doevisualizations/doeVisualization/node_modules/d3-shape/src/symbol/circle.js

Data Visualization Library based on RequireJS and D3.js (v4+)

import {pi, tau} from "../math";

export default {
  draw: function(context, size) {
    var r = Math.sqrt(size / pi);
    context.moveTo(r, 0);
    context.arc(0, 0, r, 0, tau);
  }
};