def main():
if len(sys.argv) < 3:
raise RuntimeError("need arguments: tdf_directory output.mzML")
analysis_dir = sys.argv[1]
output_fname = sys.argv[2]
if sys.version_info.major == 2:
analysis_dir = unicode(analysis_dir)
td = timsdata.TimsData(analysis_dir)
conn = td.conn
# Get total frame count:
q = conn.execute("SELECT COUNT(*) FROM Frames")
row = q.fetchone()
N = row[0]
print("Analysis has {0} frames.".format(N))
# Store output
if output_fname.lower().endswith("mzml"):
consumer = pyopenms.PlainMSDataWritingConsumer(output_fname)
# Compress output
try:
opt = consumer.getOptions()
cfg = pyopenms.NumpressConfig()
cfg.estimate_fixed_point = True
cfg.numpressErrorTolerance = -1.0 # skip check, faster
cfg.setCompression("linear");
cfg.linear_fp_mass_acc = -1; # set the desired RT accuracy in seconds
opt.setNumpressConfigurationMassTime(cfg)
cfg = pyopenms.NumpressConfig()
cfg = pyopenms.NumpressConfig()
cfg.estimate_fixed_point = True
cfg.numpressErrorTolerance = -1.0 # skip check, faster
cfg.setCompression("slof");
opt.setNumpressConfigurationIntensity(cfg)
opt.setCompression(True) # zlib compression
consumer.setOptions(opt)
except Exception:
pass
if output_fname.lower().endswith("sqmass"):
consumer = pyopenms.MSDataSqlConsumer(output_fname)
for frame_id in range(N):
store_frame(frame_id+1, td, conn, consumer, compressFrame=True)
e.addSpectrum(s)
if verbose: print "scan ", k
if len(mz) > 0 and verbose:
print " len: ", len(mz), len(intens)
print " at ook0", ook0_axis[k]
print " len: ", mz, intens
for p in s:
print p.getMZ(), p.getIntensity()
# Store file at designated position
pyopenms.MzMLFile().store(filename, e)
td = timsdata.TimsData(analysis_dir)
conn = td.conn
# Get total frame count:
q = conn.execute("SELECT COUNT(*) FROM Frames")
row = q.fetchone()
N = row[0]
print("Analysis has {0} frames.".format(N))
# For testing
## store_frame(10, "/tmp/test2.mzML")
for frame_id in range(N):
store_frame(frame_id+1, "/tmp/test_%s.mzML" % (frame_id+1), q)
def write_mzml(args):
"""
Write mzml file
Read command line arguments and use psims package to format and write mzml
Parameters
----------
args : args manespace object from argspars
Returns
-------
None
"""
mzml_data_struct = process_arg(args)
### Connect to TDF DB
logging.info("transforming TDF to mzML file: {}".format(
mzml_data_struct['input']))
mzml_data_struct['td'] = timsdata.TimsData(mzml_data_struct['input'])
### If DIA method there is no precursor table
if mzml_data_struct['td'].conn.execute(
"SELECT name FROM sqlite_master WHERE type='table' AND name='Precursors'"
).fetchone():
precursor_table_exists = True
else:
precursor_table_exists = False
mzml_data_struct['data_dict'] = get_spectrum_dict(mzml_data_struct,
precursor_table_exists)
logging.info("{} Total Frames.".format(
mzml_data_struct['data_dict']['frame_count']))
logging.info("{} Total Spectra.".format(
mzml_data_struct['data_dict']['total_spectra']))
logging.info("{} MS1 Frames.".format(
mzml_data_struct['data_dict']['ms1_spectra_count']))
logging.info("{} MS2 Merged Scans.".format(
mzml_data_struct['data_dict']['ms2_spectra_count']))
logging.info("writting to mzML file: {}".format(
mzml_data_struct['output']))
mzml_data_struct['writer'] = MzMLWriter(mzml_data_struct['output'])
mzml_data_struct['writer'].begin()
write_header(mzml_data_struct)
# Get Spectra number in specified range
total_spectra_count = get_num_spectra(mzml_data_struct,
precursor_table_exists)
logging.info("Processing {} Spectra.".format(total_spectra_count))
logging.info("Reading, Merging and Formating Frames for mzML")
with mzml_data_struct['writer'].run(
id=1,
instrument_configuration='IC1',
start_time=mzml_data_struct['data_dict']['acq_date_time']):
