vtkMeshQuality.h

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/*=========================================================================

  Program:   Visualization Toolkit
  Module:    $RCSfile: vtkMeshQuality.h,v $
  Language:  C++

  Copyright 2003 Sandia Corporation.
  Under the terms of Contract DE-AC04-94AL85000, there is a non-exclusive
  license for use of this work by or on behalf of the
  U.S. Government. Redistribution and use in source and binary forms, with
  or without modification, are permitted provided that this Notice and any
  statement of authorship are reproduced on all copies.

  Contact: dcthomp@sandia.gov,pppebay@ca.sandia.gov

=========================================================================*/
#ifndef vtkMeshQuality_h
#define vtkMeshQuality_h

#include "vtkDataSetAlgorithm.h"

class vtkCell;

#define VTK_QUALITY_EDGE_RATIO 0
#define VTK_QUALITY_ASPECT_RATIO 1
#define VTK_QUALITY_RADIUS_RATIO 2
#define VTK_QUALITY_FROBENIUS_NORM 3
#define VTK_QUALITY_MED_FROBENIUS_NORM 4
#define VTK_QUALITY_MAX_FROBENIUS_NORM 5
#define VTK_QUALITY_MIN_ANGLE 6

class VTK_GRAPHICS_EXPORT vtkMeshQuality : public vtkDataSetAlgorithm
{
public:
  void PrintSelf(ostream& os, vtkIndent indent);
  vtkTypeRevisionMacro(vtkMeshQuality,vtkDataSetAlgorithm);
  static vtkMeshQuality* New();


  vtkSetMacro(SaveCellQuality,int);
  vtkGetMacro(SaveCellQuality,int);
  vtkBooleanMacro(SaveCellQuality,int);


  vtkSetMacro(TriangleQualityMeasure,int);
  vtkGetMacro(TriangleQualityMeasure,int);
  void SetTriangleQualityMeasureToEdgeRatio()
    {
    this->SetTriangleQualityMeasure( VTK_QUALITY_EDGE_RATIO );
    }
  void SetTriangleQualityMeasureToAspectRatio()
    {
    this->SetTriangleQualityMeasure( VTK_QUALITY_ASPECT_RATIO );
    }
  void SetTriangleQualityMeasureToRadiusRatio()
    {
    this->SetTriangleQualityMeasure( VTK_QUALITY_RADIUS_RATIO );
    }
  void SetTriangleQualityMeasureToFrobeniusNorm()
    {
    this->SetTriangleQualityMeasure( VTK_QUALITY_FROBENIUS_NORM );
    }
  void SetTriangleQualityMeasureToMinAngle()
    {
    this->SetTriangleQualityMeasure( VTK_QUALITY_MIN_ANGLE );
    }


  vtkSetMacro(QuadQualityMeasure,int);
  vtkGetMacro(QuadQualityMeasure,int);
  void SetQuadQualityMeasureToEdgeRatio()
    {
    this->SetQuadQualityMeasure( VTK_QUALITY_EDGE_RATIO );
    }
  void SetQuadQualityMeasureToAspectRatio()
    {
    this->SetQuadQualityMeasure( VTK_QUALITY_ASPECT_RATIO );
    }
  void SetQuadQualityMeasureToRadiusRatio()
    {
    this->SetQuadQualityMeasure( VTK_QUALITY_RADIUS_RATIO );
    }
  void SetQuadQualityMeasureToMedFrobeniusNorm()
    {
    this->SetQuadQualityMeasure( VTK_QUALITY_MED_FROBENIUS_NORM );
    }
  void SetQuadQualityMeasureToMaxFrobeniusNorm()
    {
    this->SetQuadQualityMeasure( VTK_QUALITY_MAX_FROBENIUS_NORM );
    }
  void SetQuadQualityMeasureToMinAngle()
    {
    this->SetQuadQualityMeasure( VTK_QUALITY_MIN_ANGLE );
    }


