The avatar for @pstuffa
Paul Buffa
data visualization developer, runner, musician
Published
Edited
Apr 8, 2022
Fork of H3 vs D3 Hexbin
Insert cell
Insert cell
Insert cell
Insert cell
Insert cell
Insert cell
Insert cell
Insert cell
Insert cell
Insert cell
Insert cell
colorScale = d3.interpolateYlOrRd
Insert cell
Insert cell
projection = d3.geoMercator()
.center([-73.96781, 40.69764])
.scale((400000) / (2 * Math.PI))
.translate([width / 2, height / 2])
.precision(0)
Insert cell
path = d3.geoPath(projection)
Insert cell
tile = d3.tile()
.size([width, height])
.scale(projection.scale() * 2 * Math.PI)
.translate(projection([0, 0]))
Insert cell
tiles = Promise.all(tile().map(async d => {
d.data = await d3.json(`https://tile.nextzen.org/tilezen/vector/v1/256/all/${d.z}/${d.x}/${d.y}.json?api_key=qrH6iBWjQRyZAVKyDXpR7Q`); // Sign up for an API key: https://www.nextzen.org
return d;
}))
Insert cell
Insert cell
Insert cell
Insert cell
Insert cell
Insert cell
Insert cell
Insert cell

Purpose-built for displays of data

Observable is your go-to platform for exploring data and creating expressive data visualizations. Use reactive JavaScript notebooks for prototyping and a collaborative canvas for visual data exploration and dashboard creation.
Learn more