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/*=========================================================================
Program: Visualization Toolkit
Module: vtkCellLocatorStrategy.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 vtkCellLocatorStrategy
* @brief implement a specific vtkPointSet::FindCell() strategy based
* on using a cell locator
*
* vtkCellLocatorStrategy is implements a FindCell() strategy based on
* using the FindCell() method in a cell locator. This is often the
* slowest strategy, but the most robust.
*
* @sa
* vtkFindCellStrategy vtkPointSet
*/
#ifndef vtkCellLocatorStrategy_h
#define vtkCellLocatorStrategy_h
#include "vtkCommonDataModelModule.h" // For export macro
#include "vtkFindCellStrategy.h"
class vtkAbstractCellLocator;
class VTKCOMMONDATAMODEL_EXPORT vtkCellLocatorStrategy : public vtkFindCellStrategy
{
public:
/**
* Construct a vtkFindCellStrategy subclass.
*/
static vtkCellLocatorStrategy* New();
//@{
/**
* Standard methods for type information and printing.
*/
vtkTypeMacro(vtkCellLocatorStrategy, vtkFindCellStrategy);
void PrintSelf(ostream& os, vtkIndent indent) override;
//@}
/**
* Provide necessary initialization method (see superclass for more
* information).
*/
int Initialize(vtkPointSet* ps) override;
/**
* 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 an instance of vtkAbstractCellLocator which is used to
* implement the strategy for FindCell(). The locator is required to
* already be built and non-NULL.
*/
virtual void SetCellLocator(vtkAbstractCellLocator*);
vtkGetObjectMacro(CellLocator, vtkAbstractCellLocator);
//@}
protected:
vtkCellLocatorStrategy();
~vtkCellLocatorStrategy() override;
vtkAbstractCellLocator* CellLocator;
bool OwnsLocator; // was the locator specified? or taken from associated point set
private:
vtkCellLocatorStrategy(const vtkCellLocatorStrategy&) = delete;
void operator=(const vtkCellLocatorStrategy&) = delete;
};
#endif
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