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Landmarks; contains © OpenStreetMap contributors, ODbL-1.0","references":[{"title":"File:San Francisco City Hall, aerial shot.jpg","author":"Kitchen from San Francisco","license":"CC BY 2.0","licenseUrl":"https://creativecommons.org/licenses/by/2.0","sourcePage":"https://commons.wikimedia.org/wiki/File:San_Francisco_City_Hall,_aerial_shot.jpg","sourceSha1":"18ebb5e9f44d33948c3e40933c784bea9dc99bae","use":"visual-reference-only","view":"aerial"},{"title":"File:San Francisco City Hall 2.JPG","author":"Sanfranman59","license":"CC BY-SA 3.0","licenseUrl":"https://creativecommons.org/licenses/by-sa/3.0","sourcePage":"https://commons.wikimedia.org/wiki/File:San_Francisco_City_Hall_2.JPG","sourceSha1":"210ad49ddab1f53cfde4d24866687156a32a5a21","use":"visual-reference-only","view":"exterior"}],"kind":"building","aliases":[],"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.","assistance":"AI-assisted architectural interpretation and procedural recipe authoring; deterministic Python/Blender export. No photographic textures.","review":{"status":"pending","reviewer":null,"checks":{}},"modelingNotes":["Mapped: OSM relation7261820 v17 supplies original footprint and both open light courts. Eighteen original building parts retain every source tag/version/date in the bundle. The base is30m; crossing roof35/38m; mapped drum stages40,46,56,60m; dome75m; lantern78/80/81/90m; finial93m. No approximate cadastral rectangle replaces the mapped footprint.","Resourced: individually inspected Commons San Francisco City Hall aerial shot (CC BY2.0) and City Hall2.JPG (CC BY-SA3.0) establish the open paired courts, low perimeter roofs, giant facade columns, main pediment, tall drum windows, dome ribs and slender open lantern. The SF government docent presentation identifies gold leaf decoration. OSM93m maximum is retained instead of rounding the307.5ft published total to a different height.","Inferred: moulding depths, column radii/capitals, window spacing, roof profiles, lantern colonnade and abstract pediment sculpture are authored from those photos. The drum and dome are inside their source polygons. Both LODs retain courts, column order, dome/lantern stages and tall finial. The lower perimeter pitched roof occupies a narrow band inside the source outline; the remaining terrace is flat. The inferred narrow roof band is split into robust offset regions rather than sweeping folding miters around minor outline notches; the cadastral base and facade support planes remain exact."],"source":{"url":"/objects/eda477688e4a624a0688353690271542605cef0ae36689a1b7936de998d9d076/source.blend.gz","bytes":692721,"sha256":"eda477688e4a624a0688353690271542605cef0ae36689a1b7936de998d9d076"},"spatialSource":{"url":"/objects/781ad163d82a0cfe3f4dc1376621bf1b0e10a0ff903ce2097508da753b7618c1/spatial-source.json","bytes":84773,"sha256":"781ad163d82a0cfe3f4dc1376621bf1b0e10a0ff903ce2097508da753b7618c1"},"preview":{"url":"/objects/8fc9b372171863660a99def75bb069becae3c770ae8598b06660781068f2c751/preview.webp","bytes":18056,"sha256":"8fc9b372171863660a99def75bb069becae3c770ae8598b06660781068f2c751"},"previewDirection":[1,0.45,0.2],"revision":"ae2f975dcae869c0ec2816f2d8ec9a27bb297ee5337ad8e42aa2c620155fea3e","publicationRevision":"9bbb371bc1a07295beadb41ddff915e0bac8b921bfaf0501cd8291b004dc4535","bounds":[-122.419833,37.7786554,-122.41863,37.7798972],"approved":false,"materialLibrary":{"schemaVersion":1,"sha256":"7afc40cf0b82b7c3c054f287817be2a37e52192aa734f187f8b20ee3277187dd","url":"/materials/7afc40cf0b82b7c3c054f287817be2a37e52192aa734f187f8b20ee3277187dd.json"},"metadata":"/assets/san-francisco-city-hall/9bbb371bc1a07295beadb41ddff915e0bac8b921bfaf0501cd8291b004dc4535/asset.json","validation":"/assets/san-francisco-city-hall/9bbb371bc1a07295beadb41ddff915e0bac8b921bfaf0501cd8291b004dc4535/validation.json"}