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/*=========================================================================
Program: Visualization Toolkit
Module: vtkClosestNPointsStrategy.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.
=========================================================================*/
/**
* @class vtkClosestNPointsStrategy
* @brief implement a specific vtkPointSet::FindCell() strategy based
* on the N closest points
*
* vtkClosestNPointsStrategy is implements a FindCell() strategy based on
* locating the closest N points in a dataset, and then searching attached
* cells. This class extends its superclass vtkClosestPointStrategy by looking
* at the additional N points.
*
* @sa
* vtkFindCellStrategy vtkPointSet
*/
#ifndef vtkClosestNPointsStrategy_h
#define vtkClosestNPointsStrategy_h
#include "vtkClosestPointStrategy.h"
#include "vtkCommonDataModelModule.h" // For export macro
class VTKCOMMONDATAMODEL_EXPORT vtkClosestNPointsStrategy : public vtkClosestPointStrategy
{
public:
/**
* Construct a vtkFindCellStrategy subclass.
*/
static vtkClosestNPointsStrategy* New();
//@{
/**
* Standard methods for type information and printing.
*/
vtkTypeMacro(vtkClosestNPointsStrategy, vtkClosestPointStrategy);
void PrintSelf(ostream& os, vtkIndent indent) override;
//@}
// Re-use any superclass signatures that we don't override.
using vtkClosestPointStrategy::Initialize;
/**
* Implement the specific strategy.
*/
vtkIdType FindCell(double x[3], vtkCell* cell, vtkGenericCell* gencell, vtkIdType cellId,
double tol2, int& subId, double pcoords[3], double* weights) override;
//@{
/**
* Set / get the value for the N closest points.
*/
vtkSetClampMacro(ClosestNPoints, int, 1, 100);
vtkGetMacro(ClosestNPoints, int);
//@}
protected:
vtkClosestNPointsStrategy();
~vtkClosestNPointsStrategy() override;
int ClosestNPoints;
private:
vtkClosestNPointsStrategy(const vtkClosestNPointsStrategy&) = delete;
void operator=(const vtkClosestNPointsStrategy&) = delete;
};
#endif
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