Published
Edited
Apr 15, 2018
1 fork
chartMap = {
var projection = d3.geoMercator()
.scale(18000)
.center([-7.9, 43.3]);
const path = d3.geoPath()
.projection(projection);
const g = svgMap.append('g');
g.selectAll('.concello')
.data(galicia.features)
.enter()
.append("path")
.attr("fill", "#ccc")
.attr("stroke", "#fff")
.attr("d", path);
g.selectAll("circle")
.data(galicia.features)
.enter().append("circle")
.attr("fill", "red")
.attr("fill-opacity", 0.5)
.attr("stroke", "#fff")
.attr("stroke-width", 0.5)
.attr("transform", d => `translate(${path.centroid(d)})`)
.attr("r", d => radiusFn(d.properties.population));
return svgMap.node();
}
legendMap = {
const legend = svgMap.append("g")
.attr("fill", "#777")
.attr("transform", `translate(${900 - 70},${900 - 70})`)
.attr("text-anchor", "middle")
.style("font", "10px sans-serif")
.selectAll("g")
.data([3e5, 3e4, 1e3])
.enter().append("g");
legend.append("circle")
.attr("fill", "none")
.attr("stroke", "#ccc")
.attr("cy", d => -radiusFn(d))
.attr("r", radiusFn);
legend.append("text")
.attr("y", d => -2 * radiusFn(d))
.attr("dy", "1.3em")
.text(d3.format(".1s"));
return legend;
}
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