Map

us = FileAttachment("us-counties-10m.json").json()
states = topojson.feature(us, us.objects.states)

data = FileAttachment("us_power_plants.csv").csv({type: true })

viewof energy_type = Inputs.checkbox(
  ["coal", "geothermal", "hydroelectric", "natrual gas", "nuclear", "other", "solar", "wind"],
  {
    "label": "Energy Type",
    "value": ["coal", "geothermal", "hydroelectric", "natrual gas", "nuclear", "other", "solar", "wind"],
  }
)

// a function that will return the dataset filtered by whether the PrimSource property is in the list of energy_type values.

filtered = data.filter(function(plant) {
  return energy_type.indexOf(plant.PrimSource) >= 0
})

// create a function that returns a consistent color for an energy source

colors = function(source) {
  return {
    "coal": "darkgray",
    "geothermal": "orange",
    "hydroelectric": "blue",
    "natrual gas": "green",
    "nuclear": "hotpink",
    "other": "lavender",
    "solar": "gold",
    "wind": "palegreen"
  }[source]
}

// now map using the filtered and colors functions:

Plot.plot({
  projection: "albers-usa",
  marks: [
    Plot.geo(states, { fill: "white", stroke: "#e2e2e2" }),
    Plot.dot(filtered, {
      x: "longitude",
      y: "latitude",
      r: "Total_MW",
      fill: p => colors(p.PrimSource),
      opacity: 0.7
    })
  ],
  r: { range: [1, 15] },
  color: { legend: true },
  height: 500,
  width: 800,
  margin: 50
})

Data

This the underlying CSV dataset that is getting filtered.

Inputs.table(filtered)