{"id":"https://data.mapsnap.org/runs/v2.0/iiif/chronoscope/sanborn02520_001.main.iiif.json","type":"AnnotationPage","@context":["http://www.w3.org/ns/anno.jsonld"],"label":"Van Buren, Indiana | 1898 | 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":"2"},{"label":"unplaced","value":"3"},{"label":"fit sources","value":"georef 2"},{"label":"key map","value":"none"},{"label":"split sheets","value":"2 sheet(s) cut into 5 panels"},{"label":"unplaced pages","value":"p1__1 (tier 4, 40.61612,-85.50737 +/-206m); p1__2 (tier 4, 40.61612,-85.50737 +/-206m); p1__3 (tier 4, 40.61612,-85.50737 +/-206m)"}],"items":[{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd409m:g4094m:g4094vm:g4094vm_g025201898:02520_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":"Van Buren, Indiana | 1898 | sanborn02520_001 p2 [1]","metadata":[{"label":"streets","value":"6"},{"label":"intersections","value":"6"},{"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":"0.0"},{"label":"split_canvas_w","value":"6452.0"},{"label":"split_canvas_h","value":"7652.0"}],"created":"2026-10-22T13:37:42Z","modified":"2026-10-22T13:37:42Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd409m:g4094m:g4094vm:g4094vm_g025201898:02520_1898-0002__1/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd409m:g4094m:g4094vm:g4094vm_g025201898:02520_1898-0002","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1564.3,45.5 86.0,51.0 119.8,561.2 21.8,863.6 60.0,1854.2 1101.9,1890.3 1205.8,1831.8 1251.9,1536.5 1255.0,1536.4 1255.0,1533.5 1324.3,1533.5 1407.2,1530.1 1415.0,1456.2 1570.5,1412.8 1564.3,45.5\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd409m:g4094m:g4094vm:g4094vm_g025201898:02520_1898-0002__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[838.0,278.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-85.5072866,40.6174993]}},{"type":"Feature","properties":{"resourceCoords":[838.0,1766.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-85.5108644,40.6174823]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd409m:g4094m:g4094vm:g4094vm_g025201898:02520_1898-0002__2/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Van Buren, Indiana | 1898 | sanborn02520_001 p2 [2]","metadata":[{"label":"streets","value":"2"},{"label":"intersections","value":"2"},{"label":"confidence","value":"0.51"},{"label":"confidence_provisional","value":"true"},{"label":"confidence_model","value":"corpus-v2"},{"label":"split_canvas_x","value":"5020.0"},{"label":"split_canvas_y","value":"6134.0"},{"label":"split_canvas_w","value":"1432.0"},{"label":"split_canvas_h","value":"1518.0"}],"created":"2026-10-22T13:37:42Z","modified":"2026-10-22T13:37:42Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd409m:g4094m:g4094vm:g4094vm_g025201898:02520_1898-0002__2/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd409m:g4094m:g4094vm:g4094vm_g025201898:02520_1898-0002","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1269.8,1580.7 1295.9,1905.1 1596.0,1908.2 1596.0,1891.0 1598.0,1890.9 1594.0,1613.5 1535.6,1554.0 1269.8,1580.7\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd409m:g4094m:g4094vm:g4094vm_g025201898:02520_1898-0002__2/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[1255.0,1533.5],"type":"corner"},"geometry":{"type":"Point","coordinates":[-85.50535919987577,40.61501720881135]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,1533.5],"type":"corner"},"geometry":{"type":"Point","coordinates":[-85.50535017050082,40.61436246738289]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-85.50626568109062,40.61435519184215]}},{"type":"Feature","properties":{"resourceCoords":[1255.0,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-85.50627471046558,40.61500993327061]}},{"type":"Feature","properties":{"resourceCoords":[1327.0,1827.1],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-85.5060657,40.6148799]}},{"type":"Feature","properties":{"resourceCoords":[1327.0,1827.1],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-85.5060657,40.6148799]}}]}}]}