{
 "ocl_version": "0.1.0",
 "name": "Chemin Senac le Har",
 "slug": "chemin-senac-le-har",
 "confidence": "B",
 "reported_claims": [],
 "ladder": [
  {
   "window_m": 2.0,
   "max_gradient_pct": 26.15708603457847,
   "diagnostic": true,
   "flags": [
    "canopy_or_structure"
   ],
   "start_distance_m": 167.0,
   "end_distance_m": 169.0,
   "start_elevation_m": 346.4627168275615,
   "end_elevation_m": 346.9858585482531,
   "min_gradient_pct": -16.94816596120745
  },
  {
   "window_m": 3.0,
   "max_gradient_pct": 25.533484881850654,
   "diagnostic": true,
   "flags": [
    "canopy_or_structure"
   ],
   "start_distance_m": 173.0,
   "end_distance_m": 176.0,
   "start_elevation_m": 347.54263122657045,
   "end_elevation_m": 348.30863577302597,
   "min_gradient_pct": -14.5898076217577
  },
  {
   "window_m": 5.0,
   "max_gradient_pct": 24.141948679375673,
   "diagnostic": false,
   "flags": [
    "canopy_or_structure"
   ],
   "start_distance_m": 452.0,
   "end_distance_m": 457.0,
   "start_elevation_m": 382.6146170275142,
   "end_elevation_m": 383.821714461483,
   "min_gradient_pct": -14.304828174381328
  },
  {
   "window_m": 10.0,
   "max_gradient_pct": 22.070067898395678,
   "diagnostic": false,
   "flags": [
    "canopy_or_structure"
   ],
   "start_distance_m": 160.0,
   "end_distance_m": 170.0,
   "start_elevation_m": 345.0186897879424,
   "end_elevation_m": 347.22569657778195,
   "min_gradient_pct": -13.710972266765111
  },
  {
   "window_m": 20.0,
   "max_gradient_pct": 20.811688120153065,
   "diagnostic": false,
   "flags": [
    "canopy_or_structure"
   ],
   "start_distance_m": 159.0,
   "end_distance_m": 179.0,
   "start_elevation_m": 344.8174407898477,
   "end_elevation_m": 348.9797784138783,
   "min_gradient_pct": -13.532690787264983
  },
  {
   "window_m": 25.0,
   "max_gradient_pct": 20.637994648395306,
   "diagnostic": false,
   "flags": [
    "canopy_or_structure"
   ],
   "start_distance_m": 154.0,
   "end_distance_m": 179.0,
   "start_elevation_m": 343.8202797517795,
   "end_elevation_m": 348.9797784138783,
   "min_gradient_pct": -13.37813939494481
  },
  {
   "window_m": 50.0,
   "max_gradient_pct": 18.527344091827104,
   "diagnostic": false,
   "flags": [
    "canopy_or_structure"
   ],
   "start_distance_m": 129.0,
   "end_distance_m": 179.0,
   "start_elevation_m": 339.71610636796476,
   "end_elevation_m": 348.9797784138783,
   "min_gradient_pct": -12.63940321684106
  },
  {
   "window_m": 100.0,
   "max_gradient_pct": 16.442847965047577,
   "diagnostic": false,
   "flags": [
    "canopy_or_structure"
   ],
   "start_distance_m": 97.0,
   "end_distance_m": 197.0,
   "start_elevation_m": 335.0165280819919,
   "end_elevation_m": 351.4593760470395,
   "min_gradient_pct": -12.13330245477539
  }
 ],
 "shape": {
  "ascent_concentration": 0.576,
  "concentration_window_frac": 0.25,
  "longest_pitch_10pct_m": 292.0,
  "shape_class": "stepped"
 },
 "length_m": 2642.0271244146998,
 "start_elevation_m": 326.6546868959963,
 "end_elevation_m": 418.3395998188431,
 "endpoint_gain_m": 91.68491292284682,
 "overall_gradient_pct": 3.4702487372516355,
