A Point Error occured during resource mask triangulation. This is typically because the resource mask contains duplicate or collinear points, or is self-intersecting.

images-af353a0563443afb.json

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  "items": [
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      "type": "Annotation",
      "@context": [
        "http://www.w3.org/ns/anno.jsonld",
        "http://geojson.org/geojson-ld/geojson-context.jsonld",
        "http://iiif.io/api/presentation/3/context.json"
      ],
      "motivation": "georeferencing",
      "target": {
        "type": "Image",
        "source": "https://gallica.bnf.fr/iiif/ark:/12148/btv1b530650197/f1/full/max/0/default.jpg",
        "service": [
          {
            "@id": "https://gallica.bnf.fr/iiif/ark:/12148/btv1b530650197/f1",
            "type": "ImageService3"
          }
        ],
        "selector": {
          "type": "SvgSelector",
          "value": "<svg width=\"9648\" height=\"7240\"><polygon points=\"9064,915 9041,6719 9052,6707 700,6684 665,834\" /></svg>"
        }
      },
      "body": {
        "type": "FeatureCollection",
        "purpose": "gcp-georeferencing",
        "transformation": {
          "type": "polynomial",
          "order": 0
        },
        "features": [
          {
            "type": "Feature",
            "properties": {
              "pixelCoords": [
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              ]
            },
            "geometry": {
              "type": "Point",
              "coordinates": [
                4.5260988,
                48.3929958
              ]
            }
          },
          {
            "type": "Feature",
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              "pixelCoords": [
                4374,
                3988
              ]
            },
            "geometry": {
              "type": "Point",
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                4.074176,
                48.297545
              ]
            }
          },
          {
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            "geometry": {
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                5747,
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