{"id":"https://data.mapsnap.org/runs/v2.0/iiif/chronoscope/sanborn05791_061.keymap.iiif.json","type":"AnnotationPage","@context":["http://www.w3.org/ns/anno.jsonld"],"label":"Brooklyn, New-York | 1950 | 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_g05791195003:05791_03_1950-0000/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Brooklyn, New-York | 1950 | sanborn05791_061 p0","metadata":[{"label":"streets","value":"63"},{"label":"intersections","value":"272"}],"created":"2026-10-24T15:08:16Z","modified":"2026-10-24T15:08:16Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd380m:g3804m:g3804bm:g3804bm_g05791195003:05791_03_1950-0000/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd380m:g3804m:g3804bm:g3804bm_g05791195003:05791_03_1950-0000","type":"ImageService3","width":1447,"height":2067},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"0.0,2067.0 0.0,0.0 1447.0,0.0 1447.0,2067.0 0.0,2067.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd380m:g3804m:g3804bm:g3804bm_g05791195003:05791_03_1950-0000/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[707.1,958.8],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-73.961854,40.704786]}},{"type":"Feature","properties":{"resourceCoords":[264.6,1542.5],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-73.9683579,40.6957459]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd380m:g3804m:g3804bm:g3804bm_g05791195003:05791_03_1950-0000a/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Brooklyn, New-York | 1950 | sanborn05791_061 p0a","metadata":[{"label":"streets","value":"63"},{"label":"intersections","value":"265"}],"created":"2026-10-24T15:08:16Z","modified":"2026-10-24T15:08:16Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd380m:g3804m:g3804bm:g3804bm_g05791195003:05791_03_1950-0000a/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd380m:g3804m:g3804bm:g3804bm_g05791195003:05791_03_1950-0000a","type":"ImageService3","width":1446,"height":2067},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"0.0,2067.0 0.0,0.0 1446.0,0.0 1446.0,2067.0 0.0,2067.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd380m:g3804m:g3804bm:g3804bm_g05791195003:05791_03_1950-0000a/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1302.8,1206.2],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-73.950251,40.70257]}},{"type":"Feature","properties":{"resourceCoords":[264.4,1542.5],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-73.9683579,40.6957459]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd380m:g3804m:g3804bm:g3804bm_g05791195003:05791_03_1950-0000b/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Brooklyn, New-York | 1950 | sanborn05791_061 p0b","metadata":[{"label":"streets","value":"38"},{"label":"intersections","value":"70"}],"created":"2026-10-24T15:08:16Z","modified":"2026-10-24T15:08:16Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd380m:g3804m:g3804bm:g3804bm_g05791195003:05791_03_1950-0000b/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd380m:g3804m:g3804bm:g3804bm_g05791195003:05791_03_1950-0000b","type":"ImageService3","width":1459,"height":2067},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"0.0,2067.0 0.0,0.0 1459.0,0.0 1459.0,2067.0 0.0,2067.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd380m:g3804m:g3804bm:g3804bm_g05791195003:05791_03_1950-0000b/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[218.1,1359.4],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-73.945014,40.701091]}},{"type":"Feature","properties":{"resourceCoords":[579.5,1190.9],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-73.9387545,40.7042048]}}]}}]}