 "accumulated_ascent_m": 140.97569454578218,
 "window_maxima": {
  "max_5m": {
   "gradient_pct": 24.141948679375673,
   "start_distance_m": 452.0,
   "end_distance_m": 457.0,
   "midpoint_distance_m": 454.5,
   "start_elevation_m": 382.6146170275142,
   "end_elevation_m": 383.821714461483,
   "start_xy": [
    534139.245199009,
    6220023.033226612
   ],
   "end_xy": [
    534135.6764054478,
    6220019.531268229
   ]
  },
  "max_10m": {
   "gradient_pct": 22.070067898395678,
   "start_distance_m": 160.0,
   "end_distance_m": 170.0,
   "midpoint_distance_m": 165.0,
   "start_elevation_m": 345.0186897879424,
   "end_elevation_m": 347.22569657778195,
   "start_xy": [
    534388.9299748016,
    6220167.505991322
   ],
   "end_xy": [
    534382.5537846597,
    6220159.802472693
   ]
  },
  "max_20m": {
   "gradient_pct": 20.811688120153065,
   "start_distance_m": 159.0,
   "end_distance_m": 179.0,
   "midpoint_distance_m": 169.0,
   "start_elevation_m": 344.8174407898477,
   "end_elevation_m": 348.9797784138783,
   "start_xy": [
    534389.5675938159,
    6220168.276343185
   ],
   "end_xy": [
    534373.930176717,
    6220157.671701677
   ]
  },
  "max_25m": {
   "gradient_pct": 20.637994648395306,
   "start_distance_m": 154.0,
   "end_distance_m": 179.0,
   "midpoint_distance_m": 166.5,
   "start_elevation_m": 343.8202797517795,
   "end_elevation_m": 348.9797784138783,
   "start_xy": [
    534392.7570393156,
    6220172.126975026
   ],
   "end_xy": [
    534373.930176717,
    6220157.671701677
   ]
  },
  "max_50m": {
   "gradient_pct": 18.527344091827104,
   "start_distance_m": 129.0,
   "end_distance_m": 179.0,
   "midpoint_distance_m": 154.0,
   "start_elevation_m": 339.71610636796476,
   "end_elevation_m": 348.9797784138783,
   "start_xy": [
    534408.8609793237,
    6220191.24929487
   ],
   "end_xy": [
    534373.930176717,
    6220157.671701677
   ]
  },
  "max_100m": {
   "gradient_pct": 16.442847965047577,
   "start_distance_m": 97.0,
   "end_distance_m": 197.0,
   "midpoint_distance_m": 147.0,
   "start_elevation_m": 335.0165280819919,
   "end_elevation_m": 351.4593760470395,
   "start_xy": [
    534429.4740225341,
    6220215.72586427
   ],
   "end_xy": [
    534356.2981474352,
    6220154.050715154
   ]
  }
 },
 "window_minima": {
  "min_5m": {
   "gradient_pct": -14.304828174381328,
   "start_distance_m": 1403.0,
   "end_distance_m": 1408.0,
   "midpoint_distance_m": 1405.5,
   "start_elevation_m": 394.6239401829515,
   "end_elevation_m": 393.90869877423245,
   "start_xy": [
    533389.4740484378,
    6219594.762332684
   ],
   "end_xy": [
    533384.6353063056,
    6219595.602668462
   ]
  },
  "min_10m": {
   "gradient_pct": -13.710972266765111,
   "start_distance_m": 1400.0,
   "end_distance_m": 1410.0,
   "midpoint_distance_m": 1405.0,
   "start_elevation_m": 395.01801333102026,
   "end_elevation_m": 393.64691610434375,
   "start_xy": [
    533392.3913480504,
    6219595.432431168
   ],
   "end_xy": [
    533382.7450942625,
    6219596.215645885
   ]
  },
  "min_20m": {
   "gradient_pct": -13.532690787264983,
   "start_distance_m": 1401.0,
   "end_distance_m": 1421.0,
