scale block v4

forked from erikseppanen's block: scale block

<!DOCTYPE html>
<head>
  <meta charset="utf-8">
  <script src="https://d3js.org/d3.v4.min.js"></script>
  <style>
    body { margin:0;position:fixed;top:0;right:0;bottom:0;left:0; }
  </style>
</head>

//Width and height
			var w = 500;
			var h = 300;
			var padding = 20;
			
			var dataset = [
							[5, 20], [480, 90], [250, 50], [100, 33], [330, 95],
							[410, 12], [475, 44], [25, 67], [85, 21], [220, 88],
							[600, 150]
						  ];

//Create scale functions
			var xScale = d3.scaleLinear()
								 .domain([0, d3.max(dataset, function(d) { return d[0]; })])
								 .range([padding, w - padding * 2]);

var yScale = d3.scaleLinear()
								 .domain([0, d3.max(dataset, function(d) { return d[1]; })])
								 .range([h - padding, padding]);

var rScale = d3.scaleLinear()
								 .domain([0, d3.max(dataset, function(d) { return d[1]; })])
								 .range([2, 5]);
	
			//Create SVG element
			var svg = d3.select("body")
						.append("svg")
						.attr("width", w)
						.attr("height", h);

svg.selectAll("circle")
			   .data(dataset)
			   .enter()
			   .append("circle")
			   .attr("cx", function(d) {
			   		return xScale(d[0]);
			   })
			   .attr("cy", function(d) {
			   		return yScale(d[1]);
			   })
			   .attr("r", function(d) {
			   		return rScale(d[1]);
			   });

svg.selectAll("text")
			   .data(dataset)
			   .enter()
			   .append("text")
			   .text(function(d) {
			   		return d[0] + "," + d[1];
			   })
			   .attr("x", function(d) {
			   		return xScale(d[0]);
			   })
			   .attr("y", function(d) {
			   		return yScale(d[1]);
			   })
			   .attr("font-family", "sans-serif")
			   .attr("font-size", "11px")
			   .attr("fill", "red");
    
  </script>
</body>

https://d3js.org/d3.v4.min.js