1 /*=========================================================================
4 Module: $RCSfile: gdcmDicomDir.cxx,v $
6 Date: $Date: 2004/06/28 14:29:52 $
7 Version: $Revision: 1.54 $
9 Copyright (c) CREATIS (Centre de Recherche et d'Applications en Traitement de
10 l'Image). All rights reserved. See Doc/License.txt or
11 http://www.creatis.insa-lyon.fr/Public/Gdcm/License.htm for details.
13 This software is distributed WITHOUT ANY WARRANTY; without even
14 the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
15 PURPOSE. See the above copyright notices for more information.
17 =========================================================================*/
21 #include <sys/types.h>
30 #include "gdcmDicomDir.h"
31 #include "gdcmDicomDirStudy.h"
32 #include "gdcmDicomDirSerie.h"
33 #include "gdcmDicomDirImage.h"
34 #include "gdcmDirList.h"
36 #include "gdcmDebug.h"
37 #include "gdcmGlobal.h"
38 #include "gdcmHeader.h"
39 #include "gdcmSeqEntry.h"
40 #include "gdcmSQItem.h"
41 #include "gdcmValEntry.h"
43 //-----------------------------------------------------------------------------
44 // For full DICOMDIR description, see:
45 // PS 3.3-2003, pages 731-750
46 //-----------------------------------------------------------------------------
47 // Constructor / Destructor
49 void gdcmDicomDir::Initialize(void)
52 progressMethod = NULL;
54 startMethodArgDelete = NULL;
55 progressMethodArgDelete = NULL;
56 endMethodArgDelete = NULL;
64 metaElems = (gdcmDicomDirMeta *)0;
69 * \brief Constructor Parses recursively the directory and creates the DicomDir
70 * or uses an already built DICOMDIR, depending on 'parseDir' value.
71 * @param FileName name
72 * - of the root directory (parseDir = true)
73 * - of the DICOMDIR (parseDir = false)
74 * @param parseDir boolean
75 * - true if user passed an entry point
76 * and wants to explore recursively the directories
77 * - false if user passed an already built DICOMDIR file
79 * @param exception_on_error whether we want to throw an exception or not
81 gdcmDicomDir::gdcmDicomDir(const char *FileName, bool parseDir,
82 bool exception_on_error):
83 gdcmDocument(FileName,exception_on_error,true) // true : enable SeQuences
85 // que l'on ai passe un root directory ou un DICOMDIR
86 // et quelle que soit la valeur de parseDir,
87 // on a deja lance gdcmDocument
90 // gdcmDocument already executed
91 // if user passed a root directory, sure we didn't get anything
93 if( GetEntry().begin() == GetEntry().end() )
95 dbg.Verbose(0, "gdcmDicomDir::gdcmDicomDir : entry HT empty");
97 if(strlen(FileName)==1 && FileName[0]=='.') { // user passed '.' as Name
98 // we get current directory name
99 char* dummy= new char[1000];
100 getcwd(dummy, (size_t)1000);
101 SetFileName(dummy); // will be converted into a string
102 delete[] dummy; // no longer needed
107 dbg.Verbose(0, "gdcmDicomDir::gdcmDicomDir : Parse directory"
108 " and create the DicomDir");
111 /// \todo if parseDir == false, it should be tagged as an error
116 // Directory record sequence
117 gdcmDocEntry *e = GetDocEntryByNumber(0x0004, 0x1220);
119 dbg.Verbose(0, "gdcmDicomDir::gdcmDicomDir : NO Directory record"
120 " sequence (0x0004,0x1220)");
121 /// \todo FIXME : what do we do when the parsed file IS NOT a
129 * \ingroup gdcmDicomDir
130 * \brief Constructor : creates an empty gdcmDicomDir
131 * @param exception_on_error whether we want to throw an exception or not
133 gdcmDicomDir::gdcmDicomDir(bool exception_on_error):
134 gdcmDocument(exception_on_error)
139 std::string pathBidon = "Bidon"; // Sorry, NULL not allowed ...
