{"id":"https://data.mapsnap.org/runs/v2.0/iiif/chronoscope/sanborn02001_004.main.iiif.json","type":"AnnotationPage","@context":["http://www.w3.org/ns/anno.jsonld"],"label":"Martinsville, Illinois | 1912 | mapsnap generated fit (2026-10-19)","creator":{"type":"Software","name":"mapsnap","homepage":"https://mapsnap.org"},"rights":"https://opendatacommons.org/licenses/odbl/1-0/","metadata":[{"label":"generated","value":"2026-10-19"},{"label":"run","value":"corpus-v2"},{"label":"pages","value":"11"},{"label":"placed","value":"2"},{"label":"unplaced","value":"9"},{"label":"fit sources","value":"georef 2"},{"label":"key map","value":"none"},{"label":"split sheets","value":"3 sheet(s) cut into 11 panels"},{"label":"unplaced pages","value":"p1__1 (tier 4, 39.33395,-87.88274 +/-209m); p1__2 (tier 4, 39.33395,-87.88274 +/-209m); p2__2 (tier 4, 39.33395,-87.88274 +/-209m); p2__3 (tier 4, 39.33395,-87.88274 +/-209m); p3__1 (tier 2, 39.33405,-87.88275 +/-163m); p3__2 (tier 2, 39.33405,-87.88275 +/-163m); p3__3 (tier 2, 39.33405,-87.88275 +/-163m); p3__4 (tier 2, 39.33405,-87.88275 +/-163m); p3__5 (tier 2, 39.33405,-87.88275 +/-163m)"}],"items":[{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd410m:g4104m:g4104mm:g020011912:02001_1912-0001__3/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Martinsville, Illinois | 1912 | sanborn02001_004 p1 [3]","metadata":[{"label":"streets","value":"5"},{"label":"intersections","value":"9"},{"label":"confidence","value":"0.73"},{"label":"confidence_provisional","value":"true"},{"label":"confidence_model","value":"corpus-v2"},{"label":"split_canvas_x","value":"0.0"},{"label":"split_canvas_y","value":"2379.6"},{"label":"split_canvas_w","value":"6452.0"},{"label":"split_canvas_h","value":"5272.4"}],"created":"2026-10-19T01:19:22Z","modified":"2026-10-19T01:19:22Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd410m:g4104m:g4104mm:g020011912:02001_1912-0001__3/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd410m:g4104m:g4104mm:g020011912:02001_1912-0001","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"41.2,1846.2 43.8,1912.0 167.5,1912.0 171.1,1907.5 520.8,1910.8 800.0,1829.3 1540.5,1872.6 1559.7,773.8 1247.0,615.2 60.5,627.9 41.2,1846.2\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd410m:g4104m:g4104mm:g020011912:02001_1912-0001__3/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1029.0,999.6],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-87.88145,39.33625]}},{"type":"Feature","properties":{"resourceCoords":[769.0,1809.1],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-87.8814212,39.3346627]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd410m:g4104m:g4104mm:g020011912:02001_1912-0002__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Martinsville, Illinois | 1912 | sanborn02001_004 p2 [1]","metadata":[{"label":"streets","value":"5"},{"label":"intersections","value":"8"},{"label":"confidence","value":"0.79"},{"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":"2026-10-19T01:19:22Z","modified":"2026-10-19T01:19:22Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd410m:g4104m:g4104mm:g020011912:02001_1912-0002__1/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd410m:g4104m:g4104mm:g020011912:02001_1912-0002","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"640.6,1651.2 648.3,1652.8 648.3,1653.0 649.0,1653.2 746.8,1774.8 954.8,1847.4 1092.0,1847.1 1115.1,1787.4 1173.7,1832.9 1499.2,1798.6 1557.0,1668.6 1495.1,1355.3 1519.5,542.2 1453.2,516.6 1444.2,421.8 1481.6,245.8 1546.8,170.2 1425.5,164.8 1424.7,117.2 937.0,58.5 96.8,84.5 78.5,960.8 339.3,1251.9 377.7,1586.6 640.6,1651.2\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd410m:g4104m:g4104mm:g020011912:02001_1912-0002__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1424.0,1267.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-87.8820292,39.3320956]}},{"type":"Feature","properties":{"resourceCoords":[284.0,80.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-87.885689,39.3334187]}}]}}]}