C++ ctkLogger::debug方法代码示例

//------------------------------------------------------------------------------
void ctkDICOMDatabase::insert ( const QString& filePath, bool storeFile, bool generateThumbnail, bool createHierarchy, const QString& destinationDirectoryName)
{
  Q_D(ctkDICOMDatabase);
  Q_UNUSED(createHierarchy);
  Q_UNUSED(destinationDirectoryName);

  /// first we check if the file is already in the database
  if (fileExistsAndUpToDate(filePath))
  {
    logger.debug( "File " + filePath + " already added.");
    return;
  }

  logger.debug( "Processing " + filePath );

  std::string filename = filePath.toStdString();

  DcmFileFormat fileformat;
  ctkDICOMDataset ctkDataset;

  ctkDataset.InitializeFromFile(filePath);
  if ( ctkDataset.IsInitialized() )
  {
    d->insert( ctkDataset, filePath, storeFile, generateThumbnail );
  }
  else
  {
    logger.warn(QString("Could not read DICOM file:") + filePath);
  }
}

//------------------------------------------------------------------------------
bool ctkDICOMRetrievePrivate::initializeSCU( const QString& studyInstanceUID,
                                         const QString& seriesInstanceUID,
                                         const RetrieveType retrieveType,
                                         DcmDataset *retrieveParameters)
{
  if ( !this->Database )
    {
    logger.error ( "No Database for retrieve transaction" );
    return false;
    }

  // If we like to query another server than before, be sure to disconnect first
  if (this->SCU.isConnected() && this->ConnectionParamsChanged)
  {
    this->SCU.closeAssociation(DCMSCU_RELEASE_ASSOCIATION);
  }
  // Connect to server if not already connected
  if (!this->SCU.isConnected())
    {
    // Check and initialize networking parameters in DCMTK
    if ( !this->SCU.initNetwork().good() )
      {
      logger.error ( "Error initializing the network" );
      return false;
      }
    // Negotiate (i.e. start the) association
    logger.debug ( "Negotiating Association" );

    if ( !this->SCU.negotiateAssociation().good() )
      {
      logger.error ( "Error negotiating association" );
      return false;;
      }
    }

  this->ConnectionParamsChanged = false;
  // Setup query about what to be received from the PACS
  logger.debug ( "Setting Retrieve Parameters" );
  if ( retrieveType == RetrieveSeries )
    {
    retrieveParameters->putAndInsertString ( DCM_QueryRetrieveLevel, "SERIES" );
    retrieveParameters->putAndInsertString ( DCM_SeriesInstanceUID, 
                                                seriesInstanceUID.toStdString().c_str() );
    // Always required to send all highler level unique keys, so add study here (we are in Study Root)
    retrieveParameters->putAndInsertString ( DCM_StudyInstanceUID, 
                                                studyInstanceUID.toStdString().c_str() );  //TODO
    }
  else
    {
    retrieveParameters->putAndInsertString ( DCM_QueryRetrieveLevel, "STUDY" );
    retrieveParameters->putAndInsertString ( DCM_StudyInstanceUID, 
                                                studyInstanceUID.toStdString().c_str() );
    }
  return true;
}

// --------------------------------------------------------------------------
void ctkWorkflowGroupBox::updateGroupBox(ctkWorkflowStep* currentStep)
{
  Q_D(ctkWorkflowGroupBox);

  d->StepShownPreviously = d->StepShownCurrently;
  d->StepShownCurrently = currentStep;

  if (currentStep)
    { 
    this->setTitle(currentStep->name());
    this->setSubTitle(currentStep->description());
    this->setErrorText(currentStep->statusText());

    // don't show textual elements if they are empty
    d->SubTitleTextBrowser->setVisible(!this->subTitle().isEmpty());
    d->PreTextBrowser->setVisible(!this->preText().isEmpty());
    d->PostTextBrowser->setVisible(!this->postText().isEmpty());
    d->ErrorTextBrowser->setVisible(!this->errorText().isEmpty());
    }

