Hexbin play

by nancynancy

HTML

<script src="http://d3js.org/d3.hexbin.v0.min.js"></script>

CSS

.axis text {
  font: 10px sans-serif;
}

.axis path,
.axis line {
  fill: none;
  stroke: #000;
  shape-rendering: crispEdges;
}

.hexagon {
  fill: none;
  stroke: #000;
  stroke-width: .5px;
}

JavaScript

var margin = {top: 20, right: 20, bottom: 30, left: 40},
    width = 960 - margin.left - margin.right,
    height = 500 - margin.top - margin.bottom;

var randomX = d3.random.normal(width / 2, 80),
    randomY = d3.random.normal(height / 2, 80);

var points = [[11,0],[0,20],[0,10]];


var color = d3.scale.linear()
    .domain([0, 20])
    .range(["white", "steelblue"])
    .interpolate(d3.interpolateLab);

var hexbin = d3.hexbin()
    .size([width, height])
    .radius(5);

var x = d3.scale.identity()
    .domain([0, width]);

var y = d3.scale.linear()
    .domain([0, height])
    .range([height, 0]);

var svg = d3.select("body").append("svg")
    .attr("width", width + margin.left + margin.right)
    .attr("height", height + margin.top + margin.bottom)
  .append("g")
    .attr("transform", "translate(" + margin.left + "," + margin.top + ")");

svg.append("g")
    .attr("clip-path", "url(#clip)")
  .selectAll(".hexagon")
    .data(hexbin(points))
  .enter().append("path")
    .attr("class", "hexagon")
    .attr("d", hexbin.hexagon())
    .attr("transform", function(d) { return "translate(" + d.x + "," + d.y + ")"; })
    .style("fill", function(d) { return color(d.length); });