{ "ocl_version": "0.1.0", "name": "Rue des Lilas", "slug": "rue-des-lilas", "confidence": "A", "reported_claims": [], "ladder": [ { "window_m": 2.0, "max_gradient_pct": 27.93108258108532, "diagnostic": true, "flags": [], "start_distance_m": 658.0, "end_distance_m": 660.0, "start_elevation_m": 389.8853807913273, "end_elevation_m": 390.444002442949, "min_gradient_pct": -2.7077151840416036 }, { "window_m": 3.0, "max_gradient_pct": 26.961542951388157, "diagnostic": true, "flags": [], "start_distance_m": 656.0, "end_distance_m": 659.0, "start_elevation_m": 389.3663568210524, "end_elevation_m": 390.17520310959407, "min_gradient_pct": -1.0980459257969717 }, { "window_m": 5.0, "max_gradient_pct": 26.857223860158683, "diagnostic": false, "flags": [], "start_distance_m": 655.0, "end_distance_m": 660.0, "start_elevation_m": 389.10114124994107, "end_elevation_m": 390.444002442949, "min_gradient_pct": -0.42972323526896616 }, { "window_m": 10.0, "max_gradient_pct": 26.406210782324706, "diagnostic": false, "flags": [], "start_distance_m": 652.0, "end_distance_m": 662.0, "start_elevation_m": 388.31082495275916, "end_elevation_m": 390.95144603099163, "min_gradient_pct": 0.7168105690533366 }, { "window_m": 20.0, "max_gradient_pct": 24.351328461470132, "diagnostic": false, "flags": [], "start_distance_m": 644.0, "end_distance_m": 664.0, "start_elevation_m": 386.545558627833, "end_elevation_m": 391.415824320127, "min_gradient_pct": 0.9090734753283414 }, { "window_m": 25.0, "max_gradient_pct": 23.65445948175511, "diagnostic": false, "flags": [], "start_distance_m": 640.0, "end_distance_m": 665.0, "start_elevation_m": 385.701877441507, "end_elevation_m": 391.6154923119458, "min_gradient_pct": 0.927167812616517 }, { "window_m": 50.0, "max_gradient_pct": 20.394639536464297, "diagnostic": false, "flags": [], "start_distance_m": 628.0, "end_distance_m": 678.0, "start_elevation_m": 383.99150929927254, "end_elevation_m": 394.1888290675047, "min_gradient_pct": 1.0434648743398611 }, { "window_m": 100.0, "max_gradient_pct": 16.837607490463313, "diagnostic": false, "flags": [], "start_distance_m": 578.0, "end_distance_m": 678.0, "start_elevation_m": 377.3512215770414, "end_elevation_m": 394.1888290675047, "min_gradient_pct": 1.211001825542553 } ], "shape": { "ascent_concentration": 0.391, "concentration_window_frac": 0.25, "longest_pitch_10pct_m": 108.0, "shape_class": "sustained" }, "length_m": 678.4935493838557, "start_elevation_m": 332.77422441479285, "end_elevation_m": 394.2556256225104, "endpoint_gain_m": 61.48140120771757, "overall_gradient_pct": 9.061456997424548, "accumulated_ascent_m": 61.65815781581193, "window_maxima": { "max_5m": { "gradient_pct": 26.857223860158683, "start_distance_m": 655.0, "end_distance_m": 660.0, "midpoint_distance_m": 657.5, "start_elevation_m": 389.10114124994107, "end_elevation_m": 390.444002442949, "start_xy": [ 740901.0049943231, 6517425.075924731 ], "end_xy": [ 740896.1344525388, 6517426.206332943 ] }, "max_10m": { "gradient_pct": 26.406210782324706, "start_distance_m": 652.0, "end_distance_m": 662.0, "midpoint_distance_m": 657.0, "start_elevation_m": 388.31082495275916, "end_elevation_m": 390.95144603099163, "start_xy": [ 740903.9273193937, 6517424.397679803 ], "end_xy": [ 740894.1862358251, 6517426.658496228 ] }, "max_20m": { "gradient_pct": 24.351328461470132, "start_distance_m": 644.0, "end_distance_m": 664.0, "midpoint_distance_m": 654.0, "start_elevation_m": 386.545558627833, "end_elevation_m": 391.415824320127, "start_xy": [ 740911.7201862487, 6517422.5890266625 ], "end_xy": [ 740892.2440758522, 6517427.13532074 ] }, "max_25m": { "gradient_pct": 23.65445948175511, "start_distance_m": 640.0, "end_distance_m": 665.0, "midpoint_distance_m": 652.5, "start_elevation_m": 385.701877441507, "end_elevation_m": 391.6154923119458, "start_xy": [ 740915.6166196761, 6517421.684700092 ], "end_xy": [ 740891.2760625762, 6517427.3862197185 ] }, "max_50m": { "gradient_pct": 20.394639536464297, "start_distance_m": 628.0, "end_distance_m": 678.0, "midpoint_distance_m": 653.0, "start_elevation_m": 383.99150929927254, "end_elevation_m": 394.1888290675047, "start_xy": [ 740927.3059199585, 6517418.971720383 ], "end_xy": [ 740878.654074826, 6517426.7373738 ] }, "max_100m": { "gradient_pct": 16.837607490463313, "start_distance_m": 578.0, "end_distance_m": 678.0, "midpoint_distance_m": 628.0, "start_elevation_m": 377.3512215770414, "end_elevation_m": 