Loading...
Searching...
No Matches
animate_100_particles.py
import matplotlib.pyplot as plt
import numpy as np
from matplotlib import animation
from mpl_toolkits.mplot3d import Axes3D
def get_data(files):
res = []
for file in files:
arr = [[], [], []]
with open(file, encoding="utf8") as f:
lines = f.readlines()
for line in lines:
xi, yi, zi = map(float, line.strip().split(","))
arr[0].append(xi)
arr[1].append(yi)
arr[2].append(zi)
res.append(arr)
return np.array(res)
def update(num, lines, arr):
for line, a in zip(lines, arr):
line.set_data(a[:2, num - 1 : num])
line.set_3d_properties(a[2, num])
def animate():
plt.style.use("dark_background")
fig = plt.figure()
ax = fig.add_subplot(projection="3d")
arr = get_data([f"output/simulate_100_particles/particle_{i}_r.txt" for i in range(100)])
arr = arr[:, :, ::10]
N = len(arr[0][0])
lines = [ax.plot(*a[:, 1], "o")[0] for a in arr]
ax.set_title("100 particles inside a Penning trap")
plt.figtext(
0.5,
0.01,
"100 randomly generated particles "
"evolving over a time of 50 microseconds.",
fontsize=12,
horizontalalignment="center",
)
ax.set_xlim3d([-500.0, 500.0])
ax.set_xlabel("X (micrometers)")
ax.set_ylim3d([-500.0, 500.0])
ax.set_ylabel("Y (micrometers)")
ax.set_zlim3d([-500.0, 500.0])
ax.set_zlabel("Z (micrometers)")
ani = animation.FuncAnimation(
fig, update, N, fargs=(lines, arr), interval=1, blit=False
)
# ani.save("../images/100_particles.gif", writer=animation.FFMpegFileWriter(fps=50))
plt.show()
if __name__ == "__main__":
animate()