tooltip = d3
.select('links')
.append('path')
.style('position', 'absolute')
.style('z-index', '10')
.style('visibility', 'hidden')
.style('border-radius', '4px')
.style("background-color", "white")
.style("border", "solid")
.style("border-width", "2px")
.style("border-radius", "5px")
.style("padding", "5px")
.style('font-size', "14px")
.style('font-weight', 250)
.style('font-family', 'FreeMono, monospace')
sankey = {
const sankey = d3.sankey()
.nodeId(d => d.name)
.nodeAlign(d3[`sankey${align[0].toUpperCase()}${align.slice(1)}`])
.nodeWidth(15)
.nodePadding(10)
.extent([[1, 5], [width - 1, height - 5]]);
return ({nodes, links}) => sankey({
nodes: nodes.map(d => Object.assign({}, d)),
links: links.map(d => Object.assign({}, d))
});
}
format = {
const format = d3.format(",.1f");
return data.units ? d => `${format(d)} ${data.units}` : format;
}
color = {
const color = d3.scaleOrdinal(d3.schemeCategory10);
return d => color(d.category === undefined ? d.name : d.category);
}
data = {
const links = await FileAttachment("source_target_all@4.csv").csv({
typed: true
});
const nodes = Array.from(
new Set(links.flatMap(l => [l.source, l.target])),
name => ({ name, category: name.replace(/ .*/, "") })
);
return { nodes, links, units: "QBTu" };
}
width = 954
height = 600
d3 = require("d3@6", "d3-sankey@0.12")
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