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#!/usr/bin/python

import numpy as np
import matplotlib.pyplot as plt

with open("/temp/bsp.txt") as f:
    data = f.read()

data = data.split('\n')

x=[row.split(' ')[0] for row in data]
y=[row.split(' ')[1] for row in data]
z=[row.split(' ')[2] for row in data]

fig = plt.figure()

ax1 = fig.add_subplot(111)

ax1.set_title("Plot title...")    
ax1.set_xlabel('Zeit')
ax1.set_ylabel('Kraft')


ax1.plot(x,y, c='r', label='Diagramm')

leg = ax1.legend()

plt.show()

Code: Alles auswählen

Zeit	Kraft	Dehnung
0,000	-0,000	-0,000
50,000	0,000	0,003
100,000	-0,001	0,004

Code: Alles auswählen

f = open('bsp.txt', 'r')

x = []
y = []
z = []

for line in f:
    line = line.rstrip('\n')
    data = line.split('\t')
    
    try:
        x.append(float(data[0].replace(',','.')))
        y.append(float(data[1].replace(',','.')))
        z.append(float(data[2].replace(',','.')))
    except ValueError:
        print('Keine gültigen Daten')

print(x,y,z)

Code: Alles auswählen

import csv

with open("/temp/bsp.txt") as data_file:
    table = csv.reader(data_file, delimiter='\t')
    data = ((float(col.replace(',', '.')) for col in row) for row in table)
    xs, ys, zs = zip(*data)