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/*========================================================================= |
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Program: Insight Segmentation & Registration Toolkit |
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Module: $RCSfile: itkMesh.txx.html,v $ |
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Language: C++ |
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Date: $Date: 2006/01/17 19:15:41 $ |
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Version: $Revision: 1.4 $ |
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Copyright (c) Insight Software Consortium. All rights reserved. |
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See ITKCopyright.txt or http://www.itk.org/HTML/Copyright.htm for details. |
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Portions of this code are covered under the VTK copyright. |
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See VTKCopyright.txt or http://www.kitware.com/VTKCopyright.htm for details. |
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This software is distributed WITHOUT ANY WARRANTY; without even |
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the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR |
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*****PURPOSE. See the above copyright notices for more information. |
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=========================================================================*/ |
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DEF |
#ifndef _itkMesh_txx |
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#define _itkMesh_txx |
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#include "itkMesh.h" |
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#include "itkObjectFactory.h" |
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#include "itkProcessObject.h" |
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#include <algorithm> |
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namespace itk |
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{ |
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template <typename TPixelType, unsigned int VDimension, typename TMeshTraits> |
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void |
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Mesh<TPixelType, VDimension, TMeshTraits> |
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::PrintSelf(std::ostream& os, Indent indent) const |
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{ |
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Superclass::PrintSelf(os, indent); |
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os << indent << "Number Of Points: " |
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<< ((this->m_PointsContainer.GetPointer()) ? this->m_PointsContainer->Size() : 0) << std::endl; |
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os << indent << "Number Of Cell Links: " |
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<< ((m_CellLinksContainer) ? m_CellLinksContainer->Size() : 0) << std::endl; |
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os << indent << "Number Of Cells: " |
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<< ((m_CellsContainer) ? m_CellsContainer->Size() : 0) << std::endl; |
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os << indent << "Size of Cell Data Container: " |
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<< ((m_CellDataContainer) ? m_CellDataContainer->Size() : 0) << std::endl; |
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os << indent << "Number of explicit cell boundary assignments: " |
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LEN |
<< static_cast<unsigned long>( m_BoundaryAssignmentsContainers.size() ) << std::endl; |
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os << indent << "CellsAllocationMethod: " |
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<< m_CellsAllocationMethod << std::endl; |
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} |
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/** |
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* Access routine to set the cell links container. |
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*/ |
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template <typename TPixelType, unsigned int VDimension, typename TMeshTraits> |
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void |
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Mesh<TPixelType, VDimension, TMeshTraits> |
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::SetCellLinks(CellLinksContainer* cellLinks) |
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{ |
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itkDebugMacro("setting CellLinks container to " << cellLinks); |
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if(m_CellLinksContainer != cellLinks) |
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{ |
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m_CellLinksContainer = cellLinks; |
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this->Modified(); |
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} |
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} |
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/** |
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* Access routines to get the cell links container. |
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*/ |
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template <typename TPixelType, unsigned int VDimension, typename TMeshTraits> |
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typename Mesh<TPixelType, VDimension, TMeshTraits>::CellLinksContainerPointer |
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Mesh<TPixelType, VDimension, TMeshTraits> |
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::GetCellLinks() |
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{ |
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itkDebugMacro("returning CellLinks container of " |
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<< m_CellLinksContainer ); |
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return m_CellLinksContainer; |
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} |
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template <typename TPixelType, unsigned int VDimension, typename TMeshTraits> |
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const typename Mesh<TPixelType, VDimension, TMeshTraits>::CellLinksContainerPointer |
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Mesh<TPixelType, VDimension, TMeshTraits> |
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::GetCellLinks() const |
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{ |
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itkDebugMacro("returning CellLinks container of " |
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<< m_CellLinksContainer ); |
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return m_CellLinksContainer; |
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} |
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/** |
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* Access routine to set the cells container. |
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*/ |
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template <typename TPixelType, unsigned int VDimension, typename TMeshTraits> |
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void |
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Mesh<TPixelType, VDimension, TMeshTraits> |
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::SetCells(CellsContainer* cells) |
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{ |
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itkDebugMacro("setting Cells container to " << cells); |
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if(m_CellsContainer != cells) |
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{ |
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this->ReleaseCellsMemory(); |
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m_CellsContainer = cells; |
