def write_well_information_to_las(
logical_file: LogicalFile.LogicalFile,
frame_array: typing.Union[LogPass.FrameArray, None],
frame_slice: typing.Union[Slice.Slice, Slice.Sample],
ostream: typing.TextIO,
) -> None:
"""Writes the well information section.
Reference: ``[LAS2.0 Las2_Update_Feb2017.pdf Section 5.4 ~W (Well Information)]``
"""
# Tuple of (units, value, description)
las_map: typing.Dict[str, UnitValueDescription] = extract_well_information_from_origin(logical_file)
_add_start_stop_step_to_dictionary(logical_file, frame_array, frame_slice, las_map)
eflr: EFLR.ExplicitlyFormattedLogicalRecord
for _lrsh_position, eflr in logical_file.eflrs:
if eflr.set.type in DLIS_TO_WELL_INFORMATION_LAS_EFLR_MAPPING:
bytes_index_map: typing.Dict[bytes, int] = EFLR.reduced_object_map(eflr)
for row_key in DLIS_TO_WELL_INFORMATION_LAS_EFLR_MAPPING[eflr.set.type]:
if row_key in bytes_index_map:
obj = eflr[bytes_index_map[row_key]]
# ORIGIN is only key/value so does not have LONG-NAME
# PARAMETER does have LONG-NAME
units = obj[b'VALUES'].units.decode('ascii')
value = stringify.stringify_object_by_type(obj[b'VALUES'].value).strip()
descr = stringify.stringify_object_by_type(obj[b'LONG-NAME'].value).strip()
# NOTE: Overwriting is possible here.
las_map[row_key.decode('ascii')] = UnitValueDescription(units, value, descr)
table = [
['#MNEM.UNIT', 'DATA', 'DESCRIPTION',],
['#----.----', '----', '-----------',],
]
for k in WELL_INFORMATION_KEYS:
if k in las_map:
row = [f'{k:4}.{las_map[k].unit:4}', f'{las_map[k].value}', f': {las_map[k].description}',]
else:
row = [f'{k:4}.{"":4}', '', ':']
table.append(row)
rows = data_table.format_table(table, pad=' ', left_flush=True)
ostream.write('~Well Information Section\n')
for row in rows:
ostream.write(row)
ostream.write('\n')
def test_ExplicitlyFormattedLogicalRecord_reduced_object_map():
ld = LogicalData(LOGICAL_BYTES_FROM_STANDARD)
eflr = EFLR.ExplicitlyFormattedLogicalRecord(3, ld)
result = EFLR.reduced_object_map(eflr)
# print(result)
assert result == {b'TIME': 0, b'PRESSURE': 1, b'PAD-ARRAY': 2}
