{"id":"https://data.mapsnap.org/runs/v2.0/iiif/chronoscope/sanborn08746_003.main.iiif.json","type":"AnnotationPage","@context":["http://www.w3.org/ns/anno.jsonld"],"label":"San Saba, Texas | 1894 | 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":"4"},{"label":"placed","value":"1"},{"label":"unplaced","value":"3"},{"label":"fit sources","value":"georef 1"},{"label":"key map","value":"none"},{"label":"split sheets","value":"1 sheet(s) cut into 4 panels"},{"label":"unplaced pages","value":"p1__1 (tier 4, 31.19568,-98.71761 +/-100m); p1__3 (tier 4, 31.19568,-98.71761 +/-100m); p1__4 (tier 4, 31.19568,-98.71761 +/-100m)"}],"items":[{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034sm:g4034sm_g087461894:08746_1894-0001__2/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"San Saba, Texas | 1894 | sanborn08746_003 p1 [2]","metadata":[{"label":"streets","value":"8"},{"label":"intersections","value":"19"},{"label":"confidence","value":"0.76"},{"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":"2026-10-17T19:07:42Z","modified":"2026-10-17T19:07:42Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034sm:g4034sm_g087461894:08746_1894-0001__2/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034sm:g4034sm_g087461894:08746_1894-0001","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1565.2,1851.0 1557.6,64.5 989.1,16.1 826.3,61.5 758.5,244.2 758.5,258.0 753.4,258.0 751.2,263.8 540.2,265.9 486.7,749.9 483.1,753.3 483.1,753.3 483.0,753.3 240.4,758.2 140.2,833.2 96.7,1190.9 167.4,1473.8 293.3,1486.9 341.0,1486.6 341.0,1491.8 342.9,1492.0 418.4,1873.5 686.6,1830.5 1565.2,1851.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034sm:g4034sm_g087461894:08746_1894-0001__2/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[728.0,883.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-98.7174459,31.1958382]}},{"type":"Feature","properties":{"resourceCoords":[1572.0,883.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-98.7174018,31.1942193]}}]}}]}