   "midpoint_distance_m": 1411.0,
   "start_elevation_m": 394.88961744088954,
   "end_elevation_m": 392.18307928343654,
   "start_xy": [
    533391.4298739239,
    6219595.180359798
   ],
   "end_xy": [
    533373.5144629397,
    6219602.198575383
   ]
  },
  "min_25m": {
   "gradient_pct": -13.37813939494481,
   "start_distance_m": 1400.0,
   "end_distance_m": 1425.0,
   "midpoint_distance_m": 1412.5,
   "start_elevation_m": 395.01801333102026,
   "end_elevation_m": 391.67347848228405,
   "start_xy": [
    533392.3913480504,
    6219595.432431168
   ],
   "end_xy": [
    533370.1578697314,
    6219604.37418611
   ]
  },
  "min_50m": {
   "gradient_pct": -12.63940321684106,
   "start_distance_m": 1400.0,
   "end_distance_m": 1450.0,
   "midpoint_distance_m": 1425.0,
   "start_elevation_m": 395.01801333102026,
   "end_elevation_m": 388.6983117225997,
   "start_xy": [
    533392.3913480504,
    6219595.432431168
   ],
   "end_xy": [
    533349.1791621796,
    6219617.971753151
   ]
  },
  "min_100m": {
   "gradient_pct": -12.13330245477539,
   "start_distance_m": 1400.0,
   "end_distance_m": 1500.0,
   "midpoint_distance_m": 1450.0,
   "start_elevation_m": 395.01801333102026,
   "end_elevation_m": 382.88471087624487,
   "start_xy": [
    533392.3913480504,
    6219595.432431168
   ],
   "end_xy": [
    533307.2217470759,
    6219645.166887235
   ]
  }
 },
 "diagnostic_window_maxima": {
  "max_2m": {
   "gradient_pct": 26.15708603457847,
   "start_distance_m": 167.0,
   "end_distance_m": 169.0,
   "midpoint_distance_m": 168.0,
   "start_elevation_m": 346.4627168275615,
   "end_elevation_m": 346.9858585482531,
   "start_xy": [
    534384.4666417022,
    6220162.113528281
   ],
   "end_xy": [
    534383.1914036738,
    6220160.572824555
   ]
  },
  "max_3m": {
   "gradient_pct": 25.533484881850654,
   "start_distance_m": 173.0,
   "end_distance_m": 176.0,
   "midpoint_distance_m": 174.5,
   "start_elevation_m": 347.54263122657045,
   "end_elevation_m": 348.30863577302597,
   "start_xy": [
    534379.807519811,
    6220158.878697185
   ],
   "end_xy": [
    534376.868848264,
    6220158.275199431
   ]
  }
 },
 "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": {
  "structure_suppression": {
   "masked_fraction": 0.008,
   "windows_resited": [],
   "windows_unresolved": [],
   "minima_resited": [],
   "minima_unresolved": []
  },
  "overhead_obstruction": {
   "obstruction_threshold_m": 2.0,
   "obstructed_fraction": 0.218,
   "obstruction_max_height_m": 22.8,
   "flagged_windows_m": [
    2,
    3,
    5,
    10,
    20,
    25,
    50,
    100
   ]
  },
  "excluded_ranges_m": [
   [
    0.0,
    20.0
   ]
  ],
  "review": [],
  "extent": [
   "may_continue_beyond_end"
  ]
 },
 "provenance": {
  "analysis_version": "0.1.0",
  "run_manifest": {
   "manifest_version": "1",
   "code_git_sha": "06fa4c370391597f015858e97dcf01ca2f5b3640",
   "code_git_dirty": "false",
   "analysis_version": "0.1.0",
   "analysis_config_digest": "sha256:0048c2bbb24ab95e",
   "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-pyr2",
   "road_pbf": "block-batch-fr-pyr2.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:c54ac68b3f57b41b"