140 SetElement(pathBidon, GDCM_DICOMDIR_META, NULL); // Set the META elements
145 * \brief Canonical destructor
147 gdcmDicomDir::~gdcmDicomDir()
149 SetStartMethod(NULL);
150 SetProgressMethod(NULL);
156 for(ListDicomDirPatient::iterator cc = patients.begin();
164 //-----------------------------------------------------------------------------
167 * \brief Canonical Printer
169 void gdcmDicomDir::Print(std::ostream &os)
173 metaElems->SetPrintLevel(printLevel);
174 metaElems->Print(os);
176 for(ListDicomDirPatient::iterator cc = patients.begin();
177 cc != patients.end();
180 (*cc)->SetPrintLevel(printLevel);
185 //-----------------------------------------------------------------------------
188 * \brief This predicate, based on hopefully reasonable heuristics,
189 * decides whether or not the current header was properly parsed
190 * and contains the mandatory information for being considered as
191 * a well formed and usable DicomDir.
192 * @return true when gdcmDocument is the one of a reasonable DicomDir,
195 bool gdcmDicomDir::IsReadable(void)
197 if(!gdcmDocument::IsReadable())
201 if(patients.size()<=0)
208 * \ingroup gdcmDicomDir
209 * \brief fills the whole structure, starting from a root Directory
211 void gdcmDicomDir::ParseDirectory(void)
213 CreateDicomDirChainedList(GetFileName());
218 * \ingroup gdcmDicomDir
219 * \brief Set the start method to call when the parsing of the directory starts
220 * @param method Method to call
221 * @param arg Argument to pass to the method
222 * @param argDelete Argument
223 * \warning In python : the arg parameter isn't considered
225 void gdcmDicomDir::SetStartMethod(gdcmMethod *method,void *arg,gdcmMethod *argDelete)
227 if((startArg)&&(startMethodArgDelete))
228 startMethodArgDelete(startArg);
232 startMethodArgDelete=argDelete;
236 * \ingroup gdcmDicomDir
237 * \brief Set the method to delete the argument
238 * The argument is destroyed when the method is changed or when the
240 * @param method Method to call to delete the argument
242 void gdcmDicomDir::SetStartMethodArgDelete(gdcmMethod *method)
244 startMethodArgDelete=method;
248 * \ingroup gdcmDicomDir
249 * \brief Set the progress method to call when the parsing of the directory progress
250 * @param method Method to call
251 * @param arg Argument to pass to the method
252 * @param argDelete Argument
253 * \warning In python : the arg parameter isn't considered
255 void gdcmDicomDir::SetProgressMethod(gdcmMethod *method,void *arg,gdcmMethod *argDelete)
257 if((progressArg)&&(progressMethodArgDelete))
258 progressMethodArgDelete(progressArg);
260 progressMethod=method;
262 progressMethodArgDelete=argDelete;
266 * \ingroup gdcmDicomDir
267 * \brief Set the method to delete the argument
268 * The argument is destroyed when the method is changed or when the
270 * @param method Method to call to delete the argument
272 void gdcmDicomDir::SetProgressMethodArgDelete(gdcmMethod *method)
274 progressMethodArgDelete=method;
278 * \ingroup gdcmDicomDir
279 * \brief Set the end method to call when the parsing of the directory ends
280 * @param method Method to call
281 * @param arg Argument to pass to the method
282 * @param argDelete Argument
283 * \warning In python : the arg parameter isn't considered
285 void gdcmDicomDir::SetEndMethod(gdcmMethod *method, void *arg, gdcmMethod *argDelete)
287 if((endArg)&&(endMethodArgDelete))
288 endMethodArgDelete(endArg);
292 endMethodArgDelete=argDelete;
296 * \ingroup gdcmDicomDir
297 * \brief Set the method to delete the argument
298 * The argument is destroyed when the method is changed or when the class
300 * @param method Method to call to delete the argument
302 void gdcmDicomDir::SetEndMethodArgDelete(gdcmMethod *method)
304 endMethodArgDelete=method;
308 * \ingroup gdcmDicomDir
309 * \brief writes on disc a DICOMDIR
310 * \ warning does NOT add the missing elements in the header :
311 * it's up to the user doing it !
