{"id":"https://data.mapsnap.org/runs/v1.3/iiif/loc/sanborn05453_005.keymap.iiif.json","type":"AnnotationPage","@context":["http://www.w3.org/ns/anno.jsonld"],"label":"Cranford, New-Jersey | 1915 | key map | 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"}],"items":[{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd381m:g3814m:g3814cm:g3814cm_g054531915:05453_1915-0001__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Cranford, New-Jersey | 1915 | sanborn05453_005 p1 [1]","metadata":[{"label":"streets","value":"63"},{"label":"intersections","value":"93"},{"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":"3714.8"}],"created":"2026-09-21T00:00:22Z","modified":"2026-09-21T00:00:22Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd381m:g3814m:g3814cm:g3814cm_g054531915:05453_1915-0001__1/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd381m:g3814m:g3814cm:g3814cm_g054531915:05453_1915-0001/info.json","type":"ImageService2","height":7652,"width":6452},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"6878.4,0.0 0.0,0.0 0.0,182.9 -0.0,1308.1 -0.0,1454.4 -0.0,2148.7 0.0,2542.9 -0.0,2639.8 -0.0,2731.2 0.0,3706.2 250.3,3706.4 3639.3,3710.8 6878.4,3714.8 6878.4,0.0\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd381m:g3814m:g3814cm:g3814cm_g054531915:05453_1915-0001__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1290.4,2617.5],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-74.313264,40.649424]}},{"type":"Feature","properties":{"resourceCoords":[2298.1,1315.3],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-74.300193,40.658521]}}]}}]}