{"id":"https://data.mapsnap.org/runs/v2.0/iiif/chronoscope/sanborn04821_001.main.iiif.json","type":"AnnotationPage","@context":["http://www.w3.org/ns/anno.jsonld"],"label":"Parkville, Missouri | 1926 | 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":"1"},{"label":"unplaced","value":"4"},{"label":"fit sources","value":"georef 1"},{"label":"key map","value":"none"},{"label":"split sheets","value":"2 sheet(s) cut into 5 panels"},{"label":"unplaced pages","value":"p1__1 (tier 1, 39.19580,-94.68272 +/-153m); p1__3 (tier 4, 39.19024,-94.68466 +/-100m); p2__1 (tier 2, 39.19013,-94.68285 +/-100m); p2__2 (tier 2, 39.19013,-94.68285 +/-100m)"}],"items":[{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd416m:g4164m:g4164pm:g4164pm_g048211926:04821_1926-0001__2/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Parkville, Missouri | 1926 | sanborn04821_001 p1 [2]","metadata":[{"label":"streets","value":"9"},{"label":"intersections","value":"18"},{"label":"confidence","value":"0.63"},{"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":"2026-10-18T04:48:01Z","modified":"2026-10-18T04:48:01Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd416m:g4164m:g4164pm:g4164pm_g048211926:04821_1926-0001__2/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd416m:g4164m:g4164pm:g4164pm_g048211926:04821_1926-0001","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1172.3,1887.4 1567.5,1832.8 1500.0,1650.1 1566.0,1642.2 1560.8,147.4 1435.3,45.9 1244.7,32.8 797.7,29.2 578.5,104.3 500.3,398.1 538.4,573.6 651.1,577.4 655.8,577.3 655.8,577.5 660.3,1129.5 645.1,1159.1 601.8,1159.5 485.2,1219.0 140.9,1236.5 41.0,1559.8 94.3,1793.8 672.8,1745.0 1172.3,1887.4\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd416m:g4164m:g4164pm:g4164pm_g048211926:04821_1926-0001__2/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1204.0,894.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-94.6837149,39.1903532]}},{"type":"Feature","properties":{"resourceCoords":[1542.0,894.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-94.6829121,39.190348]}}]}}]}