312 * \todo : to be re-written using the DICOMDIR tree-like structure
313 * *not* the chained list
314 * (does NOT exist if the DICOMDIR is user-forged !)
315 * @param fileName file to be written to
316 * @return false only when fail to open
319 bool gdcmDicomDir::Write(std::string fileName)
323 fp1=fopen(fileName.c_str(),"wb");
326 printf("Failed to open(write) File [%s] \n",fileName.c_str());
330 char * filePreamble = new char[128];
331 fwrite(filePreamble,128,1,fp1);
332 fwrite("DICM",4,1,fp1);
333 delete[] filePreamble;
334 UpdateDirectoryRecordSequenceLength();
342 * \brief Writes in a file using the tree-like structure.
343 * @param _fp already open file pointer
346 void gdcmDicomDir::WriteEntries(FILE *) //_fp
348 /// \todo (?) tester les echecs en ecriture
349 /// (apres chaque fwrite, dans le WriteEntry)
352 /* TODO : to go on compiling
354 gdcmDicomDirMeta *ptrMeta;
355 ListDicomDirPatient::iterator itPatient;
356 ListDicomDirStudy::iterator itStudy;
357 ListDicomDirSerie::iterator itSerie;
358 ListDicomDirImage::iterator itImage;
361 ptrMeta= GetDicomDirMeta();
362 for(i=ptrMeta->debut();i!=ptrMeta->fin();++i) {
363 WriteEntry(*i,_fp, gdcmExplicitVR);
366 itPatient = GetDicomDirPatients().begin();
367 while ( itPatient != GetDicomDirPatients().end() ) {
368 for(i=(*itPatient)->debut();i!=(*itPatient)->fin();++i) {
369 WriteEntry(*i,_fp, gdcmExplicitVR);
371 itStudy = ((*itPatient)->GetDicomDirStudies()).begin();
372 while (itStudy != (*itPatient)->GetDicomDirStudies().end() ) {
373 for(i=(*itStudy)->debut();i!=(*itStudy)->fin();++i) {
374 WriteEntry(*i,_fp, gdcmExplicitVR);
376 itSerie = ((*itStudy)->GetDicomDirSeries()).begin();
377 while (itSerie != (*itStudy)->GetDicomDirSeries().end() ) {
378 for(i=(*itSerie)->debut();i!=(*itSerie)->fin();++i) {
379 WriteEntry(*i,_fp, gdcmExplicitVR);
381 itImage = ((*itSerie)->GetDicomDirImages()).begin();
382 while (itImage != (*itSerie)->GetDicomDirImages().end() ) {
383 for(i=(*itImage)->debut();i!=(*itImage)->fin();++i) {
384 WriteEntry(*i,_fp, gdcmExplicitVR);
397 //-----------------------------------------------------------------------------
401 * \ingroup gdcmDicomDir
402 * \brief create a gdcmDocument-like chained list from a root Directory
403 * @param path entry point of the tree-like structure
405 void gdcmDicomDir::CreateDicomDirChainedList(std::string path)
408 gdcmDirList fileList(path,1); // gets recursively the file list
409 unsigned int count=0;
416 for(gdcmDirList::iterator it=fileList.begin();
420 progress=(float)(count+1)/(float)fileList.size();
421 CallProgressMethod();
425 header=new gdcmHeader(it->c_str(),false,true);
427 std::cout << "echec new Header " << it->c_str() << std::endl; // JPR
429 if(header->IsReadable()) {
430 list.push_back(header); // adds the file header to the chained list
431 std::cout << "readable : " <<it->c_str() << std::endl; // JPR
439 // sorts Patient/Study/Serie/
440 std::sort(list.begin(),list.end(),gdcmDicomDir::HeaderLessThan);
442 std::string tmp=fileList.GetDirName();
444 //for each Header of the chained list, add/update the Patient/Study/Serie/Image info
445 SetElements(tmp,list);
451 * \ingroup gdcmDicomDir
452 * \brief adds *the* Meta to a partially created DICOMDIR
455 // FIXME : Heuuuuu ! Il prend les Entries du Document deja parse,
456 // il ne fabrique rien !