  vtkSetMacro(TetQualityMeasure,int);
  vtkGetMacro(TetQualityMeasure,int);
  void SetTetQualityMeasureToEdgeRatio()
    {
    this->SetTetQualityMeasure( VTK_QUALITY_EDGE_RATIO );
    }
  void SetTetQualityMeasureToAspectRatio()
    {
    this->SetTetQualityMeasure( VTK_QUALITY_ASPECT_RATIO );
    }
  void SetTetQualityMeasureToRadiusRatio()
    {
    this->SetTetQualityMeasure( VTK_QUALITY_RADIUS_RATIO );
    }
  void SetTetQualityMeasureToFrobeniusNorm()
    {
    this->SetTetQualityMeasure( VTK_QUALITY_FROBENIUS_NORM );
    }
  void SetTetQualityMeasureToMinAngle()
    {
    this->SetTetQualityMeasure( VTK_QUALITY_MIN_ANGLE );
    }


  vtkSetMacro(HexQualityMeasure,int);
  vtkGetMacro(HexQualityMeasure,int);
  void SetHexQualityMeasureToEdgeRatio()
    {
    this->SetHexQualityMeasure( VTK_QUALITY_EDGE_RATIO );
    }

  static double TriangleEdgeRatio( vtkCell* cell );

  static double TriangleAspectRatio( vtkCell* cell );

  static double TriangleRadiusRatio( vtkCell* cell );

  static double TriangleFrobeniusNorm( vtkCell* cell );

  static double TriangleMinAngle( vtkCell* cell );

  static double QuadEdgeRatio( vtkCell* cell );

  static double QuadAspectRatio( vtkCell* cell );

  static double QuadRadiusRatio( vtkCell* cell );

  static double QuadMedFrobeniusNorm( vtkCell* cell );

  static double QuadMaxFrobeniusNorm( vtkCell* cell );

  static double QuadMinAngle( vtkCell* cell );

  static double TetEdgeRatio( vtkCell* cell );

  static double TetAspectRatio( vtkCell* cell );

  static double TetRadiusRatio( vtkCell* cell );

  static double TetFrobeniusNorm( vtkCell* cell );

  static double TetMinAngle( vtkCell* cell );

  static double HexEdgeRatio( vtkCell* cell );


  virtual void SetRatio( int r ) { this->SetSaveCellQuality( r ); }
  int GetRatio() { return this->GetSaveCellQuality(); }
  vtkBooleanMacro(Ratio,int);


  virtual void SetVolume( int cv )
    {
    if ( ! ((cv != 0) ^ (this->Volume != 0)) )
      {
      return;
      }
    this->Modified();
    this->Volume = cv;
    if ( this->Volume )
      {
      this->CompatibilityModeOn();
      }
    }
  int GetVolume()
    {
    return this->Volume;
    }
  vtkBooleanMacro(Volume,int);


  virtual void SetCompatibilityMode( int cm )
    {
    if ( !((cm != 0) ^ (this->CompatibilityMode != 0)) )
      {
      return;
      }
    this->CompatibilityMode = cm;
    this->Modified();
    if ( this->CompatibilityMode )
      {
      this->Volume = 1;
      this->TetQualityMeasure = VTK_QUALITY_RADIUS_RATIO;
      }
    }
  vtkGetMacro(CompatibilityMode,int);
  vtkBooleanMacro(CompatibilityMode,int);

protected:
  vtkMeshQuality();
  ~vtkMeshQuality();

  virtual int RequestData(vtkInformation *, vtkInformationVector **, vtkInformationVector *);

  int SaveCellQuality;
  int TriangleQualityMeasure;
  int QuadQualityMeasure;
  int TetQualityMeasure;
  int HexQualityMeasure;

  int CompatibilityMode;
  int Volume;

private:
  vtkMeshQuality( const vtkMeshQuality& ); // Not implemented.
  void operator = ( const vtkMeshQuality& ); // Not implemented.
};

#endif // vtkMeshQuality_h

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