{
  "@context": [
    "http://www.w3.org/ns/anno.jsonld",
    "https://iiif.io/api/extension/georef/1/context.json"
  ],
  "id": "https://terra-chartarum.pages.dev/annotations/cities-remember-nolli.json",
  "type": "AnnotationPage",
  "label": {
    "en": ["Exploratory registration of Nolli sheet 1"]
  },
  "items": [
    {
      "id": "https://terra-chartarum.pages.dev/annotations/cities-remember-nolli.json#annotation",
      "type": "Annotation",
      "motivation": "georeferencing",
      "target": {
        "type": "SpecificResource",
        "source": {
          "id": "https://terra-chartarum.pages.dev/images/cities-remember/nolli-sheet-01.jpg",
          "type": "Image",
          "format": "image/jpeg",
          "width": 1920,
          "height": 1185
        },
        "selector": {
          "type": "SvgSelector",
          "value": "<svg xmlns=\"http://www.w3.org/2000/svg\" width=\"1920\" height=\"1185\"><polygon points=\"0,0 1920,0 1920,1185 0,1185\"/></svg>"
        }
      },
      "body": {
        "type": "FeatureCollection",
        "transformation": {
          "type": "polynomial",
          "options": {
            "order": 1
          }
        },
        "features": [
          {
            "type": "Feature",
            "properties": {
              "pixel": [246, 665],
              "label": "St Peter's / Vatican"
            },
            "geometry": {
              "type": "Point",
              "coordinates": [12.4534, 41.9022]
            }
          },
          {
            "type": "Feature",
            "properties": {
              "pixel": [1012, 530],
              "label": "Castel Sant'Angelo"
            },
            "geometry": {
              "type": "Point",
              "coordinates": [12.4663, 41.9031]
            }
          },
          {
            "type": "Feature",
            "properties": {
              "pixel": [1438, 798],
              "label": "Piazza Navona"
            },
            "geometry": {
              "type": "Point",
              "coordinates": [12.4731, 41.8992]
            }
          },
          {
            "type": "Feature",
            "properties": {
              "pixel": [1658, 1128],
              "label": "Campo de' Fiori"
            },
            "geometry": {
              "type": "Point",
              "coordinates": [12.4723, 41.8955]
            }
          }
        ]
      },
      "_terraChartarum": {
        "status": "exploratory",
        "controlPointMethod": "Approximate visual correspondence on a cropped reproduction",
        "residualDisclosure": "No evidence-grade residual has been calculated. Crop, engraving deformation and basemap projection make local error variable and visible.",
        "prohibitedInference": "Do not infer parcel, wall or street survival from apparent coincidence.",
        "sourceRecord": "https://commons.wikimedia.org/wiki/File:Giovanni_Battista_Nolli-Nuova_Pianta_di_Roma_(1748)_01-12.JPG"
      }
    }
  ]
}