-// Copyright (C) 2007-2012 CEA/DEN, EDF R&D, OPEN CASCADE
+// Copyright (C) 2007-2015 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;
// ============================================================
/*!
const SMESH_SequenceOfElemPtr& GetLastCreatedNodes() const { return myLastCreatedNodes; }
const SMESH_SequenceOfElemPtr& GetLastCreatedElems() const { return myLastCreatedElems; }
- void CrearLastCreated();
+ void ClearLastCreated();
SMESH_ComputeErrorPtr & GetError() { return myError; }
+ // --------------------------------------------------------------------------------
+ struct ElemFeatures //!< Features of element to create
+ {
+ SMDSAbs_ElementType myType;
+ bool myIsPoly, myIsQuad;
+ int myID;
+ double myBallDiameter;
+ std::vector<int> myPolyhedQuantities;
+
+ ElemFeatures( SMDSAbs_ElementType type=SMDSAbs_All, bool isPoly=false, bool isQuad=false )
+ :myType( type ), myIsPoly(isPoly), myIsQuad(isQuad), myID(-1), myBallDiameter(0) {}
+
+ ElemFeatures& Init( SMDSAbs_ElementType type, bool isPoly=false, bool isQuad=false )
+ { myType = type; myIsPoly = isPoly; myIsQuad = isQuad; return *this; }
+
+ ElemFeatures& Init( const SMDS_MeshElement* elem, bool basicOnly=true );
+
+ ElemFeatures& Init( double diameter )
+ { myType = SMDSAbs_Ball; myBallDiameter = diameter; return *this; }
+
+ ElemFeatures& Init( vector<int>& quanities, bool isQuad=false )
+ { myType = SMDSAbs_Volume; myIsPoly = 1; myIsQuad = isQuad;
+ myPolyhedQuantities.swap( quanities ); return *this; }
+
+ ElemFeatures& Init( const vector<int>& quanities, bool isQuad=false )
+ { myType = SMDSAbs_Volume; myIsPoly = 1; myIsQuad = isQuad;
+ myPolyhedQuantities = quanities; return *this; }
+
+ ElemFeatures& SetPoly(bool isPoly) { myIsPoly = isPoly; return *this; }
+ ElemFeatures& SetQuad(bool isQuad) { myIsQuad = isQuad; return *this; }
+ ElemFeatures& SetID (int ID) { myID = ID; return *this; }
+ };
+
/*!
* \brief Add element
*/
SMDS_MeshElement* AddElement(const std::vector<const SMDS_MeshNode*> & nodes,
- const SMDSAbs_ElementType type,
- const bool isPoly,
- const int ID = -1,
- const double ballDiameter=0.);
+ const ElemFeatures& features);
/*!
* \brief Add element
*/
- SMDS_MeshElement* AddElement(const std::vector<int> & nodeIDs,
- const SMDSAbs_ElementType type,
- const bool isPoly,
- const int ID = -1);
+ SMDS_MeshElement* AddElement(const std::vector<int> & nodeIDs,
+ const ElemFeatures& features);
int Remove (const std::list< int >& theElemIDs, const bool isNodes);
// Remove a node or an element.
// 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.
+ * \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 SplitVolumesIntoTetra (const TIDSortedElemSet & theElems, const int theMethodFlags);
+ void SplitVolumes (const TFacetOfElem & theElems, const int theMethodFlags);
+
+ /*!
+ * \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 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,
+ PGroupIDs RotationSweep (TIDSortedElemSet theElements[2],
const gp_Ax1& theAxis,
const double theAngle,
const int theNbSteps,
// by theAngle by theNbSteps
/*!
- * Auxilary flag for advanced extrusion.
+ * Flags of extrusion.
* BOUNDARY: create or not boundary for result of extrusion
* SEW: try to use existing nodes or create new nodes in any case
+ * GROUPS: to create groups
+ * BY_AVG_NORMAL: step size is measured along average normal to elements,
+ * else step size is measured along average normal of any element
+ * USE_INPUT_ELEMS_ONLY: to use only input elements to compute extrusion direction
+ * for ExtrusionByNormal()
*/
enum ExtrusionFlags {
EXTRUSION_FLAG_BOUNDARY = 0x01,
- EXTRUSION_FLAG_SEW = 0x02
+ EXTRUSION_FLAG_SEW = 0x02,
+ EXTRUSION_FLAG_GROUPS = 0x04,
+ EXTRUSION_FLAG_BY_AVG_NORMAL = 0x08,
+ EXTRUSION_FLAG_USE_INPUT_ELEMS_ONLY = 0x10
};
-
+
/*!
