{
  "generated_at": "2026-09-29T19:58:11Z",
  "generator": "F:/RDB_WORLD/scripts/build_pmtiles.py",
  "data_version": "v1.1",
  "source": "GTAmap v1.1 global geoparquet (gtamap_adm{0,1,2}_{year}.geoparquet)",
  "tile_format": {
    "type": "MVT",
    "compression": "gzip",
    "spec": "PMTiles v3",
    "tile_extent": 4096
  },
  "zoom_range": [
    0,
    8
  ],
  "layers": {
    "adm0": [
      "unit_id",
      "iso3",
      "name",
      "conf_grade",
      "src_name",
      "political_view",
      "disputed"
    ],
    "adm1": [
      "unit_id",
      "iso3",
      "name",
      "conf_grade",
      "political_view",
      "disputed"
    ],
    "adm2": [
      "unit_id",
      "iso3",
      "name",
      "conf_grade",
      "political_view",
      "disputed"
    ]
  },
  "cartographic_standard": {
    "global_basemap": "CN_standard（中国国家制图标准）",
    "per_country_packages": "各国官方口径（未统一改写）",
    "other_disputes": "国际实际控制惯例",
    "note": "political_view / disputed 为制图口径披露字段，见 docs/制图标准与边界政策.md"
  },
  "snapshot_year": 2025,
  "total_size_mb": 240.6,
  "files": [
    {
      "key": "adm0_2000",
      "path": "map/adm0_2000.pmtiles",
      "level": "adm0",
      "year": 2000,
      "continent": null,
      "unit_count": 243,
      "empty_placeholder": false,
      "size_bytes": 22466207,
      "min_zoom": 0,
      "max_zoom": 8,
      "bbox": [
        -180.0,
        -85.0,
        180.0,
        83.658333
      ],
      "tile_type": "MVT",
      "compression": "GZIP",
      "spec_version": 3,
      "name": "adm0_2000"
    },
    {
      "key": "adm0_2010",
      "path": "map/adm0_2010.pmtiles",
      "level": "adm0",
      "year": 2010,
      "continent": null,
      "unit_count": 243,
      "empty_placeholder": false,
      "size_bytes": 22510063,
      "min_zoom": 0,
      "max_zoom": 8,
      "bbox": [
        -180.0,
        -85.0,
        180.0,
        83.658333
      ],
      "tile_type": "MVT",
      "compression": "GZIP",
      "spec_version": 3,
      "name": "adm0_2010"
    },
    {
      "key": "adm0_2020",
      "path": "map/adm0_2020.pmtiles",
      "level": "adm0",
      "year": 2020,
      "continent": null,
      "unit_count": 243,
      "empty_placeholder": false,
      "size_bytes": 22400287,
      "min_zoom": 0,
      "max_zoom": 8,
      "bbox": [
        -180.0,
        -85.0,
        180.0,
        83.658333
      ],
      "tile_type": "MVT",
      "compression": "GZIP",
      "spec_version": 3,
      "name": "adm0_2020"
    },
    {
      "key": "adm0_2025",
      "path": "map/adm0_2025.pmtiles",
      "level": "adm0",
      "year": 2025,
      "continent": null,
      "unit_count": 243,
      "empty_placeholder": false,
      "size_bytes": 4178565,
      "min_zoom": 0,
      "max_zoom": 8,
      "bbox": [
        -180.0,
        -85.0,
        180.0,
        83.537
      ],
      "tile_type": "MVT",
      "compression": "GZIP",
      "spec_version": 3,
      "name": "adm0_2025"
    },
    {
      "key": "adm0_world",
      "path": "map/adm0_world.pmtiles",
      "level": "adm0",
      "year": 2025,
      "unit_count": 243,
      "size_bytes": 4178565,
      "min_zoom": 0,
      "max_zoom": 8,
      "bbox": [
        -180.0,
        -85.0,
        180.0,
        83.537
      ],
      "tile_type": "MVT",
      "compression": "GZIP",
      "spec_version": 3,
      "name": "adm0_2025"
    },
    {
      "key": "adm1_2000",
      "path": "map/adm1_2000.pmtiles",
      "level": "adm1",
      "year": 2000,
      "continent": null,
      "unit_count": 3486,
      "empty_placeholder": false,
      "size_bytes": 8842752,
      "min_zoom": 0,
      "max_zoom": 8,
      "bbox": [
        -180.0,
        -55.9797,
        180.0,
        83.6562
      ],
      "tile_type": "MVT",
      "compression": "GZIP",
      "spec_version": 3,
      "name": "adm1_2000"
    },
    {
      "key": "adm1_2010",
      "path": "map/adm1_2010.pmtiles",
      "level": "adm1",
      "year": 2010,
      "continent": null,
      "unit_count": 3486,
      "empty_placeholder": false,
      "size_bytes": 8939635,
      "min_zoom": 0,
      "max_zoom": 8,
      "bbox": [
        -180.0,
        -55.9797,
        180.0,
        83.6562
      ],
      "tile_type": "MVT",
      "compression": "GZIP",
      "spec_version": 3,
      "name": "adm1_2010"
    },
    {
      "key": "adm1_2020",
      "path": "map/adm1_2020.pmtiles",
      "level": "adm1",
      "year": 2020,
      "continent": null,
      "unit_count": 3476,
      "empty_placeholder": false,
      "size_bytes": 8767703,
      "min_zoom": 0,
      "max_zoom": 8,
      "bbox": [
        -180.0,
        -55.9797,
