{"id":"https://data.mapsnap.org/runs/v2.0/iiif/chronoscope/sanborn00033_002.main.iiif.json","type":"AnnotationPage","@context":["http://www.w3.org/ns/anno.jsonld"],"label":"Demopolis, Alabama | 1891 | mapsnap generated fit (2026-10-18)","creator":{"type":"Software","name":"mapsnap","homepage":"https://mapsnap.org"},"rights":"https://opendatacommons.org/licenses/odbl/1-0/","metadata":[{"label":"generated","value":"2026-10-18"},{"label":"run","value":"corpus-v2"},{"label":"pages","value":"6"},{"label":"placed","value":"3"},{"label":"unplaced","value":"3"},{"label":"fit sources","value":"georef 3"},{"label":"key map","value":"none"},{"label":"split sheets","value":"1 sheet(s) cut into 5 panels"},{"label":"unplaced pages","value":"p1__1 (tier 4, 32.51834,-87.83784 +/-185m); p1__3 (tier 4, 32.51834,-87.83784 +/-185m); p1__4 (tier 4, 32.51834,-87.83784 +/-185m)"}],"items":[{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd397m:g3974m:g3974dm:g3974dm_g000331891:00033_1891-0001__2/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Demopolis, Alabama | 1891 | sanborn00033_002 p1 [2]","metadata":[{"label":"streets","value":"4"},{"label":"intersections","value":"4"},{"label":"confidence","value":"0.83"},{"label":"confidence_provisional","value":"true"},{"label":"confidence_model","value":"corpus-v2"},{"label":"split_canvas_x","value":"3254.4"},{"label":"split_canvas_y","value":"0.0"},{"label":"split_canvas_w","value":"3197.6"},{"label":"split_canvas_h","value":"4803.6"}],"created":"2026-10-18T18:47:46Z","modified":"2026-10-18T18:47:46Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd397m:g3974m:g3974dm:g3974dm_g000331891:00033_1891-0001__2/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd397m:g3974m:g3974dm:g3974dm_g000331891:00033_1891-0001","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1489.8,1159.3 1489.8,1134.2 1527.0,1132.3 1497.2,957.1 1493.0,605.5 1571.5,605.6 1550.8,31.9 1535.3,32.2 1535.2,47.2 914.1,66.0 903.1,557.5 846.1,673.6 912.2,839.4 878.3,1150.4 1489.8,1159.3\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd397m:g3974m:g3974dm:g3974dm_g000331891:00033_1891-0001__2/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[933.5,604.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-87.840047,32.517355]}},{"type":"Feature","properties":{"resourceCoords":[934.5,1141.9],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-87.840053,32.516351]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd397m:g3974m:g3974dm:g3974dm_g000331891:00033_1891-0001__5/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Demopolis, Alabama | 1891 | sanborn00033_002 p1 [5]","metadata":[{"label":"streets","value":"4"},{"label":"intersections","value":"2"},{"label":"confidence","value":"0.63"},{"label":"confidence_provisional","value":"true"},{"label":"confidence_model","value":"corpus-v2"},{"label":"split_canvas_x","value":"0.0"},{"label":"split_canvas_y","value":"4750.0"},{"label":"split_canvas_w","value":"6452.0"},{"label":"split_canvas_h","value":"2902.0"}],"created":"2026-10-18T18:47:46Z","modified":"2026-10-18T18:47:46Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd397m:g3974m:g3974dm:g3974dm_g000331891:00033_1891-0001__5/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd397m:g3974m:g3974dm:g3974dm_g000331891:00033_1891-0001","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1533.4,1906.8 1567.8,1849.9 1545.0,1268.4 856.5,1201.7 71.6,1248.7 79.8,1787.5 873.0,1912.0 1384.8,1912.0 1533.4,1906.8\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd397m:g3974m:g3974dm:g3974dm_g000331891:00033_1891-0001__5/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1124.0,1229.5],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-87.836305,32.52047]}},{"type":"Feature","properties":{"resourceCoords":[1124.0,1749.1],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-87.836323,32.51947]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd397m:g3974m:g3974dm:g3974dm_g000331891:00033_1891-0002/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Demopolis, Alabama | 1891 | sanborn00033_002 p2","metadata":[{"label":"streets","value":"6"},{"label":"intersections","value":"9"},{"label":"confidence","value":"0.93"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-18T18:47:46Z","modified":"2026-10-18T18:47:46Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd397m:g3974m:g3974dm:g3974dm_g000331891:00033_1891-0002/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd397m:g3974m:g3974dm:g3974dm_g000331891:00033_1891-0002","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"60.9,1764.2 90.2,1822.5 265.5,1865.8 542.8,1813.9 630.5,1872.0 1032.0,1878.2 1579.2,1810.9 1606.2,1044.4 1582.5,446.0 1523.7,278.2 1559.8,220.1 1405.2,223.6 872.7,217.1 48.6,77.3 50.5,625.0 66.2,624.8 84.7,1204.2 5.3,1203.8 8.2,1558.9 37.6,1736.0 1.0,1737.7 1.0,1763.1 60.9,1764.2\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd397m:g3974m:g3974dm:g3974dm_g000331891:00033_1891-0002/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1125.0,1207.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-87.836354,32.517333]}},{"type":"Feature","properties":{"resourceCoords":[567.0,1207.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-87.837577,32.517336]}}]}}]}