-// Copyright (C) 2007-2014 CEA/DEN, EDF R&D, OPEN CASCADE
+// Copyright (C) 2007-2021 CEA/DEN, EDF R&D, OPEN CASCADE
//
// Copyright (C) 2003-2007 OPEN CASCADE, EADS/CCR, LIP6, CEA/DEN,
// CEDRAT, EDF R&D, LEG, PRINCIPIA R&D, BUREAU VERITAS
#include "SMESH_SMESH.hxx"
-#include "SMESH_MeshEditor.hxx" // needed for many meshers
-#include <SMDS_MeshNode.hxx>
-#include <SMDS_QuadraticEdge.hxx>
+#include "SMESH_ComputeError.hxx"
+#include "SMESH_TypeDefs.hxx"
#include <Geom_Surface.hxx>
+#include <ShapeAnalysis_Surface.hxx>
#include <TopoDS_Face.hxx>
#include <TopoDS_Shape.hxx>
#include <gp_Pnt2d.hxx>
#include <map>
#include <vector>
-class GeomAPI_ProjectPointOnSurf;
class GeomAPI_ProjectPointOnCurve;
+class GeomAPI_ProjectPointOnSurf;
+class SMDS_MeshNode;
+class SMESHDS_Hypothesis;
+class SMESHDS_Mesh;
+class SMESHDS_SubMesh;
+class SMESH_Gen;
+class SMESH_Mesh;
class SMESH_ProxyMesh;
+class SMESH_subMesh;
+class TopoDS_Edge;
+class TopoDS_Face;
+class TopoDS_Vertex;
typedef std::map<SMESH_TLink, const SMDS_MeshNode*> TLinkNodeMap;
typedef std::map<SMESH_TLink, const SMDS_MeshNode*>::iterator ItTLinkNode;
typedef SMDS_Iterator<const TopoDS_Shape*> PShapeIterator;
typedef boost::shared_ptr< PShapeIterator > PShapeIteratorPtr;
-
+
typedef std::vector<const SMDS_MeshNode* > TNodeColumn;
typedef std::map< double, TNodeColumn > TParam2ColumnMap;
*/
static bool IsStructured( SMESH_subMesh* faceSM );
+ /*!
+ * \brief Return true if 2D mesh on FACE is distored
+ */
+ static bool IsDistorted2D( SMESH_subMesh* faceSM,
+ bool checkUV = false,
+ SMESH_MesherHelper* faceHelper = NULL);
+
/*!
* \brief Returns true if given node is medium
* \param n - node to check
* a0 p0 a1
*/
inline static gp_XY calcTFI(double x, double y,
- const gp_XY a0,const gp_XY a1,const gp_XY a2,const gp_XY a3,
- const gp_XY p0,const gp_XY p1,const gp_XY p2,const gp_XY p3);
+ const gp_XY& a0,const gp_XY& a1,const gp_XY& a2,const gp_XY& a3,
+ const gp_XY& p0,const gp_XY& p1,const gp_XY& p2,const gp_XY& p3);
/*!
* \brief Same as "gp_XY calcTFI(...)" but in 3D
*/
inline static gp_XYZ calcTFI(double x, double y,
- const gp_XYZ a0,const gp_XYZ a1,const gp_XYZ a2,const gp_XYZ a3,
- const gp_XYZ p0,const gp_XYZ p1,const gp_XYZ p2,const gp_XYZ p3);
+ const gp_XYZ& a0,const gp_XYZ& a1,const gp_XYZ& a2,const gp_XYZ& a3,
+ const gp_XYZ& p0,const gp_XYZ& p1,const gp_XYZ& p2,const gp_XYZ& p3);
/*!
* \brief Count nb of sub-shapes
* \param shape - the shape
* \param type - the type of sub-shapes to count
- * \param ignoreSame - if true, use map not to count same shapes, esle use explorer
+ * \param ignoreSame - if true, use map not to count same shapes, else use explorer
* \retval int - the calculated number
*/
static int Count(const TopoDS_Shape& shape,
const SMESH_Mesh& mesh,
TopAbs_ShapeEnum ancestorType=TopAbs_SHAPE);
/*!
- * \brief Return iterator on ancestors of the given type
+ * \brief Return iterator on ancestors of the given type, included into a container shape
*/
static PShapeIteratorPtr GetAncestors(const TopoDS_Shape& shape,
const SMESH_Mesh& mesh,
- TopAbs_ShapeEnum ancestorType);
+ TopAbs_ShapeEnum ancestorType,
+ const TopoDS_Shape* container = 0);
/*!