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this->Modified(); |
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} |
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} |
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/** |
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* Access routines to get the cells container. |
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*/ |
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template <typename TPixelType, unsigned int VDimension, typename TMeshTraits> |
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typename Mesh<TPixelType, VDimension, TMeshTraits>::CellsContainerPointer |
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Mesh<TPixelType, VDimension, TMeshTraits> |
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::GetCells() |
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{ |
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itkDebugMacro("returning Cells container of " << m_CellsContainer ); |
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return m_CellsContainer; |
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} |
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template <typename TPixelType, unsigned int VDimension, typename TMeshTraits> |
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const typename Mesh<TPixelType, VDimension, TMeshTraits>::CellsContainerPointer |
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Mesh<TPixelType, VDimension, TMeshTraits> |
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::GetCells() const |
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{ |
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itkDebugMacro("returning Cells container of " << m_CellsContainer ); |
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return m_CellsContainer; |
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} |
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/** |
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* Access routine to set the cell data container. |
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*/ |
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template <typename TPixelType, unsigned int VDimension, typename TMeshTraits> |
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void |
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Mesh<TPixelType, VDimension, TMeshTraits> |
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::SetCellData(CellDataContainer* cellData) |
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{ |
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itkDebugMacro("setting CellData container to " << cellData); |
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if(m_CellDataContainer != cellData) |
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{ |
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m_CellDataContainer = cellData; |
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this->Modified(); |
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} |
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} |
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/** |
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* Access routines to get the cell data container. |
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*/ |
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template <typename TPixelType, unsigned int VDimension, typename TMeshTraits> |
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typename Mesh<TPixelType, VDimension, TMeshTraits>::CellDataContainerPointer |
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Mesh<TPixelType, VDimension, TMeshTraits> |
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::GetCellData() |
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{ |
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itkDebugMacro("returning CellData container of " |
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<< m_CellDataContainer ); |
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return m_CellDataContainer; |
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} |
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template <typename TPixelType, unsigned int VDimension, typename TMeshTraits> |
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const typename Mesh<TPixelType, VDimension, TMeshTraits>::CellDataContainerPointer |
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Mesh<TPixelType, VDimension, TMeshTraits> |
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::GetCellData() const |
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{ |
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itkDebugMacro("returning CellData container of " |
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<< m_CellDataContainer ); |
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return m_CellDataContainer; |
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} |
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/** |
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* Access routine to set the boundary assignment container for a given |
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* dimension. |
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*/ |
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template <typename TPixelType, unsigned int VDimension, typename TMeshTraits> |
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void |
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Mesh<TPixelType, VDimension, TMeshTraits> |
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::SetBoundaryAssignments( |
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int dimension, |
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BoundaryAssignmentsContainer* boundaryAssignments) |
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{ |
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itkDebugMacro("setting BoundaryAssignments[" << dimension |
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<< "] container to " << boundaryAssignments); |
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if(m_BoundaryAssignmentsContainers[dimension] != boundaryAssignments) |
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{ |
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m_BoundaryAssignmentsContainers[dimension] = boundaryAssignments; |
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this->Modified(); |
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} |
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} |
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/** |
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* Access routines to get the boundary assignment container for a given |
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* dimension. |
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*/ |
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template <typename TPixelType, unsigned int VDimension, typename TMeshTraits> |
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LEN |
typename Mesh<TPixelType, VDimension, TMeshTraits>::BoundaryAssignmentsContainerPointer |
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Mesh<TPixelType, VDimension, TMeshTraits> |
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::GetBoundaryAssignments(int dimension) |
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{ |
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itkDebugMacro("returning BoundaryAssignments[" << dimension |
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<< "] container of " |
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<< m_BoundaryAssignmentsContainers[dimension]); |
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return m_BoundaryAssignmentsContainers[dimension]; |
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} |
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template <typename TPixelType, unsigned int VDimension, typename TMeshTraits> |
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const typename Mesh<TPixelType, VDimension, TMeshTraits> |
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::BoundaryAssignmentsContainerPointer |
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Mesh<TPixelType, VDimension, TMeshTraits> |
