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/*=========================================================================
Program: Visualization Toolkit
Module: vtkBridgePointIteratorOnDataSet.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 vtkBridgePointIteratorOnDataSet
* @brief Implementation of vtkGenericPointIterator.
*
* It iterates over the points of a dataset (can be corner points of cells or
* isolated points)
* @sa
* vtkGenericPointIterator, vtkBridgeDataSet
*/
#ifndef vtkBridgePointIteratorOnDataSet_h
#define vtkBridgePointIteratorOnDataSet_h
#include "vtkBridgeExport.h" //for module export macro
#include "vtkGenericPointIterator.h"
class vtkBridgeDataSet;
class VTKTESTINGGENERICBRIDGE_EXPORT vtkBridgePointIteratorOnDataSet : public vtkGenericPointIterator
{
public:
static vtkBridgePointIteratorOnDataSet *New();
vtkTypeMacro(vtkBridgePointIteratorOnDataSet,vtkGenericPointIterator);
void PrintSelf(ostream& os, vtkIndent indent);
/**
* Move iterator to first position if any (loop initialization).
*/
void Begin();
/**
* Is there no point at iterator position? (exit condition).
*/
int IsAtEnd();
/**
* Move iterator to next position. (loop progression).
* \pre not_off: !IsAtEnd()
*/
void Next();
/**
* Point at iterator position.
* \pre not_off: !IsAtEnd()
* \post result_exists: result!=0
*/
double *GetPosition();
/**
* Point at iterator position.
* \pre not_off: !IsAtEnd()
* \pre x_exists: x!=0
*/
void GetPosition(double x[3]);
/**
* Unique identifier for the point, could be non-contiguous
* \pre not_off: !IsAtEnd()
*/
vtkIdType GetId();
/**
* Used internally by vtkBridgeDataSet.
* Iterate over points of `ds'.
* \pre ds_exists: ds!=0
*/
void InitWithDataSet(vtkBridgeDataSet *ds);
protected:
/**
* Default constructor.
*/
vtkBridgePointIteratorOnDataSet();
/**
* Destructor.
*/
virtual ~vtkBridgePointIteratorOnDataSet();
vtkBridgeDataSet *DataSet; // the structure on which the objet iterates.
vtkIdType Id; // the id at current position.
int Size; // size of the structure.
private:
vtkBridgePointIteratorOnDataSet(const vtkBridgePointIteratorOnDataSet&) VTK_DELETE_FUNCTION;
void operator=(const vtkBridgePointIteratorOnDataSet&) VTK_DELETE_FUNCTION;
};
#endif
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