{
 "ocl_version": "0.1.0",
 "name": "Rue des Rapaux",
 "slug": "rue-des-rapaux",
 "confidence": "A",
 "reported_claims": [],
 "ladder": [
  {
   "window_m": 2.0,
   "max_gradient_pct": 23.202227619538007,
   "diagnostic": true,
   "flags": [
    "canopy_or_structure"
   ],
   "start_distance_m": 1774.0,
   "end_distance_m": 1776.0,
   "start_elevation_m": 578.154168085139,
   "end_elevation_m": 578.6182126375297,
   "min_gradient_pct": -11.075670230906098
  },
  {
   "window_m": 3.0,
   "max_gradient_pct": 22.356850089827656,
   "diagnostic": true,
   "flags": [],
   "start_distance_m": 67.0,
   "end_distance_m": 70.0,
   "start_elevation_m": 467.91279641644985,
   "end_elevation_m": 468.5835019191447,
   "min_gradient_pct": -7.441533789634984
  },
  {
   "window_m": 5.0,
   "max_gradient_pct": 21.963258958600136,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 67.0,
   "end_distance_m": 72.0,
   "start_elevation_m": 467.91279641644985,
   "end_elevation_m": 469.01095936437986,
   "min_gradient_pct": -7.113325125126266
  },
  {
   "window_m": 10.0,
   "max_gradient_pct": 21.45321094706958,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 111.0,
   "end_distance_m": 121.0,
   "start_elevation_m": 475.596777654549,
   "end_elevation_m": 477.74209874925594,
   "min_gradient_pct": -6.725779474616047
  },
  {
   "window_m": 20.0,
   "max_gradient_pct": 21.015076037955964,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 58.0,
   "end_distance_m": 78.0,
   "start_elevation_m": 466.0531405575706,
   "end_elevation_m": 470.2561557651618,
   "min_gradient_pct": -6.385212222022574
  },
  {
   "window_m": 25.0,
   "max_gradient_pct": 20.630578658029208,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 55.0,
   "end_distance_m": 80.0,
   "start_elevation_m": 465.4833807436718,
   "end_elevation_m": 470.6410254081791,
   "min_gradient_pct": -6.397107179373052
  },
  {
   "window_m": 50.0,
   "max_gradient_pct": 18.342762725937973,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 42.0,
   "end_distance_m": 92.0,
   "start_elevation_m": 463.16638902293994,
   "end_elevation_m": 472.3377703859089,
   "min_gradient_pct": -5.7235513300204275
  },
  {
   "window_m": 100.0,
   "max_gradient_pct": 17.998007703898793,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 41.0,
   "end_distance_m": 141.0,
   "start_elevation_m": 463.01880372412694,
   "end_elevation_m": 481.01681142802573,
   "min_gradient_pct": -4.767194103677525
  }
 ],
 "shape": {
  "ascent_concentration": 0.369,
  "concentration_window_frac": 0.25,
  "longest_pitch_10pct_m": 217.0,
  "shape_class": "sustained"
 },
 "length_m": 1817.5373022672445,
 "start_elevation_m": 458.03582439452464,
 "end_elevation_m": 583.0462253832866,
 "endpoint_gain_m": 125.01040098876194,
 "overall_gradient_pct": 6.878010197249907,
 "accumulated_ascent_m": 133.29021059992095,
 "window_maxima": {
  "max_5m": {
   "gradient_pct": 21.963258958600136,
   "start_distance_m": 67.0,
   "end_distance_m": 72.0,
   "midpoint_distance_m": 69.5,
   "start_elevation_m": 467.91279641644985,
   "end_elevation_m": 469.01095936437986,
   "start_xy": [
    827453.4618074374,
    6466724.553360081
   ],
   "end_xy": [
    827449.3521902821,
    6466727.397826154
   ]
  },
  "max_10m": {
   "gradient_pct": 21.45321094706958,
   "start_distance_m": 111.0,
   "end_distance_m": 121.0,
   "midpoint_distance_m": 116.0,
   "start_elevation_m": 475.596777654549,
   "end_elevation_m": 477.74209874925594,
   "start_xy": [
    827455.6357934873,
