{
 "ocl_version": "0.1.0",
 "name": "Chemin du Replat",
 "slug": "chemin-du-replat-2",
 "confidence": "B",
 "reported_claims": [],
 "ladder": [
  {
   "window_m": 2.0,
   "max_gradient_pct": 25.009365501827574,
   "diagnostic": true,
   "flags": [
    "structure_excluded",
    "no_bench_excluded_min",
    "canopy_or_structure"
   ],
   "start_distance_m": 361.0,
   "end_distance_m": 363.0,
   "start_elevation_m": 441.5042783790351,
   "end_elevation_m": 442.00446568907165,
   "min_gradient_pct": -1.9493938216299966,
   "suppressed_max_gradient_pct": 30.464535813723614,
   "suppressed_location_m": [
    31.0,
    33.0
   ],
   "suppressed_min_gradient_pct": -2.3430113594372415,
   "suppressed_min_location_m": [
    61.0,
    63.0
   ]
  },
  {
   "window_m": 3.0,
   "max_gradient_pct": 24.18227121325837,
   "diagnostic": true,
   "flags": [
    "structure_excluded",
    "canopy_or_structure"
   ],
   "start_distance_m": 360.0,
   "end_distance_m": 363.0,
   "start_elevation_m": 441.2789975526739,
   "end_elevation_m": 442.00446568907165,
   "min_gradient_pct": -2.002565940442006,
   "suppressed_max_gradient_pct": 24.606220745715746,
   "suppressed_location_m": [
    30.0,
    33.0
   ]
  },
  {
   "window_m": 5.0,
   "max_gradient_pct": 23.40087739816454,
   "diagnostic": false,
   "flags": [
    "canopy_or_structure"
   ],
   "start_distance_m": 358.0,
   "end_distance_m": 363.0,
   "start_elevation_m": 440.8344218191634,
   "end_elevation_m": 442.00446568907165,
   "min_gradient_pct": -1.6495175352304159
  },
  {
   "window_m": 10.0,
   "max_gradient_pct": 22.579988345759148,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 353.0,
   "end_distance_m": 363.0,
   "start_elevation_m": 439.74646685449574,
   "end_elevation_m": 442.00446568907165,
   "min_gradient_pct": -1.5872353123836547
  },
  {
   "window_m": 20.0,
   "max_gradient_pct": 21.38824864713996,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 343.0,
   "end_distance_m": 363.0,
   "start_elevation_m": 437.72681595964366,
   "end_elevation_m": 442.00446568907165,
   "min_gradient_pct": -1.1111224457044955
  },
  {
   "window_m": 25.0,
   "max_gradient_pct": 21.084809158094686,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 341.0,
   "end_distance_m": 366.0,
   "start_elevation_m": 437.32305974171993,
   "end_elevation_m": 442.5942620312436,
   "min_gradient_pct": -0.9895283066630327
  },
  {
   "window_m": 50.0,
   "max_gradient_pct": 19.93214368974168,
   "diagnostic": false,
   "flags": [
    "canopy_or_structure"
   ],
   "start_distance_m": 334.0,
   "end_distance_m": 384.0,
   "start_elevation_m": 435.9892224363632,
   "end_elevation_m": 445.95529428123405,
   "min_gradient_pct": -0.4095612614195261
  },
  {
   "window_m": 100.0,
   "max_gradient_pct": 17.519135985131413,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 325.0,
   "end_distance_m": 425.0,
   "start_elevation_m": 434.60234911155874,
   "end_elevation_m": 452.12148509669015,
   "min_gradient_pct": 1.8570711065672754
  }
 ],
 "shape": {
  "ascent_concentration": 0.391,
  "concentration_window_frac": 0.25,
  "longest_pitch_10pct_m": 171.0,
  "shape_class": "sustained"
 },
 "length_m": 889.0495759140856,
 "start_elevation_m": 405.4912818261541,
 "end_elevation_m": 480.52501569776706,
 "endpoint_gain_m": 75.03373387161298,
 "overall_gradient_pct": 8.439769378942255,
 "accumulated_ascent_m": 75.52337448796169,
 "window_maxima": {
  "max_5m": {
   "gradient_pct": 23.40087739816454,
   "start_distance_m": 358.0,
   "end_distance_m": 363.0,
   "midpoint_distance_m": 360.5,
   "start_elevation_m": 440.8344218191634,
   "end_elevation_m": 442.00446568907165,
   "start_xy": [
    807232.5698247444,
    6575735.22002578
   ],
   "end_xy": [
    807229.6562615503,
    6575739.283417161
   ]
  },
  "max_10m": {
   "gradient_pct": 22.579988345759148,
   "start_distance_m": 353.0,
   "end_distance_m": 363.0,
   "midpoint_distance_m": 358.0,
   "start_elevation_m": 439.74646685449574,
   "end_elevation_m": 442.00446568907165,
   "start_xy": [
    807235.4833879386,
