{
 "ocl_version": "0.1.0",
 "name": "Chemin de la R\u00e9gie",
 "slug": "chemin-de-la-regie",
 "confidence": "B",
 "reported_claims": [],
 "ladder": [
  {
   "window_m": 2.0,
   "max_gradient_pct": 32.10056955797995,
   "diagnostic": true,
   "flags": [
    "canopy_or_structure"
   ],
   "start_distance_m": 1062.0,
   "end_distance_m": 1064.0,
   "start_elevation_m": 140.60903922309896,
   "end_elevation_m": 141.25105061425856,
   "min_gradient_pct": -5.444501421311543
  },
  {
   "window_m": 3.0,
   "max_gradient_pct": 29.80468898889607,
   "diagnostic": true,
   "flags": [
    "canopy_or_structure"
   ],
   "start_distance_m": 1061.0,
   "end_distance_m": 1064.0,
   "start_elevation_m": 140.35690994459168,
   "end_elevation_m": 141.25105061425856,
   "min_gradient_pct": -1.5915994476235558
  },
  {
   "window_m": 5.0,
   "max_gradient_pct": 25.595060357672423,
   "diagnostic": false,
   "flags": [
    "canopy_or_structure"
   ],
   "start_distance_m": 1060.0,
   "end_distance_m": 1065.0,
   "start_elevation_m": 140.180882320775,
   "end_elevation_m": 141.46063533865862,
   "min_gradient_pct": -0.7660344184023415
  },
  {
   "window_m": 10.0,
   "max_gradient_pct": 23.784564235222376,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 651.0,
   "end_distance_m": 661.0,
   "start_elevation_m": 107.56090710482198,
   "end_elevation_m": 109.93936352834422,
   "min_gradient_pct": -0.44406432534231044
  },
  {
   "window_m": 20.0,
   "max_gradient_pct": 21.88698902150726,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 646.0,
   "end_distance_m": 666.0,
   "start_elevation_m": 106.55551818628547,
   "end_elevation_m": 110.93291599058692,
   "min_gradient_pct": 0.013439798141945403
  },
  {
   "window_m": 25.0,
   "max_gradient_pct": 21.690651145999936,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 1405.0,
   "end_distance_m": 1430.0,
   "start_elevation_m": 172.24300985483507,
   "end_elevation_m": 177.66567264133505,
   "min_gradient_pct": 0.1278748447681437
  },
  {
   "window_m": 50.0,
   "max_gradient_pct": 20.79771553450013,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 1388.0,
   "end_distance_m": 1438.0,
   "start_elevation_m": 168.88607715658623,
   "end_elevation_m": 179.2849349238363,
   "min_gradient_pct": 0.24782670296639253
  },
  {
   "window_m": 100.0,
   "max_gradient_pct": 19.144926630892513,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 1382.0,
   "end_distance_m": 1482.0,
   "start_elevation_m": 167.90357633230747,
   "end_elevation_m": 187.04850296319998,
   "min_gradient_pct": 0.7048387298256387
  }
 ],
 "shape": {
  "ascent_concentration": 0.324,
  "concentration_window_frac": 0.25,
  "longest_pitch_10pct_m": 169.0,
  "shape_class": "sustained"
 },
 "length_m": 1743.5987523679717,
 "start_elevation_m": 44.65709880911725,
 "end_elevation_m": 207.8629720184297,
 "endpoint_gain_m": 163.20587320931244,
 "overall_gradient_pct": 9.360288483096438,
 "accumulated_ascent_m": 163.62691624988253,
 "window_maxima": {
  "max_5m": {
   "gradient_pct": 25.595060357672423,
   "start_distance_m": 1060.0,
   "end_distance_m": 1065.0,
   "midpoint_distance_m": 1062.5,
   "start_elevation_m": 140.180882320775,
   "end_elevation_m": 141.46063533865862,
   "start_xy": [
    926253.5401119782,
    6234795.582114918
   ],
   "end_xy": [
    926258.5356431983,
    6234795.793462569
   ]
  },
  "max_10m": {
   "gradient_pct": 23.784564235222376,
   "start_distance_m": 651.0,
   "end_distance_m": 661.0,
   "midpoint_distance_m": 656.0,
   "start_elevation_m": 107.56090710482198,
   "end_elevation_m": 109.93936352834422,
   "start_xy": [
