/// <summary>
/// Initialize new instance of <seealso cref="GenericGrayscalePipeline"/> which consist of the following sequence
/// Rescale (Modality) LUT -> VOI LUT -> Output LUT and optionally Invert LUT if specified by grayscale options
/// </summary>
/// <param name="options">Grayscale options to use in the pipeline</param>
public GenericGrayscalePipeline(GrayscaleRenderOptions options)
{
_options = options;
if (options.ModalityLUTSequence != null)
{
_modalityLut = new ModalitySequenceLUT(_options);
}
else if (_options.RescaleSlope != 1.0 || _options.RescaleIntercept != 0.0)
{
_modalityLut = new ModalityRescaleLUT(_options);
}
if (_options.UseVOILUT && options.VOILUTSequence != null)
{
_voiSequenceLut = new VOISequenceLUT(_options);
_voiLut = new VOILinearLUT(GrayscaleRenderOptions.CreateLinearOption(_options.BitDepth, _voiSequenceLut.MinimumOutputValue, _voiSequenceLut.MaximumOutputValue));
}
else
{
_voiLut = VOILUT.Create(_options);
}
_outputLut = new OutputLUT(_options);
if (_options.Invert)
{
_invertLut = new InvertLUT(_outputLut.MinimumOutputValue, _outputLut.MaximumOutputValue);
}
}
/// <summary>
///
/// </summary>
/// <param name="image"></param>
/// <returns></returns>
private static int[] GetIntPixels(DicomImage image)
{
var gro = GrayscaleRenderOptions.FromDataset(image.Dataset);
var voilut = VOILUT.Create(gro);
var ipd = PixelDataFactory.Create(image.PixelData, 0);
int[] outPixelsInt = new int[image.Width * image.Height];
ipd.Render(voilut, outPixelsInt);
return(outPixelsInt);
}
/// <summary>
/// Initialize new instance of <seealso cref="GenericGrayscalePipeline"/> which consist of the following sequence
/// Rescale (Modality) LUT -> VOI LUT -> Output LUT and optionally Invert LUT if specified by grayscale options
/// </summary>
/// <param name="options">Grayscale options to use in the pipeline</param>
public GenericGrayscalePipeline(GrayscaleRenderOptions options)
{
if (options.RescaleSlope != 1.0 || options.RescaleIntercept != 0.0)
{
_rescaleLut = new ModalityLUT(options);
}
_voiLut = VOILUT.Create(options);
_outputLut = new OutputLUT(options.Monochrome1 ? ColorTable.Monochrome1 : ColorTable.Monochrome2);
if (options.Invert)
{
_invertLut = new InvertLUT(_outputLut.MinimumOutputValue, _outputLut.MaximumOutputValue);
}
}
/// <summary>
/// Initialize new instance of <seealso cref="GenericGrayscalePipeline"/> which consist of the following sequence
/// Rescale (Modality) LUT -> VOI LUT -> Output LUT and optionally Invert LUT if specified by grayscale options
/// </summary>
/// <param name="options">Grayscale options to use in the pipeline</param>
public GenericGrayscalePipeline(GrayscaleRenderOptions options)
{
_options = options;
if (_options.RescaleSlope != 1.0 || _options.RescaleIntercept != 0.0)
{
_rescaleLut = new ModalityLUT(_options);
}
_voiLut = VOILUT.Create(_options);
_outputLut = new OutputLUT(_options);
if (_options.Invert)
{
_invertLut = new InvertLUT(_outputLut.MinimumOutputValue, _outputLut.MaximumOutputValue);
}
}
void StoreImage(DicomDataset ds, string modality)
{
DicomImage di = new DicomImage(ds);
// store in cached resource
var idc = new ImageDataContract();
idc.PatientId = ds.Get <string>(DicomTag.PatientID);
if (ds.Contains(DicomTag.PixelSpacing))
{
idc.PixelSpacing = new VoxelSize()
{
X = Convert.ToSingle(ds.Get <double>(DicomTag.PixelSpacing, 0)),
Y = Convert.ToSingle(ds.Get <double>(DicomTag.PixelSpacing, 1)),
};
}
else
{
idc.PixelSpacing = new VoxelSize()
{
X = 1.0f,
Y = 1.0f,
};
}
idc.ImagePosition = new ImagePosition()
{
X = Convert.ToSingle(ds.Get <double>(DicomTag.ImagePositionPatient, 0)),
Y = Convert.ToSingle(ds.Get <double>(DicomTag.ImagePositionPatient, 1)),
Z = Convert.ToSingle(ds.Get <double>(DicomTag.ImagePositionPatient, 2)),
};
idc.ImageOrientation = new ImageOrientation();
idc.ImageOrientation.Row = new DirectionCosine()
{
X = Convert.ToSingle(ds.Get <double>(DicomTag.ImageOrientationPatient, 0)),
Y = Convert.ToSingle(ds.Get <double>(DicomTag.ImageOrientationPatient, 1)),
Z = Convert.ToSingle(ds.Get <double>(DicomTag.ImageOrientationPatient, 2)),
};
idc.ImageOrientation.Column = new DirectionCosine()
{
X = Convert.ToSingle(ds.Get <double>(DicomTag.ImageOrientationPatient, 3)),
Y = Convert.ToSingle(ds.Get <double>(DicomTag.ImageOrientationPatient, 4)),
Z = Convert.ToSingle(ds.Get <double>(DicomTag.ImageOrientationPatient, 5)),
};
idc.Width = di.Width;
idc.Height = di.Height;
idc.Label = string.Format("{0} {1}",
modality,
ds.GetDateTime(DicomTag.SeriesDate, DicomTag.SeriesTime).ToString());
idc.SeriesInstanceUID = ds.Get <string>(DicomTag.SeriesInstanceUID);
// store for association closed event
_seriesInstanceUIDs.Add(idc.SeriesInstanceUID);
string for_uid = ds.Get <string>(DicomTag.FrameOfReferenceUID);
idc.FrameOfReferenceUID = for_uid;
LocalImageResourceManagerClient
cache1 = new LocalImageResourceManagerClient();
idc = cache1.AddImage(idc);
double repoGb = cache1.GetRepositorySizeGB();
cache1.Close();
if (di.PhotometricInterpretation == PhotometricInterpretation.Monochrome1 ||
di.PhotometricInterpretation == PhotometricInterpretation.Monochrome2)
{
var dsForWl = di.Dataset;
if (_firstImageIn.ContainsKey(idc.SeriesInstanceUID))
{
dsForWl = _firstImageIn[idc.SeriesInstanceUID].Dataset;
}
else
{
_firstImageIn.TryAdd(idc.SeriesInstanceUID, di);
}
var gro = GrayscaleRenderOptions.FromDataset(dsForWl);
var voilut = VOILUT.Create(gro);
var ipd = PixelDataFactory.Create(di.PixelData, 0);
int[] outPixelsInt = new int[di.Width * di.Height];
ipd.Render(voilut, outPixelsInt);
ushort[] outPixelsUshort = Array.ConvertAll(outPixelsInt,
new Converter <int, ushort>(inInt => (ushort)(inInt)));
var handle = idc.PixelBuffer.GetHandle();
handle.WriteArray <ushort>(0, outPixelsUshort, 0, outPixelsUshort.Length);
idc.PixelBuffer.ReleaseHandle();
idc.PixelBuffer.CloseMapping();
// publish the image stored message
_endpointInstance.Publish(new ImageStored
{
ImageGuid = idc.ImageId,
RepoGb = repoGb,
});
}
}