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::GetBoundaryAssignments(int dimension) const |
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{ |
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itkDebugMacro("returning BoundaryAssignments[" << dimension |
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<< "] container of " |
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<< m_BoundaryAssignmentsContainers[dimension]); |
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return m_BoundaryAssignmentsContainers[dimension]; |
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} |
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/** |
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* Assign a cell to a cell identifier. If a spot for the cell identifier |
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* does not exist, it will be created automatically. |
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*/ |
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template <typename TPixelType, unsigned int VDimension, typename TMeshTraits> |
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void |
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Mesh<TPixelType, VDimension, TMeshTraits> |
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::SetCell(CellIdentifier cellId, CellAutoPointer & cellPointer ) |
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{ |
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/** |
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* Make sure a cells container exists. |
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*/ |
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if( !m_CellsContainer ) |
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{ |
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this->SetCells(CellsContainer::New()); |
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} |
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/** |
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* Insert the cell into the container with the given identifier. |
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*/ |
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m_CellsContainer->InsertElement(cellId, cellPointer.ReleaseOwnership() ); |
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} |
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/** |
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* Check if a cell exists for a given cell identifier. If a spot for |
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* the cell identifier exists, "cell" is set, and true is returned. |
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* Otherwise, false is returned, and "cell" is not modified. |
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* If "cell" is NULL, then it is never set, but the existence of the cell |
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* is still returned. |
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*/ |
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template <typename TPixelType, unsigned int VDimension, typename TMeshTraits> |
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bool |
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Mesh<TPixelType, VDimension, TMeshTraits> |
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::GetCell(CellIdentifier cellId, CellAutoPointer & cellPointer ) const |
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{ |
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/** |
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* If the cells container doesn't exist, then the cell doesn't exist. |
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*/ |
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if( m_CellsContainer.IsNull() ) |
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{ |
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cellPointer.Reset(); |
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return false; |
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} |
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/** |
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* Ask the container if the cell identifier exists. |
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*/ |
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CellType * cellptr; |
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LEN |
const bool found = m_CellsContainer->GetElementIfIndexExists(cellId, &cellptr); |
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if( found ) |
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{ |
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cellPointer.TakeNoOwnership( cellptr ); |
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} |
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else |
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{ |
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cellPointer.Reset(); |
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} |
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return found; |
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} |
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/** |
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* Assign data to a cell identifier. If a spot for the cell identifier |
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* does not exist, it will be created automatically. There is no check if |
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* a cell with the same identifier exists. |
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*/ |
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template <typename TPixelType, unsigned int VDimension, typename TMeshTraits> |
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void |
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Mesh<TPixelType, VDimension, TMeshTraits> |
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::SetCellData(CellIdentifier cellId, CellPixelType data) |
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{ |
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/** |
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* Make sure a cell data container exists. |
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*/ |
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if( !m_CellDataContainer ) |
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{ |
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this->SetCellData(CellDataContainer::New()); |
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} |
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/** |
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* Insert the cell data into the container with the given identifier. |
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*/ |
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m_CellDataContainer->InsertElement(cellId, data); |
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} |
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|
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|
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/** |
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* Check if cell data exists for a given cell identifier. If a spot for |
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* the cell identifier exists, "data" is set, and true is returned. |
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* Otherwise, false is returned, and "data" is not modified. |
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* If "data" is NULL, then it is never set, but the existence of the cell |
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* data is still returned. |
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*/ |
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template <typename TPixelType, unsigned int VDimension, typename TMeshTraits> |
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bool |
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Mesh<TPixelType, VDimension, TMeshTraits> |
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::GetCellData(CellIdentifier cellId, CellPixelType* data) const |
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{ |
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/** |
