File size: 1,470 Bytes
9483479 | 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 | 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") |