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5471715 | 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 | import numpy as np
from scipy.ndimage import distance_transform_edt, gaussian_filter, zoom, median_filter
import matplotlib.pyplot as plt
from skimage.measure import marching_cubes
from scipy.ndimage import binary_fill_holes, label
from mpl_toolkits.mplot3d.art3d import Poly3DCollection
from scipy.spatial import Delaunay
from scipy.interpolate import griddata
# import trimesh
def compute_sdf(voxel_matrix):
inside_dist = distance_transform_edt(voxel_matrix)
outside_dist = distance_transform_edt(1 - voxel_matrix)
sdf = outside_dist - inside_dist
# sdf = gaussian_filter(sdf, sigma=3.0)
sdf = sdf / 32.0
sdf = sdf.clip(-0.2, 0.2)
return sdf |