    6575731.156634399
   ],
   "end_xy": [
    807229.6562615503,
    6575739.283417161
   ]
  },
  "max_20m": {
   "gradient_pct": 21.38824864713996,
   "start_distance_m": 343.0,
   "end_distance_m": 363.0,
   "midpoint_distance_m": 353.0,
   "start_elevation_m": 437.72681595964366,
   "end_elevation_m": 442.00446568907165,
   "start_xy": [
    807241.2760296555,
    6575723.008384223
   ],
   "end_xy": [
    807229.6562615503,
    6575739.283417161
   ]
  },
  "max_25m": {
   "gradient_pct": 21.084809158094686,
   "start_distance_m": 341.0,
   "end_distance_m": 366.0,
   "midpoint_distance_m": 353.5,
   "start_elevation_m": 437.32305974171993,
   "end_elevation_m": 442.5942620312436,
   "start_xy": [
    807242.220043718,
    6575721.245194656
   ],
   "end_xy": [
    807227.9081236338,
    6575741.721451989
   ]
  },
  "max_50m": {
   "gradient_pct": 19.93214368974168,
   "start_distance_m": 334.0,
   "end_distance_m": 384.0,
   "midpoint_distance_m": 359.0,
   "start_elevation_m": 435.9892224363632,
   "end_elevation_m": 445.95529428123405,
   "start_xy": [
    807245.5240929368,
    6575715.074031171
   ],
   "end_xy": [
    807217.6816946166,
    6575756.531894434
   ]
  },
  "max_100m": {
   "gradient_pct": 17.519135985131413,
   "start_distance_m": 325.0,
   "end_distance_m": 425.0,
   "midpoint_distance_m": 375.0,
   "start_elevation_m": 434.60234911155874,
   "end_elevation_m": 452.12148509669015,
   "start_xy": [
    807249.748434198,
    6575707.127672612
   ],
   "end_xy": [
    807197.9564793543,
    6575792.304420825
   ]
  }
 },
 "window_minima": {
  "min_5m": {
   "gradient_pct": -1.6495175352304159,
   "start_distance_m": 536.0,
   "end_distance_m": 541.0,
   "midpoint_distance_m": 538.5,
   "start_elevation_m": 462.05265830528225,
   "end_elevation_m": 461.97018242852073,
   "start_xy": [
    807178.0082798414,
    6575900.301867821
   ],
   "end_xy": [
    807174.9682874352,
    6575904.2706224285
   ]
  },
  "min_10m": {
   "gradient_pct": -1.5872353123836547,
   "start_distance_m": 536.0,
   "end_distance_m": 546.0,
   "midpoint_distance_m": 541.0,
   "start_elevation_m": 462.05265830528225,
   "end_elevation_m": 461.8939347740439,
   "start_xy": [
    807178.0082798414,
    6575900.301867821
   ],
   "end_xy": [
    807171.6673067367,
    6575908.026088635
   ]
  },
  "min_20m": {
   "gradient_pct": -1.1111224457044955,
   "start_distance_m": 535.0,
   "end_distance_m": 555.0,
   "midpoint_distance_m": 545.0,
   "start_elevation_m": 462.0576074221918,
   "end_elevation_m": 461.8353829330509,
   "start_xy": [
    807178.6128631498,
    6575899.505325906
   ],
   "end_xy": [
    807165.6741380859,
    6575914.735656402
   ]
  },
  "min_25m": {
   "gradient_pct": -0.9895283066630327,
   "start_distance_m": 536.0,
   "end_distance_m": 561.0,
   "midpoint_distance_m": 548.5,
   "start_elevation_m": 462.05265830528225,
   "end_elevation_m": 461.8052762286165,
   "start_xy": [
    807178.0082798414,
    6575900.301867821
   ],
   "end_xy": [
    807161.2568876779,
    6575918.79618578
   ]
  },
  "min_50m": {
   "gradient_pct": -0.4095612614195261,
   "start_distance_m": 535.0,
   "end_distance_m": 585.0,
   "midpoint_distance_m": 560.0,
   "start_elevation_m": 462.0576074221918,
   "end_elevation_m": 461.852826791482,
   "start_xy": [
    807178.6128631498,
    6575899.505325906
   ],
   "end_xy": [
    807143.45016782,
    6575934.877797612
   ]
  },
  "min_100m": {
   "gradient_pct": 1.8570711065672754,
   "start_distance_m": 529.0,
   "end_distance_m": 629.0,
   "midpoint_distance_m": 579.0,
   "start_elevation_m": 461.86301390514933,
   "end_elevation_m": 463.7200850117166,
   "start_xy": [
    807181.9912066098,
    6575894.606839704
   ],
   "end_xy": [
    807109.097021661,
    6575962.370730322
   ]
  }
 },
 "diagnostic_window_maxima": {
  "max_2m": {
   "gradient_pct": 25.009365501827574,
   "start_distance_m": 361.0,
   "end_distance_m": 363.0,
   "midpoint_distance_m": 362.0,
   "start_elevation_m": 441.5042783790351,
   "end_elevation_m": 442.00446568907165,
   "start_xy": [
