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/*=========================================================================
Program: Visualization Toolkit
Module: vtkHyperOctreeSurfaceFilter.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 vtkHyperOctreeSurfaceFilter - Extracts outer (polygonal) surface.
// .SECTION Description
// vtkHyperOctreeSurfaceFilter extracts the surface of an hyperoctree.
// .SECTION See Also
// vtkGeometryFilter vtkStructuredGridGeometryFilter.
#ifndef __vtkHyperOctreeSurfaceFilter_h
#define __vtkHyperOctreeSurfaceFilter_h
#include "vtkPolyDataAlgorithm.h"
class vtkHyperOctreeCursor;
class vtkDataSetAttributes;
class vtkIdTypeArray;
class vtkIncrementalPointLocator;
class VTK_GRAPHICS_EXPORT vtkHyperOctreeSurfaceFilter : public vtkPolyDataAlgorithm
{
public:
static vtkHyperOctreeSurfaceFilter *New();
vtkTypeMacro(vtkHyperOctreeSurfaceFilter,vtkPolyDataAlgorithm);
void PrintSelf(ostream& os, vtkIndent indent);
// Description:
// Turn on/off merging of coincident points. Note that is merging is
// on, points with different point attributes (e.g., normals) are merged,
// which may cause rendering artifacts.
vtkSetMacro(Merging,int);
vtkGetMacro(Merging,int);
vtkBooleanMacro(Merging,int);
// Description:
// Set / get a spatial locator for merging points. By
// default an instance of vtkMergePoints is used.
void SetLocator(vtkIncrementalPointLocator *locator);
vtkGetObjectMacro(Locator,vtkIncrementalPointLocator);
// Description:
// Return the MTime also considering the locator.
unsigned long GetMTime();
// Description:
// If on, the output polygonal dataset will have a celldata array that
// holds the cell index of the original 3D cell that produced each output
// cell. This is useful for cell picking. The default is off to conserve
// memory.
vtkSetMacro(PassThroughCellIds,int);
vtkGetMacro(PassThroughCellIds,int);
vtkBooleanMacro(PassThroughCellIds,int);
protected:
vtkHyperOctreeSurfaceFilter();
~vtkHyperOctreeSurfaceFilter();
virtual int RequestData(vtkInformation *, vtkInformationVector **, vtkInformationVector *);
virtual int FillInputPortInformation(int port, vtkInformation *info);
void GenerateLines(double bounds[2],
vtkIdType ptIds[2]);
void GenerateQuads(double bounds[4],
vtkIdType ptIds[4]);
void GenerateFaces(double bounds[6],
vtkIdType ptIds[8],
int onFace[6]);
// Description:
// Create default locator. Used to create one when none is specified.
void CreateDefaultLocator();
int Merging;
vtkIncrementalPointLocator *Locator;
// Variables used by generate recursively.
// It avoids to pass to much argument.
vtkDataSetAttributes *InputCD;
vtkHyperOctreeCursor *Cursor;
vtkPoints *OutPts;
vtkCellArray *OutCells;
vtkCellData *OutputCD;
int PassThroughCellIds;
void RecordOrigCellId(vtkIdType destIndex, vtkIdType originalId);
vtkIdTypeArray *OriginalCellIds;
private:
vtkHyperOctreeSurfaceFilter(const vtkHyperOctreeSurfaceFilter&); // Not implemented.
void operator=(const vtkHyperOctreeSurfaceFilter&); // Not implemented.
};
#endif
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