-// Copyright (C) 2007-2013 CEA/DEN, EDF R&D, OPEN CASCADE
+// Copyright (C) 2007-2014 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
// This library is free software; you can redistribute it and/or
// modify it under the terms of the GNU Lesser General Public
// License as published by the Free Software Foundation; either
-// version 2.1 of the License.
+// version 2.1 of the License, or (at your option) any later version.
//
// This library is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
class gp_Vec;
class gp_Pnt;
class SMESH_MesherHelper;
-
-
-//=======================================================================
-/*!
- * \brief Searcher for the node closest to point
- */
-//=======================================================================
-struct SMESH_NodeSearcher
-{
- virtual const SMDS_MeshNode* FindClosestTo( const gp_Pnt& pnt ) = 0;
- virtual void MoveNode( const SMDS_MeshNode* node, const gp_Pnt& toPnt ) = 0;
-};
-
-//=======================================================================
-/*!
- * \brief Searcher for elements
- */
-//=======================================================================
-
-struct SMESH_ElementSearcher
-{
- /*!
- * \brief Find elements of given type where the given point is IN or ON.
- * Returns nb of found elements and elements them-selves.
- *
- * 'ALL' type means elements of any type excluding nodes and 0D elements
- */
- virtual int FindElementsByPoint(const gp_Pnt& point,
- SMDSAbs_ElementType type,
- std::vector< const SMDS_MeshElement* >& foundElems)=0;
- /*!
- * \brief Return an element most close to the given point
- */
- virtual const SMDS_MeshElement* FindClosestTo( const gp_Pnt& point,
- SMDSAbs_ElementType type) = 0;
- /*!
- * \brief Return elements possibly intersecting the line
- */
- virtual void GetElementsNearLine( const gp_Ax1& line,
- SMDSAbs_ElementType type,
- std::vector< const SMDS_MeshElement* >& foundElems)=0;
- /*!
- * \brief Find out if the given point is out of closed 2D mesh.
- */
- virtual TopAbs_State GetPointState(const gp_Pnt& point) = 0;
-
-};
+class SMESH_NodeSearcher;
// ============================================================
/*!
// Reverse theFaces whose orientation to be same as that of theFace
// oriented according to theDirection. Return nb of reoriented faces
+ int Reorient2DBy3D (TIDSortedElemSet & theFaces,
+ TIDSortedElemSet & theVolumes,
+ const bool theOutsideNormal);
+ // Reorient faces basing on orientation of adjacent volumes.
+ // Return nb of reoriented faces
+
/*!
* \brief Fuse neighbour triangles into quadrangles.
* \param theElems - The triangles to be fused.
bool TriToQuad (TIDSortedElemSet & theElems,
SMESH::Controls::NumericalFunctorPtr theCriterion,
const double theMaxAngle);
-
/*!
* \brief Split quadrangles into triangles.
* \param theElems - The faces to be splitted.
*/
bool QuadToTri (TIDSortedElemSet & theElems,
SMESH::Controls::NumericalFunctorPtr theCriterion);
-
/*!
* \brief Split quadrangles into triangles.
* \param theElems - The faces to be splitted.
*/
bool QuadToTri (TIDSortedElemSet & theElems,
const bool the13Diag);
+ /*!
+ * \brief Split each of given quadrangles into 4 triangles.
+ * \param theElems - The faces to be splitted. If empty all faces are split.
+ */
+ void QuadTo4Tri (TIDSortedElemSet & theElems);
/*!
* \brief Find better diagonal for splitting.
SMESH::Controls::NumericalFunctorPtr theCriterion);
- enum SplitVolumToTetraFlags { HEXA_TO_5 = 1, HEXA_TO_6 = 2, HEXA_TO_24 = 3 };//!<arg of SplitVolumesIntoTetra()
+ typedef std::map < const SMDS_MeshElement*, int, TIDCompare > TFacetOfElem;
+
+ //!<2nd arg of SplitVolumes()
+ enum SplitVolumToTetraFlags { HEXA_TO_5 = 1, // split into tetrahedra
+ HEXA_TO_6,
+ HEXA_TO_24,
+ HEXA_TO_2_PRISMS, // split into prisms
+ HEXA_TO_4_PRISMS };
+ /*!
