{"id":"https://data.mapsnap.org/runs/v2.0/iiif/chronoscope/sanborn08499_002.main.iiif.json","type":"AnnotationPage","@context":["http://www.w3.org/ns/anno.jsonld"],"label":"Denton, Texas | 1891 | 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"},{"label":"pages","value":"7"},{"label":"placed","value":"2"},{"label":"unplaced","value":"5"},{"label":"fit sources","value":"georef 1, georef-snap 1"},{"label":"key map","value":"none"},{"label":"split sheets","value":"1 sheet(s) cut into 6 panels"},{"label":"unplaced pages","value":"p1__2 (tier 4, 33.21452,-97.13238 +/-164m); p1__3 (tier 4, 33.21452,-97.13238 +/-164m); p1__4 (tier 1, 33.00699,-97.23023 +/-167m); p1__5 (tier 4, 33.21452,-97.13238 +/-164m); p1__6 (tier 4, 33.21452,-97.13238 +/-164m)"}],"items":[{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034dm:g4034dm_g084991891:08499_1891-0001__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Denton, Texas | 1891 | sanborn08499_002 p1 [1]","metadata":[{"label":"streets","value":"6"},{"label":"intersections","value":"12"},{"label":"confidence","value":"0.09"},{"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":"5277.2"},{"label":"split_canvas_h","value":"7652.0"}],"created":"2026-10-18T13:55:46Z","modified":"2026-10-18T13:55:46Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034dm:g4034dm_g084991891:08499_1891-0001__1/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034dm:g4034dm_g084991891:08499_1891-0001","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"33.6,1277.4 37.5,1712.1 117.0,1845.5 574.9,1807.9 599.9,1478.0 655.1,1410.5 1146.8,1400.5 1183.5,1126.4 1288.2,957.9 1177.5,456.1 993.1,457.7 992.9,456.0 990.4,456.0 990.2,456.0 990.1,439.0 981.3,385.1 885.8,330.1 455.1,283.7 454.1,279.5 453.1,279.5 453.0,279.5 453.0,275.2 402.9,71.8 143.9,49.3 143.2,49.2 143.1,101.5 103.5,101.1 63.4,100.7 56.0,403.4 55.2,674.9 59.5,937.8 60.1,1277.5 33.6,1277.4\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034dm:g4034dm_g084991891:08499_1891-0001__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[59.0,1166.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-97.1324795,33.2135003]}},{"type":"Feature","properties":{"resourceCoords":[59.0,325.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-97.1324579,33.2155309]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034dm:g4034dm_g084991891:08499_1891-0002/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Denton, Texas | 1891 | sanborn08499_002 p2","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.83"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-18T13:55:46Z","modified":"2026-10-18T13:55:46Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034dm:g4034dm_g084991891:08499_1891-0002/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034dm:g4034dm_g084991891:08499_1891-0002","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1612.0,401.6 1560.8,401.1 1509.0,400.6 1500.3,789.5 1500.2,1138.2 1506.5,1475.8 1508.3,1912.0 1474.1,1912.0 1473.5,1853.3 71.8,1869.2 58.5,53.9 1474.6,37.9 1547.4,87.3 1571.8,331.0 1612.0,334.4 1612.0,401.6\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034dm:g4034dm_g084991891:08499_1891-0002/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-97.13579654487718,33.21685787633538]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-97.13219730886989,33.21682354064997]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-97.13224564183145,33.21322709215941]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-97.13584487783874,33.21326142784482]}}]}}]}