{
 "ocl_version": "0.1.0",
 "name": "Route des Fleurs",
 "slug": "route-des-fleurs",
 "confidence": "B",
 "reported_claims": [],
 "ladder": [
  {
   "window_m": 2.0,
   "max_gradient_pct": 40.83607273075529,
   "diagnostic": true,
   "flags": [],
   "start_distance_m": 158.0,
   "end_distance_m": 160.0,
   "start_elevation_m": 351.74539124023767,
   "end_elevation_m": 352.5621126948528,
   "min_gradient_pct": -5.529868647590774
  },
  {
   "window_m": 3.0,
   "max_gradient_pct": 38.53563430341941,
   "diagnostic": true,
   "flags": [],
   "start_distance_m": 157.0,
   "end_distance_m": 160.0,
   "start_elevation_m": 351.4060436657502,
   "end_elevation_m": 352.5621126948528,
   "min_gradient_pct": -4.302608634647716
  },
  {
   "window_m": 5.0,
   "max_gradient_pct": 34.06520910739687,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 156.0,
   "end_distance_m": 161.0,
   "start_elevation_m": 351.14041397241584,
   "end_elevation_m": 352.8436744277857,
   "min_gradient_pct": -1.9470361482558474
  },
  {
   "window_m": 10.0,
   "max_gradient_pct": 29.74479150259583,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 157.0,
   "end_distance_m": 167.0,
   "start_elevation_m": 351.4060436657502,
   "end_elevation_m": 354.3805228160098,
   "min_gradient_pct": 0.1669255878380227
  },
  {
   "window_m": 20.0,
   "max_gradient_pct": 27.075745651918908,
   "diagnostic": false,
   "flags": [
    "canopy_or_structure"
   ],
   "start_distance_m": 147.0,
   "end_distance_m": 167.0,
   "start_elevation_m": 348.965373685626,
   "end_elevation_m": 354.3805228160098,
   "min_gradient_pct": 0.3945800383792175
  },
  {
   "window_m": 25.0,
   "max_gradient_pct": 26.01779438128301,
   "diagnostic": false,
   "flags": [
    "canopy_or_structure"
   ],
   "start_distance_m": 142.0,
   "end_distance_m": 167.0,
   "start_elevation_m": 347.876074220689,
   "end_elevation_m": 354.3805228160098,
   "min_gradient_pct": 0.5094211234429622
  },
  {
   "window_m": 50.0,
   "max_gradient_pct": 22.089457500117533,
   "diagnostic": false,
   "flags": [
    "canopy_or_structure"
   ],
   "start_distance_m": 125.0,
   "end_distance_m": 175.0,
   "start_elevation_m": 344.7498034897812,
   "end_elevation_m": 355.79453223983995,
   "min_gradient_pct": 0.8998185830745342
  },
  {
   "window_m": 100.0,
   "max_gradient_pct": 19.82404287374328,
   "diagnostic": false,
   "flags": [
    "canopy_or_structure"
   ],
   "start_distance_m": 67.0,
   "end_distance_m": 167.0,
   "start_elevation_m": 334.5564799422665,
   "end_elevation_m": 354.3805228160098,
   "min_gradient_pct": 1.81090630383585
  }
 ],
 "shape": {
  "ascent_concentration": 0.444,
  "concentration_window_frac": 0.25,
  "longest_pitch_10pct_m": 276.0,
  "shape_class": "sustained"
 },
 "length_m": 657.7437685413638,
 "start_elevation_m": 322.6719439364173,
 "end_elevation_m": 393.86324743017445,
 "endpoint_gain_m": 71.19130349375718,
 "overall_gradient_pct": 10.8235618334528,
 "accumulated_ascent_m": 71.57862683394802,
 "window_maxima": {
  "max_5m": {
   "gradient_pct": 34.06520910739687,
   "start_distance_m": 156.0,
   "end_distance_m": 161.0,
   "midpoint_distance_m": 158.5,
   "start_elevation_m": 351.14041397241584,
