{"id":"https://data.mapsnap.org/runs/v2.0/iiif/chronoscope/sanborn09358_001.main.iiif.json","type":"AnnotationPage","@context":["http://www.w3.org/ns/anno.jsonld"],"label":"Vancouver, Washington | 1884 | 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":"3"},{"label":"placed","value":"1"},{"label":"unplaced","value":"2"},{"label":"fit sources","value":"georef 1"},{"label":"key map","value":"none"},{"label":"split sheets","value":"1 sheet(s) cut into 3 panels"},{"label":"unplaced pages","value":"p1__2 (tier 4, 45.62445,-122.67122 +/-100m); p1__3 (tier 4, 45.62445,-122.67122 +/-100m)"}],"items":[{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd428m:g4284m:g4284vm:g4284vm_g093581884:09358_1884-0001__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Vancouver, Washington | 1884 | sanborn09358_001 p1 [1]","metadata":[{"label":"streets","value":"5"},{"label":"intersections","value":"4"},{"label":"confidence","value":"0.08"},{"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":"2026-10-22T13:06:43Z","modified":"2026-10-22T13:06:43Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd428m:g4284m:g4284vm:g4284vm_g093581884:09358_1884-0001__1/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd428m:g4284m:g4284vm:g4284vm_g093581884:09358_1884-0001","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1509.8,65.8 550.4,72.0 339.1,20.4 75.0,102.3 115.7,1825.6 413.1,1891.5 864.8,1838.1 923.9,1080.6 929.0,1080.0 929.0,1075.4 970.6,1075.1 1149.7,1053.9 1277.1,693.2 1312.4,676.8 1325.1,642.0 1326.3,638.6 1396.7,637.6 1571.5,556.3 1509.8,65.8\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd428m:g4284m:g4284vm:g4284vm_g093581884:09358_1884-0001__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[615.0,672.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.6716863,45.6249439]}},{"type":"Feature","properties":{"resourceCoords":[615.0,250.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.6716711,45.6256737]}}]}}]}