* \brief Find a common ancestor, of the given type, of two shapes
*/
static bool IsSubShape( const TopoDS_Shape& shape, SMESH_Mesh* aMesh );
+ static bool IsBlock( const TopoDS_Shape& shape );
+
static double MaxTolerance( const TopoDS_Shape& shape );
static double GetAngle( const TopoDS_Edge & E1, const TopoDS_Edge & E2,
static TopAbs_ShapeEnum GetGroupType(const TopoDS_Shape& group,
const bool avoidCompound=false);
+ static TopoDS_Shape GetShapeOfHypothesis( const SMESHDS_Hypothesis * hyp,
+ const TopoDS_Shape& shape,
+ SMESH_Mesh* mesh);
+
public:
// ---------- PUBLIC INSTANCE METHODS ----------
// constructor
SMESH_MesherHelper(SMESH_Mesh& theMesh);
- SMESH_Mesh* GetMesh() const { return myMesh; }
+ SMESH_Gen* GetGen() const;
- SMESHDS_Mesh* GetMeshDS() const { return GetMesh()->GetMeshDS(); }
+ SMESH_Mesh* GetMesh() const { return myMesh; }
+ SMESHDS_Mesh* GetMeshDS() const;
+
/*!
* Check submesh for given shape: if all elements on this shape are quadratic,
* quadratic elements will be created. Also fill myTLinkNodeMap
*/
bool IsQuadraticSubMesh(const TopoDS_Shape& theShape);
- /*!
- * \brief Set order of elements to create without calling IsQuadraticSubMesh()
- */
/*!
- * \brief Set myCreateQuadratic flag
+ * \brief Set order of elements to create without calling IsQuadraticSubMesh()
*/
void SetIsQuadratic(const bool theBuildQuadratic)
{ myCreateQuadratic = theBuildQuadratic; }
/*!
* \brief To set created elements on the shape set by IsQuadraticSubMesh()
- * or the next methods. By defaul elements are set on the shape if
+ * or the next methods. By default elements are set on the shape if
* a mesh has no shape to be meshed
*/
bool SetElementsOnShape(bool toSet)
* \brief Return the shape set by IsQuadraticSubMesh() or SetSubShape()
*/
const TopoDS_Shape& GetSubShape() const { return myShape; }
+ /*!
+ * \brief Copy shape information from another helper to improve performance
+ * since SetSubShape() can be time consuming if there are many edges
+ */
+ void CopySubShapeInfo(const SMESH_MesherHelper& other);
+
+
+ /*!
+ * \brief Convert a shape to its index in the SMESHDS_Mesh
+ */
+ int ShapeToIndex( const TopoDS_Shape& S ) const;
/*!
* Creates a node (!Note ID before u=0.,v0.)
bool * isBadTria=0);
/*!
* \brief Define a pointer to wrapper over a function of gp_XY class,
- * suitable to pass as xyFunPtr to applyIn2D().
- * For exaple gp_XY_FunPtr(Added) defines pointer gp_XY_Added to function
+ * suitable to pass as xyFunPtr to ApplyIn2D().
+ * For example gp_XY_FunPtr(Added) defines pointer gp_XY_Added to function
* calling gp_XY::Added(gp_XY), which is to be used like following
- * applyIn2D(surf, uv1, uv2, gp_XY_Added)
+ * ApplyIn2D(surf, uv1, uv2, gp_XY_Added)
*/
#define gp_XY_FunPtr(meth) \
static gp_XY __gpXY_##meth (const gp_XY& uv1, const gp_XY& uv2) { return uv1.meth( uv2 ); } \
* It takes into account period of the surface. Use gp_XY_FunPtr macro
* to easily define pointer to function of gp_XY class.
*/
- static gp_XY applyIn2D(const Handle(Geom_Surface)& surface,
- const gp_XY& uv1,
- const gp_XY& uv2,
- xyFunPtr fun,
- const bool resultInPeriod=true);
-
+ static gp_XY ApplyIn2D(Handle(Geom_Surface) surface,
+ const gp_XY& uv1,
+ const gp_XY& uv2,
+ xyFunPtr fun,
+ const bool resultInPeriod=true);
+
+ /*!
+ * \brief Move node positions on a FACE within surface period
+ * \param [in] face - the FACE
+ * \param [inout] uv - node positions to adjust
+ * \param [in] nbUV - nb of \a uv
+ */
+ void AdjustByPeriod( const TopoDS_Face& face, gp_XY uv[], const int nbUV );
+
/*!
