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cbe8603 | 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 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 | #!/usr/bin/env python3
# -*- coding: utf-8 -*-
"""
python example_query_waveform.py \
--db data/index/waveform_index.sqlite \
--network BK \
--station CMB \
--starttime 2019-07-01T00:00:00 \
--endtime 2019-07-01T01:00:00
"""
import argparse
import json
import sys
from pathlib import Path
import numpy as np
sys.path.insert(0, str(Path(__file__).resolve().parents[1]))
from utils.waveform_index_api import query_and_merge, save_merged_to_npz
def main():
parser = argparse.ArgumentParser(
description="Example API client for querying and merging waveform data."
)
parser.add_argument(
"--db",
required=True,
help="SQLite waveform index database, e.g. data/index/waveform_index.sqlite",
)
parser.add_argument(
"--network",
default="*",
help='Network code or wildcard, e.g. "BK", "C*", "*".',
)
parser.add_argument(
"--station",
default="*",
help='Station code or wildcard, e.g. "BDM", "BD*", "*".',
)
parser.add_argument(
"--location",
default="*",
help='Location code or wildcard, e.g. "00", "--", "*".',
)
parser.add_argument(
"--channel",
default="*",
help='Channel code or wildcard, e.g. "BHE", "BH*", "*Z", "*".',
)
parser.add_argument(
"--starttime",
required=True,
help="Query start time, e.g. 2019-07-01T00:00:00",
)
parser.add_argument(
"--endtime",
required=True,
help="Query end time, e.g. 2019-07-01T01:00:00",
)
parser.add_argument(
"--fill_value",
type=float,
default=0.0,
help="Fill value for gaps.",
)
parser.add_argument(
"--limit",
type=int,
default=None,
help="Optional limit for matched segments.",
)
parser.add_argument(
"--output_npz",
default=None,
help="Optional output NPZ file.",
)
parser.add_argument(
"--show_segments",
action="store_true",
help="Print segment details.",
)
args = parser.parse_args()
merged, rows = query_and_merge(
db_file=args.db,
network=args.network,
station=args.station,
location=args.location,
channel=args.channel,
starttime=args.starttime,
endtime=args.endtime,
fill_value=args.fill_value,
dtype=np.float32,
limit=args.limit,
)
print("=" * 80)
print("Query")
print("=" * 80)
print(f"network : {args.network}")
print(f"station : {args.station}")
print(f"location : {args.location}")
print(f"channel : {args.channel}")
print(f"starttime : {args.starttime}")
print(f"endtime : {args.endtime}")
print()
print("=" * 80)
print("Matched segments")
print("=" * 80)
print(f"Segment count: {len(rows)}")
if args.show_segments:
for row in rows:
print(
f"{row['network']}.{row['station']}.{row['location']} "
f"{row['channel']} "
f"{row['starttime']} -> {row['endtime']} "
f"sr={row['sampling_rate']} "
f"npts={row['npts']} "
f"path={row['dataset_path']} "
f"h5={row['h5_file']}"
)
print()
print("=" * 80)
print("Merged waveforms")
print("=" * 80)
if len(merged) == 0:
print("No waveform found.")
return
for key, item in merged.items():
print(
f"{key}: "
f"shape={item['data'].shape}, "
f"sr={item['sampling_rate']}, "
f"filled_ratio={item['filled_ratio']:.4f}, "
f"segments={len(item['segments'])}"
)
if args.output_npz:
save_merged_to_npz(merged, args.output_npz)
print()
print(f"[OK] Saved merged waveform NPZ: {args.output_npz}")
if __name__ == "__main__":
main()
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