| import os
|
| import torch
|
| import json
|
| import shutil
|
|
|
| def is_connected(graph):
|
|
|
| nodes = list(graph.keys())
|
|
|
|
|
| if not nodes:
|
| return False
|
|
|
|
|
| visited = set()
|
|
|
|
|
| def dfs(node):
|
| visited.add(node)
|
| for neighbor in graph[node]:
|
| if neighbor not in visited:
|
| dfs(neighbor)
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|
|
|
|
| dfs(nodes[0])
|
|
|
|
|
| return len(visited) == len(nodes)
|
|
|
|
|
| folder_path = './dataset/parts_'
|
| if not os.path.exists(folder_path):
|
| os.makedirs(folder_path)
|
| cad_classes = ['building', 'chair', 'fan', 'lamp', 'table', 'tools', 'vehicle']
|
| for cad_class in cad_classes:
|
| folder_name = f'./dataset/assemblies/{cad_class}'
|
| file_list = os.listdir(folder_name)
|
| file_list = sorted(file_list, key=lambda x: int(x.split('_')[1]))
|
| for file_name in file_list:
|
| full_name = os.path.join(folder_name, file_name)
|
| parts_list = os.listdir(full_name)
|
| parts_list = [part for part in parts_list if part.startswith('part')]
|
| parts_list = sorted(parts_list, key=lambda x: int(x.split('_')[1].split('.')[0]))
|
| graph_path = f'{full_name}/processed/data.pt'
|
| if not os.path.exists(graph_path):
|
| with open("./filtered/filtered_assembly.txt", "a") as f:
|
| f.write(f"{full_name}，图为空\n")
|
| print(f"{full_name}被过滤掉，图为空")
|
|
|
| if os.path.exists(full_name):
|
| shutil.rmtree(full_name)
|
| print(f"{full_name} 文件夹已被删除")
|
| continue
|
| data, slices = torch.load(graph_path)
|
| num_nodes = data['x'].size()[0]
|
| if num_nodes > 15:
|
| with open("./filtered/filtered_assembly.txt", "a") as f:
|
| f.write(f"{full_name}，零件数量超过15\n")
|
| print(f"{full_name}被过滤掉，零件数量超过15")
|
|
|
| if os.path.exists(full_name):
|
| shutil.rmtree(full_name)
|
| print(f"{full_name} 文件夹已被删除")
|
| continue
|
| edges = data['edge_index']
|
| if edges.size()[0] != 2:
|
| with open("./filtered/filtered_assembly.txt", "a") as f:
|
| f.write(f"{full_name}，图为空\n")
|
| print(f"{full_name}被过滤掉，图为空")
|
|
|
| if os.path.exists(full_name):
|
| shutil.rmtree(full_name)
|
| print(f"{full_name} 文件夹已被删除")
|
| continue
|
| graph = {i: [] for i in range(num_nodes)}
|
| for i in range(edges.size()[1]):
|
| u, v = edges[0][i].item(), edges[1][i].item()
|
| graph[u].append(v)
|
| if is_connected(graph):
|
| parts_all_list = os.listdir(folder_path)
|
| num_parts_all = len(parts_all_list)
|
| with open(f'{full_name}/original_graph.json', 'w') as f:
|
| json.dump(graph, f)
|
| new_graph = {}
|
| for i in range(len(parts_list)):
|
| renamed_file = os.path.join(full_name, f'parts_{i + num_parts_all + 809}.step')
|
| original_file = os.path.join(full_name, parts_list[i])
|
| os.rename(original_file, renamed_file)
|
| new_file_path = os.path.join(folder_path, os.path.basename(renamed_file))
|
| shutil.copy(renamed_file, new_file_path)
|
| new_graph[f'parts_{i + num_parts_all + 809}'] = [f'parts_{j + num_parts_all + 809}' for j in graph[i]]
|
| with open(f'{full_name}/new_graph.json', 'w') as f:
|
| json.dump(new_graph, f)
|
| else:
|
| with open("./filtered/filtered_assembly.txt", "a") as f:
|
| f.write(f"{full_name}，装配体不连通\n")
|
| print(f"{full_name}被过滤掉，装配体不连通")
|
|
|
| if os.path.exists(full_name):
|
| shutil.rmtree(full_name)
|
| print(f"{full_name} 文件夹已被删除") |
