{
 "ocl_version": "0.1.0",
 "name": "Rue Louis Pasteur",
 "slug": "rue-louis-pasteur",
 "confidence": "A",
 "reported_claims": [],
 "ladder": [
  {
   "window_m": 2.0,
   "max_gradient_pct": 24.416099616765052,
   "diagnostic": true,
   "flags": [],
   "start_distance_m": 382.0,
   "end_distance_m": 384.0,
   "start_elevation_m": 101.18847682088642,
   "end_elevation_m": 101.67679881322172,
   "min_gradient_pct": -6.816080067033425
  },
  {
   "window_m": 3.0,
   "max_gradient_pct": 24.24894339024822,
   "diagnostic": true,
   "flags": [],
   "start_distance_m": 386.0,
   "end_distance_m": 389.0,
   "start_elevation_m": 102.13533108251683,
   "end_elevation_m": 102.86279938422427,
   "min_gradient_pct": -5.337893983440267
  },
  {
   "window_m": 5.0,
   "max_gradient_pct": 24.13167330129511,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 387.0,
   "end_distance_m": 392.0,
   "start_elevation_m": 102.37582430243546,
   "end_elevation_m": 103.58240796750022,
   "min_gradient_pct": -4.836436279032625
  },
  {
   "window_m": 10.0,
   "max_gradient_pct": 23.93931146613795,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 382.0,
   "end_distance_m": 392.0,
   "start_elevation_m": 101.18847682088642,
   "end_elevation_m": 103.58240796750022,
   "min_gradient_pct": 0.7858728231066436
  },
  {
   "window_m": 20.0,
   "max_gradient_pct": 23.629833727087117,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 377.0,
   "end_distance_m": 397.0,
   "start_elevation_m": 100.0174812427356,
   "end_elevation_m": 104.74344798815302,
   "min_gradient_pct": 3.2924920476723685
  },
  {
   "window_m": 25.0,
   "max_gradient_pct": 23.233258864670233,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 373.0,
   "end_distance_m": 398.0,
   "start_elevation_m": 99.15673112648722,
   "end_elevation_m": 104.96504584265477,
   "min_gradient_pct": 3.5099465147195588
  },
  {
   "window_m": 50.0,
   "max_gradient_pct": 22.339876302121667,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 348.0,
   "end_distance_m": 398.0,
   "start_elevation_m": 93.79510769159394,
   "end_elevation_m": 104.96504584265477,
   "min_gradient_pct": 3.5922571748610608
  },
  {
   "window_m": 100.0,
   "max_gradient_pct": 21.241071243849788,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 299.0,
   "end_distance_m": 399.0,
   "start_elevation_m": 83.92302658612948,
   "end_elevation_m": 105.16409782997927,
   "min_gradient_pct": 4.238991073620497
  }
 ],
 "shape": {
  "ascent_concentration": 0.453,
  "concentration_window_frac": 0.25,
  "longest_pitch_10pct_m": 155.0,
  "shape_class": "stepped"
 },
 "length_m": 930.9437972676708,
 "start_elevation_m": 54.969730144427125,
 "end_elevation_m": 142.44200482175927,
 "endpoint_gain_m": 87.47227467733214,
 "overall_gradient_pct": 9.39608544941855,
 "accumulated_ascent_m": 87.82196983495152,
 "window_maxima": {
  "max_5m": {
   "gradient_pct": 24.13167330129511,
   "start_distance_m": 387.0,
   "end_distance_m": 392.0,
   "midpoint_distance_m": 389.5,
   "start_elevation_m": 102.37582430243546,
   "end_elevation_m": 103.58240796750022,
   "start_xy": [
    562267.3194872425,
    6930074.796387678
   ],
   "end_xy": [
    562271.8137865625,
    6930072.753036262
   ]
  },
  "max_10m": {
   "gradient_pct": 23.93931146613795,
   "start_distance_m": 382.0,
   "end_distance_m": 392.0,
   "midpoint_distance_m": 387.0,
   "start_elevation_m": 101.18847682088642,
   "end_elevation_m": 103.58240796750022,
   "start_xy": [
    562264.1338750903,
    6930078.63353399
   ],
