{
 "ocl_version": "0.1.0",
 "name": "Rue du Fraisse",
 "slug": "rue-du-fraisse",
 "confidence": "A",
 "reported_claims": [],
 "ladder": [
  {
   "window_m": 2.0,
   "max_gradient_pct": 23.20828516957647,
   "diagnostic": true,
   "flags": [],
   "start_distance_m": 210.0,
   "end_distance_m": 212.0,
   "start_elevation_m": 490.61694989139335,
   "end_elevation_m": 491.0811155947849,
   "min_gradient_pct": 1.7396642340401058
  },
  {
   "window_m": 3.0,
   "max_gradient_pct": 22.82610720849713,
   "diagnostic": true,
   "flags": [],
   "start_distance_m": 210.0,
   "end_distance_m": 213.0,
   "start_elevation_m": 490.61694989139335,
   "end_elevation_m": 491.30173310764826,
   "min_gradient_pct": 1.6532608636453006
  },
  {
   "window_m": 5.0,
   "max_gradient_pct": 22.01580912227314,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 227.0,
   "end_distance_m": 232.0,
   "start_elevation_m": 494.0027150818661,
   "end_elevation_m": 495.10350553797974,
   "min_gradient_pct": 2.8483792547422127
  },
  {
   "window_m": 10.0,
   "max_gradient_pct": 20.848960314711462,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 222.0,
   "end_distance_m": 232.0,
   "start_elevation_m": 493.0186095065086,
   "end_elevation_m": 495.10350553797974,
   "min_gradient_pct": 6.078513828659879
  },
  {
   "window_m": 20.0,
   "max_gradient_pct": 20.32971673372316,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 210.0,
   "end_distance_m": 230.0,
   "start_elevation_m": 490.61694989139335,
   "end_elevation_m": 494.682893238138,
   "min_gradient_pct": 8.076347800171675
  },
  {
   "window_m": 25.0,
   "max_gradient_pct": 20.35282968790898,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 207.0,
   "end_distance_m": 232.0,
   "start_elevation_m": 490.0152981160025,
   "end_elevation_m": 495.10350553797974,
   "min_gradient_pct": 8.45977145133179
  },
  {
   "window_m": 50.0,
   "max_gradient_pct": 19.527252931557655,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 182.0,
   "end_distance_m": 232.0,
   "start_elevation_m": 485.3398790722009,
   "end_elevation_m": 495.10350553797974,
   "min_gradient_pct": 8.852716307541073
  },
  {
   "window_m": 100.0,
   "max_gradient_pct": 18.008501889474417,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 137.0,
   "end_distance_m": 237.0,
   "start_elevation_m": 478.0033926666412,
   "end_elevation_m": 496.01189455611564,
   "min_gradient_pct": 10.545784100381184
  }
 ],
 "shape": {
  "ascent_concentration": 0.347,
  "concentration_window_frac": 0.25,
  "longest_pitch_10pct_m": 133.0,
  "shape_class": "sustained"
 },
 "length_m": 237.4466653652133,
 "start_elevation_m": 462.7526005805522,
 "end_elevation_m": 496.09225518454815,
 "endpoint_gain_m": 33.33965460399594,
 "overall_gradient_pct": 14.040902428642953,
 "accumulated_ascent_m": 33.33965460399594,
 "window_maxima": {
  "max_5m": {
   "gradient_pct": 22.01580912227314,
   "start_distance_m": 227.0,
   "end_distance_m": 232.0,
   "midpoint_distance_m": 229.5,
   "start_elevation_m": 494.0027150818661,
   "end_elevation_m": 495.10350553797974,
   "start_xy": [
    727391.142287348,
    6478250.445688461
   ],
   "end_xy": [
    727396.1322589263,
    6478250.762206467
   ]
  },
  "max_10m": {
   "gradient_pct": 20.848960314711462,
   "start_distance_m": 222.0,
   "end_distance_m": 232.0,
