def test_remove_duplicate_points(self):
import point_cloud_utils as pcu
import numpy as np
# v is a nv by 3 NumPy array of vertices
v = pcu.load_mesh_v(
os.path.join(self.test_path, "duplicated_pcloud.ply"))
v2, idx_v_to_v2, idx_v2_to_v = pcu.deduplicate_point_cloud(
v, 1e-11, return_index=True)
self.assertLess(v2.shape[0], v.shape[0])
self.assertTrue(np.all(np.equal(v2[idx_v2_to_v], v)))
self.assertTrue(np.all(np.equal(v[idx_v_to_v2], v2)))
def test_downsample_mesh_voxel_grid(self):
import point_cloud_utils as pcu
import numpy as np
# v is a nv by 3 NumPy array of vertices
v = pcu.load_mesh_v(
os.path.join(self.test_path, "duplicated_pcloud.ply"))
bbmin, bbmax = v.min(0), v.max(0)
bbsize = bbmax - bbmin
vdown, _, _ = pcu.downsample_point_cloud_voxel_grid(bbsize / 128.0, v)
self.assertLess(vdown.shape[0], v.shape[0])