| import json
|
| from pathlib import Path
|
|
|
|
|
| def read_step_labels(step_path, labels_path):
|
| from OCC.Extend.DataExchange import read_step_file
|
| from OCC.Extend.TopologyUtils import TopologyExplorer
|
|
|
| labels = json.loads(Path(labels_path).read_text(encoding="utf-8"))
|
| shape = read_step_file(str(step_path), as_compound=True, verbosity=False)
|
| topology = TopologyExplorer(shape, ignore_orientation=True)
|
| faces = list(topology.faces())
|
| edges = list(topology.edges())
|
| for kind, primitives in (("face_labels", faces), ("edge_labels", edges)):
|
| values = labels[kind]
|
| if len(values) != len(primitives):
|
| raise ValueError(f"{kind} count disagrees with STEP: {step_path}")
|
| if any(type(value) is not int or value not in (0, 1) for value in values):
|
| raise ValueError(f"Invalid binary values in {kind}")
|
| if not labels["query"] or any(not isinstance(q, str) or not q.strip() for q in labels["query"]):
|
| raise ValueError("Expected nonempty text queries")
|
| return {"shape": shape, "faces": faces, "edges": edges, "labels": labels}
|
|
|
