Excel, RAW, GNIs
-> dimple.js
-> D3.js
-> canvas, WebGL, SVG
data(data), enter(), append(‘rect’)
Sketching: interactive process of designing a visualization
often not a “right” answer
do not know a priori how data will interact with aesthetic
<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8">
<script src="http://d3js.org/d3.v3.min.js"></script>
<script src="http://dimplejs.org/dist/dimple.v2.0.0.min.js"></script>
<script type="text/javascript">
function draw(data) {
/*
D3.js setup code
*/
"use strict";
var margin = 75,
width = 1400 - margin,
height = 600 - margin;
var svg = d3.select("body")
.append("svg")
.attr("width", width + margin)
.attr("height", height + margin)
.append('g')
.attr('class','chart');
/*
Dimple.js Chart construction code
*/
var myChart = new dimple.chart(svg, data);
var x = myChart.addTimeAxis("x", "year");
myChart.addMeasureAxis("y", "attendance");
myChart.addSeries(null, dimple.plot.bar);
myChart.draw();
};
</script>
</head>
<body>
<script type="text/javascript">
/*
Use D3 (not dimple.js) to load the TSV file
and pass the contents of it to the draw function
*/
d3.tsv("world_cup.tsv", draw);
</script>
</body>
</html>
