DataViz, Dashboard, Observable Ambassador and Notion Certified
Public
Edited
Nov 9, 2023
1 fork
population = {
opacity;
carte.selectAll(".circles").remove();
if (option !== "cercles") {
carte.selectAll(".circles").remove();
} // Les cercles sont enlevés
else {
const radius = d3.scaleSqrt().domain([0, 1e4]).range([0, 12]);
const path = d3
.geoPath() // Projection et centrage automatique des données dans la carte
.projection(
d3.geoMercator().fitExtent(
[
[20, 20],
[size.width - 20, size.height - 20]
],
data
)
);
carte
.append("g")
.attr("fill", "brown")
.attr("fill-opacity", opacity)
.attr("stroke", "#fff")
.attr("stroke-width", 0.5)
.classed("circles", true)
.selectAll("circle")
.data(data.features)
.enter()
.append("circle")
.attr("transform", (d) => `translate(${path.centroid(d)})`) // Le centre du contour
.attr("r", (d) => radius(d.properties.population_2014))
.append("title")
.text(
(d) =>
d.properties.commune +
":" +
formatNumber(d.properties.population_2014)
);
}
return md` `;
}
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.