with mzml_data_struct['writer'].spectrum_list(
count=total_spectra_count):
# Process Frames
mzml_data_struct['scan_loop_time1'] = time.time()
mzml_data_struct['scan_index'] = 1
mzml_data_struct['precursor_frames'] = mzml_data_struct[
'td'].conn.execute(
"SELECT * From Frames where MsMsType=0").fetchall()
# Check upper frame range
if mzml_data_struct['end_frame'] == -1 or mzml_data_struct[
'end_frame'] > mzml_data_struct['data_dict']['frame_count']:
mzml_data_struct['end_frame'] = mzml_data_struct['data_dict'][
'frame_count']
for precursor_frame in mzml_data_struct['precursor_frames']:
# Get Precursor Frame ID
mzml_data_struct['current_precursor'] = {}
mzml_data_struct['current_precursor']['id'] = precursor_frame[
0]
mzml_data_struct['current_precursor'][
'start_time'] = precursor_frame[1] / 60
if mzml_data_struct['current_precursor'][
'id'] < mzml_data_struct[
'start_frame'] or mzml_data_struct[
'current_precursor']['id'] > mzml_data_struct[
'end_frame']:
continue
write_precursor_frame(mzml_data_struct)
logging.debug(mzml_data_struct['scan_index'])
scan_progress(mzml_data_struct)
if precursor_table_exists:
for precursor_data in get_precursor_list(mzml_data_struct):
mzml_data_struct['current_precursor'][
'data'] = precursor_data
write_pasef_msms_spectrum(mzml_data_struct)
scan_progress(mzml_data_struct)
logging.info("Writing final mzML")
mzml_data_struct['writer'].end()
return
def run_timstof_conversion(input, output=''):
global place_high
global precursor_counter
analysis_dir = input
td = timsdata.TimsData(analysis_dir)
conn = td.conn
# create a database connection
#conn = create_connection(analysis_dir)
precursor_map = {}
with conn:
# print("2. Query all tasks")
msms_data = select_all_PasefFrameMsMsInfo(conn)
# print msms_data[0:5]
all_frame = select_all_Frames(conn)
# print all_frame[0:5]
precursor_list = select_all_Precursors(conn)
for row in precursor_list:
parent_id = int(row[-1])
if parent_id not in precursor_map:
precursor_map[parent_id] = []
precursor_map[parent_id].append(row)
all_ms1_frames = [a for a in all_frame if a[4] == '0']
frame_id_ms1_scan_map, ms2_scan_map = build_frame_id_ms1_scan_map(
precursor_map, all_ms1_frames)
#offset_map = build_offset_map(precursor_map, all_ms1_frames)
precursor_array = np.array(
precursor_list
) # 'ID', 'LargestPeakMz', 'AverageMz', 'MonoisotopicMz', 'Charge', 'ScanNumber', 'Intensity', 'Parent'
# frame_parent_dict = msms_frame_parent_dict(all_frame)
# parent_ms2_scan_map = build_frame_id_last_ms2_scan_map(precursor_list)
parent_frame_array = np.array(precursor_array[:, 7])
frame_index_list = []
last_val = 0
for idx, val in enumerate(parent_frame_array):
if val != last_val:
frame_index_list.append(idx)
last_val = val
# frame_index_list.append(idx + 1)
# frame_start_end_dict = {}
#for idx, val in enumerate(frame_index_list[:-1]):
# frame_start_end_dict[parent_frame_array[val]] = (frame_index_list[idx], frame_index_list[idx + 1])
ms2_header = 'H\tExtractor\tTimsTOF_extractor\n' \
'H\tExtractorVersion\t{}\n' \
'H\tPublicationDate\t20-02-2020\n' \
'H\tComments\tTimsTOF_extractor written by Yu Gao, 2018\n' \
'H\tComments\tTimsTOF_extractor modified by Titus Jung, 2019\n' \
'H\tExtractorOptions\tMSn\n' \
'H\tAcquisitionMethod\tData-Dependent\n' \
'H\tInstrumentType\tTIMSTOF\n' \
'H\tDataType\tCentroid\n' \
'H\tScanType\tMS2\n' \
'H\tResolution\n' \
'H\tIsolationWindow\n' \
'H\tFirstScan\t1\n' \
'H\tLastScan\t{}\n' \
'H\tMonoIsotopic PrecMz\tTrue\n'.format(version, len(msms_data))
ms1_header = 'H\tExtractor\tTimsTOF_extractor\n' \
'H\tExtractorVersion\t{}\n' \
'H\tPublicationDate\t20-02-2020\n' \
'H\tComments\tTimsTOF_extractor written by Yu Gao, 2018\n' \
