| import numpy as np |
| import matplotlib.pyplot as plt |
| import os |
|
|
|
|
| def plot_ring_data(file_path="", if_save=True): |
| data_ring0 = np.fromfile(file_path, dtype=np.float64) |
| data_ring0 = data_ring0.reshape(-1, 7) |
| timestamp_path = file_path.replace("ring_0.bin", "timestamp.txt") |
| timestampes = [] |
| with open(timestamp_path, "r", encoding="utf-8") as f: |
| for line in f.readlines(): |
| timestampes.append(float(line.split(" ")[0])) |
| for i in range(len(timestampes)): |
| timestamp = timestampes[i] |
| closet_idx = np.argmin(np.abs(data_ring0[:, -1] - timestamp)) |
| timestampes[i] = closet_idx |
| plt.figure(figsize=(20, 10)) |
| plt.subplot(111) |
| plt.plot(data_ring0[:, 0], label="acc_x") |
| plt.plot(data_ring0[:, 1], label="acc_y") |
| plt.plot(data_ring0[:, 2], label="acc_z") |
| plt.plot(data_ring0[:, 3], label="gyro_x") |
| plt.plot(data_ring0[:, 4], label="gyro_y") |
| plt.plot(data_ring0[:, 5], label="gyro_z") |
| for timestamp in timestampes: |
| plt.axvline(x=timestamp, color="red") |
| plt.legend() |
| plt.title("ring0") |
| if if_save: |
| savepath = file_path.replace(".bin", ".png").replace("./data/", "./images/ring/") |
| if not os.path.exists(os.path.dirname(savepath)): |
| os.makedirs(os.path.dirname(savepath)) |
| plt.savefig(savepath) |
| plt.close() |
| else: |
| plt.show() |
|
|
|
|
| if __name__ == "__main__": |
| plot_ring_data(file_path="./data/user_0/3/0_ring_0.bin") |