  // disable/hide the previously shown step
  if (ctkWorkflowWidgetStep* prevStep = dynamic_cast<ctkWorkflowWidgetStep*>(d->StepShownPreviously))
    {
    logger.debug(QString("updateClientArea - hiding %1").arg(prevStep->name()));
    if (QWidget* stepArea = prevStep->stepArea())
      {
      stepArea->setEnabled(false);
      if (d->HideWidgetsOfNonCurrentSteps)
        {
        stepArea->hide();
        }
      }
    }
  
  ctkWorkflowWidgetStep* currentWidgetStep = dynamic_cast<ctkWorkflowWidgetStep*>(currentStep);
  // show/enable the current step
  if (currentWidgetStep)
    {
    currentWidgetStep->showUserInterface();

    if (QWidget* stepArea = currentWidgetStep->stepArea())
      {
      // add the step's client area to the widget if we haven't before
      if (!this->isAncestorOf(stepArea))
        {
        d->ClientAreaLayout->addWidget(stepArea);
        }

      stepArea->setEnabled(true);
      stepArea->show();
      }
      }
    
}

//------------------------------------------------------------------------------
void ctkDICOMDatabasePrivate::registerCompressionLibraries(){
    logger.debug("Register compression libraries");
    // Register the JPEG libraries in case we need them
    //   (registration only happens once, so it's okay to call repeatedly)
    // register global JPEG decompression codecs
    DJDecoderRegistration::registerCodecs();
    // register global JPEG compression codecs
    DJEncoderRegistration::registerCodecs();
    // register RLE compression codec
    DcmRLEEncoderRegistration::registerCodecs();
    // register RLE decompression codec
    DcmRLEDecoderRegistration::registerCodecs();
}

//------------------------------------------------------------------------------
bool ctkDICOMDatabasePrivate::loggedExec(QSqlQuery& query, const QString& queryString)
{
  bool success;
  if (queryString.compare(""))
    {
    success = query.exec(queryString);
    }
  else
    {
    success = query.exec();
    }
  if (!success)
    {
    QSqlError sqlError = query.lastError();
    logger.debug( "SQL failed\n Bad SQL: " + query.lastQuery());
    logger.debug( "Error text: " + sqlError.text());
    }
  else
    {
  logger.debug( "SQL worked!\n SQL: " + query.lastQuery());
    }
  return (success);
}

// -------------------------------------------------------------------------
void ctkDICOMDatasetView::displayImage(int imageIndex){
  Q_D(ctkDICOMDatasetView);

  if(d->CurrentImageIndex.isValid())
    {
      QModelIndex seriesIndex = d->CurrentImageIndex.parent();
      ctkDICOMModel* model = const_cast<ctkDICOMModel*>(qobject_cast<const ctkDICOMModel*>(seriesIndex.model()));

      if(model)
        {
          if(imageIndex >= 0 && imageIndex < model->rowCount(seriesIndex))
            {
            this->onModelSelected(model->index(imageIndex, 0, seriesIndex));
            }
          else
            {
            logger.debug("out of index");
            }
        }
    }
}

//----------------------------------------------------------------------------
void ctkDICOMThumbnailListWidgetPrivate
::addThumbnailWidget(const QModelIndex& imageIndex,
                     const QModelIndex& sourceIndex, const QString &text)
{
  ctkDICOMModel* model = const_cast<ctkDICOMModel*>(
    qobject_cast<const ctkDICOMModel*>(imageIndex.model()));

  if(!model)
    {
    return;
    }
  QModelIndex seriesIndex = imageIndex.parent();
  QModelIndex studyIndex = seriesIndex.parent();

  QString thumbnailPath = this->DatabaseDirectory +
                          "/thumbs/" + model->data(studyIndex ,ctkDICOMModel::UIDRole).toString() + "/" +
                          model->data(seriesIndex ,ctkDICOMModel::UIDRole).toString() + "/" +
                          model->data(imageIndex, ctkDICOMModel::UIDRole).toString() + ".png";
  if(!QFileInfo(thumbnailPath).exists())
    {
    return;
    }
  ctkThumbnailLabel* widget = new ctkThumbnailLabel(this->ScrollAreaContentWidget);

