{"id":"https://data.mapsnap.org/runs/v2.0/iiif/chronoscope/sanborn00754_002.main.iiif.json","type":"AnnotationPage","@context":["http://www.w3.org/ns/anno.jsonld"],"label":"Perris, California | 1892 | 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":"3"},{"label":"placed","value":"2"},{"label":"unplaced","value":"1"},{"label":"fit sources","value":"georef 2"},{"label":"key map","value":"none"},{"label":"split sheets","value":"1 sheet(s) cut into 2 panels"},{"label":"unplaced pages","value":"p1__2 (tier 1, 33.80109,-117.22045 +/-108m)"}],"items":[{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364pm:g4364pm_g007541892:00754_1892-0001__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Perris, California | 1892 | sanborn00754_002 p1 [1]","metadata":[{"label":"streets","value":"5"},{"label":"intersections","value":"5"},{"label":"confidence","value":"0.53"},{"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":"2026-10-18T11:36:03Z","modified":"2026-10-18T11:36:03Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364pm:g4364pm_g007541892:00754_1892-0001__1/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364pm:g4364pm_g007541892:00754_1892-0001","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"31.9,1875.5 93.9,1873.4 270.8,1835.4 407.8,1826.1 406.4,1868.8 1538.9,1876.5 1539.0,1846.6 1564.8,1846.5 1586.0,750.5 1322.4,742.2 1301.0,948.7 1301.0,961.0 1299.7,961.0 1299.7,961.8 986.6,961.0 1066.9,545.7 1073.8,510.2 1074.4,507.0 1052.6,455.7 1052.9,382.4 1075.4,236.1 1024.7,89.5 197.6,27.8 64.9,268.9 23.5,1542.8 31.9,1875.5\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364pm:g4364pm_g007541892:00754_1892-0001__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1533.0,711.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-117.2261207,33.7844568]}},{"type":"Feature","properties":{"resourceCoords":[1533.0,143.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-117.2261254,33.7855033]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364pm:g4364pm_g007541892:00754_1892-0002/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Perris, California | 1892 | sanborn00754_002 p2","metadata":[{"label":"streets","value":"5"},{"label":"intersections","value":"5"},{"label":"confidence","value":"0.49"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-18T11:36:03Z","modified":"2026-10-18T11:36:03Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364pm:g4364pm_g007541892:00754_1892-0002/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364pm:g4364pm_g007541892:00754_1892-0002","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1605.2,22.1 1578.2,22.1 1578.2,53.4 395.8,44.6 397.2,1.0 382.4,1.0 254.3,9.6 69.5,49.2 4.8,51.4 48.3,1821.5 369.1,1884.0 705.8,1786.1 1141.5,1788.0 1317.0,1857.5 1569.4,1828.1 1605.2,22.1\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364pm:g4364pm_g007541892:00754_1892-0002/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1576.0,612.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-117.2260974,33.7813235]}},{"type":"Feature","properties":{"resourceCoords":[1576.0,1747.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-117.226087,33.7793204]}}]}}]}