{"id":"https://data.mapsnap.org/runs/v2.0/iiif/chronoscope/sanborn01632_002.main.iiif.json","type":"AnnotationPage","@context":["http://www.w3.org/ns/anno.jsonld"],"label":"Mccammon, Idaho | 1929 | mapsnap generated fit (2026-10-17)","creator":{"type":"Software","name":"mapsnap","homepage":"https://mapsnap.org"},"rights":"https://opendatacommons.org/licenses/odbl/1-0/","metadata":[{"label":"generated","value":"2026-10-17"},{"label":"run","value":"corpus-v2"},{"label":"pages","value":"4"},{"label":"placed","value":"2"},{"label":"unplaced","value":"2"},{"label":"fit sources","value":"georef 2"},{"label":"key map","value":"none"},{"label":"split sheets","value":"1 sheet(s) cut into 4 panels"},{"label":"unplaced pages","value":"p1__2 (tier 4, 42.65238,-112.19346 +/-183m); p1__4 (tier 4, 42.65238,-112.19346 +/-183m)"}],"items":[{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd427m:g4274m:g4274mm:g016321929:01632_1929-0001__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Mccammon, Idaho | 1929 | sanborn01632_002 p1 [1]","metadata":[{"label":"streets","value":"2"},{"label":"intersections","value":"1"},{"label":"confidence","value":"0.58"},{"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":"1688.0"},{"label":"split_canvas_h","value":"2045.6"}],"created":"2026-10-17T21:38:23Z","modified":"2026-10-17T21:38:23Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd427m:g4274m:g4274mm:g016321929:01632_1929-0001__1/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd427m:g4274m:g4274mm:g016321929:01632_1929-0001","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"409.8,505.9 405.9,11.5 32.6,7.7 6.8,498.4 409.8,505.9\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd427m:g4274m:g4274mm:g016321929:01632_1929-0001__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":[-112.1933363014408,42.651166324639306]}},{"type":"Feature","properties":{"resourceCoords":[422.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-112.19234486277998,42.65144822612591]}},{"type":"Feature","properties":{"resourceCoords":[422.0,511.4],"type":"corner"},"geometry":{"type":"Point","coordinates":[-112.191880157723,42.650566359888096]}},{"type":"Feature","properties":{"resourceCoords":[0.0,511.4],"type":"corner"},"geometry":{"type":"Point","coordinates":[-112.19287159638382,42.650284458401494]}},{"type":"Feature","properties":{"resourceCoords":[106.0,273.2],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-112.192839,42.650766]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd427m:g4274m:g4274mm:g016321929:01632_1929-0001__3/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Mccammon, Idaho | 1929 | sanborn01632_002 p1 [3]","metadata":[{"label":"streets","value":"6"},{"label":"intersections","value":"9"},{"label":"confidence","value":"0.69"},{"label":"confidence_provisional","value":"true"},{"label":"confidence_model","value":"corpus-v2"},{"label":"split_canvas_x","value":"1994.8"},{"label":"split_canvas_y","value":"0.0"},{"label":"split_canvas_w","value":"4457.2"},{"label":"split_canvas_h","value":"7652.0"}],"created":"2026-10-17T21:38:23Z","modified":"2026-10-17T21:38:23Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd427m:g4274m:g4274mm:g016321929:01632_1929-0001__3/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd427m:g4274m:g4274mm:g016321929:01632_1929-0001","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"737.1,1645.4 737.7,1652.2 742.5,1655.6 742.5,1699.0 760.7,1878.7 1488.0,1879.8 1517.2,1820.7 1598.7,1873.6 1581.1,46.6 773.6,31.8 733.9,396.9 723.5,403.3 723.5,410.2 694.8,421.1 544.2,513.9 521.9,660.7 525.1,1483.0 737.1,1645.4\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd427m:g4274m:g4274mm:g016321929:01632_1929-0001__3/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1576.0,1113.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-112.1929522,42.6539552]}},{"type":"Feature","properties":{"resourceCoords":[526.7,579.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-112.1958978,42.6542204]}}]}}]}