{"id":"https://data.mapsnap.org/runs/v2.0/iiif/chronoscope/sanborn00735_003.main.iiif.json","type":"AnnotationPage","@context":["http://www.w3.org/ns/anno.jsonld"],"label":"Ontario, California | 1893 | mapsnap generated fit (2026-10-18)","creator":{"type":"Software","name":"mapsnap","homepage":"https://mapsnap.org"},"rights":"https://opendatacommons.org/licenses/odbl/1-0/","metadata":[{"label":"generated","value":"2026-10-18"},{"label":"run","value":"corpus-v2"},{"label":"pages","value":"5"},{"label":"placed","value":"2"},{"label":"unplaced","value":"3"},{"label":"fit sources","value":"georef 1, georef-snap 1"},{"label":"key map","value":"none"},{"label":"split sheets","value":"1 sheet(s) cut into 2 panels"},{"label":"unplaced pages","value":"p1__2 (tier 1, 34.06548,-117.64829 +/-222m); p3 (tier 4, 34.06168,-117.64985 +/-161m); p4 (tier 4, 34.06168,-117.64985 +/-161m)"}],"items":[{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g007351893:00735_1893-0001__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Ontario, California | 1893 | sanborn00735_003 p1 [1]","metadata":[{"label":"streets","value":"5"},{"label":"intersections","value":"3"},{"label":"confidence","value":"0.13"},{"label":"confidence_provisional","value":"true"},{"label":"confidence_model","value":"corpus-v2"},{"label":"split_canvas_x","value":"0.0"},{"label":"split_canvas_y","value":"1620.0"},{"label":"split_canvas_w","value":"6452.0"},{"label":"split_canvas_h","value":"6032.0"}],"created":"2026-10-18T15:19:44Z","modified":"2026-10-18T15:19:44Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g007351893:00735_1893-0001__1/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g007351893:00735_1893-0001","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"265.0,895.3 264.1,934.7 185.7,936.5 140.3,1571.2 94.3,1571.3 105.4,1797.1 264.9,1907.0 1560.0,1855.0 1563.5,1113.0 1433.0,1010.6 1256.0,1010.0 1251.2,1002.4 1181.7,439.0 1043.3,438.7 744.7,447.2 709.0,858.4 709.0,875.1 709.0,891.5 265.0,895.3\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g007351893:00735_1893-0001__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[701.0,1849.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-117.6483889,34.0600332]}},{"type":"Feature","properties":{"resourceCoords":[180.0,1849.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-117.6495552,34.0600286]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g007351893:00735_1893-0002/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Ontario, California | 1893 | sanborn00735_003 p2","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.50"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-18T15:19:44Z","modified":"2026-10-18T15:19:44Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g007351893:00735_1893-0002/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g007351893:00735_1893-0002","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"628.7,1834.3 630.3,1912.0 669.3,1912.0 669.0,1874.5 1569.8,1851.5 1552.7,58.4 1151.4,54.6 54.0,47.5 43.0,1740.7 1.0,1742.7 1.0,1788.4 628.7,1834.3\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g007351893:00735_1893-0002/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1151.0,63.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-117.65356296588598,34.062677222708466]}},{"type":"Feature","properties":{"resourceCoords":[1151.0,1817.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-117.64959912634265,34.062698645440804]}}]}}]}