65 #ifndef vtkCellArrayIterator_h
66 #define vtkCellArrayIterator_h
68 #include "vtkCommonDataModelModule.h"
76 #include <type_traits>
103 this->CurrentCellId = cellId;
104 this->NumberOfCells = this->CellArray->GetNumberOfCells();
105 assert(cellId <= this->NumberOfCells);
123 this->GoToCell(cellId);
124 this->GetCurrentCell(numCellPts, cellPts);
128 this->GoToCell(cellId);
129 this->GetCurrentCell(cellIds);
133 this->GoToCell(cellId);
134 return this->GetCurrentCell();
148 this->CurrentCellId = 0;
149 this->NumberOfCells = this->CellArray->GetNumberOfCells();
178 assert(this->CurrentCellId < this->NumberOfCells);
180 if (this->CellArray->IsStorageShareable())
182 this->CellArray->GetCellAtId(this->CurrentCellId, cellSize, cellPoints);
186 this->CellArray->GetCellAtId(this->CurrentCellId, this->TempCell);
187 cellSize = this->TempCell->GetNumberOfIds();
188 cellPoints = this->TempCell->GetPointer(0);
193 assert(this->CurrentCellId < this->NumberOfCells);
194 this->CellArray->GetCellAtId(this->CurrentCellId, ids);
198 assert(this->CurrentCellId < this->NumberOfCells);
199 this->CellArray->GetCellAtId(this->CurrentCellId, this->TempCell);
200 return this->TempCell;
216 assert(this->CurrentCellId < this->NumberOfCells);
217 this->CellArray->ReplaceCellAtId(this->CurrentCellId, list);
227 assert(this->CurrentCellId < this->NumberOfCells);
228 this->CellArray->ReplaceCellAtId(this->CurrentCellId, npts, pts);
236 assert(this->CurrentCellId < this->NumberOfCells);
237 this->CellArray->ReverseCellAtId(this->CurrentCellId);
Encapsulate traversal logic for vtkCellArray.
vtkIdList * GetCurrentCell()
Returns the definition of the current cell during forward traversal.
bool IsDoneWithTraversal()
Returns true if the iterator has completed the traversal.
vtkNew< vtkIdList > TempCell
vtkSmartPointer< vtkCellArray > CellArray
static vtkCellArrayIterator * New()
Standard methods for instantiation, type information, and printing.
void GetCurrentCell(vtkIdList *ids)
Returns the definition of the current cell during forward traversal.
void ReplaceCurrentCell(vtkIdType npts, const vtkIdType *pts)
Replace the current cell with the ids in pts.
~vtkCellArrayIterator() override=default
void GetCellAtId(vtkIdType cellId, vtkIdList *cellIds)
The following are methods supporting random access iteration.
vtkCellArray * GetCellArray()
Return the vtkCellArray object over which iteration is occuring.
void GoToCell(vtkIdType cellId)
Intialize the iterator to a specific cell.
void GoToNextCell()
Advance the forward iterator to the next cell.
void GetCellAtId(vtkIdType cellId, vtkIdType &numCellPts, vtkIdType const *&cellPts)
The following are methods supporting random access iteration.
void ReverseCurrentCell()
Reverses the order of the point ids in the current cell.
vtkIdType GetCurrentCellId() const
Returns the id of the current cell during forward iteration.
vtkIdList * GetCellAtId(vtkIdType cellId)
The following are methods supporting random access iteration.
void GetCurrentCell(vtkIdType &cellSize, vtkIdType const *&cellPoints)
Returns the definition of the current cell during forward traversal.
void PrintSelf(ostream &os, vtkIndent indent) override
Standard methods for instantiation, type information, and printing.
vtkCellArrayIterator()=default
void ReplaceCurrentCell(vtkIdList *list)
Specialized methods for performing operations on the vtkCellArray.
void GoToFirstCell()
The following are methods supporting forward iteration.
object to represent cell connectivity
friend class vtkCellArrayIterator
list of point or cell ids
a simple class to control print indentation
abstract base class for most VTK objects