{"schemaVersion":1,"eventId":"sh-niigata-tokamachi-tokamachi-yukimatsuri-hanabi","eventName":"十日町雪まつり虹雪花火","inputsSha256":"8a4c86a47519b72d551db356cc128bc8b013eb5ba73dc66517c7880292ddedce","methodUrl":"https://hanabimieru.com/guide/hanabi-mieru-kyori/#viewing-spots","launchPoint":{"status":"estimated","latitude":37.141971,"longitude":138.752497,"accuracyMeters":450},"launchNote":"打上地点は推定です（ずれの目安は約450m）。距離・方角・判定は、この推定位置をもとにした参考値です。","dataDates":{"placeFetchedAt":"2026-10-17T06:18:52.920670+00:00","placeDataAsOf":"2026-10-16T20:21:21Z","buildingGeneratedAt":"2026-06-07T03:19:28.711Z"},"wording":"見える可能性","caution":"見通しの計算であり、観覧できる場所の指定ではありません。立入禁止の場所や私有地には入らず、通行を妨げないでください。有料席・交通規制・開放時間など、主催者と施設の案内を確認してください。","organizerNote":null,"organizerUrl":null,"eventNote":null,"sources":[{"name":"© OpenStreetMap contributors","url":"https://www.openstreetmap.org/copyright","license":"ODbL-1.0"},{"name":"Geofabrik","url":"https://download.geofabrik.de/asia/japan.html","license":"ODbL-1.0"}],"groups":{"visible":[{"osmId":"way/544408262","name":"にしさん公園","kind":"公園","outcome":"visible","counts":{"points":12,"visible":10,"blocked":2,"unknown":0},"scope":"敷地内の陸上で調べた","latitude":37.14479474371268,"longitude":138.7576556186318,"distanceMeters":554,"direction":"北東","directionsUrl":"https://www.google.com/maps/dir/?api=1&destination=37.144795%2C138.757656&travelmode=walking","sourceUrl":"https://www.openstreetmap.org/way/544408262","points":[{"lat":37.14452334874254,"lng":138.75799369315888,"outcome":"blocked"},{"lat":37.14465904622761,"lng":138.75782465589535,"outcome":"blocked"},{"lat":37.14465904622761,"lng":138.75799369315888,"outcome":"visible"},{"lat":37.14465904622761,"lng":138.75816273042244,"outcome":"visible"},{"lat":37.14479474371268,"lng":138.7576556186318,"outcome":"visible"},{"lat":37.14479474371268,"lng":138.75782465589535,"outcome":"visible"},{"lat":37.14479474371268,"lng":138.75799369315888,"outcome":"visible"},{"lat":37.14479474371268,"lng":138.75816273042244,"outcome":"visible"},{"lat":37.14493044119776,"lng":138.75782465589535,"outcome":"visible"},{"lat":37.14493044119776,"lng":138.75799369315888,"outcome":"visible"},{"lat":37.14493044119776,"lng":138.75816273042244,"outcome":"visible"},{"lat":37.14506613868283,"lng":138.75799369315888,"outcome":"visible"}]},{"osmId":"way/544408261","name":"西本町中央公園","kind":"公園","outcome":"visible","counts":{"points":6,"visible":5,"blocked":1,"unknown":0},"scope":"敷地内の陸上で調べた","latitude":37.14346234874254,"longitude":138.75652725589535,"distanceMeters":394,"direction":"北東","directionsUrl":"https://www.google.com/maps/dir/?api=1&destination=37.143462%2C138.756527&travelmode=walking","sourceUrl":"https://www.openstreetmap.org/way/544408261","points":[{"lat":37.14346234874254,"lng":138.75652725589535,"outcome":"visible"},{"lat":37.14359804622761,"lng":138.7563582186318,"outcome":"blocked"},{"lat":37.14359804622761,"lng":138.75652725589535,"outcome":"visible"},{"lat":37.14359804622761,"lng":138.75669629315888,"outcome":"visible"},{"lat":37.14373374371268,"lng":138.7563582186318,"outcome":"visible"},{"lat":37.14373374371268,"lng":138.75652725589535,"outcome":"visible"}]}],"blocked":[]},"status":"published","reason":null,"buildingData":{"url":"/data/obstructions/sh-niigata-tokamachi-tokamachi-yukimatsuri-hanabi-900m.json","sha256":"8e67363462062a7c5f62bfdba0b6c4f824e89d9454047ed12acadf2015d065cd","radiusMeters":900,"altitudeMeters":200},"placeInputsSha256":"4dcfdaf02af9f9d2020f28733d6811991abc6e8ad443f190a907deaeabed278e","summaryTotals":{"points":72,"visible":55,"blocked":16,"unknown":1},"bySector":[{"direction":"北","points":9,"visible":7,"blocked":2,"unknown":0},{"direction":"北東","points":9,"visible":9,"blocked":0,"unknown":0},{"direction":"東","points":9,"visible":8,"blocked":1,"unknown":0},{"direction":"南東","points":9,"visible":6,"blocked":2,"unknown":1},{"direction":"南","points":9,"visible":5,"blocked":4,"unknown":0},{"direction":"南西","points":9,"visible":7,"blocked":2,"unknown":0},{"direction":"西","points":9,"visible":7,"blocked":2,"unknown":0},{"direction":"北西","points":9,"visible":6,"blocked":3,"unknown":0}],"sampling":{"method":"OSMの敷地形状内の格子点。歩行者用の橋は線上の地点。水面・建物内・立入制限区域を除外。2D地図・大会周辺の集計と同じ建物判定で、多い結果別に集計。敷地全域の保証ではありません。","maxPlacesPerOutcome":8,"minKnownPointsPerPlace":3},"artifactFingerprint":"f4a9bea487ebb72024e9a0f93a62e3974bb33654ce06db3c3240478df5ef1eb7"}