   "end_elevation_m": 352.8436744277857,
   "start_xy": [
    539668.0532829321,
    6224625.180091378
   ],
   "end_xy": [
    539668.8517349282,
    6224630.014757639
   ]
  },
  "max_10m": {
   "gradient_pct": 29.74479150259583,
   "start_distance_m": 157.0,
   "end_distance_m": 167.0,
   "midpoint_distance_m": 162.0,
   "start_elevation_m": 351.4060436657502,
   "end_elevation_m": 354.3805228160098,
   "start_xy": [
    539667.9271414191,
    6224626.123083597
   ],
   "end_xy": [
    539670.238625192,
    6224635.8522687005
   ]
  },
  "max_20m": {
   "gradient_pct": 27.075745651918908,
   "start_distance_m": 147.0,
   "end_distance_m": 167.0,
   "midpoint_distance_m": 157.0,
   "start_elevation_m": 348.965373685626,
   "end_elevation_m": 354.3805228160098,
   "start_xy": [
    539671.561247693,
    6224616.891895964
   ],
   "end_xy": [
    539670.238625192,
    6224635.8522687005
   ]
  },
  "max_25m": {
   "gradient_pct": 26.01779438128301,
   "start_distance_m": 142.0,
   "end_distance_m": 167.0,
   "midpoint_distance_m": 154.5,
   "start_elevation_m": 347.876074220689,
   "end_elevation_m": 354.3805228160098,
   "start_xy": [
    539673.5101170046,
    6224612.287342955
   ],
   "end_xy": [
    539670.238625192,
    6224635.8522687005
   ]
  },
  "max_50m": {
   "gradient_pct": 22.089457500117533,
   "start_distance_m": 125.0,
   "end_distance_m": 175.0,
   "midpoint_distance_m": 150.0,
   "start_elevation_m": 344.7498034897812,
   "end_elevation_m": 355.79453223983995,
   "start_xy": [
    539680.136272664,
    6224596.631862727
   ],
   "end_xy": [
    539672.0878122103,
    6224643.635616783
   ]
  },
  "max_100m": {
   "gradient_pct": 19.82404287374328,
   "start_distance_m": 67.0,
   "end_distance_m": 167.0,
   "midpoint_distance_m": 117.0,
   "start_elevation_m": 334.5564799422665,
   "end_elevation_m": 354.3805228160098,
   "start_xy": [
    539689.8921497103,
    6224539.719053662
   ],
   "end_xy": [
    539670.238625192,
    6224635.8522687005
   ]
  }
 },
 "window_minima": {
  "min_5m": {
   "gradient_pct": -1.9470361482558474,
   "start_distance_m": 437.0,
   "end_distance_m": 442.0,
   "midpoint_distance_m": 439.5,
   "start_elevation_m": 387.01312881121305,
   "end_elevation_m": 386.91577700380026,
   "start_xy": [
    539825.0429064109,
    6224853.932064457
   ],
   "end_xy": [
    539828.861331813,
    6224857.042111468
   ]
  },
  "min_10m": {
   "gradient_pct": 0.1669255878380227,
   "start_distance_m": 592.0,
   "end_distance_m": 602.0,
   "midpoint_distance_m": 597.0,
   "start_elevation_m": 392.42165400924745,
   "end_elevation_m": 392.43834656803125,
   "start_xy": [
    539962.4724365127,
    6224924.159867201
   ],
   "end_xy": [
    539971.9131127722,
    6224927.457386233
   ]
  },
  "min_20m": {
   "gradient_pct": 0.3945800383792175,
   "start_distance_m": 591.0,
   "end_distance_m": 611.0,
   "midpoint_distance_m": 601.0,
   "start_elevation_m": 392.4319746854925,
   "end_elevation_m": 392.51089069316834,
   "start_xy": [
    539961.5283688868,
    6224923.830115298
   ],
   "end_xy": [
    539980.4097214056,
    6224930.425153362
   ]
  },
  "min_25m": {
   "gradient_pct": 0.5094211234429622,
   "start_distance_m": 585.0,
