{"id":"https://data.mapsnap.org/runs/v2.0/iiif/chronoscope/sanborn05793_003.keymap.iiif.json","type":"AnnotationPage","@context":["http://www.w3.org/ns/anno.jsonld"],"label":"Buffalo, New-York | 1889 | key map | mapsnap generated fit (2026-10-24)","creator":{"type":"Software","name":"mapsnap","homepage":"https://mapsnap.org"},"rights":"https://opendatacommons.org/licenses/odbl/1-0/","metadata":[{"label":"generated","value":"2026-10-24"},{"label":"run","value":"corpus-v2.2"}],"items":[{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd380m:g3804m:g3804bm:g3804bm_g05793188903:05793_03_1889-0000__2/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Buffalo, New-York | 1889 | sanborn05793_003 p0 [2]","metadata":[{"label":"streets","value":"46"},{"label":"intersections","value":"93"},{"label":"split_canvas_x","value":"2984.9"},{"label":"split_canvas_y","value":"0.0"},{"label":"split_canvas_w","value":"3105.6"},{"label":"split_canvas_h","value":"8453.0"}],"created":"2026-10-24T15:44:01Z","modified":"2026-10-24T15:44:01Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd380m:g3804m:g3804bm:g3804bm_g05793188903:05793_03_1889-0000__2/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd380m:g3804m:g3804bm:g3804bm_g05793188903:05793_03_1889-0000","type":"ImageService3","width":1415,"height":2008},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1415,0.0 1087.5,0.0 1081.4,745.1 746.2,2008 1415,2008 1415,0.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd380m:g3804m:g3804bm:g3804bm_g05793188903:05793_03_1889-0000__2/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1037.9,1400.7],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-78.865015,42.8942013]}},{"type":"Feature","properties":{"resourceCoords":[1225.4,1132.5],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-78.8599657,42.9002743]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd380m:g3804m:g3804bm:g3804bm_g05793188903:05793_03_1889-0000b/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Buffalo, New-York | 1889 | sanborn05793_003 p0b","metadata":[{"label":"streets","value":"85"},{"label":"intersections","value":"167"}],"created":"2026-10-24T15:44:01Z","modified":"2026-10-24T15:44:01Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd380m:g3804m:g3804bm:g3804bm_g05793188903:05793_03_1889-0000b/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd380m:g3804m:g3804bm:g3804bm_g05793188903:05793_03_1889-0000b","type":"ImageService3","width":1425,"height":2008},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"0.0,2008.0 0.0,0.0 1425.0,0.0 1425.0,2008.0 0.0,2008.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd380m:g3804m:g3804bm:g3804bm_g05793188903:05793_03_1889-0000b/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[403.1,1607.7],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-78.8420351,42.8878614]}},{"type":"Feature","properties":{"resourceCoords":[115.0,1724.2],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-78.8508987,42.8851379]}}]}}]}