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alisterburt/simulate_tomogram.py

Created March 12, 2025 15:51
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how to simulate tomograms for ayse
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simulate_tomogram.py
import numpy as np
from scipy.spatial.transform import Rotation as R
from torch_fourier_slice import project_3d_to_2d, backproject_2d_to_3d
tilt_angles = np.linspace(-60, 60, 41, endpoint=True)
rotation_matrices = R.from_euler('y', angles=tilt_angles, degrees=True).as_matrix()
volume = simulate_volume()
projections = project_3d_to_2d(volume, rotation_matrices)
simulated_tomogram = backproject_2d_to_3d(projections, rotation_matrices)
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