458 gdcmDicomDirMeta * gdcmDicomDir::NewMeta(void) {
459 gdcmDicomDirMeta *m = new gdcmDicomDirMeta(&tagHT);
460 for (TagDocEntryHT::iterator cc = tagHT.begin();cc != tagHT.end();++cc) {
461 m->AddDocEntry(cc->second);
468 * \ingroup gdcmDicomDir
469 * \brief adds a new Patient (with the basic elements) to a partially created DICOMDIR
471 gdcmDicomDirPatient * gdcmDicomDir::NewPatient(void) {
472 std::list<gdcmElement> elemList;
473 std::list<gdcmElement>::iterator it;
475 gdcmDictEntry *dictEntry;
478 gdcmSQItem *s = new gdcmSQItem(0);
480 elemList=gdcmGlobal::GetDicomDirElements()->GetDicomDirPatientElements();
482 // TODO : use FillObject !!!
484 // for all the DicomDirPatient Elements
486 for(it=elemList.begin();it!=elemList.end();++it)
490 dictEntry=GetPubDict()->GetDictEntryByNumber(tmpGr,tmpEl);
491 entry=new gdcmValEntry(dictEntry);
492 entry->SetOffset(0); // just to avoid further missprinting
493 entry->SetValue(it->value);
495 // dealing with value length ...
497 if(dictEntry->GetGroup()==0xfffe)
499 entry->SetLength(entry->GetValue().length());
501 else if( (dictEntry->GetVR()=="UL") || (dictEntry->GetVR()=="SL") )
505 else if( (dictEntry->GetVR()=="US") || (dictEntry->GetVR()=="SS") )
509 else if(dictEntry->GetVR()=="SQ")
511 entry->SetLength(0xffffffff);
515 entry->SetLength(entry->GetValue().length());
517 s->AddDocEntry(entry);
520 gdcmDicomDirPatient *p = new gdcmDicomDirPatient(s, &tagHT);
521 patients.push_front(p);
526 * \brief adds to the HTable
527 * the gdcmEntries (Dicom Elements) corresponding to the given type
528 * @param path full path file name (only used when type = GDCM_DICOMDIR_IMAGE
529 * @param type gdcmObject type to create (GDCM_DICOMDIR_PATIENT,
530 * GDCM_DICOMDIR_STUDY, GDCM_DICOMDIR_SERIE ...)
531 * @param header gdcmHeader of the current file
533 void gdcmDicomDir::SetElement(std::string &path,gdcmDicomDirType type,
534 gdcmDocument *header)
536 std::list<gdcmElement> elemList;
537 std::list<gdcmElement>::iterator it;
538 guint16 tmpGr, tmpEl;
539 gdcmDictEntry *dictEntry;
544 case GDCM_DICOMDIR_PATIENT:
545 elemList=gdcmGlobal::GetDicomDirElements()->GetDicomDirPatientElements();
547 case GDCM_DICOMDIR_STUDY:
548 elemList=gdcmGlobal::GetDicomDirElements()->GetDicomDirStudyElements();
550 case GDCM_DICOMDIR_SERIE:
551 elemList=gdcmGlobal::GetDicomDirElements()->GetDicomDirSerieElements();
553 case GDCM_DICOMDIR_IMAGE:
554 elemList=gdcmGlobal::GetDicomDirElements()->GetDicomDirImageElements();
556 case GDCM_DICOMDIR_META:
557 elemList=gdcmGlobal::GetDicomDirElements()->GetDicomDirMetaElements();
563 for(it=elemList.begin();it!=elemList.end();++it) {
566 dictEntry=GetPubDict()->GetDictEntryByNumber(tmpGr,tmpEl);
567 entry=new gdcmValEntry(dictEntry); // Be sure it's never a BinEntry !
