function : IsQuadraticMesh
//purpose : Check mesh without geometry for: if all elements on this shape are quadratic, //purpose : Check mesh without geometry for: if all elements on this shape are quadratic,

11
src/SMESH/SMESH_MesherHelper.hxx
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@ -42,6 +42,7 @@
#include <vector> #include <vector>
class GeomAPI_ProjectPointOnSurf; class GeomAPI_ProjectPointOnSurf;
class GeomAPI_ProjectPointOnCurve;
typedef std::map<SMESH_TLink, const SMDS_MeshNode*> TLinkNodeMap; typedef std::map<SMESH_TLink, const SMDS_MeshNode*> TLinkNodeMap;
typedef std::map<SMESH_TLink, const SMDS_MeshNode*>::iterator ItTLinkNode; typedef std::map<SMESH_TLink, const SMDS_MeshNode*>::iterator ItTLinkNode;
@ -140,6 +141,8 @@ public:
static bool IsSubShape( const TopoDS_Shape& shape, SMESH_Mesh* aMesh ); static bool IsSubShape( const TopoDS_Shape& shape, SMESH_Mesh* aMesh );
static double MaxTolerance( const TopoDS_Shape& shape );
public: public:
// ---------- PUBLIC INSTANCE METHODS ---------- // ---------- PUBLIC INSTANCE METHODS ----------
@ -230,7 +233,7 @@ public:
const int id = 0, const int id = 0,
const bool force3d = false); const bool force3d = false);
/*! /*!
* Creates quadratic or linear tetraahedron * Creates quadratic or linear tetrahedron
*/ */
SMDS_MeshVolume* AddVolume(const SMDS_MeshNode* n1, SMDS_MeshVolume* AddVolume(const SMDS_MeshNode* n1,
const SMDS_MeshNode* n2, const SMDS_MeshNode* n2,
@ -486,8 +489,10 @@ protected:
double myPar1[2], myPar2[2]; // U and V bounds of a closed periodic surface double myPar1[2], myPar2[2]; // U and V bounds of a closed periodic surface
int myParIndex; // bounds' index (1-U, 2-V, 3-both) int myParIndex; // bounds' index (1-U, 2-V, 3-both)
typedef std::map< int, GeomAPI_ProjectPointOnSurf* > TID2Projector; typedef std::map< int, GeomAPI_ProjectPointOnSurf* > TID2ProjectorOnSurf;
TID2Projector myFace2Projector; TID2ProjectorOnSurf myFace2Projector;
typedef std::map< int, GeomAPI_ProjectPointOnCurve* > TID2ProjectorOnCurve;
TID2ProjectorOnCurve myEdge2Projector;
TopoDS_Shape myShape; TopoDS_Shape myShape;
SMESH_Mesh* myMesh; SMESH_Mesh* myMesh;