{"id":"nelsons-column","name":"Nelson's Column","anchor":[-0.12792960922045085,51.50775729907043],"heading":0,"units":"metres","axes":"X east / Y up / Z south","minZoom":15,"detailZoom":17,"lods":{"low":{"url":"/models/nelsons-column/71d2cb95a98738c192b138b9ef668d55e443a249ee9d06d37f539cf8bedccdee/low.glb","bytes":64600,"sha256":"71d2cb95a98738c192b138b9ef668d55e443a249ee9d06d37f539cf8bedccdee","triangles":2848,"gzip":{"url":"/models/nelsons-column/71d2cb95a98738c192b138b9ef668d55e443a249ee9d06d37f539cf8bedccdee/low.glb.gz","bytes":31435,"sha256":"90bd9c0bd1447ef4ae5ae4b80a9a59cb4cdd2f0fcb19f8e7b6e5280954d06f93","encoding":"gzip-file"}},"detail":{"url":"/models/nelsons-column/a2a1138a7e3b3f5434f423d1d5d0f9daed64c5ecc8fcf365651a9c7c41713a08/detail.glb","bytes":293112,"sha256":"a2a1138a7e3b3f5434f423d1d5d0f9daed64c5ecc8fcf365651a9c7c41713a08","triangles":13352,"gzip":{"url":"/models/nelsons-column/a2a1138a7e3b3f5434f423d1d5d0f9daed64c5ecc8fcf365651a9c7c41713a08/detail.glb.gz","bytes":143959,"sha256":"bc23ecd960414c19e4baf35a1fde1f1890776c9d03308e17d538a92e8c76d2f8","encoding":"gzip-file"}}},"triangles":13352,"boundsBlenderM":[[-14.947344779968262,-14.652567863464355,0],[14.900065422058105,14.98655891418457,51.599998474121094]],"entranceLights":[],"replacementFootprint":{"type":"Polygon","coordinates":[[[-0.1278729,51.5078444],[-0.127828,51.507892],[-0.1277924,51.507879],[-0.1278374,51.5078314],[-0.1277896,51.5077219],[-0.127715,51.5076942],[-0.1277366,51.5076716],[-0.1278113,51.5076993],[-0.1279876,51.5076692],[-0.1280254,51.5076256],[-0.1280613,51.5076377],[-0.1280235,51.5076813],[-0.1280718,51.5077917],[-0.1281449,51.5078181],[-0.128124,51.5078406],[-0.1280508,51.5078142],[-0.1278729,51.5078444]]]},"basemapReplacement":null,"osm":{"type":"way","id":150920358,"version":13,"timestamp":"2026-07-20T10:16:46Z","url":"https://www.openstreetmap.org/way/150920358"},"additionalOsm":[],"rightsStatus":"review-required","geometryStatus":"draft","attribution":"Open Landmarks; contains © OpenStreetMap contributors, ODbL-1.0; Architectural measurements from the linked official sources","references":[{"title":"File:Nelson's Column, Trafalgar Square, London.JPG","author":"Beata May","license":"CC BY-SA 3.0","licenseUrl":"https://creativecommons.org/licenses/by-sa/3.0","sourcePage":"https://commons.wikimedia.org/wiki/File:Nelson%27s_Column,_Trafalgar_Square,_London.JPG","sourceSha1":"2b31457c002c068adef07ef87d3f5fc58e6b9827","use":"visual-reference-only","view":"Individually inspected: full shaft and statue in first image; second provides close pedestal relief and reclining lion with outward-facing head. Fluted taper, bronze Corinthian capital, stepped granite plinth, four lions at angles. Fine figurative likeness and relief narratives are schematic."},{"title":"File:Elizabeth Tower and Whitehall from Trafalgar Square - August 2024.jpg","author":"Captain Galaxy","license":"CC BY 4.0","licenseUrl":"https://creativecommons.org/licenses/by/4.0","sourcePage":"https://commons.wikimedia.org/wiki/File:Elizabeth_Tower_and_Whitehall_from_Trafalgar_Square_-_August_2024.jpg","sourceSha1":"b6c159636d865e6c061e980733d363cab247de71","use":"visual-reference-only","view":"Individually inspected: full shaft and statue in first image; second provides close pedestal relief and reclining lion with outward-facing head. Fluted taper, bronze Corinthian capital, stepped granite plinth, four lions at angles. Fine figurative likeness and relief narratives are schematic."