{
 "ocl_version": "0.1.0",
 "name": "C\u00f4te de Jordy",
 "slug": "cote-de-jordy",
 "confidence": "U",
 "reported_claims": [],
 "ladder": [
  {
   "window_m": 2.0,
   "max_gradient_pct": 39.62306273954255,
   "diagnostic": true,
   "flags": [
    "canopy_or_structure"
   ],
   "start_distance_m": 686.0,
   "end_distance_m": 688.0,
   "start_elevation_m": 272.0233142754508,
   "end_elevation_m": 272.81577553024164,
   "min_gradient_pct": -6.011353635199157
  },
  {
   "window_m": 3.0,
   "max_gradient_pct": 35.63998259863865,
   "diagnostic": true,
   "flags": [
    "canopy_or_structure"
   ],
   "start_distance_m": 686.0,
   "end_distance_m": 689.0,
   "start_elevation_m": 272.0233142754508,
   "end_elevation_m": 273.09251375340995,
   "min_gradient_pct": -3.8897938556052245
  },
  {
   "window_m": 5.0,
   "max_gradient_pct": 32.63139836806772,
   "diagnostic": false,
   "flags": [
    "canopy_or_structure"
   ],
   "start_distance_m": 684.0,
   "end_distance_m": 689.0,
   "start_elevation_m": 271.46094383500656,
   "end_elevation_m": 273.09251375340995,
   "min_gradient_pct": -0.8671837979392194
  },
  {
   "window_m": 10.0,
   "max_gradient_pct": 24.402550992300007,
   "diagnostic": false,
   "flags": [
    "canopy_or_structure"
   ],
   "start_distance_m": 563.0,
   "end_distance_m": 573.0,
   "start_elevation_m": 250.7209978613721,
   "end_elevation_m": 253.1612529606021,
   "min_gradient_pct": -0.5008132607170523
  },
  {
   "window_m": 20.0,
   "max_gradient_pct": 23.898870405985235,
   "diagnostic": false,
   "flags": [
    "canopy_or_structure"
   ],
   "start_distance_m": 553.0,
   "end_distance_m": 573.0,
   "start_elevation_m": 248.38147887940505,
   "end_elevation_m": 253.1612529606021,
   "min_gradient_pct": -0.1726286564775137
  },
  {
   "window_m": 25.0,
   "max_gradient_pct": 23.701357073493455,
   "diagnostic": false,
   "flags": [
    "canopy_or_structure"
   ],
   "start_distance_m": 553.0,
   "end_distance_m": 578.0,
   "start_elevation_m": 248.38147887940505,
   "end_elevation_m": 254.30681814777842,
   "min_gradient_pct": 0.37819781021664767
  },
  {
   "window_m": 50.0,
   "max_gradient_pct": 22.38603245470239,
   "diagnostic": false,
   "flags": [
    "canopy_or_structure"
   ],
   "start_distance_m": 540.0,
   "end_distance_m": 590.0,
   "start_elevation_m": 245.64879764790433,
   "end_elevation_m": 256.8418138752555,
   "min_gradient_pct": 3.2620462785308746
  },
  {
   "window_m": 100.0,
   "max_gradient_pct": 20.245528282173808,
   "diagnostic": false,
   "flags": [
    "canopy_or_structure"
   ],
   "start_distance_m": 507.0,
   "end_distance_m": 607.0,
   "start_elevation_m": 239.70314304403686,
   "end_elevation_m": 259.9486713262107,
   "min_gradient_pct": 5.10740076000252
  }
 ],
 "shape": {
  "ascent_concentration": 0.38,
  "concentration_window_frac": 0.25,
  "longest_pitch_10pct_m": 439.0,
  "shape_class": "sustained"
 },
 "length_m": 959.648848676435,
 "start_elevation_m": 186.43552299511998,
 "end_elevation_m": 298.7842211035152,
 "endpoint_gain_m": 112.34869810839524,
 "overall_gradient_pct": 11.707271702909724,
 "accumulated_ascent_m": 112.66752520388604,
 "window_maxima": {
  "max_5m": {
   "gradient_pct": 32.63139836806772,
   "start_distance_m": 684.0,
   "end_distance_m": 689.0,
   "midpoint_distance_m": 686.5,
   "start_elevation_m": 271.46094383500656,
   "end_elevation_m": 273.09251375340995,
   "start_xy": [
    561073.2690981347,
    6393539.195803486
   ],
   "end_xy": [
    561072.5228940351,
    6393544.1389977485
   ]
  },
  "max_10m": {
   "gradient_pct": 24.402550992300007,
   "start_distance_m": 563.0,
