dox/Charts/vtkAxisExtended.h

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

  Program:   Visualization Toolkit
  Module:    vtkCellLocator.h

  Copyright (c) Ken Martin, Will Schroeder, Bill Lorensen
  All rights reserved.
  See Copyright.txt or http://www.kitware.com/Copyright.htm for details.

     This software is distributed WITHOUT ANY WARRANTY; without even
     the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
     PURPOSE.  See the above copyright notice for more information.

=========================================================================*/
#ifndef __vtkAxisExtended_h
#define __vtkAxisExtended_h
#endif

#include "vtkObject.h"
#include "vtkVector.h" // Needed for vtkVector
//
#ifndef DBL_EPSILON
#  define VTK_DBL_EPSILON    2.2204460492503131e-16
#else  // DBL_EPSILON
#  define VTK_DBL_EPSILON    DBL_EPSILON
#endif  // DBL_EPSILON

class VTK_CHARTS_EXPORT vtkAxisExtended : public vtkObject
{
public:
   vtkTypeMacro(vtkAxisExtended, vtkObject);
   static vtkAxisExtended *New();
   virtual void PrintSelf(ostream& os, vtkIndent indent);


   static double Simplicity(int qIndex, int qLength, int j, double lmin,
                            double lmax, double lstep);

   static double SimplicityMax(int qIndex, int qLength, int j);

   static double Coverage(double dmin, double dmax, double lmin, double lmax);

   static double CoverageMax(double dmin, double dmax, double span);


   static double Density(int k, double m, double dmin, double dmax,
                         double lmin, double lmax);

   static double DensityMax(int k, double m);

   static double FormatLegibilityScore(double n, int format);

   static int FormatStringLength(int format, double n, int precision);


   vtkVector3d GenerateExtendedTickLabels(double dmin, double dmax, double m,
                                          double scaling);


   vtkGetMacro(FontSize, int);
   vtkSetMacro(FontSize, int);

   vtkGetMacro(DesiredFontSize, int);
   vtkSetMacro(DesiredFontSize, int);

   vtkGetMacro(Precision, int);
   vtkSetMacro(Precision, int);
   vtkGetMacro(LabelFormat, int);
   vtkSetMacro(LabelFormat, int);

   vtkGetMacro(Orientation, int);
   vtkSetMacro(Orientation, int);

   vtkGetMacro(IsAxisVertical, bool);
   vtkSetMacro(IsAxisVertical, bool);

protected:
  vtkAxisExtended();
  ~vtkAxisExtended();


  double Legibility(double lmin, double lmax, double lstep, double scaling,
                    vtkVector<int, 3>& parameters);

  int Orientation;
  int FontSize;
  int DesiredFontSize;
  int Precision;
  int LabelFormat;
  bool LabelLegibilityChanged;
  bool IsAxisVertical;

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