{
 "ocl_version": "0.1.0",
 "name": "Discovered lane (47.2142, 6.7269)",
 "slug": "discovered-lane-47-2142-6-7269",
 "confidence": "B",
 "reported_claims": [],
 "ladder": [
  {
   "window_m": 2.0,
   "max_gradient_pct": 24.4144253960485,
   "diagnostic": true,
   "flags": [
    "no_bench_excluded",
    "no_bench_excluded_min",
    "canopy_or_structure"
   ],
   "start_distance_m": 370.0,
   "end_distance_m": 372.0,
   "start_elevation_m": 845.3159501594644,
   "end_elevation_m": 845.8042386673853,
   "min_gradient_pct": -1.8513861893836747,
   "suppressed_max_gradient_pct": 36.626279158736,
   "suppressed_location_m": [
    439.0,
    441.0
   ],
   "suppressed_min_gradient_pct": -7.804462387809963,
   "suppressed_min_location_m": [
    409.0,
    411.0
   ]
  },
  {
   "window_m": 3.0,
   "max_gradient_pct": 23.90103804160996,
   "diagnostic": true,
   "flags": [
    "no_bench_excluded",
    "no_bench_excluded_min"
   ],
   "start_distance_m": 371.0,
   "end_distance_m": 374.0,
   "start_elevation_m": 845.5416142224865,
   "end_elevation_m": 846.2586453637348,
   "min_gradient_pct": -1.386280559976664,
   "suppressed_max_gradient_pct": 34.237088344798394,
   "suppressed_location_m": [
    438.0,
    441.0
   ],
   "suppressed_min_gradient_pct": -6.530945795702792,
   "suppressed_min_location_m": [
    408.0,
    411.0
   ]
  },
  {
   "window_m": 5.0,
   "max_gradient_pct": 23.42125407301637,
   "diagnostic": false,
   "flags": [
    "no_bench_excluded",
    "no_bench_excluded_min",
    "canopy_or_structure"
   ],
   "start_distance_m": 370.0,
   "end_distance_m": 375.0,
   "start_elevation_m": 845.3159501594644,
   "end_elevation_m": 846.4870128631152,
   "min_gradient_pct": -0.8271229370643596,
   "suppressed_max_gradient_pct": 29.388227519748398,
   "suppressed_location_m": [
    436.0,
    441.0
   ],
   "suppressed_min_gradient_pct": -4.617492455029151,
   "suppressed_min_location_m": [
    409.0,
    414.0
   ]
  },
  {
   "window_m": 10.0,
   "max_gradient_pct": 22.49585809655173,
   "diagnostic": false,
   "flags": [
    "no_bench_excluded",
    "no_bench_excluded_min",
    "canopy_or_structure"
   ],
   "start_distance_m": 366.0,
   "end_distance_m": 376.0,
   "start_elevation_m": 844.4624443144023,
   "end_elevation_m": 846.7120301240575,
   "min_gradient_pct": 0.8832990968812737,
   "suppressed_max_gradient_pct": 25.847600468737255,
   "suppressed_location_m": [
    431.0,
    441.0
   ],
   "suppressed_min_gradient_pct": -1.372718515408451,
   "suppressed_min_location_m": [
    407.0,
    417.0
   ]
  },
  {
   "window_m": 20.0,
   "max_gradient_pct": 21.3272952652369,
   "diagnostic": false,
   "flags": [
    "no_bench_excluded",
    "canopy_or_structure"
   ],
   "start_distance_m": 359.0,
   "end_distance_m": 379.0,
   "start_elevation_m": 843.0268505240118,
   "end_elevation_m": 847.2923095770592,
   "min_gradient_pct": 1.3471993317381248,
   "suppressed_max_gradient_pct": 23.99390835171289,
   "suppressed_location_m": [
    421.0,
    441.0
   ]
  },
  {
   "window_m": 25.0,
   "max_gradient_pct": 20.853252704372608,
   "diagnostic": false,
   "flags": [
    "no_bench_excluded",
    "canopy_or_structure"
   ],
   "start_distance_m": 357.0,
   "end_distance_m": 382.0,
