{
 "ocl_version": "0.1.0",
 "name": "Rue Jean-Baptiste Augier",
 "slug": "rue-jean-baptiste-augier",
 "confidence": "B",
 "reported_claims": [],
 "ladder": [
  {
   "window_m": 2.0,
   "max_gradient_pct": 39.82370464165115,
   "diagnostic": true,
   "flags": [],
   "start_distance_m": 4.0,
   "end_distance_m": 6.0,
   "start_elevation_m": 312.944146514243,
   "end_elevation_m": 313.74062060707604,
   "min_gradient_pct": -3.5801638587827256
  },
  {
   "window_m": 3.0,
   "max_gradient_pct": 34.980612850542535,
   "diagnostic": true,
   "flags": [
    "canopy_or_structure"
   ],
   "start_distance_m": 18.0,
   "end_distance_m": 21.0,
   "start_elevation_m": 315.9307747486961,
   "end_elevation_m": 316.98019313421236,
   "min_gradient_pct": -2.048535483978261
  },
  {
   "window_m": 5.0,
   "max_gradient_pct": 31.47331307138643,
   "diagnostic": false,
   "flags": [
    "canopy_or_structure"
   ],
   "start_distance_m": 17.0,
   "end_distance_m": 22.0,
   "start_elevation_m": 315.6829006501326,
   "end_elevation_m": 317.2565663037019,
   "min_gradient_pct": -2.100382859716774
  },
  {
   "window_m": 10.0,
   "max_gradient_pct": 25.02617312831717,
   "diagnostic": false,
   "flags": [
    "canopy_or_structure"
   ],
   "start_distance_m": 15.0,
   "end_distance_m": 25.0,
   "start_elevation_m": 315.2934081999176,
   "end_elevation_m": 317.79602551274934,
   "min_gradient_pct": -1.4203741565125938
  },
  {
   "window_m": 20.0,
   "max_gradient_pct": 24.016782753932375,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 30.0,
   "end_distance_m": 50.0,
   "start_elevation_m": 318.64422872451314,
   "end_elevation_m": 323.4475852752996,
   "min_gradient_pct": -0.2814030315235527
  },
  {
   "window_m": 25.0,
   "max_gradient_pct": 23.718347226704736,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 30.0,
   "end_distance_m": 55.0,
   "start_elevation_m": 318.64422872451314,
   "end_elevation_m": 324.5738155311893,
   "min_gradient_pct": -0.3389086920765294
  },
  {
   "window_m": 50.0,
   "max_gradient_pct": 23.24903737137504,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 17.0,
   "end_distance_m": 67.0,
   "start_elevation_m": 315.6829006501326,
   "end_elevation_m": 327.3074193358201,
   "min_gradient_pct": 1.4092720273322357
  },
  {
   "window_m": 100.0,
   "max_gradient_pct": 17.75061842958752,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 0.0,
   "end_distance_m": 100.0,
   "start_elevation_m": 312.35137911475334,
   "end_elevation_m": 330.10199754434086,
   "min_gradient_pct": 2.6227156416780986
  }
 ],
 "shape": {
  "ascent_concentration": 0.518,
  "concentration_window_frac": 0.25,
  "longest_pitch_10pct_m": 81.0,
  "shape_class": "stepped"
 },
 "length_m": 201.11285728265548,
 "start_elevation_m": 312.35137911475334,
 "end_elevation_m": 334.32168569726093,
 "endpoint_gain_m": 21.97030658250759,
 "overall_gradient_pct": 10.924366984468461,
 "accumulated_ascent_m": 22.46574892536529,
 "window_maxima": {
  "max_5m": {
   "gradient_pct": 31.47331307138643,
   "start_distance_m": 17.0,
   "end_distance_m": 22.0,
   "midpoint_distance_m": 19.5,
   "start_elevation_m": 315.6829006501326,
   "end_elevation_m": 317.2565663037019,
   "start_xy": [
    1039709.6865397983,
    6304933.05414651
   ],
   "end_xy": [
    1039713.0333312324,
    6304929.339592327
   ]
  },
  "max_10m": {
   "gradient_pct": 25.02617312831717,
   "start_distance_m": 15.0,
   "end_distance_m": 25.0,
