{
 "ocl_version": "0.1.0",
 "name": "Rising Drive",
 "slug": "rising-drive",
 "confidence": "B",
 "reported_claims": [],
 "ladder": [
  {
   "window_m": 2.0,
   "max_gradient_pct": 22.65145935212729,
   "diagnostic": true,
   "flags": [],
   "start_distance_m": 381.0,
   "end_distance_m": 383.0,
   "start_elevation_m": 167.56607022148262,
   "end_elevation_m": 168.01909940852516,
   "min_gradient_pct": -3.334853862641296
  },
  {
   "window_m": 3.0,
   "max_gradient_pct": 22.32975830158921,
   "diagnostic": true,
   "flags": [],
   "start_distance_m": 380.0,
   "end_distance_m": 383.0,
   "start_elevation_m": 167.3492066594775,
   "end_elevation_m": 168.01909940852516,
   "min_gradient_pct": -2.0163774193387476
  },
  {
   "window_m": 5.0,
   "max_gradient_pct": 21.891084553853943,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 380.0,
   "end_distance_m": 385.0,
   "start_elevation_m": 167.3492066594775,
   "end_elevation_m": 168.44376088717019,
   "min_gradient_pct": -1.5335148135159216
  },
  {
   "window_m": 10.0,
   "max_gradient_pct": 21.27468705445665,
   "diagnostic": false,
   "flags": [
    "canopy_or_structure"
   ],
   "start_distance_m": 728.0,
   "end_distance_m": 738.0,
   "start_elevation_m": 202.18434336390607,
   "end_elevation_m": 204.31181206935173,
   "min_gradient_pct": -1.0819782385310361
  },
  {
   "window_m": 20.0,
   "max_gradient_pct": 20.903004191854393,
   "diagnostic": false,
   "flags": [
    "canopy_or_structure"
   ],
   "start_distance_m": 718.0,
   "end_distance_m": 738.0,
   "start_elevation_m": 200.13121123098085,
   "end_elevation_m": 204.31181206935173,
   "min_gradient_pct": 0.1944877294130265
  },
  {
   "window_m": 25.0,
   "max_gradient_pct": 20.658531227789354,
   "diagnostic": false,
   "flags": [
    "canopy_or_structure"
   ],
   "start_distance_m": 727.0,
   "end_distance_m": 752.0,
   "start_elevation_m": 201.97465328761052,
   "end_elevation_m": 207.13928609455786,
   "min_gradient_pct": 0.8851289533434397
  },
  {
   "window_m": 50.0,
   "max_gradient_pct": 20.20500517161156,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 708.0,
   "end_distance_m": 758.0,
   "start_elevation_m": 198.2215037013377,
   "end_elevation_m": 208.32400628714348,
   "min_gradient_pct": 4.1645506838754045
  },
  {
   "window_m": 100.0,
   "max_gradient_pct": 18.295844524071185,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 697.0,
   "end_distance_m": 797.0,
   "start_elevation_m": 196.28778474342494,
   "end_elevation_m": 214.58362926749612,
   "min_gradient_pct": 6.466482821415212
  }
 ],
 "shape": {
  "ascent_concentration": 0.321,
  "concentration_window_frac": 0.25,
  "longest_pitch_10pct_m": 225.0,
  "shape_class": "sustained"
 },
 "length_m": 923.2819555953738,
 "start_elevation_m": 127.06330730578523,
 "end_elevation_m": 226.85552699649037,
 "endpoint_gain_m": 99.79221969070514,
 "overall_gradient_pct": 10.80842304844511,
 "accumulated_ascent_m": 99.99308035747512,
 "window_maxima": {
  "max_5m": {
   "gradient_pct": 21.891084553853943,
   "start_distance_m": 380.0,
   "end_distance_m": 385.0,
   "midpoint_distance_m": 382.5,
   "start_elevation_m": 167.3492066594775,
   "end_elevation_m": 168.44376088717019,
   "start_xy": [
    389521.00996475556,
    3771520.938317172
   ],
   "end_xy": [
    389519.28422538145,
    3771525.6310587605
   ]
  },
  "max_10m": {
   "gradient_pct": 21.27468705445665,
   "start_distance_m": 728.0,
   "end_distance_m": 738.0,
   "midpoint_distance_m": 733.0,
   "start_elevation_m": 202.18434336390607,
   "end_elevation_m": 204.31181206935173,
   "start_xy": [
    389537.8233034259,
    3771582.1527393986
