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itkDICOMSeriesFileNames.h

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00001 /*=========================================================================
00002 
00003   Program:   Insight Segmentation & Registration Toolkit
00004   Module:    $RCSfile: itkDICOMSeriesFileNames.h,v $
00005   Language:  C++
00006   Date:      $Date: 2004/01/08 00:39:04 $
00007   Version:   $Revision: 1.6 $
00008 
00009   Copyright (c) Insight Software Consortium. All rights reserved.
00010   See ITKCopyright.txt or http://www.itk.org/HTML/Copyright.htm for details.
00011 
00012      This software is distributed WITHOUT ANY WARRANTY; without even 
00013      the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR 
00014      PURPOSE.  See the above copyright notices for more information.
00015 
00016 =========================================================================*/
00017 #ifndef __itkDICOMSeriesFileNames_h
00018 #define __itkDICOMSeriesFileNames_h
00019 
00020 #ifdef _MSC_VER
00021 #pragma warning ( disable : 4786 )
00022 #endif
00023 
00024 #include "itkObject.h"
00025 #include "itkObjectFactory.h"
00026 #include "itkExceptionObject.h"
00027 #include <vector>
00028 
00029 #include "DICOMParser.h"
00030 #include "DICOMAppHelper.h"
00031 
00032 namespace itk
00033 {
00034 
00048 class ITK_EXPORT DICOMSeriesFileNames : public Object
00049 {
00050 public:
00052   typedef DICOMSeriesFileNames    Self;
00053   typedef Object                  Superclass;
00054   typedef SmartPointer<Self>      Pointer;
00055   
00057   itkNewMacro(Self);
00058 
00060   itkTypeMacro(DICOMSeriesFileNames, Object);
00061 
00062   /* -------- Define the API for DICOMSeriesFileNames ----------- */
00063 
00073   void SetDirectory(const std::string& dir)
00074     {
00075       if (m_Directory != dir)
00076         {
00077         m_Directory = dir;
00078         this->Modified();
00079 
00080         // Clear the SeriesUIDs and FileNames
00081         m_SeriesUIDs.clear();
00082         m_FileNames.clear();
00083         m_AppHelper.Clear();
00084         }
00085 
00086       // Keep track of when the directory name was set so we can
00087       // compare it when the directory was last scanned. We set this
00088       // modified time each time SetDirectory() is called. This allows
00089       // a call to SetDirectory() to force a directory to be rescanned
00090       // the next time GetFileNames() or GetSeriesUIDs() is called.
00091       m_DirectorySetTime.Modified();
00092     }
00093 
00095   itkGetStringMacro(Directory);
00096 
00100   const std::vector<std::string> &GetSeriesUIDs(bool recursive = false);
00101 
00105   const std::vector<std::string> &GetFileNames (bool recursive = false);
00106 
00111   const std::vector<std::string> &GetFileNames (const std::string& seriesUID,
00112                                                 bool recursive = false);
00113   
00118   typedef enum {SortByImageNumber, SortBySliceLocation, SortByImagePositionPatient} FileNameSortingOrderType;
00119   itkSetMacro(FileNameSortingOrder, FileNameSortingOrderType);
00120   itkGetMacro(FileNameSortingOrder, FileNameSortingOrderType);
00121   void SetFileNameSortingOrderToSortByImageNumber()
00122     { this->SetFileNameSortingOrder(SortByImageNumber); }
00123   void SetFileNameSortingOrderToSortBySliceLocation()
00124     { this->SetFileNameSortingOrder(SortBySliceLocation); }
00125   void SetFileNameSortingOrderToSortByImagePositionPatient()
00126     { this->SetFileNameSortingOrder(SortByImagePositionPatient); }
00127 
00131   std::string GetFileName(const std::string& instanceUID);
00132   
00133 
00134 protected:
00135   DICOMSeriesFileNames();
00136   ~DICOMSeriesFileNames() {};
00137   void PrintSelf(std::ostream& os, Indent indent) const;
00138   
00139 private:
00140   DICOMSeriesFileNames(const Self&); //purposely not implemented
00141   void operator=(const Self&); //purposely not implemented
00142   
00143   int CanReadFile(const char* fname);
00144   void RecurseDirectory( std::string directory, std::vector<std::string> &filenames);
00145 
00146   DICOMParser m_Parser;
00147   DICOMAppHelper m_AppHelper;
00148 
00149   std::string m_Directory;
00150   std::vector<std::string>  m_FileNames;
00151   std::vector<std::string>  m_SeriesUIDs;
00152 
00153   FileNameSortingOrderType m_FileNameSortingOrder;
00154 
00155   TimeStamp  m_DirectorySetTime;
00156   TimeStamp  m_DirectoryScanTime;
00157 };
00158 
00159 } //namespace ITK
00160 
00161 #endif // __itkDICOMSeriesFileNames_h

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