{"id":"https://data.mapsnap.org/runs/v1.3/iiif/loc/sanborn05728_002.main.iiif.json","type":"AnnotationPage","@context":["http://www.w3.org/ns/anno.jsonld"],"label":"Alexander, New-York | 1933 | mapsnap generated fit (2026-09-21)","creator":{"type":"Software","name":"mapsnap","homepage":"https://mapsnap.org"},"rights":"https://opendatacommons.org/licenses/odbl/1-0/","metadata":[{"label":"generated","value":"2026-09-21"},{"label":"run","value":"corpus-v1"},{"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, 42.90214,-78.25765 +/-100m)"}],"items":[{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd380m:g3804m:g3804am:g3804am_g057281933:05728_1933-0001__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Alexander, New-York | 1933 | sanborn05728_002 p1 [1]","metadata":[{"label":"streets","value":"3"},{"label":"intersections","value":"2"},{"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":"2026-09-21T12:41:55Z","modified":"2026-09-21T12:41:55Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd380m:g3804m:g3804am:g3804am_g057281933:05728_1933-0001__1/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd380m:g3804m:g3804am:g3804am_g057281933:05728_1933-0001/info.json","type":"ImageService2","height":7652,"width":6452},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"2252.0,7652.0 3124.0,7652.0 6452.0,7652.0 6452.0,1444.0 6452.0,1292.0 6452.0,-0.0 2455.2,0.0 2450.8,967.2 1613.2,1563.2 0.0,1573.6 -0.0,7652.0 2252.0,7652.0\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd380m:g3804m:g3804am:g3804am_g057281933:05728_1933-0001__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[4676.0,4076.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-78.256936,42.901279]}},{"type":"Feature","properties":{"resourceCoords":[4512.0,2168.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-78.2557,42.902223]}}]}}]}