{"id":"https://data.mapsnap.org/runs/v1.3/iiif/loc/sanborn03376_012.keymap.iiif.json","type":"AnnotationPage","@context":["http://www.w3.org/ns/anno.jsonld"],"label":"New Orleans, Louisiana | 1909 | key map | 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"}],"items":[{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd401m:g4014m:g4014nm:g03376190904:03376_04_1909-0000__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"New Orleans, Louisiana | 1909 | sanborn03376_012 p0 [1]","metadata":[{"label":"streets","value":"62"},{"label":"intersections","value":"276"},{"label":"split_canvas_x","value":"0.0"},{"label":"split_canvas_y","value":"0.0"},{"label":"split_canvas_w","value":"5951.2"},{"label":"split_canvas_h","value":"8572.7"}],"created":"2026-09-21T09:44:17Z","modified":"2026-09-21T09:44:17Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd401m:g4014m:g4014nm:g03376190904:03376_04_1909-0000__1/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd401m:g4014m:g4014nm:g03376190904:03376_04_1909-0000/info.json","type":"ImageService2","height":8152,"width":5520},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"0.0,8084.7 0.0,8572.7 1173.0,8572.7 5951.2,8572.7 5951.2,1047.5 5951.2,0.0 2562.7,0.0 2601.0,2516.7 0.0,2555.6 0.0,8084.7\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd401m:g4014m:g4014nm:g03376190904:03376_04_1909-0000__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[2616.6,4484.6],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-90.0872966,29.9301004]}},{"type":"Feature","properties":{"resourceCoords":[3298.0,6469.7],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-90.0700313,29.9278532]}}]}}]}