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) 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