{"id":"https://data.mapsnap.org/runs/v2.0/iiif/chronoscope/sanborn04830_002.main.iiif.json","type":"AnnotationPage","@context":["http://www.w3.org/ns/anno.jsonld"],"label":"Plattsburg, Missouri | 1892 | mapsnap generated fit (2026-10-17)","creator":{"type":"Software","name":"mapsnap","homepage":"https://mapsnap.org"},"rights":"https://opendatacommons.org/licenses/odbl/1-0/","metadata":[{"label":"generated","value":"2026-10-17"},{"label":"run","value":"corpus-v2"},{"label":"pages","value":"2"},{"label":"placed","value":"1"},{"label":"unplaced","value":"1"},{"label":"fit sources","value":"georef 1"},{"label":"key map","value":"none"},{"label":"split sheets","value":"1 sheet(s) cut into 2 panels"},{"label":"unplaced pages","value":"p1__2 (tier 4, 39.56553,-94.44801 +/-100m)"}],"items":[{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd416m:g4164m:g4164pm:g4164pm_g048301892:04830_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":"Plattsburg, Missouri | 1892 | sanborn04830_002 p1 [1]","metadata":[{"label":"streets","value":"6"},{"label":"intersections","value":"14"},{"label":"confidence","value":"0.80"},{"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":"2026-10-17T04:43:43Z","modified":"2026-10-17T04:43:43Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd416m:g4164m:g4164pm:g4164pm_g048301892:04830_1892-0001__1/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd416m:g4164m:g4164pm:g4164pm_g048301892:04830_1892-0001","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1015.3,1890.2 1489.9,1863.2 1554.8,1782.1 1565.8,79.6 1485.0,36.6 1039.8,85.2 885.9,35.8 74.9,37.1 33.8,972.8 79.8,1856.3 372.2,1875.1 413.0,1659.3 412.7,1624.8 419.5,1624.8 420.6,1618.9 866.2,1614.1 880.0,1620.7 880.0,1621.0 883.3,1840.4 1015.3,1890.2\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd416m:g4164m:g4164pm:g4164pm_g048301892:04830_1892-0001__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1135.0,859.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-94.4472212,39.565699]}},{"type":"Feature","properties":{"resourceCoords":[730.0,859.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-94.4481912,39.565707]}}]}}]}