{"id":"https://data.mapsnap.org/runs/v2.0/iiif/chronoscope/sanborn08715_001.main.iiif.json","type":"AnnotationPage","@context":["http://www.w3.org/ns/anno.jsonld"],"label":"Richmond, Texas | 1885 | mapsnap generated fit (2026-10-17)","creator":{"type":"Software","name":"mapsnap","homepage":"https://mapsnap.org"},"rights":"https://opendatacommons.org/licenses/odbl/1-0/","metadata":[{"label":"generated","value":"2026-10-17"},{"label":"run","value":"corpus-v2"},{"label":"pages","value":"2"},{"label":"placed","value":"1"},{"label":"unplaced","value":"1"},{"label":"fit sources","value":"georef 1"},{"label":"key map","value":"none"},{"label":"split sheets","value":"1 sheet(s) cut into 2 panels"},{"label":"unplaced pages","value":"p1__1 (tier 4, 29.58321,-95.76117 +/-100m)"}],"items":[{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034rm:g4034rm_g087151885:08715_1885-0001__2/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Richmond, Texas | 1885 | sanborn08715_001 p1 [2]","metadata":[{"label":"streets","value":"8"},{"label":"intersections","value":"17"},{"label":"confidence","value":"0.71"},{"label":"confidence_provisional","value":"true"},{"label":"confidence_model","value":"corpus-v2"},{"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":"2026-10-17T19:43:22Z","modified":"2026-10-17T19:43:22Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034rm:g4034rm_g087151885:08715_1885-0001__2/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034rm:g4034rm_g087151885:08715_1885-0001","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1538.3,1828.8 1580.0,587.8 1540.0,71.8 1169.4,31.5 83.0,72.1 70.1,1301.7 642.4,1333.5 660.6,1339.4 661.5,1437.0 742.4,1875.3 1430.3,1877.5 1538.3,1828.8\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034rm:g4034rm_g087151885:08715_1885-0001__2/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[882.0,484.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-95.7601811,29.5834272]}},{"type":"Feature","properties":{"resourceCoords":[882.0,1729.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-95.7626202,29.582517]}}]}}]}