{"id":"https://data.mapsnap.org/runs/v2.0/iiif/chronoscope/sanborn05404_002.main.iiif.json","type":"AnnotationPage","@context":["http://www.w3.org/ns/anno.jsonld"],"label":"Allentown, New-Jersey | 1922 | mapsnap generated fit (2026-10-19)","creator":{"type":"Software","name":"mapsnap","homepage":"https://mapsnap.org"},"rights":"https://opendatacommons.org/licenses/odbl/1-0/","metadata":[{"label":"generated","value":"2026-10-19"},{"label":"run","value":"corpus-v2"},{"label":"pages","value":"10"},{"label":"placed","value":"2"},{"label":"unplaced","value":"8"},{"label":"fit sources","value":"georef-snap 2"},{"label":"key map","value":"georeferenced"},{"label":"split sheets","value":"4 sheet(s) cut into 7 panels"},{"label":"unplaced pages","value":"p1__1 (tier 4, 40.17900,-74.58487 +/-242m); p2 (tier 1, 40.21380,-74.01405 +/-100m); p3 (tier 1, 40.21071,-74.01563 +/-515m); p4__1 (tier 1, 40.43895,-74.12918 +/-510m); p4__2 (tier 1, 40.17961,-74.58659 +/-234m); p5__2 (tier 1, 40.18011,-74.58878 +/-374m); p7__1 (tier 4, 40.17900,-74.58487 +/-242m); p7__2 (tier 4, 40.17900,-74.58487 +/-242m)"}],"items":[{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd381m:g3814m:g3814am:g3814am_g054041922:05404_1922-0005__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Allentown, New-Jersey | 1922 | sanborn05404_002 p5 [1]","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.67"},{"label":"confidence_provisional","value":"true"},{"label":"confidence_model","value":"corpus-v2"},{"label":"split_canvas_x","value":"0.0"},{"label":"split_canvas_y","value":"3427.2"},{"label":"split_canvas_w","value":"6452.0"},{"label":"split_canvas_h","value":"4224.8"}],"created":"2026-10-19T23:50:31Z","modified":"2026-10-19T23:50:31Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd381m:g3814m:g3814am:g3814am_g054041922:05404_1922-0005__1/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd381m:g3814m:g3814am:g3814am_g054041922:05404_1922-0005","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"178.9,959.4 98.8,960.0 54.7,1004.3 106.4,1243.9 151.2,1233.4 254.1,1348.4 233.2,1396.7 394.2,1543.5 271.9,1682.3 236.8,1797.5 176.6,1851.3 326.1,1831.0 448.4,1692.2 516.7,1680.4 623.0,1782.6 608.4,1810.4 817.5,1840.3 978.3,1805.0 1023.3,1838.8 1350.4,1901.2 1552.4,1873.5 1591.4,1316.4 1567.0,1146.0 1612.0,1115.6 1612.0,1113.3 1612.0,1110.9 1188.5,987.1 1191.2,962.0 945.2,964.2 818.9,967.8 593.5,964.9 178.8,962.5 178.9,959.4\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd381m:g3814m:g3814am:g3814am_g054041922:05404_1922-0005__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[593.0,965.7],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-74.58644425187111,40.17924604787289]}},{"type":"Feature","properties":{"resourceCoords":[393.0,965.7],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-74.587160396004,40.179735288035324]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd381m:g3814m:g3814am:g3814am_g054041922:05404_1922-0006/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Allentown, New-Jersey | 1922 | sanborn05404_002 p6","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.29"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-19T23:50:31Z","modified":"2026-10-19T23:50:31Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd381m:g3814m:g3814am:g3814am_g054041922:05404_1922-0006/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd381m:g3814m:g3814am:g3814am_g054041922:05404_1922-0006","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1466.2,1888.6 1537.0,1841.6 1539.5,1639.1 1578.9,1484.3 1572.3,1379.9 1499.9,1223.2 1492.2,1094.7 1557.5,461.6 1559.3,269.8 1524.5,190.2 1558.7,115.1 1526.5,78.3 1370.7,94.8 1226.9,50.8 1003.5,41.6 879.7,100.2 721.7,273.9 493.9,333.7 246.9,235.0 352.7,412.5 217.7,521.0 101.5,502.8 72.2,1650.2 3.9,1715.1 1.0,1715.1 1.0,1718.3 424.9,1724.7 655.7,1729.7 785.0,1727.2 1036.9,1727.2 1033.8,1753.0 1466.2,1883.8 1466.2,1888.6\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd381m:g3814m:g3814am:g3814am_g054041922:05404_1922-0006/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1133.0,1041.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-74.5818272849793,40.179414474987894]}},{"type":"Feature","properties":{"resourceCoords":[444.0,1722.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-74.58636459277382,40.17920907105125]}}]}}]}