   "midpoint_distance_m": 227.0,
   "start_elevation_m": 493.0186095065086,
   "end_elevation_m": 495.10350553797974,
   "start_xy": [
    727386.1523157698,
    6478250.129170454
   ],
   "end_xy": [
    727396.1322589263,
    6478250.762206467
   ]
  },
  "max_20m": {
   "gradient_pct": 20.32971673372316,
   "start_distance_m": 210.0,
   "end_distance_m": 230.0,
   "midpoint_distance_m": 220.0,
   "start_elevation_m": 490.61694989139335,
   "end_elevation_m": 494.682893238138,
   "start_xy": [
    727374.5775438519,
    6478247.9907229105
   ],
   "end_xy": [
    727394.1362702949,
    6478250.635599265
   ]
  },
  "max_25m": {
   "gradient_pct": 20.35282968790898,
   "start_distance_m": 207.0,
   "end_distance_m": 232.0,
   "midpoint_distance_m": 219.5,
   "start_elevation_m": 490.0152981160025,
   "end_elevation_m": 495.10350553797974,
   "start_xy": [
    727371.9490023813,
    6478246.544773486
   ],
   "end_xy": [
    727396.1322589263,
    6478250.762206467
   ]
  },
  "max_50m": {
   "gradient_pct": 19.527252931557655,
   "start_distance_m": 182.0,
   "end_distance_m": 232.0,
   "midpoint_distance_m": 207.0,
   "start_elevation_m": 485.3398790722009,
   "end_elevation_m": 495.10350553797974,
   "start_xy": [
    727358.5633396092,
    6478225.892535452
   ],
   "end_xy": [
    727396.1322589263,
    6478250.762206467
   ]
  },
  "max_100m": {
   "gradient_pct": 18.008501889474417,
   "start_distance_m": 137.0,
   "end_distance_m": 237.0,
   "midpoint_distance_m": 187.0,
   "start_elevation_m": 478.0033926666412,
   "end_elevation_m": 496.01189455611564,
   "start_xy": [
    727339.5544040689,
    6478185.11529665
   ],
   "end_xy": [
    727401.1222305045,
    6478251.078724474
   ]
  }
 },
 "window_minima": {
  "min_5m": {
   "gradient_pct": 2.8483792547422127,
   "start_distance_m": 0.0,
   "end_distance_m": 5.0,
   "midpoint_distance_m": 2.5,
   "start_elevation_m": 462.7526005805522,
   "end_elevation_m": 462.8950195432893,
   "start_xy": [
    727218.396,
    6478138.397
   ],
   "end_xy": [
    727223.3867180682,
    6478138.701521203
   ]
  },
  "min_10m": {
   "gradient_pct": 6.078513828659879,
   "start_distance_m": 0.0,
   "end_distance_m": 10.0,
   "midpoint_distance_m": 5.0,
   "start_elevation_m": 462.7526005805522,
   "end_elevation_m": 463.3604519634182,
   "start_xy": [
    727218.396,
    6478138.397
   ],
   "end_xy": [
    727228.3774361365,
    6478139.006042407
   ]
  },
  "min_20m": {
   "gradient_pct": 8.076347800171675,
   "start_distance_m": 52.0,
   "end_distance_m": 72.0,
   "midpoint_distance_m": 62.0,
   "start_elevation_m": 469.0688671658514,
   "end_elevation_m": 470.6841367258857,
   "start_xy": [
    727270.1132949645,
    6478141.99218842
   ],
   "end_xy": [
    727288.2239862478,
    6478150.367579698
   ]
  },
  "min_25m": {
   "gradient_pct": 8.45977145133179,
   "start_distance_m": 51.0,
   "end_distance_m": 76.0,
   "midpoint_distance_m": 63.5,
   "start_elevation_m": 468.9702468640805,
   "end_elevation_m": 471.0851897269134,
   "start_xy": [
    727269.1498865952,
    6478141.724150524
   ],
   "end_xy": [
    727291.804564235,
    6478152.15068409
   ]
  },
  "min_50m": {
   "gradient_pct": 8.852716307541073,
   "start_distance_m": 52.0,
   "end_distance_m": 102.0,
   "midpoint_distance_m": 77.0,
   "start_elevation_m": 469.0688671658514,
