D3 Examples - continuous scales

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<!DOCTYPE html>
<head>
  <meta charset="utf-8">
  <script src="https://d3js.org/d3.v4.min.js"></script>
  <style>
body {
    font-family: "helvetica";
}
​
button {
    margin: 0 7px 0 0;
    background-color: #f5f5f5;
    border: 1px solid #dedede;
    border-top: 1px solid #eee;
    border-left: 1px solid #eee;
​
    font-size: 12px;
    line-height: 130%;
    text-decoration: none;
    font-weight: bold;
    color: #565656;
    cursor: pointer;
}
​
.box {
    width: 200px;
    height: 200px;
    margin: 40px;
    float: left;
    text-align: center;
    border: #969696 solid thin;
    padding: 5px;
}
​
.red {
    background-color: #e9967a;
    color: #f0f8ff;
}
​
.blue {
    background-color: #add8e6;
    color: #f0f8ff;
}
​
.cell {
    min-width: 40px;
    min-height: 20px;
    margin: 5px;
    float: left;
    text-align: center;
    border: #969696 solid thin;
    padding: 5px;
}
​
.fixed-cell {
    min-width: 40px;
    min-height: 20px;
    margin: 5px;
    position: fixed;
    text-align: center;
    border: #969696 solid thin;
    padding: 5px;
}
​
.h-bar {
    min-height: 15px;
    min-width: 10px;
    background-color: steelblue;
    margin-bottom: 2px;
    font-size: 11px;
    color: #f0f8ff;
    text-align: right;
    padding-right: 2px;
}
​
.v-bar {
    min-height: 1px;
    min-width: 30px;
    background-color: #4682b4;
    margin-right: 2px;
    font-size: 10px;
    color: #f0f8ff;
    text-align: center;
    width: 10px;
    display: inline-block;
}
​
.baseline {
    height: 1px;
    background-color: black;
}
​
.clear {
    clear: both;
}
​
.selected {
    background-color: #f08080;
}
​
.control-group {
    padding-top: 10px;
    margin: 10px;
}
​
.table {
    width: 70%;
}
​
.table td, th {
    padding: 5px;
}
​
.table-header {
    background-color: #00AFEF;
    font-weight: bold;
}
​
.table-row-odd {
    background-color: #f0f8ff;
}
​
.table-row-odd {
    background-color: #d3d3d3;
}
​
.code {
    display: inline-block;
    font-style: italic;
    background-color: #d3d3d3;
    border: #969696 solid thin;
    padding: 10px;
    margin-top: 10px;
    margin-bottom: 10px;
}
​
.countdown{
    width: 150px;
    height: 150px;
    font-size: 5em;
    font-weight: bold;
}
​
.axis .grid-line{
    stroke: black;
    shape-rendering: crispEdges;
    stroke-opacity: .2;
}
​
.line{
    fill: none;    
    stroke: steelblue;
    stroke-width: 2;
}
​
.dot {
  fill: #fff;
  stroke: steelblue;
}
​
.area {
    stroke: none;
    fill: steelblue;
    fill-opacity: .2;
}
​
.pie text{
    fill: white;
    font-weight: bold;
}
​
._0{
    stroke: none;
    fill: darkred;
    fill-opacity: .7;
}
​
._1 {
    stroke: none;
    fill: red;
    fill-opacity: .7;
}
​
._2 {
    stroke: none;
    fill: blue;
    fill-opacity: .7;
}
​
._3 {
    stroke: none;
    fill: green;
    fill-opacity: .7;
}
​
._4{
    stroke: none;
    fill: yellow;
    fill-opacity: .7;
}
​
._5{
    stroke: none;
    fill: blueviolet;
    fill-opacity: .7;
}
​
.bubble{
    fill-opacity: .3;
}
​
.bar{
    stroke: none;
    fill: steelblue;
}
​
  </style>
</head>
​
<body>
<div id="linear" class="clear"><span>n</span></div>
<div id="linear-capped" class="clear">
    <span>1 &lt;= a*n + b &lt;= 20</span>
</div>
<div id="pow" class="clear"><span>n^2</span></div>
<div id="pow-capped" class="clear">
    <span>1 &lt;= a*n^2 + b &lt;= 10</span>
</div>
<div id="log" class="clear"><span>log(n)</span></div>
<div id="log-capped" class="clear">
    <span>1 &lt;= a*log(n) + b &lt;= 10</span>
</div>
​
<script type="text/javascript">
    var max = 11, data = [];
    for (var i = 1; i < max; ++i) data.push(i);
​
    var linear = d3.scaleLinear() 
        .domain([1, 10]) 
        .range([1, 10]); 
    var linearCapped = d3.scaleLinear()
        .domain([1, 10])        
        .range([1, 20]); 
        
    var pow = d3.scalePow().exponent(2); 
    var powCapped = d3.scalePow() 
        .exponent(2)
        .domain([1, 10])
        .rangeRound([1, 10]); 
        
    var log = d3.scaleLog(); 
    var logCapped = d3.scaleLog() 
        .domain([1, 10])
        .rangeRound([1, 10]);
​
​
    function render(data, scale, selector) {
        d3.select(selector).selectAll("div")
                    .data(data)
                .enter()
                .append("div")
                    .classed("cell", true)
                    .style("display", "inline-block")
                    .text(function (d) {
                        return d3.format(".2")(scale(d), 2);
                    });
    }
​
    render(data, linear, "#linear");
    render(data, linearCapped, "#linear-capped");
    render(data, pow, "#pow");
    render(data, powCapped, "#pow-capped");
    render(data, log, "#log");
    render(data, logCapped, "#log-capped");
</script>
</body>
​
    