569 entry->SetOffset(0); // just to avoid further missprinting
572 val=header->GetEntryByNumber(tmpGr,tmpEl);
576 if(val==GDCM_UNFOUND)
578 if((tmpGr==0x0004) &&(tmpEl==0x1130) ) // File-set ID
580 // force to the *end* File Name
583 else if( (tmpGr==0x0004) && (tmpEl==0x1500) ) // Only used for image
585 if(header->GetFileName().substr(0,path.length())!=path)
587 dbg.Verbose(0, "gdcmDicomDir::SetElement : the base path"
588 " of file name is incorrect");
589 val=header->GetFileName();
593 val=&(header->GetFileName().c_str()[path.length()]);
603 if (header->GetEntryLengthByNumber(tmpGr,tmpEl)== 0)
607 entry->SetValue(val);
611 if(dictEntry->GetGroup()==0xfffe) {
612 entry->SetLength(entry->GetValue().length());
614 else if( (dictEntry->GetVR()=="UL") || (dictEntry->GetVR()=="SL") )
618 else if( (dictEntry->GetVR()=="US") || (dictEntry->GetVR()=="SS") )
622 else if(dictEntry->GetVR()=="SQ")
624 entry->SetLength(0xffffffff);
628 entry->SetLength(entry->GetValue().length());
631 //AddDocEntry(entry); // both in H Table and in chained list
632 tagHT[entry->GetKey()] = entry; // FIXME : use a SEQUENCE !
637 * \brief CallStartMethod
639 void gdcmDicomDir::CallStartMethod(void)
644 startMethod(startArg);
647 * \ingroup gdcmDicomDir
648 * \brief CallProgressMethod
650 void gdcmDicomDir::CallProgressMethod(void)
653 progressMethod(progressArg);
656 * \ingroup gdcmDicomDir
657 * \brief CallEndMethod
659 void gdcmDicomDir::CallEndMethod(void)
666 //-----------------------------------------------------------------------------
669 * \ingroup gdcmDicomDir
670 * \brief create a 'gdcmDicomDir' from a DICOMDIR gdcmHeader
672 void gdcmDicomDir::CreateDicomDir()
674 // The list is parsed.
675 // When a DicomDir tag ("PATIENT", "STUDY", "SERIE", "IMAGE") is found :
676 // 1 - we save the beginning iterator
677 // 2 - we continue to parse
678 // 3 - we find an other tag
679 // + we create the object for the precedent tag
682 gdcmDicomDirType type=gdcmDicomDir::GDCM_DICOMDIR_META;
684 // Directory record sequence
685 gdcmDocEntry *e = GetDocEntryByNumber(0x0004, 0x1220);
688 dbg.Verbose(0, "gdcmDicomDir::gdcmDicomDir : NO Directory record"
689 " sequence (0x0004,0x1220)");
690 /// \todo FIXME: what to do when the parsed file IS NOT a DICOMDIR file ?
