{
 "ocl_version": "0.1.0",
 "name": "Avenue des M\u00e9sanges",
 "slug": "avenue-des-mesanges",
 "confidence": "B",
 "reported_claims": [],
 "ladder": [
  {
   "window_m": 2.0,
   "max_gradient_pct": 47.832416856940085,
   "diagnostic": true,
   "flags": [],
   "start_distance_m": 1547.0,
   "end_distance_m": 1549.0,
   "start_elevation_m": 278.3546169765182,
   "end_elevation_m": 279.311265313657,
   "min_gradient_pct": -29.615195446046982
  },
  {
   "window_m": 3.0,
   "max_gradient_pct": 37.700087787008364,
   "diagnostic": true,
   "flags": [],
   "start_distance_m": 1547.0,
   "end_distance_m": 1550.0,
   "start_elevation_m": 278.3546169765182,
   "end_elevation_m": 279.4856196101284,
   "min_gradient_pct": -25.413050493494893
  },
  {
   "window_m": 5.0,
   "max_gradient_pct": 29.395061025156792,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 1546.0,
   "end_distance_m": 1551.0,
   "start_elevation_m": 278.20340616828076,
   "end_elevation_m": 279.6731592195386,
   "min_gradient_pct": -19.20635543694516
  },
  {
   "window_m": 10.0,
   "max_gradient_pct": 22.338872595441615,
   "diagnostic": false,
   "flags": [
    "canopy_or_structure"
   ],
   "start_distance_m": 1344.0,
   "end_distance_m": 1354.0,
   "start_elevation_m": 248.79826262366413,
   "end_elevation_m": 251.0321498832083,
   "min_gradient_pct": -18.488525518048107
  },
  {
   "window_m": 20.0,
   "max_gradient_pct": 20.808378708885584,
   "diagnostic": false,
   "flags": [
    "canopy_or_structure"
   ],
   "start_distance_m": 1529.0,
   "end_distance_m": 1549.0,
   "start_elevation_m": 275.14958957187986,
   "end_elevation_m": 279.311265313657,
   "min_gradient_pct": -16.922275612242856
  },
  {
   "window_m": 25.0,
   "max_gradient_pct": 20.114083521967586,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 1525.0,
   "end_distance_m": 1550.0,
   "start_elevation_m": 274.4570987296365,
   "end_elevation_m": 279.4856196101284,
   "min_gradient_pct": -16.270409456572224
  },
  {
   "window_m": 50.0,
   "max_gradient_pct": 17.878398705785685,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 1499.0,
   "end_distance_m": 1549.0,
   "start_elevation_m": 270.37206596076413,
   "end_elevation_m": 279.311265313657,
   "min_gradient_pct": -14.590140442363577
  },
  {
   "window_m": 100.0,
   "max_gradient_pct": 16.67042695741577,
   "diagnostic": false,
   "flags": [
    "canopy_or_structure"
   ],
   "start_distance_m": 985.0,
   "end_distance_m": 1085.0,
   "start_elevation_m": 198.8110100715033,
   "end_elevation_m": 215.48143702891906,
   "min_gradient_pct": -9.867074184443226
  }
 ],
 "shape": {
  "ascent_concentration": 0.367,
  "concentration_window_frac": 0.25,
  "longest_pitch_10pct_m": 569.0,
  "shape_class": "sustained"
 },
 "length_m": 1559.6264967350103,
 "start_elevation_m": 133.79606658542951,
 "end_elevation_m": 279.2122758888889,
 "endpoint_gain_m": 145.41620930345937,
 "overall_gradient_pct": 9.32378422704923,
 "accumulated_ascent_m": 158.1696555480534,
 "window_maxima": {
  "max_5m": {
   "gradient_pct": 29.395061025156792,
   "start_distance_m": 1546.0,
   "end_distance_m": 1551.0,
   "midpoint_distance_m": 1548.5,
   "start_elevation_m": 278.20340616828076,
   "end_elevation_m": 279.6731592195386,
   "start_xy": [
    943947.2517745744,
    6233131.160823877
   ],
   "end_xy": [
    943946.0418371572,
    6233136.012220717
   ]
  },
  "max_10m": {
   "gradient_pct": 22.338872595441615,
   "start_distance_m": 1344.0,
   "end_distance_m": 1354.0,
   "midpoint_distance_m": 1349.0,
   "start_elevation_m": 248.79826262366413,
   "end_elevation_m": 251.0321498832083,
   "start_xy": [
    943923.9576029578,
    6233042.176173072
