{"id":"https://data.mapsnap.org/runs/v1.3/iiif/chronoscope/sanborn01842_001.main.iiif.json","type":"AnnotationPage","@context":["http://www.w3.org/ns/anno.jsonld"],"label":"Effingham, Illinois | 1888 | mapsnap generated fit (2026-09-21)","creator":{"type":"Software","name":"mapsnap","homepage":"https://mapsnap.org"},"rights":"https://opendatacommons.org/licenses/odbl/1-0/","metadata":[{"label":"generated","value":"2026-09-21"},{"label":"run","value":"corpus-v1"},{"label":"pages","value":"3"},{"label":"placed","value":"3"},{"label":"unplaced","value":"0"},{"label":"fit sources","value":"georef 2, georef-snap 1"},{"label":"key map","value":"none"},{"label":"split sheets","value":"1 sheet(s) cut into 2 panels"}],"items":[{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd410m:g4104m:g4104em:g018421888:01842_1888-0001__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Effingham, Illinois | 1888 | sanborn01842_001 p1 [1]","metadata":[{"label":"streets","value":"5"},{"label":"intersections","value":"6"},{"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":"2026-09-21T23:36:38Z","modified":"2026-09-21T23:36:38Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd410m:g4104m:g4104em:g018421888:01842_1888-0001__1/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd410m:g4104m:g4104em:g018421888:01842_1888-0001","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"-0.0,1913.0 1515.2,1913.0 1517.8,588.0 1404.9,596.9 1407.5,393.0 1531.2,22.6 1613.0,0.0 774.1,0.0 774.9,456.0 53.1,457.1 0.0,457.1 -0.0,1913.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd410m:g4104m:g4104em:g018421888:01842_1888-0001__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1517.0,1019.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-88.5433261,39.1213849]}},{"type":"Feature","properties":{"resourceCoords":[1517.0,1761.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-88.543324,39.119988]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd410m:g4104m:g4104em:g018421888:01842_1888-0001__2/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Effingham, Illinois | 1888 | sanborn01842_001 p1 [2]","metadata":[{"label":"streets","value":"2"},{"label":"intersections","value":"1"},{"label":"split_canvas_x","value":"0.0"},{"label":"split_canvas_y","value":"0.0"},{"label":"split_canvas_w","value":"3099.6"},{"label":"split_canvas_h","value":"1828.4"}],"created":"2026-09-21T23:36:38Z","modified":"2026-09-21T23:36:38Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd410m:g4104m:g4104em:g018421888:01842_1888-0001__2/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd410m:g4104m:g4104em:g018421888:01842_1888-0001","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"53.1,457.1 774.9,456.0 774.1,0.0 0.0,0.0 -0.0,457.1 53.1,457.1\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd410m:g4104m:g4104em:g018421888:01842_1888-0001__2/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-88.55301265249423,39.12370721888418]}},{"type":"Feature","properties":{"resourceCoords":[774.9,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-88.55117180200865,39.12393557752766]}},{"type":"Feature","properties":{"resourceCoords":[774.9,457.1],"type":"corner"},"geometry":{"type":"Point","coordinates":[-88.5509983397288,39.12309290290365]}},{"type":"Feature","properties":{"resourceCoords":[0.0,457.1],"type":"corner"},"geometry":{"type":"Point","coordinates":[-88.55283919021439,39.12286454426017]}},{"type":"Feature","properties":{"resourceCoords":[87.0,411.1],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-88.55265,39.122975]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd410m:g4104m:g4104em:g018421888:01842_1888-0002/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Effingham, Illinois | 1888 | sanborn01842_001 p2","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-21T23:36:38Z","modified":"2026-09-21T23:36:38Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd410m:g4104m:g4104em:g018421888:01842_1888-0002/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd410m:g4104m:g4104em:g018421888:01842_1888-0002","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"114.5,570.2 -0.0,580.6 -0.0,375.1 120.6,0.0 1613.0,0.0 1613.0,1913.0 129.2,1905.9 114.5,570.2\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd410m:g4104m:g4104em:g018421888:01842_1888-0002/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-88.54358262642455,39.12326342917517]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-88.5397277007381,39.12322757948314]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-88.53978212053659,39.11965562665033]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-88.54363704622304,39.119691476342354]}}]}}]}