observable display of mcds geojson points (from qgis)

obs.txt

viewof mcds = embed({
  $schema: 'https://vega.github.io/schema/vega/v5.json',
  data:[{
    name: "mcdonalds",
    url: "https://gist.github.com/canDry/cbd6813056a868ae5786601b4e148f6b#file-mcds-geojson",
    format: {
      type: "geojson",
      property: "features"
    }
  }],
  projections: [{
    name: "projection",
    fit: {signal: "data('mcdonalds')"},
    size: {signal: "[800, 600]"},
    //scale: 190000,
    //center: [-123.149648,49.265815],
    type: "mercator"
  }],
  marks: [
    {
      type: "shape",
      from: {data: "mcdonalds"},
      encode: {
        update: {
          opacity: {value: 0.25},
          fill: {value: "blue"}
        }
      },
      transform: [
        {
          type: "geoshape",
          projection: "projection",
          pointRadius: 6
        }
      ]
    }
  ]
})