private static void AddReferencedSopSequence(ReferencedSopItemCollection storageCommitItems,
uint tag,
DvtkData.Dimse.AttributeSet attributeSet,
InstanceStateEnum newInstanceState)
{
ushort group = (ushort)(tag >> 16);
ushort element = (ushort)(tag & 0x0000FFFF);
DvtkData.Dimse.Tag tagValue = new DvtkData.Dimse.Tag(group, element);
DvtkData.Dimse.Attribute referencedSopSequence = attributeSet.GetAttribute(tagValue);
if (referencedSopSequence != null)
{
attributeSet.Remove(referencedSopSequence);
}
referencedSopSequence = new DvtkData.Dimse.Attribute(tag, DvtkData.Dimse.VR.SQ);
SequenceOfItems referencedSopSequenceOfItems = new SequenceOfItems();
referencedSopSequence.DicomValue = referencedSopSequenceOfItems;
foreach(ReferencedSopItem referencedSopItem in storageCommitItems)
{
if (((referencedSopItem.InstanceState == InstanceStateEnum.InstanceStored) &&
(newInstanceState == InstanceStateEnum.InstanceMppsCompleted)) ||
((referencedSopItem.InstanceState == InstanceStateEnum.InstanceMppsCompleted) &&
(newInstanceState == InstanceStateEnum.InstanceStorageCommitRequested)))
{
DvtkData.Dimse.SequenceItem referencedSopSequenceItem = new DvtkData.Dimse.SequenceItem();
referencedSopSequenceItem.AddAttribute(DvtkData.Dimse.Tag.REFERENCED_SOP_CLASS_UID.GroupNumber,
DvtkData.Dimse.Tag.REFERENCED_SOP_CLASS_UID.ElementNumber,
DvtkData.Dimse.VR.UI, referencedSopItem.SopClassUid);
referencedSopSequenceItem.AddAttribute(DvtkData.Dimse.Tag.REFERENCED_SOP_INSTANCE_UID.GroupNumber,
DvtkData.Dimse.Tag.REFERENCED_SOP_INSTANCE_UID.ElementNumber,
DvtkData.Dimse.VR.UI, referencedSopItem.SopInstanceUid);
referencedSopItem.InstanceState = newInstanceState;
referencedSopSequenceOfItems.Sequence.Add(referencedSopSequenceItem);
}
}
attributeSet.Add(referencedSopSequence);
}
private static void UpdateValue(System.String attributeValue,
DvtkData.Dimse.Tag tag,
VR vr,
DvtkData.Dimse.AttributeSet attributeSet)
{
// Only update the value if the dataset contains an attribute with the same tag
DvtkData.Dimse.Attribute attribute = attributeSet.GetAttribute(tag);
if (attribute != null)
{
// Remove the existing attribute
attributeSet.Remove(attribute);
// Add the new (updated) value
attributeSet.AddAttribute(tag.GroupNumber, tag.ElementNumber, (DvtkData.Dimse.VR)vr, attributeValue);
}
}
private static void AddDefaultValueEvenIfZeroLength(Dvtk.Dicom.InformationEntity.DefaultValues.DefaultValueManager defaultValueManager,
DvtkData.Dimse.Tag tag,
VR vr,
DvtkData.Dimse.AttributeSet attributeSet)
{
// Only add a default value if the attribute does not already exist or has a zero length
DvtkData.Dimse.Attribute attribute = attributeSet.GetAttribute(tag);
if (attribute == null)
{
// Attribute does not exist so add a default value
System.String lValue = defaultValueManager.GetInstantiatedValue(tag);
attributeSet.AddAttribute(tag.GroupNumber, tag.ElementNumber, (DvtkData.Dimse.VR)vr, lValue);
}
else if (attribute.Length == 0)
{
// Remove the existing attribute
attributeSet.Remove(attribute);
// Attribute had zero length so add a default value
System.String lValue = defaultValueManager.GetInstantiatedValue(tag);
attributeSet.AddAttribute(tag.GroupNumber, tag.ElementNumber, (DvtkData.Dimse.VR)vr, lValue);
