{
 "ocl_version": "0.1.0",
 "name": "Munich Street",
 "slug": "munich-street",
 "confidence": "A",
 "reported_claims": [],
 "ladder": [
  {
   "window_m": 2.0,
   "max_gradient_pct": 20.825896017107226,
   "diagnostic": true,
   "flags": [],
   "start_distance_m": 761.0,
   "end_distance_m": 763.0,
   "start_elevation_m": 120.99085181352189,
   "end_elevation_m": 121.40736973386403,
   "min_gradient_pct": -2.5639738594328776
  },
  {
   "window_m": 3.0,
   "max_gradient_pct": 20.741683265784634,
   "diagnostic": true,
   "flags": [],
   "start_distance_m": 761.0,
   "end_distance_m": 764.0,
   "start_elevation_m": 120.99085181352189,
   "end_elevation_m": 121.61310231149542,
   "min_gradient_pct": -2.533194699203989
  },
  {
   "window_m": 5.0,
   "max_gradient_pct": 20.602831394815837,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 759.0,
   "end_distance_m": 764.0,
   "start_elevation_m": 120.58296074175463,
   "end_elevation_m": 121.61310231149542,
   "min_gradient_pct": -2.5103013690508647
  },
  {
   "window_m": 10.0,
   "max_gradient_pct": 20.305053450468336,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 756.0,
   "end_distance_m": 766.0,
   "start_elevation_m": 119.9820540498977,
   "end_elevation_m": 122.01255939494453,
   "min_gradient_pct": -2.4732286652628943
  },
  {
   "window_m": 20.0,
   "max_gradient_pct": 20.071390295856304,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 746.0,
   "end_distance_m": 766.0,
   "start_elevation_m": 117.99828133577327,
   "end_elevation_m": 122.01255939494453,
   "min_gradient_pct": -2.296826741202409
  },
  {
   "window_m": 25.0,
   "max_gradient_pct": 20.020014869576585,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 741.0,
   "end_distance_m": 766.0,
   "start_elevation_m": 117.00755567755039,
   "end_elevation_m": 122.01255939494453,
   "min_gradient_pct": -2.23052009352773
  },
  {
   "window_m": 50.0,
   "max_gradient_pct": 19.973323623469526,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 716.0,
   "end_distance_m": 766.0,
   "start_elevation_m": 112.02589758320977,
   "end_elevation_m": 122.01255939494453,
   "min_gradient_pct": -2.1503570855175838
  },
  {
   "window_m": 100.0,
   "max_gradient_pct": 16.282828525951942,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 674.0,
   "end_distance_m": 774.0,
   "start_elevation_m": 106.80646751236006,
   "end_elevation_m": 123.089296038312,
   "min_gradient_pct": -2.0090156043915925
  }
 ],
 "shape": {
  "ascent_concentration": 0.488,
  "concentration_window_frac": 0.25,
  "longest_pitch_10pct_m": 90.0,
  "shape_class": "stepped"
 },
 "length_m": 824.1216775423269,
 "start_elevation_m": 81.99615273337785,
 "end_elevation_m": 126.74117819122603,
 "endpoint_gain_m": 44.74502545784817,
 "overall_gradient_pct": 5.429419790447153,
 "accumulated_ascent_m": 47.35262284006697,
 "window_maxima": {
  "max_5m": {
   "gradient_pct": 20.602831394815837,
   "start_distance_m": 759.0,
   "end_distance_m": 764.0,
   "midpoint_distance_m": 761.5,
   "start_elevation_m": 120.58296074175463,
   "end_elevation_m": 121.61310231149542,
   "start_xy": [
    550603.2046365839,
    4175156.167362195
   ],
   "end_xy": [
    550605.7493134437,
    4175160.4713858566
   ]
  },
  "max_10m": {
   "gradient_pct": 20.305053450468336,
   "start_distance_m": 756.0,
   "end_distance_m": 766.0,
