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Claude
c9421a3f33
A deterministic WebGL film of God's Eye View coming online: a seed on Null Island grows into a culture that draws the planet, indexes the surface tile by tile, ingests the live feeds and outgrows its dish, ending on the logo. Renders 16:9 and 9:16 frame by frame in headless Chromium; the procedural score is locked to the same clock. Data and imagery are fetched by the scripts in tools/ and are not committed. Co-Authored-By: Claude Opus 5.5 <[email protected]> Claude-Session: https://claude.ai/code/session_01KqP857pippaUs6konSDfe8
39 lines
2.1 KiB
Python
39 lines
2.1 KiB
Python
#!/usr/bin/env python3
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"""vessels.json from keyless AIS: Fintraffic Digitraffic (Finland/Baltic) + Kystverket Kystdatahuset realtime (Norway).
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Usage: python3 -I process_vessels.py <raw_dir> <out_dir>"""
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import json, os, sys, time
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RAW, OUT = sys.argv[1], sys.argv[2]
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rows, src = {}, {}
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# Norway (Kystverket) - LineString trails, last coordinate = latest position
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k = json.load(open(os.path.join(RAW, 'kystverket_ais.json')))
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for f in k['features']:
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c, p = f['geometry']['coordinates'], f['properties']
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if not c:
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continue
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lon, lat = c[-1]
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cog = p.get('cog')
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cog = None if cog is None or cog >= 360 else round(cog, 1)
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sog = p.get('speed')
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sog = None if sog is None or sog >= 102.3 else round(sog, 1)
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rows[p['mmsi']] = [round(lon, 4), round(lat, 4), sog, cog, p['mmsi'], (p.get('ship_name') or '').strip() or None]
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src[p['mmsi']] = 'NO'
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# Finland / Baltic (Digitraffic)
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names = {v['mmsi']: (v.get('name') or '').strip() or None for v in json.load(open(os.path.join(RAW, 'digitraffic_vessels.json')))}
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d = json.load(open(os.path.join(RAW, 'dt_ais_from.json')))
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for f in d['features']:
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p = f['properties']
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lon, lat = f['geometry']['coordinates'][:2]
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if p['mmsi'] in rows:
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continue
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cog = p.get('cog'); cog = None if cog is None or cog >= 360 else round(cog, 1)
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sog = p.get('sog'); sog = None if sog is None or sog >= 102.3 else round(sog, 1)
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rows[p['mmsi']] = [round(lon, 4), round(lat, 4), sog, cog, p['mmsi'], names.get(p['mmsi'])]
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src[p['mmsi']] = 'FI'
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out = list(rows.values())
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json.dump({'t': int(time.time()), 'cols': ['lon', 'lat', 'sog_kn', 'cog_deg', 'mmsi', 'name'],
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'coverage': 'Norwegian coast/EEZ (Kystverket) + Finnish waters & Baltic Sea (Fintraffic Digitraffic); not global',
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'counts': {'kystverket_norway': sum(1 for v in src.values() if v == 'NO'), 'digitraffic_finland_baltic': sum(1 for v in src.values() if v == 'FI')},
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'rows': out}, open(os.path.join(OUT, 'vessels.json'), 'w'), separators=(',', ':'), ensure_ascii=False)
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lons = [r[0] for r in out]; lats = [r[1] for r in out]
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print(len(out), 'bbox', min(lons), max(lons), min(lats), max(lats))
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