        180.0,
        83.6562
      ],
      "tile_type": "MVT",
      "compression": "GZIP",
      "spec_version": 3,
      "name": "adm1_2020"
    },
    {
      "key": "adm1_2025",
      "path": "map/adm1_2025.pmtiles",
      "level": "adm1",
      "year": 2025,
      "continent": null,
      "unit_count": 3492,
      "empty_placeholder": false,
      "size_bytes": 13258759,
      "min_zoom": 0,
      "max_zoom": 8,
      "bbox": [
        -180.0,
        -59.4591,
        180.0,
        83.6562
      ],
      "tile_type": "MVT",
      "compression": "GZIP",
      "spec_version": 3,
      "name": "adm1_2025"
    },
    {
      "key": "adm1_world",
      "path": "map/adm1_world.pmtiles",
      "level": "adm1",
      "year": 2025,
      "unit_count": 3492,
      "size_bytes": 13258759,
      "min_zoom": 0,
      "max_zoom": 8,
      "bbox": [
        -180.0,
        -59.4591,
        180.0,
        83.6562
      ],
      "tile_type": "MVT",
      "compression": "GZIP",
      "spec_version": 3,
      "name": "adm1_2025"
    },
    {
      "key": "adm2_2025_africa",
      "path": "map/adm2_2025_africa.pmtiles",
      "level": "adm2",
      "year": 2025,
      "continent": "africa",
      "unit_count": 7281,
      "empty_placeholder": false,
      "size_bytes": 13997359,
      "min_zoom": 0,
      "max_zoom": 8,
      "bbox": [
        -25.361188,
        -40.37133,
        56.294319,
        37.559582
      ],
      "tile_type": "MVT",
      "compression": "GZIP",
      "spec_version": 3,
      "name": "adm2_2025_africa"
    },
    {
      "key": "adm2_2025_asia",
      "path": "map/adm2_2025_asia.pmtiles",
      "level": "adm2",
      "year": 2025,
      "continent": "asia",
      "unit_count": 10906,
      "empty_placeholder": false,
      "size_bytes": 27170422,
      "min_zoom": 0,
      "max_zoom": 8,
      "bbox": [
        25.665449,
        -11.007615,
        153.986673,
        55.44217
      ],
      "tile_type": "MVT",
      "compression": "GZIP",
      "spec_version": 3,
      "name": "adm2_2025_asia"
    },
    {
      "key": "adm2_2025_europe",
      "path": "map/adm2_2025_europe.pmtiles",
      "level": "adm2",
      "year": 2025,
      "continent": "europe",
      "unit_count": 18138,
      "empty_placeholder": false,
      "size_bytes": 24646206,
      "min_zoom": 0,
      "max_zoom": 8,
      "bbox": [
        -180.0,
        -21.389631,
        180.0,
        81.856247
      ],
      "tile_type": "MVT",
      "compression": "GZIP",
      "spec_version": 3,
      "name": "adm2_2025_europe"
    },
    {
      "key": "adm2_2025_north_america",
      "path": "map/adm2_2025_north_america.pmtiles",
      "level": "adm2",
      "year": 2025,
      "continent": "north_america",
      "unit_count": 8415,
      "empty_placeholder": false,
      "size_bytes": 20429080,
      "min_zoom": 0,
      "max_zoom": 8,
      "bbox": [
        -179.231086,
        -14.601813,
        179.859681,
        83.13699
      ],
      "tile_type": "MVT",
      "compression": "GZIP",
      "spec_version": 3,
      "name": "adm2_2025_north_america"
    },
    {
      "key": "adm2_2025_oceania",
      "path": "map/adm2_2025_oceania.pmtiles",
      "level": "adm2",
      "year": 2025,
      "continent": "oceania",
      "unit_count": 1396,
      "empty_placeholder": false,
      "size_bytes": 4190277,
      "min_zoom": 0,
      "max_zoom": 8,
      "bbox": [
        -180.0,
        -47.72402,
        180.0,
        20.553614
      ],
      "tile_type": "MVT",
      "compression": "GZIP",
      "spec_version": 3,
      "name": "adm2_2025_oceania"
    },
    {
      "key": "adm2_2025_other",
      "path": "map/adm2_2025_other.pmtiles",
      "level": "adm2",
      "year": 2025,
      "continent": "other",
      "unit_count": 7,
      "empty_placeholder": false,
      "size_bytes": 37396,
      "min_zoom": 0,
      "max_zoom": 8,
      "bbox": [
        -17.104826,
        20.769789,
        -8.670013,
        27.683097
      ],
      "tile_type": "MVT",
      "compression": "GZIP",
      "spec_version": 3,
      "name": "adm2_2025_other"
    },
    {
      "key": "adm2_2025_south_america",
      "path": "map/adm2_2025_south_america.pmtiles",
      "level": "adm2",
      "year": 2025,
      "continent": "south_america",
      "unit_count": 8932,
      "empty_placeholder": false,
      "size_bytes": 21291204,
      "min_zoom": 0,
      "max_zoom": 8,
      "bbox": [
        -109.454892,
        -85.0,
        -25.0,
        13.394711
      ],
      "tile_type": "MVT",
      "compression": "GZIP",
      "spec_version": 3,
      "name": "adm2_2025_south_america"
    }
  ]
}