{"id":"https://data.mapsnap.org/runs/v1.3/iiif/chronoscope/sanborn05791_062.keymap.iiif.json","type":"AnnotationPage","@context":["http://www.w3.org/ns/anno.jsonld"],"label":"Brooklyn, New-York | 1951 | 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://cdn.chronoscope.io/mapsnap/service:gmd:gmd380m:g3804m:g3804bm:g3804bm_g05791195104:05791_04_1951-0000/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 | 1951 | sanborn05791_062 p0","metadata":[{"label":"streets","value":"70"},{"label":"intersections","value":"260"}],"created":"2026-09-21T04:53:28Z","modified":"2026-09-21T04:53:28Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd380m:g3804m:g3804bm:g3804bm_g05791195104:05791_04_1951-0000/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd380m:g3804m:g3804bm:g3804bm_g05791195104:05791_04_1951-0000","type":"ImageService3","width":1439,"height":2067},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"0.0,831.0 0.0,-0.0 434.5,-0.0 1310.4,482.1 1357.2,556.1 1411.2,733.1 1439.0,876.2 1439.0,1578.8 1439.0,2067.0 1259.0,2067.0 919.6,2067.0 199.4,2067.0 75.5,2059.2 0.0,1999.0 0.0,831.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd380m:g3804m:g3804bm:g3804bm_g05791195104:05791_04_1951-0000/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[889.0,987.2],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-73.954512,40.723225]}},{"type":"Feature","properties":{"resourceCoords":[1117.8,721.2],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-73.9572483,40.7277591]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd380m:g3804m:g3804bm:g3804bm_g05791195104:05791_04_1951-0000a/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 | 1951 | sanborn05791_062 p0a","metadata":[{"label":"streets","value":"68"},{"label":"intersections","value":"252"}],"created":"2026-09-21T04:53:28Z","modified":"2026-09-21T04:53:28Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd380m:g3804m:g3804bm:g3804bm_g05791195104:05791_04_1951-0000a/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd380m:g3804m:g3804bm:g3804bm_g05791195104:05791_04_1951-0000a","type":"ImageService3","width":1438,"height":2067},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"-0.0,1935.8 -0.0,1648.6 -0.0,1097.2 -0.0,754.0 -0.0,-0.0 1320.2,0.0 1438.0,877.4 1438.0,879.6 1438.0,886.4 1438.0,1580.1 1438.0,1666.6 1438.0,1672.2 1438.0,1698.7 1417.7,1911.0 1331.6,2067.0 1302.1,2067.0 1259.6,2067.0 227.5,2067.0 -0.0,2067.0 -0.0,1935.8\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd380m:g3804m:g3804bm:g3804bm_g05791195104:05791_04_1951-0000a/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1003.3,1488.5],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-73.945068,40.721656]}},{"type":"Feature","properties":{"resourceCoords":[1008.3,1146.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-73.950788,40.723772]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd380m:g3804m:g3804bm:g3804bm_g05791195104:05791_04_1951-0000b/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 | 1951 | sanborn05791_062 p0b","metadata":[{"label":"streets","value":"23"},{"label":"intersections","value":"30"}],"created":"2026-09-21T04:53:28Z","modified":"2026-09-21T04:53:28Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd380m:g3804m:g3804bm:g3804bm_g05791195104:05791_04_1951-0000b/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd380m:g3804m:g3804bm:g3804bm_g05791195104:05791_04_1951-0000b","type":"ImageService3","width":1437,"height":2067},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"88.2,737.8 -0.0,600.1 -0.0,581.6 34.0,560.6 -0.0,507.4 -0.0,-0.0 1437.0,0.0 1437.0,2067.0 -0.0,2067.0 -0.0,1994.5 110.8,1890.7 111.2,1804.3 28.6,1778.4 3.7,1765.0 111.8,1698.5 112.4,1580.7 112.4,1580.7 113.0,1461.5 128.7,1451.8 20.9,1281.8 131.7,1213.2 26.4,1117.7 78.5,1059.3 6.5,996.2 81.3,912.5 3.7,790.7 88.2,737.8\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd380m:g3804m:g3804bm:g3804bm_g05791195104:05791_04_1951-0000b/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[44.5,1325.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-73.944808,40.7274931]}},{"type":"Feature","properties":{"resourceCoords":[314.8,910.8],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-73.9496921,40.733516]}}]}}]}