   "start_elevation_m": 842.6527035390918,
   "end_elevation_m": 847.866016715185,
   "min_gradient_pct": 1.4538783834532296,
   "suppressed_max_gradient_pct": 22.997546495779716,
   "suppressed_location_m": [
    428.0,
    453.0
   ]
  },
  {
   "window_m": 50.0,
   "max_gradient_pct": 18.43907994430424,
   "diagnostic": false,
   "flags": [
    "no_bench_excluded",
    "canopy_or_structure"
   ],
   "start_distance_m": 342.0,
   "end_distance_m": 392.0,
   "start_elevation_m": 840.1723878345441,
   "end_elevation_m": 849.3919278066962,
   "min_gradient_pct": 1.743116105810941,
   "suppressed_max_gradient_pct": 19.401127690133762,
   "suppressed_location_m": [
    417.0,
    467.0
   ]
  },
  {
   "window_m": 100.0,
   "max_gradient_pct": 15.69607923213232,
   "diagnostic": false,
   "flags": [
    "no_bench_excluded",
    "canopy_or_structure"
   ],
   "start_distance_m": 299.0,
   "end_distance_m": 399.0,
   "start_elevation_m": 834.6833059051712,
   "end_elevation_m": 850.3793851373035,
   "min_gradient_pct": 1.942458850328535,
   "suppressed_max_gradient_pct": 17.412600215696216,
   "suppressed_location_m": [
    353.0,
    453.0
   ]
  }
 ],
 "shape": {
  "ascent_concentration": 0.496,
  "concentration_window_frac": 0.25,
  "longest_pitch_10pct_m": 116.0,
  "shape_class": "stepped"
 },
 "length_m": 558.601081148885,
 "start_elevation_m": 822.1854316372068,
 "end_elevation_m": 869.5402340820324,
 "endpoint_gain_m": 47.35480244482562,
 "overall_gradient_pct": 8.477391835230632,
 "accumulated_ascent_m": 47.82689437726265,
 "window_maxima": {
  "max_5m": {
   "gradient_pct": 23.42125407301637,
   "start_distance_m": 370.0,
   "end_distance_m": 375.0,
   "midpoint_distance_m": 372.5,
   "start_elevation_m": 845.3159501594644,
   "end_elevation_m": 846.4870128631152,
   "start_xy": [
    981958.1876908236,
    6685995.919104754
   ],
   "end_xy": [
    981962.3671683477,
    6685993.17466171
   ]
  },
  "max_10m": {
   "gradient_pct": 22.49585809655173,
   "start_distance_m": 366.0,
   "end_distance_m": 376.0,
   "midpoint_distance_m": 371.0,
   "start_elevation_m": 844.4624443144023,
   "end_elevation_m": 846.7120301240575,
   "start_xy": [
    981954.5874006064,
    6685997.5051892
   ],
   "end_xy": [
    981963.2030638525,
    6685992.6257731
   ]
  },
  "max_20m": {
   "gradient_pct": 21.3272952652369,
   "start_distance_m": 359.0,
   "end_distance_m": 379.0,
   "midpoint_distance_m": 369.0,
   "start_elevation_m": 843.0268505240118,
   "end_elevation_m": 847.2923095770592,
   "start_xy": [
    981947.7504523833,
    6685999.0072341375
   ],
   "end_xy": [
    981964.858377309,
    6685990.133901867
   ]
  },
  "max_25m": {
   "gradient_pct": 20.853252704372608,
   "start_distance_m": 357.0,
   "end_distance_m": 382.0,
   "midpoint_distance_m": 369.5,
   "start_elevation_m": 842.6527035390918,
   "end_elevation_m": 847.866016715185,
   "start_xy": [
    981945.7970386053,
    6685999.436389835
   ],
   "end_xy": [
    981966.4838084942,
    6685987.612399643
   ]
  },
  "max_50m": {
   "gradient_pct": 18.43907994430424,
   "start_distance_m": 342.0,
   "end_distance_m": 392.0,
   "midpoint_distance_m": 367.0,
   "start_elevation_m": 840.1723878345441,
