fiddlerwoaroof/README.md

## README.md

      
    Raw
  

              README.md
            
          
    This example shows how to use the d3.hexbin plugin for hexagonal binning. 2,000 random points with a normal distribution are binned into hexagons; color encodes the number of points that fall into each bin. You can also use area encoding. Inspired by earlier work by Zachary Forest Johnson.

  
## index.html
<!DOCTYPE html>
<meta charset="utf-8">
<style>

.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;
}

</style>
<body>
<script src="http://d3js.org/d3.v3.min.js"></script>
<script src="http://d3js.org/d3.hexbin.v0.min.js?5c6e4f0"></script>
<script>

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

var randomX = d3.random.normal(width / 2, 80),
    randomY = d3.random.normal(height / 2, 80),
    points = d3.range(2000).map(function() { return [randomX(), randomY()]; });

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

var hexbin = d3.hexbin()
    .size([width, height])
    .radius(20);

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

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

var xAxis = d3.svg.axis()
    .scale(x)
    .orient("bottom")
    .tickSize(6, -height);

var yAxis = d3.svg.axis()
    .scale(y)
    .orient("left")
    .tickSize(6, -width);

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("clipPath")
    .attr("id", "clip")
  .append("rect")
    .attr("class", "mesh")
    .attr("width", width)
    .attr("height", height);

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); });

svg.append("g")
    .attr("class", "y axis")
    .call(yAxis);

svg.append("g")
    .attr("class", "x axis")
    .attr("transform", "translate(0," + height + ")")
    .call(xAxis);

</script>

## thumbnail.png

      
    Raw
  

              thumbnail.png
	<!DOCTYPE html>
	<meta charset="utf-8">
	<style>

	.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;
	}

	</style>
	<body>
	<script src="http://d3js.org/d3.v3.min.js"></script>
	<script src="http://d3js.org/d3.hexbin.v0.min.js?5c6e4f0"></script>
	<script>

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

	var randomX = d3.random.normal(width / 2, 80),
	randomY = d3.random.normal(height / 2, 80),
	points = d3.range(2000).map(function() { return [randomX(), randomY()]; });

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

	var hexbin = d3.hexbin()
	.size([width, height])
	.radius(20);

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

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

	var xAxis = d3.svg.axis()
	.scale(x)
	.orient("bottom")
	.tickSize(6, -height);

	var yAxis = d3.svg.axis()
	.scale(y)
	.orient("left")
	.tickSize(6, -width);

	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("clipPath")
	.attr("id", "clip")
	.append("rect")
	.attr("class", "mesh")
	.attr("width", width)
	.attr("height", height);

	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); });

	svg.append("g")
	.attr("class", "y axis")
	.call(yAxis);

	svg.append("g")
	.attr("class", "x axis")
	.attr("transform", "translate(0," + height + ")")
	.call(xAxis);

	</script>