{"id":"https://data.mapsnap.org/runs/v2.0/iiif/chronoscope/sanborn00447_001.main.iiif.json","type":"AnnotationPage","@context":["http://www.w3.org/ns/anno.jsonld"],"label":"Capistrano Beach, California | 1929 | mapsnap generated fit (2026-10-17)","creator":{"type":"Software","name":"mapsnap","homepage":"https://mapsnap.org"},"rights":"https://opendatacommons.org/licenses/odbl/1-0/","metadata":[{"label":"generated","value":"2026-10-17"},{"label":"run","value":"corpus-v2"},{"label":"pages","value":"4"},{"label":"placed","value":"1"},{"label":"unplaced","value":"3"},{"label":"fit sources","value":"georef 1"},{"label":"key map","value":"none"},{"label":"split sheets","value":"1 sheet(s) cut into 4 panels"},{"label":"unplaced pages","value":"p1__1 (tier 4, 33.46537,-117.67807 +/-100m); p1__3 (tier 4, 33.46537,-117.67807 +/-100m); p1__4 (tier 4, 33.46537,-117.67807 +/-100m)"}],"items":[{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364cm:g4364cm_g004471929:00447_1929-0001__2/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Capistrano Beach, California | 1929 | sanborn00447_001 p1 [2]","metadata":[{"label":"streets","value":"5"},{"label":"intersections","value":"3"},{"label":"confidence","value":"0.04"},{"label":"confidence_provisional","value":"true"},{"label":"confidence_model","value":"corpus-v2"},{"label":"split_canvas_x","value":"0.0"},{"label":"split_canvas_y","value":"0.0"},{"label":"split_canvas_w","value":"6452.0"},{"label":"split_canvas_h","value":"7652.0"}],"created":"2026-10-17T23:20:50Z","modified":"2026-10-17T23:20:50Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364cm:g4364cm_g004471929:00447_1929-0001__2/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364cm:g4364cm_g004471929:00447_1929-0001","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1588.4,1866.5 1603.5,445.7 1543.5,62.2 1052.3,17.8 962.0,323.0 962.0,341.5 956.5,341.5 956.0,343.4 647.5,369.1 647.7,387.4 647.8,402.8 193.0,406.8 52.0,418.5 27.7,1155.8 176.4,1207.9 184.8,1207.9 202.1,1207.8 261.2,1207.4 295.5,1249.7 464.2,1531.3 477.7,1866.3 1588.4,1866.5\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364cm:g4364cm_g004471929:00447_1929-0001__2/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[9.0,870.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-117.6793395,33.4663752]}},{"type":"Feature","properties":{"resourceCoords":[185.0,1379.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-117.6797088,33.465445]}}]}}]}