167 #ifndef vtkCellIterator_h
168 #define vtkCellIterator_h
171 #include "vtkCommonDataModelModule.h"
188 void InitTraversal();
303 UninitializedFlag = 0x0,
312 this->CacheFlags = UninitializedFlag;
316 void SetCache(
unsigned char flags) { this->CacheFlags |= flags; }
318 bool CheckCache(
unsigned char flags) {
return (this->CacheFlags & flags) == flags; }
323 unsigned char CacheFlags;
343 if (!this->CheckCache(CellTypeFlag))
346 this->SetCache(CellTypeFlag);
354 if (!this->CheckCache(PointIdsFlag))
357 this->SetCache(PointIdsFlag);
365 if (!this->CheckCache(PointsFlag))
368 this->SetCache(PointsFlag);
376 if (!this->CheckCache(FacesFlag))
379 this->SetCache(FacesFlag);
387 if (!this->CheckCache(PointIdsFlag))
390 this->SetCache(PointIdsFlag);
474 if (!this->CheckCache(FacesFlag))
477 this->SetCache(FacesFlag);
482 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(const vtkIdType i)
Return the id at location i.
a simple class to control print indentation
abstract base class for most VTK objects
represent and manipulate 3D points
int GetCellType(const Ioss::ElementTopology *topology)
Returns VTK celltype for a Ioss topology element.
@ 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