}
}
private static void UpdateStartDateTimeValues(Dvtk.Dicom.InformationEntity.DefaultValues.DefaultValueManager defaultValueManager, DvtkData.Dimse.DataSet dataset)
{
DvtkData.Dimse.Attribute ppsStartDate = dataset.GetAttribute(DvtkData.Dimse.Tag.PERFORMED_PROCEDURE_STEP_START_DATE);
if (ppsStartDate != null)
{
dataset.Remove(ppsStartDate);
}
AddDefaultValue(defaultValueManager, DvtkData.Dimse.Tag.PERFORMED_PROCEDURE_STEP_START_DATE, VR.DA, dataset);
DvtkData.Dimse.Attribute ppsStartTime = dataset.GetAttribute(DvtkData.Dimse.Tag.PERFORMED_PROCEDURE_STEP_START_TIME);
if (ppsStartTime != null)
{
dataset.Remove(ppsStartTime);
}
AddDefaultValue(defaultValueManager, DvtkData.Dimse.Tag.PERFORMED_PROCEDURE_STEP_START_TIME, VR.TM, dataset);
}
private static void AddStoreInstanceValues(Dvtk.Dicom.InformationEntity.DefaultValues.DefaultValueManager defaultValueManager,
DvtkData.Dimse.DataSet dataset,
bool generateImageData)
{
DvtkData.Dimse.SequenceItem requestAttributesSequenceItem = new DvtkData.Dimse.SequenceItem();
// Patient Entity default values
AddDefaultValue(defaultValueManager, DvtkData.Dimse.Tag.PATIENTS_NAME, VR.PN, dataset);
AddDefaultValue(defaultValueManager, DvtkData.Dimse.Tag.PATIENT_ID, VR.LO, dataset);
AddDefaultValue(defaultValueManager, DvtkData.Dimse.Tag.PATIENTS_BIRTH_DATE, VR.DA, dataset);
AddDefaultValue(defaultValueManager, DvtkData.Dimse.Tag.PATIENTS_SEX, VR.CS, dataset);
// Study Entity default values
AddDefaultValue(defaultValueManager, DvtkData.Dimse.Tag.STUDY_DESCRIPTION, VR.LO, dataset);
AddDefaultValue(defaultValueManager, DvtkData.Dimse.Tag.STUDY_ID, VR.SH, dataset);
AddDefaultValue(defaultValueManager, DvtkData.Dimse.Tag.STUDY_DATE, VR.DA, dataset);
AddDefaultValue(defaultValueManager, DvtkData.Dimse.Tag.STUDY_TIME, VR.TM, dataset);
// Series Entity default values
AddDefaultValue(defaultValueManager, DvtkData.Dimse.Tag.PROTOCOL_NAME, VR.LO, dataset);
AddDefaultValue(defaultValueManager, DvtkData.Dimse.Tag.SERIES_DESCRIPTION, VR.LO, dataset);
AddDefaultValue(defaultValueManager, DvtkData.Dimse.Tag.PERFORMING_PHYSICIANS_NAME, VR.PN, dataset);
AddDefaultValue(defaultValueManager, DvtkData.Dimse.Tag.OPERATORS_NAME, VR.PN, dataset);
AddDefaultValue(defaultValueManager, DvtkData.Dimse.Tag.SERIES_INSTANCE_UID, VR.UI, dataset);
AddDefaultValue(defaultValueManager, DvtkData.Dimse.Tag.SERIES_NUMBER, VR.IS, dataset);
// Instance Entity default values
AddDefaultValue(defaultValueManager, DvtkData.Dimse.Tag.SOP_INSTANCE_UID, VR.UI, dataset);
AddDefaultValue(defaultValueManager, DvtkData.Dimse.Tag.INSTANCE_NUMBER, VR.IS, dataset);
// Image Service Request Entity default values
AddDefaultValue(defaultValueManager, DvtkData.Dimse.Tag.ACCESSION_NUMBER, VR.SH, dataset);
AddDefaultValue(defaultValueManager, DvtkData.Dimse.Tag.REFERRING_PHYSICIANS_NAME, VR.PN, dataset);
// Requested Procedure Entity default values
AddDefaultValue(defaultValueManager, DvtkData.Dimse.Tag.REQUESTED_PROCEDURE_ID, VR.SH, requestAttributesSequenceItem);
AddDefaultValue(defaultValueManager, DvtkData.Dimse.Tag.STUDY_INSTANCE_UID, VR.UI, dataset);
// Scheduled Procedure Step Entity default values
AddDefaultValue(defaultValueManager, DvtkData.Dimse.Tag.MODALITY, VR.CS, dataset);
