{"id":"https://data.mapsnap.org/runs/v2.0/iiif/chronoscope/sanborn03376_014.keymap.iiif.json","type":"AnnotationPage","@context":["http://www.w3.org/ns/anno.jsonld"],"label":"New Orleans, Louisiana | 1909 | key map | mapsnap generated fit (2026-10-18)","creator":{"type":"Software","name":"mapsnap","homepage":"https://mapsnap.org"},"rights":"https://opendatacommons.org/licenses/odbl/1-0/","metadata":[{"label":"generated","value":"2026-10-18"},{"label":"run","value":"corpus-v2"}],"items":[{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd401m:g4014m:g4014nm:g03376190906:03376_06_1909-0000__2/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_014 p0 [2]","metadata":[{"label":"streets","value":"115"},{"label":"intersections","value":"693"},{"label":"split_canvas_x","value":"0.0"},{"label":"split_canvas_y","value":"0.0"},{"label":"split_canvas_w","value":"6003.0"},{"label":"split_canvas_h","value":"8572.7"}],"created":"2026-10-18T00:37:25Z","modified":"2026-10-18T00:37:25Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd401m:g4014m:g4014nm:g03376190906:03376_06_1909-0000__2/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd401m:g4014m:g4014nm:g03376190906:03376_06_1909-0000","type":"ImageService3","width":1393,"height":2038},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1393,0.0 0.0,0.0 0.0,1562.3 479.6,1559.0 657.3,1557.7 661.0,1707.5 670.5,2038 1393,2038 1393,0.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd401m:g4014m:g4014nm:g03376190906:03376_06_1909-0000__2/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[463.1,973.1],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-90.1250495,29.9487946]}},{"type":"Feature","properties":{"resourceCoords":[430.5,1081.5],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-90.1280791,29.9472793]}}]}}]}