BoardID: 31

Channel: 1

Event Number: 3123

Pattern: 0x0000

2627.000000

2627.000000

2626.009033

2629.000000
.
.
.(up to 1024 data)

BoardID: 31

Channel: 1

Event Number: 3124

Pattern: 0x0000

2627.000000

2627.000000

2628.949707

2626.099365
.
.
....(up to 1024 data)
.
..1000 number of events

with open("data.txt") as f:

for i in range(1000):  #I have 1000 number of events
    all_lines = f.readlines()
    def plot_event(start = 4, all_lines= 'all_lines'):
        lines = all_lines[start : 1029 - 4 + start]

        return (plot_event(4*i, all_lines))

    x = np.array(range(1,1025)) #for all the events x has same range
    y2 = float(lines.split()[0])
    y2_=list(y2)
    y22 = [((j / 4096)-0.5) for j in y2_]

fig = plt.figure()
ax = fig.add_subplot(111)
ax.set_xlabel('Time (ns)')
ax.set_ylabel('counts')
ax.plot(x,y22, 'k-', color= 'b', label='data')
fig=plt.gcf()
plt.show()
plt.draw()