ValueError: Found array with 0 sample(s) (shape=(0, 3)) while a minimum of 1 is required.

[WkangLiu]

Nice work! I've tried to run your method with the provided pretrained models but I got errors.
Do you Know how to solve it?
Traceback (most recent call last):
File "main_ssc_a.py", line 1248, in
main()
File "main_ssc_a.py", line 1244, in main
visualize(opt, config, expr_path)
File "main_ssc_a.py", line 1174, in visualize
visualize_pipeline(D_Seg=D_Seg, D_SSC=D_SSC,
File "main_ssc_a.py", line 1122, in visualize_pipeline
iou_out = evals.scene_save_ssc_a(G_siren, shape_out[0], class_out, raw, label, mask, config, model_dir, indices[0])
File "/home/SISC/evals.py", line 353, in scene_save_ssc_a
convert_sdf_samples_to_ply(
File "/home/SISC/evals.py", line 595, in convert_sdf_samples_to_ply
indexes = k_neigh.kneighbors(mesh_points, return_distance=False).squeeze()
File "/opt/conda/lib/python3.8/site-packages/sklearn/neighbors/_base.py", line 670, in kneighbors
X = check_array(X, accept_sparse='csr')
File "/opt/conda/lib/python3.8/site-packages/sklearn/utils/validation.py", line 63, in inner_f
return f(*args, **kwargs)
File "/opt/conda/lib/python3.8/site-packages/sklearn/utils/validation.py", line 669, in check_array
raise ValueError("Found array with %d sample(s) (shape=%s) while a"
ValueError: Found array with 0 sample(s) (shape=(0, 3)) while a minimum of 1 is required.
Killing subprocess 46136
Traceback (most recent call last):
File "/opt/conda/lib/python3.8/runpy.py", line 194, in _run_module_as_main
return _run_code(code, main_globals, None,
File "/opt/conda/lib/python3.8/runpy.py", line 87, in _run_code
exec(code, run_globals)
File "/opt/conda/lib/python3.8/site-packages/torch/distributed/launch.py", line 340, in
main()
File "/opt/conda/lib/python3.8/site-packages/torch/distributed/launch.py", line 326, in main
sigkill_handler(signal.SIGTERM, None) # not coming back
File "/opt/conda/lib/python3.8/site-packages/torch/distributed/launch.py", line 301, in sigkill_handler
raise subprocess.CalledProcessError(returncode=last_return_code, cmd=cmd)
subprocess.CalledProcessError: Command '['/opt/conda/bin/python', '-u', 'main_ssc_a.py', '--local_rank=0', '--task=visualize', '--experiment_name=test-vis']' returned non-zero exit status 1.

[Philipflyg]

Thanks for your attention.
You can try to add sdf_values = abs(sdf_values) to line 348 in evals.py.

[WkangLiu]

Thank you for your reply, but the problem is not solved, thanks!