* \brief Check if inFaceNode argument is necessary for call GetNodeUV(F,..)
- * \retval bool - return true if the face is periodic
- *
- * If F is Null, answer about subshape set through IsQuadraticSubMesh() or
- * SetSubShape()
+ * \retval bool - return true if the face is periodic
+ *
+ * If F is Null, answer about subshape set through IsQuadraticSubMesh() or
+ * SetSubShape()
*/
bool GetNodeUVneedInFaceNode(const TopoDS_Face& F = TopoDS_Face()) const;
/*!
- * \brief Return projector intitialized by given face without location, which is returned
+ * \brief Return projector initialized by given face without location, which is returned
*/
GeomAPI_ProjectPointOnSurf& GetProjector(const TopoDS_Face& F,
TopLoc_Location& loc,
double tol=0 ) const;
+ /*!
+ * \brief Return a cached ShapeAnalysis_Surface of a FACE
+ */
+ Handle(ShapeAnalysis_Surface) GetSurface(const TopoDS_Face& F ) const;
/*!
* \brief Check if shape is a degenerated edge or it's vertex
- * \param subShape - edge or vertex index in SMESHDS
- * \retval bool - true if subShape is a degenerated shape
- *
- * It works only if IsQuadraticSubMesh() or SetSubShape() has been called
+ * \param subShape - edge or vertex index in SMESHDS
+ * \retval bool - true if subShape is a degenerated shape
+ *
+ * It works only if IsQuadraticSubMesh() or SetSubShape() has been called
*/
bool IsDegenShape(const int subShape) const
{ return myDegenShapeIds.find( subShape ) != myDegenShapeIds.end(); }
/*!
* \brief Check if the shape set through IsQuadraticSubMesh() or SetSubShape()
* has a degenerated edges
- * \retval bool - true if it has
+ * \retval bool - true if there are degenerated edges
*/
bool HasDegeneratedEdges() const { return !myDegenShapeIds.empty(); }
+ /*!
+ * \brief Return a number of degenerated edges in the shape set through
+ * IsQuadraticSubMesh() or SetSubShape()
+ * \retval size_t - nb edges
+ */
+ size_t NbDegeneratedEdges() const { return myDegenShapeIds.size(); }
/*!
* \brief Check if shape is a seam edge or it's vertex
* \retval bool - true if subShape is a seam shape
*
* It works only if IsQuadraticSubMesh() or SetSubShape() has been called.
- * Seam shape has two 2D alternative represenations on the face
+ * Seam shape has two 2D alternative representations on the face
*/
bool IsSeamShape(const int subShape) const
{ return mySeamShapeIds.find( subShape ) != mySeamShapeIds.end(); }
* \retval bool - true if subShape is a seam shape
*
* It works only if IsQuadraticSubMesh() or SetSubShape() has been called.
- * Seam shape has two 2D alternative represenations on the face
+ * Seam shape has two 2D alternative representations on the face
*/
bool IsSeamShape(const TopoDS_Shape& subShape) const
- { return IsSeamShape( GetMeshDS()->ShapeToIndex( subShape )); }
+ { return IsSeamShape( ShapeToIndex( subShape )); }
/*!
* \brief Return true if an edge or a vertex encounters twice in face wire
* \param subShape - Id of edge or vertex
* \param subShape - edge or vertex
*/
bool IsRealSeam(const TopoDS_Shape& subShape) const
- { return IsRealSeam( GetMeshDS()->ShapeToIndex( subShape)); }
+ { return IsRealSeam( ShapeToIndex( subShape )); }
/*!
* \brief Check if the shape set through IsQuadraticSubMesh() or SetSubShape()
* has a seam edge, i.e. an edge that has two parametric representations
* \retval bool - true if it has
*/
bool HasRealSeam() const { return HasSeam() && ( *mySeamShapeIds.begin() < 0 ); }
+ /*!
+ * \brief Return a number of real seam edges in the shape set through
+ * IsQuadraticSubMesh() or SetSubShape(). A real seam edge encounters twice in a wire
+ * \retval size_t - nb of real seams
+ */
+ size_t NbRealSeam() const;
/*!
* \brief Return index of periodic parametric direction of a closed face
* \retval int - 1 for U, 2 for V direction
*/
int GetPeriodicIndex() const { return myParIndex; }
+ /*!
+ * \brief Return period in given direction [1,2]
+ */
+ double GetPeriod(int perioIndex) const { return myPar2[ perioIndex-1 ] - myPar1[ perioIndex-1 ]; }
/*!
