/// <summary>
/// Patient merge request - update modality worklist information model.
/// </summary>
/// <param name="dataset">Dataset containing patient merge attributes.</param>
public override void PatientMerge(DvtkData.Dimse.DataSet dataset)
{
// Get the merge patient - need to use this to search for the corresponding patient IE
DvtkData.Dimse.Attribute mergePatientId = dataset.GetAttribute(Tag.OTHER_PATIENT_IDS);
if (mergePatientId.Length != 0)
{
LongString longString = (LongString)mergePatientId.DicomValue;
System.String attributeValue = longString.Values[0];
DataSet queryDataset = new DataSet("Transient");
queryDataset.AddAttribute(Tag.PATIENT_ID.GroupNumber, Tag.PATIENT_ID.ElementNumber, VR.LO, attributeValue);
// check each patient IE in the patientRootList
foreach (PatientInformationEntity lPatientInformationEntity in Root)
{
// if IE matches the unique (merge) patient id field in the query dataset
if (lPatientInformationEntity.IsUniqueTagFoundIn(queryDataset))
{
// update the patient demographics - including the patient id
lPatientInformationEntity.CopyFrom(dataset);
break;
}
}
}
}
private bool LoadTemplate(DvtkData.Dimse.DataSet dataset)
{
if (dataset == null)
{
return(false);
}
// try to find the template tag in the dataset
foreach (DicomComparisonTag comparisonTag in this._template.ComparisonTags)
{
DvtkData.Dimse.Tag tag = comparisonTag.Tag;
DvtkData.Dimse.Tag parentSequenceTag = comparisonTag.ParentSequenceTag;
System.String attributeValue = System.String.Empty;
if (parentSequenceTag != Tag.UNDEFINED)
{
DvtkData.Dimse.Attribute sequenceAttribute = dataset.GetAttribute(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)
{
DvtkData.Dimse.Attribute attribute = item.GetAttribute(tag);
attributeValue = GetAttributeValue(attribute);
}
}
}
}
else
{
DvtkData.Dimse.Attribute attribute = dataset.GetAttribute(tag);
attributeValue = GetAttributeValue(attribute);
}
if (attributeValue != System.String.Empty)
{
comparisonTag.DataFormat.FromDicomFormat(attributeValue);
}
}
return(true);
}
protected override void LoadData(DvtkData.Dimse.DataSet _dataSet)
{
base.LoadData(_dataSet);
patientName = BaseCompositeInformationEntity.GetDicomValue(_dataSet.GetAttribute(DvtkData.Dimse.Tag.PATIENTS_NAME));
patientId = BaseCompositeInformationEntity.GetDicomValue(_dataSet.GetAttribute(DvtkData.Dimse.Tag.PATIENT_ID));
}
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);
}
}
}
/// <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));
}
/// <summary>
/// Add the default attribute values to the local dataset if the attribute values
/// are not already present in the local dataset. A zero-length attribute in the local
/// dataset will be replaced by a value of the same attribute (tag) in the defaultDataset.
/// All child Entities are also processed.
/// </summary>
/// <param name="defaultDataset"></param>
public void AddDefaultAttributes(DataSet defaultDataset)
{
// use tag list to determine which attributes should take default values
foreach (TagType tagType in _tagTypeList)
{
// only add a default value it the attribute is not already in the dataset.
DvtkData.Dimse.Attribute attribute = _dataset.GetAttribute(tagType.Tag);
if ((attribute == null) ||
(attribute.Length == 0))
{
// check if a default value is available for this tag
DvtkData.Dimse.Attribute defaultAttribute = defaultDataset.GetAttribute(tagType.Tag);
if (defaultAttribute != null)
{
// need to remove any zero-length attribute
if ((attribute != null) &&
(attribute.Length == 0))
{
_dataset.Remove(attribute);
}
// add default value to the dataset
_dataset.Add(defaultAttribute);
}
}
}
// include all children
foreach (BaseInformationEntity informationEntity in _children)
{
informationEntity.AddDefaultAttributes(defaultDataset);
}
}
/// <summary>
/// Use the information entity tagTypeList to add default values from the defaultDataset
/// into this _dataset.
/// A default value will be added if:
/// overWriteExistingValue is true and a default value exists.
/// or:
/// overWriteExistingValue is false and the default value exists and this _dataset either does
/// not contain the default tag or the default tag has a zero-length value.
/// All child Entities are also processed.
/// </summary>
/// <param name="overWriteExistingValue"></param>
/// <param name="defaultDataset"></param>
public void AddDefaultAttributes(bool overWriteExistingValue, DataSet defaultDataset)
{
// use tag list to determine which attributes should take default values
foreach (TagType tagType in _tagTypeList)
{
// only add a default value it the attribute is not already in the dataset.
DvtkData.Dimse.Attribute attribute = _dataset.GetAttribute(tagType.Tag);
// check if a default value is available for this tag
DvtkData.Dimse.Attribute defaultAttribute = defaultDataset.GetAttribute(tagType.Tag);
// Only make changes if a default attribute is found
if (defaultAttribute != null)
{
// overwrite any existing value
if (overWriteExistingValue == true)
{
if (attribute != null && attribute.ValueRepresentation == VR.SQ&&defaultAttribute.ValueRepresentation==VR.SQ)
{
DvtkData.Dimse.Attribute actualAttrib = attribute;
foreach( SequenceItem sourceItem in ((SequenceOfItems)defaultAttribute.DicomValue).Sequence)
{
for (int i = 0; i < sourceItem.Count; i++)
{
DvtkData.Dimse.Attribute sourceAttrib = sourceItem[i];
foreach (SequenceItem destItem in ((SequenceOfItems)attribute.DicomValue).Sequence)
{
DvtkData.Dimse.Attribute desattrib = destItem.GetAttribute(sourceAttrib.Tag);
if (desattrib != null)
{
destItem.Remove(desattrib);
}
destItem.Add(sourceAttrib);
}
}
}
_dataset.Remove(actualAttrib);
_dataset.Add(attribute);
}
else
{
if (attribute != null)
{
// remove the old attribute value
_dataset.Remove(attribute);
}
// add default value to the dataset
_dataset.Add(defaultAttribute);
}
}
else
{
// need to remove any zero-length attribute
if ((attribute != null) &&
(attribute.Length == 0))
{
_dataset.Remove(attribute);
// add default value to the dataset
_dataset.Add(defaultAttribute);
}
else if (attribute == null)
{
// add default value to the dataset
_dataset.Add(defaultAttribute);
}
}
}
}
// include all children
foreach (BaseInformationEntity informationEntity in _children)
{
informationEntity.AddDefaultAttributes(overWriteExistingValue, defaultDataset);
}
}
/// <summary>
/// Retrieve a list of filenames from the Information Model. The filenames match the
/// individual instances matching the retrieve dataset attributes.
/// </summary>
/// <param name="retrieveDataset">Retrive dataset.</param>
/// <returns>File list - containing the filenames of all instances matching the retrieve dataset attributes.</returns>
public DvtkData.Collections.StringCollection RetrieveInformationModel(DataSet retrieveDataset)
{
DvtkData.Collections.StringCollection fileList = new DvtkData.Collections.StringCollection();
// get the query/retrieve level
String queryRetrieveLevel = "UNKNOWN";
DvtkData.Dimse.Attribute queryRetrieveLevelAttribute = retrieveDataset.GetAttribute(Tag.QUERY_RETRIEVE_LEVEL);
if (queryRetrieveLevelAttribute != null)
{
CodeString codeString = (CodeString)queryRetrieveLevelAttribute.DicomValue;
if (codeString.Values.Count == 1)
{
queryRetrieveLevel = codeString.Values[0].Trim();
}
}
// Find the matching PATIENT.
PatientInformationEntity patientInformationEntity = null;
foreach (PatientInformationEntity lPatientInformationEntity in Root)
{
if (lPatientInformationEntity.IsUniqueTagFoundIn(retrieveDataset))
{
patientInformationEntity = lPatientInformationEntity;
break;
}
}
if (patientInformationEntity != null)
{
// retrieve at the PATIENT level
if (queryRetrieveLevel == "PATIENT")
{
fileList = patientInformationEntity.FileNames;
}
else
{
// Find the matching STUDIES.
BaseInformationEntityList studyInformationEntities = patientInformationEntity.ChildrenWithUniqueTagFoundIn(retrieveDataset);
if (studyInformationEntities.Count > 0)
{
// Retrieve at the STUDY level
if (queryRetrieveLevel == "STUDY")
{
foreach (StudyInformationEntity studyInformationEntity in studyInformationEntities)
{
foreach (String fileName in studyInformationEntity.FileNames)
{
fileList.Add(fileName);
}
}
}
else
{
// Find the matching SERIES.
BaseInformationEntityList seriesInformationEntities = studyInformationEntities[0].ChildrenWithUniqueTagFoundIn(retrieveDataset);
if (seriesInformationEntities.Count > 0)
{
// retrieve at the SERIES level
if (queryRetrieveLevel == "SERIES")
{
foreach (SeriesInformationEntity seriesInformationEntity in seriesInformationEntities)
{
foreach (String fileName in seriesInformationEntity.FileNames)
{
fileList.Add(fileName);
}
}
}
else
{
// Find the matching IMAGE
BaseInformationEntityList instanceInformationEntities = seriesInformationEntities[0].ChildrenWithUniqueTagFoundIn(retrieveDataset);
// retrieve at the IMAGE level
if ((instanceInformationEntities.Count > 0) &&
(queryRetrieveLevel == "IMAGE"))
{
foreach (InstanceInformationEntity instanceInformationEntity in instanceInformationEntities)
{
if (instanceInformationEntity.Filename != null)
fileList.Add(instanceInformationEntity.Filename);
}
}
}
}
}
}
}
}
return fileList;
}
/// <summary>
/// Query the Information Model using the given Query Dataset.
/// </summary>
/// <param name="queryDataset">Query Dataset.</param>
/// <returns>A collection of zero or more query reponse datasets.</returns>
public override DataSetCollection QueryInformationModel(DataSet queryDataset)
{
DataSetCollection queryResponses = new DataSetCollection();
// get the query/retrieve level
String queryRetrieveLevel = "UNKNOWN";
DvtkData.Dimse.Attribute queryRetrieveLevelAttribute = queryDataset.GetAttribute(Tag.QUERY_RETRIEVE_LEVEL);
if (queryRetrieveLevelAttribute != null)
{
CodeString codeString = (CodeString)queryRetrieveLevelAttribute.DicomValue;
if (codeString.Values.Count == 1)
{
queryRetrieveLevel = codeString.Values[0].Trim();
}
}
// query at the PATIENT level
if (queryRetrieveLevel == "PATIENT")
{
TagTypeList queryTagTypeList = new TagTypeList();
TagTypeList returnTagTypeList = new TagTypeList();
foreach (DvtkData.Dimse.Attribute attribute in queryDataset)
{
if (attribute.ValueRepresentation == VR.SQ)
{
foreach (SequenceItem s in ((SequenceOfItems)attribute.DicomValue).Sequence)
{
if (IsSequenceHavingValue(s))
{
queryTagTypeList.Add(new TagType(attribute.Tag, TagTypeEnum.TagRequired));
}
}
}
else if ((attribute.Length != 0) &&
(attribute.Tag.ElementNumber != 0x0000))
{
queryTagTypeList.Add(new TagType(attribute.Tag, TagTypeEnum.TagRequired));
}
if (attribute.Tag != Tag.SPECIFIC_CHARACTER_SET)
returnTagTypeList.Add(new TagType(attribute.Tag, TagTypeEnum.TagOptional));
}
foreach (PatientInformationEntity patientInformationEntity in Root)
{
if (patientInformationEntity.IsFoundIn(queryTagTypeList, queryDataset))
{
// PATIENT level matches
DataSet queryResponse = new DataSet();
// if the specific character set attribute has been stored in the patient IE - return it in the query response
DvtkData.Dimse.Attribute specificCharacterSetAttribute = patientInformationEntity.GetSpecificCharacterSet();
if (specificCharacterSetAttribute != null)
{
queryResponse.Add(specificCharacterSetAttribute);
}
patientInformationEntity.CopyTo(returnTagTypeList, queryResponse);
patientInformationEntity.CopyAdditionalAttributes(queryResponse);
queryResponses.Add(queryResponse);
}
}
}
else
{
// find the matching PATIENT
PatientInformationEntity patientInformationEntity = null;
foreach (PatientInformationEntity lPatientInformationEntity in Root)
{
if (lPatientInformationEntity.IsUniqueTagFoundIn(queryDataset))
{
patientInformationEntity = lPatientInformationEntity;
break;
}
}
if (patientInformationEntity != null)
{
// query at the STUDY level
if (queryRetrieveLevel == "STUDY")
{
TagTypeList queryTagTypeList = new TagTypeList();
TagTypeList returnTagTypeList = new TagTypeList();
foreach (DvtkData.Dimse.Attribute attribute in queryDataset)
{
// do not add higher level tag
if (attribute.Tag == Tag.PATIENT_ID) continue;
if (attribute.ValueRepresentation == VR.SQ)
{
foreach (SequenceItem s in ((SequenceOfItems)attribute.DicomValue).Sequence)
{
if (IsSequenceHavingValue(s))
{
queryTagTypeList.Add(new TagType(attribute.Tag, TagTypeEnum.TagRequired));
}
}
}
else if ((attribute.Length != 0) &&
(attribute.Tag.ElementNumber != 0x0000))
{
queryTagTypeList.Add(new TagType(attribute.Tag, TagTypeEnum.TagRequired));
}
returnTagTypeList.Add(new TagType(attribute.Tag, TagTypeEnum.TagOptional));
}
foreach (StudyInformationEntity studyInformationEntity in patientInformationEntity.Children)
{
if (studyInformationEntity.IsFoundIn(queryTagTypeList, queryDataset))
{
// STUDY level matches
DataSet queryResponse = new DataSet();
// if the specific character set attribute has been stored in the study IE - return it in the query response
DvtkData.Dimse.Attribute specificCharacterSetAttribute = studyInformationEntity.GetSpecificCharacterSet();
if (specificCharacterSetAttribute != null)
{
queryResponse.Add(specificCharacterSetAttribute);
}
patientInformationEntity.CopyUniqueTagTo(queryResponse);
studyInformationEntity.CopyTo(returnTagTypeList, queryResponse);
studyInformationEntity.CopyAdditionalAttributes(queryResponse);
queryResponses.Add(queryResponse);
}
}
}
else
{
// find the matching STUDY
StudyInformationEntity studyInformationEntity = null;
foreach (StudyInformationEntity lStudyInformationEntity in patientInformationEntity.Children)
{
if (lStudyInformationEntity.IsUniqueTagFoundIn(queryDataset))
{
studyInformationEntity = lStudyInformationEntity;
break;
}
}
if (studyInformationEntity != null)
{
// query at the SERIES level
if (queryRetrieveLevel == "SERIES")
{
TagTypeList queryTagTypeList = new TagTypeList();
TagTypeList returnTagTypeList = new TagTypeList();
foreach (DvtkData.Dimse.Attribute attribute in queryDataset)
{
// do not add higher level tags
if ((attribute.Tag == Tag.PATIENT_ID) ||
(attribute.Tag == Tag.STUDY_INSTANCE_UID)) continue;
if (attribute.ValueRepresentation == VR.SQ)
{
foreach (SequenceItem s in ((SequenceOfItems)attribute.DicomValue).Sequence)
{
if (IsSequenceHavingValue(s))
{
queryTagTypeList.Add(new TagType(attribute.Tag, TagTypeEnum.TagRequired));
}
}
}
else if ((attribute.Length != 0) &&
(attribute.Tag.ElementNumber != 0x0000))
{
queryTagTypeList.Add(new TagType(attribute.Tag, TagTypeEnum.TagRequired));
}
returnTagTypeList.Add(new TagType(attribute.Tag, TagTypeEnum.TagOptional));
}
foreach (SeriesInformationEntity seriesInformationEntity in studyInformationEntity.Children)
{
if (seriesInformationEntity.IsFoundIn(queryTagTypeList, queryDataset))
{
// SERIES level matches
DataSet queryResponse = new DataSet();
// if the specific character set attribute has been stored in the series IE - return it in the query response
DvtkData.Dimse.Attribute specificCharacterSetAttribute = seriesInformationEntity.GetSpecificCharacterSet();
if (specificCharacterSetAttribute != null)
{
queryResponse.Add(specificCharacterSetAttribute);
}
patientInformationEntity.CopyUniqueTagTo(queryResponse);
studyInformationEntity.CopyUniqueTagTo(queryResponse);
seriesInformationEntity.CopyTo(returnTagTypeList, queryResponse);
seriesInformationEntity.CopyAdditionalAttributes(queryResponse);
queryResponses.Add(queryResponse);
}
}
}
else
{
// find the matching SERIES
SeriesInformationEntity seriesInformationEntity = null;
foreach (SeriesInformationEntity lSeriesInformationEntity in studyInformationEntity.Children)
{
if (lSeriesInformationEntity.IsUniqueTagFoundIn(queryDataset))
{
seriesInformationEntity = lSeriesInformationEntity;
break;
}
}
if (seriesInformationEntity != null)
{
// query at the IMAGE level
if (queryRetrieveLevel == "IMAGE")
{
TagTypeList queryTagTypeList = new TagTypeList();
TagTypeList returnTagTypeList = new TagTypeList();
foreach (DvtkData.Dimse.Attribute attribute in queryDataset)
{
// do not add higher level tags
if ((attribute.Tag == Tag.PATIENT_ID) ||
(attribute.Tag == Tag.STUDY_INSTANCE_UID) ||
(attribute.Tag == Tag.SERIES_INSTANCE_UID)) continue;
if (attribute.ValueRepresentation == VR.SQ)
{
foreach (SequenceItem s in ((SequenceOfItems)attribute.DicomValue).Sequence)
{
if (IsSequenceHavingValue(s))
{
queryTagTypeList.Add(new TagType(attribute.Tag, TagTypeEnum.TagRequired));
}
}
}
else if ((attribute.Length != 0) &&
(attribute.Tag.ElementNumber != 0x0000))
{
queryTagTypeList.Add(new TagType(attribute.Tag, TagTypeEnum.TagRequired));
}
returnTagTypeList.Add(new TagType(attribute.Tag, TagTypeEnum.TagOptional));
}
foreach (InstanceInformationEntity instanceInformationEntity in seriesInformationEntity.Children)
{
if (instanceInformationEntity.IsFoundIn(queryTagTypeList, queryDataset))
{
// IMAGE level matches
DataSet queryResponse = new DataSet();
// if the specific character set attribute has been stored in the instance IE - return it in the query response
DvtkData.Dimse.Attribute specificCharacterSetAttribute = instanceInformationEntity.GetSpecificCharacterSet();
if (specificCharacterSetAttribute != null)
{
queryResponse.Add(specificCharacterSetAttribute);
}
patientInformationEntity.CopyUniqueTagTo(queryResponse);
studyInformationEntity.CopyUniqueTagTo(queryResponse);
seriesInformationEntity.CopyUniqueTagTo(queryResponse);
instanceInformationEntity.CopyTo(returnTagTypeList, queryResponse);
instanceInformationEntity.CopyAdditionalAttributes(queryResponse);
queryResponses.Add(queryResponse);
}
}
}
}
}
}
}
}
}
return queryResponses;
}
/// <summary>
/// Query the Information Model using the given Query Dataset.
