Historian of early America, Indigenous history, and material culture
md`### Get the data file`
data = FileAttachment("barclay@2.json").json()
md`### Define height`
height = 600
md`### Define the color scale`
color = {
const scale = d3.scaleOrdinal(d3.schemeCategory10);
return d => scale(d.modularity_class);
}
md`### Handle dragging`
drag = simulation => {
function dragstarted(event) {
if (!event.active) simulation.alphaTarget(0.3).restart();
event.subject.fx = event.subject.x;
event.subject.fy = event.subject.y;
}
function dragged(event) {
event.subject.fx = event.x;
event.subject.fy = event.y;
}
function dragended(event) {
if (!event.active) simulation.alphaTarget(0);
event.subject.fx = null;
event.subject.fy = null;
}
return d3.drag()
.on("start", dragstarted)
.on("drag", dragged)
.on("end", dragended);
}
md`### Include D3`
d3 = require("d3@6")
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.