* \brief Return an alternative parameter for a node on seam
*/
double GetOtherParam(const double param) const;
+ /*!
+ * \brief Check if UV is on seam. Return 0 if not, 1 for U seam, 2 for V seam
+ */
+ int IsOnSeam(const gp_XY& uv) const;
/*!
* \brief Return existing or create new medium nodes between given ones
* \param force3d - true means node creation at the middle between the
* two given nodes, else node position is found on its
* supporting geometrical shape, if any.
+ * \param expectedSupport - shape type corresponding to element being created
+ * , e.g TopAbs_EDGE if SMDSAbs_Edge is created
+ * basing on \a n1 and \a n2
*/
const SMDS_MeshNode* GetMediumNode(const SMDS_MeshNode* n1,
const SMDS_MeshNode* n2,
- const bool force3d);
+ const bool force3d,
+ TopAbs_ShapeEnum expectedSupport=TopAbs_SHAPE);
/*!
* \brief Return existing or create a new central node for a quardilateral
* quadratic face given its 8 nodes.
*/
std::pair<int, TopAbs_ShapeEnum> GetMediumPos(const SMDS_MeshNode* n1,
const SMDS_MeshNode* n2,
- const bool useCurSubShape=false);
+ const bool useCurSubShape=false,
+ TopAbs_ShapeEnum expectedSupport=TopAbs_SHAPE);
/*!
* \brief Add a link in my data structure
*/
virtual ~SMESH_MesherHelper();
+ static void WriteShape(const TopoDS_Shape& s);
+
+
protected:
/*!
* \param uv2 - UV within a face
* \retval gp_Pnt2d - selected UV
*/
- gp_Pnt2d GetUVOnSeam( const gp_Pnt2d& uv1, const gp_Pnt2d& uv2 ) const;
+ gp_Pnt2d getUVOnSeam( const gp_Pnt2d& uv1, const gp_Pnt2d& uv2 ) const;
const SMDS_MeshNode* getMediumNodeOnComposedWire(const SMDS_MeshNode* n1,
const SMDS_MeshNode* n2,
bool force3d);
+
+ double getFaceMaxTol( const TopoDS_Shape& face ) const;
+
+
private:
- // Forbiden copy constructor
+ // forbidden copy constructor
SMESH_MesherHelper (const SMESH_MesherHelper& theOther);
// key of a map of bi-quadratic face to it's central node
double myPar1[2], myPar2[2]; // U and V bounds of a closed periodic surface
int myParIndex; // bounds' index (1-U, 2-V, 3-both)
- typedef std::map< int, GeomAPI_ProjectPointOnSurf* > TID2ProjectorOnSurf;
- TID2ProjectorOnSurf myFace2Projector;
+ std::map< int, double > myFaceMaxTol;
+
+ typedef std::map< int, Handle(ShapeAnalysis_Surface)> TID2Surface;
+ typedef std::map< int, GeomAPI_ProjectPointOnSurf* > TID2ProjectorOnSurf;
typedef std::map< int, GeomAPI_ProjectPointOnCurve* > TID2ProjectorOnCurve;
+ mutable TID2Surface myFace2Surface;
+ TID2ProjectorOnSurf myFace2Projector;
TID2ProjectorOnCurve myEdge2Projector;
TopoDS_Shape myShape;
//=======================================================================
inline gp_XY
SMESH_MesherHelper::calcTFI(double x, double y,
- const gp_XY a0,const gp_XY a1,const gp_XY a2,const gp_XY a3,
- const gp_XY p0,const gp_XY p1,const gp_XY p2,const gp_XY p3)
+ const gp_XY& a0,const gp_XY& a1,const gp_XY& a2,const gp_XY& a3,
+ const gp_XY& p0,const gp_XY& p1,const gp_XY& p2,const gp_XY& p3)
{
return
((1 - y) * p0 + x * p1 + y * p2 + (1 - x) * p3 ) -
//=======================================================================
inline gp_XYZ
SMESH_MesherHelper::calcTFI(double x, double y,
- const gp_XYZ a0,const gp_XYZ a1,const gp_XYZ a2,const gp_XYZ a3,
- const gp_XYZ p0,const gp_XYZ p1,const gp_XYZ p2,const gp_XYZ p3)
+ const gp_XYZ& a0,const gp_XYZ& a1,const gp_XYZ& a2,const gp_XYZ& a3,
+ const gp_XYZ& p0,const gp_XYZ& p1,const gp_XYZ& p2,const gp_XYZ& p3)
{
return
((1 - y) * p0 + x * p1 + y * p2 + (1 - x) * p3 ) -