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 DicomDataset CreateRandomInstanceDataset(
string studyInstanceUid = null,
string seriesInstanceUid = null,
string sopInstanceUid = null,
string sopClassUid = null,
bool validateItems = true)
{
var ds = new DicomDataset(DicomTransferSyntax.ExplicitVRLittleEndian);
if (!validateItems)
{
ds = ds.NotValidated();
}
ds.Add(DicomTag.StudyInstanceUID, studyInstanceUid ?? TestUidGenerator.Generate());
ds.Add(DicomTag.SeriesInstanceUID, seriesInstanceUid ?? TestUidGenerator.Generate());
ds.Add(DicomTag.SOPInstanceUID, sopInstanceUid ?? TestUidGenerator.Generate());
ds.Add(DicomTag.SOPClassUID, sopClassUid ?? TestUidGenerator.Generate());
ds.Add(DicomTag.BitsAllocated, (ushort)8);
ds.Add(DicomTag.PhotometricInterpretation, PhotometricInterpretation.Monochrome2.Value);
ds.Add(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)
{
var initialTs = DicomTransferSyntax.ExplicitVRLittleEndian;
if (!encode)
{
initialTs = DicomTransferSyntax.Parse(transferSyntax);
}
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.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);
}