public static DicomDataset Write(DicomRTContourImageItem contour)
{
var ds = new DicomDataset();
ds.Add(DicomTag.ReferencedSOPClassUID, contour.ReferencedSOPClassUID);
ds.Add(DicomTag.ReferencedSOPInstanceUID, contour.ReferencedSOPInstanceUID);
return(ds);
}
public static DicomDataset Write(DicomRTReferencedSeries series)
{
var ds = new DicomDataset();
ds.Add(DicomTag.SeriesInstanceUID, series.SeriesInstanceUID);
var listOfContour = new List <DicomDataset>();
foreach (var contour in series.ContourImages)
{
var newDS = DicomRTContourImageItem.Write(contour);
listOfContour.Add(newDS);
}
ds.Add(new DicomSequence(DicomTag.ContourImageSequence, listOfContour.ToArray()));
return(ds);
}
public static DicomRTReferencedSeries Read(DicomDataset ds)
{
var seriesInstanceUID = ds.GetStringOrEmpty(DicomTag.SeriesInstanceUID);
var contourImages = new List <DicomRTContourImageItem>();
if (ds.Contains(DicomTag.ContourImageSequence))
{
// Changed for new OSS fo-dicom-desktop
var seq = ds.GetSequence(DicomTag.ContourImageSequence);
//var seq = ds.Get<DicomSequence>(DicomTag.ContourImageSequence);
foreach (var item in seq)
{
var contourImageItem = DicomRTContourImageItem.Read(item);
contourImages.Add(contourImageItem);
}
}
return(new DicomRTReferencedSeries(seriesInstanceUID, contourImages));
}
/// <summary>
/// Constructs a new DicomDataSet representing the given DicomRTContourItem
/// </summary>
/// <param name="contourItem"></param>
/// <returns></returns>
public static DicomDataset Write(DicomRTContourItem contourItem)
{
var newDS = new DicomDataset();
// The contour data is in Dicom Patient Coordinates (always mm units)
// rounding to 0.001 gives us 1 micron accuracy and should not blow the 16 char limit in DICOM
// for DS value representations.
var roundedData = contourItem.Data.Select(d => d.ToString("F3", CultureInfo.InvariantCulture)).ToArray();
newDS.Add(DicomTag.ContourData, roundedData);
newDS.Add(DicomTag.NumberOfContourPoints, contourItem.NumberOfPoints);
newDS.Add(DicomTag.ContourGeometricType, contourItem.GeometricType);
var imageDataSets = new List <DicomDataset>();
foreach (var imageSeq in contourItem.ImageSeq)
{
imageDataSets.Add(DicomRTContourImageItem.Write(imageSeq));
}
newDS.Add(new DicomSequence(DicomTag.ContourImageSequence, imageDataSets.ToArray()));
return(newDS);
}
/// <summary>
/// Read an RT Contour Item from the given dataset.
/// </summary>
/// <param name="ds"></param>
/// <returns></returns>
public static DicomRTContourItem Read(DicomDataset ds)
{
// Changed for new OSS fo-dicom-desktop
var numberOfPoints = ds.GetSingleValue <int>(DicomTag.NumberOfContourPoints);
// fo-dicom internally parses strings to decimal using InvariantCulture and then converts to double
var data = ds.GetValues <double>(DicomTag.ContourData);
//var numberOfPoints = ds.Get<int>(DicomTag.NumberOfContourPoints);
//// fo-dicom internally parses strings to decimal using InvariantCulture and then converts to double
//var data = ds.Get<double[]>(DicomTag.ContourData);
var geometricType = ds.GetTrimmedStringOrEmpty(DicomTag.ContourGeometricType);
List <DicomRTContourImageItem> listImages = new List <DicomRTContourImageItem>();
if (ds.Contains(DicomTag.ContourImageSequence))
{
// Changed for new OSS fo-dicom-desktop
var seqImages = ds.GetSequence(DicomTag.ContourImageSequence);
//var seqImages = ds.Get<DicomSequence>(DicomTag.ContourImageSequence);
foreach (var item in seqImages)
{
listImages.Add(DicomRTContourImageItem.Read(item));
}
}
return(new DicomRTContourItem(data, numberOfPoints, geometricType, listImages));
}
public static DicomRTFrameOFReference CreateReferencedFrames(IReadOnlyList <DicomIdentifiers> identifiers)
{
// Check all identifiers have the same SeriesInstanceUid
var firstIdentifier = identifiers.First();
if (identifiers.Any(x => x.Series.SeriesInstanceUid != firstIdentifier.Series.SeriesInstanceUid))
{
throw new InvalidOperationException("the list of slices are not for the same series");
}
if (identifiers.Any(x => x.Study.StudyInstanceUid != firstIdentifier.Study.StudyInstanceUid))
{
throw new InvalidOperationException("the list of slices are not for the same study");
}
if (identifiers.Any(x => x.FrameOfReference.FrameOfReferenceUid != firstIdentifier.FrameOfReference.FrameOfReferenceUid))
{
throw new InvalidOperationException("the list of slices are not from the same frame of reference");
}
var frameOfReference = new DicomRTFrameOFReference(firstIdentifier.FrameOfReference.FrameOfReferenceUid, new List <DicomRTReferencedStudy>()
{
new DicomRTReferencedStudy(DicomRTReferencedStudy.StudyComponentManagementSopClass, firstIdentifier.Study.StudyInstanceUid, new List <DicomRTReferencedSeries>()
{
new DicomRTReferencedSeries(firstIdentifier.Series.SeriesInstanceUid, identifiers.Select(x => DicomRTContourImageItem.Reference(x.Image.SopCommon)).ToList())
})
});
return(frameOfReference);
}
