vtkImplicitPolyDataDistance.h

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

  Program:   Visualization Toolkit
  Module:    vtkImplicitPolyDataDistance.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 vtkImplicitPolyDataDistance_h
#define vtkImplicitPolyDataDistance_h

#include "vtkFiltersCoreModule.h" // For export macro
#include "vtkImplicitFunction.h"

class vtkCellLocator;
class vtkPolyData;

class VTKFILTERSCORE_EXPORT vtkImplicitPolyDataDistance : public vtkImplicitFunction
{
public:
  static vtkImplicitPolyDataDistance *New();
  vtkTypeMacro(vtkImplicitPolyDataDistance,vtkImplicitFunction);
  void PrintSelf(ostream& os, vtkIndent indent);

  unsigned long GetMTime();

  double EvaluateFunction(double x[3]);

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

  double EvaluateFunctionAndGetClosestPoint (double x[3], double closestPoint[3]);

  void SetInput(vtkPolyData *input);


  vtkSetMacro(NoValue, double);
  vtkGetMacro(NoValue, double);


  vtkSetVector3Macro(NoGradient, double);
  vtkGetVector3Macro(NoGradient, double);


  vtkSetVector3Macro(NoClosestPoint, double);
  vtkGetVector3Macro(NoClosestPoint, double);


  vtkGetMacro(Tolerance, double);
  vtkSetMacro(Tolerance, double);

protected:
  vtkImplicitPolyDataDistance();
  ~vtkImplicitPolyDataDistance();

  void CreateDefaultLocator(void);

  double SharedEvaluate(double x[3], double g[3], double p[3]);

  double NoGradient[3];
  double NoClosestPoint[3];
  double NoValue;
  double Tolerance;

  vtkPolyData *Input;
  vtkCellLocator *Locator;

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

#endif