vl
.markCircle({ size: 1, opacity: 0.5, color: "#cbff3d" })
.data(cityTrees)
.encode(
vl.longitude().fieldQ("lon"),
vl.latitude().fieldQ("lat"),
vl.color().fieldN("commonName"),
vl
.size()
.fieldQ("heightRange")
.scale({ range: [1, 10] })
.legend(null)
)
.project(vl.projection("albersUsa"))
.width(width)
.height(width * (500 / 900))
.config({ background: "black", padding: 0, border: "none" })
.render()