- * special structure for control of extrusion functionality
+ * Generator of nodes for extrusion functionality
*/
- struct ExtrusParam {
- gp_Dir myDir; // direction of extrusion
+ class SMESH_EXPORT ExtrusParam {
+ gp_Dir myDir; // direction of extrusion
Handle(TColStd_HSequenceOfReal) mySteps; // magnitudes for each step
- SMESH_SequenceOfNode myNodes; // nodes for using in sewing
+ SMESH_SequenceOfNode myNodes; // nodes for using in sewing
+ int myFlags; // see ExtrusionFlags
+ double myTolerance; // tolerance for sewing nodes
+ const TIDSortedElemSet* myElemsToUse; // elements to use for extrusion by normal
+
+ int (ExtrusParam::*myMakeNodesFun)(SMESHDS_Mesh* mesh,
+ const SMDS_MeshNode* srcNode,
+ std::list<const SMDS_MeshNode*> & newNodes,
+ const bool makeMediumNodes);
+
+ public:
+ ExtrusParam( const gp_Vec& theStep,
+ const int theNbSteps,
+ const int theFlags = 0,
+ const double theTolerance = 1e-6);
+ ExtrusParam( const gp_Dir& theDir,
+ Handle(TColStd_HSequenceOfReal) theSteps,
+ const int theFlags = 0,
+ const double theTolerance = 1e-6);
+ ExtrusParam( const double theStep,
+ const int theNbSteps,
+ const int theFlags,
+ const int theDim); // for extrusion by normal
+
+ SMESH_SequenceOfNode& ChangeNodes() { return myNodes; }
+ int& Flags() { return myFlags; }
+ bool ToMakeBoundary() const { return myFlags & EXTRUSION_FLAG_BOUNDARY; }
+ bool ToMakeGroups() const { return myFlags & EXTRUSION_FLAG_GROUPS; }
+ bool ToUseInpElemsOnly() const { return myFlags & EXTRUSION_FLAG_USE_INPUT_ELEMS_ONLY; }
+ int NbSteps() const { return mySteps->Length(); }
+
+ // stores elements to use for extrusion by normal, depending on
+ // state of EXTRUSION_FLAG_USE_INPUT_ELEMS_ONLY flag
+ void SetElementsToUse( const TIDSortedElemSet& elems );
+
+ // creates nodes and returns number of nodes added in \a newNodes
+ int MakeNodes( SMESHDS_Mesh* mesh,
+ const SMDS_MeshNode* srcNode,
+ std::list<const SMDS_MeshNode*> & newNodes,
+ const bool makeMediumNodes)
+ {
+ return (this->*myMakeNodesFun)( mesh, srcNode, newNodes, makeMediumNodes );
+ }
+ private:
+
+ int makeNodesByDir( SMESHDS_Mesh* mesh,
+ const SMDS_MeshNode* srcNode,
+ std::list<const SMDS_MeshNode*> & newNodes,
+ const bool makeMediumNodes);
+ int makeNodesByDirAndSew( SMESHDS_Mesh* mesh,
+ const SMDS_MeshNode* srcNode,
+ std::list<const SMDS_MeshNode*> & newNodes,
+ const bool makeMediumNodes);
+ int makeNodesByNormal2D( SMESHDS_Mesh* mesh,
+ const SMDS_MeshNode* srcNode,
+ std::list<const SMDS_MeshNode*> & newNodes,
+ const bool makeMediumNodes);
+ int makeNodesByNormal1D( SMESHDS_Mesh* mesh,
+ const SMDS_MeshNode* srcNode,
+ std::list<const SMDS_MeshNode*> & newNodes,
+ const bool makeMediumNodes);
+ // step iteration
+ void beginStepIter( bool withMediumNodes );
+ bool moreSteps();
+ double nextStep();
+ std::vector< double > myCurSteps;
+ bool myWithMediumNodes;
+ int myNextStep;
};
- /*!
- * Create new node in the mesh with given coordinates
- * (auxiliary for advanced extrusion)
- */
- const SMDS_MeshNode* CreateNode(const double x,
- const double y,
- const double z,
- const double tolnode,
- SMESH_SequenceOfNode& aNodes);
-
/*!
* Generate new elements by extrusion of theElements
* It is a method used in .idl file. All functionality
* @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[2],
+ const gp_Vec& theStep,
+ const int theNbSteps,
+ TTElemOfElemListMap& newElemsMap,
+ const int theFlags,
+ 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[2],
+ ExtrusParam& theParams,
+ TTElemOfElemListMap& newElemsMap);
// Generate new elements by extrusion of theElements
EXTR_CANT_GET_TANGENT
};
- Extrusion_Error ExtrusionAlongTrack (TIDSortedElemSet & theElements,
+ Extrusion_Error ExtrusionAlongTrack (TIDSortedElemSet theElements[2],
SMESH_subMesh* theTrackPattern,
const SMDS_MeshNode* theNodeStart,
const bool theHasAngles,
const bool theHasRefPoint,
const gp_Pnt& theRefPoint,
const bool theMakeGroups);
- Extrusion_Error ExtrusionAlongTrack (TIDSortedElemSet & theElements,
+ Extrusion_Error ExtrusionAlongTrack (TIDSortedElemSet theElements[2],
SMESH_Mesh* theTrackPattern,
const SMDS_MeshNode* theNodeStart,
const bool theHasAngles,
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,
const double theTolerance,
- TListOfListOfNodes & theGroupsOfNodes);
+ TListOfListOfNodes & theGroupsOfNodes,
+ bool theSeparateCornersAndMedium);
// Return list of group of nodes close to each other within theTolerance.
// Search among theNodes or in the whole mesh if theNodes is empty.
// 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 > 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,
const TopoDS_Edge& aTrackEdge,
bool aFirstIsStart,
std::list<SMESH_MeshEditor_PathPoint>& aLPP);
- Extrusion_Error MakeExtrElements(TIDSortedElemSet& theElements,
+ Extrusion_Error MakeExtrElements(TIDSortedElemSet theElements[2],
std::list<SMESH_MeshEditor_PathPoint>& theFullList,
const bool theHasAngles,
std::list<double>& theAngles,
void LinearAngleVariation(const int NbSteps,
list<double>& theAngles);
- bool doubleNodes( SMESHDS_Mesh* theMeshDS,
- const TIDSortedElemSet& theElems,
- const TIDSortedElemSet& theNodesNot,
- std::map< const SMDS_MeshNode*, const SMDS_MeshNode* >& theNodeNodeMap,
- const bool theIsDoubleElem );
+ bool doubleNodes( SMESHDS_Mesh* theMeshDS,
+ const TIDSortedElemSet& theElems,
+ const TIDSortedElemSet& theNodesNot,
+ TNodeNodeMap& theNodeNodeMap,
+ const bool theIsDoubleElem );
+
+ void copyPosition( const SMDS_MeshNode* from,
+ const SMDS_MeshNode* to );
private:
