private ArrayList ImportRefFilesFromDicomdir(string dicomDir, HLI.DataSet dataset)
{
int recordsCount = 0;
ArrayList refFileNames = new ArrayList();
FileInfo dicomDirInfo = new FileInfo(dicomDir);
HLI.Attribute recordSeqAttr = dataset["0x00041220"];
if (recordSeqAttr.Exists)
{
recordsCount = recordSeqAttr.ItemCount;
for (int i = 0; i < recordsCount; i++)
{
HLI.SequenceItem record = recordSeqAttr.GetItem(i + 1);
Values values = record["0x00041430"].Values;
System.String recType = values[0];
if ((recType == "IMAGE") || (recType == "PRESENTATION"))
{
Values refFileIds = record["0x00041500"].Values;
string refFile = "";
for (int j = 0; j < refFileIds.Count; j++)
{
refFile += refFileIds[j];
refFile += @"\";
}
refFile = refFile.Remove((refFile.Length - 1), 1);
refFileNames.Add(Path.Combine(dicomDirInfo.DirectoryName, refFile));
}
}
}
return refFileNames;
}
/// <summary>
/// Update the attributes in the composite with the new values
/// </summary>
/// <param name="composite">
/// composite for Anonymization
/// </param>
public void UpdateAnonymizedAttributes( HLI.Attribute composite)
{
//Iterate through all attributes specified for anonymization by DICOM
//and anonymize them.
try
{
string[] tempAnonymizedAttributes = null;
if(anonymizationType)
{
tempAnonymizedAttributes = anonymizedAttributes ;
}
else
{
tempAnonymizedAttributes = anonymizedAttributesComplete;
}
string attributeValue = TagString(composite.GroupNumber , composite.ElementNumber);
for (int i = 0; i < tempAnonymizedAttributes.Length; i++)
{
if (attributeValue == tempAnonymizedAttributes[i])
{
HLI.Attribute attrValue = composite ;
string anonymised = null;
if (attrValue != null)
{
DvtkData.Dimse.VR dicomVR = attrValue.VR;
switch (dicomVR)
{
case VR.PN:
if (tempAnonymizedAttributes[i] == TagString(sequenceTag.PATIENTS_NAME))
{
// Tag not found in in-params
// assigning patient id
if (anonymised == null)
{
//todo Later
anonymised = Guid.NewGuid().ToString().Replace("-","p").Substring(1,15);
}
composite.Values.Clear();
composite.Values.Add(anonymised);
}
else
{
HLI.Values tempValue = attrValue.Values;
if(tempValue.Count>0)
{
for( int j = 0 ; j<tempValue.Count ;j++)
{
tempValue[j] = anonymised;
}
}
composite.Values.Clear();
composite.Values.Add(tempValue);
}
break;
case VR.UI:
composite.Values.Clear();
composite.Values.Add(anonymised);
break;
case VR.SH:
if (
tempAnonymizedAttributes[i] ==
TagString(sequenceTag.ACCESSION_NUMBER) &&
anonymised == null
)
{
anonymised = Guid.NewGuid().ToString().Replace("-","a").Substring(1,9);
}
composite.Values.Clear();
composite.Values.Add(anonymised);
break;
case VR.AS:
composite.Values.Clear();
composite.Values.Add(anonymised);
break;
case VR.LO:
composite.Values.Clear();
composite.Values.Add(anonymised);
break;
case VR.DA:
if (tempAnonymizedAttributes[i] == TagString(sequenceTag.PATIENTS_BIRTH_DATE))
{
// Tag not found in in-params
// assigning patient id
if (anonymised == null)
{
//todo Later
anonymised = System.DateTime.Today.Year.ToString() + System.DateTime.Today.Month.ToString("00") + System.DateTime.Today.Day.ToString("00");
}
composite.Values.Clear();
composite.Values.Add(anonymised);
}
else
{
composite.Values.Clear();
composite.Values.Add(anonymised);
}
break;
case VR.TM:
if (tempAnonymizedAttributes[i] == TagString(sequenceTag.PATIENTS_BIRTH_TIME))
{
// Tag not found in in-params
// assigning patient id
if (anonymised == null)
{
//todo Later
anonymised = System.DateTime.Now.TimeOfDay.Hours.ToString("00") + System.DateTime.Now.TimeOfDay.Minutes.ToString("00") + System.DateTime.Now.TimeOfDay.Seconds.ToString("00");
}
composite.Values.Clear();
composite.Values.Add(anonymised);
}
else
{
composite.Values.Clear();
composite.Values.Add(anonymised);
}
break;
case VR.LT:
composite.Values.Clear();
composite.Values.Add(anonymised);
break;
case VR.ST:
composite.Values.Clear();
composite.Values.Add(anonymised);
break;
case VR.CS:
if (tempAnonymizedAttributes[i] == TagString(sequenceTag.PATIENTS_SEX))
{
// Tag not found in in-params
// assigning patient id
if (anonymised == null)
{
//todo Later
anonymised = "O" ;
}
composite.Values.Clear();
composite.Values.Add(anonymised);
}
else
{
composite.Values.Clear();
composite.Values.Add(anonymised);
}
break;
case VR.DS:
composite.Values.Clear();
composite.Values.Add(anonymised);
break;
}
}
}
}
}
catch ( Exception e)
{
Console.WriteLine(e.Message);
}
}
public void PatientAttributes(HLI.DataSet dcmDataset)
{
try
{
HLI.Values initialPatientName = dcmDataset.GetValues(TagString(sequenceTag.PATIENTS_NAME));
HLI.Values initialPatientId = dcmDataset.GetValues(TagString(sequenceTag.PATIENT_ID));
string patientHashKey = initialPatientName[0] + "*!#@" + initialPatientId[0];
string patientName = "";
string patientId = "";
if (allUIDInfo.Contains(patientHashKey))
{
string temp = allUIDInfo[patientHashKey].ToString();
string tempName = temp.Substring(0,temp.IndexOf("*!#@"));
string tempPatientId = temp.Substring(temp.IndexOf("*!#@")+4);
if ( dcmDataset.Exists(TagString(sequenceTag.PATIENTS_NAME)))
{
dcmDataset.Set(TagString(sequenceTag.PATIENTS_NAME), VR.PN,tempName);
}
if ( dcmDataset.Exists(TagString(sequenceTag.PATIENT_ID)))
{
dcmDataset.Set(TagString(sequenceTag.PATIENT_ID), VR.LO, tempPatientId);
}
}
else
{
if ( dcmDataset.Exists(TagString(sequenceTag.PATIENTS_NAME)))
{
patientName = Guid.NewGuid().ToString().Replace("-","p0").Substring(0,15);
dcmDataset.Set(TagString(sequenceTag.PATIENTS_NAME), VR.PN,patientName);
}
if ( dcmDataset.Exists(TagString(sequenceTag.PATIENT_ID)))
{
patientId = Guid.NewGuid().ToString().Replace("-","p1").Substring(0,15);
dcmDataset.Set(TagString(sequenceTag.PATIENT_ID), VR.LO, patientId);
}
allUIDInfo[patientHashKey] = patientName + "*!#@" + patientId;
}
}
catch(Exception ex)
{
string MessageText = ex.Message ;
Console.WriteLine(MessageText);
}
}
public void SequenceAttribute_recursive(HLI.Attribute seqAttr)
{
int numberOfItems = seqAttr.ItemCount;
for( int i=0; i<numberOfItems;i++)
{
HLI.SequenceItem item = seqAttr.GetItem(i+1);
int numberOfattributes = item.Count ;
for (int j=0; j <numberOfattributes ; j++)
{
HLI.Attribute attrInItem = item[j];
if(attrInItem.VR != VR.SQ)
{
CacheAndRepairIdentifyingAttribute(attrInItem);
UpdateAnonymizedAttributes(attrInItem);
}
else
{
SequenceAttribute_recursive(attrInItem);
}
}
}
}
// <summary>
/// Cache the patient information for reference updation in Presentation
/// State later.
/// </summary>
/// <param name="composite">
/// The composite to be anonymized
/// </param>
/// <param name="isImage">
/// if isImage is true then we are updating for image otherwise we are
/// updating for ps
/// when the composite is PS object the SeriesInstaceUID will be repaired later.
///</param>
public void CacheAndRepairIdentifyingAttribute(HLI.Attribute composite)
{
try
{
string attributeValue = TagString(composite.GroupNumber , composite.ElementNumber);
string oldValue;
string[] tempcompositeKeyTags = null;
if(!anonymizationType)
{
tempcompositeKeyTags = compositeKeyTagsComplete ;
}
else
{
tempcompositeKeyTags = compositeKeyTags;
}
for (int i = 0; i < tempcompositeKeyTags.Length; i++)
{
if (attributeValue == tempcompositeKeyTags[i])
{
HLI.Attribute attrValue = composite;
if (attrValue != null)
{
HLI.Values initialValues = composite.Values ;
oldValue = initialValues[0];
DvtkData.Dimse.VR dicomVR = attrValue.VR;
switch (dicomVR)
{
case VR.UI:
string tempUIID ;
if (nullPatientID)
{
tempUIID = HLI.UID.Create();
}
else
{
tempUIID = (string)allUIDInfo[oldValue];
if (tempUIID == null)
{
tempUIID = UIDModifier(oldValue);
}
}
// In case of Series always store the current ID in the map.
// This will be used while updating the series reference.
allUIDInfo[oldValue] = tempUIID;
composite.Values.Clear();
composite.Values.Add(tempUIID);
break;
case VR.SH:
string uniqueAccesionNumber ;
if (nullPatientID)
{
uniqueAccesionNumber = Guid.NewGuid().ToString().Replace("-","a").Substring(1,9);
}
else
{
uniqueAccesionNumber = (string)allUIDInfo[oldValue];
if (uniqueAccesionNumber == null)
{
uniqueAccesionNumber = Guid.NewGuid().ToString().Replace("-","a").Substring(1,9);
}
}
// In case of Series always store the current ID in the map.
// This will be used while updating the series reference.
allUIDInfo[oldValue] = uniqueAccesionNumber;
//dcmDataset.Set(compositeKeyTags[i],VR.SH,uniqueAccesionNumber);
composite.Values.Clear();
composite.Values.Add(uniqueAccesionNumber);
break;
}
}
}
}
}
catch ( Exception e)
{
Console.WriteLine(e.Message);
}
}