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* If the cell data container doesn't exist, then the cell data doesn't |
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* either. |
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*/ |
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if( !m_CellDataContainer ) |
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IND |
****return false; |
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|
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/** |
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* Ask the container if the cell identifier exists. |
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*/ |
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return m_CellDataContainer->GetElementIfIndexExists(cellId, data); |
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} |
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|
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|
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/** |
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* Explicitly assign boundaryId as a part of the boundary of cellId. |
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* The identifiers boundaryId and cellId must identify cell objects |
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* already in the mesh. The dimension of boundaryId must be specified |
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* by 'dimension', and a unique CellFeatureIdentifier featureId must be |
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* assigned for each distinct boundary feature of a given dimension. |
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* CellFeatureIdentifier is equivalent to unsigned long by default, |
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* and will not typically need to be changed. The UsingCells list of |
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* boundaryId is automatically updated to include cellId. |
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*/ |
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template <typename TPixelType, unsigned int VDimension, typename TMeshTraits> |
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void |
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Mesh<TPixelType, VDimension, TMeshTraits> |
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::SetBoundaryAssignment(int dimension, CellIdentifier cellId, |
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CellFeatureIdentifier featureId, |
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CellIdentifier boundaryId) |
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{ |
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BoundaryAssignmentIdentifier assignId( cellId, featureId ); |
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|
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/** |
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* Make sure a boundary assignment container exists for the given dimension. |
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*/ |
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if( !m_BoundaryAssignmentsContainers[dimension] ) |
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{ |
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this->SetBoundaryAssignments( |
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dimension, BoundaryAssignmentsContainer::New() ); |
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} |
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|
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/** |
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* Insert the boundary assignment into the container with the given |
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* assignment identifier in the given dimension. |
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*/ |
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LEN |
m_BoundaryAssignmentsContainers[dimension]->InsertElement( assignId, boundaryId ); |
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|
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/** |
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* Add cellId to the UsingCells list of boundaryId. |
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*/ |
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CellAutoPointer boundaryCell; |
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this->GetCell( boundaryId, boundaryCell ); |
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boundaryCell->AddUsingCell( cellId ); |
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|
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} |
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|
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|
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/** |
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* Check if an explicit boundary assignment exists. |
| 379 |
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*/ |
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|
template <typename TPixelType, unsigned int VDimension, typename TMeshTraits> |
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bool |
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Mesh<TPixelType, VDimension, TMeshTraits> |
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::GetBoundaryAssignment(int dimension, CellIdentifier cellId, |
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CellFeatureIdentifier featureId, |
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CellIdentifier* boundaryId) const |
| 386 |
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{ |
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BoundaryAssignmentIdentifier assignId(cellId, featureId); |
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|
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/** |
| 390 |
|
* If the boundary assignments container for the given dimension doesn't |
| 391 |
|
* exist, then the boundary assignment doesn't either. |
| 392 |
|
*/ |
| 393 |
|
if( !m_BoundaryAssignmentsContainers[dimension] ) |
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IND |
****return false; |
| 395 |
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|
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/** |
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|
* Ask the container if the boundary assignment exists. |
| 398 |
|
*/ |
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return m_BoundaryAssignmentsContainers[dimension]-> |
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IND |
****GetElementIfIndexExists(assignId, boundaryId); |
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} |
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|
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|
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/** |
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* Remove an explicit boundary assignment if it exists. |
| 406 |
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* Returns whether the assignment was found at all. |
| 407 |
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*/ |
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|
template <typename TPixelType, unsigned int VDimension, typename TMeshTraits> |
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bool |
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Mesh<TPixelType, VDimension, TMeshTraits> |
| 411 |
|
::RemoveBoundaryAssignment(int dimension, CellIdentifier cellId, |
| 412 |
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CellFeatureIdentifier featureId) |
| 413 |
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{ |
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BoundaryAssignmentIdentifier assignId(cellId, featureId); |
| 415 |
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|
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/** |
| 417 |
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* If the boundary assignments container for the given dimension doesn't |
| 418 |
|
* exist, then the boundary assignment doesn't either. |
| 419 |
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*/ |
| 420 |
|