   "end_distance_m": 610.0,
   "midpoint_distance_m": 597.5,
   "start_elevation_m": 392.3678408490272,
   "end_elevation_m": 392.4951961298879,
   "start_xy": [
    539955.8639631312,
    6224921.851603879
   ],
   "end_xy": [
    539979.4656537797,
    6224930.095401458
   ]
  },
  "min_50m": {
   "gradient_pct": 0.8998185830745342,
   "start_distance_m": 557.0,
   "end_distance_m": 607.0,
   "midpoint_distance_m": 582.0,
   "start_elevation_m": 392.03370664710576,
   "end_elevation_m": 392.483615938643,
   "start_xy": [
    539929.4300696048,
    6224912.618550589
   ],
   "end_xy": [
    539976.6334509018,
    6224929.106145749
   ]
  },
  "min_100m": {
   "gradient_pct": 1.81090630383585,
   "start_distance_m": 557.0,
   "end_distance_m": 657.0,
   "midpoint_distance_m": 607.0,
   "start_elevation_m": 392.03370664710576,
   "end_elevation_m": 393.8446129509416,
   "start_xy": [
    539929.4300696048,
    6224912.618550589
   ],
   "end_xy": [
    540023.8368321989,
    6224945.5937409075
   ]
  }
 },
 "diagnostic_window_maxima": {
  "max_2m": {
   "gradient_pct": 40.83607273075529,
   "start_distance_m": 158.0,
   "end_distance_m": 160.0,
   "midpoint_distance_m": 159.0,
   "start_elevation_m": 351.74539124023767,
   "end_elevation_m": 352.5621126948528,
   "start_xy": [
    539668.1582897964,
    6224627.0960021075
   ],
   "end_xy": [
    539668.6205865509,
    6224629.041839128
   ]
  },
  "max_3m": {
   "gradient_pct": 38.53563430341941,
   "start_distance_m": 157.0,
   "end_distance_m": 160.0,
   "midpoint_distance_m": 158.5,
   "start_elevation_m": 351.4060436657502,
   "end_elevation_m": 352.5621126948528,
   "start_xy": [
    539667.9271414191,
    6224626.123083597
   ],
   "end_xy": [
    539668.6205865509,
    6224629.041839128
   ]
  }
 },
 "diagnostic_note": "Windows <=3 m are at raster-noise scale (1-sigma raster noise alone is roughly +/-7 pp at 2 m and +/-5 pp at 3 m on a 1 m DTM). Diagnostic use only: never a headline or ranking value.",
 "quality_summary": {
  "overhead_obstruction": {
   "obstruction_threshold_m": 2.0,
   "obstructed_fraction": 0.117,
   "obstruction_max_height_m": 19.79,
   "flagged_windows_m": [
    20,
    25,
    50,
    100
   ]
  },
  "review": [],
  "extent": [
   "may_start_earlier"
  ]
 },
 "provenance": {
  "analysis_version": "0.1.0",
  "run_manifest": {
   "manifest_version": "1",
   "code_git_sha": "06fa4c370391597f015858e97dcf01ca2f5b3640",
   "code_git_dirty": "false",
   "analysis_version": "0.1.0",
   "analysis_config_digest": "sha256:0048c2bbb24ab95e",
   "python": "3.14.4",
   "numpy": "2.5.3",
   "rasterio": "1.5.1",
   "pyproj": "3.8.0",
   "laspy": "2.7.0",
   "shapely": "2.1.2",
   "pyosmium": "4.3.1",
   "libosmium": "2.23.1",
   "gdal": "3.12.4",
   "proj": "9.8.1",
   "run_id": "fr-pyr3",
   "road_pbf": "block-batch-fr-pyr3.osm.pbf",
   "region_key": "france",
   "crs": "EPSG:2154",
   "elevation_provider_key": "ign-lidarhd",
   "tile_index": "wms-grid",
   "authority": "bdtopo",
   "registry_pbf": "france-vosges-2026-09-16.osm.pbf",
   "tile_index_snapshot": "sha256:79dd257545ed11dc"
  },
  "sample_interval_m": 1.0,
  "interpolation": "bilinear",
  "smoothing": "none",
  "gradient_windows_m": [
   5.0,