    807230.8216868279,
    6575737.658060608
   ],
   "end_xy": [
    807229.6562615503,
    6575739.283417161
   ]
  },
  "max_3m": {
   "gradient_pct": 24.18227121325837,
   "start_distance_m": 360.0,
   "end_distance_m": 363.0,
   "midpoint_distance_m": 361.5,
   "start_elevation_m": 441.2789975526739,
   "end_elevation_m": 442.00446568907165,
   "start_xy": [
    807231.4043994668,
    6575736.845382332
   ],
   "end_xy": [
    807229.6562615503,
    6575739.283417161
   ]
  }
 },
 "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": {
  "structure_suppression": {
   "masked_fraction": 0.057,
   "windows_resited": [
    2.0,
    3.0
   ],
   "windows_unresolved": [],
   "minima_resited": [],
   "minima_unresolved": []
  },
  "no_bench_suppression": {
   "masked_fraction": 0.158,
   "windows_resited": [],
   "windows_unresolved": [],
   "minima_resited": [
    2.0
   ],
   "minima_unresolved": []
  },
  "overhead_obstruction": {
   "obstruction_threshold_m": 2.0,
   "obstructed_fraction": 0.238,
   "obstruction_max_height_m": 20.76,
   "flagged_windows_m": [
    2,
    3,
    5,
    50
   ]
  },
  "excluded_ranges_m": [
   [
    0.0,
    140.0
   ]
  ],
  "review": [],
  "extent": [
   "may_start_earlier",
   "may_continue_beyond_end"
  ]
 },
 "provenance": {
  "analysis_version": "0.1.0",
  "run_manifest": {
   "manifest_version": "1",
   "code_git_sha": "076a8e7f889cfb3c2cf6b3de65a6030c7155b1f0",
   "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-mc7",
   "road_pbf": "block-batch-fr-mc7.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:af4eae1f5df9e232"
  },
  "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_E806-N6575_0m5@21LHD5NK-2025-02-20.tif",
   "data/cache/fr/ign-lidarhd_dtm_E806-N6576_0m5@21LHD5NK-2025-02-20.tif",
   "data/cache/fr/ign-lidarhd_dtm_E807-N6575_0m5@21LHD5NK-2025-02-20.tif",
   "data/cache/fr/ign-lidarhd_dtm_E807-N6576_0m5@21LHD5NK-2025-02-20.tif"
  ],
  "calculated_at": "2026-09-22T13:07:31+00:00",
  "road_source": "OpenStreetMap (local PBF extract)",
  "road_attribution": "\u00a9 OpenStreetMap contributors, ODbL",
  "osm_pbf_path": "data/cache/pbf/block-batch-fr-mc7.osm.pbf",
  "osm_snapshot": "",
  "run_id": "fr-mc7",
  "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": [
   "E806-N6575",
   "E806-N6576",
   "E807-N6575",
   "E807-N6576"
  ],
  "elevation_blocks": [
   "21LHD5NK@2025-02-20"
  ],
  "ign_dalles": [
   "LHD_FXX_0806_6576_MNT_O_0M50_LAMB93_IGN69",
   "LHD_FXX_0806_6577_MNT_O_0M50_LAMB93_IGN69",
   "LHD_FXX_0807_6576_MNT_O_0M50_LAMB93_IGN69",
   "LHD_FXX_0807_6577_MNT_O_0M50_LAMB93_IGN69"
  ],
  "ign_missions": [
   "21LHD5NK"
  ],
  "ign_editions": [
   "2025-02-20"
  ],
  "ign_dsm_edition": {
   "LHD_FXX_0806_6576_MNT_O_0M50_LAMB93_IGN69": "2025-02-20",
   "LHD_FXX_0806_6577_MNT_O_0M50_LAMB93_IGN69": "2025-02-20",
   "LHD_FXX_0807_6576_MNT_O_0M50_LAMB93_IGN69": "2025-02-20",
   "LHD_FXX_0807_6577_MNT_O_0M50_LAMB93_IGN69": "2025-02-20"
  },
  "climb_origin": "discovered",
  "structure_own_ways": 1,
  "structure_mask_ranges_m": [
   [
    0.0,
    15.1
   ]
  ],
  "mask_basin_extension_m": 30.0,
  "carriageway": {
   "stations": 42,
   "stations_resolved": 42,
   "width_median_m": 3.0,
   "width_p10_m": 2.25,
   "width_min_m": 1.75,
   "width_max_m": 11.25,
   "bounded_share": 0.5,
   "unbounded_share": 0.5,
   "confidence_median": 0.26,
   "width_median_bounded_m": 2.75,
   "window_m": [
    341.0,
    366.0
   ],
   "width_at_max25_m": 2.75,
   "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": 42,
    "stations_resolved": 42,
    "width_median_m": 4.25,
    "width_p10_m": 1.0,
    "width_min_m": 0.5,
    "width_max_m": 12.0,
    "bounded_share": 0.857,
    "unbounded_share": 0.143,
    "confidence_median": 1.0,
    "width_median_bounded_m": 4.0,
    "window_m": [
     341.0,
     366.0
    ],
    "width_at_max25_m": 4.0,
    "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": "Aigueperse",
  "county": "Rh\u00f4ne",
  "source": "OpenStreetMap administrative boundaries (\u00a9 OpenStreetMap contributors, ODbL)"
 }
}