   "end_distance_m": 573.0,
   "midpoint_distance_m": 568.0,
   "start_elevation_m": 250.7209978613721,
   "end_elevation_m": 253.1612529606021,
   "start_xy": [
    561013.2901184609,
    6393437.231885715
   ],
   "end_xy": [
    561020.715421913,
    6393443.930009978
   ]
  },
  "max_20m": {
   "gradient_pct": 23.898870405985235,
   "start_distance_m": 553.0,
   "end_distance_m": 573.0,
   "midpoint_distance_m": 563.0,
   "start_elevation_m": 248.38147887940505,
   "end_elevation_m": 253.1612529606021,
   "start_xy": [
    561005.8225054309,
    6393430.581501206
   ],
   "end_xy": [
    561020.715421913,
    6393443.930009978
   ]
  },
  "max_25m": {
   "gradient_pct": 23.701357073493455,
   "start_distance_m": 553.0,
   "end_distance_m": 578.0,
   "midpoint_distance_m": 565.5,
   "start_elevation_m": 248.38147887940505,
   "end_elevation_m": 254.30681814777842,
   "start_xy": [
    561005.8225054309,
    6393430.581501206
   ],
   "end_xy": [
    561024.4280736389,
    6393447.27907211
   ]
  },
  "max_50m": {
   "gradient_pct": 22.38603245470239,
   "start_distance_m": 540.0,
   "end_distance_m": 590.0,
   "midpoint_distance_m": 565.0,
   "start_elevation_m": 245.64879764790433,
   "end_elevation_m": 256.8418138752555,
   "start_xy": [
    560996.0180777857,
    6393422.04492118
   ],
   "end_xy": [
    561032.2342055487,
    6393456.270658429
   ]
  },
  "max_100m": {
   "gradient_pct": 20.245528282173808,
   "start_distance_m": 507.0,
   "end_distance_m": 607.0,
   "midpoint_distance_m": 557.0,
   "start_elevation_m": 239.70314304403686,
   "end_elevation_m": 259.9486713262107,
   "start_xy": [
    560968.124581839,
    6393405.005656546
   ],
   "end_xy": [
    561041.6484254528,
    6393470.425097112
   ]
  }
 },
 "window_minima": {
  "min_5m": {
   "gradient_pct": -0.8671837979392194,
   "start_distance_m": 336.0,
   "end_distance_m": 341.0,
   "midpoint_distance_m": 338.5,
   "start_elevation_m": 219.60059676322072,
   "end_elevation_m": 219.55723757332376,
   "start_xy": [
    560806.5097891188,
    6393444.755436401
   ],
   "end_xy": [
    560810.6012257303,
    6393441.881389349
   ]
  },
  "min_10m": {
   "gradient_pct": -0.5008132607170523,
   "start_distance_m": 337.0,
   "end_distance_m": 347.0,
   "midpoint_distance_m": 342.0,
   "start_elevation_m": 219.59015929666003,
   "end_elevation_m": 219.54007797058833,
   "start_xy": [
    560807.3280764411,
    6393444.18062699
   ],
   "end_xy": [
    560815.510949664,
    6393438.432532887
   ]
  },
  "min_20m": {
   "gradient_pct": -0.1726286564775137,
   "start_distance_m": 335.0,
   "end_distance_m": 355.0,
   "midpoint_distance_m": 345.0,
   "start_elevation_m": 219.5921309552127,
   "end_elevation_m": 219.5576052239172,
   "start_xy": [
    560805.995834558,
    6393445.564709219
   ],
   "end_xy": [
    560822.3704621231,
    6393434.338162815
   ]
  },
  "min_25m": {
   "gradient_pct": 0.37819781021664767,
   "start_distance_m": 333.0,
   "end_distance_m": 358.0,
   "midpoint_distance_m": 345.5,
   "start_elevation_m": 219.53117151933046,
   "end_elevation_m": 219.62572097188462,
   "start_xy": [
    560805.3016723525,
    6393447.440379455
   ],
   "end_xy": [
    560825.0038778565,
    6393432.901109728
   ]
  },
  "min_50m": {
   "gradient_pct": 3.2620462785308746,
   "start_distance_m": 312.0,
   "end_distance_m": 362.0,
   "midpoint_distance_m": 337.0,
   "start_elevation_m": 218.1806352129766,
   "end_elevation_m": 219.81165835224203,
   "start_xy": [
    560795.5217448678,
    6393465.600053447
   ],
   "end_xy": [
    560828.5150988344,
    6393430.985038945
   ]
  },
  "min_100m": {
