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40b2818f18
Replace hard coded values of element types by new enumeration (added in advanced mesh info Improvement)
354 lines
13 KiB
C++
354 lines
13 KiB
C++
// Copyright (C) 2007-2008 CEA/DEN, EDF R&D, OPEN CASCADE
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//
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// Copyright (C) 2003-2007 OPEN CASCADE, EADS/CCR, LIP6, CEA/DEN,
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// CEDRAT, EDF R&D, LEG, PRINCIPIA R&D, BUREAU VERITAS
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//
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// This library is free software; you can redistribute it and/or
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// modify it under the terms of the GNU Lesser General Public
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// License as published by the Free Software Foundation; either
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// version 2.1 of the License.
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//
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// This library is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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// Lesser General Public License for more details.
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//
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// You should have received a copy of the GNU Lesser General Public
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// License along with this library; if not, write to the Free Software
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// Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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//
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// See http://www.salome-platform.org/ or email : webmaster.salome@opencascade.com
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//
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// SMESH SMESH : implementaion of SMESH idl descriptions
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// File : SMESH_Algo.hxx
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// Author : Paul RASCLE, EDF
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// Module : SMESH
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//
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#ifndef _SMESH_ALGO_HXX_
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#define _SMESH_ALGO_HXX_
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#include "SMESH_SMESH.hxx"
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#include "SMESH_Hypothesis.hxx"
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#include "SMESH_ComputeError.hxx"
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#include "SMESH_Comment.hxx"
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#include <TopoDS_Shape.hxx>
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#include <TopoDS_Edge.hxx>
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#include <GeomAbs_Shape.hxx>
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#include <string>
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#include <vector>
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#include <list>
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#include <map>
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class SMESH_Gen;
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class SMESH_Mesh;
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class SMESH_HypoFilter;
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class TopoDS_Vertex;
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class TopoDS_Face;
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class TopoDS_Shape;
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class SMESHDS_Mesh;
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class SMDS_MeshNode;
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class SMESH_subMesh;
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class SMESH_MesherHelper;
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typedef std::map< SMESH_subMesh*, std::vector<int> > MapShapeNbElems;
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// vector must have size corresponding to EntityType_Last from SMDSAbs:
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typedef std::map< SMESH_subMesh*, std::vector<int> >::iterator MapShapeNbElemsItr;
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class SMESH_EXPORT SMESH_Algo:public SMESH_Hypothesis
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{
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public:
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/*!
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* \brief Creates algorithm
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* \param hypId - algorithm ID
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* \param studyId - study ID
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* \param gen - SMESH_Gen
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*/
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SMESH_Algo(int hypId, int studyId, SMESH_Gen * gen);
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/*!
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* \brief Destructor
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*/
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virtual ~ SMESH_Algo();
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/*!
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* \brief Saves nothing in a stream
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* \param save - the stream
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* \retval virtual std::ostream & - the stream
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*/
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virtual std::ostream & SaveTo(std::ostream & save);
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/*!
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* \brief Loads nothing from a stream
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* \param load - the stream
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* \retval virtual std::ostream & - the stream
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*/
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virtual std::istream & LoadFrom(std::istream & load);
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/*!
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* \brief Returns all types of compatible hypotheses
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*/
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const std::vector < std::string > & GetCompatibleHypothesis();
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/*!
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* \brief Check hypothesis definition to mesh a shape
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* \param aMesh - the mesh
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* \param aShape - the shape
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* \param aStatus - check result
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* \retval bool - true if hypothesis is well defined
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*/
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virtual bool CheckHypothesis(SMESH_Mesh& aMesh,
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const TopoDS_Shape& aShape,
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SMESH_Hypothesis::Hypothesis_Status& aStatus) = 0;
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/*!
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* \brief Computes mesh on a shape
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* \param aMesh - the mesh
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* \param aShape - the shape
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* \retval bool - is a success
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*
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* Algorithms that !NeedDescretBoundary() || !OnlyUnaryInput() are
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* to set SMESH_ComputeError returned by SMESH_submesh::GetComputeError()
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* to report problematic subshapes
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*/
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virtual bool Compute(SMESH_Mesh & aMesh, const TopoDS_Shape & aShape) = 0;
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/*!
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* \brief Computes mesh without geometry
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* \param aMesh - the mesh
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* \param aHelper - helper that must be used for adding elements to \aaMesh
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* \retval bool - is a success
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*
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* The method is called if ( !aMesh->HasShapeToMesh() )
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*/
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virtual bool Compute(SMESH_Mesh & aMesh, SMESH_MesherHelper* aHelper);
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/*!
