{"id":"https://data.mapsnap.org/runs/v2.0/iiif/chronoscope/sanborn01114_003.keymap.iiif.json","type":"AnnotationPage","@context":["http://www.w3.org/ns/anno.jsonld"],"label":"Danielson, Connecticut | 1911 | key map | 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"}],"items":[{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd378m:g3784m:g3784dm:g3784dm_g011141911:01114_1911-0001__2/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Danielson, Connecticut | 1911 | sanborn01114_003 p1 [2]","metadata":[{"label":"streets","value":"31"},{"label":"intersections","value":"48"},{"label":"split_canvas_x","value":"0.0"},{"label":"split_canvas_y","value":"0.0"},{"label":"split_canvas_w","value":"6878.4"},{"label":"split_canvas_h","value":"4771.4"}],"created":"2026-10-17T02:49:32Z","modified":"2026-10-17T02:49:32Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd378m:g3784m:g3784dm:g3784dm_g011141911:01114_1911-0001__2/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd378m:g3784m:g3784dm:g3784dm_g011141911:01114_1911-0001","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1613,0.0 0.0,0.0 0.0,1192.8 1613,1192.8 1613,0.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd378m:g3784m:g3784dm:g3784dm_g011141911:01114_1911-0001__2/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[421.8,564.2],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-71.8822655,41.8090767]}},{"type":"Feature","properties":{"resourceCoords":[380.4,957.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-71.8832509,41.8000146]}}]}}]}