   "end_xy": [
    562271.8137865625,
    6930072.753036262
   ]
  },
  "max_20m": {
   "gradient_pct": 23.629833727087117,
   "start_distance_m": 377.0,
   "end_distance_m": 397.0,
   "midpoint_distance_m": 387.0,
   "start_elevation_m": 100.0174812427356,
   "end_elevation_m": 104.74344798815302,
   "start_xy": [
    562261.2104003968,
    6930082.689798804
   ],
   "end_xy": [
    562276.7507349958,
    6930073.334642369
   ]
  },
  "max_25m": {
   "gradient_pct": 23.233258864670233,
   "start_distance_m": 373.0,
   "end_distance_m": 398.0,
   "midpoint_distance_m": 385.5,
   "start_elevation_m": 99.15673112648722,
   "end_elevation_m": 104.96504584265477,
   "start_xy": [
    562258.8703170675,
    6930085.933871863
   ],
   "end_xy": [
    562277.6895183534,
    6930073.651972613
   ]
  },
  "max_50m": {
   "gradient_pct": 22.339876302121667,
   "start_distance_m": 348.0,
   "end_distance_m": 398.0,
   "midpoint_distance_m": 373.0,
   "start_elevation_m": 93.79510769159394,
   "end_elevation_m": 104.96504584265477,
   "start_xy": [
    562244.2447962589,
    6930106.209328481
   ],
   "end_xy": [
    562277.6895183534,
    6930073.651972613
   ]
  },
  "max_100m": {
   "gradient_pct": 21.241071243849788,
   "start_distance_m": 299.0,
   "end_distance_m": 399.0,
   "midpoint_distance_m": 349.0,
   "start_elevation_m": 83.92302658612948,
   "end_elevation_m": 105.16409782997927,
   "start_xy": [
    562215.7349121149,
    6930146.061138978
   ],
   "end_xy": [
    562278.5531741952,
    6930074.156054539
   ]
  }
 },
 "window_minima": {
  "min_5m": {
   "gradient_pct": -4.836436279032625,
   "start_distance_m": 409.0,
   "end_distance_m": 414.0,
   "midpoint_distance_m": 411.5,
   "start_elevation_m": 106.66060743904127,
   "end_elevation_m": 106.41878562508964,
   "start_xy": [
    562286.5934002644,
    6930080.0814236915
   ],
   "end_xy": [
    562290.4680820206,
    6930083.241620092
   ]
  },
  "min_10m": {
   "gradient_pct": 0.7858728231066436,
   "start_distance_m": 406.0,
   "end_distance_m": 416.0,
   "midpoint_distance_m": 411.0,
   "start_elevation_m": 106.56353773366595,
   "end_elevation_m": 106.64212501597662,
   "start_xy": [
    562284.2465794956,
    6930078.213344869
   ],
   "end_xy": [
    562290.1334467289,
    6930081.276511705
   ]
  },
  "min_20m": {
   "gradient_pct": 3.2924920476723685,
   "start_distance_m": 758.0,
   "end_distance_m": 778.0,
   "midpoint_distance_m": 768.0,
   "start_elevation_m": 133.7279880927137,
   "end_elevation_m": 134.38648650224818,
   "start_xy": [
    562447.8356237856,
    6930238.761126601
   ],
   "end_xy": [
    562455.4653869199,
    6930257.248601132
   ]
  },
  "min_25m": {
   "gradient_pct": 3.5099465147195588,
   "start_distance_m": 758.0,
   "end_distance_m": 783.0,
   "midpoint_distance_m": 770.5,
   "start_elevation_m": 133.7279880927137,
   "end_elevation_m": 134.6054747213936,
   "start_xy": [
    562447.8356237856,
    6930238.761126601
   ],
   "end_xy": [
    562457.3728277036,
    6930261.870469765
   ]
  },
  "min_50m": {
   "gradient_pct": 3.5922571748610608,
   "start_distance_m": 758.0,
   "end_distance_m": 808.0,
   "midpoint_distance_m": 783.0,
   "start_elevation_m": 133.7279880927137,
   "end_elevation_m": 135.52411668014423,
   "start_xy": [
    562447.8356237856,
    6930238.761126601
   ],
   "end_xy": [
    562466.0405320573,
    6930285.31830925
   ]
  },
  "min_100m": {
   "gradient_pct": 4.238991073620497,
   "start_distance_m": 758.0,
   "end_distance_m": 858.0,
   "midpoint_distance_m": 808.0,
