--- /dev/null
+// Copyright (C) 2007-2020 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, 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
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+// Lesser General Public License for more details.
+//
+// You should have received a copy of the GNU Lesser General Public
+// License along with this library; if not, write to the Free Software
+// Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+//
+// See http://www.salome-platform.org/ or email : webmaster.salome@opencascade.com
+//
+
+// SMESH SMESH : implementation of SMESH idl descriptions
+// File : StdMeshers_BlockRenumber.hxx
+// Author : Edward AGAPOV, OCC
+// Module : SMESH
+//
+#ifndef _SMESH_BlockRenumber_HXX_
+#define _SMESH_BlockRenumber_HXX_
+
+#include "SMESH_StdMeshers.hxx"
+
+#include "SMESH_ComputeError.hxx"
+#include "SMESH_Hypothesis.hxx"
+#include "SMESH_MeshEditor.hxx"
+
+#include <NCollection_DataMap.hxx>
+#include <TopTools_MapOfShape.hxx>
+#include <TopoDS_Vertex.hxx>
+
+#include <boost/serialization/vector.hpp>
+#include <map>
+
+class SMESH_Mesh;
+class TopoDS_Shape;
+class TopoDS_TShape;
+class TopoDS_Vertex;
+
+// =========================================================
+struct StdMeshers_BlockCS // Local coordinate system of a block
+{
+ std::string _solid;
+ std::string _vertex000;
+ std::string _vertex001;
+
+ bool operator==( const StdMeshers_BlockCS& other ) const
+ {
+ return ( _solid == other._solid &&
+ _vertex000 == other._vertex000 &&
+ _vertex001 == other._vertex001 );
+ }
+};
+
+// =========================================================
+/*!
+ * \class 3D Hypothesis used by Hexahedron(ijk) algorithm
+ * to renumber mesh of a block to be structured-like
+ */
+// =========================================================
+
+class STDMESHERS_EXPORT StdMeshers_BlockRenumber : public SMESH_Hypothesis
+{
+public:
+ StdMeshers_BlockRenumber(int hypId, SMESH_Gen * gen);
+
+ void SetBlocksOrientation( std::vector< StdMeshers_BlockCS > & blockCS );
+
+ const std::vector< StdMeshers_BlockCS > & GetBlocksOrientation() const { return _blockCS; }
+
+ virtual std::ostream & SaveTo(std::ostream & save) override;
+ virtual std::istream & LoadFrom(std::istream & load) override;
+
+ /*!
+ * \brief Initialize Fineness by the mesh built on the geometry
+ * \param theMesh - the built mesh
+ * \param theShape - the geometry of interest
+ * \retval bool - true if parameter values have been successfully defined
+ */
+ bool SetParametersByMesh(const SMESH_Mesh* theMesh, const TopoDS_Shape& theShape) override
+ { return false; }
+
+ /*!
+ * \brief Initialize my parameter values by default parameters.
+ * \retval bool - true if parameter values have been successfully defined
+ */
+ bool SetParametersByDefaults(const TDefaults& dflts, const SMESH_Mesh* theMesh=0) override
+ { return false; }
+
+ public:
+
+ /*!
+ * \brief Check validity of parameter
+ */
+ SMESH_ComputeErrorPtr CheckHypothesis(SMESH_Mesh& theMesh, const TopoDS_Shape& theShape) const;
+
+ /*!
+ * \brief Return true and vertices if block orientation is defined for a given solid
+ */
+ bool IsSolidIncluded( SMESH_Mesh& mesh,
+ const TopoDS_Shape& solid,
+ TopoDS_Vertex& vertex000,
+ TopoDS_Vertex& vertex001 ) const;
+
+ private:
+
+ // Persistence: define both input and output at once
+ friend class boost::serialization::access;
+ template<class Archive> void serialize( Archive & ar, const unsigned int version )
+ {
+ ar & _blockCS;
+ }
+
+ protected:
+
+ std::vector< StdMeshers_BlockCS > _blockCS;
+
+ typedef NCollection_DataMap< TopoDS_Shape, std::pair< TopoDS_Vertex, TopoDS_Vertex > > TSolid2VV;
+ TSolid2VV _solids2vertices; // shapes defined by _blockCS, non-persistent
+};
+
+// =========================================================
+/*!
+ * \brief Help in using StdMeshers_BlockRenumber
+ */
+class StdMeshers_RenumberHelper
+{
+public:
+
+ StdMeshers_RenumberHelper( SMESH_Mesh& mesh,
+ const StdMeshers_BlockRenumber* hyp);
+ /*!
+ * \brief Find default vertex at (0,0,0) local position
+ */
+ static TopoDS_Vertex GetVertex000( const TopTools_MapOfShape& cornerVertices );
+
+ /*!
+ * \brief Find a vertex of a solid located at the given point
+ */
+ static TopoDS_Vertex GetVertexAtPoint( const TopoDS_Shape& solid, const TopoDS_Shape& point );
+
+ /*!
+ * \brief Create a copy of an old node and remember this couple of nodes for replacement
+ */
+ void AddReplacingNode( const SMDS_MeshNode* & oldNode );
+
+ /*!
+ * \brief Replace old nodes by new ones
+ */
+ void DoReplaceNodes();
+
+private:
+
+ SMESH_Mesh* _mesh;
+ const StdMeshers_BlockRenumber* _hyp;
+
+ SMESH_MeshEditor::TListOfListOfNodes _nodesToMerge;
+ std::list< const SMDS_MeshNode* > _newOldNodes;
+};
+
+#endif