   "midpoint_distance_m": 761.0,
   "start_elevation_m": 119.9820540498977,
   "end_elevation_m": 122.01255939494453,
   "start_xy": [
    550601.677830468,
    4175153.584947998
   ],
   "end_xy": [
    550606.7671841875,
    4175162.1929953215
   ]
  },
  "max_20m": {
   "gradient_pct": 20.071390295856304,
   "start_distance_m": 746.0,
   "end_distance_m": 766.0,
   "midpoint_distance_m": 756.0,
   "start_elevation_m": 117.99828133577327,
   "end_elevation_m": 122.01255939494453,
   "start_xy": [
    550596.5884767486,
    4175144.976900675
   ],
   "end_xy": [
    550606.7671841875,
    4175162.1929953215
   ]
  },
  "max_25m": {
   "gradient_pct": 20.020014869576585,
   "start_distance_m": 741.0,
   "end_distance_m": 766.0,
   "midpoint_distance_m": 753.5,
   "start_elevation_m": 117.00755567755039,
   "end_elevation_m": 122.01255939494453,
   "start_xy": [
    550594.0437998888,
    4175140.6728770137
   ],
   "end_xy": [
    550606.7671841875,
    4175162.1929953215
   ]
  },
  "max_50m": {
   "gradient_pct": 19.973323623469526,
   "start_distance_m": 716.0,
   "end_distance_m": 766.0,
   "midpoint_distance_m": 741.0,
   "start_elevation_m": 112.02589758320977,
   "end_elevation_m": 122.01255939494453,
   "start_xy": [
    550581.32041559,
    4175119.1527587054
   ],
   "end_xy": [
    550606.7671841875,
    4175162.1929953215
   ]
  },
  "max_100m": {
   "gradient_pct": 16.282828525951942,
   "start_distance_m": 674.0,
   "end_distance_m": 774.0,
   "midpoint_distance_m": 724.0,
   "start_elevation_m": 106.80646751236006,
   "end_elevation_m": 123.089296038312,
   "start_xy": [
    550559.945129968,
    4175082.9989599483
   ],
   "end_xy": [
    550610.8384772517,
    4175169.0795454187
   ]
  }
 },
 "window_minima": {
  "min_5m": {
   "gradient_pct": -2.5103013690508647,
   "start_distance_m": 192.0,
   "end_distance_m": 197.0,
   "midpoint_distance_m": 194.5,
   "start_elevation_m": 96.45652520636732,
   "end_elevation_m": 96.33101013791477,
   "start_xy": [
    550314.3228930495,
    4174668.277749426
   ],
   "end_xy": [
    550316.8722036073,
    4174672.579030128
   ]
  },
  "min_10m": {
   "gradient_pct": -2.4732286652628943,
   "start_distance_m": 192.0,
   "end_distance_m": 202.0,
   "midpoint_distance_m": 197.0,
   "start_elevation_m": 96.45652520636732,
   "end_elevation_m": 96.20920233984103,
   "start_xy": [
    550314.3228930495,
    4174668.277749426
   ],
   "end_xy": [
    550319.4215141652,
    4174676.8803108307
   ]
  },
  "min_20m": {
   "gradient_pct": -2.296826741202409,
   "start_distance_m": 189.0,
   "end_distance_m": 209.0,
   "midpoint_distance_m": 199.0,
   "start_elevation_m": 96.52232613096089,
   "end_elevation_m": 96.06296078272041,
   "start_xy": [
    550312.7933067147,
    4174665.696981005
   ],
   "end_xy": [
    550322.9905489463,
    4174682.902103814
   ]
  },
  "min_25m": {
   "gradient_pct": -2.23052009352773,
   "start_distance_m": 189.0,
   "end_distance_m": 214.0,
   "midpoint_distance_m": 201.5,
   "start_elevation_m": 96.52232613096089,
   "end_elevation_m": 95.96469610757896,
   "start_xy": [
    550312.7933067147,
    4174665.696981005
   ],
   "end_xy": [
    550325.5398595042,
    4174687.203384516
   ]
  },
  "min_50m": {
   "gradient_pct": -2.1503570855175838,
   "start_distance_m": 192.0,
   "end_distance_m": 242.0,
