{"id":"https://data.mapsnap.org/runs/v1.3/iiif/chronoscope/sanborn08969_002.main.iiif.json","type":"AnnotationPage","@context":["http://www.w3.org/ns/anno.jsonld"],"label":"Altavista, Virginia | 1918 | 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"},{"label":"pages","value":"10"},{"label":"placed","value":"4"},{"label":"unplaced","value":"6"},{"label":"fit sources","value":"georef 3, georef-snap 1"},{"label":"key map","value":"none"},{"label":"split sheets","value":"4 sheet(s) cut into 9 panels"},{"label":"unplaced pages","value":"p1__1 (tier 1, 37.04783,-78.94153 +/-356m); p1__3 (tier 4, 37.11143,-79.28951 +/-494m); p2__2 (tier 2, 37.11018,-79.29087 +/-175m); p3__1 (tier 2, 37.10911,-79.28658 +/-275m); p3__2 (tier 2, 37.10911,-79.28658 +/-275m); p4__2 (tier 2, 37.11290,-79.28049 +/-100m)"}],"items":[{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd388m:g3884m:g3884am:g08969002:sb000010__2/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Altavista, Virginia | 1918 | sanborn08969_002 p1 [2]","metadata":[{"label":"streets","value":"7"},{"label":"intersections","value":"8"},{"label":"split_canvas_x","value":"0.0"},{"label":"split_canvas_y","value":"946.4"},{"label":"split_canvas_w","value":"8724.0"},{"label":"split_canvas_h","value":"9373.6"}],"created":"2026-09-22T13:04:43Z","modified":"2026-09-22T13:04:43Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd388m:g3884m:g3884am:g08969002:sb000010__2/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd388m:g3884m:g3884am:g08969002:sb000010","type":"ImageService3","width":2181,"height":2580},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1088.4,2580.0 1096.5,2141.7 2181.0,2152.3 2181.0,573.2 1749.4,565.1 1456.2,912.8 694.9,895.5 697.0,613.8 294.1,613.3 291.5,238.3 0.0,236.6 -0.0,2580.0 1088.4,2580.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd388m:g3884m:g3884am:g08969002:sb000010__2/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[2063.0,623.5],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-79.290501,37.112277]}},{"type":"Feature","properties":{"resourceCoords":[1502.0,1914.2],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-79.2951347,37.1109891]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd388m:g3884m:g3884am:g08969002:sb000020__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Altavista, Virginia | 1918 | sanborn08969_002 p2 [1]","metadata":[{"label":"streets","value":"6"},{"label":"intersections","value":"6"},{"label":"split_canvas_x","value":"0.0"},{"label":"split_canvas_y","value":"0.0"},{"label":"split_canvas_w","value":"8724.0"},{"label":"split_canvas_h","value":"10352.0"}],"created":"2026-09-22T13:04:43Z","modified":"2026-09-22T13:04:43Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd388m:g3884m:g3884am:g08969002:sb000020__1/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd388m:g3884m:g3884am:g08969002:sb000020","type":"ImageService3","width":2181,"height":2588},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1451.9,121.6 756.4,121.5 755.1,-0.0 -0.0,0.0 -0.0,2588.0 1195.5,2588.0 1203.3,1724.0 2181.0,1724.7 2181.0,-0.0 1450.0,-0.0 1451.9,121.6\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd388m:g3884m:g3884am:g08969002:sb000020__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[782.0,2405.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-79.292317,37.10825]}},{"type":"Feature","properties":{"resourceCoords":[94.0,130.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-79.2900576,37.1111636]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd388m:g3884m:g3884am:g08969002:sb000040__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Altavista, Virginia | 1918 | sanborn08969_002 p4 [1]","metadata":[{"label":"streets","value":"4"},{"label":"intersections","value":"4"},{"label":"split_canvas_x","value":"0.0"},{"label":"split_canvas_y","value":"4746.8"},{"label":"split_canvas_w","value":"8756.0"},{"label":"split_canvas_h","value":"5613.2"}],"created":"2026-09-22T13:04:43Z","modified":"2026-09-22T13:04:43Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd388m:g3884m:g3884am:g08969002:sb000040__1/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd388m:g3884m:g3884am:g08969002:sb000040","type":"ImageService3","width":2189,"height":2590},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"2189.0,2295.8 2189.0,1200.3 1556.2,1196.4 1557.6,1327.6 846.0,1324.1 846.0,1599.2 -0.0,1601.8 -0.0,2590.0 69.9,2590.0 73.7,2270.7 846.0,2279.8 846.0,2404.1 1557.6,2412.6 1557.1,2288.3 2189.0,2295.8\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd388m:g3884m:g3884am:g08969002:sb000040__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[846.0,2404.1],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-79.2892522,37.1104568]}},{"type":"Feature","properties":{"resourceCoords":[846.0,1324.6],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-79.2878357,37.1114781]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd388m:g3884m:g3884am:g08969002:sb000050/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Altavista, Virginia | 1918 | sanborn08969_002 p5","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-22T13:04:43Z","modified":"2026-09-22T13:04:43Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd388m:g3884m:g3884am:g08969002:sb000050/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd388m:g3884m:g3884am:g08969002:sb000050","type":"ImageService3","width":2179,"height":2583},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1600.8,2583.0 1603.2,2374.6 1280.7,2373.6 1280.6,2445.5 918.0,2442.6 916.4,2583.0 302.8,2583.0 303.1,2425.8 -0.0,2427.9 -0.0,0.0 2179.0,-0.0 2179.0,2583.0 1600.8,2583.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd388m:g3884m:g3884am:g08969002:sb000050/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-79.28376880952128,37.117938170409126]}},{"type":"Feature","properties":{"resourceCoords":[2179.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-79.27867560806833,37.11348748825666]}},{"type":"Feature","properties":{"resourceCoords":[2179.0,2583.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-79.28524522250402,37.108638937970355]}},{"type":"Feature","properties":{"resourceCoords":[0.0,2583.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-79.29033842395697,37.11308962012282]}}]}}]}