Exemple #1
0
        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);
        }
Exemple #2
0
        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);
        }
Exemple #3
0
        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);
        }