{"id":"https://data.mapsnap.org/runs/v1.3/iiif/loc/sanborn06648_021.keymap.iiif.json","type":"AnnotationPage","@context":["http://www.w3.org/ns/anno.jsonld"],"label":"Cleveland, Ohio | 1913 | key map | mapsnap generated fit (2026-09-20)","creator":{"type":"Software","name":"mapsnap","homepage":"https://mapsnap.org"},"rights":"https://opendatacommons.org/licenses/odbl/1-0/","metadata":[{"label":"generated","value":"2026-09-20"},{"label":"run","value":"corpus-v1"}],"items":[{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648191310:06648_10_1913-0000__2/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Cleveland, Ohio | 1913 | sanborn06648_021 p0 [2]","metadata":[{"label":"streets","value":"223"},{"label":"intersections","value":"572"},{"label":"split_canvas_x","value":"0.0"},{"label":"split_canvas_y","value":"0.0"},{"label":"split_canvas_w","value":"7025.8"},{"label":"split_canvas_h","value":"8217.6"}],"created":"2026-09-20T23:22:27Z","modified":"2026-09-20T23:22:27Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648191310:06648_10_1913-0000__2/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648191310:06648_10_1913-0000/info.json","type":"ImageService2","height":7796,"width":6600},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"7025.8,8217.6 7025.8,0.0 -0.0,-0.0 0.0,5669.0 3193.6,5618.3 3236.2,7800.2 3236.2,8217.6 7025.8,8217.6\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648191310:06648_10_1913-0000__2/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1255.6,492.3],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-81.737521,41.475526]}},{"type":"Feature","properties":{"resourceCoords":[3251.4,1294.4],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-81.710215,41.466555]}}]}}]}