{"id":"https://data.mapsnap.org/runs/v2.0/iiif/chronoscope/sanborn06031_001.main.iiif.json","type":"AnnotationPage","@context":["http://www.w3.org/ns/anno.jsonld"],"label":"Larchmont, New-York | 1893 | 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":"8"},{"label":"placed","value":"4"},{"label":"unplaced","value":"4"},{"label":"fit sources","value":"georef 3, georef-snap 1"},{"label":"key map","value":"none"},{"label":"split sheets","value":"2 sheet(s) cut into 7 panels"},{"label":"unplaced pages","value":"p1__1 (tier 4, 40.92096,-73.74865 +/-585m); p1__3 (tier 4, 40.92096,-73.74865 +/-585m); p1__4 (tier 4, 40.92096,-73.74865 +/-585m); p3__2 (tier 1, 40.92549,-73.74716 +/-124m)"}],"items":[{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd380m:g3804m:g3804lm:g3804lm_g060311893:06031_1893-0001__2/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Larchmont, New-York | 1893 | sanborn06031_001 p1 [2]","metadata":[{"label":"streets","value":"5"},{"label":"intersections","value":"5"},{"label":"confidence","value":"0.55"},{"label":"confidence_provisional","value":"true"},{"label":"confidence_model","value":"corpus-v2"},{"label":"split_canvas_x","value":"0.0"},{"label":"split_canvas_y","value":"1860.0"},{"label":"split_canvas_w","value":"6452.0"},{"label":"split_canvas_h","value":"5792.0"}],"created":"2026-10-19T15:15:57Z","modified":"2026-10-19T15:15:57Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd380m:g3804m:g3804lm:g3804lm_g060311893:06031_1893-0001__2/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd380m:g3804m:g3804lm:g3804lm_g060311893:06031_1893-0001","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1324.0,1423.9 1323.6,1434.8 1322.5,1468.5 1320.0,1468.5 945.0,1468.5 945.0,1447.8 582.0,1470.7 578.0,1059.0 571.8,919.5 554.7,664.2 517.8,465.0 502.3,465.0 503.8,485.7 46.0,533.6 87.8,661.6 26.8,1312.2 66.0,1889.0 1529.2,1912.0 1582.9,1407.5 1324.0,1423.9\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd380m:g3804m:g3804lm:g3804lm_g060311893:06031_1893-0001__2/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[75.0,1468.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-73.7514937,40.9171103]}},{"type":"Feature","properties":{"resourceCoords":[578.0,1059.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-73.7506298,40.9181266]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd380m:g3804m:g3804lm:g3804lm_g060311893:06031_1893-0002/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Larchmont, New-York | 1893 | sanborn06031_001 p2","metadata":[{"label":"streets","value":"11"},{"label":"intersections","value":"26"},{"label":"confidence","value":"0.98"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-19T15:15:57Z","modified":"2026-10-19T15:15:57Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd380m:g3804m:g3804lm:g3804lm_g060311893:06031_1893-0002/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd380m:g3804m:g3804lm:g3804lm_g060311893:06031_1893-0002","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1612.0,336.3 1612.0,339.9 1557.8,357.5 1491.2,378.9 1490.3,572.4 1505.5,795.9 1512.8,1122.8 1535.0,1410.6 1546.5,1464.8 1578.0,1540.0 1612.0,1592.1 1612.0,1800.8 1597.3,1807.0 1556.1,1909.8 1555.3,1912.0 1544.5,1912.0 1540.8,1876.9 1056.2,1879.7 1054.2,1890.7 792.4,1886.2 789.4,1912.0 551.2,1912.0 407.5,1900.5 409.1,1879.7 42.1,1873.4 71.3,1458.9 76.3,1318.0 79.8,1059.8 58.8,856.4 43.1,855.2 50.4,102.7 104.5,30.3 1564.3,64.2 1517.5,100.0 1585.5,334.6 1612.0,332.1 1612.0,336.3\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd380m:g3804m:g3804lm:g3804lm_g060311893:06031_1893-0002/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[963.0,1133.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-73.748929,40.9193181]}},{"type":"Feature","properties":{"resourceCoords":[451.0,78.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-73.7510795,40.9207484]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd380m:g3804m:g3804lm:g3804lm_g060311893:06031_1893-0003__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Larchmont, New-York | 1893 | sanborn06031_001 p3 [1]","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.78"},{"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":"2026-10-19T15:15:57Z","modified":"2026-10-19T15:15:57Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd380m:g3804m:g3804lm:g3804lm_g060311893:06031_1893-0003__1/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd380m:g3804m:g3804lm:g3804lm_g060311893:06031_1893-0003","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"51.9,1629.8 52.0,1630.8 65.1,1855.1 168.4,1896.0 1530.2,1871.5 1586.6,1718.3 1558.2,1623.0 1404.7,1533.8 1186.3,1535.4 1186.1,1534.7 1182.8,1534.8 1058.0,1090.9 939.6,961.1 944.0,848.6 886.6,842.0 705.5,842.0 657.0,842.0 657.0,830.1 657.0,815.6 625.8,812.0 577.9,85.6 418.0,26.1 194.8,36.5 193.8,36.5 137.8,59.6 69.5,78.2 59.6,273.6 64.6,500.2 56.8,830.9 65.7,1122.7 74.8,1178.0 103.2,1255.5 135.1,1309.7 125.4,1520.5 110.3,1526.2 63.8,1628.1 51.9,1629.8\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd380m:g3804m:g3804lm:g3804lm_g060311893:06031_1893-0003__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[77.0,831.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-73.7476556529389,40.919743715200184]}},{"type":"Feature","properties":{"resourceCoords":[476.0,1360.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-73.74623717714037,40.9191839468364]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd380m:g3804m:g3804lm:g3804lm_g060311893:06031_1893-0003__3/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Larchmont, New-York | 1893 | sanborn06031_001 p3 [3]","metadata":[{"label":"streets","value":"2"},{"label":"intersections","value":"1"},{"label":"confidence","value":"0.59"},{"label":"confidence_provisional","value":"true"},{"label":"confidence_model","value":"corpus-v2"},{"label":"split_canvas_x","value":"3946.8"},{"label":"split_canvas_y","value":"3368.0"},{"label":"split_canvas_w","value":"2505.2"},{"label":"split_canvas_h","value":"2773.6"}],"created":"2026-10-19T15:15:57Z","modified":"2026-10-19T15:15:57Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd380m:g3804m:g3804lm:g3804lm_g060311893:06031_1893-0003__3/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd380m:g3804m:g3804lm:g3804lm_g060311893:06031_1893-0003","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1580.9,1433.8 1592.0,941.4 1542.0,862.9 1042.2,895.3 1222.0,1504.7 1494.9,1519.8 1580.9,1433.8\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd380m:g3804m:g3804lm:g3804lm_g060311893:06031_1893-0003__3/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[986.7,842.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-73.7501595027418,40.92669857558253]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,842.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-73.74866155847802,40.92694668882769]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,1535.4],"type":"corner"},"geometry":{"type":"Point","coordinates":[-73.74829759410741,40.92569925326995]}},{"type":"Feature","properties":{"resourceCoords":[986.7,1535.4],"type":"corner"},"geometry":{"type":"Point","coordinates":[-73.74979553837119,40.925451140024784]}},{"type":"Feature","properties":{"resourceCoords":[1559.0,968.1],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-73.7487243,40.9266987]}}]}}]}