/// <summary>
/// Send all the images found in the given storage directory.
/// </summary>
/// <param name="storageDirectory">Given storage directory - containing storage DCM files.</param>
/// <param name="modalityWorklistItem">Worklist Item used to provide overruling values for
/// the Image headers.</param>
/// <param name="withSingleAssociation">Boolean indicating whether the images should be sent in a single
/// association or not.</param>
/// <returns>Boolean indicating success or failure.</returns>
public bool SendModalityImagesStored(System.String storageDirectory, DicomQueryItem modalityWorklistItem, bool withSingleAssociation)
{
if ((storageDirectory.Length == 0) ||
(modalityWorklistItem == null))
{
return(false);
}
// Use a hash table to store the instance uid mappings
// - the instance uids for the study, series and sop are going to be updated for all the datasets
// read from the storageDirectory
Hashtable instanceMapper = new Hashtable();
// Get the directory info for the storage directory - and make sure that it exists
DirectoryInfo directoryInfo = new DirectoryInfo(storageDirectory);
if (directoryInfo.Exists == false)
{
System.String message = System.String.Format("storageDirectory:\"{0}\" - does not exist.", storageDirectory);
throw new System.Exception(message);
}
// Get a trigger
DicomTrigger trigger = new DicomTrigger(TransactionNameEnum.RAD_8);
trigger.HandleInSingleAssociation = withSingleAssociation;
// Interate over all the DCM files found in the storage directory
// - update the instances found with the worklist item contents and
// set up the triggers for the Image Archive
foreach (FileInfo fileInfo in directoryInfo.GetFiles())
{
if ((fileInfo.Extension.ToLower().Equals(".dcm")) ||
(fileInfo.Extension == System.String.Empty))
{
// Read the file meta information - it must be present for this actor
DvtkData.Media.FileMetaInformation fileMetaInformation = Dvtk.DvtkDataHelper.ReadFMIFromFile(fileInfo.FullName);
if (fileMetaInformation == null)
{
continue;
}
// Try to get the transfer syntax uid
// - start with Implicit VR Little Endian
System.String transferSyntaxUid = "1.2.840.10008.1.2";
DvtkData.Dimse.Attribute attribute = fileMetaInformation.GetAttribute(DvtkData.Dimse.Tag.TRANSFER_SYNTAX_UID);
if (attribute != null)
{
UniqueIdentifier uniqueIdentifier = (UniqueIdentifier)attribute.DicomValue;
if (uniqueIdentifier.Values.Count > 0)
{
transferSyntaxUid = uniqueIdentifier.Values[0];
}
}
// Read the dataset from the DCM file
DvtkData.Dimse.DataSet dataset = Dvtk.DvtkDataHelper.ReadDataSetFromFile(fileInfo.FullName);
if (dataset == null)
{
continue;
}
// Remove any Group Lengths from the dataset
dataset.RemoveGroupLengthAttributes();
// Try to get the series instance uid
System.String oldSeriesInstanceUid = System.String.Empty;
DvtkData.Dimse.Attribute seriesInstanceUidAttribute = dataset.GetAttribute(Tag.SERIES_INSTANCE_UID);
if (seriesInstanceUidAttribute != null)
{
UniqueIdentifier uniqueIdentifier = (UniqueIdentifier)seriesInstanceUidAttribute.DicomValue;
if (uniqueIdentifier.Values.Count > 0)
{
oldSeriesInstanceUid = uniqueIdentifier.Values[0];
}
// Remove the old series instance from the dataset
dataset.Remove(seriesInstanceUidAttribute);
}
// See if a mapping exists
System.String newSeriesInstanceUid = (System.String)instanceMapper[oldSeriesInstanceUid];
if (newSeriesInstanceUid == null)
{
// Add a mapping
DefaultValueManager.UpdateInstantiatedDefaultTagValues(AffectedEntityEnum.SeriesEntity);
newSeriesInstanceUid = DefaultValueManager.GetInstantiatedValue(Tag.SERIES_INSTANCE_UID);
instanceMapper.Add(oldSeriesInstanceUid, newSeriesInstanceUid);
}
// Add the new series instance uid to the dataset