+ * \brief Split volumic elements into tetrahedra or prisms.
+ * If facet ID < 0, element is split into tetrahedra,
+ * else a hexahedron is split into prisms so that the given facet is
+ * split into triangles
+ */
+ void SplitVolumes (const TFacetOfElem & theElems, const int theMethodFlags);
+
/*!
- * \brief Split volumic elements into tetrahedra.
+ * \brief For hexahedra that will be split into prisms, finds facets to
+ * split into triangles
+ * \param [in,out] theHexas - the hexahedra
+ * \param [in] theFacetNormal - facet normal
+ * \param [out] theFacets - the hexahedra and found facet IDs
*/
- void SplitVolumesIntoTetra (const TIDSortedElemSet & theElems, const int theMethodFlags);
+ void GetHexaFacetsToSplit( TIDSortedElemSet& theHexas,
+ const gp_Ax1& theFacetNormal,
+ TFacetOfElem & theFacets);
enum SmoothMethod { LAPLACIAN = 0, CENTROIDAL };
// If the2D, smoothing is performed using UV parameters of nodes
// on geometrical faces
+ typedef TIDTypeCompare TElemSort;
+ typedef std::map < const SMDS_MeshElement*,
+ std::list<const SMDS_MeshElement*>, TElemSort > TTElemOfElemListMap;
+ typedef std::map<const SMDS_MeshNode*, std::list<const SMDS_MeshNode*> > TNodeOfNodeListMap;
+ typedef TNodeOfNodeListMap::iterator TNodeOfNodeListMapItr;
+ typedef std::vector<TNodeOfNodeListMapItr> TVecOfNnlmiMap;
+ typedef std::map<const SMDS_MeshElement*, TVecOfNnlmiMap, TElemSort > TElemOfVecOfNnlmiMap;
typedef std::auto_ptr< std::list<int> > PGroupIDs;
PGroupIDs RotationSweep (TIDSortedElemSet & theElements,
* @param theTolerance - uses for comparing locations of nodes if flag
* EXTRUSION_FLAG_SEW is set
*/
- PGroupIDs ExtrusionSweep (TIDSortedElemSet & theElems,
- const gp_Vec& theStep,
- const int theNbSteps,
- TElemOfElemListMap& newElemsMap,
- const bool theMakeGroups,
- const int theFlags = EXTRUSION_FLAG_BOUNDARY,
- const double theTolerance = 1.e-6);
+ PGroupIDs ExtrusionSweep (TIDSortedElemSet & theElems,
+ const gp_Vec& theStep,
+ const int theNbSteps,
+ TTElemOfElemListMap& newElemsMap,
+ const bool theMakeGroups,
+ const int theFlags = EXTRUSION_FLAG_BOUNDARY,
+ const double theTolerance = 1.e-6);
/*!
* Generate new elements by extrusion of theElements
* EXTRUSION_FLAG_SEW is set
* @param theParams - special structure for manage of extrusion
*/
- PGroupIDs ExtrusionSweep (TIDSortedElemSet & theElems,
- ExtrusParam& theParams,
- TElemOfElemListMap& newElemsMap,
- const bool theMakeGroups,
- const int theFlags,
- const double theTolerance);
+ PGroupIDs ExtrusionSweep (TIDSortedElemSet & theElems,
+ ExtrusParam& theParams,
+ TTElemOfElemListMap& newElemsMap,
+ const bool theMakeGroups,
+ const int theFlags,
+ const double theTolerance);
// Generate new elements by extrusion of theElements
SMESH_Mesh* theTargetMesh=0);
// Move or copy theElements applying theTrsf to their nodes
- /*!
- * \brief Return SMESH_NodeSearcher. The caller is responsible for deleteing it
- */
- SMESH_NodeSearcher* GetNodeSearcher();
-
- /*!
