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Contour Test using Jason Davies' implementation with D3
<html>
<head>
<script type="text/javascript" src="http://mbostock.github.com/d3/d3.js"></script>
<script type="text/javascript" src="https://raw.github.com/jasondavies/conrec.js/master/conrec.js"></script>
<script type="text/javascript" src="multiplot.js"></script>
</head>
<body>
<script type="text/javascript">
var c = new Conrec(),
xs = d3.range(0, data[0].length),
ys = d3.range(0, data.length),
zs = d3.range(-5, 2, 1),
w = 500, h = 500,
x=d3.scale.linear().range([0,w]).domain([0,data[0].length]),
y=d3.scale.linear().range([0,h]).domain([0,data.length]),
colours = d3.scale.linear().domain([-5,2]).range(["red", "green"]);
c.contour(data, 0, xs.length-1, 0, ys.length-1, xs, ys, zs.length, zs);
svg=d3.select("body").append("svg:svg")
.attr("width",w)
.attr("height",h)
svg.selectAll("g")
.data(d3.nest().key(function(d) { return d.level}).entries(c.contourList()))
.enter()
.append("svg:g")
.attr("class",function(d) { return "level_"+d.key})
.style("fill",function(d) { console.log(d);return colours(d.key);})
.style("stroke","black")
.style("opacity",0.5)
.selectAll("path")
.data(function(d) { return d.values})
.enter()
.append("svg:path")
.attr("d",d3.svg.line()
.x(function(d) { return x(d.x)})
.y(function(d) { return y(d.y)})
)
</script>
</body>
</html>
/**
* Originally from http://www2.warwick.ac.uk/fac/sci/moac/currentstudents/peter_cock/r/matrix_contour/
*/
var data = [
[
0.4,
0.4,
0.7,
-1.0,
-0.1,
0.6,
-0.4,
0.6,
-0.4,
1.3,
0.7,
-0.4,
1.1,
1.3,
0.6,
0.1,
-0.0,
-0.8,
-0.8,
-1.0
],
[
0.4,
-0.4,
0.4,
-1.2,
-0.7,
0.4,
-0.9,
0.5,
-0.9,
1.2,
0.5,
-1.0,
1.3,
1.1,
0.5,
-0.0,
-0.1,
-1.2,
-1.0,
-0.9
],
[
0.7,
0.4,
0.1,
-1.2,
-0.2,
0.5,
-0.6,
0.6,
-0.2,
0.9,
0.6,
-0.5,
1.1,
0.8,
0.6,
0.1,
-0.4,
-0.9,
-0.7,
-0.8
],
[
-1.0,
-1.2,
-1.2,
-4.4,
-1.9,
-0.8,
-2.2,
-1.0,
-2.2,
0.0,
-0.3,
-2.0,
-0.2,
0.2,
-0.8,
-1.6,
-1.9,
-2.4,
-2.3,
-2.6
],
[
-0.1,
-0.7,
-0.2,
-1.9,
-2.0,
-0.5,
-1.9,
-0.3,
-1.7,
0.4,
-0.2,
-1.9,
0.3,
0.4,
-0.3,
-0.8,
-0.9,
-2.1,
-1.8,
-2.0
],
[
0.6,
0.4,
0.5,
-0.8,
-0.5,
-0.1,
-0.8,
0.6,
-0.5,
1.0,
0.5,
-0.7,
0.8,
1.0,
0.5,
0.1,
-0.3,
-0.9,
-0.7,
-1.1
],
[
-0.4,
-0.9,
-0.6,
-2.2,
-1.9,
-0.8,
-2.7,
-0.6,
-2.0,
0.3,
-0.3,
-2.3,
-0.0,
-0.0,
-0.6,
-1.1,
-1.3,
-2.4,
-2.0,
-2.2
],
[
0.6,
0.5,
0.6,
-1.0,
-0.3,
0.6,
-0.6,
0.1,
-0.8,
1.3,
0.8,
-0.8,
1.1,
1.3,
0.4,
0.1,
0.1,
-0.8,
-1.0,
-1.0
],
[
-0.4,
-0.9,
-0.2,
-2.2,
-1.7,
-0.5,
-2.0,
-0.8,
-2.9,
0.3,
-0.4,
-2.2,
-0.0,
-0.0,
-0.7,
-0.7,
-1.3,
-2.4,
-2.1,
-2.6
],
[
1.3,
1.2,
0.9,
0.0,
0.4,
1.0,
0.3,
1.3,
0.3,
1.1,
1.0,
0.2,
0.7,
1.9,
0.9,
-0.2,
0.3,
0.1,
-0.4,
-0.2
],
[
0.7,
0.5,
0.6,
-0.3,
-0.2,
0.5,
-0.3,
0.8,
-0.4,
1.0,
0.3,
-0.3,
1.0,
1.1,
0.6,
0.1,
0.3,
-0.7,
-0.5,
-0.6
],
[
-0.4,
-1.0,
-0.5,
-2.0,
-1.9,
-0.7,
-2.3,
-0.8,
-2.2,
0.2,
-0.3,
-2.7,
0.0,
-0.0,
-0.6,
-1.0,
-1.1,
-2.3,
-2.1,
-2.4
],
[
1.1,
1.3,
1.1,
-0.2,
0.3,
0.8,
-0.0,
1.1,
-0.0,
0.7,
1.0,
0.0,
1.6,
0.8,
1.0,
0.8,
0.7,
-0.2,
-0.2,
-0.2
],
[
1.3,
1.1,
0.8,
0.2,
0.4,
1.0,
-0.0,
1.3,
-0.0,
1.9,
1.1,
-0.0,
0.8,
1.2,
1.1,
0.0,
0.2,
-0.1,
-0.4,
0.0
],
[
0.6,
0.5,
0.6,
-0.8,
-0.3,
0.5,
-0.6,
0.4,
-0.7,
0.9,
0.6,
-0.6,
1.0,
1.1,
-0.2,
0.1,
-0.0,
-0.9,
-0.6,
-1.2
],
[
0.1,
-0.0,
0.1,
-1.6,
-0.8,
0.1,
-1.1,
0.1,
-0.7,
-0.2,
0.1,
-1.0,
0.8,
0.0,
0.1,
-0.6,
-0.4,
-1.2,
-1.3,
-1.4
],
[
-0.0,
-0.1,
-0.4,
-1.9,
-0.9,
-0.3,
-1.3,
0.1,
-1.3,
0.3,
0.3,
-1.1,
0.7,
0.2,
-0.0,
-0.4,
-1.3,
-1.4,
-1.6,
-1.9
],
[
-0.8,
-1.2,
-0.9,
-2.4,
-2.1,
-0.9,
-2.4,
-0.8,
-2.4,
0.1,
-0.7,
-2.3,
-0.2,
-0.1,
-0.9,
-1.2,
-1.4,
-3.0,
-2.3,
-2.5
],
[
-0.8,
-1.0,
-0.7,
-2.3,
-1.8,
-0.7,
-2.0,
-1.0,
-2.1,
-0.4,
-0.5,
-2.1,
-0.2,
-0.4,
-0.6,
-1.3,
-1.6,
-2.3,
-2.3,
-2.4
],
[
-1.0,
-0.9,
-0.8,
-2.6,
-2.0,
-1.1,
-2.2,
-1.0,
-2.6,
-0.2,
-0.6,
-2.4,
-0.2,
0.0,
-1.2,
-1.4,
-1.9,
-2.5,
-2.4,
-3.3
]
]
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