if( !m_BoundaryAssignmentsContainers[dimension] ) |
| 421 |
IND |
****return false; |
| 422 |
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|
| 423 |
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/** |
| 424 |
|
* Ask the container if the boundary assignment exists, and delete it if |
| 425 |
|
* so. |
| 426 |
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*/ |
| 427 |
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if(m_BoundaryAssignmentsContainers[dimension]->IndexExists(assignId)) |
| 428 |
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{ |
| 429 |
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m_BoundaryAssignmentsContainers[dimension]->DeleteIndex(assignId); |
| 430 |
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return true; |
| 431 |
|
} |
| 432 |
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else return false; |
| 433 |
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} |
| 434 |
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|
| 435 |
|
|
| 436 |
|
/** |
| 437 |
|
* Get the number of cell boundary features of the given topological dimension |
| 438 |
|
* on the cell with the given identifier. |
| 439 |
|
*/ |
| 440 |
|
template <typename TPixelType, unsigned int VDimension, typename TMeshTraits> |
| 441 |
|
typename Mesh<TPixelType, VDimension, TMeshTraits>::CellFeatureCount |
| 442 |
|
Mesh<TPixelType, VDimension, TMeshTraits> |
| 443 |
|
::GetNumberOfCellBoundaryFeatures(int dimension, CellIdentifier cellId) const |
| 444 |
|
{ |
| 445 |
|
/** |
| 446 |
|
* Make sure the cell container exists and contains the given cell Id. |
| 447 |
|
*/ |
| 448 |
|
if( !m_CellsContainer ) return 0; |
| 449 |
|
if(!m_CellsContainer->IndexExists(cellId)) return 0; |
| 450 |
|
|
| 451 |
|
/** |
| 452 |
|
* Ask the cell for its boundary count of the given dimension. |
| 453 |
|
*/ |
| 454 |
|
return m_CellsContainer->GetElement(cellId)-> |
| 455 |
IND |
****GetNumberOfBoundaryFeatures(dimension); |
| 456 |
|
} |
| 457 |
|
|
| 458 |
|
|
| 459 |
|
/** |
| 460 |
|
* Copy the geometric and topological structure of the given input mesh. |
| 461 |
|
* The copying is done via reference counting. |
| 462 |
|
*/ |
| 463 |
|
template <typename TPixelType, unsigned int VDimension, typename TMeshTraits> |
| 464 |
|
void |
| 465 |
|
Mesh<TPixelType, VDimension, TMeshTraits> |
| 466 |
|
::PassStructure(Self*) |
| 467 |
|
{ |
| 468 |
|
// IMPLEMENT ME |
| 469 |
|
} |
| 470 |
|
|
| 471 |
|
|
| 472 |
|
/** |
| 473 |
|
* Get the number of cells in the CellsContainer. |
| 474 |
|
*/ |
| 475 |
|
template <typename TPixelType, unsigned int VDimension, typename TMeshTraits> |
| 476 |
|
unsigned long |
| 477 |
|
Mesh<TPixelType, VDimension, TMeshTraits> |
| 478 |
|
::GetNumberOfCells() const |
| 479 |
|
{ |
| 480 |
|
if ( ! m_CellsContainer ) |
| 481 |
|
{ |
| 482 |
|
return 0; |
| 483 |
|
} |
| 484 |
|
else |
| 485 |
|
{ |
| 486 |
|
return m_CellsContainer->Size(); |
| 487 |
|
} |
| 488 |
|
} |
| 489 |
|
|
| 490 |
|
|
| 491 |
|
/** |
| 492 |
|
* Get the bounding box of the cell with the given identifier. |
| 493 |
|
*/ |
| 494 |
|
template <typename TPixelType, unsigned int VDimension, typename TMeshTraits> |
| 495 |
|
typename Mesh<TPixelType, VDimension, TMeshTraits>::BoundingBoxPointer |
| 496 |
|
Mesh<TPixelType, VDimension, TMeshTraits> |
| 497 |
|
::GetCellBoundingBox(CellIdentifier cellId, BoundingBoxPointer bbox) |
| 498 |
|
{ |
| 499 |
|
bbox->SetPoints(this->GetPoints()); |
| 500 |
|
return bbox; |
| 501 |
|
} |
| 502 |
|
|
| 503 |
|
|
| 504 |
|
/** |
| 505 |
|
* Given the geometric coordinates of a point and a squared tolerance, |
| 506 |
|
* locate .....COMMENT ME..... |
| 507 |
|
*/ |
| 508 |
|
#if 0 |
| 509 |
|
template <typename TPixelType, unsigned int VDimension, typename TMeshTraits> |
| 510 |
|
bool |
| 511 |
|
Mesh<TPixelType, VDimension, TMeshTraits> |
| 512 |
|
::FindCell(CoordRep coords[PointDimension], ..FINISH ME..) |
| 513 |
|
#endif |
| 514 |
|
|
| 515 |
|
/** |
| 516 |
|
* Restore the Mesh to its initial state. Useful for data pipeline updates |
| 517 |
|
* without memory re-allocation. |
| 518 |
|
*/ |
| 519 |
IND |
**template <typename TPixelType, unsigned int VDimension, typename TMeshTraits> |
| 520 |
|
void |
| 521 |
|
Mesh<TPixelType, VDimension, TMeshTraits> |
| 522 |
|
::Initialize() |
| 523 |
|
{ |
| 524 |
|
itkDebugMacro("Mesh Initialize method "); |
| 525 |
|
Superclass::Initialize(); |
| 526 |
|
|
| 527 |
|
this->ReleaseCellsMemory(); |
| 528 |
|
|
| 529 |
|
m_CellsContainer = 0; |
| 530 |
|
m_CellDataContainer = 0; |
| 531 |
|
m_CellLinksContainer = 0; |
| 532 |
|
|
| 533 |
|
} |
| 534 |
|
|
| 535 |
|
|
| 536 |
|
/** |
| 537 |
|
* Get the boundary feature of the given dimension of the given cell |
| 538 |
|
* corresponding to the given feature identifier. If the boundary |
| 539 |
|
* feature has been explicitly assigned, then \a boundary will be left |
| 540 |
|
* pointing to the appropriate cell in the mesh. If the boundary has |
| 541 |
|
* not been explicitly assigned, then a boundary cell will be |
| 542 |
|
* constructed and placed in \a boundary. The constructed cell will |
| 543 |
|
* not be added to the mesh or somehow cached. |
| 544 |
|
*/ |
| 545 |
|
template <typename TPixelType, unsigned int VDimension, typename TMeshTraits> |
| 546 |
|
bool |
| 547 |
|
Mesh<TPixelType, VDimension, TMeshTraits> |
| 548 |
|
::GetCellBoundaryFeature(int dimension, CellIdentifier cellId, |
| 549 |
|
CellFeatureIdentifier featureId, |
| 550 |
|
CellAutoPointer& boundary) const |
| 551 |
|
{ |
| 552 |
|
/** |
| 553 |
|
* First check if the boundary has been explicitly assigned. |
| 554 |
|
*/ |
| 555 |
|
if(GetAssignedCellBoundaryIfOneExists(dimension, cellId, featureId, boundary)) |
| 556 |
|
{ |
| 557 |
|
return true; |
| 558 |
|
} |
| 559 |
|
|
| 560 |
|
/** |
| 561 |
|
* It was not explicitly assigned, so ask the cell to construct it. |
| 562 |
|
* This will be a geometric copy of the actual boundary feature, not |
| 563 |
|
* a pointer to an actual cell in the mesh. |
| 564 |
|
*/ |
| 565 |
|
if(( !m_CellsContainer.IsNull() ) && m_CellsContainer->IndexExists(cellId)) |
| 566 |
|
{ |
| 567 |
|
// Don't take ownership |
| 568 |
|
CellType * thecell = m_CellsContainer->GetElement(cellId); |
| 569 |
|
if( thecell->GetBoundaryFeature(dimension, featureId, boundary ) ) |
| 570 |
|
{ |
| 571 |
|
return true; |
| 572 |
|
} |
| 573 |
|
else |
| 574 |
|
{ |
| 575 |
|
boundary.Reset(); |
| 576 |
|
return false; |
| 577 |
|
} |
| 578 |
|
} |
| 579 |
|
|
| 580 |
|
/** |
| 581 |
|
* The cell did not exist, so just give up. |
| 582 |
|
*/ |
| 583 |
|
boundary.Reset(); |
| 584 |
|
|
| 585 |
|
return false; |
| 586 |
|
|
| 587 |
|
} |
| 588 |
|
|
| 589 |
|
|
| 590 |
|
/** |
| 591 |
|
* Get the set of cells neighboring the given cell across the given boundary |
| 592 |
|
* feature. Returns the number of neighbors found. If cellSet is not |
| 593 |
|
* NULL, the set of cell pointers is filled in with identifiers of the |
| 594 |
|
* neighboring cells. |
| 595 |
|
* |
| 596 |
|
* NOTE: We would like to change this to use an "output iterator" |
| 597 |
|
* (in STL fashion) instead of an actual container to return the neighbor |
| 598 |
|
* identifiers. This requires templated member support by the compiler, |
| 599 |
|
* though, and we are not sure how wide-spread this support is. |
| 600 |
|
*/ |
| 601 |
|
template <typename TPixelType, unsigned int VDimension, typename TMeshTraits> |
| 602 |
|
unsigned long |
| 603 |
|
Mesh<TPixelType, VDimension, TMeshTraits> |
| 604 |
|
::GetCellBoundaryFeatureNeighbors(int dimension, CellIdentifier cellId, |
| 605 |
|
CellFeatureIdentifier featureId, |
| 606 |
|
std::set<CellIdentifier>* cellSet) |
| 607 |
|
{ |
| 608 |
|
/** |
| 609 |
|
* Sanity check on mesh status. |
| 610 |
|
*/ |
| 611 |
|
if( !this->m_PointsContainer || !m_CellsContainer || |
| 612 |
|
(!m_CellsContainer->IndexExists(cellId)) ) |
| 613 |
|
{ |
| 614 |
|
/** |
| 615 |
|
* TODO: Throw EXCEPTION here? |
| 616 |
|
*/ |
| 617 |
|
return 0; |
| 618 |
|
} |
| 619 |
|
|
| 620 |
|
/** |
| 621 |
|
* First check if the boundary has been explicitly assigned. |
| 622 |
|
*/ |
| 623 |
|
CellAutoPointer boundary; |
| 624 |
|
if( this->GetAssignedCellBoundaryIfOneExists( |
| 625 |
|
dimension, cellId, featureId, boundary) ) |
| 626 |
|
