import numpy as np
import re
def read_process_OD():
OD = np.zeros([24, 24])
lines=[]
with open('Network_OD.txt','r') as f:
lines=f.readlines()
origin=[]
for line in lines:
if line.startswith('Origin')==True:
pass
else:
origin.append(re.split(pattern=[':;'],string=lines))
#raw text is shown like this: #Origin 1