   "end_elevation_m": 849.3919278066962,
   "start_xy": [
    981931.0778873935,
    6686002.305947911
   ],
   "end_xy": [
    981969.4492908565,
    6685978.133320113
   ]
  },
  "max_100m": {
   "gradient_pct": 15.69607923213232,
   "start_distance_m": 299.0,
   "end_distance_m": 399.0,
   "midpoint_distance_m": 349.0,
   "start_elevation_m": 834.6833059051712,
   "end_elevation_m": 850.3793851373035,
   "start_xy": [
    981890.3037126428,
    6686014.09989244
   ],
   "end_xy": [
    981969.4106255803,
    6685971.260601403
   ]
  }
 },
 "window_minima": {
  "min_5m": {
   "gradient_pct": -0.8271229370643596,
   "start_distance_m": 0.0,
   "end_distance_m": 5.0,
   "midpoint_distance_m": 2.5,
   "start_elevation_m": 822.1854316372068,
   "end_elevation_m": 822.1440754903535,
   "start_xy": [
    981696.282,
    6686237.017
   ],
   "end_xy": [
    981699.322483395,
    6686233.047685106
   ]
  },
  "min_10m": {
   "gradient_pct": 0.8832990968812737,
   "start_distance_m": 0.0,
   "end_distance_m": 10.0,
   "midpoint_distance_m": 5.0,
   "start_elevation_m": 822.1854316372068,
   "end_elevation_m": 822.2737615468949,
   "start_xy": [
    981696.282,
    6686237.017
   ],
   "end_xy": [
    981701.7743777116,
    6686228.720144655
   ]
  },
  "min_20m": {
   "gradient_pct": 1.3471993317381248,
   "start_distance_m": 142.0,
   "end_distance_m": 162.0,
   "midpoint_distance_m": 152.0,
   "start_elevation_m": 826.9023581772649,
   "end_elevation_m": 827.1717980436125,
   "start_xy": [
    981796.2902383512,
    6686138.943612048
   ],
   "end_xy": [
    981806.6514954466,
    6686121.836761041
   ]
  },
  "min_25m": {
   "gradient_pct": 1.4538783834532296,
   "start_distance_m": 141.0,
   "end_distance_m": 166.0,
   "midpoint_distance_m": 153.5,
   "start_elevation_m": 826.8999061891809,
   "end_elevation_m": 827.2633757850442,
   "start_xy": [
    981795.6231459074,
    6686139.665973561
   ],
   "end_xy": [
    981808.7237468655,
    6686118.415390839
   ]
  },
  "min_50m": {
   "gradient_pct": 1.743116105810941,
   "start_distance_m": 126.0,
   "end_distance_m": 176.0,
   "midpoint_distance_m": 151.0,
   "start_elevation_m": 826.5710133931933,
   "end_elevation_m": 827.4425714460988,
   "start_xy": [
    981783.7574361864,
    6686148.842298143
   ],
   "end_xy": [
    981813.9043754132,
    6686109.861965335
   ]
  },
  "min_100m": {
   "gradient_pct": 1.942458850328535,
   "start_distance_m": 76.0,
   "end_distance_m": 176.0,
   "midpoint_distance_m": 126.0,
   "start_elevation_m": 825.5001125957702,
   "end_elevation_m": 827.4425714460988,
   "start_xy": [
    981744.5579796591,
    6686179.8751338925
   ],
   "end_xy": [
    981813.9043754132,
    6686109.861965335
   ]
  }
 },
 "diagnostic_window_maxima": {
  "max_2m": {
   "gradient_pct": 24.4144253960485,
   "start_distance_m": 370.0,
   "end_distance_m": 372.0,
   "midpoint_distance_m": 371.0,
   "start_elevation_m": 845.3159501594644,
   "end_elevation_m": 845.8042386673853,
   "start_xy": [
    981958.1876908236,
    6685995.919104754
   ],
   "end_xy": [
    981959.8594818332,
    6685994.821327536
   ]
  },
  "max_3m": {
   "gradient_pct": 23.90103804160996,
   "start_distance_m": 371.0,
   "end_distance_m": 374.0,
   "midpoint_distance_m": 372.5,
