{"id":"https://data.mapsnap.org/runs/v2.0/iiif/chronoscope/sanborn06793_002.main.iiif.json","type":"AnnotationPage","@context":["http://www.w3.org/ns/anno.jsonld"],"label":"Mechanicsburg, Ohio | 1897 | 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":"7"},{"label":"placed","value":"3"},{"label":"unplaced","value":"4"},{"label":"fit sources","value":"georef 2, georef-snap 1"},{"label":"key map","value":"none"},{"label":"split sheets","value":"2 sheet(s) cut into 6 panels"},{"label":"unplaced pages","value":"p1__1 (tier 4, 40.07182,-83.55677 +/-210m); p1__3 (tier 4, 40.07182,-83.55677 +/-210m); p1__4 (tier 1, 40.07263,-83.55527 +/-183m); p3__2 (tier 1, 40.07430,-83.56371 +/-100m)"}],"items":[{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084mm:g4084mm_g067931897:06793_1897-0001__2/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Mechanicsburg, Ohio | 1897 | sanborn06793_002 p1 [2]","metadata":[{"label":"streets","value":"2"},{"label":"intersections","value":"1"},{"label":"confidence","value":"0.85"},{"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":"3152.8"},{"label":"split_canvas_h","value":"3672.0"}],"created":"2026-10-19T10:53:29Z","modified":"2026-10-19T10:53:29Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084mm:g4084mm_g067931897:06793_1897-0001__2/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084mm:g4084mm_g067931897:06793_1897-0001","type":"ImageService3","width":1628,"height":1927},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"754.4,633.6 764.4,9.6 541.2,47.1 482.3,126.6 441.6,573.9 441.6,588.0 441.5,588.0 440.3,588.0 439.9,592.1 247.3,605.9 253.4,691.5 51.2,646.9 20.2,740.5 37.7,836.0 732.2,845.4 752.2,862.8 754.4,633.6\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084mm:g4084mm_g067931897:06793_1897-0001__2/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-83.55993624291796,40.071465181616944]}},{"type":"Feature","properties":{"resourceCoords":[788.2,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-83.5585519326527,40.07238282706219]}},{"type":"Feature","properties":{"resourceCoords":[788.2,918.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-83.55715372542274,40.07114980815359]}},{"type":"Feature","properties":{"resourceCoords":[0.0,918.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-83.55853803568799,40.07023216270834]}},{"type":"Feature","properties":{"resourceCoords":[752.2,869.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-83.5572916,40.0711737]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084mm:g4084mm_g067931897:06793_1897-0002/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Mechanicsburg, Ohio | 1897 | sanborn06793_002 p2","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.90"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-19T10:53:29Z","modified":"2026-10-19T10:53:29Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084mm:g4084mm_g067931897:06793_1897-0002/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084mm:g4084mm_g067931897:06793_1897-0002","type":"ImageService3","width":1628,"height":1927},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"458.6,115.9 764.7,111.3 1483.1,119.4 1554.7,117.6 1561.7,129.8 1583.8,1785.5 1550.6,1846.9 591.4,1878.0 159.6,1774.6 60.4,1588.3 46.1,864.2 135.0,530.2 51.8,418.0 58.2,132.8 28.4,107.0 458.6,115.9\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084mm:g4084mm_g067931897:06793_1897-0002/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1573.0,1555.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-83.55235605683309,40.07103446788452]}},{"type":"Feature","properties":{"resourceCoords":[757.0,107.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-83.5559970226787,40.0720315538038]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084mm:g4084mm_g067931897:06793_1897-0003__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Mechanicsburg, Ohio | 1897 | sanborn06793_002 p3 [1]","metadata":[{"label":"streets","value":"8"},{"label":"intersections","value":"9"},{"label":"confidence","value":"0.94"},{"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":"6512.0"},{"label":"split_canvas_h","value":"7708.0"}],"created":"2026-10-19T10:53:29Z","modified":"2026-10-19T10:53:29Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084mm:g4084mm_g067931897:06793_1897-0003__1/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084mm:g4084mm_g067931897:06793_1897-0003","type":"ImageService3","width":1628,"height":1927},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"42.7,1802.1 474.6,1807.0 781.8,1799.6 1502.9,1801.0 1574.7,1798.5 1581.5,1798.5 1575.5,1528.2 1493.5,1448.5 1121.5,1451.6 1123.5,850.3 1126.6,847.0 1571.0,804.9 1537.0,117.8 1341.2,31.1 52.8,43.6 39.0,929.5 35.1,1566.0 35.3,1795.8 42.7,1802.1\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084mm:g4084mm_g067931897:06793_1897-0003__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[784.0,810.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-83.557459,40.0733745]}},{"type":"Feature","properties":{"resourceCoords":[1555.0,805.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-83.556105,40.0742672]}}]}}]}