{"id":"https://data.mapsnap.org/runs/v2.0/iiif/chronoscope/sanborn05751_002.main.iiif.json","type":"AnnotationPage","@context":["http://www.w3.org/ns/anno.jsonld"],"label":"Avoca, New-York | 1898 | 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":"7"},{"label":"placed","value":"3"},{"label":"unplaced","value":"4"},{"label":"fit sources","value":"georef-snap 2, georef 1"},{"label":"key map","value":"none"},{"label":"split sheets","value":"1 sheet(s) cut into 6 panels"},{"label":"unplaced pages","value":"p2__2 (tier 1, 42.37408,-77.36685 +/-100m); p2__4 (tier 1, 42.40812,-77.41630 +/-100m); p2__5 (tier 1, 42.40948,-77.41718 +/-100m); p2__6 (tier 1, 42.41320,-77.41621 +/-112m)"}],"items":[{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd380m:g3804m:g3804am:g3804am_g057511898:05751_1898-0001/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Avoca, New-York | 1898 | sanborn05751_002 p1","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.79"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-18T07:48:23Z","modified":"2026-10-18T07:48:23Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd380m:g3804m:g3804am:g3804am_g057511898:05751_1898-0001/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd380m:g3804m:g3804am:g3804am_g057511898:05751_1898-0001","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"458.4,54.2 459.5,88.0 762.5,93.3 760.9,45.9 1249.8,31.4 1512.8,92.1 1578.9,1855.1 59.2,1860.9 82.7,125.3 148.5,68.1 458.4,54.2\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd380m:g3804m:g3804am:g3804am_g057511898:05751_1898-0001/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[478.0,665.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-77.42140351382236,42.4095227703908]}},{"type":"Feature","properties":{"resourceCoords":[478.0,91.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-77.42150821029666,42.41062370901261]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd380m:g3804m:g3804am:g3804am_g057511898:05751_1898-0002__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Avoca, New-York | 1898 | sanborn05751_002 p2 [1]","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":"0.0"},{"label":"split_canvas_y","value":"0.0"},{"label":"split_canvas_w","value":"3227.2"},{"label":"split_canvas_h","value":"1275.6"}],"created":"2026-10-18T07:48:23Z","modified":"2026-10-18T07:48:23Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd380m:g3804m:g3804am:g3804am_g057511898:05751_1898-0002__1/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd380m:g3804m:g3804am:g3804am_g057511898:05751_1898-0002","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"755.8,289.8 760.7,28.1 434.9,18.4 351.5,90.2 66.1,12.7 1.0,77.4 1.0,269.6 78.2,317.6 755.8,289.8\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd380m:g3804m:g3804am:g3804am_g057511898:05751_1898-0002__1/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-77.42098403676125,42.412799417908076]}},{"type":"Feature","properties":{"resourceCoords":[806.8,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-77.41890759071393,42.41291174986358]}},{"type":"Feature","properties":{"resourceCoords":[806.8,318.9],"type":"corner"},"geometry":{"type":"Point","coordinates":[-77.41884758274767,42.41230438542672]}},{"type":"Feature","properties":{"resourceCoords":[0.0,318.9],"type":"corner"},"geometry":{"type":"Point","coordinates":[-77.420924028795,42.412192053471216]}},{"type":"Feature","properties":{"resourceCoords":[318.9,282.9],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-77.42011,42.412305]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd380m:g3804m:g3804am:g3804am_g057511898:05751_1898-0002__3/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Avoca, New-York | 1898 | sanborn05751_002 p2 [3]","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.33"},{"label":"confidence_provisional","value":"true"},{"label":"confidence_model","value":"corpus-v2"},{"label":"split_canvas_x","value":"0.0"},{"label":"split_canvas_y","value":"1224.8"},{"label":"split_canvas_w","value":"3280.0"},{"label":"split_canvas_h","value":"6427.2"}],"created":"2026-10-18T07:48:23Z","modified":"2026-10-18T07:48:23Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd380m:g3804m:g3804am:g3804am_g057511898:05751_1898-0002__3/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd380m:g3804m:g3804am:g3804am_g057511898:05751_1898-0002","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"40.8,1746.2 434.6,1741.3 434.7,1784.3 819.0,1803.5 819.0,1785.2 819.0,1743.2 813.2,1743.2 773.5,736.1 787.9,683.9 810.3,698.9 808.4,475.5 756.6,465.8 715.2,345.1 591.2,332.3 250.5,422.6 237.7,546.7 42.2,705.7 87.6,1570.1 52.6,1736.7 40.8,1746.2\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd380m:g3804m:g3804am:g3804am_g057511898:05751_1898-0002__3/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[426.0,727.1],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-77.42179642178134,42.41221798844813]}},{"type":"Feature","properties":{"resourceCoords":[426.0,1796.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-77.42157206899964,42.41060794519095]}}]}}]}