{
 "ocl_version": "0.1.0",
 "name": "Route des Cr\u00eates",
 "slug": "route-des-cretes-4",
 "confidence": "A",
 "reported_claims": [],
 "ladder": [
  {
   "window_m": 2.0,
   "max_gradient_pct": 34.42473116219276,
   "diagnostic": true,
   "flags": [],
   "start_distance_m": 623.0,
   "end_distance_m": 625.0,
   "start_elevation_m": 108.23187120366089,
   "end_elevation_m": 108.92036582690474,
   "min_gradient_pct": -11.961634023316492
  },
  {
   "window_m": 3.0,
   "max_gradient_pct": 26.378991175977735,
   "diagnostic": true,
   "flags": [],
   "start_distance_m": 623.0,
   "end_distance_m": 626.0,
   "start_elevation_m": 108.23187120366089,
   "end_elevation_m": 109.02324093894022,
   "min_gradient_pct": -3.6592633233543856
  },
  {
   "window_m": 5.0,
   "max_gradient_pct": 24.416081401008114,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 1390.0,
   "end_distance_m": 1395.0,
   "start_elevation_m": 198.32831021924125,
   "end_elevation_m": 199.54911428929165,
   "min_gradient_pct": -2.199354091409873
  },
  {
   "window_m": 10.0,
   "max_gradient_pct": 23.97614555034778,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 1385.0,
   "end_distance_m": 1395.0,
   "start_elevation_m": 197.15149973425687,
   "end_elevation_m": 199.54911428929165,
   "min_gradient_pct": -2.121887397680098
  },
  {
   "window_m": 20.0,
   "max_gradient_pct": 23.36160657387481,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 1383.0,
   "end_distance_m": 1403.0,
   "start_elevation_m": 196.69396945765249,
   "end_elevation_m": 201.36629077242745,
   "min_gradient_pct": -1.9438026128382546
  },
  {
   "window_m": 25.0,
   "max_gradient_pct": 23.00064654621883,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 1381.0,
   "end_distance_m": 1406.0,
   "start_elevation_m": 196.26785202594533,
   "end_elevation_m": 202.01801366250004,
   "min_gradient_pct": -1.8733258153216639
  },
  {
   "window_m": 50.0,
   "max_gradient_pct": 21.228762343656285,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 1371.0,
   "end_distance_m": 1421.0,
   "start_elevation_m": 194.31068499965366,
   "end_elevation_m": 204.9250661714818,
   "min_gradient_pct": -1.5304878154310586
  },
  {
   "window_m": 100.0,
   "max_gradient_pct": 18.85117149362725,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 1320.0,
   "end_distance_m": 1420.0,
   "start_elevation_m": 185.88750862182826,
   "end_elevation_m": 204.7386801154555,
   "min_gradient_pct": 0.0023514915845908035
  }
 ],
 "shape": {
  "ascent_concentration": 0.377,
  "concentration_window_frac": 0.25,
  "longest_pitch_10pct_m": 466.0,
  "shape_class": "sustained"
 },
 "length_m": 1471.3134675778035,
 "start_elevation_m": 40.149988188684816,
 "end_elevation_m": 211.62107734108062,
 "endpoint_gain_m": 171.4710891523958,
 "overall_gradient_pct": 11.654286658211966,
 "accumulated_ascent_m": 172.65337484878378,
 "window_maxima": {
  "max_5m": {
   "gradient_pct": 24.416081401008114,
   "start_distance_m": 1390.0,
   "end_distance_m": 1395.0,
   "midpoint_distance_m": 1392.5,
   "start_elevation_m": 198.32831021924125,
   "end_elevation_m": 199.54911428929165,
   "start_xy": [
    908153.2162532544,
    6237630.974332853
   ],
   "end_xy": [
    908157.8920097776,
    6237629.24269236
   ]
  },
  "max_10m": {
   "gradient_pct": 23.97614555034778,
   "start_distance_m": 1385.0,
   "end_distance_m": 1395.0,
   "midpoint_distance_m": 1390.0,
   "start_elevation_m": 197.15149973425687,
   "end_elevation_m": 199.54911428929165,
   "start_xy": [
    908148.9522950847,
    6237633.545814227
   ],