394.1888290675047, "start_xy": [ 740976.3275543097, 6517409.320833005 ], "end_xy": [ 740878.654074826, 6517426.7373738 ] } }, "window_minima": { "min_5m": { "gradient_pct": -0.42972323526896616, "start_distance_m": 96.0, "end_distance_m": 101.0, "midpoint_distance_m": 98.5, "start_elevation_m": 334.15076305535706, "end_elevation_m": 334.1292768935936, "start_xy": [ 741446.5079870309, 6517355.427235096 ], "end_xy": [ 741442.0399108484, 6517357.671404258 ] }, "min_10m": { "gradient_pct": 0.7168105690533366, "start_distance_m": 91.0, "end_distance_m": 101.0, "midpoint_distance_m": 96.0, "start_elevation_m": 334.0575958366883, "end_elevation_m": 334.1292768935936, "start_xy": [ 741450.8283889206, 6517352.948719329 ], "end_xy": [ 741442.0399108484, 6517357.671404258 ] }, "min_20m": { "gradient_pct": 0.9090734753283414, "start_distance_m": 36.0, "end_distance_m": 56.0, "midpoint_distance_m": 46.0, "start_elevation_m": 333.37618649918824, "end_elevation_m": 333.5580011942539, "start_xy": [ 741497.0031556952, 6517323.617361609 ], "end_xy": [ 741478.9398734698, 6517332.140314345 ] }, "min_25m": { "gradient_pct": 0.927167812616517, "start_distance_m": 29.0, "end_distance_m": 54.0, "midpoint_distance_m": 41.5, "start_elevation_m": 333.2998772291734, "end_elevation_m": 333.5316691823275, "start_xy": [ 741503.8350013157, 6517322.092276229 ], "end_xy": [ 741480.711479105, 6517331.212190715 ] }, "min_50m": { "gradient_pct": 1.0434648743398611, "start_distance_m": 9.0, "end_distance_m": 59.0, "midpoint_distance_m": 34.0, "start_elevation_m": 333.0692890930043, "end_elevation_m": 333.5910215301742, "start_xy": [ 741523.6079981781, 6517319.638150412 ], "end_xy": [ 741476.3750526565, 6517333.679587391 ] }, "min_100m": { "gradient_pct": 1.211001825542553, "start_distance_m": 10.0, "end_distance_m": 110.0, "midpoint_distance_m": 60.0, "start_elevation_m": 333.0801637560153, "end_elevation_m": 334.29116558155783, "start_xy": [ 741522.6087757534, 6517319.59872268 ], "end_xy": [ 741433.5397386989, 6517360.612203666 ] } }, "diagnostic_window_maxima": { "max_2m": { "gradient_pct": 27.93108258108532, "start_distance_m": 658.0, "end_distance_m": 660.0, "midpoint_distance_m": 659.0, "start_elevation_m": 389.8853807913273, "end_elevation_m": 390.444002442949, "start_xy": [ 740898.0826692525, 6517425.754169658 ], "end_xy": [ 740896.1344525388, 6517426.206332943 ] }, "max_3m": { "gradient_pct": 26.961542951388157, "start_distance_m": 656.0, "end_distance_m": 659.0, "midpoint_distance_m": 657.5, "start_elevation_m": 389.3663568210524, "end_elevation_m": 390.17520310959407, "start_xy": [ 740900.0308859663, 6517425.302006373 ], "end_xy": [ 740897.1085608957, 6517425.9802513 ] } }, "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": 0.003, "obstruction_max_height_m": 2.4, "flagged_windows_m": [] }, "review": [], "extent": [ "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_E740-N6517_0m5@22LHD4ML-2025-09-15.tif", "data/cache/fr/ign-lidarhd_dtm_E741-N6517_0m5@22LHD4ML-2025-09-15.tif" ], "calculated_at": "2026-09-22T17:33:29+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": [ "E740-N6517", "E741-N6517" ], "elevation_blocks": [ "22LHD4ML@2025-09-15" ], "ign_dalles": [ "LHD_FXX_0740_6518_MNT_O_0M50_LAMB93_IGN69", "LHD_FXX_0741_6518_MNT_O_0M50_LAMB93_IGN69" ], "ign_missions": [ "22LHD4ML" ], "ign_editions": [ "2025-09-15" ], "ign_dsm_edition": { "LHD_FXX_0740_6518_MNT_O_0M50_LAMB93_IGN69": "2025-09-15", "LHD_FXX_0741_6518_MNT_O_0M50_LAMB93_IGN69": "2025-09-15" }, "climb_origin": "discovered", "structure_own_ways": 2, "carriageway": { "stations": 33, "stations_resolved": 33, "width_median_m": 6.0, "width_p10_m": 4.5, "width_min_m": 3.5, "width_max_m": 12.0, "bounded_share": 0.333, "unbounded_share": 0.667, "confidence_median": 0.0, "width_median_bounded_m": 6.0, "window_m": [ 640.0, 665.0 ], "width_at_max25_m": 4.38, "window_stations": 6, "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": 33, "stations_resolved": 33, "width_median_m": 7.25, "width_p10_m": 2.9, "width_min_m": 1.0, "width_max_m": 11.25, "bounded_share": 0.636, "unbounded_share": 0.364, "confidence_median": 1.0, "width_median_bounded_m": 6.0, "window_m": [ 640.0, 665.0 ], "width_at_max25_m": 2.62, "window_stations": 6, "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": "Courpi\u00e8re", "county": "Puy-de-D\u00f4me", "source": "OpenStreetMap administrative boundaries (\u00a9 OpenStreetMap contributors, ODbL)" } }