tts/plt.py

import matplotlib.pyplot as plt

def plot_data_from_txt(file1, file2):
    with open(file1, 'r') as f1, open(file2, 'r') as f2:
        data1 = [float(line.strip()) for line in f1]
        data2 = [float(line.strip()) for line in f2]

    plt.figure()
    plt.plot(data1, label='Data from file1')
    plt.plot(data2, label='Data from file2')
    plt.xlabel('Index')
    plt.ylabel('Value')
    plt.title('Waveform of Data from Two Files')
    plt.legend()
    plt.show()
    plt.savefig('waveform.png')

# Example usage
plot_data_from_txt('datas_cpp.txt', 'datas_py.txt')