/
scaled_scatterplot.html
83 lines (66 loc) · 1.86 KB
/
scaled_scatterplot.html
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="utf-8">
<title>D3 Page Template</title>
<script type="text/javascript" src="d3/d3.js"></script>
</head>
<body>
<script type="text/javascript">
var dataset = [
[5, 20], [480, 90], [250, 50], [100, 33], [330, 95],
[410, 12], [475, 44], [25, 67], [85, 21], [220, 88],[600,150]
];
var w = 600;
var h = 300;
// ---------scales--------------
var padding = 20;
var xScale = d3.scale.linear()
.domain([0, d3.max(dataset, function(d) { return d[0]; })])
//.range([0, w]); // basic stuff
.range([padding, w - padding*2]); // with padding
var yScale = d3.scale.linear()
.domain([0, d3.max(dataset, function(d) { return d[1]; })])
//.range([0, h]); // this leads to smaller Y values at top and larger ones at bottom, to change- see next line
//.range([h, 0]); // simply reverse the range
.range([h - padding, padding]); // with padding
var rScale = d3.scale.linear() // maps input Y values to a range of 2-6 for deciding circle sizes
.domain([0,d3.max(dataset,function(d){return d[1]; })])
.range([2,6]);
// -----------------------------
var svg = d3.select("body")
.append("svg")
.attr("width", w)
.attr("height", h);
var circles = svg.selectAll("circle")
.data(dataset)
.enter()
.append("circle");
circles.attr("cx", function(d) {
return xScale(d[0]); // CHANGE due to scale()
})
.attr("cy", function(d) {
return yScale(d[1]); // CHANGE due to scale()
})
.attr("r", function(d) {
return rScale(d[1]); // CHANGE due to scale()
});
var labels = svg.selectAll("text")
.data(dataset)
.enter()
.append("text");
labels.text(function(d){
return d[0] + "," + d[1];
})
.attr("x", function(d) {
return xScale(d[0]); // CHANGE due to scale()
})
.attr("y", function(d) {
return yScale(d[1]); // CHANGE due to scale()
})
.attr("font-family", "sans-serif")
.attr("font-size", "11px")
.attr("fill", "blue");
</script>
</body>
</html>