   10.0,
   20.0,
   25.0,
   50.0,
   100.0
  ],
  "diagnostic_windows_m": [
   2.0,
   3.0
  ],
  "elevation_crs": "EPSG:2154",
  "elevation_resolution_m": 0.5,
  "elevation_tiles": [
   "data/cache/fr/ign-lidarhd_dtm_E539-N6224_0m5@22LHD1IR-2025-03-20.tif",
   "data/cache/fr/ign-lidarhd_dtm_E540-N6224_0m5@22LHD1IR-2025-03-20.tif"
  ],
  "calculated_at": "2026-09-20T07:59:54+00:00",
  "road_source": "OpenStreetMap (local PBF extract)",
  "road_attribution": "\u00a9 OpenStreetMap contributors, ODbL",
  "osm_pbf_path": "data/cache/pbf/block-batch-fr-pyr3.osm.pbf",
  "osm_snapshot": "",
  "run_id": "fr-pyr3",
  "elevation_provider": "IGN LiDAR HD MNT 0.5 m",
  "elevation_licence": "Licence Ouverte / Open Licence 2.0 (Etalab) \u2014 \u00a9 IGN, LiDAR HD (MNT/MNS), data.geopf.fr; reproduction autoris\u00e9e avec mention de la source et de la date",
  "elevation_dataset": "LiDAR HD \u2014 MNT (sol) et MNS (surface), 0,50 m (Institut national de l'information g\u00e9ographique et foresti\u00e8re), RGF93 / Lambert-93 EPSG:2154, altitudes IGN69",
  "elevation_vertical_datum": "IGN69",
  "elevation_tile_ids": [
   "E539-N6224",
   "E540-N6224"
  ],
  "elevation_blocks": [
   "22LHD1IR@2025-03-20"
  ],
  "ign_dalles": [
   "LHD_FXX_0539_6225_MNT_O_0M50_LAMB93_IGN69",
   "LHD_FXX_0540_6225_MNT_O_0M50_LAMB93_IGN69"
  ],
  "ign_missions": [
   "22LHD1IR"
  ],
  "ign_editions": [
   "2025-03-20"
  ],
  "ign_dsm_edition": {
   "LHD_FXX_0539_6225_MNT_O_0M50_LAMB93_IGN69": "2025-03-20",
   "LHD_FXX_0540_6225_MNT_O_0M50_LAMB93_IGN69": "2025-03-20"
  },
  "climb_origin": "discovered",
  "structure_own_ways": 1,
  "carriageway": {
   "stations": 33,
   "stations_resolved": 33,
   "width_median_m": 4.5,
   "width_p10_m": 2.05,
   "width_min_m": 1.25,
   "width_max_m": 10.0,
   "bounded_share": 0.242,
   "unbounded_share": 0.758,
   "confidence_median": 0.0,
   "width_median_bounded_m": 2.62,
   "window_m": [
    142.0,
    167.0
   ],
   "width_at_max25_m": 2.0,
   "window_stations": 7,
   "single_track": false,
   "single_track_rule": "PROVISIONAL (2026-09-15): width_p10_m <= 3.0 m with bounded_share >= 0.6; recorded, not a rule",
   "status": "ok",
   "source": "dtm",
   "station_m": 25.0,
   "window_station_m": 5.0,
   "halfwidth_m": 6.0,
   "step_m": 0.25,
   "level_tol_m": 0.12,
   "break_min_m": 0.3,
   "stations_failed": 0,
   "hedge_to_hedge": {
    "stations": 33,
    "stations_resolved": 33,
    "width_median_m": 4.75,
    "width_p10_m": 1.65,
    "width_min_m": 1.0,
    "width_max_m": 12.0,
    "bounded_share": 0.788,
    "unbounded_share": 0.212,
    "confidence_median": 1.0,
    "width_median_bounded_m": 4.12,
    "window_m": [
     142.0,
     167.0
    ],
    "width_at_max25_m": 3.25,
    "window_stations": 7,
    "status": "ok",
    "source": "dsm",
    "station_m": 25.0,
    "window_station_m": 5.0,
    "halfwidth_m": 6.0,
    "step_m": 0.25,
    "level_tol_m": 0.5,
    "break_min_m": 0.3,
    "stations_failed": 0
   }
  },
  "license": "ODbL-1.0",
  "license_url": "https://howsteep.org/licensing"
 },
 "area": {
  "place": "Escoulis",
  "county": "Haute-Garonne",
  "source": "OpenStreetMap administrative boundaries (\u00a9 OpenStreetMap contributors, ODbL)"
 }
}