   "gradient_pct": 5.10740076000252,
   "start_distance_m": 821.0,
   "end_distance_m": 921.0,
   "midpoint_distance_m": 871.0,
   "start_elevation_m": 290.8245419458598,
   "end_elevation_m": 295.9319427058623,
   "start_xy": [
    561129.9227383512,
    6393653.703711023
   ],
   "end_xy": [
    561191.1589537069,
    6393728.790659337
   ]
  }
 },
 "diagnostic_window_maxima": {
  "max_2m": {
   "gradient_pct": 39.62306273954255,
   "start_distance_m": 686.0,
   "end_distance_m": 688.0,
   "midpoint_distance_m": 687.0,
   "start_elevation_m": 272.0233142754508,
   "end_elevation_m": 272.81577553024164,
   "start_xy": [
    561072.9889959063,
    6393541.176092036
   ],
   "end_xy": [
    561072.7060884398,
    6393543.155921043
   ]
  },
  "max_3m": {
   "gradient_pct": 35.63998259863865,
   "start_distance_m": 686.0,
   "end_distance_m": 689.0,
   "midpoint_distance_m": 687.5,
   "start_elevation_m": 272.0233142754508,
   "end_elevation_m": 273.09251375340995,
   "start_xy": [
    561072.9889959063,
    6393541.176092036
   ],
   "end_xy": [
    561072.5228940351,
    6393544.1389977485
   ]
  }
 },
 "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": 0.56,
   "obstruction_max_height_m": 30.65,
   "flagged_windows_m": [
    2,
    3,
    5,
    10,
    20,
    25,
    50,
    100
   ]
  },
  "review": [
   "short_window_divergence"
  ],
  "extent": [
   "may_continue_beyond_end"
  ]
 },
 "provenance": {
  "analysis_version": "0.1.0",
  "run_manifest": {
   "manifest_version": "1",
   "code_git_sha": "1cc9fdcd6556a02163cb21acb2293cad3067d2a1",
   "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-mc1",
   "road_pbf": "block-batch-fr-mc1.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_E560-N6393_0m5@21LHD2IN-2025-03-14.tif",
   "data/cache/fr/ign-lidarhd_dtm_E561-N6393_0m5@21LHD2IN-2025-03-14.tif"
  ],
  "calculated_at": "2026-09-22T14:54:13+00:00",
  "road_source": "OpenStreetMap (local PBF extract)",
  "road_attribution": "\u00a9 OpenStreetMap contributors, ODbL",
  "osm_pbf_path": "data/cache/pbf/block-batch-fr-mc1.osm.pbf",
  "osm_snapshot": "",
  "run_id": "fr-mc1",
  "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": [
   "E560-N6393",
   "E561-N6393"
  ],
  "elevation_blocks": [
   "21LHD2IN@2025-03-14"
  ],
  "ign_dalles": [
   "LHD_FXX_0560_6394_MNT_O_0M50_LAMB93_IGN69",
   "LHD_FXX_0561_6394_MNT_O_0M50_LAMB93_IGN69"
  ],
  "ign_missions": [
   "21LHD2IN"
  ],
  "ign_editions": [
   "2025-03-14"
  ],
  "ign_dsm_edition": {
   "LHD_FXX_0560_6394_MNT_O_0M50_LAMB93_IGN69": "2025-03-14",
   "LHD_FXX_0561_6394_MNT_O_0M50_LAMB93_IGN69": "2025-03-14"
  },
  "climb_origin": "discovered",
  "structure_own_ways": 1,
  "carriageway": {
   "stations": 45,
   "stations_resolved": 45,
   "width_median_m": 5.0,
   "width_p10_m": 3.75,
   "width_min_m": 1.25,
   "width_max_m": 11.5,
   "bounded_share": 0.289,
   "unbounded_share": 0.711,
   "confidence_median": 0.0,
   "width_median_bounded_m": 4.5,
   "window_m": [
    553.0,
    578.0
   ],
   "width_at_max25_m": 5.75,
   "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": 45,
    "stations_resolved": 45,
    "width_median_m": 3.25,
    "width_p10_m": 0.75,
    "width_min_m": 0.5,
    "width_max_m": 12.0,
    "bounded_share": 0.911,
    "unbounded_share": 0.089,
    "confidence_median": 1.0,
    "width_median_bounded_m": 2.75,
    "window_m": [
     553.0,
     578.0
    ],
    "width_at_max25_m": 2.25,
    "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": "Gindou",
  "county": "Lot",
  "source": "OpenStreetMap administrative boundaries (\u00a9 OpenStreetMap contributors, ODbL)"
 }
}