dataset.AddAttribute(Tag.SERIES_INSTANCE_UID.GroupNumber, Tag.SERIES_INSTANCE_UID.ElementNumber, VR.UI, newSeriesInstanceUid);
// Try to get the sop instance uid
System.String oldSopInstanceUid = System.String.Empty;
DvtkData.Dimse.Attribute sopInstanceUidAttribute = dataset.GetAttribute(Tag.SOP_INSTANCE_UID);
if (sopInstanceUidAttribute != null)
{
UniqueIdentifier uniqueIdentifier = (UniqueIdentifier)sopInstanceUidAttribute.DicomValue;
if (uniqueIdentifier.Values.Count > 0)
{
oldSopInstanceUid = uniqueIdentifier.Values[0];
}
// Remove the old sop instance from the dataset
dataset.Remove(sopInstanceUidAttribute);
}
// See if a mapping exists
System.String newSopInstanceUid = (System.String)instanceMapper[oldSopInstanceUid];
if (newSopInstanceUid == null)
{
// Add a mapping
DefaultValueManager.UpdateInstantiatedDefaultTagValues(AffectedEntityEnum.InstanceEntity);
newSopInstanceUid = DefaultValueManager.GetInstantiatedValue(Tag.SOP_INSTANCE_UID);
instanceMapper.Add(oldSopInstanceUid, newSopInstanceUid);
}
// Add the new sop instance uid to the dataset
dataset.AddAttribute(Tag.SOP_INSTANCE_UID.GroupNumber, Tag.SOP_INSTANCE_UID.ElementNumber, VR.UI, newSopInstanceUid);
// Use modality Worklist Item to help construct the Storage Message
// Get the attribute values to copy
DvtkHighLevelInterface.Comparator.Comparator worklistItemComparator = new DvtkHighLevelInterface.Comparator.Comparator("WorklistItemComparator");
DicomComparator dicomWorklistItemComparator = worklistItemComparator.InitializeDicomComparator(modalityWorklistItem.DicomMessage);
// Also try to use the MPPS InProgress Message to help construct the Storage Message
DvtkHighLevelInterface.Comparator.Comparator mppsInProgressComparator = new DvtkHighLevelInterface.Comparator.Comparator("MppsInProgressComparator");
DicomComparator dicomMppsInProgressComparator = null;
if (_nCreateSetMppsInProgress != null)
{
dicomMppsInProgressComparator = mppsInProgressComparator.InitializeDicomComparator(_nCreateSetMppsInProgress);
}
// Create the Storage message
DvtkHighLevelInterface.Comparator.Comparator storageComparator = new DvtkHighLevelInterface.Comparator.Comparator("StorageComparator");
DvtkHighLevelInterface.Dicom.Messages.DicomMessage cStoreInstance = new DvtkHighLevelInterface.Dicom.Messages.DicomMessage(DvtkData.Dimse.DimseCommand.CSTORERQ);
GenerateTriggers.MakeCStoreInstance(DefaultValueManager, cStoreInstance, dataset);
storageComparator.PopulateDicomMessage(cStoreInstance, dicomWorklistItemComparator);
if (dicomMppsInProgressComparator != null)
{
storageComparator.PopulateDicomMessage(cStoreInstance, dicomMppsInProgressComparator);
}
// Try to get the sop class uid
System.String sopClassUid = System.String.Empty;
DvtkData.Dimse.Attribute sopClassUidAttribute = dataset.GetAttribute(Tag.SOP_CLASS_UID);
if (sopClassUidAttribute != null)
{
UniqueIdentifier uniqueIdentifier = (UniqueIdentifier)sopClassUidAttribute.DicomValue;
if (uniqueIdentifier.Values.Count > 0)
{
sopClassUid = uniqueIdentifier.Values[0];
}
}
// Add trigger item to the trigger
trigger.AddItem(cStoreInstance,
sopClassUid,
transferSyntaxUid);
}
}
// RAD-8 - trigger the ImageArchive
return(TriggerActorInstances(ActorTypeEnum.ImageArchive, trigger, true));
}
private static void AddTagsToDataset(TagValueCollection tags, DvtkData.Dimse.DataSet dataset)
{
// iterate over the tags
foreach (DicomTagValue tag in tags)
{
if (tag.ParentSequenceTag != Tag.UNDEFINED)
{
// try to get the sequence tag in the dataset
DvtkData.Dimse.Attribute sequenceAttribute = dataset.GetAttribute(tag.ParentSequenceTag);
if ((sequenceAttribute != null) &&
(sequenceAttribute.ValueRepresentation == DvtkData.Dimse.VR.SQ))
{
SequenceOfItems sequenceOfItems = (SequenceOfItems)sequenceAttribute.DicomValue;
