def create_data_element(dicom_dataset):
"""Return a ``gdcm.DataElement`` for the *Pixel Data*.
Parameters
----------
dicom_dataset : dataset.Dataset
The :class:`~pydicom.dataset.Dataset` containing the *Pixel
Data*.
Returns
-------
gdcm.DataElement
The converted *Pixel Data* element.
"""
data_element = gdcm.DataElement(gdcm.Tag(0x7fe0, 0x0010))
if dicom_dataset.file_meta.TransferSyntaxUID.is_compressed:
if getattr(dicom_dataset, 'NumberOfFrames', 1) > 1:
pixel_data_sequence = pydicom.encaps.decode_data_sequence(
dicom_dataset.PixelData)
else:
pixel_data_sequence = [
pydicom.encaps.defragment_data(dicom_dataset.PixelData)
]
fragments = gdcm.SequenceOfFragments.New()
for pixel_data in pixel_data_sequence:
fragment = gdcm.Fragment()
fragment.SetByteStringValue(pixel_data)
fragments.AddFragment(fragment)
data_element.SetValue(fragments.__ref__())
else:
data_element.SetByteStringValue(dicom_dataset.PixelData)
return data_element
def create_data_element(dicom_dataset):
"""Create a gdcm.DataElement containing PixelData from a FileDataset
Parameters
----------
dicom_dataset : FileDataset
Returns
-------
gdcm.DataElement
Converted PixelData element
"""
data_element = gdcm.DataElement(gdcm.Tag(0x7fe0, 0x0010))
if dicom_dataset.file_meta.TransferSyntaxUID.is_compressed:
if getattr(dicom_dataset, 'NumberOfFrames', 1) > 1:
pixel_data_sequence = pydicom.encaps.decode_data_sequence(
dicom_dataset.PixelData)
else:
pixel_data_sequence = [
pydicom.encaps.defragment_data(dicom_dataset.PixelData)
]
fragments = gdcm.SequenceOfFragments.New()
for pixel_data in pixel_data_sequence:
fragment = gdcm.Fragment()
fragment.SetByteStringValue(pixel_data)
fragments.AddFragment(fragment)
data_element.SetValue(fragments.__ref__())
else:
data_element.SetByteStringValue(dicom_dataset.PixelData)
return data_element
def create_data_element(ds: "Dataset") -> "DataElement":
"""Return a ``gdcm.DataElement`` for the *Pixel Data*.
Parameters
----------
ds : dataset.Dataset
The :class:`~pydicom.dataset.Dataset` containing the *Pixel
Data*.
Returns
-------
gdcm.DataElement
The converted *Pixel Data* element.
"""
file_meta: "FileMetaDataset" = ds.file_meta # type: ignore[has-type]
tsyntax = cast(UID, file_meta.TransferSyntaxUID)
data_element = gdcm.DataElement(gdcm.Tag(0x7fe0, 0x0010))
if tsyntax.is_compressed:
if getattr(ds, 'NumberOfFrames', 1) > 1:
pixel_data_sequence = (
pydicom.encaps.decode_data_sequence(ds.PixelData)
)
else:
pixel_data_sequence = [
pydicom.encaps.defragment_data(ds.PixelData)
]
fragments = gdcm.SequenceOfFragments.New()
for pixel_data in pixel_data_sequence:
fragment = gdcm.Fragment()
fragment.SetByteStringValue(pixel_data)
fragments.AddFragment(fragment)
data_element.SetValue(fragments.__ref__())
else:
data_element.SetByteStringValue(ds.PixelData)
return data_element
