41 lines
1.3 KiB
Python
41 lines
1.3 KiB
Python
import numpy as np
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import matplotlib.pyplot as plt
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from mpl_toolkits.mplot3d import Axes3D
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from scipy.spatial.transform import Rotation as R
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# 定义你的坐标系（原点 + 欧拉角，单位为角度）
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frames = [
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{"origin": [0, 0, 0], "euler": [0, 0, 0]},
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{"origin": [2, 2, 2], "euler": [0, 150, 90]},
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{"origin": [3, 3, 3], "euler": [-30, -180, 0]},
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]
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def draw_frame(ax, origin, rot_matrix, length=0.5):
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origin = np.array(origin)
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x_axis = origin + rot_matrix @ np.array([length, 0, 0])
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y_axis = origin + rot_matrix @ np.array([0, length, 0])
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z_axis = origin + rot_matrix @ np.array([0, 0, length])
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ax.quiver(*origin, *(x_axis - origin), color='r')
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ax.quiver(*origin, *(y_axis - origin), color='g')
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ax.quiver(*origin, *(z_axis - origin), color='b')
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fig = plt.figure()
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ax = fig.add_subplot(111, projection='3d')
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ax.set_box_aspect([1,1,1])
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for frame in frames:
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origin = frame["origin"]
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euler_deg = frame["euler"]
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rotation = R.from_euler('xyz', euler_deg, degrees=True)
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rot_matrix = rotation.as_matrix()
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draw_frame(ax, origin, rot_matrix)
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ax.set_xlim(-1, 3)
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ax.set_ylim(-1, 3)
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ax.set_zlim(-1, 3)
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ax.set_xlabel("X")
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ax.set_ylabel("Y")
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ax.set_zlabel("Z")
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plt.title("Multiple 3D Coordinate Frames (Euler Angles)")
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plt.show()
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