56#ifndef vtkCellIterator_h
57#define vtkCellIterator_h
60#include "vtkCommonDataModelModule.h"
65VTK_ABI_NAMESPACE_BEGIN
193 UninitializedFlag = 0x0,
202 this->CacheFlags = UninitializedFlag;
206 void SetCache(
unsigned char flags) { this->CacheFlags |= flags; }
208 bool CheckCache(
unsigned char flags) {
return (this->CacheFlags & flags) == flags; }
213 unsigned char CacheFlags;
233 if (!this->CheckCache(CellTypeFlag))
236 this->SetCache(CellTypeFlag);
244 if (!this->CheckCache(PointIdsFlag))
247 this->SetCache(PointIdsFlag);
255 if (!this->CheckCache(PointsFlag))
258 this->SetCache(PointsFlag);
266 if (!this->CheckCache(FacesFlag))
269 this->SetCache(FacesFlag);
277 if (!this->CheckCache(PointIdsFlag))
280 this->SetCache(PointIdsFlag);
364 if (!this->CheckCache(FacesFlag))
367 this->SetCache(FacesFlag);
372 vtkGenericWarningMacro(
"Unknown cell type: " << this->CellType);
Efficient cell iterator for vtkDataSet topologies.
int GetCellDimension()
Get the current cell dimension (0, 1, 2, or 3).
virtual void FetchPoints()=0
Lookup the cell points in the data set and store them in this->Points.
void GetCell(vtkGenericCell *cell)
Write the current full cell information into the argument.
virtual void FetchPointIds()=0
Lookup the cell point ids in the data set and store them in this->PointIds.
vtkIdType GetNumberOfFaces()
Return the number of faces in the current cell.
vtkIdList * GetFaces()
Get the faces for a polyhedral cell.
void InitTraversal()
Reset to the first cell.
vtkAbstractTypeMacro(vtkCellIterator, vtkObject)
void PrintSelf(ostream &os, vtkIndent indent) override
Methods invoked by print to print information about the object including superclasses.
vtkPoints * GetPoints()
Get the points in the current cell.
virtual void FetchCellType()=0
Lookup the cell type in the data set and store it in this->CellType.
vtkIdType GetNumberOfPoints()
Return the number of points in the current cell.
virtual void IncrementToNextCell()=0
Update internal state to point to the next cell.
virtual vtkIdType GetCellId()=0
Get the id of the current cell.
virtual void ResetToFirstCell()=0
Update internal state to point to the first cell.
vtkIdList * GetPointIds()
Get the ids of the points in the current cell.
int GetCellType()
Get the current cell type (e.g.
virtual void FetchFaces()
Lookup the cell faces in the data set and store them in this->Faces.
void GoToNextCell()
Increment to next cell.
virtual bool IsDoneWithTraversal()=0
Returns false while the iterator is valid.
~vtkCellIterator() override
provides thread-safe access to cells
list of point or cell ids
vtkIdType GetNumberOfIds() const noexcept
Return the number of id's in the list.
vtkIdType GetId(vtkIdType i)
Return the id at location i.
a simple class to control print indentation
Allocate and hold a VTK object.
abstract base class for most VTK objects
represent and manipulate 3D points
@ VTK_QUADRATIC_HEXAHEDRON
@ VTK_HIGHER_ORDER_TETRAHEDRON
@ VTK_BIQUADRATIC_QUADRATIC_HEXAHEDRON
@ VTK_LAGRANGE_QUADRILATERAL
@ VTK_TRIQUADRATIC_PYRAMID
@ VTK_TRIQUADRATIC_HEXAHEDRON
@ VTK_PARAMETRIC_TRI_SURFACE
@ VTK_LAGRANGE_HEXAHEDRON
@ VTK_HIGHER_ORDER_TRIANGLE
@ VTK_PARAMETRIC_QUAD_SURFACE
@ VTK_LAGRANGE_TETRAHEDRON
@ VTK_HIGHER_ORDER_PYRAMID
@ VTK_PARAMETRIC_HEX_REGION
@ VTK_BEZIER_QUADRILATERAL
@ VTK_QUADRATIC_LINEAR_WEDGE
@ VTK_HIGHER_ORDER_HEXAHEDRON
@ VTK_PARAMETRIC_TETRA_REGION
@ VTK_QUADRATIC_LINEAR_QUAD
@ VTK_BIQUADRATIC_QUADRATIC_WEDGE
@ VTK_HIGHER_ORDER_POLYGON
@ VTK_BIQUADRATIC_TRIANGLE