  QString widgetLabel = text;
  widget->setText( widgetLabel );
  QPixmap pix(thumbnailPath);
  logger.debug("Setting pixmap to " + thumbnailPath);
  if(this->ThumbnailSize.isValid())
    {
    widget->setFixedSize(this->ThumbnailSize);
    }
  widget->setPixmap(pix);

  QVariant var;
  var.setValue(QPersistentModelIndex(sourceIndex));
  widget->setProperty("sourceIndex", var);

  this->addThumbnail(widget);
}

//----------------------------------------------------------------------------
void ctkDICOMThumbnailListWidgetPrivate
::addSeriesThumbnails(const QModelIndex &index)
{
  QModelIndex studyIndex = index.parent();
  QModelIndex seriesIndex = index;

  ctkDICOMModel* model = const_cast<ctkDICOMModel*>(qobject_cast<const ctkDICOMModel*>(index.model()));

  if (!model)
    {
    return;
    }
  model->fetchMore(seriesIndex);

  const int imageCount = model->rowCount(seriesIndex);
  logger.debug(QString("Thumbs: %1").arg(imageCount));
  for (int i = 0 ; i < imageCount ; i++ )
    {
    QModelIndex imageIndex = seriesIndex.child(i,0);

    this->addThumbnailWidget(imageIndex, imageIndex, QString("Image %1").arg(i));
    }
}

//------------------------------------------------------------------------------
bool ctkDICOMRetrievePrivate::retrieve ( QString UID, RetrieveType retriveType ) {

  if ( !this->RetrieveDatabase )
    {
    logger.error ( "Must have RetrieveDatabase for retrieve transaction" );
    return false;
    }

  // Register the JPEG libraries in case we need them
  //   (registration only happens once, so it's okay to call repeatedly)
  // register global JPEG decompression codecs
  DJDecoderRegistration::registerCodecs();
  // register global JPEG compression codecs
  DJEncoderRegistration::registerCodecs();
  // register RLE compression codec
  DcmRLEEncoderRegistration::registerCodecs();
  // register RLE decompression codec
  DcmRLEDecoderRegistration::registerCodecs();

  // Set the DCMTK log level
  log4cplus::Logger rootLogger = log4cplus::Logger::getRoot();
  rootLogger.setLogLevel(log4cplus::DEBUG_LOG_LEVEL);

  // TODO: use this->SCU instead ?
  DcmSCU scu;
  scu.setAETitle ( OFString(this->CallingAETitle.toStdString().c_str()) );
  scu.setPort ( this->CallingPort );
  scu.setPeerAETitle ( OFString(this->CalledAETitle.toStdString().c_str()) );
  scu.setPeerHostName ( OFString(this->Host.toStdString().c_str()) );
  scu.setPeerPort ( this->CalledPort );
  scu.setMoveDestinationAETitle ( OFString(this->MoveDestinationAETitle.toStdString().c_str()) );

  logger.info ( "Setting Transfer Syntaxes" );
  OFList<OFString> transferSyntaxes;
  transferSyntaxes.push_back ( UID_LittleEndianExplicitTransferSyntax );
  transferSyntaxes.push_back ( UID_BigEndianExplicitTransferSyntax );
  transferSyntaxes.push_back ( UID_LittleEndianImplicitTransferSyntax );
  scu.addPresentationContext ( UID_FINDStudyRootQueryRetrieveInformationModel, transferSyntaxes );
  scu.addPresentationContext ( UID_MOVEStudyRootQueryRetrieveInformationModel, transferSyntaxes );

  if ( !scu.initNetwork().good() ) 
    {
    logger.error ( "Error initializing the network" );
    return false;
    }
  logger.debug ( "Negotiating Association" );
  if ( !scu.negotiateAssociation().good() )
    {
    logger.error ( "Error negotiating association" );
    return false;;
    }