   "start_elevation_m": 845.5416142224865,
   "end_elevation_m": 846.2586453637348,
   "start_xy": [
    981959.0235863284,
    6685995.370216145
   ],
   "end_xy": [
    981961.5312728429,
    6685993.723550319
   ]
  }
 },
 "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": {
  "no_bench_suppression": {
   "masked_fraction": 0.109,
   "windows_resited": [
    2.0,
    3.0,
    5.0,
    10.0,
    20.0,
    25.0,
    50.0,
    100.0
   ],
   "windows_unresolved": [],
   "minima_resited": [
    2.0,
    3.0,
    5.0,
    10.0
   ],
   "minima_unresolved": []
  },
  "overhead_obstruction": {
   "obstruction_threshold_m": 2.0,
   "obstructed_fraction": 0.168,
   "obstruction_max_height_m": 29.44,
   "flagged_windows_m": [
    2,
    5,
    10,
    20,
    25,
    50,
    100
   ]
  },
  "excluded_ranges_m": [
   [
    400.0,
    460.0
   ]
  ],
  "review": [],
  "extent": []
 },
 "provenance": {
  "analysis_version": "0.1.0",
  "run_manifest": {
   "manifest_version": "1",
   "code_git_sha": "c4fd6b4a89a9718922c7ed8acdf14e43dcf75a33",
   "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-ju4",
   "road_pbf": "block-batch-fr-ju4.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": "sha256:78945c7930496bfe"
  },
  "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_E981-N6685_0m5@22LHD2QH2-2025-05-22.tif",
   "data/cache/fr/ign-lidarhd_dtm_E981-N6686_0m5@22LHD2QH2-2025-05-22.tif"
  ],
  "calculated_at": "2026-09-24T11:56:04+00:00",
  "road_source": "OpenStreetMap (local PBF extract)",
  "road_attribution": "\u00a9 OpenStreetMap contributors, ODbL",
  "osm_pbf_path": "data/cache/pbf/block-batch-fr-ju4.osm.pbf",
  "osm_snapshot": "",
  "run_id": "fr-ju4",
  "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": [
   "E981-N6685",
   "E981-N6686"
  ],
  "elevation_blocks": [
   "22LHD2QH2@2025-05-22"
  ],
  "ign_dalles": [
   "LHD_FXX_0981_6686_MNT_O_0M50_LAMB93_IGN69",
   "LHD_FXX_0981_6687_MNT_O_0M50_LAMB93_IGN69"
  ],
  "ign_missions": [
   "22LHD2QH2"
  ],
  "ign_editions": [
   "2025-05-22"
  ],
  "ign_dsm_edition": {
   "LHD_FXX_0981_6686_MNT_O_0M50_LAMB93_IGN69": "2025-05-22",
   "LHD_FXX_0981_6687_MNT_O_0M50_LAMB93_IGN69": "2025-05-22"
  },
  "climb_origin": "discovered",
  "structure_own_ways": 3,
  "carriageway": {
   "stations": 29,
   "stations_resolved": 29,
   "width_median_m": 5.25,
   "width_p10_m": 3.25,
   "width_min_m": 2.75,
   "width_max_m": 10.75,
   "bounded_share": 0.069,
   "unbounded_share": 0.931,
   "confidence_median": 0.0,
   "width_median_bounded_m": 4.5,
   "window_m": [
    357.0,
    382.0
   ],
   "width_at_max25_m": 5.5,
   "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": 29,
    "stations_resolved": 29,
    "width_median_m": 7.75,
    "width_p10_m": 0.9,
    "width_min_m": 0.5,
    "width_max_m": 12.0,
    "bounded_share": 0.414,
    "unbounded_share": 0.586,
    "confidence_median": 0.0,
    "width_median_bounded_m": 2.62,
    "window_m": [
     357.0,
     382.0
    ],
    "width_at_max25_m": 1.25,
    "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": "Saint-Julien-l\u00e8s-Russey",
  "county": "Doubs",
  "source": "OpenStreetMap administrative boundaries (\u00a9 OpenStreetMap contributors, ODbL)"
 }
}