Algebraic_Metrics_3.h

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// $Id: Algebraic_Metrics_3.h,v 1.5 2008/12/06 08:45:23 mtcampbe Exp $

#ifndef __ALGEBRAIC_METRICS_3_H__
#define __ALGEBRAIC_METRICS_3_H__

#include "Metric.h"

MOP_BEGIN_NAMESPACE


class Alg_Metric_Base_3 : public Metric {
  friend std::ostream & operator<<(std::ostream &, 
                                   const Alg_Metric_Base_3 &);
public:

  Alg_Metric_Base_3() {}


  virtual ~Alg_Metric_Base_3() {}  
  

  virtual void initialize(Vector_3<double> n[], int type);

  virtual void initialize(Element_node_enumerator & ene);

  virtual double maxValue() const { return 1.0; }

  virtual double minValue() const { return 0.0; }

protected:


  double compute_size(double ref_voume=1.) const;

  double compute_shape() const;

  double compute_skew() const;

protected:
  double   alpha[8];
  J_Matrix A[8];
  Matrix   L[8];
  int type_;
};

class Shape_Metric_3 : public Alg_Metric_Base_3 {
public:

  Shape_Metric_3() {}


  virtual void compute(double atts[]) const;
};

class Size_Metric_3 : public Alg_Metric_Base_3 {
public:
  

  explicit Size_Metric_3(double r_vol) { ref_vol=r_vol; }


  virtual void compute(double atts[]) const;

private:
  double ref_vol;
};

class Size_Shape_Metric_3 : public Alg_Metric_Base_3 {
public:


  explicit Size_Shape_Metric_3(double r_vol) { ref_vol=r_vol; }


  virtual void compute(double atts[]) const;

private:
  double ref_vol;
};

class Skew_Metric_3 : public Alg_Metric_Base_3 {
public:

  Skew_Metric_3() {}


  virtual void compute(double atts[]) const;
};

class Size_Skew_Metric_3 : public Alg_Metric_Base_3 {
public:


  explicit Size_Skew_Metric_3(double r_vol) { ref_vol=r_vol; }


  virtual void compute(double atts[]) const;

private:
  double ref_vol;
};

MOP_END_NAMESPACE

#endif