    926074.7562872808,
    6234552.143171391
   ],
   "end_xy": [
    926082.2605671108,
    6234557.959197412
   ]
  },
  "max_20m": {
   "gradient_pct": 21.88698902150726,
   "start_distance_m": 646.0,
   "end_distance_m": 666.0,
   "midpoint_distance_m": 656.0,
   "start_elevation_m": 106.55551818628547,
   "end_elevation_m": 110.93291599058692,
   "start_xy": [
    926069.8657688535,
    6234551.442520824
   ],
   "end_xy": [
    926084.7066805834,
    6234562.284725497
   ]
  },
  "max_25m": {
   "gradient_pct": 21.690651145999936,
   "start_distance_m": 1405.0,
   "end_distance_m": 1430.0,
   "midpoint_distance_m": 1417.5,
   "start_elevation_m": 172.24300985483507,
   "end_elevation_m": 177.66567264133505,
   "start_xy": [
    926494.4335370424,
    6234749.300428035
   ],
   "end_xy": [
    926517.6813558028,
    6234758.494792755
   ]
  },
  "max_50m": {
   "gradient_pct": 20.79771553450013,
   "start_distance_m": 1388.0,
   "end_distance_m": 1438.0,
   "midpoint_distance_m": 1413.0,
   "start_elevation_m": 168.88607715658623,
   "end_elevation_m": 179.2849349238363,
   "start_xy": [
    926478.6033916285,
    6234743.1031305455
   ],
   "end_xy": [
    926525.1171667774,
    6234761.445845982
   ]
  },
  "max_100m": {
   "gradient_pct": 19.144926630892513,
   "start_distance_m": 1382.0,
   "end_distance_m": 1482.0,
   "midpoint_distance_m": 1432.0,
   "start_elevation_m": 167.90357633230747,
   "end_elevation_m": 187.04850296319998,
   "start_xy": [
    926472.9438630803,
    6234741.183021628
   ],
   "end_xy": [
    926565.064213394,
    6234778.769803242
   ]
  }
 },
 "window_minima": {
  "min_5m": {
   "gradient_pct": -0.7660344184023415,
   "start_distance_m": 866.0,
   "end_distance_m": 871.0,
   "midpoint_distance_m": 868.5,
   "start_elevation_m": 130.09331634866092,
   "end_elevation_m": 130.0550146277408,
   "start_xy": [
    926126.0465934363,
    6234716.130923836
   ],
   "end_xy": [
    926125.509624582,
    6234721.10200666
   ]
  },
  "min_10m": {
   "gradient_pct": -0.44406432534231044,
   "start_distance_m": 864.0,
   "end_distance_m": 874.0,
   "midpoint_distance_m": 869.0,
   "start_elevation_m": 130.111732523247,
   "end_elevation_m": 130.06732609071278,
   "start_xy": [
    926126.2602594927,
    6234714.142370099
   ],
   "end_xy": [
    926125.1874432695,
    6234724.084656355
   ]
  },
  "min_20m": {
   "gradient_pct": 0.013439798141945403,
   "start_distance_m": 864.0,
   "end_distance_m": 884.0,
   "midpoint_distance_m": 874.0,
   "start_elevation_m": 130.111732523247,
   "end_elevation_m": 130.1144204828754,
   "start_xy": [
    926126.2602594927,
    6234714.142370099
   ],
   "end_xy": [
    926125.5468905114,
    6234734.064086439
   ]
  },
  "min_25m": {
   "gradient_pct": 0.1278748447681437,
   "start_distance_m": 864.0,
   "end_distance_m": 889.0,
   "midpoint_distance_m": 876.5,
   "start_elevation_m": 130.111732523247,
   "end_elevation_m": 130.14370123443905,
   "start_xy": [
    926126.2602594927,
    6234714.142370099
   ],
   "end_xy": [
    926125.8248370688,
    6234739.056355033
   ]
  },
  "min_50m": {
   "gradient_pct": 0.24782670296639253,
   "start_distance_m": 864.0,
   "end_distance_m": 914.0,
   "midpoint_distance_m": 889.0,
   "start_elevation_m": 130.111732523247,
   "end_elevation_m": 130.2356458747302,
   "start_xy": [
    926126.2602594927,
    6234714.142370099
   ],
   "end_xy": [
    926127.1286782643,
    6234764.021967371
   ]
  },
  "min_100m": {
   "gradient_pct": 0.7048387298256387,
   "start_distance_m": 848.0,
   "end_distance_m": 948.0,
   "midpoint_distance_m": 898.0,