  logger.debug ( "Setting Parameters" );
  // Clear the query
  unsigned long elements = this->parameters->card();
  // Clean it out
  for ( unsigned long i = 0; i < elements; i++ ) 
    {
    this->parameters->remove ( 0ul );
    }
  if ( retriveType == RetrieveSeries )
    {
    this->parameters->putAndInsertString ( DCM_QueryRetrieveLevel, "SERIES" );
    this->parameters->putAndInsertString ( DCM_SeriesInstanceUID, UID.toStdString().c_str() );
    } 
  else
    {
    this->parameters->putAndInsertString ( DCM_QueryRetrieveLevel, "STUDY" );
    this->parameters->putAndInsertString ( DCM_StudyInstanceUID, UID.toStdString().c_str() );  
    }

  logger.debug ( "Sending Move Request" );
  MOVEResponses *responses = new MOVEResponses();
  OFCondition status = scu.sendMOVERequest ( 0, this->parameters, responses );
  if (!status.good())
    {
    logger.error ( "MOVE Request failed: " + QString ( status.text() ) );
    return false;
    }

  logger.debug ( "Find succeded" );

  logger.debug ( "Making Output Directory" );
  QDir directory = QDir( RetrieveDatabase->databaseDirectory() );

  if ( responses->begin() == responses->end() )
    {
    logger.error ( "No responses!" );
    throw std::runtime_error( std::string("No responses!") );
    }

  // Write the responses out to disk
  for ( OFListIterator(FINDResponse*) it = responses->begin(); it != responses->end(); it++ )
    {
    DcmDataset *dataset = (*it)->m_dataset;
    if ( dataset != NULL )
      {
      logger.debug ( "Got a valid dataset" );
      // Save in correct directory
//.........这里部分代码省略.........

//------------------------------------------------------------------------------
void ctkDICOMDatabase::insert ( DcmDataset *dataset, bool storeFile, bool generateThumbnail)
{
  Q_D(ctkDICOMDatabase);

  if (!dataset)
    {
    return;
    }
  // Check to see if the file has already been loaded
  OFString sopInstanceUID ;
  dataset->findAndGetOFString(DCM_SOPInstanceUID, sopInstanceUID);

  QSqlQuery fileExists ( d->Database );
  fileExists.prepare("SELECT InsertTimestamp,Filename FROM Images WHERE SOPInstanceUID == ?");
  fileExists.bindValue(0,QString(sopInstanceUID.c_str()));
  fileExists.exec();
  if ( fileExists.next() && QFileInfo(fileExists.value(1).toString()).lastModified() < QDateTime::fromString(fileExists.value(0).toString(),Qt::ISODate) )
    {
    logger.debug ( "File " + fileExists.value(1).toString() + " already added" );
    return;
    }

  OFString patientsName, patientID, patientsBirthDate, patientsBirthTime, patientsSex,
    patientComments, patientsAge;

  OFString studyInstanceUID, studyID, studyDate, studyTime,
    accessionNumber, modalitiesInStudy, institutionName, performingPhysiciansName, referringPhysician, studyDescription;

  OFString seriesInstanceUID, seriesDate, seriesTime,
    seriesDescription, bodyPartExamined, frameOfReferenceUID,
    contrastAgent, scanningSequence;
  OFString instanceNumber;

  Sint32 seriesNumber = 0, acquisitionNumber = 0, echoNumber = 0, temporalPosition = 0;

  //If the following fields can not be evaluated, cancel evaluation of the DICOM file
  dataset->findAndGetOFString(DCM_PatientName, patientsName);
  dataset->findAndGetOFString(DCM_StudyInstanceUID, studyInstanceUID);
  dataset->findAndGetOFString(DCM_SeriesInstanceUID, seriesInstanceUID);
  dataset->findAndGetOFString(DCM_PatientID, patientID);


