vtkImplicitSum.h

Go to the documentation of this file.

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

  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) override;


  using vtkImplicitFunction::EvaluateFunction;
  double EvaluateFunction(double x[3]) override;

  void EvaluateGradient(double x[3], double g[3]) override;

  vtkMTimeType GetMTime() override;

  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, vtkTypeBool);
  vtkGetMacro(NormalizeByWeight, vtkTypeBool);
  vtkBooleanMacro(NormalizeByWeight, vtkTypeBool);

protected:
  vtkImplicitSum();
  ~vtkImplicitSum() override;

  vtkImplicitFunctionCollection *FunctionList;
  vtkDoubleArray *Weights;
  double TotalWeight;

  void CalculateTotalWeight(void);
  vtkTypeBool NormalizeByWeight;

private:
  vtkImplicitSum(const vtkImplicitSum&) = delete;
  void operator=(const vtkImplicitSum&) = delete;
};

#endif