{"id":"https://data.mapsnap.org/runs/v1.3/iiif/loc/sanborn01778_001.main.iiif.json","type":"AnnotationPage","@context":["http://www.w3.org/ns/anno.jsonld"],"label":"Champaign, Illinois | 1887 | mapsnap generated fit (2026-09-22)","creator":{"type":"Software","name":"mapsnap","homepage":"https://mapsnap.org"},"rights":"https://opendatacommons.org/licenses/odbl/1-0/","metadata":[{"label":"generated","value":"2026-09-22"},{"label":"run","value":"corpus-v1"},{"label":"pages","value":"10"},{"label":"placed","value":"6"},{"label":"unplaced","value":"4"},{"label":"fit sources","value":"georef 4, georef-snap 2"},{"label":"key map","value":"none"},{"label":"split sheets","value":"3 sheet(s) cut into 8 panels"},{"label":"unplaced pages","value":"p1__1 (tier 1, 40.11731,-88.24118 +/-230m); p1__2 (tier 1, 40.11437,-88.24215 +/-101m); p5__2 (tier 1, 40.11822,-88.22832 +/-365m); p5__4 (tier 4, 40.11744,-88.24199 +/-884m)"}],"items":[{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd410m:g4104m:g4104cm:g017781887:01778_1887-0002/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Champaign, Illinois | 1887 | sanborn01778_001 p2","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-22T01:08:58Z","modified":"2026-09-22T01:08:58Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd410m:g4104m:g4104cm:g017781887:01778_1887-0002/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd410m:g4104m:g4104cm:g017781887:01778_1887-0002/info.json","type":"ImageService2","height":7652,"width":6452},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"-0.0,-0.0 6091.7,0.0 6139.5,7562.4 -0.0,7652.0 -0.0,-0.0\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd410m:g4104m:g4104cm:g017781887:01778_1887-0002/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-88.2472308447661,40.11979679393523]}},{"type":"Feature","properties":{"resourceCoords":[6452.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-88.2433502211736,40.11980704652542]}},{"type":"Feature","properties":{"resourceCoords":[6452.0,7652.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-88.24333443202211,40.116262688931066]}},{"type":"Feature","properties":{"resourceCoords":[0.0,7652.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-88.2472150556146,40.11625243634087]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd410m:g4104m:g4104cm:g017781887:01778_1887-0003__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Champaign, Illinois | 1887 | sanborn01778_001 p3 [1]","metadata":[{"label":"streets","value":"2"},{"label":"intersections","value":"1"},{"label":"split_canvas_x","value":"0.0"},{"label":"split_canvas_y","value":"5969.2"},{"label":"split_canvas_w","value":"1632.4"},{"label":"split_canvas_h","value":"1682.8"}],"created":"2026-09-22T01:08:58Z","modified":"2026-09-22T01:08:58Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd410m:g4104m:g4104cm:g017781887:01778_1887-0003__1/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd410m:g4104m:g4104cm:g017781887:01778_1887-0003/info.json","type":"ImageService2","height":7652,"width":6452},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"0.0,7652.0 1629.2,7652.0 1632.4,5969.2 0.0,5972.8 0.0,7652.0\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd410m:g4104m:g4104cm:g017781887:01778_1887-0003__1/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,5969.2],"type":"corner"},"geometry":{"type":"Point","coordinates":[-88.25264233776589,40.11733836912578]}},{"type":"Feature","properties":{"resourceCoords":[1632.4,5969.2],"type":"corner"},"geometry":{"type":"Point","coordinates":[-88.2516618109237,40.11734149269557]}},{"type":"Feature","properties":{"resourceCoords":[1632.4,7652.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-88.25165759485856,40.1165680159608]}},{"type":"Feature","properties":{"resourceCoords":[0.0,7652.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-88.25263812170076,40.11656489239101]}},{"type":"Feature","properties":{"resourceCoords":[1448.4,6113.1],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-88.251772,40.117275]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd410m:g4104m:g4104cm:g017781887:01778_1887-0003__2/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Champaign, Illinois | 1887 | sanborn01778_001 p3 [2]","metadata":[{"label":"streets","value":"9"},{"label":"intersections","value":"20"},{"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":"2026-09-22T01:08:58Z","modified":"2026-09-22T01:08:58Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd410m:g4104m:g4104cm:g017781887:01778_1887-0003__2/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd410m:g4104m:g4104cm:g017781887:01778_1887-0003/info.json","type":"ImageService2","height":7652,"width":6452},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"3586.9,7256.5 3590.1,7652.0 6176.2,6896.1 6112.3,173.8 6452.0,173.0 6452.0,0.0 5710.8,0.0 -0.0,-0.0 -0.0,1482.4 1507.5,5969.5 1632.4,5969.2 1631.7,6339.1 2072.8,7652.0 2203.1,7652.0 2165.6,7258.3 3586.9,7256.5\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd410m:g4104m:g4104cm:g017781887:01778_1887-0003__2/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[4852.0,7328.