/// </summary>
/// <param name="queryDataset">Query Dataset.</param>
/// <returns>A collection of zero or more query reponse datasets.</returns>
public override DataSetCollection QueryInformationModel(DataSet queryDataset)
{
DataSetCollection queryResponses = null;
// get the query/retrieve level
String queryRetrieveLevel = "UNKNOWN";
DvtkData.Dimse.Attribute queryRetrieveLevelAttribute = queryDataset.GetAttribute(Tag.QUERY_RETRIEVE_LEVEL);
if (queryRetrieveLevelAttribute != null)
{
CodeString codeString = (CodeString)queryRetrieveLevelAttribute.DicomValue;
if (codeString.Values.Count == 1)
{
queryRetrieveLevel = codeString.Values[0].Trim();
}
}
// query at the PATIENT level
if (queryRetrieveLevel == "PATIENT")
{
TagTypeList queryTagTypeList = new TagTypeList();
TagTypeList returnTagTypeList = new TagTypeList();
foreach (DvtkData.Dimse.Attribute attribute in queryDataset)
{
if (attribute.Length != 0)
{
queryTagTypeList.Add(new TagType(attribute.Tag, TagTypeEnum.TagRequired));
}
returnTagTypeList.Add(new TagType(attribute.Tag, TagTypeEnum.TagOptional));
}
foreach (PatientInformationEntity patientInformationEntity in Root)
{
if (patientInformationEntity.IsFoundIn(queryTagTypeList, queryDataset))
{
// PATIENT level matches
DataSet queryResponse = new DataSet();
patientInformationEntity.CopyTo(returnTagTypeList, queryResponse);
queryResponses.Add(queryResponse);
}
}
}
else
{
// find the matching PATIENT
PatientInformationEntity patientInformationEntity = null;
foreach (PatientInformationEntity lPatientInformationEntity in Root)
{
if (lPatientInformationEntity.IsUniqueTagFoundIn(queryDataset))
{
patientInformationEntity = lPatientInformationEntity;
break;
}
}
if (patientInformationEntity != null)
{
// query at the STUDY level
if (queryRetrieveLevel == "STUDY")
{
TagTypeList queryTagTypeList = new TagTypeList();
TagTypeList returnTagTypeList = new TagTypeList();
foreach (DvtkData.Dimse.Attribute attribute in queryDataset)
{
// do not add higher level tag
if (attribute.Tag == Tag.PATIENT_ID) continue;
if (attribute.Length != 0)
{
queryTagTypeList.Add(new TagType(attribute.Tag, TagTypeEnum.TagRequired));
}
returnTagTypeList.Add(new TagType(attribute.Tag, TagTypeEnum.TagOptional));
}
foreach (StudyInformationEntity studyInformationEntity in patientInformationEntity.Children)
{
if (studyInformationEntity.IsFoundIn(queryTagTypeList, queryDataset))
{
// STUDY level matches
DataSet queryResponse = new DataSet();
patientInformationEntity.CopyUniqueTagTo(queryResponse);
studyInformationEntity.CopyTo(returnTagTypeList, queryResponse);
queryResponses.Add(queryResponse);
}
}
}
}
}
return queryResponses;
}
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);
}
public static DvtkHighLevelInterface.Messages.DicomMessage MakeStorageCommitEvent(QueryRetrieveInformationModels informationModels, DvtkHighLevelInterface.Messages.DicomMessage actionMessage)
{
// refresh the information models
informationModels.Refresh();
DvtkHighLevelInterface.Messages.DicomMessage eventMessage = new DvtkHighLevelInterface.Messages.DicomMessage(DvtkData.Dimse.DimseCommand.NEVENTREPORTRQ);
