torus_ephys/ephys_analysis.py

86 lines
2.5 KiB
Python

import numpy as np
import matplotlib.pyplot as plt
import nixio as nix
import glob
import os
from IPython import embed
def stimulus_collector(filename):
try:
stims = []
f = nix.File.open(filename, nix.FileMode.ReadOnly)
b = f.blocks[0]
for g in b.groups:
# embed()
# exit()
stims.append(g.multi_tags[0].name)
except KeyError:
embed()
exit()
return stims
def analyze_sams(filename):
f = nix.File.open(filename, nix.FileMode.ReadOnly)
b = f.blocks[0]
b.metadata.pprint(max_depth=-1) # max_depth=-1: alles rausschreiben
for g in b.groups:
if 'sam' in g.name.lower(): # go through loop, until 'sam' is found
break
# embed()
# exit()
rtag_data = g.tags[0]
rtag_data.metadata.pprint(max_depth=-1)
print(40*'*')
stim_tag = g.multi_tags[0]
stim_type = g.multi_tags[0].name
stim_pos = stim_tag.positions[:] # beginnings of stimulations
stim_extent = stim_tag.extents[:] # duration of stimulations
# for r in rtag_data.references:
# print(r.name, r.type)
voltage_trace = rtag_data.references['V-1']
spike_data = []
for idx in range(len(stim_pos)):
spike_data.append(stim_tag.retrieve_data(idx, 'Spikes-1')[:])
dims = voltage_trace.dimensions[0].axis(len(voltage_trace))
plt.plot(dims[:-1], voltage_trace[:-1])
for i in range(len(stim_pos)):
stim_y = [np.max(voltage_trace)+10, np.max(voltage_trace)+10]
plt.plot([stim_pos[i], stim_pos[i] + stim_extent[i]], stim_y, 'k')
for j in range(len(spike_data)):
for k in range(len(spike_data[j])):
plt.plot(spike_data[j][k], np.max(voltage_trace)+5, 'o', color='k')
plt.xlim([stim_pos[0]-1, stim_extent[-1]+1])
plt.title(filename[-26:-13] + ': ' + stim_type)
# plt.show()
print('saving...')
os.chdir('/home/lisa/Dropbox/Masterarbeit/')
plt.savefig(filename[-26:-13] + ': ' + stim_type + '.png')
plt.close()
# f.close()
# embed()
# exit()
return
if __name__ == '__main__':
data_dir = '/home/lisa/data/'
os.chdir(data_dir)
data_set = glob.glob('2019-*')
for i in range(len(data_set)):
# data_set = '2019-08-22-aa-invivo-1'
print(data_dir + data_set[i] + '/' + data_set[i])
analyze_sams(data_dir + data_set[i] + '/' + data_set[i] + '.nix')
# analyze_sams(data_dir + data_set + '/' + data_set + '.nix')