My U.S. Map (SVG) / pbogden

pbogden

Workspace

Published

mapping

Edited

Nov 2, 2021

Fork of My U.S. Map (Canvas)

Importers

mutable z = 42

projection = d3.geoAlbers().scale(1280).translate([480, 300])

states = {

const path = d3.geoPath(projection);

const scale = width / 960;

const svg = d3.create("svg")

.attr("viewBox", "0 0 960 600")

.style("width", "100%")

.style("height", "auto");

svg.append("g")

.selectAll("path")

.data(topojson.feature(us, us.objects.states).features)

.join("path")

.classed('interior', true)

.attr("fill", "darkgray")

.attr("d", path)

.on('mouseover', function(d) {

d3.select(this).style("fill", "red");

let state = d.properties.STATE;

mutable z = [state, json[state]];

})

.on('mouseout', function() { d3.select(this).style("fill", null) })

svg.append("path")

.datum(topojson.mesh(us, us.objects.states, (a, b) => a !== b))

.classed('mesh', true)

.attr("fill", "none")

.attr("stroke", "white")

.attr("stroke-linejoin", "round")

.attr("d", path);

svg.append("path")

.datum(topojson.mesh(us, us.objects.nation))

.classed('nation', true)

.attr("fill", "none")

.attr("stroke", "black")

.attr("stroke-linejoin", "round")

.attr("d", path);

return svg.node();

}

us = d3.json('https://pbogden.github.io/mapping/data/topojson/us-10m.json')

topojson = require("topojson-client@3")

d3 = require("d3@5", "d3-geo@1")

json = FileAttachment("states@2.json").json()

One platform to build and deploy the best data apps

Experiment and prototype by building visualizations in live JavaScript notebooks. Collaborate with your team and decide which concepts to build out.

Use Observable Framework to build data apps locally. Use data loaders to build in any language or library, including Python, SQL, and R.

Seamlessly deploy to Observable. Test before you ship, use automatic deploy-on-commit, and ensure your projects are always up-to-date.

Learn more