eventMessage.Set("0x00000002", DvtkData.Dimse.VR.UI, "1.2.840.10008.1.20.1");
eventMessage.Set("0x00001000", DvtkData.Dimse.VR.UI, "1.2.840.10008.1.20.1.1");
eventMessage.Set("0x00001002", DvtkData.Dimse.VR.US, 1);
DvtkData.Dimse.DataSet actionDataset = actionMessage.DataSet.DvtkDataDataSet;
DvtkData.Dimse.DataSet eventDataset = new DvtkData.Dimse.DataSet();
DvtkData.Dimse.Attribute eventReferenceSopSequence = new DvtkData.Dimse.Attribute(0x00081199, DvtkData.Dimse.VR.SQ);
SequenceOfItems eventReferenceSopSequenceOfItems = new SequenceOfItems();
eventReferenceSopSequence.DicomValue = eventReferenceSopSequenceOfItems;
DvtkData.Dimse.Attribute eventFailedSopSequence = new DvtkData.Dimse.Attribute(0x00081198, DvtkData.Dimse.VR.SQ);
SequenceOfItems eventFailedSopSequenceOfItems = new SequenceOfItems();
eventFailedSopSequence.DicomValue = eventFailedSopSequenceOfItems;
if (actionDataset != null)
{
DvtkData.Dimse.Attribute transactionUid = actionDataset.GetAttribute(DvtkData.Dimse.Tag.TRANSACTION_UID);
if (transactionUid != null)
{
eventDataset.Add(transactionUid);
}
DvtkData.Dimse.Attribute referencedSopSequence = actionDataset.GetAttribute(DvtkData.Dimse.Tag.REFERENCED_SOP_SEQUENCE);
if (referencedSopSequence != null)
{
SequenceOfItems sequenceOfItems = (SequenceOfItems)referencedSopSequence.DicomValue;
foreach (DvtkData.Dimse.SequenceItem item in sequenceOfItems.Sequence)
{
System.String sopClassUid = "";
System.String sopInstanceUid = "";
DvtkData.Dimse.Attribute attribute = item.GetAttribute(DvtkData.Dimse.Tag.REFERENCED_SOP_CLASS_UID);
if (attribute != null)
{
UniqueIdentifier uniqueIdentifier = (UniqueIdentifier)attribute.DicomValue;
sopClassUid = uniqueIdentifier.Values[0];
}
attribute = item.GetAttribute(DvtkData.Dimse.Tag.REFERENCED_SOP_INSTANCE_UID);
if (attribute != null)
{
UniqueIdentifier uniqueIdentifier = (UniqueIdentifier)attribute.DicomValue;
sopInstanceUid = uniqueIdentifier.Values[0];
}
if (informationModels.PatientRoot.IsInstanceInInformationModel(sopClassUid, sopInstanceUid))
{
DvtkData.Dimse.SequenceItem itemOk = new DvtkData.Dimse.SequenceItem();
itemOk.AddAttribute(0x00081150, DvtkData.Dimse.VR.UI, sopClassUid);
itemOk.AddAttribute(0x00081155, DvtkData.Dimse.VR.UI, sopInstanceUid);
// add instance to committed list
eventReferenceSopSequenceOfItems.Sequence.Add(itemOk);
}
else
{
DvtkData.Dimse.SequenceItem itemNotOk = new DvtkData.Dimse.SequenceItem();
itemNotOk.AddAttribute(0x00081150, DvtkData.Dimse.VR.UI, sopClassUid);
itemNotOk.AddAttribute(0x00081155, DvtkData.Dimse.VR.UI, sopInstanceUid);
itemNotOk.AddAttribute(0x00081197, DvtkData.Dimse.VR.US, 0x0110);
// add instance to failed list
eventFailedSopSequenceOfItems.Sequence.Add(itemNotOk);
}
}
}
if (eventReferenceSopSequenceOfItems.Sequence.Count > 0)
{
eventDataset.Add(eventReferenceSopSequence);
}
if (eventFailedSopSequenceOfItems.Sequence.Count > 0)
{
eventDataset.Add(eventFailedSopSequence);
}
}
eventMessage.DataSet.DvtkDataDataSet = eventDataset;
return(eventMessage);
}
