{"id":"https://data.mapsnap.org/runs/v1.3/iiif/loc/sanborn05791_009.keymap.iiif.json","type":"AnnotationPage","@context":["http://www.w3.org/ns/anno.jsonld"],"label":"Brooklyn, New-York | 1888 | key map | mapsnap generated fit (2026-09-22)","creator":{"type":"Software","name":"mapsnap","homepage":"https://mapsnap.org"},"rights":"https://opendatacommons.org/licenses/odbl/1-0/","metadata":[{"label":"generated","value":"2026-09-22"},{"label":"run","value":"corpus-v1"}],"items":[{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd380m:g3804m:g3804bm:g3804bm_g05791188809:05791_09_1888-0000L/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 | 1888 | sanborn05791_009 p0L","metadata":[{"label":"streets","value":"32"},{"label":"intersections","value":"58"}],"created":"2026-09-22T01:36:56Z","modified":"2026-09-22T01:36:56Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd380m:g3804m:g3804bm:g3804bm_g05791188809:05791_09_1888-0000L/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd380m:g3804m:g3804bm:g3804bm_g05791188809:05791_09_1888-0000L/info.json","type":"ImageService2","height":8268,"width":5756},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"-0.0,8268.0 -0.0,0.0 5421.4,-0.0 5461.6,4559.5 5454.8,4561.7 5463.8,4811.8 5526.5,4791.8 5598.6,5021.3 5470.1,5061.3 5604.3,5491.3 5525.8,5564.6 5467.9,5589.2 5505.1,6215.2 5600.3,6639.1 5468.5,6669.3 5680.2,7620.4 5488.9,7661.2 5491.1,7912.7 5470.6,7917.4 5541.0,8233.5 5494.0,8244.4 5494.1,8254.5 5592.9,8253.5 5587.9,8268.0 -0.0,8268.0\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd380m:g3804m:g3804bm:g3804bm_g05791188809:05791_09_1888-0000L/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[4554.4,6366.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-73.9373419,40.7138277]}},{"type":"Feature","properties":{"resourceCoords":[2751.4,6705.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-73.9384458,40.7238543]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd380m:g3804m:g3804bm:g3804bm_g05791188809:05791_09_1888-0000R/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 | 1888 | sanborn05791_009 p0R","metadata":[{"label":"streets","value":"87"},{"label":"intersections","value":"241"}],"created":"2026-09-22T01:36:56Z","modified":"2026-09-22T01:36:56Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd380m:g3804m:g3804bm:g3804bm_g05791188809:05791_09_1888-0000R/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd380m:g3804m:g3804bm:g3804bm_g05791188809:05791_09_1888-0000R/info.json","type":"ImageService2","height":8268,"width":5744},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"0.0,8268.0 0.0,8258.0 46.4,8247.8 0.0,8030.5 0.0,7684.1 188.7,7646.1 0.0,6762.0 0.0,6705.4 118.6,6679.7 0.0,6127.8 0.0,5644.1 54.6,5621.6 132.5,5550.3 4.0,5125.8 131.0,5087.8 61.9,4861.2 0.0,4880.2 0.0,4631.9 0.0,4631.9 -0.0,0.0 5744.0,-0.0 5744.0,8268.0 0.0,8268.0\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd380m:g3804m:g3804bm:g3804bm_g05791188809:05791_09_1888-0000R/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[984.3,6293.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-73.937648,40.703372]}},{"type":"Feature","properties":{"resourceCoords":[4617.6,1772.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-73.908517,40.681804]}}]}}]}