mirror of
https://github.com/gadgethd/ukmesh.git
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BenandClaude Opus 4.6
7994e13175
Backend: derive observer IATA from packet topic instead of node table, send messages separately in WS initial state, add tiered prefix/edge priors to lazy path resolver for more accurate hash disambiguation. Frontend: add SeoHead, JsonLd, and vite-seo plugin for per-route meta tags and structured data. Add earth-curvature correction to custom LOS tool. Owner portal last-hop chart supports hiding/showing individual series with cookie persistence. Feed page and path map refactored. Cache-busting build filenames. Track firstSeenTs on aggregated packets. Infra: serve robots.txt and sitemap.xml via nginx, add manifest.json, reduce Mosquitto log verbosity. Viewshed worker supports per-node antenna heights, configurable profile step, and SNR-median calibration. Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
85 lines
2.9 KiB
Python
85 lines
2.9 KiB
Python
#!/usr/bin/env python3
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"""
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One-time backfill: compute terrain_profile_json for all node_links that are
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missing it but already have itm_path_loss_db computed.
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"""
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import json
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import logging
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import os
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import sys
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import tempfile
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from pathlib import Path
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import psycopg2
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# Add the worker source to path
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sys.path.insert(0, os.path.dirname(__file__))
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from rf.terrain import build_link_vrt, sample_elevation
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from rf.loss import compute_path_loss
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logging.basicConfig(level=logging.INFO, format='[%(asctime)s] %(levelname)s %(message)s',
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datefmt='%H:%M:%S')
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log = logging.getLogger(__name__)
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DB_URL = os.environ.get('DATABASE_URL', 'postgresql://meshcore:meshcore@timescaledb:5432/meshcore')
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SRTM_DIR = Path(os.environ.get('SRTM_DIR', '/data/srtm'))
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def main():
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db = psycopg2.connect(DB_URL)
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db.autocommit = False
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with db.cursor() as cur:
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cur.execute('''
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SELECT
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nl.node_a_id, nl.node_b_id,
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na.lat AS lat_a, na.lon AS lon_a, na.elevation_m AS elev_a,
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nb.lat AS lat_b, nb.lon AS lon_b, nb.elevation_m AS elev_b
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FROM node_links nl
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JOIN nodes na ON na.node_id = nl.node_a_id
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JOIN nodes nb ON nb.node_id = nl.node_b_id
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WHERE nl.terrain_profile_json IS NULL
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AND nl.itm_computed_at IS NOT NULL
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AND na.lat IS NOT NULL AND na.lon IS NOT NULL
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AND nb.lat IS NOT NULL AND nb.lon IS NOT NULL
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''')
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rows = cur.fetchall()
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log.info(f'Found {len(rows)} links needing terrain profile backfill')
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ok = 0
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skip = 0
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for i, (a_id, b_id, lat_a, lon_a, elev_a, lat_b, lon_b, elev_b) in enumerate(rows):
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if i % 50 == 0:
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log.info(f'Progress: {i}/{len(rows)} (ok={ok}, skip={skip})')
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try:
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with tempfile.TemporaryDirectory() as tmp:
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vrt = build_link_vrt(lat_a, lon_a, lat_b, lon_b, tmp, SRTM_DIR)
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if not vrt:
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skip += 1
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continue
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ea = elev_a if elev_a is not None else sample_elevation(vrt, lat_a, lon_a)
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eb = elev_b if elev_b is not None else sample_elevation(vrt, lat_b, lon_b)
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_, _, profile = compute_path_loss(lat_a, lon_a, ea, lat_b, lon_b, eb, vrt)
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if not profile:
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skip += 1
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continue
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with db.cursor() as cur:
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cur.execute(
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'UPDATE node_links SET terrain_profile_json = %s WHERE node_a_id = %s AND node_b_id = %s',
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(json.dumps(profile), a_id, b_id),
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)
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db.commit()
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ok += 1
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except Exception as exc:
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db.rollback()
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log.warning(f'Failed {a_id[:8]}↔{b_id[:8]}: {exc}')
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skip += 1
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log.info(f'Done. ok={ok}, skip={skip}')
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db.close()
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if __name__ == '__main__':
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main()
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