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import argparse
import sys
import odil
def main():
parser = argparse.ArgumentParser(description="Convert a DICOM file")
parser.add_argument("input")
parser.add_argument("output")
parser.add_argument("--transfer-syntax", "-t", help="Transfer syntax")
parser.add_argument(
"--item-length", "-i", choices=["Explicit", "Undefined"],
default="Explicit", help="Item length encoding")
parser.add_argument(
"--use-group-length", "-g", action="store_true",
help="Include group length tags")
arguments = parser.parse_args()
if arguments.transfer_syntax not in dir(odil.registry):
parser.error("Unknown transfer syntax")
uid = getattr(odil.registry, arguments.transfer_syntax)
if uid not in odil.registry.uids_dictionary:
parser.error("Unknown transfer syntax")
if odil.registry.uids_dictionary[uid].type != "Transfer Syntax":
parser.error("Not a transfer syntax")
arguments.transfer_syntax = uid
arguments.item_length = getattr(
odil.Writer.ItemEncoding, "{}Length".format(arguments.item_length))
convert(**arguments.__dict__)
def convert(input, output, transfer_syntax, item_length, use_group_length):
with odil.open(input) as stream:
header, data_set = odil.Reader.read_file(stream)
to_remove = [
"FileMetaInformationVersion",
"MediaStorageSOPClassUID", "MediaStorageSOPInstanceUID",
"TransferSyntaxUID",
"ImplementationClassUID", "ImplementationVersionName"
]
for name in to_remove:
header.remove(getattr(odil.registry, name))
odil.write(data_set, output, header, transfer_syntax, item_length, use_group_length)
if __name__ == "__main__":
sys.exit(main())
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