{"id":"https://data.mapsnap.org/runs/v2.0/iiif/chronoscope/sanborn08449_001.main.iiif.json","type":"AnnotationPage","@context":["http://www.w3.org/ns/anno.jsonld"],"label":"Burnet, 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":"4"},{"label":"placed","value":"3"},{"label":"unplaced","value":"1"},{"label":"fit sources","value":"georef 3"},{"label":"key map","value":"none"},{"label":"split sheets","value":"1 sheet(s) cut into 4 panels"},{"label":"unplaced pages","value":"p1__4 (tier 4, 30.75738,-98.22478 +/-177m)"}],"items":[{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034bm:g4034bm_g084491885:08449_1885-0001__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Burnet, Texas | 1885 | sanborn08449_001 p1 [1]","metadata":[{"label":"streets","value":"2"},{"label":"intersections","value":"1"},{"label":"confidence","value":"0.45"},{"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":"3524.0"},{"label":"split_canvas_h","value":"2658.0"}],"created":"2026-10-17T19:48:44Z","modified":"2026-10-17T19:48:44Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034bm:g4034bm_g084491885:08449_1885-0001__1/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034bm:g4034bm_g084491885:08449_1885-0001","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"55.0,569.4 194.2,593.7 155.8,661.1 726.8,662.8 845.8,575.8 868.4,443.9 860.2,114.4 759.4,22.6 567.2,15.8 565.6,35.2 286.2,25.6 286.6,1.0 168.7,1.0 169.0,39.4 39.4,40.0 22.5,240.9 35.9,356.0 38.9,652.6 55.0,569.4\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034bm:g4034bm_g084491885:08449_1885-0001__1/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-98.22477794967557,30.757607920140998]}},{"type":"Feature","properties":{"resourceCoords":[881.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-98.22296243346551,30.757966363520854]}},{"type":"Feature","properties":{"resourceCoords":[881.0,664.5],"type":"corner"},"geometry":{"type":"Point","coordinates":[-98.22264823891287,30.75678982436473]}},{"type":"Feature","properties":{"resourceCoords":[0.0,664.5],"type":"corner"},"geometry":{"type":"Point","coordinates":[-98.22446375512293,30.756431380984875]}},{"type":"Feature","properties":{"resourceCoords":[282.0,361.3],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-98.224026,30.757083]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034bm:g4034bm_g084491885:08449_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":"Burnet, Texas | 1885 | sanborn08449_001 p1 [2]","metadata":[{"label":"streets","value":"6"},{"label":"intersections","value":"12"},{"label":"confidence","value":"0.71"},{"label":"confidence_provisional","value":"true"},{"label":"confidence_model","value":"corpus-v2"},{"label":"split_canvas_x","value":"1666.0"},{"label":"split_canvas_y","value":"0.0"},{"label":"split_canvas_w","value":"4786.0"},{"label":"split_canvas_h","value":"7652.0"}],"created":"2026-10-17T19:48:44Z","modified":"2026-10-17T19:48:44Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034bm:g4034bm_g084491885:08449_1885-0001__2/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034bm:g4034bm_g084491885:08449_1885-0001","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1365.1,29.3 1068.8,34.4 953.9,48.7 962.3,49.3 903.5,142.7 879.5,662.1 877.0,664.4 877.0,664.5 876.9,664.5 876.8,664.5 476.0,664.5 440.9,754.9 500.7,1787.2 621.5,1859.6 1518.9,1823.2 1592.1,1527.6 1584.6,362.4 1493.5,53.2 1365.1,29.3\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034bm:g4034bm_g084491885:08449_1885-0001__2/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1583.0,849.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-98.2259813,30.7557589]}},{"type":"Feature","properties":{"resourceCoords":[1583.0,1857.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-98.228062,30.755362]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034bm:g4034bm_g084491885:08449_1885-0001__3/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Burnet, Texas | 1885 | sanborn08449_001 p1 [3]","metadata":[{"label":"streets","value":"2"},{"label":"intersections","value":"1"},{"label":"confidence","value":"0.81"},{"label":"confidence_provisional","value":"true"},{"label":"confidence_model","value":"corpus-v2"},{"label":"split_canvas_x","value":"0.0"},{"label":"split_canvas_y","value":"2658.0"},{"label":"split_canvas_w","value":"1666.0"},{"label":"split_canvas_h","value":"2618.0"}],"created":"2026-10-17T19:48:44Z","modified":"2026-10-17T19:48:44Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034bm:g4034bm_g084491885:08449_1885-0001__3/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034bm:g4034bm_g084491885:08449_1885-0001","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"17.9,1256.2 135.9,1255.7 135.7,1281.2 415.5,1289.4 415.5,1269.9 412.7,1269.8 361.9,817.8 407.1,820.2 413.7,723.0 264.6,674.4 10.7,685.9 17.9,1256.2\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034bm:g4034bm_g084491885:08449_1885-0001__3/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,664.5],"type":"corner"},"geometry":{"type":"Point","coordinates":[-98.22474122492619,30.758719966575978]}},{"type":"Feature","properties":{"resourceCoords":[416.5,664.5],"type":"corner"},"geometry":{"type":"Point","coordinates":[-98.22388296618115,30.758885473587696]}},{"type":"Feature","properties":{"resourceCoords":[416.5,1319.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-98.22357989106293,30.757723542717585]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1319.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-98.22443814980797,30.757558035705866]}},{"type":"Feature","properties":{"resourceCoords":[137.2,1091.2],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-98.224261,30.758017]}}]}}]}