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-88.241855,40.116314]}},{"type":"Feature","properties":{"resourceCoords":[3572.0,4444.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-88.242054,40.117775]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd410m:g4104m:g4104cm:g017781887:01778_1887-0004/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Champaign, Illinois | 1887 | sanborn01778_001 p4","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-22T01:08:58Z","modified":"2026-09-22T01:08:58Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd410m:g4104m:g4104cm:g017781887:01778_1887-0004/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd410m:g4104m:g4104cm:g017781887:01778_1887-0004/info.json","type":"ImageService2","height":7652,"width":6452},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"3465.3,7109.6 584.4,7062.4 461.1,7164.3 -0.0,6968.9 -0.0,-0.0 6452.0,0.0 6452.0,7652.0 3460.4,7652.0 3465.3,7109.6\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd410m:g4104m:g4104cm:g017781887:01778_1887-0004/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-88.23977914779782,40.1193006558592]}},{"type":"Feature","properties":{"resourceCoords":[6452.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-88.2361035096171,40.1183958213847]}},{"type":"Feature","properties":{"resourceCoords":[6452.0,7652.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-88.23749694959497,40.11503863980087]}},{"type":"Feature","properties":{"resourceCoords":[0.0,7652.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-88.2411725877757,40.11594347427537]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd410m:g4104m:g4104cm:g017781887:01778_1887-0005__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Champaign, Illinois | 1887 | sanborn01778_001 p5 [1]","metadata":[{"label":"streets","value":"5"},{"label":"intersections","value":"11"},{"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":"2026-09-22T01:08:58Z","modified":"2026-09-22T01:08:58Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd410m:g4104m:g4104cm:g017781887:01778_1887-0005__1/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd410m:g4104m:g4104cm:g017781887:01778_1887-0005/info.json","type":"ImageService2","height":7652,"width":6452},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"-0.0,-0.0 0.0,3986.0 1042.8,3988.0 1046.4,3308.0 3235.6,3310.4 3240.4,4593.6 1936.8,5668.0 3408.8,5604.8 3422.4,7652.0 6170.0,7652.0 6099.8,4599.8 6343.5,4129.1 6452.0,4086.1 5585.3,1476.0 6091.4,1470.3 6093.0,0.0 5118.7,94.9 5087.3,0.0 -0.0,-0.0\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd410m:g4104m:g4104cm:g017781887:01778_1887-0005__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[5584.0,1476.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-88.242664,40.11631]}},{"type":"Feature","properties":{"resourceCoords":[1060.0,1476.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-88.243493,40.114373]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd410m:g4104m:g4104cm:g017781887:01778_1887-0005__3/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Champaign, Illinois | 1887 | sanborn01778_001 p5 [3]","metadata":[{"label":"streets","value":"2"},{"label":"intersections","value":"1"},{"label":"split_canvas_x","value":"0.0"},{"label":"split_canvas_y","value":"5669.2"},{"label":"split_canvas_w","value":"1930.0"},{"label":"split_canvas_h","value":"1982.8"}],"created":"2026-09-22T01:08:58Z","modified":"2026-09-22T01:08:58Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd410m:g4104m:g4104cm:g017781887:01778_1887-0005__3/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd410m:g4104m:g4104cm:g017781887:01778_1887-0005/info.json","type":"ImageService2","height":7652,"width":6452},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1930.0,7652.0 1904.0,5669.2 0.0,5742.4 -0.0,7652.0 1930.0,7652.0\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd410m:g4104m:g4104cm:g017781887:01778_1887-0005__3/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,5669.2],"type":"corner"},"geometry":{"type":"Point","coordinates":[-88.23250907420112,40.11987688554157]}},{"type":"Feature","properties":{"resourceCoords":[1930.0,5669.2],"type":"corner"},"geometry":{"type":"Point","coordinates":[-88.23134832043871,40.11988294504017]}},{"type":"Feature","properties":{"resourceCoords":[1930.0,7652.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-88.23134018079493,40.118971688871774]}},{"type":"Feature","properties":{"resourceCoords":[0.0,7652.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-88.23250093455734,40.11896562937318]}},{"type":"Feature","properties":{"resourceCoords":[651.3,6972.4],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-88.232112,40.11928]}}]}}]}