}],"aliases":["Nelson’s Column","Trafalgar Square","London"],"authors":["Open Landmarks contributors"],"artisticLicense":"CC-BY-4.0","spatialDataLicense":"ODbL-1.0","licenseScope":"CC BY applies to original artistic contributions only; ODbL applies to OSM-derived spatial data. Reference photographs retain their own licenses. Dimension evidence from https://historicengland.org.uk/listing/the-list/list-entry/1276052?section=official-list-entry, https://www.london.gov.uk/who-we-are/city-halls-buildings-and-squares/trafalgar-square retains factual measurements; source documents are linked, not redistributed.","assistance":"AI-assisted architectural interpretation and procedural recipe authoring; deterministic Python/Blender export. No photographic textures.","review":{"status":"pending","reviewer":null,"checks":{},"notes":"Automated export and source-registration checks, and multi-view studio inspection, are retained in the linked evidence. Independent rights, appearance and map integration approval remains pending.","evidence":"https://github.com/benjamintd/open-landmarks/blob/main/collection/nelsons-column/review-evidence.json"},"modelingNotes":["Actual OSM way/150920358 (Q842089) supplies the complete stepped plinth outline; eight original building parts supply tiers1.7,2.7,3.7,4.7,14m, shaft plan and43-44m capital. The source outline lacks a height; total51.6m comes from the separate mapped Nelson statue way/1222903661 with min_height46m, retained under sculptures.","Historic England entry1276052 confirms stepped granite plinth, four bronze battle reliefs, fluted granite column, bronze Corinthian capital, stone Nelson and four Landseer lions. https://historicengland.org.uk/listing/the-list/list-entry/1276052?section=official-list-entry City Hall describes the statue as5m rounded; the mapped5.6m upper interval includes its supporting podium.","Individually inspected Commons full monument view and August2024 close pedestal/lion view establish the taper, plinth coursing, capital profile, uniformed standing Nelson with bicorne and outward-facing reclining lions. The four lion positions,1.7m bottom and5m top come from original OSM nodes346364635,346364721,346364767,346364819.","The32m OSM14-46 shaft interval includes the capital: the fluted shaft stops43m, bronze leaves/volutes occupy43-46m, and Nelson plus support occupy46-51.6m. Twenty-four flutes, slight taper, collar mouldings, leaf and volute counts, lion body shapes and battle relief masses are photographic inference. Faces, inscriptions, medals and literal sculpture likeness are omitted.","Both LODs retain mapped tiers,24 flutes, the Corinthian silhouette, four original abstract reclining lions and Nelson. Low reduces curved tessellation and omits fine capital leaves, masonry joints and miniature relief figures. No surrounding square pavement or unrelated monuments are exported."],"source":{"url":"/objects/3f008477f65f05ae8df03bf938e00514bf001c454d56d3b76a67d9f332ad40c5/source.blend.gz","bytes":338354,"sha256":"3f008477f65f05ae8df03bf938e00514bf001c454d56d3b76a67d9f332ad40c5"},"spatialSource":{"url":"/objects/cc56fb26a13c48de6b06d20dab4778a31bd48b87dfb42dfafbf97829bccd0c67/spatial-source.json","bytes":8597,"sha256":"cc56fb26a13c48de6b06d20dab4778a31bd48b87dfb42dfafbf97829bccd0c67"},"preview":{"url":"/objects/6bbef721e77aa537e76749b3a4651e734326c5db2fde0a29a936ca588cfc91fa/preview.webp","bytes":5790,"sha256":"6bbef721e77aa537e76749b3a4651e734326c5db2fde0a29a936ca588cfc91fa"},"previewDirection":[1.5,0.75,2],"wikidata":"Q842089","revision":"ce345a78e44bbe4c688c01b140fe765c1d0e604c15bbb2c138e0a0077292c1d4","publicationRevision":"f45c9f422ea032d38e915dff659cc70a0b0d3277e5c4d214aaf9f97bdeddfca5","bounds":[-0.1281449,51.5076256,-0.127715,51.507892],"approved":false,"materialLibrary":{"schemaVersion":1,"sha256":"7afc40cf0b82b7c3c054f287817be2a37e52192aa734f187f8b20ee3277187dd","url":"/materials/7afc40cf0b82b7c3c054f287817be2a37e52192aa734f187f8b20ee3277187dd.json"},"metadata":"/assets/nelsons-column/f45c9f422ea032d38e915dff659cc70a0b0d3277e5c4d214aaf9f97bdeddfca5/asset.json","validation":"/assets/nelsons-column/f45c9f422ea032d38e915dff659cc70a0b0d3277e5c4d214aaf9f97bdeddfca5/validation.json"}