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vtkAbstractCellLinks.h
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vtkAbstractCellLinks.h
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/*=========================================================================
Program: Visualization Toolkit
Module: vtkAbstractCellLinks.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 vtkAbstractCellLinks
* @brief an abstract base class for classes that build
* topological links from points to cells
*
* vtkAbstractCellLinks is a family of supplemental objects to vtkCellArray and
* vtkCellTypes, enabling fast access from points to the cells using the
* points. vtkAbstractCellLinks is an array of links, each link representing a
* list of cell ids using a particular point. The information provided by
* this object can be used to determine neighbors and construct other local
* topological information.
*
*
* @sa
* vtkCellLinks vtkStaticCellLinks vtkStaticCellLinksTemplate
*/
#ifndef vtkAbstractCellLinks_h
#define vtkAbstractCellLinks_h
#include "vtkCommonDataModelModule.h" // For export macro
#include "vtkObject.h"
class vtkDataSet;
class vtkCellArray;
class VTKCOMMONDATAMODEL_EXPORT vtkAbstractCellLinks : public vtkObject
{
public:
//@{
/**
* Standard type and print methods.
*/
vtkTypeMacro(vtkAbstractCellLinks,vtkObject);
void PrintSelf(ostream& os, vtkIndent indent) override;
//@}
/**
* Build the link list array. All subclasses must implement this method.
*/
virtual void BuildLinks(vtkDataSet *data) = 0;
/**
* Based on the input (i.e., number of points, number of cells, and length
* of connectivity array) this helper method returns the integral type to
* use when instantiating cell link-related classes in order to properly
* represent the data. The return value is one of the types
* (VTK_ID_TYPE,VTK_INT,VTK_SHORT) defined in the file
* vtkType.h. Subclasses may choose to instantiate themselves with
* different integral types for performance and/or memory reasons.
*/
static int GetIdType(vtkIdType maxPtId, vtkIdType maxCellId, vtkCellArray *ca);
protected:
vtkAbstractCellLinks();
~vtkAbstractCellLinks() override;
private:
vtkAbstractCellLinks(const vtkAbstractCellLinks&) = delete;
void operator=(const vtkAbstractCellLinks&) = delete;
};
#endif