{"id":"https://data.mapsnap.org/runs/v2.0/iiif/chronoscope/sanborn00717_002.main.iiif.json","type":"AnnotationPage","@context":["http://www.w3.org/ns/anno.jsonld"],"label":"Newport Beach, California | 1912 | mapsnap generated fit (2026-10-22)","creator":{"type":"Software","name":"mapsnap","homepage":"https://mapsnap.org"},"rights":"https://opendatacommons.org/licenses/odbl/1-0/","metadata":[{"label":"generated","value":"2026-10-22"},{"label":"run","value":"corpus-v2.1"},{"label":"pages","value":"3"},{"label":"placed","value":"1"},{"label":"unplaced","value":"2"},{"label":"fit sources","value":"georef 1"},{"label":"key map","value":"none"},{"label":"split sheets","value":"1 sheet(s) cut into 2 panels"},{"label":"unplaced pages","value":"p2__1 (tier 1, 33.62837,-117.95016 +/-177m); p2__2 (tier 1, 33.62827,-117.94989 +/-176m)"}],"items":[{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364nm:g4364nm_g007171912:00717_1912-0001/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Newport Beach, California | 1912 | sanborn00717_002 p1","metadata":[{"label":"streets","value":"1"},{"label":"intersections","value":"6"},{"label":"confidence","value":"0.08"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-22T13:20:31Z","modified":"2026-10-22T13:20:31Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364nm:g4364nm_g007171912:00717_1912-0001/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364nm:g4364nm_g007171912:00717_1912-0001","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"60.7,1616.4 26.4,1272.5 83.9,971.1 34.4,805.5 134.8,737.2 56.8,622.4 144.4,457.9 141.7,145.0 482.4,28.9 1125.1,32.9 1340.3,149.0 1520.6,120.9 1535.8,205.0 1480.2,725.4 1567.4,792.0 1610.3,1843.5 556.6,1898.5 163.1,1767.1 60.7,1616.4\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364nm:g4364nm_g007171912:00717_1912-0001/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[214.0,1308.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-117.9545837,33.6287444]}},{"type":"Feature","properties":{"resourceCoords":[214.0,1683.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-117.9540046,33.6284168]}}]}}]}