{
    "generated_at": "2026-04-19T13:22:14+00:00",
    "activity_type": "effectue",
    "activity_id": 172,
    "activity_name": "Grande Traversée du Vercors (GTV)",
    "user_id": 1,
    "gpx_path": ".\/data\/1\/gpx_files\/2025-03-30_2131049810_Grande Traversée du Vercors (GTV).gpx",
    "output_svg": ".\/data\/activities\/effectued\/172\/preview_osm.svg",
    "basemap": "osm",
    "basemap_label": "OpenStreetMap",
    "attribution": "© OpenStreetMap contributors",
    "width": 640,
    "height": 360,
    "zoom": 9,
    "points_count": 1430,
    "tile_count": 6,
    "bounds": {
        "min_lat": 44.694132,
        "min_lon": 5.405901,
        "max_lat": 45.197633,
        "max_lon": 5.673534
    },
    "start": {
        "lat": 44.694132,
        "lon": 5.491373
    },
    "end": {
        "lat": 45.197633,
        "lon": 5.673534
    },
    "tile_examples": [
        "https:\/\/b.tile.openstreetmap.org\/9\/262\/183.png",
        "https:\/\/c.tile.openstreetmap.org\/9\/263\/183.png",
        "https:\/\/a.tile.openstreetmap.org\/9\/264\/183.png",
        "https:\/\/c.tile.openstreetmap.org\/9\/262\/184.png",
        "https:\/\/a.tile.openstreetmap.org\/9\/263\/184.png",
        "https:\/\/b.tile.openstreetmap.org\/9\/264\/184.png"
    ]
}