vtkImplicitSum.h

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/*=========================================================================
 
  Program:   Visualization Toolkit
  Module:    vtkImplicitSum.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 vtkImplicitSum_h
#define vtkImplicitSum_h
 
#include "vtkCommonDataModelModule.h" // For export macro
#include "vtkImplicitFunction.h"
 
class vtkDoubleArray;
class vtkImplicitFunctionCollection;
 
class VTKCOMMONDATAMODEL_EXPORT vtkImplicitSum : public vtkImplicitFunction
{
public:
  static vtkImplicitSum *New();
 
  vtkTypeMacro(vtkImplicitSum,vtkImplicitFunction);
  void PrintSelf(ostream& os, vtkIndent indent);
 
 
  double EvaluateFunction(double x[3]);
  double EvaluateFunction(double x, double y, double z)
    {return this->vtkImplicitFunction::EvaluateFunction(x, y, z); } ;
 
  void EvaluateGradient(double x[3], double g[3]);
 
  unsigned long GetMTime();
 
  void AddFunction(vtkImplicitFunction *in, double weight);
 
  void AddFunction(vtkImplicitFunction *in) { this->AddFunction(in, 1.0); }
 
  void RemoveAllFunctions();
 
  void SetFunctionWeight(vtkImplicitFunction *f, double weight);
 
 
  vtkSetMacro(NormalizeByWeight, int);
  vtkGetMacro(NormalizeByWeight, int);
  vtkBooleanMacro(NormalizeByWeight, int);
 
protected:
  vtkImplicitSum();
  ~vtkImplicitSum();
 
  vtkImplicitFunctionCollection *FunctionList;
  vtkDoubleArray *Weights;
  double TotalWeight;
 
  void CalculateTotalWeight(void);
  int NormalizeByWeight;
 
private:
  vtkImplicitSum(const vtkImplicitSum&);  // Not implemented.
  void operator=(const vtkImplicitSum&);  // Not implemented.
};
 
#endif