AddDefaultValue(defaultValueManager, DvtkData.Dimse.Tag.SCHEDULED_PROCEDURE_STEP_ID, VR.SH, requestAttributesSequenceItem);
AddDefaultValue(defaultValueManager, DvtkData.Dimse.Tag.SCHEDULED_PROCEDURE_STEP_DESCRIPTION, VR.LO, requestAttributesSequenceItem);
// Performed Procedure Step Entity default values
AddDefaultValue(defaultValueManager, DvtkData.Dimse.Tag.PERFORMED_PROCEDURE_STEP_ID, VR.SH, dataset);
AddDefaultValue(defaultValueManager, DvtkData.Dimse.Tag.PERFORMED_PROCEDURE_STEP_DESCRIPTION, VR.LO, dataset);
AddDefaultValue(defaultValueManager, DvtkData.Dimse.Tag.PERFORMED_PROCEDURE_STEP_START_DATE, VR.DA, dataset);
AddDefaultValue(defaultValueManager, DvtkData.Dimse.Tag.PERFORMED_PROCEDURE_STEP_START_TIME, VR.TM, dataset);
// Check if the Request Attribute Sequence is already present
DvtkData.Dimse.Attribute requestAttributesSequence = dataset.GetAttribute(DvtkData.Dimse.Tag.REQUEST_ATTRIBUTES_SEQUENCE);
if (requestAttributesSequence != null)
{
// Remove the existing (old) sequence
dataset.Remove(requestAttributesSequence);
}
// Add the new sequence
dataset.AddAttribute(DvtkData.Dimse.Tag.REQUEST_ATTRIBUTES_SEQUENCE.GroupNumber,
DvtkData.Dimse.Tag.REQUEST_ATTRIBUTES_SEQUENCE.ElementNumber,
DvtkData.Dimse.VR.SQ, requestAttributesSequenceItem);
// Check if we need to generate the image data too (including pixel data)
if (generateImageData == true)
{
// Add Secondary Capture image data
dataset.AddAttribute(DvtkData.Dimse.Tag.SOP_CLASS_UID.GroupNumber,
DvtkData.Dimse.Tag.SOP_CLASS_UID.ElementNumber,
DvtkData.Dimse.VR.UI, "1.2.840.10008.5.1.4.1.1.7");
dataset.AddAttribute(DvtkData.Dimse.Tag.CONVERSION_TYPE.GroupNumber,
DvtkData.Dimse.Tag.CONVERSION_TYPE.ElementNumber,
DvtkData.Dimse.VR.CS, "DV");
dataset.AddAttribute(DvtkData.Dimse.Tag.PATIENT_ORIENTATION.GroupNumber,
DvtkData.Dimse.Tag.PATIENT_ORIENTATION.ElementNumber,
DvtkData.Dimse.VR.CS);
dataset.AddAttribute(DvtkData.Dimse.Tag.SAMPLES_PER_PIXEL.GroupNumber,
DvtkData.Dimse.Tag.SAMPLES_PER_PIXEL.ElementNumber,
DvtkData.Dimse.VR.US, 1);
dataset.AddAttribute(DvtkData.Dimse.Tag.PHOTOMETRIC_INTERPRETATION.GroupNumber,
DvtkData.Dimse.Tag.PHOTOMETRIC_INTERPRETATION.ElementNumber,
DvtkData.Dimse.VR.CS, "MONOCHROME2");
dataset.AddAttribute(DvtkData.Dimse.Tag.ROWS.GroupNumber,
DvtkData.Dimse.Tag.ROWS.ElementNumber,
DvtkData.Dimse.VR.US, 512);
dataset.AddAttribute(DvtkData.Dimse.Tag.COLUMNS.GroupNumber,
DvtkData.Dimse.Tag.COLUMNS.ElementNumber,
DvtkData.Dimse.VR.US, 512);
dataset.AddAttribute(DvtkData.Dimse.Tag.BITS_ALLOCATED.GroupNumber,
DvtkData.Dimse.Tag.BITS_ALLOCATED.ElementNumber,
DvtkData.Dimse.VR.US, 8);
dataset.AddAttribute(DvtkData.Dimse.Tag.BITS_STORED.GroupNumber,
DvtkData.Dimse.Tag.BITS_STORED.ElementNumber,
DvtkData.Dimse.VR.US, 8);
dataset.AddAttribute(DvtkData.Dimse.Tag.HIGH_BIT.GroupNumber,
DvtkData.Dimse.Tag.HIGH_BIT.ElementNumber,
DvtkData.Dimse.VR.US, 7);
dataset.AddAttribute(DvtkData.Dimse.Tag.PIXEL_REPRESENTATION.GroupNumber,
DvtkData.Dimse.Tag.PIXEL_REPRESENTATION.ElementNumber,
DvtkData.Dimse.VR.US, 0);
dataset.AddAttribute(DvtkData.Dimse.Tag.PIXEL_DATA.GroupNumber,
DvtkData.Dimse.Tag.PIXEL_DATA.ElementNumber,
DvtkData.Dimse.VR.OB, 512);
}
}