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* \brief evaluates size of prospective mesh on a shape
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* \param aMesh - the mesh
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* \param aShape - the shape
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* \param aNbElems - prospective number of elements by types
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* \retval bool - is a success
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*/
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virtual bool Evaluate(SMESH_Mesh & aMesh, const TopoDS_Shape & aShape,
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MapShapeNbElems& aResMap) = 0;
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/*!
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* \brief Returns a list of compatible hypotheses used to mesh a shape
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* \param aMesh - the mesh
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* \param aShape - the shape
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* \param ignoreAuxiliary - do not include auxiliary hypotheses in the list
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* \retval const std::list <const SMESHDS_Hypothesis*> - hypotheses list
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*
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* List the hypothesis used by the algorithm associated to the shape.
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* Hypothesis associated to father shape -are- taken into account (see
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* GetAppliedHypothesis). Relevant hypothesis have a name (type) listed in
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* the algorithm. This method could be surcharged by specific algorithms, in
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* case of several hypothesis simultaneously applicable.
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*/
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virtual const std::list <const SMESHDS_Hypothesis *> &
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GetUsedHypothesis(SMESH_Mesh & aMesh,
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const TopoDS_Shape & aShape,
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const bool ignoreAuxiliary=true);
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/*!
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* \brief Returns a list of compatible hypotheses assigned to a shape in a mesh
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* \param aMesh - the mesh
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* \param aShape - the shape
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* \param ignoreAuxiliary - do not include auxiliary hypotheses in the list
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* \retval const std::list <const SMESHDS_Hypothesis*> - hypotheses list
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*
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* List the relevant hypothesis associated to the shape. Relevant hypothesis
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* have a name (type) listed in the algorithm. Hypothesis associated to
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* father shape -are not- taken into account (see GetUsedHypothesis)
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*/
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const list <const SMESHDS_Hypothesis *> &
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GetAppliedHypothesis(SMESH_Mesh & aMesh,
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const TopoDS_Shape & aShape,
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const bool ignoreAuxiliary=true);
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/*!
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* \brief Make the filter recognize only compatible hypotheses
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* \param theFilter - the filter to initialize
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* \param ignoreAuxiliary - make filter ignore compatible auxiliary hypotheses
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* \retval bool - true if the algo has compatible hypotheses
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*/
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bool InitCompatibleHypoFilter( SMESH_HypoFilter & theFilter,
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const bool ignoreAuxiliary) const;
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/*!
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* \brief Just return false as the algorithm does not hold parameters values
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*/
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virtual bool SetParametersByMesh(const SMESH_Mesh* theMesh, const TopoDS_Shape& theShape);
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virtual bool SetParametersByDefaults(const TDefaults& dflts, const SMESH_Mesh* theMesh=0);
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/*!
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* \brief return compute error
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*/
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SMESH_ComputeErrorPtr GetComputeError() const;
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/*!
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* \brief initialize compute error
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*/
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void InitComputeError();
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public:
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// ==================================================================
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// Algo features influencing how Compute() is called:
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// in what turn and with what input shape
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// ==================================================================
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// SMESH_Hypothesis::GetDim();
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// 1 - dimention of target mesh
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bool OnlyUnaryInput() const { return _onlyUnaryInput; }
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// 2 - is collection of tesselatable shapes inacceptable as input;
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// "collection" means a shape containing shapes of dim equal
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// to GetDim().
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// Algo which can process a collection shape should expect
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// an input temporary shape that is neither MainShape nor
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// its child.
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bool NeedDescretBoundary() const { return _requireDescretBoundary; }
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// 3 - is a Dim-1 mesh prerequisite
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bool NeedShape() const { return _requireShape; }
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// 4 - is shape existance required
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bool SupportSubmeshes() const { return _supportSubmeshes; }
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// 5 - whether supports submeshes if !NeedDescretBoundary()
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public:
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// ==================================================================
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// Methods to track non hierarchical dependencies between submeshes
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// ==================================================================
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/*!
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* \brief Sets event listener to submeshes if necessary
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* \param subMesh - submesh where algo is set
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*
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* This method is called when a submesh gets HYP_OK algo_state.
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* After being set, event listener is notified on each event of a submesh.
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* By default non listener is set
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*/
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virtual void SetEventListener(SMESH_subMesh* subMesh);
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/*!
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* \brief Allow algo to do something after persistent restoration
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* \param subMesh - restored submesh
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*
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* This method is called only if a submesh has HYP_OK algo_state.
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*/
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virtual void SubmeshRestored(SMESH_subMesh* subMesh);
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public:
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// ==================================================================
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// Common algo utilities
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// ==================================================================
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/*!
