{"id":"https://data.mapsnap.org/runs/v2.0/iiif/chronoscope/sanborn05791_003.keymap.iiif.json","type":"AnnotationPage","@context":["http://www.w3.org/ns/anno.jsonld"],"label":"Brooklyn, New-York | 1887 | 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_g05791188703:05791_03_1887-0000L/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 | 1887 | sanborn05791_003 p0L","metadata":[{"label":"streets","value":"113"},{"label":"intersections","value":"410"}],"created":"2026-10-24T15:16:37Z","modified":"2026-10-24T15:16:37Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd380m:g3804m:g3804bm:g3804bm_g05791188703:05791_03_1887-0000L/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd380m:g3804m:g3804bm:g3804bm_g05791188703:05791_03_1887-0000L","type":"ImageService3","width":1436,"height":2067},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"0.0,2067.0 0.0,0.0 1436.0,0.0 1436.0,2067.0 0.0,2067.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd380m:g3804m:g3804bm:g3804bm_g05791188703:05791_03_1887-0000L/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[788.6,860.5],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-73.9462428,40.7032154]}},{"type":"Feature","properties":{"resourceCoords":[241.8,1599.2],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-73.960139,40.715583]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd380m:g3804m:g3804bm:g3804bm_g05791188703:05791_03_1887-0000R/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 | 1887 | sanborn05791_003 p0R","metadata":[{"label":"streets","value":"5"},{"label":"intersections","value":"25"}],"created":"2026-10-24T15:16:37Z","modified":"2026-10-24T15:16:37Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd380m:g3804m:g3804bm:g3804bm_g05791188703:05791_03_1887-0000R/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd380m:g3804m:g3804bm:g3804bm_g05791188703:05791_03_1887-0000R","type":"ImageService3","width":1450,"height":2067},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"0.0,2067.0 0.0,0.0 1450.0,0.0 1450.0,2067.0 0.0,2067.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd380m:g3804m:g3804bm:g3804bm_g05791188703:05791_03_1887-0000R/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[444.0,1479.7],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-73.9674114,40.6959889]}},{"type":"Feature","properties":{"resourceCoords":[475.2,1567.7],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-73.9694016,40.6960641]}}]}}]}