{ |
| 627 |
|
/** |
| 628 |
|
* Explicitly assigned boundary found. Loop through its UsingCells, |
| 629 |
|
* and put them in the output set except for the cell through which the |
| 630 |
|
* request was made. First we empty the output set. |
| 631 |
|
*/ |
| 632 |
|
if(cellSet != 0) |
| 633 |
|
{ |
| 634 |
|
cellSet->erase(cellSet->begin(), cellSet->end()); |
| 635 |
|
|
| 636 |
|
typename CellType::UsingCellsContainerIterator usingCell; |
| 637 |
SEM |
for(usingCell = boundary->UsingCellsBegin() ; |
| 638 |
SEM,IND |
**********usingCell != boundary->UsingCellsEnd() ; ++usingCell) |
| 639 |
|
{ |
| 640 |
|
if((*usingCell) != cellId) |
| 641 |
|
{ |
| 642 |
|
cellSet->insert(*usingCell); |
| 643 |
|
} |
| 644 |
|
} |
| 645 |
|
} |
| 646 |
|
/** |
| 647 |
|
* The number of neighboring cells is the number of cells using the |
| 648 |
|
* boundary less one for the cell through which the request was made. |
| 649 |
|
*/ |
| 650 |
|
return (boundary->GetNumberOfUsingCells()-1); |
| 651 |
|
} |
| 652 |
|
|
| 653 |
|
|
| 654 |
|
/** |
| 655 |
|
* An explicit assignment for the boundary was not found. We use set |
| 656 |
|
* operations through point neighboring information to get the neighbors. |
| 657 |
|
* This requires that the CellLinks be built. |
| 658 |
|
*/ |
| 659 |
|
if( !m_CellLinksContainer ) |
| 660 |
|
{ |
| 661 |
|
this->BuildCellLinks(); |
| 662 |
|
} |
| 663 |
LEN |
else if((this->m_PointsContainer->GetMTime() > m_CellLinksContainer->GetMTime()) || |
| 664 |
IND |
**********(m_CellsContainer->GetMTime() > m_CellLinksContainer->GetMTime())) |
| 665 |
|
{ |
| 666 |
|
this->BuildCellLinks(); |
| 667 |
|
} |
| 668 |
|
|
| 669 |
|
/** |
| 670 |
|
* Cell links are up to date. We can proceed with the set operations. |
| 671 |
|
* We need to intersect the CellLinks sets for each point on the boundary |
| 672 |
|
* feature. |
| 673 |
|
*/ |
| 674 |
|
|
| 675 |
|
/** |
| 676 |
|
* First, ask the cell to construct the boundary feature so we can look |
| 677 |
|
* at its points. |
| 678 |
|
*/ |
| 679 |
|
m_CellsContainer->GetElement(cellId) |
| 680 |
IND |
****->GetBoundaryFeature(dimension, featureId, boundary); |
| 681 |
|
|
| 682 |
|
|
| 683 |
|
/** |
| 684 |
|
* Now get the cell links for the first point. Also allocate a second set |
| 685 |
|
* for temporary storage during set intersections below. |
| 686 |
|
*/ |
| 687 |
|
typename CellType::PointIdConstIterator pointId = boundary->PointIdsBegin(); |
| 688 |
|
PointCellLinksContainer* currentCells = |
| 689 |
IND |
****new PointCellLinksContainer(m_CellLinksContainer->GetElement(*pointId++)); |
| 690 |
|
PointCellLinksContainer* tempCells = new PointCellLinksContainer(); |
| 691 |
|
|
| 692 |
|
/** |
| 693 |
|
* Next, loop over the other points, and intersect their cell links with |
| 694 |
|
* the current result. We maintain "currentCells" as a pointer to the |
| 695 |
|
* current cell set instead of a set itself to prevent an extra copy of |
| 696 |
|
* the temporary set after each intersection. |
| 697 |
|
*/ |
| 698 |
|
while(pointId != boundary->PointIdsEnd()) |
| 699 |
|
{ |
| 700 |
|
/** |
| 701 |
|
* Clean out temporary cell set from previous iteration. |
| 702 |
|
*/ |
| 703 |
|
tempCells->erase(tempCells->begin(), tempCells->end()); |
| 704 |
|
|
| 705 |
|
/** |
| 706 |
|
* Perform the intersection. |
| 707 |
|
*/ |
| 708 |
LEN |
std::set_intersection(m_CellLinksContainer->CreateElementAt(*pointId).begin(), |
| 709 |
IND |
**************************m_CellLinksContainer->CreateElementAt(*pointId).end(), |
| 710 |
IND |
**************************currentCells->begin(), |
| 711 |
IND |
**************************currentCells->end(), |
| 712 |
IND |
**************************std::inserter(*tempCells, tempCells->begin())); |
| 713 |
|
|
| 714 |
|
/** |
| 715 |
|
* Switch the cell set pointers to make the intersection result the |
| 716 |
|
* current set. |
| 717 |
|
*/ |
| 718 |
|
std::swap(currentCells, tempCells); |
| 719 |
|
|
| 720 |
|
/** |
| 721 |
|
* Move on to the next point. |
| 722 |
|
*/ |
| 723 |
|
++pointId; |
| 724 |
|
} |
| 725 |
|
|
| 726 |
|
/** |
| 727 |
|
* Don't need the second set anymore. |
| 728 |
|
*/ |
| 729 |
|
delete tempCells; |
| 730 |
|
|
| 731 |
|
/** delete the boundary feature added as a temporary auxiliar object, |
| 732 |
IND |
******being an AutoPointer it will release memory when going out of scope */ |
| 733 |
|
|
| 734 |
|
/** |
| 735 |
|
* Now we have a set of all the cells which share all the points on the |
| 736 |
|
* boundary feature. We simply need to copy this set to the output cell |
| 737 |
|
* set, less the cell through which the request was made. |
| 738 |
|
*/ |
| 739 |
|
currentCells->erase(cellId); |
| 740 |
|
unsigned long numberOfNeighboringCells = currentCells->size(); |
| 741 |
|
if(cellSet != 0) |
| 742 |
|
{ |
| 743 |
|
*cellSet = *currentCells; |
| 744 |
|
} |
| 745 |
|
|
| 746 |
|
/** |
| 747 |
|
* Don't need the cell set anymore. |
| 748 |
|
*/ |
| 749 |
|
delete currentCells; |
| 750 |
|
|
| 751 |
|
/** |
| 752 |
|
* Return the number of neighboring cells that were put into the set. |
| 753 |
|
*/ |
| 754 |
|
return numberOfNeighboringCells; |
| 755 |
|
} |
| 756 |
|
|
| 757 |
|
/** |
| 758 |
|
* Get the set of cells having the given cell as part of their |
| 759 |
|
* boundary. Returns the number of neighbors found. If cellSet is not |
| 760 |
|
* NULL, the set of cell pointers is filled in with identifiers of the |
| 761 |
|
* neighboring cells. |
| 762 |
|
* |
| 763 |
|
* NOTE: We would like to change this to use an "output iterator" |
| 764 |
|
* (in STL fashion) instead of an actual container to return the neighbor |
| 765 |
|
* identifiers. This requires templated member support by the compiler, |
| 766 |
|
* though, and we are not sure how wide-spread this support is. |
| 767 |
|
*/ |
| 768 |
|
template <typename TPixelType, unsigned int VDimension, typename TMeshTraits> |
| 769 |
|
unsigned long |
| 770 |
|
Mesh<TPixelType, VDimension, TMeshTraits> |
| 771 |
|
::GetCellNeighbors( CellIdentifier cellId, std::set<CellIdentifier>* cellSet ) |
| 772 |
|
{ |
| 773 |
|
/** |
| 774 |
|
* Sanity check on mesh status. |
| 775 |
|
*/ |
| 776 |
|
if( !this->m_PointsContainer || !m_CellsContainer || |
| 777 |
|
(!m_CellsContainer->IndexExists(cellId)) ) |
| 778 |
|
{ |
| 779 |
|
/** |
| 780 |
|
* TODO: Throw EXCEPTION here? |
| 781 |
|
*/ |
| 782 |
|
return 0; |
| 783 |
|
} |
| 784 |
|
|
| 785 |
|
/** |
| 786 |
|
* Get the cell itself. IndexExists call above should ensure that |
| 787 |
|
* GetCell() returns true, but be safe anyway. |
| 788 |
|
*/ |
| 789 |
|
CellAutoPointer cell; |
| 790 |
|
if( !this->GetCell( cellId, cell ) ) |
| 791 |
|
{ |
| 792 |
|
return 0; |
| 793 |
|
} |
| 794 |
|
|
| 795 |
|
/** |
| 796 |
|
* If the cell's UsingCells list is nonempty, then use it. |
| 797 |
|
*/ |
| 798 |
|
if( cell->GetNumberOfUsingCells() != 0 ) |
| 799 |
|
{ |
| 800 |
|
|
| 801 |
|
/** |
| 802 |
|
* Loop through UsingCells and put them in the output set. First |
| 803 |
|
* we empty the output set. |
| 804 |
|
*/ |
| 805 |
|
if(cellSet != 0) |
| 806 |
|
{ |
| 807 |
|
cellSet->erase(cellSet->begin(), cellSet->end()); |
| 808 |
|
|
| 809 |
|
typename CellType::UsingCellsContainerIterator usingCell; |
| 810 |
SEM |
for(usingCell = cell->UsingCellsBegin() ; |
| 811 |
SEM,IND |
**********usingCell != cell->UsingCellsEnd() ; ++usingCell) |
| 812 |
|
{ |
| 813 |
|
cellSet->insert(*usingCell); |
| 814 |
|
} |
| 815 |
|
} |
| 816 |
|
return cell->GetNumberOfUsingCells(); |
| 817 |
|
} |
| 818 |
|
|
| 819 |
|
|
| 820 |
|
/** |
| 821 |
|
* The cell's UsingCells list was empy. We use set operations |
| 822 |
|
* through point neighboring information to get the neighbors. This |
| 823 |
|
* requires that the CellLinks be built. |
| 824 |
|
*/ |
| 825 |
|
if( !m_CellLinksContainer || |
| 826 |
LEN |
(this->m_PointsContainer->GetMTime() > m_CellLinksContainer->GetMTime()) || |
| 827 |
IND |
******(m_CellsContainer->GetMTime() > m_CellLinksContainer->GetMTime()) ) |
| 828 |
|
{ |
| 829 |
|
this->BuildCellLinks(); |
| 830 |
|
} |
| 831 |
|
|
| 832 |
|
/** |
| 833 |
|
* Cell links are up to date. We can proceed with the set operations. |
| 834 |
|
* We need to intersect the CellLinks sets for each point on the |
| 835 |
|
* given cell. |
| 836 |
|
*/ |
| 837 |
|
|