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* \brief Fill vector of node parameters on geometrical edge, including vertex nodes
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* \param theMesh - The mesh containing nodes
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* \param theEdge - The geometrical edge of interest
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* \param theParams - The resulting vector of sorted node parameters
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* \retval bool - false if not all parameters are OK
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*/
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static bool GetNodeParamOnEdge(const SMESHDS_Mesh* theMesh,
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const TopoDS_Edge& theEdge,
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std::vector< double > & theParams);
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/*!
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* \brief Fill map of node parameter on geometrical edge to node it-self
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* \param theMesh - The mesh containing nodes
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* \param theEdge - The geometrical edge of interest
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* \param theNodes - The resulting map
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* \param ignoreMediumNodes - to store medium nodes of quadratic elements or not
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* \retval bool - false if not all parameters are OK
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*/
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static bool GetSortedNodesOnEdge(const SMESHDS_Mesh* theMesh,
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const TopoDS_Edge& theEdge,
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const bool ignoreMediumNodes,
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std::map< double, const SMDS_MeshNode* > & theNodes);
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/*!
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* \brief Find out elements orientation on a geometrical face
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* \param theFace - The face correctly oriented in the shape being meshed
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* \param theMeshDS - The mesh data structure
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* \retval bool - true if the face normal and the normal of first element
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* in the correspoding submesh point in different directions
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*/
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static bool IsReversedSubMesh (const TopoDS_Face& theFace,
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SMESHDS_Mesh* theMeshDS);
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/*!
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* \brief Compute length of an edge
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* \param E - the edge
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* \retval double - the length
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*/
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static double EdgeLength(const TopoDS_Edge & E);
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/*!
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* \brief Return continuity of two edges
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* \param E1 - the 1st edge
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* \param E2 - the 2nd edge
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* \retval GeomAbs_Shape - regularity at the junction between E1 and E2
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*/
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static GeomAbs_Shape Continuity(const TopoDS_Edge & E1, const TopoDS_Edge & E2);
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/*!
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* \brief Return true if an edge can be considered as a continuation of another
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*/
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static bool IsContinuous(const TopoDS_Edge & E1, const TopoDS_Edge & E2) {
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return ( Continuity( E1, E2 ) >= GeomAbs_G1 );
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}
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/*!
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* \brief Return the node built on a vertex
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* \param V - the vertex
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* \param meshDS - mesh
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* \retval const SMDS_MeshNode* - found node or NULL
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*/
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static const SMDS_MeshNode* VertexNode(const TopoDS_Vertex& V,
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const SMESHDS_Mesh* meshDS);
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protected:
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/*!
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* \brief store error and comment and then return ( error == COMPERR_OK )
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*/
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bool error(int error, const SMESH_Comment& comment = "");
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/*!
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* \brief store COMPERR_ALGO_FAILED error and comment and then return false
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*/
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bool error(const SMESH_Comment& comment = "")
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{ return error(COMPERR_ALGO_FAILED, comment); }
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/*!
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* \brief store error and return error->IsOK()
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*/
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bool error(SMESH_ComputeErrorPtr error);
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/*!
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* \brief store a bad input element preventing computation,
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* which may be a temporary one i.e. not residing the mesh,
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* then it will be deleted by InitComputeError()
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*/
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void addBadInputElement(const SMDS_MeshElement* elem);
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protected:
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std::vector<std::string> _compatibleHypothesis;
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std::list<const SMESHDS_Hypothesis *> _appliedHypList;
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std::list<const SMESHDS_Hypothesis *> _usedHypList;
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// Algo features influencing which Compute() and how is called:
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// in what turn and with what input shape.
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// This fields must be redefined if necessary by each descendant at constructor.
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bool _onlyUnaryInput; // mesh one shape of GetDim() at once. Default TRUE
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bool _requireDescretBoundary; // GetDim()-1 mesh must be present. Default TRUE
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bool _requireShape; // work with GetDim()-1 mesh bound to geom only. Default TRUE
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bool _supportSubmeshes; // if !_requireDescretBoundary. Default FALSE
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// quadratic mesh creation required,
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// is usually set trough SMESH_MesherHelper::IsQuadraticSubMesh()
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bool _quadraticMesh;
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int _error; //!< SMESH_ComputeErrorName or anything algo specific
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std::string _comment; //!< any text explaining what is wrong in Compute()
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std::list<const SMDS_MeshElement*> _badInputElements; //!< to explain COMPERR_BAD_INPUT_MESH
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};
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#endif
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