{
  "sample_id": "sample_000049",
  "rgb_tif_path": "source_assets/routing/000049/input/rgb.tif",
  "rgb_preview_path": "source_assets/routing/000049/input/rgb_preview.png",
  "source": "Sentinel-2 L2A",
  "bands": [
    "B04",
    "B03",
    "B02"
  ],
  "acquisition_dates": [
    "2026-02-22T11:21:09.024000Z",
    "2026-02-22T11:30:01.024000Z",
    "2026-02-22T11:30:01.024000Z",
    "2026-02-22T11:30:01.024000Z",
    "2026-02-22T11:21:09.024000Z",
    "2026-02-22T11:21:09.024000Z",
    "2026-02-22T11:30:01.024000Z",
    "2026-02-22T11:21:09.024000Z",
    "2026-01-18T11:24:11.025000Z",
    "2026-01-18T11:24:11.025000Z",
    "2026-01-18T11:24:11.025000Z",
    "2026-03-04T11:21:09.024000Z"
  ],
  "mosaic_item_ids": [
    "S2B_MSIL2A_20260222T112109_R037_T29SND_20260222T165721",
    "S2A_MSIL2A_20260222T113001_R037_T29SND_20260222T155510",
    "S2A_MSIL2A_20260222T113001_R037_T29SMC_20260222T155510",
    "S2A_MSIL2A_20260222T113001_R037_T29SMD_20260222T155510",
    "S2B_MSIL2A_20260222T112109_R037_T29SMD_20260222T165721",
    "S2B_MSIL2A_20260222T112109_R037_T29SMC_20260222T165721",
    "S2A_MSIL2A_20260222T113001_R037_T29SNC_20260222T155510",
    "S2B_MSIL2A_20260222T112109_R037_T29SNC_20260222T165721",
    "S2C_MSIL2A_20260118T112411_R037_T29SMD_20260118T130309",
    "S2C_MSIL2A_20260118T112411_R037_T29SMC_20260118T130309",
    "S2C_MSIL2A_20260118T112411_R037_T29SNC_20260118T130309",
    "S2B_MSIL2A_20260304T112109_R037_T29SMD_20260304T165437"
  ],
  "cloud_covers": [
    0.000348,
    0.000365,
    0.006097,
    0.006527,
    0.007105,
    0.008951,
    0.009472,
    0.010876,
    2.005707,
    2.082643,
    2.428064,
    6.812417
  ],
  "s2_search_label": "+/-30d_cloud10",
  "s2_valid_fraction": 1.0,
  "rgb_nonblack_fraction": 0.9798,
  "gsd_m": 10,
  "chip_size_px": [
    512,
    512
  ],
  "crs": "EPSG:32629",
  "bounds_projected": [
    502967.1683545075,
    4286829.314716324,
    508087.1683545075,
    4291949.314716324
  ],
  "bounds_wgs84": [
    -8.965863122357375,
    38.73009118770918,
    -8.906898336819479,
    38.776263322784054
  ],
  "center_wgs84": [
    38.75318100061806,
    -8.93639021268221
  ],
  "activation_code": "EMSR864",
  "event_name": "Flood in Portugal and Spain",
  "event_date": "2026-02-06",
  "countries": [
    {
      "name": "Portugal"
    }
  ],
  "product_type": "DEL",
  "product_id": "2347",
  "product_key": "EMSR864_AOI03_DEL_2347",
  "aoi": {
    "name": "Salvaterra de Magos",
    "number": 3
  },
  "start_point": {
    "lat": 38.75771900000001,
    "lon": -8.9374414,
    "node": 4826158177
  },
  "selected_shelter": {
    "name": "assembly_point",
    "confidence": "medium_assembly_point",
    "candidate_id": "C001"
  },
  "network_type": "walk",
  "osm_aoi_buffer_m": 3000,
  "road_buffer_m": 8,
  "flood_risk_buffer_m": 120,
  "walking_speed_kmh": 4.5,
  "k_routes_per_type": 3,
  "routing_ranking_contract": {
    "version": "packaged_composite_edge_cost_v2",
    "risk_score": "length-weighted mean edge flood_risk",
    "fastest_edge_cost": "travel_time_min",
    "safest_edge_cost": "travel_time_min * (1 + 10 * flood_risk)",
    "balanced_edge_cost": "travel_time_min * (1 + 4 * flood_risk)",
    "route_objective": "sum the corresponding edge cost",
    "eligibility": "blocked_edges == 0",
    "tie_break": [
      "eta_min",
      "distance_m",
      "route_id"
    ],
    "graph_search_performed_at_runtime": false,
    "runtime_validation": "recompute metrics and objective from declared candidate geometry and flood-risk road edges"
  }
}