{"id":"https://data.mapsnap.org/runs/v1.3/iiif/chronoscope/sanborn00674_002.main.iiif.json","type":"AnnotationPage","@context":["http://www.w3.org/ns/anno.jsonld"],"label":"Martinez, California | 1888 | mapsnap generated fit (2026-09-21)","creator":{"type":"Software","name":"mapsnap","homepage":"https://mapsnap.org"},"rights":"https://opendatacommons.org/licenses/odbl/1-0/","metadata":[{"label":"generated","value":"2026-09-21"},{"label":"run","value":"corpus-v1"},{"label":"pages","value":"3"},{"label":"placed","value":"3"},{"label":"unplaced","value":"0"},{"label":"fit sources","value":"georef 2, georef-snap 1"},{"label":"key map","value":"none"}],"items":[{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364mm:g4364mm_g006741888:00674_1888-0001/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Martinez, California | 1888 | sanborn00674_002 p1","metadata":[{"label":"streets","value":"8"},{"label":"intersections","value":"13"}],"created":"2026-09-21T21:33:12Z","modified":"2026-09-21T21:33:12Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364mm:g4364mm_g006741888:00674_1888-0001/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364mm:g4364mm_g006741888:00674_1888-0001","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"0.0,0.0 1613.0,0.0 1610.7,1913.0 -0.0,1913.0 0.0,0.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364mm:g4364mm_g006741888:00674_1888-0001/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1234.0,1882.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.1386981,38.0169526]}},{"type":"Feature","properties":{"resourceCoords":[119.0,1145.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.1418635,38.0167963]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364mm:g4364mm_g006741888:00674_1888-0002/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Martinez, California | 1888 | sanborn00674_002 p2","metadata":[{"label":"streets","value":"10"},{"label":"intersections","value":"24"}],"created":"2026-09-21T21:33:12Z","modified":"2026-09-21T21:33:12Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364mm:g4364mm_g006741888:00674_1888-0002/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364mm:g4364mm_g006741888:00674_1888-0002","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"-0.0,69.6 1216.1,66.7 1219.0,772.3 1584.5,774.6 1588.2,972.6 1613.0,957.0 1613.0,1913.0 -0.0,1913.0 -0.0,69.6\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364mm:g4364mm_g006741888:00674_1888-0002/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[841.0,773.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.1376447,38.0158478]}},{"type":"Feature","properties":{"resourceCoords":[476.0,1882.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.136754,38.0137714]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364mm:g4364mm_g006741888:00674_1888-0003/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Martinez, California | 1888 | sanborn00674_002 p3","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-21T21:33:12Z","modified":"2026-09-21T21:33:12Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364mm:g4364mm_g006741888:00674_1888-0003/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364mm:g4364mm_g006741888:00674_1888-0003","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1457.2,1823.9 439.1,1913.0 -0.0,1913.0 -0.0,0.0 1613.0,-0.0 1613.0,1433.2 1430.3,1452.1 1457.2,1823.9\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364mm:g4364mm_g006741888:00674_1888-0003/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-122.13514466388028,38.02035120757314]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-122.13313977468486,38.017830188739595]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-122.13690836088894,38.015943721720596]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-122.13891325008436,38.018464740554144]}}]}}]}