   "start_elevation_m": 133.7279880927137,
   "end_elevation_m": 137.9669791663342,
   "start_xy": [
    562447.8356237856,
    6930238.761126601
   ],
   "end_xy": [
    562480.7586792147,
    6930332.975776801
   ]
  }
 },
 "diagnostic_window_maxima": {
  "max_2m": {
   "gradient_pct": 24.416099616765052,
   "start_distance_m": 382.0,
   "end_distance_m": 384.0,
   "midpoint_distance_m": 383.0,
   "start_elevation_m": 101.18847682088642,
   "end_elevation_m": 101.67679881322172,
   "start_xy": [
    562264.1338750903,
    6930078.63353399
   ],
   "end_xy": [
    562265.31317529,
    6930077.0190090155
   ]
  },
  "max_3m": {
   "gradient_pct": 24.24894339024822,
   "start_distance_m": 386.0,
   "end_distance_m": 389.0,
   "midpoint_distance_m": 387.5,
   "start_elevation_m": 102.13533108251683,
   "end_elevation_m": 102.86279938422427,
   "start_xy": [
    562266.6262098346,
    6930075.510387033
   ],
   "end_xy": [
    562268.9469921252,
    6930073.636748543
   ]
  }
 },
 "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": 0.065,
   "obstruction_max_height_m": 24.3,
   "flagged_windows_m": []
  },
  "review": [],
  "extent": [
   "may_start_earlier",
   "may_continue_beyond_end"
  ]
 },
 "provenance": {
  "analysis_version": "0.1.0",
  "run_manifest": {
   "manifest_version": "1",
   "code_git_sha": "11607044e533e467c5c753c7fffd2d09371a473e",
   "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-no7",
   "road_pbf": "block-batch-fr-no7.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": "sha256:396cc16291f947a7"
  },
  "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_E561-N6930_0m5@22LHD1ID-2024-11-26.tif",
   "data/cache/fr/ign-lidarhd_dtm_E562-N6930_0m5@22LHD1ID-2024-11-26.tif"
  ],
  "calculated_at": "2026-09-26T00:27:30+00:00",
  "road_source": "OpenStreetMap (local PBF extract)",
  "road_attribution": "\u00a9 OpenStreetMap contributors, ODbL",
  "osm_pbf_path": "data/cache/pbf/block-batch-fr-no7.osm.pbf",
  "osm_snapshot": "",
  "run_id": "fr-no7",
  "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": [
   "E561-N6930",
   "E562-N6930"
  ],
  "elevation_blocks": [
   "22LHD1ID@2024-11-26"
  ],
  "ign_dalles": [
   "LHD_FXX_0561_6931_MNT_O_0M50_LAMB93_IGN69",
   "LHD_FXX_0562_6931_MNT_O_0M50_LAMB93_IGN69"
  ],
  "ign_missions": [
   "22LHD1ID"
  ],
  "ign_editions": [
   "2024-11-26"
  ],
  "ign_dsm_edition": {
   "LHD_FXX_0561_6931_MNT_O_0M50_LAMB93_IGN69": "2024-11-26",
   "LHD_FXX_0562_6931_MNT_O_0M50_LAMB93_IGN69": "2024-11-26"
  },
  "climb_origin": "discovered",
  "structure_own_ways": 8,
  "carriageway": {
   "stations": 44,
   "stations_resolved": 44,
   "width_median_m": 6.0,
   "width_p10_m": 4.08,
   "width_min_m": 3.25,
   "width_max_m": 12.0,
   "bounded_share": 0.205,
   "unbounded_share": 0.795,
   "confidence_median": 0.0,
   "width_median_bounded_m": 6.5,
   "window_m": [
    373.0,
    398.0
   ],
   "width_at_max25_m": 6.0,
   "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": 44,
    "stations_resolved": 44,
    "width_median_m": 5.5,
    "width_p10_m": 1.8,
    "width_min_m": 0.5,
    "width_max_m": 12.0,
    "bounded_share": 0.795,
    "unbounded_share": 0.205,
    "confidence_median": 1.0,
    "width_median_bounded_m": 5.0,
    "window_m": [
     373.0,
     398.0
    ],
    "width_at_max25_m": 5.25,
    "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": "Rouen",
  "county": "Seine-Maritime",
  "source": "OpenStreetMap administrative boundaries (\u00a9 OpenStreetMap contributors, ODbL)"
 }
}