   ],
   "end_xy": [
    943922.8240019124,
    6233052.04509898
   ]
  },
  "max_20m": {
   "gradient_pct": 20.808378708885584,
   "start_distance_m": 1529.0,
   "end_distance_m": 1549.0,
   "midpoint_distance_m": 1539.0,
   "start_elevation_m": 275.14958957187986,
   "end_elevation_m": 279.311265313657,
   "start_xy": [
    943953.1893804175,
    6233115.310385979
   ],
   "end_xy": [
    943946.5259191856,
    6233134.071688689
   ]
  },
  "max_25m": {
   "gradient_pct": 20.114083521967586,
   "start_distance_m": 1525.0,
   "end_distance_m": 1550.0,
   "midpoint_distance_m": 1537.5,
   "start_elevation_m": 274.4570987296365,
   "end_elevation_m": 279.4856196101284,
   "start_xy": [
    943954.8740873594,
    6233111.68247163
   ],
   "end_xy": [
    943946.2839673894,
    6233135.041976959
   ]
  },
  "max_50m": {
   "gradient_pct": 17.878398705785685,
   "start_distance_m": 1499.0,
   "end_distance_m": 1549.0,
   "midpoint_distance_m": 1524.0,
   "start_elevation_m": 270.37206596076413,
   "end_elevation_m": 279.311265313657,
   "start_xy": [
    943965.824682482,
    6233088.101028365
   ],
   "end_xy": [
    943946.5259191856,
    6233134.071688689
   ]
  },
  "max_100m": {
   "gradient_pct": 16.67042695741577,
   "start_distance_m": 985.0,
   "end_distance_m": 1085.0,
   "midpoint_distance_m": 1035.0,
   "start_elevation_m": 198.8110100715033,
   "end_elevation_m": 215.48143702891906,
   "start_xy": [
    943720.3459780862,
    6232945.571294645
   ],
   "end_xy": [
    943816.5750810837,
    6232971.3509836495
   ]
  }
 },
 "window_minima": {
  "min_5m": {
   "gradient_pct": -19.20635543694516,
   "start_distance_m": 487.0,
   "end_distance_m": 492.0,
   "midpoint_distance_m": 489.5,
   "start_elevation_m": 155.56532772149586,
   "end_elevation_m": 154.6050099496486,
   "start_xy": [
    943253.4929745966,
    6232844.107694571
   ],
   "end_xy": [
    943258.4785618477,
    6232844.299087625
   ]
  },
  "min_10m": {
   "gradient_pct": -18.488525518048107,
   "start_distance_m": 487.0,
   "end_distance_m": 497.0,
   "midpoint_distance_m": 492.0,
   "start_elevation_m": 155.56532772149586,
   "end_elevation_m": 153.71647516969105,
   "start_xy": [
    943253.4929745966,
    6232844.107694571
   ],
   "end_xy": [
    943263.2564095679,
    6232845.772916368
   ]
  },
  "min_20m": {
   "gradient_pct": -16.922275612242856,
   "start_distance_m": 480.0,
   "end_distance_m": 500.0,
   "midpoint_distance_m": 490.0,
   "start_elevation_m": 156.6140269620072,
   "end_elevation_m": 153.22957183955862,
   "start_xy": [
    943246.9346806001,
    6232846.205055099
   ],
   "end_xy": [
    943266.1231182,
    6232846.657213613
   ]
  },
  "min_25m": {
   "gradient_pct": -16.270409456572224,
   "start_distance_m": 478.0,
   "end_distance_m": 503.0,
   "midpoint_distance_m": 490.5,
   "start_elevation_m": 156.8925385620564,
   "end_elevation_m": 152.82493619791333,
   "start_xy": [
    943245.5455118992,
    6232847.622083783
   ],
   "end_xy": [
    943268.9898268321,
    6232847.5415108595
   ]
  },
  "min_50m": {
   "gradient_pct": -14.590140442363577,
   "start_distance_m": 456.0,
   "end_distance_m": 506.0,
   "midpoint_distance_m": 481.0,
   "start_elevation_m": 159.7784024556803,
   "end_elevation_m": 152.4833322344985,
   "start_xy": [
    943236.0094905914,
    6232867.029085253
   ],
   "end_xy": [
    943271.8565354642,
    6232848.425808106
   ]
  },
  "min_100m": {
   "gradient_pct": -9.867074184443226,
   "start_distance_m": 416.0,
   "end_distance_m": 516.0,
   "midpoint_distance_m": 466.0,
   "start_elevation_m": 161.50216964630891,
   "end_elevation_m": 151.6350954618657,
   "start_xy": [
