/*========================================================================= Program: Visualization Toolkit Module: vtkBridgeCellIteratorOnCellList.cxx 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 vtkBridgeCellIteratorOnCellList - Iterate over cells of a dataset. // .SECTION See Also // vtkBridgeCellIterator, vtkBridgeDataSet, vtkBridgeCellIteratorStrategy #include "vtkBridgeCellIteratorOnCellList.h" #include <assert.h> #include "vtkObjectFactory.h" #include "vtkBridgeCell.h" #include "vtkBridgeDataSet.h" #include "vtkDataSet.h" #include "vtkCell.h" #include "vtkVertex.h" #include "vtkPoints.h" vtkStandardNewMacro(vtkBridgeCellIteratorOnCellList); //----------------------------------------------------------------------------- void vtkBridgeCellIteratorOnCellList::PrintSelf(ostream& os, vtkIndent indent) { this->Superclass::PrintSelf(os,indent); } //----------------------------------------------------------------------------- vtkBridgeCellIteratorOnCellList::vtkBridgeCellIteratorOnCellList() { this->DataSet=0; this->Cells=0; this->Cell=vtkBridgeCell::New(); this->Id=0; // this->DebugOn(); } //----------------------------------------------------------------------------- vtkBridgeCellIteratorOnCellList::~vtkBridgeCellIteratorOnCellList() { if(this->DataSet!=0) { this->DataSet->Delete(); this->DataSet=0; } if(this->Cells!=0) { this->Cells->Delete(); this->Cells=0; } this->Cell->Delete(); this->Cell=0; } //----------------------------------------------------------------------------- // Description: // Move iterator to first position if any (loop initialization). void vtkBridgeCellIteratorOnCellList::Begin() { this->Id=0; // first id of the current dimension } //----------------------------------------------------------------------------- // Description: // Is there no cell at iterator position? (exit condition). int vtkBridgeCellIteratorOnCellList::IsAtEnd() { return this->Id>=this->Cells->GetNumberOfIds(); } //----------------------------------------------------------------------------- // Description: // Cell at current position // \pre not_at_end: !IsAtEnd() // \pre c_exists: c!=0 // THREAD SAFE void vtkBridgeCellIteratorOnCellList::GetCell(vtkGenericAdaptorCell *c) { assert("pre: not_at_end" && !IsAtEnd()); assert("pre: c_exists" && c!=0); vtkBridgeCell *c2=static_cast<vtkBridgeCell *>(c); c2->Init(this->DataSet,this->Cells->GetId(this->Id)); } //----------------------------------------------------------------------------- // Description: // Cell at current position. // NOT THREAD SAFE // \pre not_at_end: !IsAtEnd() // \post result_exits: result!=0 vtkGenericAdaptorCell *vtkBridgeCellIteratorOnCellList::GetCell() { assert("pre: not_at_end" && !IsAtEnd()); this->Cell->Init(this->DataSet,this->Cells->GetId(this->Id)); vtkGenericAdaptorCell *result=this->Cell; assert("post: result_exits" && result!=0); return result; } //----------------------------------------------------------------------------- // Description: // Move iterator to next position. (loop progression). // \pre not_at_end: !IsAtEnd() void vtkBridgeCellIteratorOnCellList::Next() { assert("pre: not_off" && !IsAtEnd()); this->Id++; // next id of the current dimension } //----------------------------------------------------------------------------- // Description: // Used internally by vtkBridgeCell. // Iterate on neighbors defined by `cells' over the dataset `ds'. // \pre cells_exist: cells!=0 // \pre ds_exists: ds!=0 void vtkBridgeCellIteratorOnCellList::InitWithCells(vtkIdList *cells, vtkBridgeDataSet *ds) { assert("pre: cells_exist" && cells!=0); assert("pre: ds_exists" && ds!=0); vtkSetObjectBodyMacro(DataSet,vtkBridgeDataSet,ds); vtkSetObjectBodyMacro(Cells,vtkIdList,cells); }