155#ifndef vtkCellIterator_h
156#define vtkCellIterator_h
160#include "vtkCommonDataModelModule.h"
166VTK_ABI_NAMESPACE_BEGIN
179 void InitTraversal();
300 UninitializedFlag = 0x0,
309 this->CacheFlags = UninitializedFlag;
313 void SetCache(
unsigned char flags) { this->CacheFlags |= flags; }
315 bool CheckCache(
unsigned char flags) {
return (this->CacheFlags & flags) == flags; }
321 unsigned char CacheFlags;
341 if (!this->CheckCache(CellTypeFlag))
344 this->SetCache(CellTypeFlag);
352 if (!this->CheckCache(PointIdsFlag))
355 this->SetCache(PointIdsFlag);
363 if (!this->CheckCache(PointsFlag))
366 this->SetCache(PointsFlag);
374 if (!this->CheckCache(FacesFlag))
377 this->SetCache(FacesFlag);
385 if (!this->CheckCache(FacesFlag))
388 this->SetCache(FacesFlag);
395 for (
vtkIdType idx = 0; idx < tmp->GetNumberOfValues(); ++idx)
397 this->LegacyFacesContainer->
InsertNextId(tmp->GetValue(idx));
399 return this->LegacyFacesContainer;
405 if (!this->CheckCache(PointIdsFlag))
408 this->SetCache(PointIdsFlag);
492 if (!this->CheckCache(FacesFlag))
495 this->SetCache(FacesFlag);
500 vtkGenericWarningMacro(
"Unknown cell type: " << this->CellType);
object to represent cell connectivity
vtkIdType GetNumberOfCells() const override
Get the number of cells in the array.
void ExportLegacyFormat(vtkIdTypeArray *data)
Fill data with the old-style vtkCellArray data layout, e.g.
Efficient cell iterator for vtkDataSet topologies.
int GetCellDimension()
Get the current cell dimension (0, 1, 2, or 3).
vtkIdList * GetSerializedCellFaces()
Get a serialized view of the faces for a polyhedral cell.
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.
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.
vtkCellArray * GetCellFaces()
Get the faces for a polyhedral 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.
void Initialize()
Release memory and restore to unallocated state.
vtkIdType InsertNextId(vtkIdType vtkid)
Add the id specified to the end of the list.
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