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31 lines
1003 B
Python
31 lines
1003 B
Python
import csv
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import matplotlib.pyplot as plt
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plusoumoins = 20
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def opencsv(file):
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with open(file, newline='') as csvfile:
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return [row for row in csv.DictReader(csvfile, delimiter=';')]
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data = opencsv('vt-pt4only.txt')
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for i in range (len(data)-plusoumoins):
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accel = (float(data[i+plusoumoins]['vitesse']) - float(data[i-plusoumoins]['vitesse'])) / (float(data[i+plusoumoins]['temps']) - float(data[i-plusoumoins]['temps']))*1000
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print(f'accel {i}:', accel)
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plt.figure(plusoumoins,figsize=[16,9])
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plt.xlim([-1,476])
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plt.ylim([-3, 10])
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plt.xlabel("Numéro de l'image", fontsize = 16)
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plt.ylabel("Accélération (sans unité)", fontsize = 16)
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plt.xticks([0,50,100,150,200,250,300,350,400,450],fontsize = 14)
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plt.yticks([-3,0,10], fontsize = 14)
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plt.plot([i],[accel], marker='o', linestyle='-', color='blue')
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if i == 457-plusoumoins-4:
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print('saving')
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plt.savefig(f'acceleration/accel±{plusoumoins}.png')
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plt.clf |