   "end_elevation_m": 473.4952253196219,
   "start_xy": [
    727270.1132949645,
    6478141.99218842
   ],
   "end_xy": [
    727315.0783211525,
    6478163.740862646
   ]
  },
  "min_100m": {
   "gradient_pct": 10.545784100381184,
   "start_distance_m": 0.0,
   "end_distance_m": 100.0,
   "midpoint_distance_m": 50.0,
   "start_elevation_m": 462.7526005805522,
   "end_elevation_m": 473.2983846809334,
   "start_xy": [
    727218.396,
    6478138.397
   ],
   "end_xy": [
    727313.2880321589,
    6478162.849310449
   ]
  }
 },
 "diagnostic_window_maxima": {
  "max_2m": {
   "gradient_pct": 23.20828516957647,
   "start_distance_m": 210.0,
   "end_distance_m": 212.0,
   "midpoint_distance_m": 211.0,
   "start_elevation_m": 490.61694989139335,
   "end_elevation_m": 491.0811155947849,
   "start_xy": [
    727374.5775438519,
    6478247.9907229105
   ],
   "end_xy": [
    727376.3299048324,
    6478248.954689193
   ]
  },
  "max_3m": {
   "gradient_pct": 22.82610720849713,
   "start_distance_m": 210.0,
   "end_distance_m": 213.0,
   "midpoint_distance_m": 211.5,
   "start_elevation_m": 490.61694989139335,
   "end_elevation_m": 491.30173310764826,
   "start_xy": [
    727374.5775438519,
    6478247.9907229105
   ],
   "end_xy": [
    727377.2060853225,
    6478249.436672335
   ]
  }
 },
 "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": 0.038,
   "obstruction_max_height_m": 8.78,
   "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": "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-mc5",
   "road_pbf": "block-batch-fr-mc5.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_E727-N6478_0m5@21LHD4LM-2025-06-26.tif"
  ],
  "calculated_at": "2026-09-22T16:07:03+00:00",
  "road_source": "OpenStreetMap (local PBF extract)",
  "road_attribution": "\u00a9 OpenStreetMap contributors, ODbL",
  "osm_pbf_path": "data/cache/pbf/block-batch-fr-mc5.osm.pbf",
  "osm_snapshot": "",
  "run_id": "fr-mc5",
  "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": [
   "E727-N6478"
  ],
  "elevation_blocks": [
   "21LHD4LM@2025-06-26"
  ],
  "ign_dalles": [
   "LHD_FXX_0727_6479_MNT_O_0M50_LAMB93_IGN69"
  ],
  "ign_missions": [
   "21LHD4LM"
  ],
  "ign_editions": [
   "2025-06-26"
  ],
  "ign_dsm_edition": {
   "LHD_FXX_0727_6479_MNT_O_0M50_LAMB93_IGN69": "2025-06-26"
  },
  "climb_origin": "discovered",
  "structure_own_ways": 1,
  "carriageway": {
   "stations": 16,
   "stations_resolved": 16,
   "width_median_m": 6.5,
   "width_p10_m": 3.88,
   "width_min_m": 3.75,
   "width_max_m": 12.0,
   "bounded_share": 0.125,
   "unbounded_share": 0.875,
   "confidence_median": 0.0,
   "width_median_bounded_m": 6.12,
   "window_m": [
    207.0,
    232.0
   ],
   "width_at_max25_m": 5.25,
   "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": 16,
    "stations_resolved": 16,
    "width_median_m": 6.88,
    "width_p10_m": 3.5,
    "width_min_m": 3.0,
    "width_max_m": 12.0,
    "bounded_share": 0.75,
    "unbounded_share": 0.25,
    "confidence_median": 1.0,
    "width_median_bounded_m": 6.0,
    "window_m": [
     207.0,
     232.0
    ],
    "width_at_max25_m": 7.5,
    "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": "V\u00e9z\u00e9zoux",
  "county": "Haute-Loire",
  "source": "OpenStreetMap administrative boundaries (\u00a9 OpenStreetMap contributors, ODbL)"
 }
}