mirror of
https://github.com/NGSolve/netgen.git
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141 lines
4.5 KiB
C++
141 lines
4.5 KiB
C++
#ifndef FILE_IMPROVE3
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#define FILE_IMPROVE3
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extern double CalcTotalBad (const Mesh::T_POINTS & points,
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const Array<Element> & elements,
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const MeshingParameters & mp);
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///
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class MeshOptimize3d
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{
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const MeshingParameters & mp;
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void BuildEdgeList( const Mesh & mesh, const TABLE<ElementIndex, PointIndex::BASE> & elementsonnode, Array<std::tuple<PointIndex, PointIndex>> & edges );
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public:
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MeshOptimize3d (const MeshingParameters & amp) : mp(amp) { ; }
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double CombineImproveEdge (Mesh & mesh, const MeshingParameters & mp,
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TABLE<ElementIndex, PointIndex::BASE> & elements_of_point,
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Array<double> & elerrs, PointIndex pi0, PointIndex pi1,
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FlatArray<bool, PointIndex> is_point_removed, bool check_only=false);
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void CombineImprove (Mesh & mesh, OPTIMIZEGOAL goal = OPT_QUALITY);
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void CombineImproveSequential (Mesh & mesh, OPTIMIZEGOAL goal = OPT_QUALITY);
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void SplitImprove (Mesh & mesh, OPTIMIZEGOAL goal = OPT_QUALITY);
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bool SwapImproveEdge (Mesh & mesh, OPTIMIZEGOAL goal, const NgBitArray * working_elements, TABLE<ElementIndex,PointIndex::BASE> & elementsonnode, INDEX_3_HASHTABLE<int> & faces, PointIndex pi1, PointIndex pi2, bool check_only=false);
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void SwapImprove (Mesh & mesh, OPTIMIZEGOAL goal = OPT_QUALITY,
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const NgBitArray * working_elements = NULL);
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void SwapImproveSurface (Mesh & mesh, OPTIMIZEGOAL goal = OPT_QUALITY,
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const NgBitArray * working_elements = NULL,
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const NgArray< NgArray<int,PointIndex::BASE>* > * idmaps = NULL);
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void SwapImprove2Sequential (Mesh & mesh, OPTIMIZEGOAL goal = OPT_QUALITY);
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void SwapImprove2 (Mesh & mesh, OPTIMIZEGOAL goal = OPT_QUALITY);
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bool SwapImprove2 ( Mesh & mesh, OPTIMIZEGOAL goal, ElementIndex eli1, int face, TABLE<ElementIndex, PointIndex::BASE> & elementsonnode, TABLE<SurfaceElementIndex, PointIndex::BASE> & belementsonnode, bool check_only=false );
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double
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CalcBad (const Mesh::T_POINTS & points, const Element & elem, double h)
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{
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if (elem.GetType() == TET)
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return CalcTetBadness (points[elem[0]], points[elem[1]],
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points[elem[2]], points[elem[3]], h, mp);
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return 0;
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}
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double CalcTotalBad (const Mesh::T_POINTS & points,
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const Array<Element> & elements)
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{
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return netgen::CalcTotalBad (points, elements, mp);
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}
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};
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inline double
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CalcBad (const Mesh::T_POINTS & points, const Element & elem, double h, const MeshingParameters & mp)
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{
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if (elem.GetType() == TET)
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return CalcTetBadness (points[elem[0]], points[elem[1]],
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points[elem[2]], points[elem[3]], h, mp);
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return 0;
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}
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extern int WrongOrientation (const Mesh::T_POINTS & points, const Element & el);
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/* Functional depending of inner point inside triangular surface */
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class MinFunctionSum : public MinFunction
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{
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protected:
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NgArray<MinFunction*> functions;
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public:
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virtual double Func (const Vector & x) const;
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virtual void Grad (const Vector & x, Vector & g) const;
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virtual double FuncGrad (const Vector & x, Vector & g) const;
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virtual double FuncDeriv (const Vector & x, const Vector & dir, double & deriv) const;
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virtual double GradStopping (const Vector & x) const;
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void AddFunction(MinFunction & fun);
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const MinFunction & Function(int i) const;
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MinFunction & Function(int i);
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};
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class PointFunction1 : public MinFunction
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{
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Mesh::T_POINTS & points;
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const NgArray<INDEX_3> & faces;
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const MeshingParameters & mp;
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double h;
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public:
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PointFunction1 (Mesh::T_POINTS & apoints,
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const NgArray<INDEX_3> & afaces,
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const MeshingParameters & amp,
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double ah);
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virtual double Func (const Vector & x) const;
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virtual double FuncDeriv (const Vector & x, const Vector & dir, double & deriv) const;
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virtual double FuncGrad (const Vector & x, Vector & g) const;
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virtual double GradStopping (const Vector & x) const;
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};
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class JacobianPointFunction : public MinFunction
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{
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public:
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Mesh::T_POINTS & points;
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const Array<Element> & elements;
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TABLE<INDEX> elementsonpoint;
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PointIndex actpind;
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bool onplane;
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Vec<3> nv;
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public:
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JacobianPointFunction (Mesh::T_POINTS & apoints,
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const Array<Element> & aelements);
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virtual ~JacobianPointFunction () { ; }
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virtual void SetPointIndex (PointIndex aactpind);
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virtual double Func (const Vector & x) const;
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virtual double FuncGrad (const Vector & x, Vector & g) const;
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virtual double FuncDeriv (const Vector & x, const Vector & dir, double & deriv) const;
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inline void SetNV(const Vec<3> & anv) {nv = anv; onplane = true;}
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inline void UnSetNV(void) {onplane = false;}
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};
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#endif
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