-// Copyright (C) 2007-2012 CEA/DEN, EDF R&D, OPEN CASCADE
+// Copyright (C) 2007-2016 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
// See http://www.salome-platform.org/ or email : webmaster.salome@opencascade.com
//
-// SMESH SMESH : implementaion of SMESH idl descriptions
+// SMESH SMESH : implementation of SMESH idl descriptions
// File : SMESH_Algo.hxx
// Author : Paul RASCLE, EDF
// Module : SMESH
#include "SMESH_SMESH.hxx"
-#include "SMESH_Hypothesis.hxx"
-#include "SMESH_ComputeError.hxx"
+#include "SMDSAbs_ElementType.hxx"
#include "SMESH_Comment.hxx"
+#include "SMESH_ComputeError.hxx"
+#include "SMESH_Hypothesis.hxx"
-#include <TopoDS_Shape.hxx>
-#include <TopoDS_Edge.hxx>
#include <GeomAbs_Shape.hxx>
#include <string>
#include <vector>
#include <list>
#include <map>
+#include <set>
+class SMDS_MeshNode;
+class SMESHDS_Mesh;
+class SMESHDS_SubMesh;
class SMESH_Gen;
-class SMESH_Mesh;
class SMESH_HypoFilter;
-class TopoDS_Vertex;
-class TopoDS_Wire;
+class SMESH_Mesh;
+class SMESH_MesherHelper;
+class SMESH_ProxyMesh;
+class SMESH_subMesh;
+class TopoDS_Edge;
class TopoDS_Face;
class TopoDS_Shape;
-class SMESHDS_Mesh;
-class SMDS_MeshNode;
-class SMESH_subMesh;
-class SMESH_MesherHelper;
+class TopoDS_Vertex;
+class TopoDS_Wire;
class gp_XYZ;
typedef std::map< SMESH_subMesh*, std::vector<int> > MapShapeNbElems;
typedef std::map< SMESH_subMesh*, std::vector<int> >::iterator MapShapeNbElemsItr;
+// ==================================================================================
/*!
* \brief Root of all algorithms
*
* Methods of the class are grouped into several parts:
* - main lifecycle methods, like Compute()
* - methods describing features of the algorithm, like NeedShape()
- * - methods related to dependencies between sub-meshes imposed by the algorith
+ * - methods related to dependencies between sub-meshes imposed by the algorithm
* - static utilities, like EdgeLength()
*/
-class SMESH_EXPORT SMESH_Algo:public SMESH_Hypothesis
+// ==================================================================================
+
+class SMESH_EXPORT SMESH_Algo : public SMESH_Hypothesis
{
-public:
+ public:
+ //==================================================================================
+ /*!
+ * \brief Structure describing algorithm features
+ */
+ // --------------------------------------------------------------------------------
+ struct Features
+ {
+ int _dim;
+ std::set<SMDSAbs_GeometryType> _inElemTypes; // acceptable types of input mesh element
+ std::set<SMDSAbs_GeometryType> _outElemTypes; // produced types of mesh elements
+ std::string _label; // GUI type name
+
+ bool IsCompatible( const Features& algo2 ) const;
+ };
+ /*!
+ * \brief Returns a structure describing algorithm features
+ */
+ static const Features& GetFeatures( const std::string& algoType );
+ const Features& GetFeatures() const { return GetFeatures( _name ); }
+
+ public:
+ //==================================================================================
/*!
* \brief Creates algorithm
* \param hypId - algorithm ID
* \param aShape - the shape
* \param aStatus - check result
* \retval bool - true if hypothesis is well defined
+ *
+ * Textual description of a problem can be stored in _comment field.
*/
virtual bool CheckHypothesis(SMESH_Mesh& aMesh,
const TopoDS_Shape& aShape,
*/
virtual bool Compute(SMESH_Mesh & aMesh, SMESH_MesherHelper* aHelper);
+ /*!
+ * \brief Return true if the algorithm can mesh a given shape
+ * \param [in] aShape - shape to check
+ * \param [in] toCheckAll - if true, this check returns OK if all shapes are OK,
+ * else, returns OK if at least one shape is OK
+ * \retval bool - \c true by default
+ */
+ virtual bool IsApplicableToShape(const TopoDS_Shape & shape, bool toCheckAll) const;
+
/*!
* \brief Sets _computeCanceled to true. It's usage depends on
* implementation of a particular mesher.
*/
virtual void CancelCompute();
+ /*!
+ * \brief If possible, returns progress of computation [0.,1.]
+ */
+ virtual double GetProgress() const;
+
/*!
* \brief evaluates size of prospective mesh on a shape
- * \param aMesh - the mesh
- * \param aShape - the shape
- * \param aNbElems - prospective number of elements by types
- * \retval bool - is a success
+ * \param aMesh - the mesh
+ * \param aShape - the shape
+ * \param aResMap - prospective number of elements by SMDSAbs_ElementType by a sub-mesh
+ * \retval bool - is a success
*/
virtual bool Evaluate(SMESH_Mesh & aMesh, const TopoDS_Shape & aShape,
MapShapeNbElems& aResMap) = 0;
virtual const std::list <const SMESHDS_Hypothesis *> &
GetUsedHypothesis(SMESH_Mesh & aMesh,
const TopoDS_Shape & aShape,
- const bool ignoreAuxiliary=true);
+ const bool ignoreAuxiliary=true) const;
/*!
