120 lines
2.6 KiB
Markdown
120 lines
2.6 KiB
Markdown
---
|
|
id: 587d7fad367417b2b2512bdf
|
|
title: Add Axes to a Visualization
|
|
required:
|
|
- src: 'https://cdnjs.cloudflare.com/ajax/libs/d3/4.3.0/d3.min.js'
|
|
challengeType: 6
|
|
videoUrl: ''
|
|
localeTitle: ''
|
|
---
|
|
|
|
## Description
|
|
undefined
|
|
|
|
## Instructions
|
|
undefined
|
|
|
|
## Tests
|
|
<section id='tests'>
|
|
|
|
```yml
|
|
tests:
|
|
- text: ''
|
|
testString: 'assert(code.match(/\.axisLeft\(yScale\)/g), "Your code should use the <code>axisLeft()</code> method with <code>yScale</code> passed as the argument.");'
|
|
- text: ''
|
|
testString: 'assert($("g").eq(1).attr("transform").match(/translate\(60\s*?,\s*?0\)/g), "The y-axis <code>g</code> element should have a <code>transform</code> attribute to translate the axis by (60, 0).");'
|
|
- text: ''
|
|
testString: 'assert(code.match(/\.call\(yAxis\)/g), "Your code should call the <code>yAxis</code>.");'
|
|
|
|
```
|
|
|
|
</section>
|
|
|
|
## Challenge Seed
|
|
<section id='challengeSeed'>
|
|
|
|
<div id='html-seed'>
|
|
|
|
```html
|
|
<body>
|
|
<script>
|
|
const dataset = [
|
|
[ 34, 78 ],
|
|
[ 109, 280 ],
|
|
[ 310, 120 ],
|
|
[ 79, 411 ],
|
|
[ 420, 220 ],
|
|
[ 233, 145 ],
|
|
[ 333, 96 ],
|
|
[ 222, 333 ],
|
|
[ 78, 320 ],
|
|
[ 21, 123 ]
|
|
];
|
|
|
|
const w = 500;
|
|
const h = 500;
|
|
const padding = 60;
|
|
|
|
const xScale = d3.scaleLinear()
|
|
.domain([0, d3.max(dataset, (d) => d[0])])
|
|
.range([padding, w - padding]);
|
|
|
|
const yScale = d3.scaleLinear()
|
|
.domain([0, d3.max(dataset, (d) => d[1])])
|
|
.range([h - padding, padding]);
|
|
|
|
const svg = d3.select("body")
|
|
.append("svg")
|
|
.attr("width", w)
|
|
.attr("height", h);
|
|
|
|
svg.selectAll("circle")
|
|
.data(dataset)
|
|
.enter()
|
|
.append("circle")
|
|
.attr("cx", (d) => xScale(d[0]))
|
|
.attr("cy",(d) => yScale(d[1]))
|
|
.attr("r", (d) => 5);
|
|
|
|
svg.selectAll("text")
|
|
.data(dataset)
|
|
.enter()
|
|
.append("text")
|
|
.text((d) => (d[0] + "," + d[1]))
|
|
.attr("x", (d) => xScale(d[0] + 10))
|
|
.attr("y", (d) => yScale(d[1]))
|
|
|
|
const xAxis = d3.axisBottom(xScale);
|
|
// Add your code below this line
|
|
const yAxis = undefined;
|
|
// Add your code above this line
|
|
|
|
svg.append("g")
|
|
.attr("transform", "translate(0," + (h - padding) + ")")
|
|
.call(xAxis);
|
|
|
|
// Add your code below this line
|
|
|
|
|
|
|
|
// Add your code above this line
|
|
|
|
</script>
|
|
</body>
|
|
|
|
```
|
|
|
|
</div>
|
|
|
|
|
|
|
|
</section>
|
|
|
|
## Solution
|
|
<section id='solution'>
|
|
|
|
```js
|
|
// solution required
|
|
```
|
|
</section>
|