'H\tComments\tTimsTOF_extractor modified by Titus Jung, 2019\n' \
'H\tExtractorOptions\tMSn\n' \
'H\tAcquisitionMethod\tData-Dependent\n' \
'H\tInstrumentType\tTIMSTOF\n' \
'H\tScanType\tMS1\n' .format(version)
ms2_file_name = os.path.basename(analysis_dir).split('.')[0] + '_nopd.ms2'
ms1_file_name = os.path.basename(analysis_dir).split('.')[0] + '_nopd.ms1'
ms1_scan_set = set()
if len(output) > 0:
ms2_file_name = output
ms1_file_name = output.replace('.ms2', '.ms1')
#else:
# os.chdir(sys.argv[2])
if convert_ms2:
with open(ms2_file_name, 'w') as output_file:
output_file.write(ms2_header)
progress = 0
for row in precursor_list:
prc_id, largest_preak_mz, average_mz, monoisotopic_mz, cs, scan_number, intensity, parent = row
prc_id_int = int(prc_id)
if monoisotopic_mz is not None and cs is not None:
prc_mass_mz = float(monoisotopic_mz)
prc_mass = (prc_mass_mz * cs) - (cs - 1) * 1.007276466
mz_int_arr = td.readPasefMsMs([prc_id_int])
parent_index = int(parent)
scan_id = ms2_scan_map[parent_index][prc_id_int]
rt_time = float(all_frame[parent_index][1])
k0 = td.scanNumToOneOverK0(parent_index, [scan_number])
mz_arr = mz_int_arr[prc_id_int][0]
if len(mz_arr) > 0:
output_file.write(
"S\t{0:06d}\t{1:06d}\t{2:.4f}\n".format(
scan_id, scan_id, prc_mass_mz))
output_file.write(
"I\tTIMSTOF_Parent_ID\t{}\n".format(parent))
output_file.write(
"I\tTIMSTOF_Precursor_ID\t{}\n".format(prc_id))
output_file.write(
"I\tRetTime\t{0:.4f}\n".format(rt_time))
output_file.write("I\tIon Mobility\t{0:.4f}\n".format(
k0[0]))
output_file.write("Z\t{1}\t{0:.4f}\n".format(
prc_mass, cs))
int_arr = mz_int_arr[prc_id_int][1]
for j in range(0, len(mz_arr)):
output_file.write("%.4f %.1f \n" %
(mz_arr[j], int_arr[j]))
progress += 1
if progress % 5000 == 0:
print(
"progress ms2: %.1f%%" %
(float(progress) / len(precursor_list) * 100),
time.process_time() - start_time)
if convert_ms1:
with open(ms1_file_name, 'w') as output_file:
output_file.write(ms1_header)
progress = 0
prev_id = 0
#scan_set = set()
prev_scan = 0
precursor_counter = 0
lines = []
for i, frame in enumerate(all_ms1_frames):
id = int(frame[0])
num_scans = int(frame[8])
index_intensity_arr = td.readScans(id, 0, num_scans)
index_intensity_carr = np.concatenate(index_intensity_arr,
axis=1)
mobility_index = [
i for i, row in enumerate(index_intensity_arr)
for j in range(len(row[0]))
]
mass_array = td.indexToMz(id, index_intensity_carr[0])
one_over_k0 = td.scanNumToOneOverK0(id, mobility_index)
voltage = td.scanNumToVoltage(id, mobility_index)
temp = np.array(
list(
zip(mass_array, index_intensity_carr[1], one_over_k0,
voltage)))
mass_intensity = np.around(temp, decimals=4)
sorted_mass_intensity = mass_intensity[
mass_intensity[:, 0].argsort()]
scan_num = frame_id_ms1_scan_map[id]
if len(sorted_mass_intensity) > 0:
rt_time = 0 if i == 0 else all_ms1_frames[i - 1][1]
lines.append("S\t%06d\t%06d\n" % (scan_num, scan_num))
lines.append("I\tTIMSTOF_Frame_id\t{}\n".format(id))
lines.append("I\tRetTime\t%.2f\n" % float(rt_time))
for row in sorted_mass_intensity:
x_str = "%.4f %.1f %.4f \n" % (row[0], row[1], row[-2])
lines.append(x_str)
# output_file.write("S\t%06d\t%06d\n" % (scan_num, scan_num))
# output_file.write("I\tTIMSTOF_Frame_id\t{}\n".format(id))
# output_file.write("I\tRetTime\t%.2f\n" % float(rt_time))
# output_file.writelines("%.4f %.1f %.4f\n" % (row[0], row[1],
# row[-1]) for row in sorted_mass_intensity)
if len(lines) > 1_000_000:
output_file.writelines(lines)
lines = []
progress += 1
if progress % 5000 == 0:
print(
"progress ms1 %.1f%%" %
(float(progress) / len(all_ms1_frames) * 100),
time.process_time() - start_time)
output_file.writelines(lines)
lines = []
conn.close()