* \brief Returns a list of compatible hypotheses assigned to a shape in a mesh
* \param aMesh - the mesh
* have a name (type) listed in the algorithm. Hypothesis associated to
* father shape -are not- taken into account (see GetUsedHypothesis)
*/
- const list <const SMESHDS_Hypothesis *> &
+ const std::list <const SMESHDS_Hypothesis *> &
GetAppliedHypothesis(SMESH_Mesh & aMesh,
const TopoDS_Shape & aShape,
- const bool ignoreAuxiliary=true);
+ const bool ignoreAuxiliary=true) const;
/*!
- * \brief Make the filter recognize only compatible hypotheses
- * \param theFilter - the filter to initialize
- * \param ignoreAuxiliary - make filter ignore compatible auxiliary hypotheses
- * \retval bool - true if the algo has compatible hypotheses
+ * \brief Returns the filter recognizing only compatible hypotheses
+ * \param ignoreAuxiliary - make filter ignore compatible auxiliary hypotheses
+ * \retval SMESH_HypoFilter* - the filter that can be NULL
*/
- bool InitCompatibleHypoFilter( SMESH_HypoFilter & theFilter,
- const bool ignoreAuxiliary) const;
+ const SMESH_HypoFilter* GetCompatibleHypoFilter(const bool ignoreAuxiliary) const;
+
/*!
* \brief Just return false as the algorithm does not hold parameters values
*/
virtual bool SetParametersByMesh(const SMESH_Mesh* theMesh, const TopoDS_Shape& theShape);
virtual bool SetParametersByDefaults(const TDefaults& dflts, const SMESH_Mesh* theMesh=0);
+
/*!
* \brief return compute error
*/
SMESH_ComputeErrorPtr GetComputeError() const;
/*!
- * \brief initialize compute error
+ * \brief initialize compute error etc. before call of Compute()
*/
void InitComputeError();
+ /*!
+ * \brief Return compute progress by nb of calls of this method
+ */
+ double GetProgressByTic() const;
+ /*!
+ * Return a vector of sub-meshes to Compute()
+ */
+ std::vector<SMESH_subMesh*>& SubMeshesToCompute() { return _smToCompute; }
public:
// ==================================================================
// ==================================================================
// SMESH_Hypothesis::GetDim();
- // 1 - dimention of target mesh
+ // 1 - dimension of target mesh
bool OnlyUnaryInput() const { return _onlyUnaryInput; }
// 2 - is collection of tesselatable shapes inacceptable as input;
// 3 - is a Dim-1 mesh prerequisite
bool NeedShape() const { return _requireShape; }
- // 4 - is shape existance required
+ // 4 - is shape existence required
bool SupportSubmeshes() const { return _supportSubmeshes; }
// 5 - whether supports submeshes if !NeedDiscreteBoundary()
+ bool NeedLowerHyps(int dim) const { return _neededLowerHyps[ dim ]; }
+ // 6 - if algo !NeedDiscreteBoundary() but requires presence of
+ // hypotheses of dimension <dim> to generate all-dimensional mesh.
+ // This info is used not to issue warnings on hiding of lower global algos.
public:
// ==================================================================
* \param theEdge - The geometrical edge of interest
* \param theParams - The resulting vector of sorted node parameters
* \retval bool - false if not all parameters are OK
+ * \warning Nodes moved to other geometry by MergeNodes() are NOT returned.
*/
static bool GetNodeParamOnEdge(const SMESHDS_Mesh* theMesh,
const TopoDS_Edge& theEdge,
* \param theEdge - The geometrical edge of interest
* \param theNodes - The resulting map
* \param ignoreMediumNodes - to store medium nodes of quadratic elements or not
+ * \param typeToCheck - type of elements to check for medium nodes
* \retval bool - false if not all parameters are OK
+ * \warning Nodes moved to other geometry by MergeNodes() are NOT returned.
*/
static bool GetSortedNodesOnEdge(const SMESHDS_Mesh* theMesh,
const TopoDS_Edge& theEdge,
const bool ignoreMediumNodes,
- std::map< double, const SMDS_MeshNode* > & theNodes);
- /*!
- * \brief Find out elements orientation on a geometrical face
- * \param theFace - The face correctly oriented in the shape being meshed
- * \param theMeshDS - The mesh data structure
- * \retval bool - true if the face normal and the normal of first element
- * in the correspoding submesh point in different directions
- */
- static bool IsReversedSubMesh (const TopoDS_Face& theFace,
- SMESHDS_Mesh* theMeshDS);
+ std::map< double, const SMDS_MeshNode* > & theNodes,
+ const SMDSAbs_ElementType typeToCheck = SMDSAbs_All);
+
/*!
* \brief Compute length of an edge
* \param E - the edge
*/
static double EdgeLength(const TopoDS_Edge & E);
- /*!