   "end_xy": [
    908157.8920097776,
    6237629.24269236
   ]
  },
  "max_20m": {
   "gradient_pct": 23.36160657387481,
   "start_distance_m": 1383.0,
   "end_distance_m": 1403.0,
   "midpoint_distance_m": 1393.0,
   "start_elevation_m": 196.69396945765249,
   "end_elevation_m": 201.36629077242745,
   "start_xy": [
    908147.3989238144,
    6237634.805591072
   ],
   "end_xy": [
    908165.5506327298,
    6237626.990981553
   ]
  },
  "max_25m": {
   "gradient_pct": 23.00064654621883,
   "start_distance_m": 1381.0,
   "end_distance_m": 1406.0,
   "midpoint_distance_m": 1393.5,
   "start_elevation_m": 196.26785202594533,
   "end_elevation_m": 202.01801366250004,
   "start_xy": [
    908145.8921392465,
    6237636.12065263
   ],
   "end_xy": [
    908168.5300836063,
    6237626.64044985
   ]
  },
  "max_50m": {
   "gradient_pct": 21.228762343656285,
   "start_distance_m": 1371.0,
   "end_distance_m": 1421.0,
   "midpoint_distance_m": 1396.0,
   "start_elevation_m": 194.31068499965366,
   "end_elevation_m": 204.9250661714818,
   "start_xy": [
    908138.3677250819,
    6237642.707244426
   ],
   "end_xy": [
    908183.4273379886,
    6237624.8877913365
   ]
  },
  "max_100m": {
   "gradient_pct": 18.85117149362725,
   "start_distance_m": 1320.0,
   "end_distance_m": 1420.0,
   "midpoint_distance_m": 1370.0,
   "start_elevation_m": 185.88750862182826,
   "end_elevation_m": 204.7386801154555,
   "start_xy": [
    908090.3841938713,
    6237655.618893142
   ],
   "end_xy": [
    908182.4341876964,
    6237625.004635237
   ]
  }
 },
 "window_minima": {
  "min_5m": {
   "gradient_pct": -2.199354091409873,
   "start_distance_m": 926.0,
   "end_distance_m": 931.0,
   "midpoint_distance_m": 928.5,
   "start_elevation_m": 132.46462709883747,
   "end_elevation_m": 132.35465939426697,
   "start_xy": [
    907857.2864860137,
    6237917.620951562
   ],
   "end_xy": [
    907859.681963386,
    6237913.232137581
   ]
  },
  "min_10m": {
   "gradient_pct": -2.121887397680098,
   "start_distance_m": 926.0,
   "end_distance_m": 936.0,
   "midpoint_distance_m": 931.0,
   "start_elevation_m": 132.46462709883747,
   "end_elevation_m": 132.25243835906946,
   "start_xy": [
    907857.2864860137,
    6237917.620951562
   ],
   "end_xy": [
    907862.0774407585,
    6237908.8433236005
   ]
  },
  "min_20m": {
   "gradient_pct": -1.9438026128382546,
   "start_distance_m": 921.0,
   "end_distance_m": 941.0,
   "midpoint_distance_m": 931.0,
   "start_elevation_m": 132.56228328738814,
   "end_elevation_m": 132.1735227648205,
   "start_xy": [
    907854.8680413335,
    6237921.991841778
   ],
   "end_xy": [
    907863.8388455849,
    6237904.191947197
   ]
  },
  "min_25m": {
   "gradient_pct": -1.8733258153216639,
   "start_distance_m": 919.0,
   "end_distance_m": 944.0,
   "midpoint_distance_m": 931.5,
   "start_elevation_m": 132.58855886334723,
   "end_elevation_m": 132.12022740951681,
   "start_xy": [
    907853.3979552721,
    6237923.347882696
   ],
   "end_xy": [
    907864.6839342536,
    6237901.313436272
   ]
  },
  "min_50m": {
   "gradient_pct": -1.5304878154310586,
   "start_distance_m": 899.0,
   "end_distance_m": 949.0,
   "midpoint_distance_m": 924.0,
   "start_elevation_m": 132.84520040036986,
   "end_elevation_m": 132.07995649265433,
   "start_xy": [
    907838.6970946582,
    6237936.90829188
   ],
   "end_xy": [
    907866.0924153683,
    6237896.515918065
   ]
  },
  "min_100m": {
   "gradient_pct": 0.0023514915845908035,
   "start_distance_m": 880.0,
   "end_distance_m": 980.0,
   "midpoint_distance_m": 930.0,