  },
  "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_E532-N6218_0m5@21LHD1HR1-2025-04-18.tif",
   "data/cache/fr/ign-lidarhd_dtm_E532-N6219_0m5@21LHD1HR1-2025-04-18.tif",
   "data/cache/fr/ign-lidarhd_dtm_E533-N6218_0m5@21LHD1HR1-2025-04-18.tif",
   "data/cache/fr/ign-lidarhd_dtm_E533-N6219_0m5@21LHD1HR1-2025-04-18.tif",
   "data/cache/fr/ign-lidarhd_dtm_E533-N6220_0m5@21LHD1HR1-2025-04-18.tif",
   "data/cache/fr/ign-lidarhd_dtm_E534-N6219_0m5@21LHD1HR1-2025-04-18.tif",
   "data/cache/fr/ign-lidarhd_dtm_E534-N6220_0m5@21LHD1HR1-2026-03-20.tif"
  ],
  "calculated_at": "2026-09-20T07:22:32+00:00",
  "road_source": "OpenStreetMap (local PBF extract)",
  "road_attribution": "\u00a9 OpenStreetMap contributors, ODbL",
  "osm_pbf_path": "data/cache/pbf/block-batch-fr-pyr2.osm.pbf",
  "osm_snapshot": "",
  "run_id": "fr-pyr2",
  "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": [
   "E532-N6218",
   "E532-N6219",
   "E533-N6218",
   "E533-N6219",
   "E533-N6220",
   "E534-N6219",
   "E534-N6220"
  ],
  "elevation_blocks": [
   "21LHD1HR1@2025-04-18",
   "21LHD1HR1@2026-03-20"
  ],
  "ign_dalles": [
   "LHD_FXX_0532_6219_MNT_O_0M50_LAMB93_IGN69",
   "LHD_FXX_0532_6220_MNT_O_0M50_LAMB93_IGN69",
   "LHD_FXX_0533_6219_MNT_O_0M50_LAMB93_IGN69",
   "LHD_FXX_0533_6220_MNT_O_0M50_LAMB93_IGN69",
   "LHD_FXX_0533_6221_MNT_O_0M50_LAMB93_IGN69",
   "LHD_FXX_0534_6220_MNT_O_0M50_LAMB93_IGN69",
   "LHD_FXX_0534_6221_MNT_O_0M50_LAMB93_IGN69"
  ],
  "ign_missions": [
   "21LHD1HR1"
  ],
  "ign_editions": [
   "2025-04-18",
   "2026-03-20"
  ],
  "ign_dsm_edition": {
   "LHD_FXX_0532_6219_MNT_O_0M50_LAMB93_IGN69": "2025-04-18",
   "LHD_FXX_0532_6220_MNT_O_0M50_LAMB93_IGN69": "2025-04-18",
   "LHD_FXX_0533_6219_MNT_O_0M50_LAMB93_IGN69": "2025-04-18",
   "LHD_FXX_0533_6220_MNT_O_0M50_LAMB93_IGN69": "2025-04-18",
   "LHD_FXX_0533_6221_MNT_O_0M50_LAMB93_IGN69": "2025-04-18",
   "LHD_FXX_0534_6220_MNT_O_0M50_LAMB93_IGN69": "2025-04-18",
   "LHD_FXX_0534_6221_MNT_O_0M50_LAMB93_IGN69": "2026-03-20"
  },
  "climb_origin": "discovered",
  "structure_own_ways": 4,
  "structure_mask_ranges_m": [
   [
    0.0,
    15.0
   ],
   [
    0.0,
    15.0
   ]
  ],
  "carriageway": {
   "stations": 112,
   "stations_resolved": 112,
   "width_median_m": 5.5,
   "width_p10_m": 3.75,
   "width_min_m": 2.0,
   "width_max_m": 12.0,
   "bounded_share": 0.268,
   "unbounded_share": 0.732,
   "confidence_median": 0.0,
   "width_median_bounded_m": 5.25,
   "window_m": [
    154.0,
    179.0
   ],
   "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": 112,
    "stations_resolved": 112,
    "width_median_m": 5.88,
    "width_p10_m": 0.75,
    "width_min_m": 0.0,
    "width_max_m": 12.0,
    "bounded_share": 0.732,
    "unbounded_share": 0.268,
    "confidence_median": 1.0,
    "width_median_bounded_m": 4.0,
    "window_m": [
     154.0,
     179.0
    ],
    "width_at_max25_m": 1.75,
    "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": "His",
  "county": "Haute-Garonne",
  "source": "OpenStreetMap administrative boundaries (\u00a9 OpenStreetMap contributors, ODbL)"
 }
}