- * \brief Return SMESH_ElementSearcher. The caller is responsible for deleting it
- */
- SMESH_ElementSearcher* GetElementSearcher();
- SMESH_ElementSearcher* GetElementSearcher( SMDS_ElemIteratorPtr elemIt );
-
typedef std::list< std::list< const SMDS_MeshNode* > > TListOfListOfNodes;
void FindCoincidentNodes (TIDSortedNodeSet & theNodes,
// Remove all but one of elements built on the same nodes.
// Return nb of successfully merged groups.
- /*!
- * \brief Return true if the point is IN or ON of the element
- */
- static bool IsOut( const SMDS_MeshElement* element, const gp_Pnt& point, double tol );
-
- static double GetDistance( const SMDS_MeshFace* face, const gp_Pnt& point );
-
- int SimplifyFace (const std::vector<const SMDS_MeshNode *> faceNodes,
- std::vector<const SMDS_MeshNode *>& poly_nodes,
- std::vector<int>& quantities) const;
+ int SimplifyFace (const std::vector<const SMDS_MeshNode *>& faceNodes,
+ std::vector<const SMDS_MeshNode *>& poly_nodes,
+ std::vector<int>& quantities) const;
// Split face, defined by <faceNodes>, into several faces by repeating nodes.
// Is used by MergeNodes()
TIDSortedElemSet & linkedNodes,
SMDSAbs_ElementType type = SMDSAbs_All );
- static const SMDS_MeshElement* FindFaceInSet(const SMDS_MeshNode* n1,
- const SMDS_MeshNode* n2,
- const TIDSortedElemSet& elemSet,
- const TIDSortedElemSet& avoidSet,
- int* i1=0,
- int* i2=0);
- // Return a face having linked nodes n1 and n2 and which is
- // - not in avoidSet,
- // - in elemSet provided that !elemSet.empty()
- // i1 and i2 optionally returns indices of n1 and n2
-
/*!
* \brief Find corresponding nodes in two sets of faces
* \param theSide1 - first face set
// Return an index of the shape theElem is on
// or zero if a shape not found
+ void DoubleElements( const TIDSortedElemSet& theElements );
+
bool DoubleNodes( const std::list< int >& theListOfNodes,
const std::list< int >& theListOfModifiedElems );
double OrientedAngle(const gp_Pnt& p0, const gp_Pnt& p1, const gp_Pnt& g1, const gp_Pnt& g2);
bool DoubleNodesOnGroupBoundaries( const std::vector<TIDSortedElemSet>& theElems,
- bool createJointElems);
+ bool createJointElems,
+ bool onAllBoundaries);
bool CreateFlatElementsOnFacesGroups( const std::vector<TIDSortedElemSet>& theElems );
* \param nodeGens - nodes making corresponding myLastCreatedNodes
* \param elemGens - elements making corresponding myLastCreatedElems
* \param postfix - to append to names of new groups
+ * \param targetMesh - mesh to create groups in
+ * \param topPresent - is there "top" elements that are created by sweeping
*/
PGroupIDs generateGroups(const SMESH_SequenceOfElemPtr& nodeGens,
const SMESH_SequenceOfElemPtr& elemGens,
const std::string& postfix,
- SMESH_Mesh* targetMesh=0);
-
-
- typedef std::map<const SMDS_MeshNode*, std::list<const SMDS_MeshNode*> > TNodeOfNodeListMap;
- typedef TNodeOfNodeListMap::iterator TNodeOfNodeListMapItr;
- typedef std::vector<TNodeOfNodeListMapItr> TVecOfNnlmiMap;
- typedef std::map<const SMDS_MeshElement*, TVecOfNnlmiMap, TIDCompare > TElemOfVecOfNnlmiMap;
-
+ SMESH_Mesh* targetMesh=0,
+ const bool topPresent=true);
/*!
* \brief Create elements by sweeping an element
* \param elem - element to sweep
* \param srcElements - to append elem for each generated element
*/
void makeWalls (TNodeOfNodeListMap & mapNewNodes,
- TElemOfElemListMap & newElemsMap,
+ TTElemOfElemListMap & newElemsMap,
TElemOfVecOfNnlmiMap & elemNewNodesMap,
TIDSortedElemSet& elemSet,
const int nbSteps,
