Ch. 3, Fig. 25 - D3.js in Action

This is the code for Chapter 3, Figure 25 from D3.js in Action showing how to load external SVG data, such as this football icon, and use it as an icon in your dataviz as native SVG that can have its fill and stroke and other styles changed to suit the data.

<html>
<head>
  <title>D3 in Action Chapter 3 - Example 10</title>
  <meta charset="utf-8" />
<script src="https://cdnjs.cloudflare.com/ajax/libs/d3/3.5.5/d3.min.js"></script>
</head>
<style>
  svg {
    height: 500px;
    width: 500px;
    border: 1px solid gray;
  }
  
  text {
font-size: 10px;
}

g > text.active {
font-size: 30px;
}

circle {
fill: pink;
stroke: black;
stroke-width: 1px;
}

circle.active {
fill: red;
}

circle.inactive {
fill: gray;
}

.highlight {
  font-size: 24px;
}

#modal {
    position:fixed;
    left:20px;
    top:20px;
    z-index:1;
    background: white;
    border: 1px black solid;
    box-shadow: 10px 10px 5px #888888;
  }
  
  tr {
    border: 1px gray solid;
  }

td {
    font-size: 10px;
  }
  td.data {
    font-weight: 900;
  }

</style>
<body>

d3.csv("worldcup.csv", function(data) {
		overallTeamViz(data);
	})

function overallTeamViz(incomingData) {
		d3.select("svg").append("g").attr("id", "teamsG").attr("transform", "translate(50,300)").selectAll("g").data(incomingData).enter()
				.append("g").attr("class", "overallG").attr("transform", function(d, i) {
					return "translate(" + (i * 50) + ", 0)"
				});

var teamG = d3.selectAll("g.overallG");

teamG.append("circle").attr("r", 20);

teamG.append("text").style("text-anchor", "middle").attr("y", 30).text(function(d) {
			return d.team
		});

d3.html("icon.svg", loadSVG);

function loadSVG(svgData) {
			d3.selectAll("g.overallG").each(function() {
				var gParent = this;
				d3.select(svgData).selectAll("path").each(function() {
					gParent.appendChild(this.cloneNode(true))
				})
			})

recolorFootballs();
		}

function recolorFootballs() {
			d3.selectAll("g.overallG").each(function(d) {
				d3.select(this).selectAll("path").datum(d)
			})

var tenColorScale = d3.scale.category10([ "UEFA", "CONMEBOL", "CAF", "AFC" ]);

d3.selectAll("path").style("fill", function(p) {
				return tenColorScale(p.region)
			}).style("stroke", "black").style("stroke-width", "2px");

}

}
</script>
  </footer>

</html>

https://cdnjs.cloudflare.com/ajax/libs/d3/3.5.5/d3.min.js