  dataset->findAndGetOFString(DCM_PatientBirthDate, patientsBirthDate);
  dataset->findAndGetOFString(DCM_PatientBirthTime, patientsBirthTime);
  dataset->findAndGetOFString(DCM_PatientSex, patientsSex);
  dataset->findAndGetOFString(DCM_PatientAge, patientsAge);
  dataset->findAndGetOFString(DCM_PatientComments, patientComments);
  dataset->findAndGetOFString(DCM_StudyID, studyID);
  dataset->findAndGetOFString(DCM_StudyDate, studyDate);
  dataset->findAndGetOFString(DCM_StudyTime, studyTime);
  dataset->findAndGetOFString(DCM_AccessionNumber, accessionNumber);
  dataset->findAndGetOFString(DCM_ModalitiesInStudy, modalitiesInStudy);
  dataset->findAndGetOFString(DCM_InstitutionName, institutionName);
  dataset->findAndGetOFString(DCM_PerformingPhysicianName, performingPhysiciansName);
  dataset->findAndGetOFString(DCM_ReferringPhysicianName, referringPhysician);
  dataset->findAndGetOFString(DCM_StudyDescription, studyDescription);

  dataset->findAndGetOFString(DCM_SeriesDate, seriesDate);
  dataset->findAndGetOFString(DCM_SeriesTime, seriesTime);
  dataset->findAndGetOFString(DCM_SeriesDescription, seriesDescription);
  dataset->findAndGetOFString(DCM_BodyPartExamined, bodyPartExamined);
  dataset->findAndGetOFString(DCM_FrameOfReferenceUID, frameOfReferenceUID);
  dataset->findAndGetOFString(DCM_ContrastBolusAgent, contrastAgent);
  dataset->findAndGetOFString(DCM_ScanningSequence, scanningSequence);

  dataset->findAndGetSint32(DCM_SeriesNumber, seriesNumber);
  dataset->findAndGetSint32(DCM_AcquisitionNumber, acquisitionNumber);
  dataset->findAndGetSint32(DCM_EchoNumbers, echoNumber);
  dataset->findAndGetSint32(DCM_TemporalPositionIdentifier, temporalPosition);

  // store the file if the database is not in memomry
  QString filename;
  if ( storeFile && !this->isInMemory() )
  {
    DcmFileFormat* fileformat = new DcmFileFormat ( dataset );

    QString destinationDirectoryName = databaseDirectory() + "/dicom/";
    QDir destinationDir(destinationDirectoryName);
    QString studySeriesDirectory = QString(studyInstanceUID.c_str()) + "/" + seriesInstanceUID.c_str();
    destinationDir.mkpath(studySeriesDirectory);

    filename = databaseDirectory() + "/dicom/" + pathForDataset(dataset);
    logger.debug ( "Saving file: " + filename );
    OFCondition status = fileformat->saveFile ( filename.toAscii() );
    if ( !status.good() )
      {
      logger.error ( "Error saving file: " + filename + "\nError is " + status.text() );
      delete fileformat;
      return;
      }
    delete fileformat;
  }


  QSqlQuery check_exists_query(d->Database);
  //The patient UID is a unique number within the database, generated by the sqlite autoincrement
  int patientUID = -1;
  if ( patientID != "" && patientsName != "" )
    {
//.........这里部分代码省略.........

bool ctkDICOMDatabase::removeSeries(const QString& seriesInstanceUID)
{
  Q_D(ctkDICOMDatabase);

  // get all images from series
  QSqlQuery fileExists ( d->Database );
  fileExists.prepare("SELECT Filename, SOPInstanceUID, StudyInstanceUID FROM Images,Series WHERE Series.SeriesInstanceUID = Images.SeriesInstanceUID AND Images.SeriesInstanceUID = :seriesID");
  fileExists.bindValue(":seriesID",seriesInstanceUID);
  bool success = fileExists.exec();
  if (!success)
  {
    logger.error("SQLITE ERROR: " + fileExists.lastError().driverText());
    return false;
  }