   "midpoint_distance_m": 217.0,
   "start_elevation_m": 96.45652520636732,
   "end_elevation_m": 95.38134666360853,
   "start_xy": [
    550314.3228930495,
    4174668.277749426
   ],
   "end_xy": [
    550339.8159986285,
    4174711.2905564485
   ]
  },
  "min_100m": {
   "gradient_pct": -2.0090156043915925,
   "start_distance_m": 181.0,
   "end_distance_m": 281.0,
   "midpoint_distance_m": 231.0,
   "start_elevation_m": 96.61179052634483,
   "end_elevation_m": 94.60277492195324,
   "start_xy": [
    550308.7144098221,
    4174658.814931881
   ],
   "end_xy": [
    550359.7006209801,
    4174744.840545926
   ]
  }
 },
 "diagnostic_window_maxima": {
  "max_2m": {
   "gradient_pct": 20.825896017107226,
   "start_distance_m": 761.0,
   "end_distance_m": 763.0,
   "midpoint_distance_m": 762.0,
   "start_elevation_m": 120.99085181352189,
   "end_elevation_m": 121.40736973386403,
   "start_xy": [
    550604.2225073278,
    4175157.88897166
   ],
   "end_xy": [
    550605.2403780717,
    4175159.610581124
   ]
  },
  "max_3m": {
   "gradient_pct": 20.741683265784634,
   "start_distance_m": 761.0,
   "end_distance_m": 764.0,
   "midpoint_distance_m": 762.5,
   "start_elevation_m": 120.99085181352189,
   "end_elevation_m": 121.61310231149542,
   "start_xy": [
    550604.2225073278,
    4175157.88897166
   ],
   "end_xy": [
    550605.7493134437,
    4175160.4713858566
   ]
  }
 },
 "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": 0.041,
   "obstruction_max_height_m": 10.76,
   "flagged_windows_m": []
  },
  "review": [],
  "extent": [
   "may_continue_beyond_end"
  ]
 },
 "provenance": {
  "analysis_version": "0.1.0",
  "run_manifest": {
   "manifest_version": "1",
   "code_git_sha": "bef8f0c688e0409eaf74fa4b531091cae7766c61",
   "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-sf-eastbay",
   "road_pbf": "us-west-sf-eastbay-block-batch-us-west-sf-eastbay.osm.pbf",
   "region_key": "usa-ca",
   "crs": "EPSG:26910",
   "elevation_provider_key": "usa3dep",
   "authority": "usa-inventory",
   "registry_pbf": "california-2026-09-29.osm.pbf",
   "tile_index_snapshot": "sha256:3e06ad0d5e78884c"
  },
  "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:26910",
  "elevation_resolution_m": 1.0,
  "elevation_tiles": [
   "data/cache/usa/ca/USGS_1M_10_x55y418_CA_SanFrancisco_B23.tif"
  ],
  "calculated_at": "2026-09-29T07:39:13+00:00",
  "road_source": "OpenStreetMap (local PBF extract)",
  "road_attribution": "\u00a9 OpenStreetMap contributors, ODbL",
  "osm_pbf_path": "data/cache/pbf/us-west-sf-eastbay-block-batch-us-west-sf-eastbay.osm.pbf",
  "osm_snapshot": "",
  "run_id": "us-west-sf-eastbay",
  "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_SanFrancisco_B23 (collected 2023)",
  "elevation_tile_ids": [
   "x55y418"
  ],
  "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_SanFrancisco_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": 2,
  "carriageway": {
   "stations": 39,
   "stations_resolved": 39,
   "width_median_m": 10.75,
   "width_p10_m": 10.5,
   "width_min_m": 8.25,
   "width_max_m": 12.0,
   "bounded_share": 0.0,
   "unbounded_share": 1.0,
   "confidence_median": 0.0,
   "window_m": [
    741.0,
    766.0
   ],
   "width_at_max25_m": 10.75,
   "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": "Merced-McLaren",
  "county": "California"
 }
}