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Running
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Zero
File size: 3,534 Bytes
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import os
import sys
sys.path.append(os.path.join(os.path.dirname(__file__), '..', '..'))
import json
import argparse
import numpy as np
from retrieval.obj_retrieval import find_obj_candidates, pick_and_rescale_parts
import trimesh
import shutil
def _retrieve_part_meshes(info_dict, save_dir, gt_data_root):
mesh_save_dir = os.path.join(save_dir, "plys")
obj_save_dir = os.path.join(save_dir, "objs")
os.makedirs(mesh_save_dir, exist_ok=True)
os.makedirs(obj_save_dir, exist_ok=True)
print(save_dir)
if os.path.exists(os.path.join(save_dir, "object.ply")):
return
HASHBOOK_PATH = "retrieval/retrieval_hash_no_handles.json"
obj_candidates = find_obj_candidates(
info_dict,
gt_data_root,
HASHBOOK_PATH,
gt_file_name="object.json",
num_states=5,
metric_num_samples=4096,
keep_top=3,
)
retrieved_mesh_specs = pick_and_rescale_parts(
info_dict, obj_candidates, gt_data_root, gt_file_name="object.json"
)
scene = trimesh.Scene()
for i, mesh_spec in enumerate(retrieved_mesh_specs):
part_spec = info_dict["diffuse_tree"][i]
current_part_meshes = []
file_paths = []
for file in mesh_spec["files"]:
file = os.path.join(mesh_spec["dir"], file).replace("ply", "obj")
file_paths.append(file)
m = trimesh.load(file, force="mesh")
current_part_meshes.append(m)
if not current_part_meshes:
continue
bounds = np.array([m.bounds for m in current_part_meshes])
min_extents = bounds[:, 0, :].min(axis=0)
max_extents = bounds[:, 1, :].max(axis=0)
group_centroid = (min_extents + max_extents) / 2.0
transformation = trimesh.transformations.compose_matrix(
scale=mesh_spec["scale_factor"],
angles=[0, 0, np.radians(90) if mesh_spec["z_rotate_90"] else 0],
translate=part_spec["aabb"]["center"],
)
part_scene = trimesh.Scene()
for mesh in current_part_meshes:
mesh.vertices -= group_centroid
mesh.apply_transform(transformation)
part_scene.add_geometry(mesh)
scene.add_geometry(mesh)
obj_path = os.path.join(obj_save_dir, f"part_{i}/part_{i}.obj")
os.makedirs(os.path.dirname(obj_path), exist_ok=True)
part_scene.export(obj_path, include_texture=True)
info_dict["diffuse_tree"][i]["objs"] = [f"objs/part_{i}/part_{i}.obj"]
scene.export(os.path.join(save_dir, "object.ply"))
del mesh, scene
return info_dict
def main(args):
with open(os.path.join(args.src_dir, args.json_name), "r") as f:
info_dict = json.load(f)
if 'meta' not in info_dict.keys():
info_dict['meta'] = {
'obj_cat': 'StroageFurniture'
}
updated_json = _retrieve_part_meshes(info_dict, args.src_dir, args.gt_data_root)
if updated_json is not None:
with open(os.path.join(args.src_dir, args.json_name), "w") as f:
json.dump(updated_json, f)
if __name__ == '__main__':
parser = argparse.ArgumentParser()
parser.add_argument('--src_dir', type=str, required=True, help='path to the directory containing object.json')
parser.add_argument('--json_name', type=str, default='object.json', help='name of the json file')
parser.add_argument('--gt_data_root', type=str, default='./', help='path to the ground truth data')
args = parser.parse_args()
main(args)
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