    6466760.565907416
   ],
   "end_xy": [
    827457.685980881,
    6466770.287582044
   ]
  },
  "max_20m": {
   "gradient_pct": 21.015076037955964,
   "start_distance_m": 58.0,
   "end_distance_m": 78.0,
   "midpoint_distance_m": 68.0,
   "start_elevation_m": 466.0531405575706,
   "end_elevation_m": 470.2561557651618,
   "start_xy": [
    827460.8958915191,
    6466719.480453397
   ],
   "end_xy": [
    827444.8962406098,
    6466731.415849613
   ]
  },
  "max_25m": {
   "gradient_pct": 20.630578658029208,
   "start_distance_m": 55.0,
   "end_distance_m": 80.0,
   "midpoint_distance_m": 67.5,
   "start_elevation_m": 465.4833807436718,
   "end_elevation_m": 470.6410254081791,
   "start_xy": [
    827463.3745505977,
    6466717.790409264
   ],
   "end_xy": [
    827443.4109240524,
    6466732.7551907655
   ]
  },
  "max_50m": {
   "gradient_pct": 18.342762725937973,
   "start_distance_m": 42.0,
   "end_distance_m": 92.0,
   "midpoint_distance_m": 67.0,
   "start_elevation_m": 463.16638902293994,
   "end_elevation_m": 472.3377703859089,
   "start_xy": [
    827473.4655615691,
    6466709.7294459045
   ],
   "end_xy": [
    827446.9579920501,
    6466743.735691538
   ]
  },
  "max_100m": {
   "gradient_pct": 17.998007703898793,
   "start_distance_m": 41.0,
   "end_distance_m": 141.0,
   "midpoint_distance_m": 91.0,
   "start_elevation_m": 463.01880372412694,
   "end_elevation_m": 481.01681142802573,
   "start_xy": [
    827474.1283571167,
    6466708.980645489
   ],
   "end_xy": [
    827458.7458213328,
    6466790.251669016
   ]
  }
 },
 "window_minima": {
  "min_5m": {
   "gradient_pct": -7.113325125126266,
   "start_distance_m": 1432.0,
   "end_distance_m": 1437.0,
   "midpoint_distance_m": 1434.5,
   "start_elevation_m": 569.9510988019464,
   "end_elevation_m": 569.5954325456901,
   "start_xy": [
    826345.338216328,
    6466751.505964425
   ],
   "end_xy": [
    826340.855029016,
    6466753.719791774
   ]
  },
  "min_10m": {
   "gradient_pct": -6.725779474616047,
   "start_distance_m": 1427.0,
   "end_distance_m": 1437.0,
   "midpoint_distance_m": 1432.0,
   "start_elevation_m": 570.2680104931517,
   "end_elevation_m": 569.5954325456901,
   "start_xy": [
    826349.8214036399,
    6466749.292137078
   ],
   "end_xy": [
    826340.855029016,
    6466753.719791774
   ]
  },
  "min_20m": {
   "gradient_pct": -6.385212222022574,
   "start_distance_m": 1418.0,
   "end_distance_m": 1438.0,
   "midpoint_distance_m": 1428.0,
   "start_elevation_m": 570.815454951598,
   "end_elevation_m": 569.5384125071935,
   "start_xy": [
    826357.8911408013,
    6466745.307247852
   ],
   "end_xy": [
    826339.9518321098,
    6466754.146838228
   ]
  },
  "min_25m": {
   "gradient_pct": -6.397107179373052,
   "start_distance_m": 1413.0,
   "end_distance_m": 1438.0,
   "midpoint_distance_m": 1425.5,
   "start_elevation_m": 571.1376893020367,
   "end_elevation_m": 569.5384125071935,
   "start_xy": [
    826362.3743281133,
    6466743.093420504
   ],
   "end_xy": [
    826339.9518321098,
    6466754.146838228
   ]
  },
  "min_50m": {
   "gradient_pct": -5.7235513300204275,
   "start_distance_m": 1404.0,
   "end_distance_m": 1454.0,
   "midpoint_distance_m": 1429.0,
   "start_elevation_m": 571.682458705251,
   "end_elevation_m": 568.8206830402407,
   "start_xy": [
    826370.4440652747,
    6466739.108531278
   ],
   "end_xy": [
    826324.8253964033,
    6466759.361331763
   ]
  },
  "min_100m": {
   "gradient_pct": -4.767194103677525,
   "start_distance_m": 1396.0,
   "end_distance_m": 1496.0,
