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4977b39 | 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 | #!/usr/bin/env python3
"""Load and summarize one released OpenLB multigeometry trajectory."""
from __future__ import annotations
import argparse
import json
from pathlib import Path
import h5py
import numpy as np
def main() -> int:
parser = argparse.ArgumentParser()
parser.add_argument("trajectory", type=Path)
parser.add_argument("--frame", type=int, default=0)
args = parser.parse_args()
with h5py.File(args.trajectory, "r") as handle:
uvp = handle["uvp"]
if not 0 <= args.frame < uvp.shape[0]:
raise IndexError(f"frame {args.frame} is outside [0, {uvp.shape[0]})")
frame = np.asarray(uvp[args.frame], dtype=np.float32)
report = {
"file": str(args.trajectory),
"case_id": str(handle.attrs["case_id"]),
"family": str(handle.attrs["geometry_family"]),
"split": str(handle.attrs["split"]),
"uvp_shape": list(uvp.shape),
"points_shape": list(handle["points"].shape),
"cells_shape": list(handle["cells"].shape),
"time_shape": list(handle["time"].shape),
"frame": args.frame,
"frame_finite": bool(np.isfinite(frame).all()),
"frame_channel_min": frame.min(axis=0).tolist(),
"frame_channel_max": frame.max(axis=0).tolist(),
}
print(json.dumps(report, indent=2, sort_keys=True))
return 0
if __name__ == "__main__":
raise SystemExit(main())
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