private static void AddStorageCommitItems(Dvtk.Dicom.InformationEntity.DefaultValues.DefaultValueManager defaultValueManager,
ReferencedSopItemCollection storageCommitItems,
DvtkData.Dimse.DataSet dataset)
{
DvtkData.Dimse.SequenceItem performedSeriesSequenceItem = null;
// Try to get the Performed Series Sequence
DvtkData.Dimse.Attribute performedSeriesSequence = dataset.GetAttribute(DvtkData.Dimse.Tag.PERFORMED_SERIES_SEQUENCE);
if (performedSeriesSequence != null)
{
DvtkData.Dimse.SequenceOfItems sequenceOfItems = (DvtkData.Dimse.SequenceOfItems)performedSeriesSequence.DicomValue;
if (sequenceOfItems.Sequence.Count == 1)
{
performedSeriesSequenceItem = sequenceOfItems.Sequence[0];
}
else
{
dataset.Remove(performedSeriesSequence);
performedSeriesSequenceItem = new DvtkData.Dimse.SequenceItem();
dataset.AddAttribute(DvtkData.Dimse.Tag.PERFORMED_SERIES_SEQUENCE.GroupNumber,
DvtkData.Dimse.Tag.PERFORMED_SERIES_SEQUENCE.ElementNumber,
DvtkData.Dimse.VR.SQ, performedSeriesSequenceItem);
}
}
else
{
performedSeriesSequenceItem = new DvtkData.Dimse.SequenceItem();
dataset.AddAttribute(DvtkData.Dimse.Tag.PERFORMED_SERIES_SEQUENCE.GroupNumber,
DvtkData.Dimse.Tag.PERFORMED_SERIES_SEQUENCE.ElementNumber,
DvtkData.Dimse.VR.SQ, performedSeriesSequenceItem);
}
if (performedSeriesSequenceItem != null)
{
// Series Entity default values
DvtkData.Dimse.Attribute seriesInstanceUid = performedSeriesSequenceItem.GetAttribute(DvtkData.Dimse.Tag.SERIES_INSTANCE_UID);
if (seriesInstanceUid != null)
{
performedSeriesSequenceItem.Remove(seriesInstanceUid);
}
AddDefaultValue(defaultValueManager, DvtkData.Dimse.Tag.SERIES_INSTANCE_UID, VR.UI, performedSeriesSequenceItem);
AddReferencedSopSequence(storageCommitItems, 0x00081140, performedSeriesSequenceItem, InstanceStateEnum.InstanceMppsCompleted);
}
}
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 static void AddDicomAttribute(DvtkData.Dimse.AttributeSet dataset, DicomTagPath dicomTagPath, System.String dicomValue)
{
if (dicomTagPath.Next != null)
{
// Try to get the sequence identified by this Tag
DvtkData.Dimse.Attribute sequenceAttribute = dataset.GetAttribute(dicomTagPath.Tag);
if (sequenceAttribute == null)
{
// Need to add the sequence
DvtkData.Dimse.SequenceItem item = new DvtkData.Dimse.SequenceItem();
dataset.AddAttribute(dicomTagPath.Tag.GroupNumber,
dicomTagPath.Tag.ElementNumber,
DvtkData.Dimse.VR.SQ, item);
// Get the newly added sequence
sequenceAttribute = dataset.GetAttribute(dicomTagPath.Tag);
}
// Get the contained item
DvtkData.Dimse.SequenceOfItems sequenceOfItems = (DvtkData.Dimse.SequenceOfItems)sequenceAttribute.DicomValue;
if (sequenceOfItems.Sequence.Count == 1)
{
DvtkData.Dimse.SequenceItem item = sequenceOfItems.Sequence[0];
// Call recursively
AddDicomAttribute(item, dicomTagPath.Next, dicomValue);
}
}
else
{
// Try to get the attribute identified by this Tag
DvtkData.Dimse.Attribute attribute = dataset.GetAttribute(dicomTagPath.Tag);
if (attribute != null)
{
// If present - remove the attribute - we want to update the value
dataset.Remove(attribute);
}
// Add the new value
dataset.AddAttribute(dicomTagPath.Tag.GroupNumber, dicomTagPath.Tag.ElementNumber, DicomTagVrLookup.GetVR(dicomTagPath.Tag), dicomValue);
}
}