  QList< QPair<QString,QString> > removeList;
  while ( fileExists.next() )
  {
    QString dbFilePath = fileExists.value(fileExists.record().indexOf("Filename")).toString();
    QString sopInstanceUID = fileExists.value(fileExists.record().indexOf("SOPInstanceUID")).toString();
    QString studyInstanceUID = fileExists.value(fileExists.record().indexOf("StudyInstanceUID")).toString();
    QString internalFilePath = studyInstanceUID + "/" + seriesInstanceUID + "/" + sopInstanceUID;
    removeList << qMakePair(dbFilePath,internalFilePath);
  }

  QSqlQuery fileRemove ( d->Database );
  fileRemove.prepare("DELETE FROM Images WHERE SeriesInstanceUID == :seriesID");
  fileRemove.bindValue(":seriesID",seriesInstanceUID);
  logger.debug("SQLITE: removing seriesInstanceUID " + seriesInstanceUID);
  success = fileRemove.exec();
  if (!success)
  {
    logger.error("SQLITE ERROR: could not remove seriesInstanceUID " + seriesInstanceUID);
    logger.error("SQLITE ERROR: " + fileRemove.lastError().driverText());
  }
  
  QPair<QString,QString> fileToRemove;
  foreach (fileToRemove, removeList)
  {
    QString dbFilePath = fileToRemove.first;
    QString thumbnailToRemove = databaseDirectory() + "/thumbs/" + fileToRemove.second + ".png";

    // check that the file is below our internal storage
    if (dbFilePath.startsWith( databaseDirectory() + "/dicom/"))
    {
      if (!dbFilePath.endsWith(fileToRemove.second))
      {
        logger.error("Database inconsistency detected during delete!");
        continue;
      }
      if (QFile( dbFilePath ).remove())
      {
        logger.debug("Removed file " + dbFilePath );
      }
      else
      {
        logger.warn("Failed to remove file " + dbFilePath );
      }
    }
    if (QFile( thumbnailToRemove ).remove())
      {
        logger.debug("Removed thumbnail " + thumbnailToRemove);
      }
      else
      {
        logger.warn("Failed to remove thumbnail " + thumbnailToRemove);
      }
    }    

void ctkDICOMIndexerBase::insert ( DcmDataset *dataset, QString filename ) {
  CTK_D(ctkDICOMIndexerBase);

  // Check to see if the file has already been loaded
  QSqlQuery fileExists ( d->db );
  fileExists.prepare("SELECT InsertTimestamp FROM Images WHERE Filename == ?"); 
  fileExists.bindValue(0,filename);
  fileExists.exec();
  if ( fileExists.next() && QFileInfo(filename).lastModified() < QDateTime::fromString(fileExists.value(0).toString(),Qt::ISODate) )
    {
    logger.debug ( "File " + filename + " already added" );
    return;
    }

  OFString patientsName, patientID, patientsBirthDate, patientsBirthTime, patientsSex,
    patientComments, patientsAge;

  OFString studyInstanceUID, studyID, studyDate, studyTime,
    accessionNumber, modalitiesInStudy, institutionName, performingPhysiciansName, referringPhysician, studyDescription;

  OFString seriesInstanceUID, seriesDate, seriesTime,
    seriesDescription, bodyPartExamined, frameOfReferenceUID,
    contrastAgent, scanningSequence;
  OFString instanceNumber;

  Sint32 seriesNumber = 0, acquisitionNumber = 0, echoNumber = 0, temporalPosition = 0;

  //If the following fields can not be evaluated, cancel evaluation of the DICOM file
  dataset->findAndGetOFString(DCM_PatientsName, patientsName);
  dataset->findAndGetOFString(DCM_StudyInstanceUID, studyInstanceUID);
  dataset->findAndGetOFString(DCM_SeriesInstanceUID, seriesInstanceUID);
  dataset->findAndGetOFString(DCM_PatientID, patientID);