| 838 |
|
/** |
| 839 |
|
* Now get the cell links for the first point. Also allocate a second set |
| 840 |
|
* for temporary storage during set intersections below. |
| 841 |
|
*/ |
| 842 |
|
typename CellType::PointIdConstIterator pointId = cell->PointIdsBegin(); |
| 843 |
|
PointCellLinksContainer* currentCells = |
| 844 |
IND |
****new PointCellLinksContainer(m_CellLinksContainer->GetElement(*pointId++)); |
| 845 |
|
PointCellLinksContainer* tempCells = new PointCellLinksContainer(); |
| 846 |
|
|
| 847 |
|
/** |
| 848 |
|
* Next, loop over the other points, and intersect their cell links with |
| 849 |
|
* the current result. We maintain "currentCells" as a pointer to the |
| 850 |
|
* current cell set instead of a set itself to prevent an extra copy of |
| 851 |
|
* the temporary set after each intersection. |
| 852 |
|
*/ |
| 853 |
|
while(pointId != cell->PointIdsEnd()) |
| 854 |
|
{ |
| 855 |
|
/** |
| 856 |
|
* Clean out temporary cell set from previous iteration. |
| 857 |
|
*/ |
| 858 |
|
tempCells->erase(tempCells->begin(), tempCells->end()); |
| 859 |
|
|
| 860 |
|
/** |
| 861 |
|
* Perform the intersection. |
| 862 |
|
*/ |
| 863 |
LEN |
std::set_intersection(m_CellLinksContainer->CreateElementAt(*pointId).begin(), |
| 864 |
IND |
**************************m_CellLinksContainer->CreateElementAt(*pointId).end(), |
| 865 |
IND |
**************************currentCells->begin(), |
| 866 |
IND |
**************************currentCells->end(), |
| 867 |
IND |
**************************std::inserter(*tempCells, tempCells->begin())); |
| 868 |
|
|
| 869 |
|
/** |
| 870 |
|
* Switch the cell set pointers to make the intersection result the |
| 871 |
|
* current set. |
| 872 |
|
*/ |
| 873 |
|
std::swap(currentCells, tempCells); |
| 874 |
|
|
| 875 |
|
/** |
| 876 |
|
* Move on to the next point. |
| 877 |
|
*/ |
| 878 |
|
++pointId; |
| 879 |
|
} |
| 880 |
|
|
| 881 |
|
/** |
| 882 |
|
* Don't need the second set anymore. |
| 883 |
|
*/ |
| 884 |
|
delete tempCells; |
| 885 |
|
|
| 886 |
|
/** |
| 887 |
|
* Now we have a set of all the cells which share all the points on |
| 888 |
|
* the original cell determined by cellId. We simply need to copy |
| 889 |
|
* this set to the output cell set. |
| 890 |
|
*/ |
| 891 |
|
unsigned long numberOfNeighboringCells = currentCells->size(); |
| 892 |
|
if(cellSet != 0) |
| 893 |
|
{ |
| 894 |
|
*cellSet = *currentCells; |
| 895 |
|
} |
| 896 |
|
|
| 897 |
|
/** |
| 898 |
|
* Don't need the cell set anymore. |
| 899 |
|
*/ |
| 900 |
|
delete currentCells; |
| 901 |
|
|
| 902 |
|
/** |
| 903 |
|
* Return the number of neighboring cells that were put into the set. |
| 904 |
|
*/ |
| 905 |
|
return numberOfNeighboringCells; |
| 906 |
|
} |
| 907 |
|
|
| 908 |
|
|
| 909 |
|
/** |
| 910 |
|
* Check if there is an explicitly assigned boundary feature for the |
| 911 |
|
* given dimension and cell- and cell-feature-identifiers. If there is, |
| 912 |
|
* a pointer to it is given back through "boundary" (if it isn't 0) and |
| 913 |
|
* true is returned. Otherwise, false is returned. |
| 914 |
|
* |
| 915 |
|
* This version is new. It does not treat boundaries as a separate |
| 916 |
|
* type. A boundary (boundary component, really) is just a cell that |
| 917 |
|
* is part of the boundary of another cell. As this conversion is |
| 918 |
|
* completed, the parts that use the boundary types will be removed. |
| 919 |
|
*/ |
| 920 |
|
template <typename TPixelType, unsigned int VDimension, typename TMeshTraits> |
| 921 |
|
bool |
| 922 |
|
Mesh<TPixelType, VDimension, TMeshTraits> |
| 923 |
|
::GetAssignedCellBoundaryIfOneExists( int dimension, CellIdentifier cellId, |
| 924 |
|
CellFeatureIdentifier featureId, |
| 925 |
|
CellAutoPointer& boundary ) const |
| 926 |
|
{ |
| 927 |
|
if( m_BoundaryAssignmentsContainers[dimension].IsNotNull() ) |
| 928 |
|
{ |
| 929 |
|
BoundaryAssignmentIdentifier assignId(cellId, featureId); |
| 930 |
|
CellIdentifier boundaryId; |
| 931 |
|
|
| 932 |
|
if( m_BoundaryAssignmentsContainers[dimension]-> |
| 933 |
|
GetElementIfIndexExists( assignId, &boundaryId ) ) |
| 934 |
|
{ |
| 935 |
|
CellType* boundaryptr; |
| 936 |
|
const bool found = m_CellsContainer-> |
| 937 |
IND |
********GetElementIfIndexExists( boundaryId, &boundaryptr ); |
| 938 |
|
boundary.TakeNoOwnership( boundaryptr ); |
| 939 |
|
return found; |
| 940 |
|
} |
| 941 |
|
} |
| 942 |
|
|
| 943 |
|
/** An explicitly assigned boundary was not found. */ |
| 944 |
|
boundary.Reset(); |
| 945 |
|
return false; |
| 946 |
|
} |
| 947 |
|
|
| 948 |
|
/** |
| 949 |
|
* Dynamically build the links from points back to their using cells. This |
| 950 |
|
* information is stored in the cell links container, not in the points. |
| 951 |
|
*/ |
| 952 |
|
template <typename TPixelType, unsigned int VDimension, typename TMeshTraits> |
| 953 |
|
void |
| 954 |
|
Mesh<TPixelType, VDimension, TMeshTraits> |
| 955 |
|
::Accept(CellMultiVisitorType* mv) |
| 956 |
|
{ |
| 957 |
|
if(!m_CellsContainer) |
| 958 |
|
{ |
| 959 |
|
return; |
| 960 |
|
} |
| 961 |
|
for(CellsContainerIterator i = m_CellsContainer->Begin(); |
| 962 |
IND |
******i != m_CellsContainer->End(); ++i) |
| 963 |
|
{ |
| 964 |
|
if( i->Value() ) |
| 965 |
|
{ |
| 966 |
|
i->Value()->Accept(i->Index(), mv); |
| 967 |
|
} |
| 968 |
|
else |
| 969 |
|
{ |
| 970 |
|
itkDebugMacro("Null cell at " << i->Index()); |
| 971 |
|
} |
| 972 |
|
} |
| 973 |
|
} |
| 974 |
|
|
| 975 |
|
|
| 976 |
|
/** |
| 977 |
|
* Dynamically build the links from points back to their using cells. This |
| 978 |
|
* information is stored in the cell links container, not in the points. |
| 979 |
|
*/ |
| 980 |
|
template <typename TPixelType, unsigned int VDimension, typename TMeshTraits> |
| 981 |
|
void |
| 982 |
|
Mesh<TPixelType, VDimension, TMeshTraits> |
| 983 |
|
::BuildCellLinks() |
| 984 |
|
{ |
| 985 |
|
/** |
| 986 |
|
* Make sure we have a cells and a points container. |
| 987 |
|
*/ |
| 988 |
|
if( !this->m_PointsContainer || !m_CellsContainer ) |
| 989 |
|
{ |
| 990 |
|
/** |
| 991 |
|
* TODO: Throw EXCEPTION here? |
| 992 |
|
*/ |
| 993 |
|
return; |
| 994 |
|
} |
| 995 |
|
|
| 996 |
|
/** |
| 997 |
|
* Make sure the cell links container exists. |
| 998 |
|
*/ |
| 999 |
|
if( !m_CellLinksContainer ) |
| 1000 |
|
{ |
| 1001 |
|
this->SetCellLinks(CellLinksContainer::New()); |
| 1002 |
|
} |
| 1003 |
|
|
| 1004 |
|
/** |
| 1005 |
|
* Loop through each cell, and add its identifier to the CellLinks of each |
| 1006 |
|
* of its points. |
| 1007 |
|
*/ |
| 1008 |
SEM |
for(CellsContainerIterator cellItr = m_CellsContainer->Begin() ; |
| 1009 |
SEM,IND |
******cellItr != m_CellsContainer->End() ; ++cellItr) |
| 1010 |
|
{ |
| 1011 |
|
CellIdentifier cellId = cellItr->Index(); |
| 1012 |
|
CellType * cellptr = cellItr->Value(); |
| 1013 |
|
|
| 1014 |
|
/** |
| 1015 |
|
* For each point, make sure the cell links container has its index, |
| 1016 |
|
* and then insert the cell ID into the point's set. |
| 1017 |
|
*/ |
| 1018 |
LEN,SEM |
for(typename CellType::PointIdConstIterator pointId = cellptr->PointIdsBegin() ; |
| 1019 |
SEM,IND |
********pointId != cellptr->PointIdsEnd() ; ++pointId) |
| 1020 |
|
{ |
| 1021 |
|
(m_CellLinksContainer->CreateElementAt(*pointId)).insert(cellId); |
| 1022 |
|
} |
| 1023 |
|
} |
| 1024 |
|
} |
| 1025 |
|
|
| 1026 |
|
|
| 1027 |
|
/****************************************************************************** |
| 1028 |
|
* PROTECTED METHOD DEFINITIONS |
| 1029 |
|
*****************************************************************************/ |
| 1030 |
|
|
| 1031 |
|
/** |
| 1032 |
|
* A protected default constructor allows the New() routine to create an |
| 1033 |
|
* instance of Mesh. All the containers are initialized to empty |
| 1034 |
|
* containers. |
| 1035 |
|
*/ |
| 1036 |
|
template <typename TPixelType, unsigned int VDimension, typename TMeshTraits> |
| 1037 |
|
Mesh<TPixelType, VDimension, TMeshTraits> |
| 1038 |
|
::Mesh() |
| 1039 |
|
{ |
| 1040 |
|
m_CellsContainer = CellsContainer::New(); |
| 1041 |
|
m_CellDataContainer = CellDataContainer::New(); |
| 1042 |
|
m_CellLinksContainer = CellLinksContainer::New(); |
| 1043 |
LEN |
m_BoundaryAssignmentsContainers = BoundaryAssignmentsContainerVector( MaxTopologicalDimension ); |
| 1044 |
|
