mirror of
https://github.com/NGSolve/netgen.git
synced 2024-09-23 02:02:49 +05:00
100 lines
2.6 KiB
C++
100 lines
2.6 KiB
C++
#ifndef FILE_IMPROVE3
|
|
#define FILE_IMPROVE3
|
|
|
|
|
|
|
|
|
|
///
|
|
class MeshOptimize3d
|
|
{
|
|
public:
|
|
void CombineImprove (Mesh & mesh, OPTIMIZEGOAL goal = OPT_QUALITY);
|
|
void SplitImprove (Mesh & mesh, OPTIMIZEGOAL goal = OPT_QUALITY);
|
|
void SwapImprove (Mesh & mesh, OPTIMIZEGOAL goal = OPT_QUALITY,
|
|
const BitArray * working_elements = NULL);
|
|
void SwapImproveSurface (Mesh & mesh, OPTIMIZEGOAL goal = OPT_QUALITY,
|
|
const BitArray * working_elements = NULL,
|
|
const Array< Array<int,PointIndex::BASE>* > * idmaps = NULL);
|
|
void SwapImprove2 (Mesh & mesh, OPTIMIZEGOAL goal = OPT_QUALITY);
|
|
};
|
|
|
|
|
|
|
|
extern double CalcBad (const Mesh::T_POINTS & points, const Element & elem,
|
|
double h);
|
|
|
|
extern double CalcTotalBad (const Mesh::T_POINTS & points,
|
|
const Mesh::T_VOLELEMENTS & elements);
|
|
|
|
extern int WrongOrientation (const Mesh::T_POINTS & points, const Element & el);
|
|
|
|
|
|
/* Functional depending of inner point inside triangular surface */
|
|
|
|
|
|
class MinFunctionSum : public MinFunction
|
|
{
|
|
protected:
|
|
Array<MinFunction*> functions;
|
|
|
|
public:
|
|
|
|
virtual double Func (const Vector & x) const;
|
|
virtual void Grad (const Vector & x, Vector & g) const;
|
|
virtual double FuncGrad (const Vector & x, Vector & g) const;
|
|
virtual double FuncDeriv (const Vector & x, const Vector & dir, double & deriv) const;
|
|
virtual double GradStopping (const Vector & x) const;
|
|
|
|
void AddFunction(MinFunction & fun);
|
|
|
|
const MinFunction & Function(int i) const;
|
|
MinFunction & Function(int i);
|
|
};
|
|
|
|
|
|
|
|
class PointFunction1 : public MinFunction
|
|
{
|
|
Mesh::T_POINTS & points;
|
|
const Array<INDEX_3> & faces;
|
|
double h;
|
|
public:
|
|
PointFunction1 (Mesh::T_POINTS & apoints,
|
|
const Array<INDEX_3> & afaces,
|
|
double ah);
|
|
|
|
virtual double Func (const Vector & x) const;
|
|
virtual double FuncDeriv (const Vector & x, const Vector & dir, double & deriv) const;
|
|
virtual double FuncGrad (const Vector & x, Vector & g) const;
|
|
virtual double GradStopping (const Vector & x) const;
|
|
};
|
|
|
|
|
|
class JacobianPointFunction : public MinFunction
|
|
{
|
|
public:
|
|
Mesh::T_POINTS & points;
|
|
const Mesh::T_VOLELEMENTS & elements;
|
|
TABLE<INDEX> elementsonpoint;
|
|
PointIndex actpind;
|
|
|
|
bool onplane;
|
|
Vec<3> nv;
|
|
|
|
public:
|
|
JacobianPointFunction (Mesh::T_POINTS & apoints,
|
|
const Mesh::T_VOLELEMENTS & aelements);
|
|
|
|
virtual void SetPointIndex (PointIndex aactpind);
|
|
virtual double Func (const Vector & x) const;
|
|
virtual double FuncGrad (const Vector & x, Vector & g) const;
|
|
virtual double FuncDeriv (const Vector & x, const Vector & dir, double & deriv) const;
|
|
|
|
inline void SetNV(const Vec<3> & anv) {nv = anv; onplane = true;}
|
|
inline void UnSetNV(void) {onplane = false;}
|
|
};
|
|
|
|
|
|
|
|
#endif
|