   ],
   "end_xy": [
    389529.6534358442,
    3771587.858421648
   ]
  },
  "max_20m": {
   "gradient_pct": 20.903004191854393,
   "start_distance_m": 718.0,
   "end_distance_m": 738.0,
   "midpoint_distance_m": 728.0,
   "start_elevation_m": 200.13121123098085,
   "end_elevation_m": 204.31181206935173,
   "start_xy": [
    389544.87792696053,
    3771575.065265463
   ],
   "end_xy": [
    389529.6534358442,
    3771587.858421648
   ]
  },
  "max_25m": {
   "gradient_pct": 20.658531227789354,
   "start_distance_m": 727.0,
   "end_distance_m": 752.0,
   "midpoint_distance_m": 739.5,
   "start_elevation_m": 201.97465328761052,
   "end_elevation_m": 207.13928609455786,
   "start_xy": [
    389538.5287657794,
    3771581.443992005
   ],
   "end_xy": [
    389517.4499043353,
    3771594.693226002
   ]
  },
  "max_50m": {
   "gradient_pct": 20.20500517161156,
   "start_distance_m": 708.0,
   "end_distance_m": 758.0,
   "midpoint_distance_m": 733.0,
   "start_elevation_m": 198.2215037013377,
   "end_elevation_m": 208.32400628714348,
   "start_xy": [
    389550.46947195474,
    3771566.814289245
   ],
   "end_xy": [
    389513.9829660445,
    3771599.188894822
   ]
  },
  "max_100m": {
   "gradient_pct": 18.295844524071185,
   "start_distance_m": 697.0,
   "end_distance_m": 797.0,
   "midpoint_distance_m": 747.0,
   "start_elevation_m": 196.28778474342494,
   "end_elevation_m": 214.58362926749612,
   "start_xy": [
    389555.84423434327,
    3771557.226173273
   ],
   "end_xy": [
    389547.3645406289,
    3771614.138362448
   ]
  }
 },
 "window_minima": {
  "min_5m": {
   "gradient_pct": -1.5335148135159216,
   "start_distance_m": 6.0,
   "end_distance_m": 11.0,
   "midpoint_distance_m": 8.5,
   "start_elevation_m": 127.04479175419593,
   "end_elevation_m": 126.96811601352013,
   "start_xy": [
    389717.0217436775,
    3771217.669046964
   ],
   "end_xy": [
    389712.4431967421,
    3771219.6782527673
   ]
  },
  "min_10m": {
   "gradient_pct": -1.0819782385310361,
   "start_distance_m": 1.0,
   "end_distance_m": 11.0,
   "midpoint_distance_m": 6.0,
   "start_elevation_m": 127.07631383737323,
   "end_elevation_m": 126.96811601352013,
   "start_xy": [
    389721.6002906129,
    3771215.6598411608
   ],
   "end_xy": [
    389712.4431967421,
    3771219.6782527673
   ]
  },
  "min_20m": {
   "gradient_pct": 0.1944877294130265,
   "start_distance_m": 0.0,
   "end_distance_m": 20.0,
   "midpoint_distance_m": 10.0,
   "start_elevation_m": 127.06330730578523,
   "end_elevation_m": 127.10220485166784,
   "start_xy": [
    389722.516,
    3771215.258
   ],
   "end_xy": [
    389704.6838648213,
    3771224.1268637553
   ]
  },
  "min_25m": {
   "gradient_pct": 0.8851289533434397,
   "start_distance_m": 0.0,
   "end_distance_m": 25.0,
   "midpoint_distance_m": 12.5,
   "start_elevation_m": 127.06330730578523,
   "end_elevation_m": 127.28458954412109,
   "start_xy": [
    389722.516,
    3771215.258
   ],
   "end_xy": [
    389700.6634068039,
    3771227.0993908504
   ]
  },
  "min_50m": {
   "gradient_pct": 4.1645506838754045,
   "start_distance_m": 0.0,
   "end_distance_m": 50.0,
   "midpoint_distance_m": 25.0,
   "start_elevation_m": 127.06330730578523,
   "end_elevation_m": 129.14558264772293,
   "start_xy": [
    389722.516,
    3771215.258
   ],
   "end_xy": [
    389680.5611167172,
    3771241.9620263255
   ]
  },
  "min_100m": {
   "gradient_pct": 6.466482821415212,
   "start_distance_m": 0.0,
   "end_distance_m": 100.0,
   "midpoint_distance_m": 50.0,
   "start_elevation_m": 127.06330730578523,
   "end_elevation_m": 133.52979012720044,
   "start_xy": [
    389722.516,