- * \brief Calculate normal of a mesh face
- */
- static bool FaceNormal(const SMDS_MeshElement* F, gp_XYZ& normal, bool normalized=true);
-
- static int NumberOfWires(const TopoDS_Shape& S);
int NumberOfPoints(SMESH_Mesh& aMesh,const TopoDS_Wire& W);
/*!
* \param E2 - the 2nd edge
* \retval GeomAbs_Shape - regularity at the junction between E1 and E2
*/
- static GeomAbs_Shape Continuity(TopoDS_Edge E1, TopoDS_Edge 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 true if an edge can be considered straight
+ */
+ static bool IsStraight( const TopoDS_Edge & E, const bool degenResult=false );
+ /*!
+ * \brief Return true if an edge has no 3D curve
+ */
+ static bool isDegenerated( const TopoDS_Edge & E, const bool checkLength=false );
/*!
* \brief Return the node built on a vertex
* \param V - the vertex
- * \param meshDS - mesh
+ * \param meshDS - mesh data structure
* \retval const SMDS_MeshNode* - found node or NULL
*/
static const SMDS_MeshNode* VertexNode(const TopoDS_Vertex& V, const SMESHDS_Mesh* meshDS);
/*!
- * \brief Return nodes common to two elements
+ * \brief Return the node built on a vertex.
+ * A node moved to other geometry by MergeNodes() is also returned.
+ * \param V - the vertex
+ * \param mesh - mesh
+ * \retval const SMDS_MeshNode* - found node or NULL
+ */
+ static const SMDS_MeshNode* VertexNode(const TopoDS_Vertex& V, const SMESH_Mesh* mesh);
+
+ /*!
+ * \brief Return the node built on a vertex.
+ * A node moved to other geometry by MergeNodes() is also returned.
+ * \param V - the vertex
+ * \param edgeSM - sub-mesh of a meshed EDGE sharing the vertex
+ * \param mesh - the mesh
+ * \param checkV - if \c true, presence of a node on the vertex is checked
+ * \retval const SMDS_MeshNode* - found node or NULL
*/
- static std::vector< const SMDS_MeshNode*> GetCommonNodes(const SMDS_MeshElement* e1,
- const SMDS_MeshElement* e2);
+ static const SMDS_MeshNode* VertexNode(const TopoDS_Vertex& V,
+ const SMESHDS_SubMesh* edgeSM,
+ const SMESH_Mesh* mesh,
+ const bool checkV=true);
enum EMeshError { MEr_OK = 0, MEr_HOLES, MEr_BAD_ORI, MEr_EMPTY };
*/
void addBadInputElement(const SMDS_MeshElement* elem);
+ void addBadInputElements(const SMESHDS_SubMesh* sm,
+ const bool addNodes=false);
+
protected:
+ const SMESH_HypoFilter * _compatibleAllHypFilter;
+ const SMESH_HypoFilter * _compatibleNoAuxHypFilter;
std::vector<std::string> _compatibleHypothesis;
std::list<const SMESHDS_Hypothesis *> _appliedHypList;
std::list<const SMESHDS_Hypothesis *> _usedHypList;
+
// Algo features influencing which Compute() and how is called:
// in what turn and with what input shape.
// These fields must be redefined if necessary by each descendant at constructor.
bool _onlyUnaryInput; // mesh one shape of GetDim() at once. Default TRUE
- bool _requireDiscreteBoundary; // GetDim()-1 mesh must be present. Default TRUE
+ bool _requireDiscreteBoundary;// GetDim()-1 mesh must be present. Default TRUE
bool _requireShape; // work with GetDim()-1 mesh bound to geom only. Default TRUE
bool _supportSubmeshes; // if !_requireDiscreteBoundary. Default FALSE
+ bool _neededLowerHyps[4]; // hyp dims needed by algo that !_requireDiscreteBoundary. Df. FALSE
// indicates if quadratic mesh creation is required,
// is usually set like this: _quadraticMesh = SMESH_MesherHelper::IsQuadraticSubMesh(shape)
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
+ const SMDS_Mesh* _mesh; //!< mesh being computed, needed to create SMESH_BadInputElements
volatile bool _computeCanceled; //!< is set to True while computing to stop it
+
+ double _progress; /* progress of Compute() [0.,1.],
+ to be set by an algo really tracking the progress */
+ int _progressTic; // counter of calls from SMESH_Mesh::GetComputeProgress()
+ std::vector<SMESH_subMesh*> _smToCompute; // sub-meshes to Compute()
};
+
class SMESH_EXPORT SMESH_0D_Algo: public SMESH_Algo
{
public:
{
public:
SMESH_2D_Algo(int hypId, int studyId, SMESH_Gen* gen);
+ /*!
+ * \brief Method in which an algorithm generating a structured mesh
+ * fixes positions of in-face nodes after there movement
+ * due to insertion of viscous layers.
+ */
+ virtual bool FixInternalNodes(const SMESH_ProxyMesh& mesh,
+ const TopoDS_Face& face);
};
class SMESH_EXPORT SMESH_3D_Algo: public SMESH_Algo
