{"id":"https://data.mapsnap.org/runs/v1.3/iiif/loc/sanborn09418_001.main.iiif.json","type":"AnnotationPage","@context":["http://www.w3.org/ns/anno.jsonld"],"label":"Madison, West-Virginia | 1933 | mapsnap generated fit (2026-09-23)","creator":{"type":"Software","name":"mapsnap","homepage":"https://mapsnap.org"},"rights":"https://opendatacommons.org/licenses/odbl/1-0/","metadata":[{"label":"generated","value":"2026-09-23"},{"label":"run","value":"corpus-v1"},{"label":"pages","value":"10"},{"label":"placed","value":"2"},{"label":"unplaced","value":"8"},{"label":"fit sources","value":"georef 1, snap:0 1"},{"label":"key map","value":"none"},{"label":"split sheets","value":"3 sheet(s) cut into 7 panels"},{"label":"unplaced pages","value":"p1__2 (tier 4, 38.06775,-81.82228 +/-447m); p3 (tier 1, 38.06635,-81.81948 +/-244m); p4__1 (tier 4, 38.06775,-81.82228 +/-447m); p4__2 (tier 4, 38.06775,-81.82228 +/-447m); p4__3 (tier 4, 38.06775,-81.82228 +/-447m); p5 (tier 1, 38.06038,-81.81994 +/-237m); p6__1 (tier 4, 38.06775,-81.82228 +/-447m); p6__2 (tier 4, 38.06775,-81.82228 +/-447m)"}],"items":[{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd389m:g3894m:g3894mm:g3894mm_g094181933:09418_1933-0001__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Madison, West-Virginia | 1933 | sanborn09418_001 p1 [1]","metadata":[{"label":"streets","value":"3"},{"label":"intersections","value":"5"},{"label":"split_canvas_x","value":"0.0"},{"label":"split_canvas_y","value":"4253.6"},{"label":"split_canvas_w","value":"6452.0"},{"label":"split_canvas_h","value":"3398.4"}],"created":"2026-09-23T07:17:41Z","modified":"2026-09-23T07:17:41Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd389m:g3894m:g3894mm:g3894mm_g094181933:09418_1933-0001__1/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd389m:g3894m:g3894mm:g3894mm_g094181933:09418_1933-0001/info.json","type":"ImageService2","height":7652,"width":6452},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"-0.0,7652.0 6452.0,7652.0 6452.0,4253.6 0.0,4311.2 -0.0,7652.0\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd389m:g3894m:g3894mm:g3894mm_g094181933:09418_1933-0001__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[4304.0,5557.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-81.8230291,38.0707115]}},{"type":"Feature","properties":{"resourceCoords":[5020.0,5557.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-81.823292,38.0701153]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd389m:g3894m:g3894mm:g3894mm_g094181933:09418_1933-0002/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Madison, West-Virginia | 1933 | sanborn09418_001 p2","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-23T07:17:41Z","modified":"2026-09-23T07:17:41Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd389m:g3894m:g3894mm:g3894mm_g094181933:09418_1933-0002/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd389m:g3894m:g3894mm:g3894mm_g094181933:09418_1933-0002/info.json","type":"ImageService2","height":7652,"width":6452},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"6452.0,7652.0 -0.0,7652.0 0.0,0.0 6452.0,0.0 6452.0,7652.0\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd389m:g3894m:g3894mm:g3894mm_g094181933:09418_1933-0002/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-81.82274109694536,38.06576177246172]}},{"type":"Feature","properties":{"resourceCoords":[6452.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-81.81925602991144,38.065076345501765]}},{"type":"Feature","properties":{"resourceCoords":[6452.0,7652.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-81.82028128710436,38.06179916245915]}},{"type":"Feature","properties":{"resourceCoords":[0.0,7652.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-81.82376635413827,38.06248458941911]}}]}}]}