   "start_elevation_m": 129.77808005232305,
   "end_elevation_m": 130.4829187821487,
   "start_xy": [
    926131.3658835178,
    6234699.236247225
   ],
   "end_xy": [
    926141.8655419656,
    6234788.80624444
   ]
  }
 },
 "diagnostic_window_maxima": {
  "max_2m": {
   "gradient_pct": 32.10056955797995,
   "start_distance_m": 1062.0,
   "end_distance_m": 1064.0,
   "midpoint_distance_m": 1063.0,
   "start_elevation_m": 140.60903922309896,
   "end_elevation_m": 141.25105061425856,
   "start_xy": [
    926255.5383244662,
    6234795.666653979
   ],
   "end_xy": [
    926257.5365369542,
    6234795.751193038
   ]
  },
  "max_3m": {
   "gradient_pct": 29.80468898889607,
   "start_distance_m": 1061.0,
   "end_distance_m": 1064.0,
   "midpoint_distance_m": 1062.5,
   "start_elevation_m": 140.35690994459168,
   "end_elevation_m": 141.25105061425856,
   "start_xy": [
    926254.5392182221,
    6234795.624384449
   ],
   "end_xy": [
    926257.5365369542,
    6234795.751193038
   ]
  }
 },
 "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": 0.12,
   "obstruction_max_height_m": 15.96,
   "flagged_windows_m": [
    2,
    3,
    5
   ]
  },
  "review": [],
  "extent": [
   "may_continue_beyond_end"
  ]
 },
 "provenance": {
  "analysis_version": "0.1.0",
  "run_manifest": {
   "manifest_version": "1",
   "code_git_sha": "41205ec4649bb0a4093af76ff34281a5d9a13832",
   "code_git_dirty": "false",
   "analysis_version": "0.1.0",
   "analysis_config_digest": "sha256:8c94015b54267da4",
   "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-pr5",
   "road_pbf": "block-batch-fr-pr5.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:ba95a0bf562c86eb"
  },
  "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_E925-N6234_0m5@21LHD7PQ-2025-03-14.tif",
   "data/cache/fr/ign-lidarhd_dtm_E926-N6234_0m5@21LHD7PQ-2025-03-14.tif"
  ],
  "calculated_at": "2026-09-25T08:49:14+00:00",
  "road_source": "OpenStreetMap (local PBF extract)",
  "road_attribution": "\u00a9 OpenStreetMap contributors, ODbL",
  "osm_pbf_path": "data/cache/pbf/block-batch-fr-pr5.osm.pbf",
  "osm_snapshot": "",
  "run_id": "fr-pr5",
  "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": [
   "E925-N6234",
   "E926-N6234"
  ],
  "elevation_blocks": [
   "21LHD7PQ@2025-03-14"
  ],
  "ign_dalles": [
   "LHD_FXX_0925_6235_MNT_O_0M50_LAMB93_IGN69",
   "LHD_FXX_0926_6235_MNT_O_0M50_LAMB93_IGN69"
  ],
  "ign_missions": [
   "21LHD7PQ"
  ],
  "ign_editions": [
   "2025-03-14"
  ],
  "ign_dsm_edition": {
   "LHD_FXX_0925_6235_MNT_O_0M50_LAMB93_IGN69": "2025-03-14",
   "LHD_FXX_0926_6235_MNT_O_0M50_LAMB93_IGN69": "2025-03-14"
  },
  "climb_origin": "discovered",
  "structure_own_ways": 3,
  "carriageway": {
   "stations": 75,
   "stations_resolved": 75,
   "width_median_m": 6.0,
   "width_p10_m": 3.5,
   "width_min_m": 1.0,
   "width_max_m": 12.0,
   "bounded_share": 0.227,
   "unbounded_share": 0.773,
   "confidence_median": 0.0,
   "width_median_bounded_m": 4.75,
   "window_m": [
    1405.0,
    1430.0
   ],
   "width_at_max25_m": 4.88,
   "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": 75,
    "stations_resolved": 75,
    "width_median_m": 5.25,
    "width_p10_m": 1.6,
    "width_min_m": 0.5,
    "width_max_m": 11.75,
    "bounded_share": 0.733,
    "unbounded_share": 0.267,
    "confidence_median": 1.0,
    "width_median_bounded_m": 4.0,
    "window_m": [
     1405.0,
     1430.0
    ],
    "width_at_max25_m": 2.75,
    "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": "Le Castellet",
  "county": "Var",
  "source": "OpenStreetMap administrative boundaries (\u00a9 OpenStreetMap contributors, ODbL)"
 }
}