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/*=========================================================================
Program: Visualization Toolkit
Module: vtkMergePoints.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.
=========================================================================*/
// .NAME vtkMergePoints - merge exactly coincident points
// .SECTION Description
// vtkMergePoints is a locator object to quickly locate points in 3D.
// The primary difference between vtkMergePoints and its superclass
// vtkPointLocator is that vtkMergePoints merges precisely coincident points
// and is therefore much faster.
// .SECTION See Also
// vtkCleanPolyData
#ifndef __vtkMergePoints_h
#define __vtkMergePoints_h
#include "vtkPointLocator.h"
class VTK_FILTERING_EXPORT vtkMergePoints : public vtkPointLocator
{
public:
static vtkMergePoints *New();
vtkTypeMacro(vtkMergePoints,vtkPointLocator);
void PrintSelf(ostream& os, vtkIndent indent);
// Description:
// Determine whether point given by x[3] has been inserted into points list.
// Return id of previously inserted point if this is true, otherwise return
// -1.
vtkIdType IsInsertedPoint(const double x[3]);
vtkIdType IsInsertedPoint(double x, double y, double z)
{return this->vtkPointLocator::IsInsertedPoint(x, y, z); };
// Description:
// Determine whether point given by x[3] has been inserted into points list.
// Return 0 if point was already in the list, otherwise return 1. If the
// point was not in the list, it will be ADDED. In either case, the id of
// the point (newly inserted or not) is returned in the ptId argument.
// Note this combines the functionality of IsInsertedPoint() followed
// by a call to InsertNextPoint().
int InsertUniquePoint(const double x[3], vtkIdType &ptId);
protected:
vtkMergePoints() {};
~vtkMergePoints() {};
private:
vtkMergePoints(const vtkMergePoints&); // Not implemented.
void operator=(const vtkMergePoints&); // Not implemented.
};
#endif