SeismicX-Cont / scripts /verify_full_dataset.py
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#!/usr/bin/env python3
# -*- coding: utf-8 -*-
"""Quick integrity checks for the full SeismicX-Cont release folder."""
from __future__ import annotations
import argparse
import json
import sqlite3
from pathlib import Path
import h5py
def count_h5_segments(path: Path) -> tuple[int, int, int]:
segments = 0
stations = set()
channels = set()
with h5py.File(path, "r") as h5:
for year_id in h5:
year = h5[year_id]
if not isinstance(year, h5py.Group):
continue
for day_id in year:
day = year[day_id]
if not isinstance(day, h5py.Group) or "stations" not in day:
continue
for station_id, station_grp in day["stations"].items():
stations.add(station_id)
waveform = station_grp.get("waveform")
if waveform is None:
continue
for channel, channel_grp in waveform.items():
if not isinstance(channel_grp, h5py.Group):
continue
channels.add(channel)
segments += sum(1 for key in channel_grp if key.isdigit())
return segments, len(stations), len(channels)
def main() -> None:
parser = argparse.ArgumentParser(description=__doc__)
parser.add_argument("--root", type=Path, default=Path(__file__).resolve().parents[1])
parser.add_argument("--scan-hdf5", action="store_true", help="Open each HDF5 file and count waveform segments.")
args = parser.parse_args()
root = args.root
h5_files = sorted((root / "data" / "hdf5").glob("continuous_waveform_usa_*.h5"))
label_json = root / "data" / "label" / "annotations_for_continuous_hdf5.json"
db_path = root / "data" / "index" / "waveform_index.sqlite"
print(f"HDF5 files: {len(h5_files)}")
print(f"HDF5 total size: {sum(p.stat().st_size for p in h5_files) / 1024**3:.2f} GiB")
if args.scan_hdf5:
total_segments = 0
for path in h5_files:
segments, stations, channels = count_h5_segments(path)
total_segments += segments
print(f" {path.name}: segments={segments:,}, stations={stations:,}, channels={channels:,}")
print(f"HDF5 scanned segments: {total_segments:,}")
with label_json.open("r", encoding="utf-8") as f:
labels = json.load(f)
print("Annotation summary:")
print(json.dumps(labels.get("summary", {}), ensure_ascii=False, indent=2))
conn = sqlite3.connect(db_path)
cur = conn.cursor()
n_files = cur.execute("SELECT COUNT(*) FROM hdf5_files").fetchone()[0]
n_segments = cur.execute("SELECT COUNT(*) FROM waveform_segments").fetchone()[0]
n_stations = cur.execute("SELECT COUNT(*) FROM stations").fetchone()[0]
conn.close()
print("SQLite index:")
print(f" files={n_files}, waveform_segments={n_segments:,}, stations={n_stations:,}")
if __name__ == "__main__":
main()