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// SPDX-FileCopyrightText: Copyright (c) Ken Martin, Will Schroeder, Bill Lorensen
// SPDX-FileCopyrightText: Copyright (c) 2011 LTSI INSERM U642
// SPDX-License-Identifier: BSD-3-Clause
/** @class vtkHausdorffDistancePointSetFilter
* @brief Compute Hausdorff distance between two point sets
*
* This class computes the relative and hausdorff distances from two point
* sets (input port 0 and input port 1). If no topology is specified (ie.
* vtkPointSet or vtkPolyData without vtkPolys), the distances are
* computed between point location. If polys exist (ie triangulation),
* the TargetDistanceMethod allows for an interpolation of the cells to
* ensure a better minimal distance exploration.
*
* The outputs (port 0 and 1) have the same geometry and topology as its
* respective input port. Two FieldData arrays are added : HausdorffDistance
* and RelativeDistance. The former is equal on both outputs whereas the
* latter may differ. A PointData containing the specific point minimal
* distance is also added to both outputs.
*
* @author Frederic Commandeur
* @author Jerome Velut
* @author LTSI
*
* @see https://www.vtkjournal.org/browse/publication/839
*/
#ifndef vtkHausdorffDistancePointSetFilter_h
#define vtkHausdorffDistancePointSetFilter_h
#include "vtkFiltersModelingModule.h" // For export macro
#include "vtkPointSetAlgorithm.h"
VTK_ABI_NAMESPACE_BEGIN
class VTKFILTERSMODELING_EXPORT vtkHausdorffDistancePointSetFilter : public vtkPointSetAlgorithm
{
public:
///@{
/**
* Standard methods for construction, type and printing.
*/
static vtkHausdorffDistancePointSetFilter* New();
vtkTypeMacro(vtkHausdorffDistancePointSetFilter, vtkPointSetAlgorithm);
void PrintSelf(ostream& os, vtkIndent indent) override;
///@}
///@{
/**
* Get the Relative Distance from A to B and B to A.
*/
vtkGetVector2Macro(RelativeDistance, double);
///@}
///@{
/**
* Get the Hausdorff Distance.
*/
vtkGetMacro(HausdorffDistance, double);
///@}
enum DistanceMethod
{
POINT_TO_POINT,
POINT_TO_CELL
};
///@{
/**
* Specify the strategy for computing the distance. If no topology is specified (ie.
* vtkPointSet or vtkPolyData without vtkPolys), the distances are
* computed between point location. If polys exist (i.e. triangulation),
* the TargetDistanceMethod allows for an interpolation of the cells to
* ensure a better minimal distance exploration.
*
*/
vtkSetMacro(TargetDistanceMethod, int);
vtkGetMacro(TargetDistanceMethod, int);
void SetTargetDistanceMethodToPointToPoint() { this->SetTargetDistanceMethod(POINT_TO_POINT); }
void SetTargetDistanceMethodToPointToCell() { this->SetTargetDistanceMethod(POINT_TO_CELL); }
const char* GetTargetDistanceMethodAsString();
///@}
protected:
vtkHausdorffDistancePointSetFilter();
~vtkHausdorffDistancePointSetFilter() override;
int RequestData(vtkInformation*, vtkInformationVector**, vtkInformationVector*) override;
int FillInputPortInformation(int port, vtkInformation* info) override;
int TargetDistanceMethod; //!< point-to-point if 0, point-to-cell if 1
double RelativeDistance[2]; //!< relative distance between inputs
double HausdorffDistance; //!< hausdorff distance (max(relative distance))
private:
vtkHausdorffDistancePointSetFilter(const vtkHausdorffDistancePointSetFilter&) = delete;
void operator=(const vtkHausdorffDistancePointSetFilter&) = delete;
};
inline const char* vtkHausdorffDistancePointSetFilter::GetTargetDistanceMethodAsString()
{
if (this->TargetDistanceMethod == POINT_TO_POINT)
{
return "PointToPoint";
}
else
{
return "PointToCell";
}
}
VTK_ABI_NAMESPACE_END
#endif
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