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/*=========================================================================
Program: Visualization Toolkit
Module: vtkStaticCellLinks.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 vtkStaticCellLinks - object represents upward pointers from points
// to list of cells using each point
// .SECTION Description
// vtkStaticCellLinks is a supplemental object to vtkCellArray and
// vtkCellTypes, enabling access from points to the cells using the
// points. vtkStaticCellLinks is an array of links, each link represents 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. This class is a faster implementation of
// vtkCellLinks. However, it cannot be incrementally constructed; it is meant
// to be constructed once (statically) and must be rebuilt if the cells
// change.
// .SECTION Caveats
// This is a drop-in replacement for vtkCellLinks using static link
// construction. It uses the templated vtkStaticCellLinksTemplate class,
// instantiating vtkStaticCellLinksTemplate with a vtkIdType template
// parameter. Note that for best performance, the vtkStaticCellLinksTemplate
// class may be used directly, instantiating it with the appropriate id
// type. This class is also wrappable and can be used from an interpreted
// language such as Python.
// .SECTION See Also
// vtkCellLinks vtkStaticCellLinksTemplate
#ifndef vtkStaticCellLinks_h
#define vtkStaticCellLinks_h
#include "vtkCommonDataModelModule.h" // For export macro
#include "vtkAbstractCellLinks.h"
#include "vtkStaticCellLinksTemplate.h" // For implementations
class vtkDataSet;
class vtkCellArray;
class VTKCOMMONDATAMODEL_EXPORT vtkStaticCellLinks : public vtkAbstractCellLinks
{
public:
// Description:
// Standard methods for instantiation, type manipulation and printing.
static vtkStaticCellLinks *New();
vtkTypeMacro(vtkStaticCellLinks,vtkAbstractCellLinks);
void PrintSelf(ostream& os, vtkIndent indent);
// Description:
// Build the link list array. Satisfy the superclass API.
virtual void BuildLinks(vtkDataSet *ds)
{this->Impl->BuildLinks(ds);}
// Description:
// Get the number of cells using the point specified by ptId.
vtkIdType GetNumberOfCells(vtkIdType ptId)
{return this->Impl->GetNumberOfCells(ptId);}
// Description:
// Get the number of cells using the point specified by ptId. This is an
// alias for GetNumberOfCells(); consistent with the vtkCellLinks API.
unsigned short GetNcells(vtkIdType ptId)
{ return static_cast<unsigned short>(this->GetNumberOfCells(ptId)); }
// Description:
// Return a list of cell ids using the specified point.
const vtkIdType *GetCells(vtkIdType ptId)
{return this->Impl->GetCells(ptId);}
// Description:
// Make sure any previously created links are cleaned up.
void Initialize()
{this->Impl->Initialize();}
protected:
vtkStaticCellLinks();
virtual ~vtkStaticCellLinks();
vtkStaticCellLinksTemplate<vtkIdType> *Impl;
private:
vtkStaticCellLinks(const vtkStaticCellLinks&); // Not implemented.
void operator=(const vtkStaticCellLinks&); // Not implemented.
};
#endif
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