694 gdcmSeqEntry* s = dynamic_cast<gdcmSeqEntry*>(e);
697 dbg.Verbose(0, "gdcmDicomDir::CreateDicomDir: no SeqEntry present");
701 ListSQItem listItems = s->GetSQItems();
702 gdcmDicomDirMeta *m = new gdcmDicomDirMeta(&tagHT);
707 for(ListSQItem::iterator i=listItems.begin(); i !=listItems.end();++i)
709 d=(*i)->GetDocEntryByNumber(0x0004, 0x1430); // Directory Record Type
710 if (gdcmValEntry* ValEntry = dynamic_cast< gdcmValEntry* >(d) )
712 v = ValEntry->GetValue();
716 dbg.Verbose(0, "gdcmDicomDir::CreateDicomDir: not a ValEntry.");
722 AddDicomDirPatientToEnd(*i);
723 //AddObjectToEnd(type,*i);
724 type=gdcmDicomDir::GDCM_DICOMDIR_PATIENT;
729 AddDicomDirStudyToEnd(*i);
730 // AddObjectToEnd(type,*i);
731 type=gdcmDicomDir::GDCM_DICOMDIR_STUDY;
736 AddDicomDirSerieToEnd(*i);
737 // AddObjectToEnd(type,*i);
738 type=gdcmDicomDir::GDCM_DICOMDIR_SERIE;
743 AddDicomDirImageToEnd(*i);
744 // AddObjectToEnd(type,*i);
745 type=gdcmDicomDir::GDCM_DICOMDIR_IMAGE;
749 // It was not a 'PATIENT', nor a 'STUDY', nor a 'SERIE',
750 // neither an 'IMAGE' SQItem. Skip to next item.
755 * \ingroup gdcmDicomDir
756 * \brief AddObjectToEnd
758 * @param begin iterator on the first DocEntry within the chained List
759 * @param end iterator on the last DocEntry within the chained List
764 /*void gdcmDicomDir::AddObjectToEnd(gdcmDicomDirType type,gdcmSQItem *s)
771 case gdcmDicomDir::GDCM_DICOMDIR_META:
774 case gdcmDicomDir::GDCM_DICOMDIR_PATIENT:
775 AddDicomDirPatientToEnd(s);
777 case gdcmDicomDir::GDCM_DICOMDIR_STUDY:
778 AddDicomDirStudyToEnd(s);
780 case gdcmDicomDir::GDCM_DICOMDIR_SERIE:
781 AddDicomDirSerieToEnd(s);
783 case gdcmDicomDir::GDCM_DICOMDIR_IMAGE:
784 AddDicomDirImageToEnd(s);
786 case gdcmDicomDir::GDCM_DICOMDIR_NONE:
787 AddDicomDirImageToEnd(s); //FIXME
795 * \ingroup gdcmDicomDir
796 * \brief Well ... there is only one occurence
798 void gdcmDicomDir::AddDicomDirMeta()
802 metaElems = new gdcmDicomDirMeta(&tagHT);
806 * \ingroup gdcmDicomDir
807 * \brief AddDicomDirPatientToEnd
808 * @param s SQ Item to enqueue to the DicomPatient chained List
810 void gdcmDicomDir::AddDicomDirPatientToEnd(gdcmSQItem *s)
812 patients.push_back(new gdcmDicomDirPatient(s, &tagHT));
816 * \ingroup gdcmDicomDir
817 * \brief AddDicomDirStudyToEnd
818 * @param s SQ Item to enqueue to the DicomDirStudy chained List
820 void gdcmDicomDir::AddDicomDirStudyToEnd(gdcmSQItem *s)
822 if(patients.size()>0)
824 ListDicomDirPatient::iterator itp=patients.end();
826 (*itp)->AddDicomDirStudy(new gdcmDicomDirStudy(s, &tagHT));
830 * \ingroup gdcmDicomDir
831 * \brief AddDicomDirSerieToEnd
832 * @param s SQ Item to enqueue to the DicomDirSerie chained List
834 void gdcmDicomDir::AddDicomDirSerieToEnd(gdcmSQItem *s)
836 if(patients.size()>0)
838 ListDicomDirPatient::iterator itp=patients.end();
841 if((*itp)->GetDicomDirStudies().size()>0)
843 ListDicomDirStudy::iterator itst=(*itp)->GetDicomDirStudies().end();
845 (*itst)->AddDicomDirSerie(new gdcmDicomDirSerie(s, &tagHT));
851 * \ingroup gdcmDicomDir
852 * \brief AddDicomDirImageToEnd
853 * @param s SQ Item to enqueue to the DicomDirImage chained List
855 void gdcmDicomDir::AddDicomDirImageToEnd(gdcmSQItem *s)