   "midpoint_distance_m": 20.0,
   "start_elevation_m": 315.2934081999176,
   "end_elevation_m": 317.79602551274934,
   "start_xy": [
    1039708.3437704103,
    6304934.5363645675
   ],
   "end_xy": [
    1039715.0058767312,
    6304927.0792684
   ]
  },
  "max_20m": {
   "gradient_pct": 24.016782753932375,
   "start_distance_m": 30.0,
   "end_distance_m": 50.0,
   "midpoint_distance_m": 40.0,
   "start_elevation_m": 318.64422872451314,
   "end_elevation_m": 323.4475852752996,
   "start_xy": [
    1039718.2934525628,
    6304923.312061855
   ],
   "end_xy": [
    1039735.1195229762,
    6304912.589476715
   ]
  },
  "max_25m": {
   "gradient_pct": 23.718347226704736,
   "start_distance_m": 30.0,
   "end_distance_m": 55.0,
   "midpoint_distance_m": 42.5,
   "start_elevation_m": 318.64422872451314,
   "end_elevation_m": 324.5738155311893,
   "start_xy": [
    1039718.2934525628,
    6304923.312061855
   ],
   "end_xy": [
    1039739.2909314244,
    6304909.8327845745
   ]
  },
  "max_50m": {
   "gradient_pct": 23.24903737137504,
   "start_distance_m": 17.0,
   "end_distance_m": 67.0,
   "midpoint_distance_m": 42.0,
   "start_elevation_m": 315.6829006501326,
   "end_elevation_m": 327.3074193358201,
   "start_xy": [
    1039709.6865397983,
    6304933.05414651
   ],
   "end_xy": [
    1039749.4733935718,
    6304903.491532269
   ]
  },
  "max_100m": {
   "gradient_pct": 17.75061842958752,
   "start_distance_m": 0.0,
   "end_distance_m": 100.0,
   "midpoint_distance_m": 50.0,
   "start_elevation_m": 312.35137911475334,
   "end_elevation_m": 330.10199754434086,
   "start_xy": [
    1039698.273,
    6304945.653
   ],
   "end_xy": [
    1039775.507306737,
    6304883.9503170345
   ]
  }
 },
 "window_minima": {
  "min_5m": {
   "gradient_pct": -2.100382859716774,
   "start_distance_m": 122.0,
   "end_distance_m": 127.0,
   "midpoint_distance_m": 124.5,
   "start_elevation_m": 330.7704560901944,
   "end_elevation_m": 330.66543694720855,
   "start_xy": [
    1039781.09432132,
    6304863.457958674
   ],
   "end_xy": [
    1039782.1833667489,
    6304858.684486884
   ]
  },
  "min_10m": {
   "gradient_pct": -1.4203741565125938,
   "start_distance_m": 118.0,
   "end_distance_m": 128.0,
   "midpoint_distance_m": 123.0,
   "start_elevation_m": 330.8090930635799,
   "end_elevation_m": 330.66705564792863,
   "start_xy": [
    1039780.8853539199,
    6304867.437374554
   ],
   "end_xy": [
    1039782.809160132,
    6304857.904498012
   ]
  },
  "min_20m": {
   "gradient_pct": -0.2814030315235527,
   "start_distance_m": 122.0,
   "end_distance_m": 142.0,
   "midpoint_distance_m": 132.0,
   "start_elevation_m": 330.7704560901944,
   "end_elevation_m": 330.7141754838897,
   "start_xy": [
    1039781.09432132,
    6304863.457958674
   ],
   "end_xy": [
    1039795.86743987,
    6304853.43432938
   ]
  },
  "min_25m": {
   "gradient_pct": -0.3389086920765294,
   "start_distance_m": 117.0,
   "end_distance_m": 142.0,
   "midpoint_distance_m": 129.5,
   "start_elevation_m": 330.7989026569088,
   "end_elevation_m": 330.7141754838897,
   "start_xy": [
    1039780.9266497076,
    6304868.436521518
   ],
   "end_xy": [
    1039795.86743987,
    6304853.43432938
   ]
  },
  "min_50m": {
   "gradient_pct": 1.4092720273322357,
   "start_distance_m": 107.0,
   "end_distance_m": 157.0,
   "midpoint_distance_m": 132.0,
   "start_elevation_m": 330.53294971540674,
   "end_elevation_m": 331.23758572907286,