if (sequenceOfItems.Sequence.Count == 1)
{
SequenceItem item = sequenceOfItems.Sequence[0];
if (item != null)
{
VR vr = VR.UN;
// try to get the attribute in the item
DvtkData.Dimse.Attribute attribute = item.GetAttribute(tag.Tag);
if (attribute != null)
{
vr = attribute.ValueRepresentation;
item.Remove(attribute);
}
// add the query value
item.AddAttribute(tag.Tag.GroupNumber,
tag.Tag.ElementNumber,
vr,
tag.Value);
}
}
}
}
else
{
VR vr = VR.UN;
// try to get the attribute in the dataset
DvtkData.Dimse.Attribute attribute = dataset.GetAttribute(tag.Tag);
if (attribute != null)
{
vr = attribute.ValueRepresentation;
dataset.Remove(attribute);
}
// special check for the SPECIFIC CHARACTER SET attribute
if (tag.Tag == Tag.SPECIFIC_CHARACTER_SET)
{
vr = VR.CS;
}
// add the query value
dataset.AddAttribute(tag.Tag.GroupNumber,
tag.Tag.ElementNumber,
vr,
tag.Value);
}
}
}
private bool CopyToDicomMessage(DvtkData.Dimse.DicomMessage dicomMessage, DicomComparator sourceComparator)
{
bool messagePopulated = true;
// Check if both templates have been initialized correctly
if ((this.Template == null) ||
(sourceComparator.Template == null))
{
return(false);
}
// Iterate over this comparator
foreach (DicomComparisonTag thisComparisonTag in this.Template.ComparisonTags)
{
// try to get the equivalent tag in the sourceComparator
DicomComparisonTag sourceComparisonTag = sourceComparator.Template.ComparisonTags.Find(thisComparisonTag.Tag);
if (sourceComparisonTag != null)
{
System.String stringValue = sourceComparisonTag.DataFormat.ToDicomFormat();
DvtkData.Dimse.DataSet dataset = dicomMessage.DataSet;
if (dataset != null)
{
// we need to see if the parent sequence has been set up in the dataset
if (thisComparisonTag.ParentSequenceTag != Tag.UNDEFINED)
{
// set up the parent sequence and add it to the dataset
SequenceOfItems sequenceOfItems = null;
DvtkData.Dimse.Attribute sequenceAttribute = dataset.GetAttribute(thisComparisonTag.ParentSequenceTag);
if (sequenceAttribute == null)
{
// add in an empty item
DvtkData.Dimse.SequenceItem item = new SequenceItem();
dataset.AddAttribute(thisComparisonTag.ParentSequenceTag.GroupNumber,
thisComparisonTag.ParentSequenceTag.ElementNumber,
VR.SQ,
item);
sequenceAttribute = dataset.GetAttribute(thisComparisonTag.ParentSequenceTag);
}
// get the sequence item and add in the required attribute
sequenceOfItems = (SequenceOfItems)sequenceAttribute.DicomValue;
if (sequenceOfItems.Sequence.Count == 1)
{
DvtkData.Dimse.SequenceItem item = sequenceOfItems.Sequence[0];
if (item != null)
{
// add the attribute to the item
if (sourceComparisonTag.Vr == VR.SQ)
{
// add in an empty item
// TODO - fix this properly
DvtkData.Dimse.SequenceItem item1 = new SequenceItem();
item.AddAttribute(sourceComparisonTag.Tag.GroupNumber,
sourceComparisonTag.Tag.ElementNumber,
VR.SQ,
item1);
}
else
{
// if the attribute already exists - then we need to remove it
// - it was probably set to the default value
DvtkData.Dimse.Attribute attribute = item.GetAttribute(sourceComparisonTag.Tag);
if (attribute != null)
{
item.Remove(attribute);
}
// add the attribute to the item
item.AddAttribute(sourceComparisonTag.Tag.GroupNumber,
sourceComparisonTag.Tag.ElementNumber,
sourceComparisonTag.Vr,
stringValue);
}
}
}
}
else
{
// if the attribute already exists - then we need to remove it
// - it was probably set to the default value
DvtkData.Dimse.Attribute attribute = dataset.GetAttribute(sourceComparisonTag.Tag);
if (attribute != null)
{
dataset.Remove(attribute);
}
// add the attribute at the top level
dataset.AddAttribute(sourceComparisonTag.Tag.GroupNumber,
sourceComparisonTag.Tag.ElementNumber,
sourceComparisonTag.Vr,
stringValue);
}
}
}
}
return(messagePopulated);
}