-// Copyright (C) 2007-2008 CEA/DEN, EDF R&D, OPEN CASCADE
+// Copyright (C) 2007-2010 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
//
// See http://www.salome-platform.org/ or email : webmaster.salome@opencascade.com
//
+
// File: SMESH_MesherHelper.hxx
// Created: 15.02.06 14:48:09
// Author: Sergey KUUL
#include <gp_Pnt2d.hxx>
#include <map>
+#include <vector>
+
+class GeomAPI_ProjectPointOnSurf;
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;
+
+typedef gp_XY (*xyFunPtr)(const gp_XY& uv1, const gp_XY& uv2);
+
+//=======================================================================
/*!
* \brief It helps meshers to add elements
*
* It defines degree of elements to create when IsQuadraticSubMesh()
* is called.
*/
-
-typedef std::vector<const SMDS_MeshNode* > TNodeColumn;
-typedef std::map< double, TNodeColumn > TParam2ColumnMap;
+//=======================================================================
class SMESH_EXPORT SMESH_MesherHelper
{
static int NbAncestors(const TopoDS_Shape& shape,
const SMESH_Mesh& mesh,
TopAbs_ShapeEnum ancestorType=TopAbs_SHAPE);
+ /*!
+ * \brief Return iterator on ancestors of the given type
+ */
+ static PShapeIteratorPtr GetAncestors(const TopoDS_Shape& shape,
+ const SMESH_Mesh& mesh,
+ TopAbs_ShapeEnum ancestorType);
+
+ /*!
+ * \brief Return orientation of sub-shape in the main shape
+ */
+ static TopAbs_Orientation GetSubShapeOri(const TopoDS_Shape& shape,
+ const TopoDS_Shape& subShape);
+
+ static bool IsSubShape( const TopoDS_Shape& shape, const TopoDS_Shape& mainShape );
+
+ static bool IsSubShape( const TopoDS_Shape& shape, SMESH_Mesh* aMesh );
+
+ static double MaxTolerance( const TopoDS_Shape& shape );
+
public:
// ---------- PUBLIC INSTANCE METHODS ----------
*/
void SetElementsOnShape(bool toSet) { mySetElemOnShape = toSet; }
- /*!
- * \brief Enable/disable checking of node parameters on shapes while adding elements.
- * In case of incorrect parameters mudium node place is computed as the middle
- * of two nodes. Default is false.
- * NOTE that this flag is reset to "not to check" if check with non-default partameter
- * is successful
- */
- void SetCheckNodePosition(bool toCheck) { myCheckNodePos = toCheck; }
-
/*!
* \brief Set shape to make elements on without calling IsQuadraticSubMesh()
*/
/*!
* \brief Return the shape set by IsQuadraticSubMesh() or SetSubShape()
*/
- TopoDS_Shape GetSubShape() const { return myShape; }
+ const TopoDS_Shape& GetSubShape() const { return myShape; }
/*!
* Creates a node
const SMDS_MeshNode* n4,
const int id = 0,
const bool force3d = false);
+
+ /*!
+ * Creates polygon, with additional nodes in quadratic mesh
+ */
+ SMDS_MeshFace* AddPolygonalFace (const std::vector<const SMDS_MeshNode*>& nodes,
+ const int id = 0,
+ const bool force3d = false);
/*!
* Creates quadratic or linear tetraahedron
*/
const SMDS_MeshNode* n8,
const int id = 0,
bool force3d = true);
+
+ /*!
+ * Creates polyhedron. In quadratic mesh, adds medium nodes
+ */
+ SMDS_MeshVolume* AddPolyhedralVolume (const std::vector<const SMDS_MeshNode*>& nodes,
+ const std::vector<int>& quantities,
+ const int ID=0,
+ const bool force3d = true);
/*!
* \brief Return U of the given node on the edge
*/
double GetNodeU(const TopoDS_Edge& theEdge,
const SMDS_MeshNode* theNode,
+ const SMDS_MeshNode* inEdgeNode=0,
bool* check=0);
/*!
