{
  "$schema": "https://vega.github.io/schema/vega/v5.json",
  "background": "white",
  "padding": 5,
  "width": 200,
  "height": 200,
  "style": "cell",
  "data": [
    {
      "name": "source_0",
      "values": [
        {"wavelength": 250, "power": 1},
        {"wavelength": 300, "power": 2},
        {"wavelength": 420, "power": 4},
        {"wavelength": 450, "power": 1.8},
        {"wavelength": 500, "power": 1.1}
      ]
    },
    {
      "name": "data_0",
      "source": "source_0",
      "transform": [
        {
          "type": "formula",
          "expr": "toNumber(datum[\"wavelength\"])",
          "as": "wavelength"
        }
      ]
    }
  ],
  "marks": [
    {
      "name": "marks",
      "type": "line",
      "style": ["line"],
      "sort": {"field": "datum[\"wavelength\"]"},
      "from": {"data": "data_0"},
      "encode": {
        "update": {
          "stroke": {"value": "#4c78a8"},
          "description": {
            "signal": "\"wavelength: \" + (format(datum[\"wavelength\"], \"\")) + \"; power: \" + (format(datum[\"power\"], \"\"))"
          },
          "x": {"scale": "x", "field": "wavelength"},
          "y": {"scale": "y", "field": "power"},
          "defined": {
            "signal": "isValid(datum[\"wavelength\"]) && isFinite(+datum[\"wavelength\"]) && isValid(datum[\"power\"]) && isFinite(+datum[\"power\"])"
          }
        }
      }
    }
  ],
  "scales": [
    {
      "name": "x",
      "type": "linear",
      "domain": [300, 450],
      "range": [0, {"signal": "width"}],
      "zero": false
    },
    {
      "name": "y",
      "type": "linear",
      "domain": {"data": "data_0", "field": "power"},
      "range": [{"signal": "height"}, 0],
      "nice": true,
      "zero": true
    }
  ],
  "axes": [
    {
      "scale": "x",
      "orient": "bottom",
      "gridScale": "y",
      "grid": true,
      "tickCount": {"signal": "ceil(width/40)"},
      "domain": false,
      "labels": false,
      "aria": false,
      "maxExtent": 0,
      "minExtent": 0,
      "ticks": false,
      "zindex": 0
    },
    {
      "scale": "y",
      "orient": "left",
      "gridScale": "x",
      "grid": true,
      "tickCount": {"signal": "ceil(height/40)"},
      "domain": false,
      "labels": false,
      "aria": false,
      "maxExtent": 0,
      "minExtent": 0,
      "ticks": false,
      "zindex": 0
    },
    {
      "scale": "x",
      "orient": "bottom",
      "grid": false,
      "title": "wavelength",
      "labelFlush": true,
      "labelOverlap": true,
      "tickCount": {"signal": "ceil(width/40)"},
      "zindex": 0
    },
    {
      "scale": "y",
      "orient": "left",
      "grid": false,
      "title": "power",
      "labelOverlap": true,
      "tickCount": {"signal": "ceil(height/40)"},
      "zindex": 0
    }
  ]
}