/// <summary>
/// Creates the <see cref="VolumeHeaderData"/> for the builder's source frames.
/// </summary>
/// <returns></returns>
public VolumeHeaderData BuildVolumeHeader()
{
if (_volumeHeaderData != null)
{
return(_volumeHeaderData);
}
PrepareFrames(_frames); // this also sorts the frames into order by slice location
// compute modality LUT parameters normalized for all frames
double normalizedSlope, normalizedIntercept;
var normalizedUnits = _frames[0].Frame.RescaleUnits;
ComputeNormalizedModalityLut(_frames, out normalizedSlope, out normalizedIntercept);
// determine an appropriate pixel padding value
var pixelPaddingValue = ComputePixelPaddingValue(_frames, normalizedSlope, normalizedIntercept);
// get the laterality of the anatomy being constructed
var laterality = _frames[0].Frame.Laterality;
// Construct a model SOP data source based on the first frame's DICOM header
var header = new VolumeHeaderData(_frames.Select(f => (IDicomAttributeProvider)f.Frame).ToList(), VolumeSize, VoxelSpacing, VolumePositionPatient, VolumeOrientationPatient, 16, 16, false, pixelPaddingValue, normalizedSlope, normalizedIntercept, normalizedUnits, laterality);
// determine how the normalized modality LUT affects VOI windows and update the header
VoiWindow.SetWindows(ComputeAggregateNormalizedVoiWindows(_frames, normalizedSlope, normalizedIntercept), header);
return(_volumeHeaderData = header);
}
public CachedVolume(VolumeCache cacheOwner, CacheKey cacheKey, IEnumerable <Frame> frames)
{
_cacheOwner = cacheOwner;
_cacheKey = cacheKey;
_frames = frames.Select(f => f.CreateTransientReference()).ToList();
_volumeHeaderData = Volume.BuildHeader(_frames);
}
/// <summary>
/// Initializes the <see cref="Volume"/>.
/// </summary>
/// <param name="volumeHeaderData"></param>
/// <param name="minVolumeValue"></param>
/// <param name="maxVolumeValue"></param>
internal Volume(VolumeHeaderData volumeHeaderData, int?minVolumeValue, int?maxVolumeValue)
{
Platform.CheckForNullReference(volumeHeaderData, "volumeHeader");
_volumeHeaderData = volumeHeaderData;
_minVolumeValue = minVolumeValue;
_maxVolumeValue = maxVolumeValue;
}
/// <summary>
/// Initializes the <see cref="Volume"/>.
/// </summary>
/// <param name="volumeHeaderData"></param>
/// <param name="minVolumeValue"></param>
/// <param name="maxVolumeValue"></param>
internal Volume(VolumeHeaderData volumeHeaderData, int? minVolumeValue, int? maxVolumeValue)
{
Platform.CheckForNullReference(volumeHeaderData, "volumeHeader");
_volumeHeaderData = volumeHeaderData;
_minVolumeValue = minVolumeValue;
_maxVolumeValue = maxVolumeValue;
}
internal U16Volume(ushort[] array, VolumeHeaderData volumeHeaderData, int?minVolumeValue, int?maxVolumeValue)
: base(volumeHeaderData, minVolumeValue, maxVolumeValue)
{
_array = array;
}
internal S8Volume(sbyte[] array, VolumeHeaderData volumeHeaderData, int?minVolumeValue, int?maxVolumeValue)
: base(volumeHeaderData, minVolumeValue, maxVolumeValue)
{
_array = array;
}
/// <summary>
/// Creates the <see cref="VolumeHeaderData"/> for the builder's source frames.
/// </summary>
/// <returns></returns>
public VolumeHeaderData BuildVolumeHeader()
{
if (_volumeHeaderData != null) return _volumeHeaderData;
PrepareFrames(_frames); // this also sorts the frames into order by slice location
// compute modality LUT parameters normalized for all frames
double normalizedSlope, normalizedIntercept;
var normalizedUnits = _frames[0].Frame.RescaleUnits;
ComputeNormalizedModalityLut(_frames, out normalizedSlope, out normalizedIntercept);
// determine an appropriate pixel padding value
var pixelPaddingValue = ComputePixelPaddingValue(_frames, normalizedSlope, normalizedIntercept);
// get the laterality of the anatomy being constructed
var laterality = _frames[0].Frame.Laterality;
// Construct a model SOP data source based on the first frame's DICOM header
var header = new VolumeHeaderData(_frames.Select(f => (IDicomAttributeProvider) f.Frame).ToList(), VolumeSize, VoxelSpacing, VolumePositionPatient, VolumeOrientationPatient, 16, 16, false, pixelPaddingValue, normalizedSlope, normalizedIntercept, normalizedUnits, laterality);
// determine how the normalized modality LUT affects VOI windows and update the header
VoiWindow.SetWindows(ComputeAggregateNormalizedVoiWindows(_frames, normalizedSlope, normalizedIntercept), header);
return _volumeHeaderData = header;
}
internal U16Volume(ushort[] array, VolumeHeaderData volumeHeaderData, int? minVolumeValue, int? maxVolumeValue)
: base(volumeHeaderData, minVolumeValue, maxVolumeValue)
{
_array = array;
}
public Vector3D RotateToVolumeOrientation(Vector3D patientVector)
{
return(VolumeHeaderData.RotateToVolumeOrientation(patientVector));
}
internal S8Volume(sbyte[] array, VolumeHeaderData volumeHeaderData, int? minVolumeValue, int? maxVolumeValue)
: base(volumeHeaderData, minVolumeValue, maxVolumeValue)
{
_array = array;
}
public Vector3D RotateToPatientOrientation(Vector3D volumeVector)
{
return(VolumeHeaderData.RotateToPatientOrientation(volumeVector));
}
public Matrix RotateToVolumeOrientation(Matrix patientOrientation)
{
return(VolumeHeaderData.RotateToVolumeOrientation(patientOrientation));
}
public Matrix3D RotateToPatientOrientation(Matrix3D volumeOrientation)
{
return(VolumeHeaderData.RotateToPatientOrientation(volumeOrientation));
}
public Vector3D ConvertToVolume(Vector3D patientPosition)
{
return(VolumeHeaderData.ConvertToVolume(patientPosition));
}
public Vector3D ConvertToPatient(Vector3D volumePosition)
{
return(VolumeHeaderData.ConvertToPatient(volumePosition));
}
