public static DicomDataset CreateRandomInstanceDataset(
string studyInstanceUid = null,
string seriesInstanceUid = null,
string sopInstanceUid = null,
string sopClassUid = null)
{
var ds = new DicomDataset(DicomTransferSyntax.ExplicitVRLittleEndian)
{
{ DicomTag.StudyInstanceUID, studyInstanceUid ?? TestUidGenerator.Generate() },
{ DicomTag.SeriesInstanceUID, seriesInstanceUid ?? TestUidGenerator.Generate() },
{ DicomTag.SOPInstanceUID, sopInstanceUid ?? TestUidGenerator.Generate() },
{ DicomTag.SOPClassUID, sopClassUid ?? TestUidGenerator.Generate() },
{ DicomTag.BitsAllocated, (ushort)8 },
{ DicomTag.PhotometricInterpretation, PhotometricInterpretation.Monochrome2.Value },
{ DicomTag.PatientID, TestUidGenerator.Generate() },
};
return(ds);
}
public static DicomFile GenerateDicomFile(
string studyInstanceUid,
string seriesInstanceUid,
string sopInstanceUid,
string sopClassUid,
int rows,
int cols,
TestFileBitDepth bitDepth,
string transferSyntax,
bool encode,
int frames = 1,
string photometricInterpretation = null)
{
DicomTransferSyntax initialTs = DicomTransferSyntax.ExplicitVRLittleEndian;
if (!encode)
{
initialTs = DicomTransferSyntax.Parse(transferSyntax);
}
var rand = new Random();
var dicomFile = new DicomFile(
new DicomDataset(initialTs)
{
{ DicomTag.StudyInstanceUID, studyInstanceUid ?? TestUidGenerator.Generate() },
{ DicomTag.SeriesInstanceUID, seriesInstanceUid ?? TestUidGenerator.Generate() },
{ DicomTag.SOPInstanceUID, sopInstanceUid ?? TestUidGenerator.Generate() },
{ DicomTag.SOPClassUID, sopClassUid ?? TestUidGenerator.Generate() },
{ DicomTag.Rows, (ushort)rows },
{ DicomTag.Columns, (ushort)cols },
{ DicomTag.PhotometricInterpretation, photometricInterpretation ?? PhotometricInterpretation.Monochrome2.Value },
{ DicomTag.BitsAllocated, (ushort)bitDepth },
{ DicomTag.WindowWidth, ((bitDepth == TestFileBitDepth.EightBit) ? "256" : "65536") },
{ DicomTag.WindowCenter, ((bitDepth == TestFileBitDepth.EightBit) ? "128" : "32768") },
{ DicomTag.AccessionNumber, rand.Next(11111111, 19999999) },
{ DicomTag.PatientID, TestUidGenerator.Generate() },
});
var pixelData = DicomPixelData.Create(dicomFile.Dataset, true);
pixelData.SamplesPerPixel = 1;
pixelData.BitsStored = (ushort)bitDepth;
pixelData.HighBit = (ushort)(bitDepth - 1);
pixelData.PixelRepresentation = PixelRepresentation.Unsigned;
for (int i = 0; i < frames; i++)
{
var buffer = new MemoryByteBuffer(
(bitDepth == TestFileBitDepth.SixteenBit)
? GetBytesFor16BitImage(rows, cols, i)
: GetBytesFor8BitImage(rows, cols, i));
pixelData.AddFrame(buffer);
}
if (encode && transferSyntax != DicomTransferSyntax.ExplicitVRLittleEndian.UID.UID)
{
var transcoder =
new DicomTranscoder(
dicomFile.Dataset.InternalTransferSyntax,
DicomTransferSyntax.Parse(transferSyntax));
dicomFile = transcoder.Transcode(dicomFile);
}
return(dicomFile);
}
public static DicomDataset CreateRandomInstanceDataset(
PatientInstance pI)
{
Random rand = new Random();
var studyTime = DateTime.Parse(pI.PerformedProcedureStepStartDate).AddMinutes(-10);
var dicomTime = studyTime.ToString("HHmmss.fffff");
var procedureTime = DateTime.Parse(pI.PerformedProcedureStepStartDate);
var procedureDate = studyTime.ToString("yyyyMMdd");
var dicomProcedureTime = studyTime.ToString("HHmmss.fffff");
var age = int.Parse(pI.PatientAge);
string dicomAge = null;
if (age > 9)
{
dicomAge = "0" + age.ToString() + "Y";
}
else
{
dicomAge = "00" + age.ToString() + "Y";
}
var occupation = pI.PatientOccupation.Length > 16 ? pI.PatientOccupation.Substring(0, 16) : pI.PatientOccupation;
var laterality = new List <string> {
"R", "L"
};
var physicianName = pI.PhysicianName.Split()[0] + "^" + pI.PhysicianName.Split()[1];
var name = pI.Name.Split()[0] + "^" + pI.Name.Split()[1];
var ds = new DicomDataset(DicomTransferSyntax.ExplicitVRLittleEndian)
{
{ DicomTag.StudyInstanceUID, pI.StudyUid ?? TestUidGenerator.Generate() },
{ DicomTag.SeriesInstanceUID, pI.SeriesUid ?? TestUidGenerator.Generate() },
{ DicomTag.SOPInstanceUID, pI.InstanceUid ?? TestUidGenerator.Generate() },
{ DicomTag.SOPClassUID, TestUidGenerator.Generate() },
{ DicomTag.BitsAllocated, (ushort)8 },
{ DicomTag.PhotometricInterpretation, PhotometricInterpretation.Monochrome2.Value },
{ DicomTag.PatientID, pI.PatientId ?? TestUidGenerator.Generate() },
{ DicomTag.SpecificCharacterSet, "ISO_IR 100" },
{ DicomTag.StudyDate, procedureDate },
{ DicomTag.SeriesDate, procedureDate },
{ DicomTag.StudyTime, dicomTime },
{ DicomTag.SeriesTime, dicomTime },
{ DicomTag.AccessionNumber, pI.AccessionNumber },
{ DicomTag.InstanceAvailability, "ONLINE" },
{ DicomTag.Modality, pI.Modality },
{ DicomTag.StudyDescription, pI.StudyDescription },
{ DicomTag.SeriesDescription, pI.StudyDescription },
{ DicomTag.NameOfPhysiciansReadingStudy, physicianName },
{ DicomTag.ReferringPhysicianName, physicianName },
{ DicomTag.PatientName, name },
{ DicomTag.PatientBirthDate, pI.PatientBirthDate },
{ DicomTag.PatientSex, pI.PatientSex },
{ DicomTag.PatientAge, dicomAge },
{ DicomTag.PatientWeight, pI.PatientWeight },
{ DicomTag.Occupation, occupation },
{ DicomTag.StudyID, rand.Next(10000000, 100000000).ToString() },
{ DicomTag.SeriesNumber, pI.SeriesIndex },
{ DicomTag.InstanceNumber, pI.InstanceIndex },
{ DicomTag.Laterality, laterality.RandomElement() },
{ DicomTag.PerformedProcedureStepStartDate, procedureDate },
{ DicomTag.PerformedProcedureStepStartTime, dicomProcedureTime },
};
return(ds);
}
