{"id":"https://data.mapsnap.org/runs/v2.0/iiif/chronoscope/sanborn03290_001.main.iiif.json","type":"AnnotationPage","@context":["http://www.w3.org/ns/anno.jsonld"],"label":"Church Point, Louisiana | 1935 | 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":"5"},{"label":"placed","value":"3"},{"label":"unplaced","value":"2"},{"label":"fit sources","value":"georef 3"},{"label":"key map","value":"none"},{"label":"split sheets","value":"2 sheet(s) cut into 4 panels"},{"label":"unplaced pages","value":"p1__2 (tier 4, 30.40521,-92.21620 +/-471m); p2__1 (tier 1, 30.40303,-92.22457 +/-116m)"}],"items":[{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd401m:g4014m:g4014cm:g032901935:03290_1935-0001__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Church Point, Louisiana | 1935 | sanborn03290_001 p1 [1]","metadata":[{"label":"streets","value":"7"},{"label":"intersections","value":"14"},{"label":"confidence","value":"0.84"},{"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":"2026-10-22T13:33:34Z","modified":"2026-10-22T13:33:34Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd401m:g4014m:g4014cm:g032901935:03290_1935-0001__1/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd401m:g4014m:g4014cm:g032901935:03290_1935-0001","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1292.2,1848.6 1318.0,1805.7 1401.7,1854.2 1493.4,1848.7 1529.5,1806.4 1543.9,1254.8 1516.4,1211.3 1143.5,1208.0 853.0,1205.9 853.0,1205.4 852.5,1205.4 803.8,800.4 685.1,675.1 664.1,604.2 670.2,212.3 616.5,61.6 407.9,26.1 132.5,71.6 131.2,237.2 127.8,481.5 126.5,505.8 129.4,681.5 127.2,703.1 126.9,796.1 133.1,1076.6 128.6,1130.6 121.4,1261.2 126.6,1449.0 126.1,1682.6 126.8,1762.8 200.5,1761.3 307.3,1761.9 476.2,1759.9 511.1,1760.9 825.0,1760.0 1023.4,1763.3 1292.2,1816.5 1292.2,1848.6\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd401m:g4014m:g4014cm:g032901935:03290_1935-0001__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[825.0,1760.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-92.213593,30.405789]}},{"type":"Feature","properties":{"resourceCoords":[647.0,1760.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-92.214197,30.405401]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd401m:g4014m:g4014cm:g032901935:03290_1935-0002__2/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Church Point, Louisiana | 1935 | sanborn03290_001 p2 [2]","metadata":[{"label":"streets","value":"8"},{"label":"intersections","value":"12"},{"label":"confidence","value":"0.89"},{"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":"2026-10-22T13:33:34Z","modified":"2026-10-22T13:33:34Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd401m:g4014m:g4014cm:g032901935:03290_1935-0002__2/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd401m:g4014m:g4014cm:g032901935:03290_1935-0002","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1502.5,81.9 1358.8,106.8 1051.9,91.1 968.4,161.7 900.9,166.9 680.0,96.0 574.5,109.6 370.2,78.2 286.8,30.6 52.7,27.4 26.0,262.4 53.5,491.8 26.2,1335.8 78.7,1506.2 154.0,1484.0 416.4,1525.5 422.0,1525.5 422.0,1526.4 423.0,1526.5 448.3,1758.8 505.5,1823.5 738.2,1834.8 845.9,1886.5 1083.5,1878.7 1098.3,1890.9 1158.2,1854.1 1157.4,1761.5 1328.5,1760.9 1400.7,1759.2 1510.0,1760.0 1508.7,1680.5 1507.3,1448.6 1500.8,1262.4 1506.8,1132.7 1510.9,1079.1 1502.5,800.9 1502.2,708.5 1504.2,687.1 1500.0,512.8 1501.0,488.6 1502.5,246.3 1502.5,81.9\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd401m:g4014m:g4014cm:g032901935:03290_1935-0002__2/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[791.0,357.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-92.221964,30.406858]}},{"type":"Feature","properties":{"resourceCoords":[1510.0,1760.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-92.215955,30.404259]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd401m:g4014m:g4014cm:g032901935:03290_1935-0003/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Church Point, Louisiana | 1935 | sanborn03290_001 p3","metadata":[{"label":"streets","value":"11"},{"label":"intersections","value":"24"},{"label":"confidence","value":"0.97"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-22T13:33:34Z","modified":"2026-10-22T13:33:34Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd401m:g4014m:g4014cm:g032901935:03290_1935-0003/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd401m:g4014m:g4014cm:g032901935:03290_1935-0003","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"99.9,162.8 99.7,70.0 271.2,70.5 343.6,69.2 453.1,70.8 526.3,69.2 632.5,69.7 800.5,67.4 835.1,68.4 1147.3,67.0 1344.7,70.0 1612.0,122.6 1612.0,154.5 1540.7,273.2 1581.1,582.6 1537.0,888.6 1560.8,961.3 1519.2,1017.4 1559.2,1074.5 1530.0,1126.2 1560.2,1153.2 1559.3,1271.6 1513.3,1333.5 1523.5,1473.9 1560.5,1510.5 1556.9,1842.1 1478.4,1880.0 1375.3,1858.4 948.3,1884.7 482.6,1808.9 318.1,1851.6 50.3,1817.6 22.4,1664.0 42.5,1267.0 21.3,1123.0 57.0,902.2 35.1,629.5 72.9,227.2 39.7,199.3 99.9,162.8\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd401m:g4014m:g4014cm:g032901935:03290_1935-0003/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[452.0,850.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-92.213982,30.401961]}},{"type":"Feature","properties":{"resourceCoords":[1146.0,508.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-92.212479,30.404487]}}]}}]}