{"id":"https://data.mapsnap.org/runs/v2.0/iiif/chronoscope/sanborn00011_003.main.iiif.json","type":"AnnotationPage","@context":["http://www.w3.org/ns/anno.jsonld"],"label":"Attalla, Alabama | 1903 | 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":"17"},{"label":"placed","value":"2"},{"label":"unplaced","value":"15"},{"label":"fit sources","value":"georef 2"},{"label":"key map","value":"none"},{"label":"split sheets","value":"4 sheet(s) cut into 16 panels"},{"label":"unplaced pages","value":"p1__1 (tier 4, 34.02055,-86.09039 +/-470m); p1__2 (tier 4, 34.02055,-86.09039 +/-470m); p1__3 (tier 4, 34.02055,-86.09039 +/-470m); p1__4 (tier 4, 34.02055,-86.09039 +/-470m); p2 (tier 4, 34.02055,-86.09039 +/-470m); p3__1 (tier 4, 34.02055,-86.09039 +/-470m); p3__2 (tier 4, 34.02055,-86.09039 +/-470m); p3__5 (tier 4, 34.02055,-86.09039 +/-470m); p3__6 (tier 4, 34.02055,-86.09039 +/-470m); p4__1 (tier 4, 34.02055,-86.09039 +/-470m); p4__2 (tier 4, 34.02055,-86.09039 +/-470m); p4__3 (tier 4, 34.02055,-86.09039 +/-470m); p5__1 (tier 4, 34.02055,-86.09039 +/-470m); p5__2 (tier 4, 34.02055,-86.09039 +/-470m); p5__3 (tier 4, 34.02055,-86.09039 +/-470m)"}],"items":[{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd397m:g3974m:g3974am:g3974am_g000111903:00011_1903-0003__3/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Attalla, Alabama | 1903 | sanborn00011_003 p3 [3]","metadata":[{"label":"streets","value":"2"},{"label":"intersections","value":"1"},{"label":"confidence","value":"0.65"},{"label":"confidence_provisional","value":"true"},{"label":"confidence_model","value":"corpus-v2"},{"label":"split_canvas_x","value":"3182.8"},{"label":"split_canvas_y","value":"2903.2"},{"label":"split_canvas_w","value":"3269.2"},{"label":"split_canvas_h","value":"2581.6"}],"created":"2026-10-18T20:00:35Z","modified":"2026-10-18T20:00:35Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd397m:g3974m:g3974am:g3974am_g000111903:00011_1903-0003__3/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd397m:g3974m:g3974am:g3974am_g000111903:00011_1903-0003","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1587.6,766.6 1401.9,731.7 857.6,761.8 818.1,1192.1 823.5,1281.2 937.0,1369.4 1570.6,1367.9 1595.5,1078.0 1546.0,816.9 1587.6,766.6\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd397m:g3974m:g3974am:g3974am_g000111903:00011_1903-0003__3/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[795.7,725.8],"type":"corner"},"geometry":{"type":"Point","coordinates":[-86.08586569776895,34.02401997592382]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,725.8],"type":"corner"},"geometry":{"type":"Point","coordinates":[-86.08391869842167,34.022067221626656]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,1371.2],"type":"corner"},"geometry":{"type":"Point","coordinates":[-86.08577938876532,34.02079284518932]}},{"type":"Feature","properties":{"resourceCoords":[795.7,1371.2],"type":"corner"},"geometry":{"type":"Point","coordinates":[-86.0877263881126,34.022745599486484]}},{"type":"Feature","properties":{"resourceCoords":[919.6,1236.3],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-86.0870424,34.0227159]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd397m:g3974m:g3974am:g3974am_g000111903:00011_1903-0003__4/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Attalla, Alabama | 1903 | sanborn00011_003 p3 [4]","metadata":[{"label":"streets","value":"3"},{"label":"intersections","value":"2"},{"label":"confidence","value":"0.39"},{"label":"confidence_provisional","value":"true"},{"label":"confidence_model","value":"corpus-v2"},{"label":"split_canvas_x","value":"0.0"},{"label":"split_canvas_y","value":"5484.8"},{"label":"split_canvas_w","value":"3182.8"},{"label":"split_canvas_h","value":"2167.2"}],"created":"2026-10-18T20:00:35Z","modified":"2026-10-18T20:00:35Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd397m:g3974m:g3974am:g3974am_g000111903:00011_1903-0003__4/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd397m:g3974m:g3974am:g3974am_g000111903:00011_1903-0003","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"505.8,1376.7 27.5,1385.8 16.0,1909.3 768.1,1912.0 773.6,1912.0 771.5,1785.5 699.0,1736.4 762.1,1579.2 769.5,1386.8 737.7,1411.4 505.8,1376.7\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd397m:g3974m:g3974am:g3974am_g000111903:00011_1903-0003__4/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[108.0,1582.1],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-86.0959417,34.0182604]}},{"type":"Feature","properties":{"resourceCoords":[752.7,1582.1],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-86.0940912,34.0195401]}}]}}]}