   "midpoint_distance_m": 1446.0,
   "start_elevation_m": 572.0466592644667,
   "end_elevation_m": 567.2794651607892,
   "start_xy": [
    826377.6171649738,
    6466735.566407521
   ],
   "end_xy": [
    826283.7718073522,
    6466763.710433114
   ]
  }
 },
 "diagnostic_window_maxima": {
  "max_2m": {
   "gradient_pct": 23.202227619538007,
   "start_distance_m": 1774.0,
   "end_distance_m": 1776.0,
   "midpoint_distance_m": 1775.0,
   "start_elevation_m": 578.154168085139,
   "end_elevation_m": 578.6182126375297,
   "start_xy": [
    826051.3201935111,
    6466622.789885843
   ],
   "end_xy": [
    826049.6434435423,
    6466621.6996979965
   ]
  },
  "max_3m": {
   "gradient_pct": 22.356850089827656,
   "start_distance_m": 67.0,
   "end_distance_m": 70.0,
   "midpoint_distance_m": 68.5,
   "start_elevation_m": 467.91279641644985,
   "end_elevation_m": 468.5835019191447,
   "start_xy": [
    827453.4618074374,
    6466724.553360081
   ],
   "end_xy": [
    827450.9844304281,
    6466726.245282997
   ]
  }
 },
 "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": 0.017,
   "windows_resited": [],
   "windows_unresolved": [],
   "minima_resited": [],
   "minima_unresolved": []
  },
  "overhead_obstruction": {
   "obstruction_threshold_m": 2.0,
   "obstructed_fraction": 0.2,
   "obstruction_max_height_m": 15.58,
   "flagged_windows_m": [
    2
   ]
  },
  "excluded_ranges_m": [
   [
    1740.0,
    1770.0
   ]
  ],
  "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-mc8",
   "road_pbf": "block-batch-fr-mc8.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_E826-N6466_0m5@22LHD5NM-2025-02-27.tif",
   "data/cache/fr/ign-lidarhd_dtm_E827-N6466_0m5@22LHD5NM-2025-02-27.tif"
  ],
  "calculated_at": "2026-09-22T15:26:00+00:00",
  "road_source": "OpenStreetMap (local PBF extract)",
  "road_attribution": "\u00a9 OpenStreetMap contributors, ODbL",
  "osm_pbf_path": "data/cache/pbf/block-batch-fr-mc8.osm.pbf",
  "osm_snapshot": "",
  "run_id": "fr-mc8",
  "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": [
   "E826-N6466",
   "E827-N6466"
  ],
  "elevation_blocks": [
   "22LHD5NM@2025-02-27"
  ],
  "ign_dalles": [
   "LHD_FXX_0826_6467_MNT_O_0M50_LAMB93_IGN69",
   "LHD_FXX_0827_6467_MNT_O_0M50_LAMB93_IGN69"
  ],
  "ign_missions": [
   "22LHD5NM"
  ],
  "ign_editions": [
   "2025-02-27"
  ],
  "ign_dsm_edition": {
   "LHD_FXX_0826_6467_MNT_O_0M50_LAMB93_IGN69": "2025-02-27",
   "LHD_FXX_0827_6467_MNT_O_0M50_LAMB93_IGN69": "2025-02-27"
  },
  "climb_origin": "discovered",
  "structure_own_ways": 3,
  "carriageway": {
   "stations": 78,
   "stations_resolved": 78,
   "width_median_m": 3.75,
   "width_p10_m": 3.0,
   "width_min_m": 1.0,
   "width_max_m": 11.0,
   "bounded_share": 0.564,
   "unbounded_share": 0.436,
   "confidence_median": 0.556,
   "width_median_bounded_m": 3.38,
   "window_m": [
    55.0,
    80.0
   ],
   "width_at_max25_m": 9.75,
   "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": 78,
    "stations_resolved": 78,
    "width_median_m": 4.88,
    "width_p10_m": 1.0,
    "width_min_m": 0.5,
    "width_max_m": 12.0,
    "bounded_share": 0.679,
    "unbounded_share": 0.321,
    "confidence_median": 1.0,
    "width_median_bounded_m": 3.5,
    "window_m": [
     55.0,
     80.0
    ],
    "width_at_max25_m": 11.25,
    "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": "Saint-Marcel-l\u00e8s-Annonay",
  "county": "Ard\u00e8che",
  "source": "OpenStreetMap administrative boundaries (\u00a9 OpenStreetMap contributors, ODbL)"
 }
}