{
  "id": "japan-chugoku-20m",
  "name": "日本中國（大山、山陰、山陽，20m 等高線）",
  "version": "20261030",
  "search_index_version": "20261030",
  "tile_kind": "vector",
  "format": "pbf",
  "bounds": [
    130.7,
    33.6,
    134.5,
    36.4
  ],
  "minzoom": 6,
  "maxzoom": 13,
  "size_bytes": 164298752,
  "tile_count": 4752,
  "md5": "8bd0a420a014f38cc5c20c3f67f7eedc",
  "sha256": "367abd828845fdc0cc14dffe943cb93338dcc4cde965c3467893e299261279f8",
  "download_url": "https://dev.akifuns.com/static/maps/japan-chugoku-20m-v20261030.mbtiles",
  "checksum_url": "https://dev.akifuns.com/static/maps/japan-chugoku-20m-v20261030.mbtiles.sha256",
  "generated_at": "2026-10-30",
  "generator": "Planetiler",
  "layers": [
    "contour",
    "land",
    "landuse",
    "mountain_poi",
    "place",
    "protected_area",
    "search_poi",
    "trail",
    "transportation",
    "water",
    "waterway"
  ],
  "sources": [
    {
      "name": "OpenStreetMap Taiwan extract",
      "role": "roads, trails, water, places, bilingual searchable POI",
      "license": "ODbL",
      "attribution": "© OpenStreetMap contributors"
    },
    {
      "name": "SRTM Skadi HGT",
      "role": "20m contour generation",
      "license": "public domain / NASA SRTM distribution terms"
    },
    {
      "name": "Natural Earth 10m land polygons",
      "role": "land polygons for ocean/land base rendering",
      "license": "public domain"
    }
  ],
  "processing_summary": "Generated vector MBTiles for Taiwan mountain use with Natural Earth land polygons, OSM-derived layers, bilingual searchable POI, and SRTM-derived contours.",
  "description_zh": "日本中國地方（鳥取、島根、岡山、廣島、山口）的山徑、道路、水系、山峰、山屋、地名與 20m 等高線。日本地圖仍在試作階段，山徑與山屋資料來自 OpenStreetMap，完整度請以實際為準。",
  "description_en": "Trails, roads, waterways, peaks, huts, places and 20m contours for the Chugoku region of Japan (Tottori, Shimane, Okayama, Hiroshima, Yamaguchi). Japan maps are still a pilot; trail and hut data come from OpenStreetMap and may be incomplete.",
  "contour_density_zh": "等高線 20m",
  "contour_density_en": "20m contours",
  "license_notes": [
    "OpenStreetMap data is licensed under ODbL and requires attribution.",
    "Contours are derived from SRTM elevation data.",
    "Natural Earth land polygons are public domain.",
    "Map data may be incomplete, outdated, or inaccurate and is for reference only."
  ],
  "sha256_url": "https://dev.akifuns.com/static/maps/japan-chugoku-20m-v20261030.mbtiles.sha256",
  "manifest_url": "https://dev.akifuns.com/static/maps/manifests/japan-chugoku-20m-v20261030.json"
}