vtkImplicitPolyDataDistance.h

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// SPDX-FileCopyrightText: Copyright (c) Ken Martin, Will Schroeder, Bill Lorensen
// SPDX-License-Identifier: BSD-3-Clause
#ifndef vtkImplicitPolyDataDistance_h
#define vtkImplicitPolyDataDistance_h

#include "vtkFiltersCoreModule.h" // For export macro
#include "vtkGenericCell.h"       // For thread local storage
#include "vtkImplicitFunction.h"
#include "vtkSMPThreadLocalObject.h" // For thread local storage
#include "vtkWrappingHints.h"        // For VTK_MARSHALAUTO

VTK_ABI_NAMESPACE_BEGIN
class vtkCellLocator;
class vtkPolyData;

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

  vtkMTimeType GetMTime() override;

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

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

  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() override;

  void CreateDefaultLocator();

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

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

  vtkPolyData* Input;
  vtkCellLocator* Locator;
  vtkSMPThreadLocalObject<vtkGenericCell> TLCell;
  vtkSMPThreadLocalObject<vtkIdList> TLCellIds;

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

VTK_ABI_NAMESPACE_END
#endif