xinyun/ComfyUI-Hunyuan3DWrapper
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BPT seed

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Easymode 2025-02-19 18:34:37 +00:00 committed by GitHub
parent 9cd19fd9e0
commit 3b543e82bc
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1 changed files with 7 additions and 3 deletions
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10
hy3dgen/shapegen/bpt/utils.py
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@ -66,20 +66,24 @@ def apply_normalize(mesh):
def sample_pc(trimesh, pc_num, with_normal=False):
mesh = apply_normalize(trimesh)
def sample_pc(mesh, pc_num, with_normal=False, seed=1234):
mesh = apply_normalize(mesh)
if not with_normal:
points, _ = mesh.sample(pc_num, return_index=True)
return points
points, face_idx = mesh.sample(50000, return_index=True)
points, face_idx = trimesh.sample.sample_surface(mesh=mesh, count=50000, seed=seed)
#points, face_idx = mesh.sample(50000, return_index=True)
normals = mesh.face_normals[face_idx]
pc_normal = np.concatenate([points, normals], axis=-1, dtype=np.float16)
# random sample point cloud
np.random.seed(seed)
ind = np.random.choice(pc_normal.shape[0], pc_num, replace=False)
pc_normal = pc_normal[ind]
return pc_normal