   "start_elevation_m": 132.60734023727582,
   "end_elevation_m": 132.6096917288604,
   "start_xy": [
    907824.7312770749,
    6237949.790680604
   ],
   "end_xy": [
    907866.6748858658,
    6237865.723933668
   ]
  }
 },
 "diagnostic_window_maxima": {
  "max_2m": {
   "gradient_pct": 34.42473116219276,
   "start_distance_m": 623.0,
   "end_distance_m": 625.0,
   "midpoint_distance_m": 624.0,
   "start_elevation_m": 108.23187120366089,
   "end_elevation_m": 108.92036582690474,
   "start_xy": [
    907755.7306757718,
    6238194.547335124
   ],
   "end_xy": [
    907756.3822326177,
    6238192.656442828
   ]
  },
  "max_3m": {
   "gradient_pct": 26.378991175977735,
   "start_distance_m": 623.0,
   "end_distance_m": 626.0,
   "midpoint_distance_m": 624.5,
   "start_elevation_m": 108.23187120366089,
   "end_elevation_m": 109.02324093894022,
   "start_xy": [
    907755.7306757718,
    6238194.547335124
   ],
   "end_xy": [
    907756.7080110406,
    6238191.710996679
   ]
  }
 },
 "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": 0.113,
   "obstruction_max_height_m": 16.6,
   "flagged_windows_m": []
  },
  "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-pr3",
   "road_pbf": "block-batch-fr-pr3.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_E907-N6237_0m5@21LHD7PQ-2025-03-14.tif",
   "data/cache/fr/ign-lidarhd_dtm_E907-N6238_0m5@21LHD7PQ-2025-03-14.tif",
   "data/cache/fr/ign-lidarhd_dtm_E908-N6237_0m5@21LHD7PQ-2025-03-14.tif",
   "data/cache/fr/ign-lidarhd_dtm_E908-N6238_0m5@21LHD7PQ-2025-03-14.tif"
  ],
  "calculated_at": "2026-09-25T09:16:03+00:00",
  "road_source": "OpenStreetMap (local PBF extract)",
  "road_attribution": "\u00a9 OpenStreetMap contributors, ODbL",
  "osm_pbf_path": "data/cache/pbf/block-batch-fr-pr3.osm.pbf",
  "osm_snapshot": "",
  "run_id": "fr-pr3",
  "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": [
   "E907-N6237",
   "E907-N6238",
   "E908-N6237",
   "E908-N6238"
  ],
  "elevation_blocks": [
   "21LHD7PQ@2025-03-14"
  ],
  "ign_dalles": [
   "LHD_FXX_0907_6238_MNT_O_0M50_LAMB93_IGN69",
   "LHD_FXX_0907_6239_MNT_O_0M50_LAMB93_IGN69",
   "LHD_FXX_0908_6238_MNT_O_0M50_LAMB93_IGN69",
   "LHD_FXX_0908_6239_MNT_O_0M50_LAMB93_IGN69"
  ],
  "ign_missions": [
   "21LHD7PQ"
  ],
  "ign_editions": [
   "2025-03-14"
  ],
  "ign_dsm_edition": {
   "LHD_FXX_0907_6238_MNT_O_0M50_LAMB93_IGN69": "2025-03-14",
   "LHD_FXX_0907_6239_MNT_O_0M50_LAMB93_IGN69": "2025-03-14",
   "LHD_FXX_0908_6238_MNT_O_0M50_LAMB93_IGN69": "2025-03-14",
   "LHD_FXX_0908_6239_MNT_O_0M50_LAMB93_IGN69": "2025-03-14"
  },
  "climb_origin": "discovered",
  "structure_own_ways": 6,
  "carriageway": {
   "stations": 65,
   "stations_resolved": 65,
   "width_median_m": 8.0,
   "width_p10_m": 6.6,
   "width_min_m": 5.5,
   "width_max_m": 12.0,
   "bounded_share": 0.277,
   "unbounded_share": 0.723,
   "confidence_median": 0.0,
   "width_median_bounded_m": 7.62,
   "window_m": [
    1381.0,
    1406.0
   ],
   "width_at_max25_m": 8.0,
   "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": 65,
    "stations_resolved": 65,
    "width_median_m": 7.0,
    "width_p10_m": 0.85,
    "width_min_m": 0.5,
    "width_max_m": 12.0,
    "bounded_share": 0.862,
    "unbounded_share": 0.138,
    "confidence_median": 1.0,
    "width_median_bounded_m": 6.25,
    "window_m": [
     1381.0,
     1406.0
    ],
    "width_at_max25_m": 9.5,
    "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": "Cassis",
  "county": "Bouches-du-Rh\u00f4ne",
  "source": "OpenStreetMap administrative boundaries (\u00a9 OpenStreetMap contributors, ODbL)"
 }
}