{"id":"https://data.mapsnap.org/runs/v2.0/iiif/chronoscope/sanborn03952_002.main.iiif.json","type":"AnnotationPage","@context":["http://www.w3.org/ns/anno.jsonld"],"label":"Cedar Springs, Michigan | 1899 | mapsnap generated fit (2026-10-22)","creator":{"type":"Software","name":"mapsnap","homepage":"https://mapsnap.org"},"rights":"https://opendatacommons.org/licenses/odbl/1-0/","metadata":[{"label":"generated","value":"2026-10-22"},{"label":"run","value":"corpus-v2.1"},{"label":"pages","value":"9"},{"label":"placed","value":"4"},{"label":"unplaced","value":"5"},{"label":"fit sources","value":"georef 3, georef-snap 1"},{"label":"key map","value":"none"},{"label":"split sheets","value":"2 sheet(s) cut into 8 panels"},{"label":"unplaced pages","value":"p1__1 (tier 4, 43.22298,-85.55130 +/-443m); p1__2 (tier 1, 43.22489,-85.55273 +/-148m); p1__3 (tier 4, 43.22298,-85.55130 +/-443m); p1__5 (tier 4, 43.22298,-85.55130 +/-443m); p3__1 (tier 1, 43.22036,-85.55800 +/-100m)"}],"items":[{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114cm:g039521899:03952_1899-0001__4/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Cedar Springs, Michigan | 1899 | sanborn03952_002 p1 [4]","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.58"},{"label":"confidence_provisional","value":"true"},{"label":"confidence_model","value":"corpus-v2"},{"label":"split_canvas_x","value":"0.0"},{"label":"split_canvas_y","value":"3754.0"},{"label":"split_canvas_w","value":"3384.0"},{"label":"split_canvas_h","value":"3954.0"}],"created":"2026-10-22T13:41:20Z","modified":"2026-10-22T13:41:20Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114cm:g039521899:03952_1899-0001__4/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114cm:g039521899:03952_1899-0001","type":"ImageService3","width":1628,"height":1927},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"613.1,1827.5 631.0,1587.4 641.0,1573.9 641.0,1573.6 641.0,1573.3 670.9,1533.5 816.0,1337.3 744.7,967.8 39.8,993.6 32.2,1880.5 613.1,1827.5\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114cm:g039521899:03952_1899-0001__4/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[450.0,1300.3],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-85.55123444556163,43.22720386851828]}},{"type":"Feature","properties":{"resourceCoords":[450.0,1820.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-85.55125574122037,43.226239230128876]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114cm:g039521899:03952_1899-0002/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Cedar Springs, Michigan | 1899 | sanborn03952_002 p2","metadata":[{"label":"streets","value":"8"},{"label":"intersections","value":"25"},{"label":"confidence","value":"0.98"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-22T13:41:20Z","modified":"2026-10-22T13:41:20Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114cm:g039521899:03952_1899-0002/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114cm:g039521899:03952_1899-0002","type":"ImageService3","width":1628,"height":1927},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1627.0,495.6 1497.5,498.4 1505.2,929.0 1505.3,1886.5 611.3,1885.5 70.2,1828.7 49.2,1716.2 93.2,29.4 1140.5,16.5 1414.6,37.9 1449.7,30.9 1583.0,213.8 1575.8,473.8 1627.0,475.1 1627.0,495.6\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114cm:g039521899:03952_1899-0002/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1028.0,974.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-85.5511972,43.223615]}},{"type":"Feature","properties":{"resourceCoords":[1028.0,24.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-85.548695,43.223617]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114cm:g039521899:03952_1899-0003__2/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Cedar Springs, Michigan | 1899 | sanborn03952_002 p3 [2]","metadata":[{"label":"streets","value":"2"},{"label":"intersections","value":"2"},{"label":"confidence","value":"0.68"},{"label":"confidence_provisional","value":"true"},{"label":"confidence_model","value":"corpus-v2"},{"label":"split_canvas_x","value":"2423.2"},{"label":"split_canvas_y","value":"0.0"},{"label":"split_canvas_w","value":"4088.8"},{"label":"split_canvas_h","value":"2102.4"}],"created":"2026-10-22T13:41:20Z","modified":"2026-10-22T13:41:20Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114cm:g039521899:03952_1899-0003__2/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114cm:g039521899:03952_1899-0003","type":"ImageService3","width":1628,"height":1927},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"975.5,21.2 609.2,22.4 631.9,35.4 634.0,334.1 737.9,499.4 1093.2,512.5 1151.0,456.6 1214.1,514.5 1584.1,499.4 1610.0,229.7 1512.2,121.3 1516.7,15.7 1410.3,17.1 1047.5,21.0 975.5,21.2\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114cm:g039521899:03952_1899-0003__2/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[605.8,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-85.55233586708513,43.220027586716135]}},{"type":"Feature","properties":{"resourceCoords":[1628.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-85.54967480239522,43.22006027005995]}},{"type":"Feature","properties":{"resourceCoords":[1628.0,525.6],"type":"corner"},"geometry":{"type":"Point","coordinates":[-85.54965174205526,43.2190631753083]}},{"type":"Feature","properties":{"resourceCoords":[605.8,525.6],"type":"corner"},"geometry":{"type":"Point","coordinates":[-85.55231280674518,43.21903049196448]}},{"type":"Feature","properties":{"resourceCoords":[1047.5,21.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-85.5511852,43.2200019]}},{"type":"Feature","properties":{"resourceCoords":[1047.5,21.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-85.5511852,43.2200019]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114cm:g039521899:03952_1899-0003__3/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Cedar Springs, Michigan | 1899 | sanborn03952_002 p3 [3]","metadata":[{"label":"streets","value":"7"},{"label":"intersections","value":"16"},{"label":"confidence","value":"0.97"},{"label":"confidence_provisional","value":"true"},{"label":"confidence_model","value":"corpus-v2"},{"label":"split_canvas_x","value":"0.0"},{"label":"split_canvas_y","value":"1900.0"},{"label":"split_canvas_w","value":"6512.0"},{"label":"split_canvas_h","value":"5808.0"}],"created":"2026-10-22T13:41:20Z","modified":"2026-10-22T13:41:20Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114cm:g039521899:03952_1899-0003__3/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114cm:g039521899:03952_1899-0003","type":"ImageService3","width":1628,"height":1927},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1607.0,1925.5 1607.0,1921.7 1574.8,1436.1 1560.7,1436.2 1553.3,998.0 1544.5,635.3 1541.6,529.0 1355.9,523.8 605.8,518.7 605.8,518.7 605.8,518.6 605.9,509.7 606.0,502.8 255.0,493.0 254.9,513.8 123.8,516.3 130.7,952.0 128.6,1920.6 1607.0,1925.5\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114cm:g039521899:03952_1899-0003__3/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1078.0,990.6],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-85.55117,43.220903]}},{"type":"Feature","properties":{"resourceCoords":[130.0,1468.3],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-85.5524217,43.2226973]}}]}}]}