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  "meta": {
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    "name": "Instrument and radar display",
    "version": "1.0.0",
    "description": "PRD 130 challenge 7; generic visual primitives only."
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    "seed": 4206
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      "width": 960,
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      "background": "#101d25"
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            "innerRadius": 68,
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          "label": {
            "type": "text",
            "text": "FIELD / 04",
            "position": {
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              "y": 45
            },
            "size": 18,
            "style": {
              "fill": "#a7d3c4"
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