m_CellsAllocationMethod = CellsAllocatedDynamicallyCellByCell; |
| 1045 |
|
} |
| 1046 |
|
|
| 1047 |
|
|
| 1048 |
|
/** |
| 1049 |
|
* Mesh Destructor takes care of releasing the memory of Cells |
| 1050 |
|
* and CellBoundaries objects for which normal pointers are |
| 1051 |
|
* stored. |
| 1052 |
|
*/ |
| 1053 |
|
template <typename TPixelType, unsigned int VDimension, typename TMeshTraits> |
| 1054 |
|
Mesh<TPixelType, VDimension, TMeshTraits> |
| 1055 |
|
::~Mesh() |
| 1056 |
|
{ |
| 1057 |
|
itkDebugMacro("Mesh Destructor "); |
| 1058 |
|
this->ReleaseCellsMemory(); |
| 1059 |
|
} |
| 1060 |
|
|
| 1061 |
|
|
| 1062 |
EML |
|
| 1063 |
|
/** |
| 1064 |
|
* Releasing the memory of Cells aobjects for which normal pointers |
| 1065 |
|
* are stored. The method used for memory release is based on information |
| 1066 |
|
* provided by the user who is the only who know how the memory was allocated. |
| 1067 |
|
*/ |
| 1068 |
|
template <typename TPixelType, unsigned int VDimension, typename TMeshTraits> |
| 1069 |
|
void |
| 1070 |
|
Mesh<TPixelType, VDimension, TMeshTraits> |
| 1071 |
|
::ReleaseCellsMemory() |
| 1072 |
|
{ |
| 1073 |
|
itkDebugMacro("Mesh ReleaseCellsMemory method "); |
| 1074 |
|
// Cells are stored as normal pointers in the CellContainer. |
| 1075 |
|
// |
| 1076 |
|
// The following cases are assumed here: |
| 1077 |
|
// |
| 1078 |
|
// 0) The user forgot to tell the mesh how he allocated the memory. |
| 1079 |
|
// In this case an exception is thrown. There is now way the mesh |
| 1080 |
|
// can guess how to correctly release the memory. |
| 1081 |
|
// 1) The user allocated the cells as an static array and then |
| 1082 |
|
// passed pointers to the mesh. The mesh doesn't have to release |
| 1083 |
|
// any memory in this case. The user however has to be careful |
| 1084 |
|
// in making sure that the mesh is not used out of the scope in |
| 1085 |
|
// which the static array of cells is valid.(e.g. the pointer |
| 1086 |
|
// of the mesh should not be passed as a return parameter...) |
| 1087 |
|
// 2) the user allocated the Cells as a big array so the |
| 1088 |
|
// memory has to be released by getting the pointer to |
| 1089 |
|
// the first cell in the array and calling "delete [] cells" |
| 1090 |
|
// 3) the user allocated the Cells on a cell-by-cell basis |
| 1091 |
|
// so every cell has to be deleted using "delete cell" |
| 1092 |
|
// |
| 1093 |
|
if( !m_CellsContainer ) |
| 1094 |
|
{ |
| 1095 |
|
itkDebugMacro("m_CellsContainer is null"); |
| 1096 |
|
return; |
| 1097 |
|
} |
| 1098 |
|
|
| 1099 |
LEN |
itkDebugMacro("m_CellsContainer->GetReferenceCount()= " << m_CellsContainer->GetReferenceCount() ); |
| 1100 |
|
|
| 1101 |
|
if( m_CellsContainer->GetReferenceCount()==1 ) |
| 1102 |
|
{ |
| 1103 |
|
switch( m_CellsAllocationMethod ) |
| 1104 |
|
{ |
| 1105 |
|
case CellsAllocationMethodUndefined: |
| 1106 |
IND |
******{ |
| 1107 |
IND |
******// The user forgot to tell the mesh about how he allocated |
| 1108 |
IND |
******// the cells. No responsible guess can be made here. Call for help. |
| 1109 |
LEN,IND |
******itkGenericExceptionMacro(<<"Cells Allocation Method was not specified. See SetCellsAllocationMethod()"); |
| 1110 |
|
break; |
| 1111 |
|
} |
| 1112 |
|
case CellsAllocatedAsStaticArray: |
| 1113 |
|
{ |
| 1114 |
|
// The cells will be naturally destroyed when |
| 1115 |
|
// the original array goes out of scope. |
| 1116 |
|
itkDebugMacro("CellsAllocatedAsStaticArray "); |
| 1117 |
|
break; |
| 1118 |
|
} |
| 1119 |
|
case CellsAllocatedAsADynamicArray: |
| 1120 |
|
{ |
| 1121 |
|
// the pointer to the first Cell is assumed to be the |
| 1122 |
|
// base pointer of the array |
| 1123 |
|
CellsContainerIterator first = m_CellsContainer->Begin(); |
| 1124 |
IND |
******CellType * baseOfCellsArray = first->Value(); |
| 1125 |
IND |
******delete [] baseOfCellsArray; |
| 1126 |
IND |
******m_CellsContainer->Initialize(); |
| 1127 |
IND |
******itkDebugMacro("CellsAllocatedAsADynamicArray"); |
| 1128 |
IND |
******break; |
| 1129 |
IND |
******} |
| 1130 |
|
case CellsAllocatedDynamicallyCellByCell: |
| 1131 |
IND |
******{ |
| 1132 |
IND |
******itkDebugMacro("CellsAllocatedDynamicallyCellByCell start"); |
| 1133 |
IND |
******// It is assumed that every cell was allocated independently. |
| 1134 |
IND |
******// A Cell iterator is created for going through the cells |
| 1135 |
IND |
******// deleting one by one. |
| 1136 |
IND |
******CellsContainerIterator cell = m_CellsContainer->Begin(); |
| 1137 |
IND |
******CellsContainerIterator end = m_CellsContainer->End(); |
| 1138 |
IND |
******while( cell != end ) |
| 1139 |
IND |
********{ |
| 1140 |
IND |
********const CellType * cellToBeDeleted = cell->Value(); |
| 1141 |
LEN,IND |
********itkDebugMacro( << "Mesh destructor deleting cell = " << cellToBeDeleted ); |
| 1142 |
|
delete cellToBeDeleted; |
| 1143 |
|
++cell; |
| 1144 |
|
} |
| 1145 |
|
m_CellsContainer->Initialize(); |
| 1146 |
IND |
******itkDebugMacro("CellsAllocatedDynamicallyCellByCell end"); |
| 1147 |
IND |
******break; |
| 1148 |
IND |
******} |
| 1149 |
|
} |
| 1150 |
|
} |
| 1151 |
|
} |
| 1152 |
|
|
| 1153 |
|
|
| 1154 |
EML |
|
| 1155 |
|
template <typename TPixelType, unsigned int VDimension, typename TMeshTraits> |
| 1156 |
|
void |
| 1157 |
|
Mesh<TPixelType, VDimension, TMeshTraits> |
| 1158 |
|
::CopyInformation(const DataObject *data) |
| 1159 |
|
{ |
| 1160 |
|
this->Superclass::CopyInformation( data ); |
| 1161 |
|
|
| 1162 |
|
const Self * mesh = NULL; |
| 1163 |
|
|
| 1164 |
|
try |
| 1165 |
|
{ |
| 1166 |
|
mesh = dynamic_cast<const Self*>(data); |
| 1167 |
|
} |
| 1168 |
|
catch( ... ) |
| 1169 |
|
{ |
| 1170 |
|
// mesh could not be cast back down |
| 1171 |
|
itkExceptionMacro(<< "itk::Mesh::CopyInformation() cannot cast " |
| 1172 |
|
<< typeid(data).name() << " to " |
| 1173 |
|
<< typeid(Self*).name() ); |
| 1174 |
|
} |
| 1175 |
|
|
| 1176 |
|
if ( !mesh ) |
| 1177 |
|
{ |
| 1178 |
|
// pointer could not be cast back down |
| 1179 |
|
itkExceptionMacro(<< "itk::Mesh::CopyInformation() cannot cast " |
| 1180 |
|
<< typeid(data).name() << " to " |
| 1181 |
|
<< typeid(Self*).name() ); |
| 1182 |
|
} |
| 1183 |
|
|
| 1184 |
|
|
| 1185 |
|
// Copy here specific elements of the Mesh |
| 1186 |
|
} |
| 1187 |
|
|
| 1188 |
|
|
| 1189 |
|
template <typename TPixelType, unsigned int VDimension, typename TMeshTraits> |
| 1190 |
|
void |
| 1191 |
|
Mesh<TPixelType, VDimension, TMeshTraits> |
| 1192 |
|
::Graft(const DataObject *data) |
| 1193 |
|
{ |
| 1194 |
|
this->Superclass::Graft( data ); |
| 1195 |
|
|
| 1196 |
|
const Self * mesh = NULL; |
| 1197 |
|
|
| 1198 |
|
try |
| 1199 |
|
{ |
| 1200 |
|
mesh = dynamic_cast<const Self*>(data); |
| 1201 |
|
} |
| 1202 |
|
catch( ... ) |
| 1203 |
|
{ |
| 1204 |
|
// mesh could not be cast back down |
| 1205 |
|
itkExceptionMacro(<< "itk::Mesh::CopyInformation() cannot cast " |
| 1206 |
|
<< typeid(data).name() << " to " |
| 1207 |
|
<< typeid(Self*).name() ); |
| 1208 |
|
} |
| 1209 |
|
|
| 1210 |
|
if ( !mesh ) |
| 1211 |
|
{ |
| 1212 |
|
// pointer could not be cast back down |
| 1213 |
|
itkExceptionMacro(<< "itk::Mesh::CopyInformation() cannot cast " |
| 1214 |
|
<< typeid(data).name() << " to " |
| 1215 |
|
<< typeid(Self*).name() ); |
| 1216 |
|
} |
| 1217 |
|
|
| 1218 |
|
|
| 1219 |
|
this->m_CellsContainer = mesh->m_CellsContainer; |
| 1220 |
|
this->m_CellDataContainer = mesh->m_CellDataContainer; |
| 1221 |
|
this->m_CellLinksContainer = mesh->m_CellLinksContainer; |
| 1222 |
|
this->m_BoundaryAssignmentsContainers = mesh->m_BoundaryAssignmentsContainers; |
| 1223 |
|
|
| 1224 |
|
// Transfer the responsibility for releasing cells memory |
| 1225 |
|
this->m_CellsAllocationMethod = mesh->m_CellsAllocationMethod; |
| 1226 |
|
|
| 1227 |
|
|
| 1228 |
|
// Tell the original mesh that the cells were allocated statically |
| 1229 |
|
// in order to prevent it from trying to delete the cells. |
| 1230 |
|
// |
| 1231 |
|
// Casting away constness here is ugly but necessary... |
| 1232 |
|
Self * nonConstMesh = const_cast< Self *>( mesh ); |
| 1233 |
|
nonConstMesh->m_CellsAllocationMethod = CellsAllocatedAsStaticArray; |
| 1234 |
|
|
| 1235 |
|
} |
| 1236 |
|
|
| 1237 |
|
|
| 1238 |
|
} // end namespace itk |
| 1239 |
|
|
| 1240 |
|
#endif |
| 1241 |
|
|