* \brief Return node UV on face
const SMDS_MeshNode* n,
const SMDS_MeshNode* inFaceNode=0,
bool* check=0) const;
+ /*!
+ * \brief Check and fix node UV on a face
+ * \param force - check even if checks of other nodes on this face passed OK
+ * \retval bool - false if UV is bad and could not be fixed
+ */
+ bool CheckNodeUV(const TopoDS_Face& F,
+ const SMDS_MeshNode* n,
+ gp_XY& uv,
+ const double tol,
+ const bool force=false) const;
+ /*!
+ * \brief Check and fix node U on an edge
+ * \param force - check even if checks of other nodes on this edge passed OK
+ * \retval bool - false if U is bad and could not be fixed
+ */
+ bool CheckNodeU(const TopoDS_Edge& E,
+ const SMDS_MeshNode* n,
+ double& u,
+ const double tol,
+ const bool force=false,
+ double* distance=0) const;
/*!
* \brief Return middle UV taking in account surface period
*/
static gp_XY GetMiddleUV(const Handle(Geom_Surface)& surface,
const gp_XY& uv1,
const gp_XY& uv2);
+ /*!
+ * \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
+ * calling gp_XY::Added(gp_XY), which is to be used like following
+ * 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 ); } \
+ static xyFunPtr gp_XY_##meth = & __gpXY_##meth
+
+ /*!
+ * \brief Perform given operation on two 2d points in parameric space of given surface.
+ * It takes into account period of the surface. Use gp_XY_FunPtr macro
+ * to easily define pointer to function of gp_XY class.
+ */
+ static gp_XY applyIn2D(const Handle(Geom_Surface)& surface,
+ const gp_XY& uv1,
+ const gp_XY& uv2,
+ xyFunPtr fun,
+ const bool resultInPeriod=true);
+
/*!
* \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
+ * 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
+ */
+ GeomAPI_ProjectPointOnSurf& GetProjector(const TopoDS_Face& F,
+ TopLoc_Location& loc,
+ double tol=0 ) const;
+
/*!
* \brief Check if shape is a degenerated edge or it's vertex
* \param subShape - edge or vertex index in SMESHDS
*/
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
+ */
+ bool HasDegeneratedEdges() const { return !myDegenShapeIds.empty(); }
+
/*!
* \brief Check if shape is a seam edge or it's vertex
* \param subShape - edge or vertex index in SMESHDS
*/
double GetOtherParam(const double param) const;
- /**
- * Special function for search or creation medium node
+ /*!
+ * \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.
*/
const SMDS_MeshNode* GetMediumNode(const SMDS_MeshNode* n1,
const SMDS_MeshNode* n2,
const bool force3d);
/*!
- * Auxilary function for filling myTLinkNodeMap
+ * \brief Add a link in my data structure
*/
void AddTLinkNode(const SMDS_MeshNode* n1,
const SMDS_MeshNode* n2,
const SMDS_MeshNode* n12);
- /**
- * Auxilary function for filling myTLinkNodeMap
+ /*!
+ * \brief Add many links in my data structure
*/
void AddTLinkNodeMap(const TLinkNodeMap& aMap)
{ myTLinkNodeMap.insert(aMap.begin(), aMap.end()); }
enum MType{ LINEAR, QUADRATIC, COMP };
MType IsQuadraticMesh();
+ virtual ~SMESH_MesherHelper();
+
protected:
/*!
*/
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);
private:
// Forbiden copy constructor
std::set< int > myDegenShapeIds;
std::set< int > mySeamShapeIds;
- double myPar1, myPar2; // bounds of a closed periodic surface
- int myParIndex; // bounds' index (1-U, 2-V)
+ 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* > TID2Projector;
+ TID2Projector myFace2Projector;
TopoDS_Shape myShape;
SMESH_Mesh* myMesh;
// to create quadratic elements
bool myCreateQuadratic;
bool mySetElemOnShape;
- bool myCheckNodePos;
+ std::set< int > myOkNodePosShapes;
};