   "start_xy": [
    1039779.3418247415,
    6304878.122683572
   ],
   "end_xy": [
    1039802.5241175995,
    6304863.968101549
   ]
  },
  "min_100m": {
   "gradient_pct": 2.6227156416780986,
   "start_distance_m": 82.0,
   "end_distance_m": 182.0,
   "midpoint_distance_m": 132.0,
   "start_elevation_m": 329.28719009162205,
   "end_elevation_m": 331.90990573330015,
   "start_xy": [
    1039762.7971826713,
    6304896.672345813
   ],
   "end_xy": [
    1039809.7293307501,
    6304887.646439512
   ]
  }
 },
 "diagnostic_window_maxima": {
  "max_2m": {
   "gradient_pct": 39.82370464165115,
   "start_distance_m": 4.0,
   "end_distance_m": 6.0,
   "midpoint_distance_m": 5.0,
   "start_elevation_m": 312.944146514243,
   "end_elevation_m": 313.74062060707604,
   "start_xy": [
    1039700.9585387761,
    6304942.688563884
   ],
   "end_xy": [
    1039702.3013081641,
    6304941.206345826
   ]
  },
  "max_3m": {
   "gradient_pct": 34.980612850542535,
   "start_distance_m": 18.0,
   "end_distance_m": 21.0,
   "midpoint_distance_m": 19.5,
   "start_elevation_m": 315.9307747486961,
   "end_elevation_m": 316.98019313421236,
   "start_xy": [
    1039710.3579244923,
    6304932.31303748
   ],
   "end_xy": [
    1039712.3720785744,
    6304930.089710394
   ]
  }
 },
 "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": 0.094,
   "obstruction_max_height_m": 4.77,
   "flagged_windows_m": [
    3,
    5,
    10
   ]
  },
  "review": [],
  "extent": [
   "may_start_earlier",
   "may_continue_beyond_end"
  ]
 },
 "provenance": {
  "analysis_version": "0.1.0",
  "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_E1039-N6304_0m5.tif"
  ],
  "calculated_at": "2026-09-17T02:14:52+00:00",
  "road_source": "OpenStreetMap (local PBF extract)",
  "road_attribution": "\u00a9 OpenStreetMap contributors, ODbL",
  "osm_pbf_path": "data/cache/pbf/block-batch-fr-alps4.osm.pbf",
  "osm_snapshot": "",
  "run_id": "fr-alps4",
  "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": [
   "E1039-N6304"
  ],
  "elevation_blocks": [
   "21LHD8SP@2025-06-20"
  ],
  "ign_dalles": [
   "LHD_FXX_1039_6305_MNT_O_0M50_LAMB93_IGN69"
  ],
  "ign_missions": [
   "21LHD8SP"
  ],
  "ign_editions": [
   "2025-06-20"
  ],
  "ign_dsm_edition": {
   "LHD_FXX_1039_6305_MNT_O_0M50_LAMB93_IGN69": "2025-06-20"
  },
  "climb_origin": "discovered",
  "structure_own_ways": "none \u2014 the route carried no way list; own decks unmasked",
  "carriageway": {
   "stations": 14,
   "stations_resolved": 14,
   "width_median_m": 3.5,
   "width_p10_m": 1.75,
   "width_min_m": 1.0,
   "width_max_m": 9.5,
   "bounded_share": 0.357,
   "unbounded_share": 0.643,
   "confidence_median": 0.0,
   "width_median_bounded_m": 2.75,
   "window_m": [
    30.0,
    55.0
   ],
   "width_at_max25_m": 2.5,
   "window_stations": 6,
   "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": 14,
    "stations_resolved": 14,
    "width_median_m": 3.62,
    "width_p10_m": 1.4,
    "width_min_m": 1.0,
    "width_max_m": 8.0,
    "bounded_share": 0.929,
    "unbounded_share": 0.071,
    "confidence_median": 1.0,
    "width_median_bounded_m": 3.5,
    "window_m": [
     30.0,
     55.0
    ],
    "width_at_max25_m": 3.12,
    "window_stations": 6,
    "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": "Colomars",
  "county": "Alpes-Maritimes",
  "source": "OpenStreetMap administrative boundaries (\u00a9 OpenStreetMap contributors, ODbL)"
 }
}