{"id":"https://data.mapsnap.org/runs/v2.0/iiif/chronoscope/sanborn01471_002.main.iiif.json","type":"AnnotationPage","@context":["http://www.w3.org/ns/anno.jsonld"],"label":"Marietta, Georgia | 1890 | 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":"8"},{"label":"placed","value":"2"},{"label":"unplaced","value":"6"},{"label":"fit sources","value":"georef-snap 1, georef 1"},{"label":"key map","value":"none"},{"label":"split sheets","value":"2 sheet(s) cut into 7 panels"},{"label":"unplaced pages","value":"p1__2 (tier 4, 33.95456,-84.54966 +/-188m); p3__1 (tier 4, 33.95456,-84.54966 +/-188m); p3__2 (tier 4, 33.95456,-84.54966 +/-188m); p3__3 (tier 4, 33.95456,-84.54966 +/-188m); p3__4 (tier 1, 33.97750,-84.67863 +/-133m); p3__5 (tier 4, 33.95456,-84.54966 +/-188m)"}],"items":[{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd392m:g3924m:g3924mm:g3924mm_g014711890:01471_1890-0001__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Marietta, Georgia | 1890 | sanborn01471_002 p1 [1]","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.75"},{"label":"confidence_provisional","value":"true"},{"label":"confidence_model","value":"corpus-v2"},{"label":"split_canvas_x","value":"0.0"},{"label":"split_canvas_y","value":"0.0"},{"label":"split_canvas_w","value":"6452.0"},{"label":"split_canvas_h","value":"7652.0"}],"created":"2026-10-18T14:25:07Z","modified":"2026-10-18T14:25:07Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd392m:g3924m:g3924mm:g3924mm_g014711890:01471_1890-0001__1/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd392m:g3924m:g3924mm:g3924mm_g014711890:01471_1890-0001","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1412.6,1846.4 1542.7,1866.5 1584.6,1753.0 1589.7,1356.2 1502.9,1002.4 1431.8,946.1 1369.8,943.5 1234.2,943.5 987.0,943.5 987.0,943.5 978.3,927.1 931.7,112.6 867.6,49.1 414.6,122.3 378.9,65.8 237.2,59.4 60.6,180.7 33.4,1810.3 1.0,1819.0 1.0,1820.9 457.3,1821.0 457.3,1782.4 715.0,1790.6 748.4,1796.5 940.5,1805.7 1034.0,1821.0 1384.3,1831.9 1365.4,1839.1 1384.0,1873.3 1412.6,1846.4\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd392m:g3924m:g3924mm:g3924mm_g014711890:01471_1890-0001__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[459.0,981.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-84.55019851424403,33.95618949371274]}},{"type":"Feature","properties":{"resourceCoords":[708.0,1805.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-84.54963640400663,33.954618150550246]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd392m:g3924m:g3924mm:g3924mm_g014711890:01471_1890-0002/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Marietta, Georgia | 1890 | sanborn01471_002 p2","metadata":[{"label":"streets","value":"11"},{"label":"intersections","value":"10"},{"label":"confidence","value":"0.76"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-18T14:25:07Z","modified":"2026-10-18T14:25:07Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd392m:g3924m:g3924mm:g3924mm_g014711890:01471_1890-0002/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd392m:g3924m:g3924mm:g3924mm_g014711890:01471_1890-0002","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"242.1,105.2 242.1,106.8 678.1,106.8 678.0,70.0 923.8,77.7 955.5,83.3 1138.7,92.0 1227.8,106.5 1561.8,116.8 1543.8,123.7 1561.5,156.3 1591.5,211.2 1608.7,900.0 1559.2,1744.4 1519.0,1805.4 1289.3,1799.9 1161.3,1861.4 715.7,1870.5 114.2,1792.7 37.9,1421.7 46.8,564.0 113.5,408.2 118.8,138.1 242.1,105.2\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd392m:g3924m:g3924mm:g3924mm_g014711890:01471_1890-0002/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1173.0,1647.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-84.5490401,33.9515082]}},{"type":"Feature","properties":{"resourceCoords":[678.0,70.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-84.5502117,33.9546635]}}]}}]}