grid.padding = function(value) { if (!arguments.length) return padding; padding = value; return grid; } return grid; }; })(); var width = 960, height = 960, TAU = Math.PI * 2; var grid = d3.layout.grid() .size([width, height]); var color = d3.scale.linear() .interpolate(d3.interpolateHcl) .domain([0, 100]) .range(["#F66A96", "#3E6E9C"]); var data = d3.range(50).map(function(d) { return { id: d, size: 1 + Math.floor(Math.random() * 50), r: Math.random() * 50, color: Math.floor(Math.random() * 100), f: (Math.random() > 0.5 ? -1 : 1) * (Math.random() * 10000 + 1000) };