    943196.5273975907,
    6232873.399805937
   ],
   "end_xy": [
    943281.4122309044,
    6232851.373465591
   ]
  }
 },
 "diagnostic_window_maxima": {
  "max_2m": {
   "gradient_pct": 47.832416856940085,
   "start_distance_m": 1547.0,
   "end_distance_m": 1549.0,
   "midpoint_distance_m": 1548.0,
   "start_elevation_m": 278.3546169765182,
   "end_elevation_m": 279.311265313657,
   "start_xy": [
    943947.0098227782,
    6233132.131112148
   ],
   "end_xy": [
    943946.5259191856,
    6233134.071688689
   ]
  },
  "max_3m": {
   "gradient_pct": 37.700087787008364,
   "start_distance_m": 1547.0,
   "end_distance_m": 1550.0,
   "midpoint_distance_m": 1548.5,
   "start_elevation_m": 278.3546169765182,
   "end_elevation_m": 279.4856196101284,
   "start_xy": [
    943947.0098227782,
    6233132.131112148
   ],
   "end_xy": [
    943946.2839673894,
    6233135.041976959
   ]
  }
 },
 "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": 0.02,
   "windows_resited": [],
   "windows_unresolved": [],
   "minima_resited": [],
   "minima_unresolved": []
  },
  "placement_suppression": {
   "masked_fraction": 0.02,
   "windows_resited": [],
   "windows_unresolved": [],
   "minima_resited": [],
   "minima_unresolved": []
  },
  "overhead_obstruction": {
   "obstruction_threshold_m": 2.0,
   "obstructed_fraction": 0.316,
   "obstruction_max_height_m": 20.05,
   "flagged_windows_m": [
    10,
    20,
    100
   ]
  },
  "excluded_ranges_m": [
   [
    1270.0,
    1300.0
   ]
  ],
  "review": [],
  "extent": [
   "may_start_earlier",
   "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_E943-N6232_0m5@22LHDQR-2025-03-11.tif",
   "data/cache/fr/ign-lidarhd_dtm_E943-N6233_0m5@22LHDQR-2025-03-11.tif",
   "data/cache/fr/ign-lidarhd_dtm_E944-N6232_0m5@22LHDQR-2025-03-11.tif",
   "data/cache/fr/ign-lidarhd_dtm_E944-N6233_0m5@22LHDQR-2025-03-11.tif"
  ],
  "calculated_at": "2026-09-25T08:55:15+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": [
   "E943-N6232",
   "E943-N6233",
   "E944-N6232",
   "E944-N6233"
  ],
  "elevation_blocks": [
   "22LHDQR@2025-03-11"
  ],
  "ign_dalles": [
   "LHD_FXX_0943_6233_MNT_O_0M50_LAMB93_IGN69",
   "LHD_FXX_0943_6234_MNT_O_0M50_LAMB93_IGN69",
   "LHD_FXX_0944_6233_MNT_O_0M50_LAMB93_IGN69",
   "LHD_FXX_0944_6234_MNT_O_0M50_LAMB93_IGN69"
  ],
  "ign_missions": [
   "22LHDQR"
  ],
  "ign_editions": [
   "2025-03-11"
  ],
  "ign_dsm_edition": {
   "LHD_FXX_0943_6233_MNT_O_0M50_LAMB93_IGN69": "2025-03-11",
   "LHD_FXX_0943_6234_MNT_O_0M50_LAMB93_IGN69": "2025-03-11",
   "LHD_FXX_0944_6233_MNT_O_0M50_LAMB93_IGN69": "2025-03-11",
   "LHD_FXX_0944_6234_MNT_O_0M50_LAMB93_IGN69": "2025-03-11"
  },
  "climb_origin": "discovered",
  "structure_own_ways": 6,
  "carriageway": {
   "stations": 67,
   "stations_resolved": 67,
   "width_median_m": 6.0,
   "width_p10_m": 3.0,
   "width_min_m": 1.25,
   "width_max_m": 11.0,
   "bounded_share": 0.209,
   "unbounded_share": 0.791,
   "confidence_median": 0.0,
   "width_median_bounded_m": 6.25,
   "window_m": [
    1525.0,
    1550.0
   ],
   "width_at_max25_m": 2.12,
   "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": 67,
    "stations_resolved": 67,
    "width_median_m": 3.25,
    "width_p10_m": 0.5,
    "width_min_m": 0.5,
    "width_max_m": 11.5,
    "bounded_share": 0.821,
    "unbounded_share": 0.179,
    "confidence_median": 1.0,
    "width_median_bounded_m": 2.25,
    "window_m": [
     1525.0,
     1550.0
    ],
    "width_at_max25_m": 2.12,
    "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": "La Valette-du-Var",
  "county": "Var",
  "source": "OpenStreetMap administrative boundaries (\u00a9 OpenStreetMap contributors, ODbL)"
 }
}