    3771215.258
   ],
   "end_xy": [
    389644.0908238963,
    3771276.0748173166
   ]
  }
 },
 "diagnostic_window_maxima": {
  "max_2m": {
   "gradient_pct": 22.65145935212729,
   "start_distance_m": 381.0,
   "end_distance_m": 383.0,
   "midpoint_distance_m": 382.0,
   "start_elevation_m": 167.56607022148262,
   "end_elevation_m": 168.01909940852516,
   "start_xy": [
    389520.6648168807,
    3771521.87686549
   ],
   "end_xy": [
    389519.9745211311,
    3771523.753962125
   ]
  },
  "max_3m": {
   "gradient_pct": 22.32975830158921,
   "start_distance_m": 380.0,
   "end_distance_m": 383.0,
   "midpoint_distance_m": 381.5,
   "start_elevation_m": 167.3492066594775,
   "end_elevation_m": 168.01909940852516,
   "start_xy": [
    389521.00996475556,
    3771520.938317172
   ],
   "end_xy": [
    389519.9745211311,
    3771523.753962125
   ]
  }
 },
 "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": 0.051,
   "obstruction_max_height_m": 8.22,
   "flagged_windows_m": [
    10,
    20,
    25
   ]
  },
  "review": [],
  "extent": [
   "may_continue_beyond_end"
  ]
 },
 "provenance": {
  "analysis_version": "0.1.0",
  "run_manifest": {
   "manifest_version": "1",
   "code_git_sha": "c9b5ca88920e832685f553c95e97ad4f79ca9700",
   "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": "us-west-la-hills",
   "road_pbf": "us-west-la-hills-block-batch-us-west-la-hills.osm.pbf",
   "region_key": "usa-ca-east",
   "crs": "EPSG:26911",
   "elevation_provider_key": "usa3dep",
   "authority": "usa-inventory",
   "registry_pbf": "california-2026-09-29.osm.pbf",
   "tile_index_snapshot": "sha256:c98325348ae2ec01"
  },
  "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:26911",
  "elevation_resolution_m": 1.0,
  "elevation_tiles": [
   "data/cache/usa/ca-east/USGS_1M_11_x38y378_CA_LosAngeles_B23.tif"
  ],
  "calculated_at": "2026-09-29T09:13:27+00:00",
  "road_source": "OpenStreetMap (local PBF extract)",
  "road_attribution": "\u00a9 OpenStreetMap contributors, ODbL",
  "osm_pbf_path": "data/cache/pbf/us-west-la-hills-block-batch-us-west-la-hills.osm.pbf",
  "osm_snapshot": "",
  "run_id": "us-west-la-hills",
  "elevation_provider": "USGS 3DEP (The National Map)",
  "elevation_licence": "Public domain \u2014 USGS 3DEP 1 m DEM, courtesy of the U.S. Geological Survey",
  "elevation_dataset": "USGS 3DEP 1 m DEM, CA_LosAngeles_B23 (collected 2023-24)",
  "elevation_tile_ids": [
   "x38y378"
  ],
  "climb_origin": "discovered",
  "seam_filled_samples": {
   "count": 0,
   "distances_m": []
  },
  "seam_filled_in_maximum": false,
  "canopy_source": {
   "kind": "ept_corridor_max_return",
   "ept_source": "https://s3-us-west-2.amazonaws.com/usgs-lidar-public/CA_LosAngeles_1_B23",
   "ept_crs": "EPSG:3857",
   "station_coverage": 1.0,
   "cell_ground_m": 1.0,
   "nodes_failed": 0,
   "window_coverage": {
    "5": 1.0,
    "10": 1.0,
    "20": 1.0,
    "25": 1.0
   }
  },
  "structure_own_ways": 5,
  "carriageway": {
   "stations": 43,
   "stations_resolved": 43,
   "width_median_m": 6.25,
   "width_p10_m": 3.5,
   "width_min_m": 3.0,
   "width_max_m": 12.0,
   "bounded_share": 0.395,
   "unbounded_share": 0.605,
   "confidence_median": 0.0,
   "width_median_bounded_m": 4.5,
   "window_m": [
    727.0,
    752.0
   ],
   "width_at_max25_m": 3.75,
   "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": {
    "status": "unavailable \u2014 no DSM raster (surface model absent or point-cloud only, which cannot serve off-line samples)"
   }
  },
  "license": "ODbL-1.0",
  "license_url": "https://howsteep.org/licensing"
 },
 "area": {
  "place": "Los Angeles",
  "county": "California"
 }
}