{"id":"https://data.mapsnap.org/runs/v1.3/iiif/loc/sanborn09553_001.main.iiif.json","type":"AnnotationPage","@context":["http://www.w3.org/ns/anno.jsonld"],"label":"Fort Atkinson, Wisconsin | 1884 | mapsnap generated fit (2026-09-24)","creator":{"type":"Software","name":"mapsnap","homepage":"https://mapsnap.org"},"rights":"https://opendatacommons.org/licenses/odbl/1-0/","metadata":[{"label":"generated","value":"2026-09-24"},{"label":"run","value":"corpus-v1"},{"label":"pages","value":"3"},{"label":"placed","value":"2"},{"label":"unplaced","value":"1"},{"label":"fit sources","value":"georef-snap 1, georef 1"},{"label":"key map","value":"none"},{"label":"split sheets","value":"1 sheet(s) cut into 2 panels"},{"label":"unplaced pages","value":"p2__2 (tier 4, 42.92853,-88.83695 +/-206m)"}],"items":[{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd412m:g4124m:g4124fm:g095531884:09553_1884-0001/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Fort Atkinson, Wisconsin | 1884 | sanborn09553_001 p1","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-24T00:03:34Z","modified":"2026-09-24T00:03:34Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd412m:g4124m:g4124fm:g095531884:09553_1884-0001/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd412m:g4124m:g4124fm:g095531884:09553_1884-0001/info.json","type":"ImageService2","height":7548,"width":6372},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"0.0,0.0 6372.0,0.0 6372.0,7548.0 -0.0,7548.0 0.0,0.0\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd412m:g4124m:g4124fm:g095531884:09553_1884-0001/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-88.83998606924372,42.93201862965699]}},{"type":"Feature","properties":{"resourceCoords":[6372.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-88.83587163477979,42.93208371570071]}},{"type":"Feature","properties":{"resourceCoords":[6372.0,7548.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-88.83576707365283,42.92849003062469]}},{"type":"Feature","properties":{"resourceCoords":[0.0,7548.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-88.83988150811676,42.92842494458096]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd412m:g4124m:g4124fm:g095531884:09553_1884-0002__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Fort Atkinson, Wisconsin | 1884 | sanborn09553_001 p2 [1]","metadata":[{"label":"streets","value":"4"},{"label":"intersections","value":"6"},{"label":"split_canvas_x","value":"0.0"},{"label":"split_canvas_y","value":"0.0"},{"label":"split_canvas_w","value":"6372.0"},{"label":"split_canvas_h","value":"7548.0"}],"created":"2026-09-24T00:03:34Z","modified":"2026-09-24T00:03:34Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd412m:g4124m:g4124fm:g095531884:09553_1884-0002__1/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd412m:g4124m:g4124fm:g095531884:09553_1884-0002/info.json","type":"ImageService2","height":7548,"width":6372},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"6372.0,4938.8 1878.8,2719.6 1873.2,0.0 -0.0,-0.0 -0.0,7548.0 6372.0,7548.0 6372.0,4938.8\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd412m:g4124m:g4124fm:g095531884:09553_1884-0002__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[3072.0,5304.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-88.8369949,42.9268503]}},{"type":"Feature","properties":{"resourceCoords":[5156.0,5304.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-88.836976,42.925878]}}]}}]}