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@mbostock
Last active Nov 15, 2017
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Natural Log Scale
license: gpl-3.0
<!DOCTYPE html>
<meta charset="utf-8">
<style>
.line {
fill: none;
stroke: steelblue;
stroke-width: 1.5px;
}
.axis--x text {
font: 10px sans-serif;
}
.axis--y text {
font: oblique 15px Georgia, serif;
}
.axis path,
.axis line {
fill: none;
stroke: #000;
shape-rendering: crispEdges;
}
</style>
<body>
<script src="//d3js.org/d3.v3.min.js"></script>
<script>
var superscript = "⁰¹²³⁴⁵⁶⁷⁸⁹",
formatPower = function(d) { return (d + "").split("").map(function(c) { return superscript[c]; }).join(""); };
var margin = {top: 40.5, right: 40.5, bottom: 50.5, left: 60.5},
width = 960 - margin.left - margin.right,
height = 500 - margin.top - margin.bottom;
var x = d3.scale.linear()
.domain([0, 100])
.range([0, width]);
var y = d3.scale.log()
.base(Math.E)
.domain([Math.exp(0), Math.exp(9)])
.range([height, 0]);
var xAxis = d3.svg.axis()
.scale(x)
.orient("bottom");
var yAxis = d3.svg.axis()
.scale(y)
.orient("left")
.tickFormat(function(d) { return "e" + formatPower(Math.round(Math.log(d))); });
var line = d3.svg.line()
.x(function(d) { return x(d[0]); })
.y(function(d) { return y(d[1]); });
var svg = d3.select("body").append("svg")
.attr("width", width + margin.left + margin.right)
.attr("height", height + margin.top + margin.bottom)
.append("g")
.attr("transform", "translate(" + margin.left + "," + margin.top + ")");
svg.append("g")
.attr("class", "axis axis--y")
.attr("transform", "translate(-10,0)")
.call(yAxis);
svg.append("g")
.attr("class", "axis axis--x")
.attr("transform", "translate(0," + (height + 10) + ")")
.call(xAxis);
svg.append("path")
.datum(d3.range(100).map(function(x) { return [x, x * x + x + 1]; }))
.attr("class", "line")
.attr("d", line);
</script>
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