-// SMESH SMESH : implementaion of SMESH idl descriptions
+// Copyright (C) 2007-2008 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.
//
-// Copyright (C) 2003 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.
-//
-// 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
+// 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 : implementaion of SMESH idl descriptions
// File : SMESH_Algo.hxx
// Author : Paul RASCLE, EDF
// Module : SMESH
// $Header$
-
+//
#ifndef _SMESH_ALGO_HXX_
#define _SMESH_ALGO_HXX_
#include "SMESH_SMESH.hxx"
#include "SMESH_Hypothesis.hxx"
+#include "SMESH_ComputeError.hxx"
+#include "SMESH_Comment.hxx"
#include <TopoDS_Shape.hxx>
#include <TopoDS_Edge.hxx>
-#include <gp_XY.hxx>
+#include <GeomAbs_Shape.hxx>
#include <string>
#include <vector>
#include <list>
-#include <map>
class SMESH_Gen;
class SMESH_Mesh;
class SMESH_HypoFilter;
+class TopoDS_Vertex;
class TopoDS_Face;
class TopoDS_Shape;
class SMESHDS_Mesh;
class SMDS_MeshNode;
class SMESH_subMesh;
+class SMESH_MesherHelper;
+
class SMESH_EXPORT SMESH_Algo:public SMESH_Hypothesis
{
* \param aMesh - the mesh
* \param aShape - the shape
* \retval bool - is a success
+ *
+ * Algorithms that !NeedDescretBoundary() || !OnlyUnaryInput() are
+ * to set SMESH_ComputeError returned by SMESH_submesh::GetComputeError()
+ * to report problematic subshapes
*/
virtual bool Compute(SMESH_Mesh & aMesh, const TopoDS_Shape & aShape) = 0;
+ /*!
+ * \brief Computes mesh without geometry
+ * \param aMesh - the mesh
+ * \param aHelper - helper that must be used for adding elements to \aaMesh
+ * \retval bool - is a success
+ *
+ * The method is called if ( !aMesh->HasShapeToMesh() )
+ */
+ virtual bool Compute(SMESH_Mesh & aMesh, SMESH_MesherHelper* aHelper);
+
/*!
* \brief Returns a list of compatible hypotheses used to mesh a shape
* \param aMesh - the mesh
const bool ignoreAuxiliary) const;
/*!
* \brief Initialize my parameter values 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
*
* Just return false as the algorithm does not hold parameters values
*/
virtual bool SetParametersByMesh(const SMESH_Mesh* theMesh,
const TopoDS_Shape& theShape);
-
+ /*!
+ * \brief return compute error
+ */
+ SMESH_ComputeErrorPtr GetComputeError() const;
+ /*!
+ * \brief initialize compute error
+ */
+ void InitComputeError();
public:
// ==================================================================
bool NeedDescretBoundary() const { return _requireDescretBoundary; }
// 3 - is a Dim-1 mesh prerequisite
+ bool NeedShape() const { return _requireShape; }
+ // 4 - is shape existance required
+
+ bool SupportSubmeshes() const { return _supportSubmeshes; }
+ // 5 - whether supports submeshes if !NeedDescretBoundary()
+
+
public:
// ==================================================================
// Methods to track non hierarchical dependencies between submeshes
*/
virtual void SetEventListener(SMESH_subMesh* subMesh);
+ /*!
+ * \brief Allow algo to do something after persistent restoration
+ * \param subMesh - restored submesh
+ *
+ * This method is called only if a submesh has HYP_OK algo_state.
+ */
+ virtual void SubmeshRestored(SMESH_subMesh* subMesh);
+
public:
// ==================================================================
// Common algo utilities
*/
static double EdgeLength(const TopoDS_Edge & E);
+ /*!
+ * \brief Return continuity of two edges
+ * \param E1 - the 1st edge
+ * \param E2 - the 2nd edge
+ * \retval GeomAbs_Shape - regularity at the junction between E1 and E2
+ */
+ static GeomAbs_Shape Continuity(const TopoDS_Edge & E1, const TopoDS_Edge & E2);
+
+ /*!
+ * \brief Return true if an edge can be considered as a continuation of another
+ */
+ static bool IsContinuous(const TopoDS_Edge & E1, const TopoDS_Edge & E2) {
+ return ( Continuity( E1, E2 ) >= GeomAbs_G1 );
+ }
+
+ /*!
+ * \brief Return the node built on a vertex
+ * \param V - the vertex
+ * \param meshDS - mesh
+ * \retval const SMDS_MeshNode* - found node or NULL
+ */
+ static const SMDS_MeshNode* VertexNode(const TopoDS_Vertex& V,
+ SMESHDS_Mesh* meshDS);
protected:
- bool _onlyUnaryInput;
- bool _requireDescretBoundary;
- std::vector<std::string> _compatibleHypothesis;
+
+ /*!
+ * \brief store error and comment and then return ( error == COMPERR_OK )
+ */
+ bool error(int error, const SMESH_Comment& comment = "");
+ /*!
+ * \brief store COMPERR_ALGO_FAILED error and comment and then return false
+ */
+ bool error(const SMESH_Comment& comment = "")
+ { return error(COMPERR_ALGO_FAILED, comment); }
+ /*!
+ * \brief store error and return error->IsOK()
+ */
+ bool error(SMESH_ComputeErrorPtr error);
+ /*!
+ * \brief store a bad input element preventing computation,
+ * which may be a temporary one i.e. not residing the mesh,
+ * then it will be deleted by InitComputeError()
+ */
+ void addBadInputElement(const SMDS_MeshElement* elem);
+
+protected:
+
+ std::vector<std::string> _compatibleHypothesis;
std::list<const SMESHDS_Hypothesis *> _appliedHypList;
std::list<const SMESHDS_Hypothesis *> _usedHypList;
- // quadratic mesh creation required
+ // Algo features influencing which Compute() and how is called:
+ // in what turn and with what input shape.
+ // This fields must be redefined if necessary by each descendant at constructor.
+ bool _onlyUnaryInput; // mesh one shape of GetDim() at once. Default TRUE
+ bool _requireDescretBoundary; // GetDim()-1 mesh must be present. Default TRUE
+ bool _requireShape; // work with GetDim()-1 mesh bound to geom only. Default TRUE
+ bool _supportSubmeshes; // if !_requireDescretBoundary. Default FALSE
+
+ // quadratic mesh creation required,
+ // is usually set trough SMESH_MesherHelper::IsQuadraticSubMesh()
bool _quadraticMesh;
+
+ int _error; //!< SMESH_ComputeErrorName or anything algo specific
+ std::string _comment; //!< any text explaining what is wrong in Compute()
+ std::list<const SMDS_MeshElement*> _badInputElements; //!< to explain COMPERR_BAD_INPUT_MESH
};
#endif
