DcmDirectoryRecord* DicomdirLoader::find_study(const std::string &studyinstanceuid, class DcmDicomDir &dir) {
DcmDirectoryRecord *patRec;
DcmDirectoryRecord *studyRec;
OFCondition ret;
DcmDirectoryRecord &root = dir.getRootRecord();
for ( patRec = root.nextSub(NULL); patRec != NULL; patRec = root.nextSub(patRec) ) {
if ( patRec->getRecordType() == ERT_Patient ) {
for ( studyRec = patRec->nextSub(NULL); studyRec; studyRec = patRec->nextSub(studyRec) ) {
if ( studyRec->getRecordType()==ERT_Study ) {
OFString uid;
if ( studyRec->findAndGetOFString(DCM_StudyInstanceUID, uid)==EC_Normal ) {
if ( studyinstanceuid == uid.c_str() )
return studyRec;
}
}
}
}
}
return NULL;
}
void open_dicomdir_series(const std::string& studyinstanceuid, const Glib::ustring& dicomdir, const sigc::slot< void, const Glib::RefPtr< ImagePool::Series >& >& resultslot) {
DcmDicomDir dir(dicomdir.c_str());
DcmDirectoryRecord *patRec;
DcmDirectoryRecord *studyRec;
DcmDirectoryRecord *seriesRec;
OFCondition ret;
if ( dir.error() != ECC_Normal ) {
std::cout << "DICOMDIR Error: " << ret.text() << std::endl;
return;
}
DcmDirectoryRecord &root = dir.getRootRecord();
for ( patRec = root.nextSub(NULL); patRec!=NULL; patRec = root.nextSub(patRec) ) {
switch ( patRec->getRecordType() ) {
case ERT_Patient:
for ( studyRec=patRec->nextSub(NULL); studyRec; studyRec = patRec->nextSub(studyRec) ) {
if ( studyRec->getRecordType()==ERT_Study ) {
OFString uid;
if ( studyRec->findAndGetOFString(DCM_StudyInstanceUID, uid)==ECC_Normal ) {
if ( studyinstanceuid == uid.c_str() ) {
open_dicomdir_series_result(dicomdir, patRec, studyRec, resultslot);
return;
}
}
}
}
break;
case ERT_HangingProtocol:
// FALLTHROUGH
case ERT_Private:
break;
default:
break;
}
}
std::cout << "WARNING: study[" << studyinstanceuid << "] not found in DICOMDIR\n";
}
// Loads all dicom file in m_FileList
// Initializes m_Cache
// returns true if viewable files found, otherwise false
bool DicomdirLoader::scan_study(const std::string &studyinstanceuid, class DcmDirectoryRecord *studyRec, const Glib::ustring &dicomdir) {
DcmDirectoryRecord *seriesRec;
DcmDirectoryRecord *sopRec;
std::string path;
std::string file;
assert(studyRec->getRecordType()==ERT_Study);
path = Glib::path_get_dirname(dicomdir);
seriesRec = studyRec->nextSub(NULL);
while ( seriesRec ) {
OFString modality;
if ( seriesRec->findAndGetOFString(DCM_Modality, modality) == EC_Normal ) {
OFString seriesinstanceuid;
if ( seriesRec->findAndGetOFString(DCM_SeriesInstanceUID, seriesinstanceuid) != EC_Normal ) {
seriesRec = studyRec->nextSub(seriesRec);
continue;
}
if ( ImageModalities.find(modality.c_str()) != std::string::npos ) {
// Load Series...
OFString fileID;
int vm;
int i;
DcmElement *el;
for (sopRec = seriesRec->nextSub(NULL); sopRec; sopRec = seriesRec->nextSub(sopRec) ) {
switch ( sopRec->getRecordType() ) {
case ERT_Image:
case ERT_StoredPrint:
if ( sopRec->findAndGetElement(DCM_ReferencedFileID, el, true)!=EC_Normal ) {
sopRec = seriesRec->nextSub(sopRec);
continue;
}
vm = el->getVM();
file = "";
for ( i=0; i<vm; i++ ) {
el->getOFString(fileID, i);
file = file + "/" + fileID.c_str();
}
if ( file.size() > 0 ) {
std::cout << "Loading DICOMDIR file [" << path.c_str() << file.c_str() << "]" << std::endl;
m_filelist->push_back(path + file);
std::string SeriesUID = seriesinstanceuid.c_str();
m_cache[studyinstanceuid].m_instancecount++;
m_cache[studyinstanceuid].m_seriesuid.insert(SeriesUID);
m_cache[studyinstanceuid].m_seriescount = m_cache[studyinstanceuid].m_seriesuid.size();
}
break;
default:
break;
}
}
}
}
seriesRec = studyRec->nextSub(seriesRec);
}
return true;
}
