{"id":"https://data.mapsnap.org/runs/v1.3/iiif/loc/sanborn03590_002.main.iiif.json","type":"AnnotationPage","@context":["http://www.w3.org/ns/anno.jsonld"],"label":"Cockeysville, Maryland | 1946 | mapsnap generated fit (2026-09-23)","creator":{"type":"Software","name":"mapsnap","homepage":"https://mapsnap.org"},"rights":"https://opendatacommons.org/licenses/odbl/1-0/","metadata":[{"label":"generated","value":"2026-09-23"},{"label":"run","value":"corpus-v1"},{"label":"pages","value":"6"},{"label":"placed","value":"3"},{"label":"unplaced","value":"3"},{"label":"fit sources","value":"georef 3"},{"label":"key map","value":"none"},{"label":"split sheets","value":"2 sheet(s) cut into 5 panels"},{"label":"unplaced pages","value":"p1__2 (tier 4, 39.48461,-76.64683 +/-1077m); p2__1 (tier 1, 39.48746,-76.64611 +/-400m); p3 (tier 4, 39.48461,-76.64683 +/-1077m)"}],"items":[{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd384m:g3844m:g3844cm:g3844cm_g035901946:03590_1946-0001__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Cockeysville, Maryland | 1946 | sanborn03590_002 p1 [1]","metadata":[{"label":"streets","value":"2"},{"label":"intersections","value":"1"},{"label":"split_canvas_x","value":"0.0"},{"label":"split_canvas_y","value":"0.0"},{"label":"split_canvas_w","value":"2850.4"},{"label":"split_canvas_h","value":"7652.0"}],"created":"2026-09-23T03:24:03Z","modified":"2026-09-23T03:24:03Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd384m:g3844m:g3844cm:g3844cm_g035901946:03590_1946-0001__1/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd384m:g3844m:g3844cm:g3844cm_g035901946:03590_1946-0001/info.json","type":"ImageService2","height":7652,"width":6452},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"-0.0,0.0 -0.0,7652.0 2554.8,7652.0 2553.2,4434.8 2849.6,3698.8 2850.4,0.0 -0.0,0.0\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd384m:g3844m:g3844cm:g3844cm_g035901946:03590_1946-0001__1/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-76.65091489379442,39.497600190785164]}},{"type":"Feature","properties":{"resourceCoords":[2850.4,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-76.64752631427223,39.49768631311904]}},{"type":"Feature","properties":{"resourceCoords":[2850.4,7652.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-76.64722726461135,39.49066139868764]}},{"type":"Feature","properties":{"resourceCoords":[0.0,7652.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-76.65061584413354,39.490575276353766]}},{"type":"Feature","properties":{"resourceCoords":[1827.0,6620.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-76.6484843,39.491579]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd384m:g3844m:g3844cm:g3844cm_g035901946:03590_1946-0001__3/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Cockeysville, Maryland | 1946 | sanborn03590_002 p1 [3]","metadata":[{"label":"streets","value":"2"},{"label":"intersections","value":"1"},{"label":"split_canvas_x","value":"2553.2"},{"label":"split_canvas_y","value":"3681.6"},{"label":"split_canvas_w","value":"3898.8"},{"label":"split_canvas_h","value":"3970.4"}],"created":"2026-09-23T03:24:03Z","modified":"2026-09-23T03:24:03Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd384m:g3844m:g3844cm:g3844cm_g035901946:03590_1946-0001__3/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd384m:g3844m:g3844cm:g3844cm_g035901946:03590_1946-0001/info.json","type":"ImageService2","height":7652,"width":6452},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"6452.0,3738.0 6212.4,3738.0 2856.4,3681.6 2553.2,4434.8 2554.8,7652.0 6452.0,7652.0 6452.0,3738.0\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd384m:g3844m:g3844cm:g3844cm_g035901946:03590_1946-0001__3/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[2553.2,3681.6],"type":"corner"},"geometry":{"type":"Point","coordinates":[-76.6522658747215,39.48309300653428]}},{"type":"Feature","properties":{"resourceCoords":[6452.0,3681.6],"type":"corner"},"geometry":{"type":"Point","coordinates":[-76.64793106436018,39.484363656164845]}},{"type":"Feature","properties":{"resourceCoords":[6452.0,7652.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-76.6462562274208,39.48095241320808]}},{"type":"Feature","properties":{"resourceCoords":[2553.2,7652.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-76.65059103778212,39.47968176357752]}},{"type":"Feature","properties":{"resourceCoords":[3844.8,6576.4],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-76.6496087,39.4810268]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd384m:g3844m:g3844cm:g3844cm_g035901946:03590_1946-0002__2/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Cockeysville, Maryland | 1946 | sanborn03590_002 p2 [2]","metadata":[{"label":"streets","value":"5"},{"label":"intersections","value":"5"},{"label":"split_canvas_x","value":"3258.0"},{"label":"split_canvas_y","value":"0.0"},{"label":"split_canvas_w","value":"3194.0"},{"label":"split_canvas_h","value":"7652.0"}],"created":"2026-09-23T03:24:03Z","modified":"2026-09-23T03:24:03Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd384m:g3844m:g3844cm:g3844cm_g035901946:03590_1946-0002__2/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd384m:g3844m:g3844cm:g3844cm_g035901946:03590_1946-0002/info.json","type":"ImageService2","height":7652,"width":6452},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"6452.0,0.0 4224.4,0.0 4228.8,826.4 3278.0,1675.6 3258.0,7652.0 6452.0,7652.0 6452.0,0.0\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd384m:g3844m:g3844cm:g3844cm_g035901946:03590_1946-0002__2/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[4741.1,5216.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-76.641753,39.4764379]}},{"type":"Feature","properties":{"resourceCoords":[4741.1,2012.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-76.6429805,39.4792239]}}]}}]}