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[modules/smesh.git] / src / SMESH / SMESH_MeshEditor.hxx
index e8b403e..544a7dd 100644 (file)
@@ -1,4 +1,4 @@
-// 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
@@ -6,7 +6,7 @@
 // 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
@@ -126,6 +126,12 @@ public:
   // 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.
@@ -169,11 +175,32 @@ public:
                  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 };
@@ -193,6 +220,13 @@ public:
   // 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,
@@ -206,35 +240,100 @@ public:
   // 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
    * is implemented in the next method (see below) which
@@ -246,13 +345,12 @@ public:
    * @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 int            theFlags,
+                            const double         theTolerance = 1.e-6);
   
   /*!
    * Generate new elements by extrusion of theElements
@@ -264,12 +362,9 @@ public:
    *   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);
 
 
   // Generate new elements by extrusion of theElements 
@@ -525,7 +620,8 @@ public:
   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 );
 
@@ -576,18 +672,14 @@ public:
    * \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
@@ -612,7 +704,7 @@ public:
    * \param srcElements - to append elem for each generated element
    */
   void makeWalls (TNodeOfNodeListMap &     mapNewNodes,
-                  TElemOfElemListMap &     newElemsMap,
+                  TTElemOfElemListMap &    newElemsMap,
                   TElemOfVecOfNnlmiMap &   elemNewNodesMap,
                   TIDSortedElemSet&        elemSet,
                   const int                nbSteps,
@@ -655,6 +747,9 @@ public:
                     std::map< const SMDS_MeshNode*, const SMDS_MeshNode* >& theNodeNodeMap,
                     const bool                                              theIsDoubleElem );
 
+  void copyPosition( const SMDS_MeshNode* from,
+                     const SMDS_MeshNode* to );
+
 private:
 
   SMESH_Mesh *            myMesh;