857 if(patients.size()>0)
859 ListDicomDirPatient::iterator itp=patients.end();
862 if((*itp)->GetDicomDirStudies().size()>0)
864 ListDicomDirStudy::iterator itst=(*itp)->GetDicomDirStudies().end();
867 if((*itst)->GetDicomDirSeries().size()>0)
869 ListDicomDirSerie::iterator its=(*itst)->GetDicomDirSeries().end();
871 (*its)->AddDicomDirImage(new gdcmDicomDirImage(s, &tagHT));
878 * \ingroup gdcmDicomDir
879 * \brief for each Header of the chained list, add/update the Patient/Study/Serie/Image info
880 * @param path path of the root directory
881 * @param list chained list of Headers
883 void gdcmDicomDir::SetElements(std::string &path, VectDocument &list)
885 std::string patPrevName="", patPrevID="";
886 std::string studPrevInstanceUID="", studPrevID="";
887 std::string serPrevInstanceUID="", serPrevID="";
889 std::string patCurName, patCurID;
890 std::string studCurInstanceUID, studCurID;
891 std::string serCurInstanceUID, serCurID;
893 SetElement(path,GDCM_DICOMDIR_META,NULL);
895 for(VectDocument::iterator it=list.begin();it!=list.end();++it)
897 // get the current file characteristics
898 patCurName= (*it)->GetEntryByNumber(0x0010,0x0010);
899 patCurID= (*it)->GetEntryByNumber(0x0010,0x0011);
900 studCurInstanceUID=(*it)->GetEntryByNumber(0x0020,0x000d);
901 studCurID= (*it)->GetEntryByNumber(0x0020,0x0010);
902 serCurInstanceUID= (*it)->GetEntryByNumber(0x0020,0x000e);
903 serCurID= (*it)->GetEntryByNumber(0x0020,0x0011);
905 if(patCurName!=patPrevName || patCurID!=patPrevID)
906 SetElement(path,GDCM_DICOMDIR_PATIENT,*it);
908 // if new Study Deal with 'STUDY' Elements
909 if(studCurInstanceUID!=studPrevInstanceUID || studCurID!=studPrevID)
910 SetElement(path,GDCM_DICOMDIR_STUDY,*it);
912 // if new Serie Deal with 'SERIE' Elements
913 if(serCurInstanceUID!=serPrevInstanceUID || serCurID!=serPrevID)
914 SetElement(path,GDCM_DICOMDIR_SERIE,*it);
916 // Always Deal with 'IMAGE' Elements
917 SetElement(path,GDCM_DICOMDIR_IMAGE,*it);
919 patPrevName= patCurName;
921 studPrevInstanceUID=studCurInstanceUID;
922 studPrevID= studCurID;
923 serPrevInstanceUID= serCurInstanceUID;
929 * \ingroup gdcmDicomDir
930 * \brief compares two dgcmHeaders
932 bool gdcmDicomDir::HeaderLessThan(gdcmDocument *header1,gdcmDocument *header2)
934 return(*header1<*header2);
938 * \ingroup gdcmDicomDir
939 * \brief Sets the accurate value for the (0x0004,0x1220) element of a DICOMDIR
942 void gdcmDicomDir::UpdateDirectoryRecordSequenceLength() {
944 // FIXME : to go on compiling
946 // to be re written !
949 ListTag::iterator it;
952 for(it=listEntries.begin();it!=listEntries.end();++it) {
953 gr = (*it)->GetGroup();
954 el = (*it)->GetElement();
957 if ( (vr == "OB") || (vr == "OW") || (vr == "SQ") ) {
958 offset += 4; // explicit VR AND OB, OW, SQ : 4 more bytes
960 offset += 2 + 2 + 4 + (*it)->GetLength();
962 offset += 4; // delimiters don't have a value.
965 //bool res=SetEntryLengthByNumber(offset, 0x0004, 0x1220); // Hope there is no dupps.
966 SetEntryLengthByNumber(offset, 0x0004, 0x1220); // Hope there is no dupps.
971 //-----------------------------------------------------------------------------