  dataset->findAndGetOFString(DCM_PatientsBirthDate, patientsBirthDate);
  dataset->findAndGetOFString(DCM_PatientsBirthTime, patientsBirthTime);
  dataset->findAndGetOFString(DCM_PatientsSex, patientsSex);
  dataset->findAndGetOFString(DCM_PatientsAge, patientsAge);
  dataset->findAndGetOFString(DCM_PatientComments, patientComments);
  dataset->findAndGetOFString(DCM_StudyID, studyID);
  dataset->findAndGetOFString(DCM_StudyDate, studyDate);
  dataset->findAndGetOFString(DCM_StudyTime, studyTime);
  dataset->findAndGetOFString(DCM_AccessionNumber, accessionNumber);
  dataset->findAndGetOFString(DCM_ModalitiesInStudy, modalitiesInStudy);
  dataset->findAndGetOFString(DCM_InstitutionName, institutionName);
  dataset->findAndGetOFString(DCM_PerformingPhysiciansName, performingPhysiciansName);
  dataset->findAndGetOFString(DCM_ReferringPhysiciansName, referringPhysician);
  dataset->findAndGetOFString(DCM_StudyDescription, studyDescription);

  dataset->findAndGetOFString(DCM_SeriesDate, seriesDate);
  dataset->findAndGetOFString(DCM_SeriesTime, seriesTime);
  dataset->findAndGetOFString(DCM_SeriesDescription, seriesDescription);
  dataset->findAndGetOFString(DCM_BodyPartExamined, bodyPartExamined);
  dataset->findAndGetOFString(DCM_FrameOfReferenceUID, frameOfReferenceUID);
  dataset->findAndGetOFString(DCM_ContrastBolusAgent, contrastAgent);
  dataset->findAndGetOFString(DCM_ScanningSequence, scanningSequence);

  dataset->findAndGetSint32(DCM_SeriesNumber, seriesNumber);
  dataset->findAndGetSint32(DCM_AcquisitionNumber, acquisitionNumber);
  dataset->findAndGetSint32(DCM_EchoNumbers, echoNumber);
  dataset->findAndGetSint32(DCM_TemporalPositionIdentifier, temporalPosition);

  QSqlQuery check_exists_query(d->db);
  //The patient UID is a unique number within the database, generated by the sqlite autoincrement
  int patientUID = -1;
  if ( patientID != "" && patientsName != "" )
    {
    //Check if patient is already present in the db
    check_exists_query.prepare ( "SELECT * FROM Patients WHERE PatientID = ? AND PatientsName = ?" );
    check_exists_query.bindValue ( 0, QString ( patientID.c_str() ) );
    check_exists_query.bindValue ( 1, QString ( patientsName.c_str() ) );
    check_exists_query.exec();
    
    if (check_exists_query.next())
      {
      patientUID = check_exists_query.value(check_exists_query.record().indexOf("UID")).toInt();
      }
    else
      {
      // Insert it
      QSqlQuery statement ( d->db );
      statement.prepare ( "INSERT INTO Patients ('UID', 'PatientsName', 'PatientID', 'PatientsBirthDate', 'PatientsBirthTime', 'PatientsSex', 'PatientsAge', 'PatientsComments' ) values ( NULL, ?, ?, ?, ?, ?, ?, ? )" );
      statement.bindValue ( 0, QString ( patientsName.c_str() ) );
      statement.bindValue ( 1, QString ( patientID.c_str() ) );
      statement.bindValue ( 2, QString ( patientsBirthDate.c_str() ) );
      statement.bindValue ( 3, QString ( patientsBirthTime.c_str() ) );
      statement.bindValue ( 4, QString ( patientsSex.c_str() ) );
      statement.bindValue ( 5, QString ( patientsAge.c_str() ) );
      statement.bindValue ( 6, QString ( patientComments.c_str() ) );
      statement.exec ();
      patientUID = statement.lastInsertId().toInt();
      logger.debug ( "New patient inserted: " + QString().setNum ( patientUID ) );
      }
    }

  if ( studyInstanceUID != "" )
    {
    check_exists_query.prepare ( "SELECT * FROM Studies WHERE StudyInstanceUID = ?" );
    check_exists_query.bindValue ( 0, QString ( studyInstanceUID.c_str() ) );
    check_exists_query.exec();
    if(!check_exists_query.next())
//.........这里部分代码省略.........