351 lines
8.6 KiB
Markdown
351 lines
8.6 KiB
Markdown
---
|
|
id: 5d8a4cfbe6b6180ed9a1ca36
|
|
title: Part 89
|
|
challengeType: 0
|
|
---
|
|
|
|
## Description
|
|
<section id='description'>
|
|
|
|
Set the `domain` of the scale to `data[8].followers`. This will be three items, one for each platform.
|
|
</section>
|
|
|
|
## Instructions
|
|
<section id='instructions'>
|
|
</section>
|
|
|
|
## Tests
|
|
<section id='tests'>
|
|
|
|
```yml
|
|
tests:
|
|
- text: test-text
|
|
testString: assert(/const pieColors = d3\.scaleOrdinal\(\)\s*\.\s*domain\s*\(\s*data\s*\[\s*8\s*\]\s*\.\s*followers\s*\)/g.test(code));
|
|
|
|
```
|
|
|
|
</section>
|
|
|
|
## Challenge Seed
|
|
<section id='challengeSeed'>
|
|
<div id='html-seed'>
|
|
|
|
```html
|
|
<script>
|
|
const data = [
|
|
{ year: 2012, followers: { twitter: 2594, tumblr: 401, instagram: 83 }},
|
|
{ year: 2013, followers: { twitter: 3049, tumblr: 440, instagram: 192 }},
|
|
{ year: 2014, followers: { twitter: 3511, tumblr: 415, instagram: 511 }},
|
|
{ year: 2015, followers: { twitter: 3619, tumblr: 492, instagram: 1014 }},
|
|
{ year: 2016, followers: { twitter: 4046, tumblr: 543, instagram: 2066 }},
|
|
{ year: 2017, followers: { twitter: 3991, tumblr: 701, instagram: 3032 }},
|
|
{ year: 2018, followers: { twitter: 3512, tumblr: 1522, instagram: 4512 }},
|
|
{ year: 2019, followers: { twitter: 3274, tumblr: 1989, instagram: 4715 }},
|
|
{ year: 2020, followers: { twitter: 2845, tumblr: 2040, instagram: 4801 }}
|
|
];
|
|
</script>
|
|
<script>
|
|
const svgMargin = 70,
|
|
svgWidth = 700,
|
|
svgHeight = 500,
|
|
twitterColor = '#7cd9d1',
|
|
tumblrColor = '#f6dd71',
|
|
instagramColor = '#fd9b98';
|
|
|
|
const lineGraph = d3.select('.dashboard')
|
|
.append('svg')
|
|
.attr('width', svgWidth)
|
|
.attr('height', svgHeight);
|
|
|
|
const yScale = d3.scaleLinear()
|
|
.domain([0, 5000])
|
|
.range([svgHeight - svgMargin, svgMargin]);
|
|
|
|
const xScale = d3.scaleLinear()
|
|
.domain([2012, 2020])
|
|
.range([svgMargin, svgWidth - svgMargin]);
|
|
|
|
const yAxis = d3.axisLeft(yScale)
|
|
.ticks(6, '~s');
|
|
|
|
const xAxis = d3.axisBottom(xScale)
|
|
.tickFormat(d3.format(''))
|
|
.tickPadding(10);
|
|
|
|
lineGraph.append('g')
|
|
.call(yAxis)
|
|
.attr('transform', `translate(${svgMargin}, 0)`)
|
|
.style('font', '10px verdana');
|
|
|
|
lineGraph.append('g')
|
|
.call(xAxis)
|
|
.attr('transform', `translate(0, ${svgHeight - svgMargin})`)
|
|
.selectAll('text')
|
|
.style('transform', 'translate(-12px, 0) rotate(-50deg)')
|
|
.style('text-anchor', 'end')
|
|
.style('cursor', 'pointer')
|
|
.style('font', '10px verdana')
|
|
|
|
const twitterLine = d3.line()
|
|
.x(d => xScale(d.year))
|
|
.y(d => yScale(d.followers.twitter));
|
|
|
|
lineGraph.append('path')
|
|
.attr('d', twitterLine(data))
|
|
.attr('stroke', twitterColor)
|
|
.attr('stroke-width', 3)
|
|
.attr('fill', 'transparent');
|
|
|
|
const tumblrLine = d3.line()
|
|
.x(d => xScale(d.year))
|
|
.y(d => yScale(d.followers.tumblr));
|
|
|
|
lineGraph.append('path')
|
|
.attr('d', tumblrLine(data))
|
|
.attr('stroke', tumblrColor)
|
|
.attr('stroke-width', 3)
|
|
.attr('fill', 'transparent');
|
|
|
|
const instagramLine = d3.line()
|
|
.x(d => xScale(d.year))
|
|
.y(d => yScale(d.followers.instagram));
|
|
|
|
lineGraph.append('path')
|
|
.attr('d', instagramLine(data))
|
|
.attr('stroke', instagramColor)
|
|
.attr('stroke-width', 3)
|
|
.attr('fill', 'transparent');
|
|
|
|
lineGraph.selectAll('twitter-circles')
|
|
.data(data)
|
|
.enter()
|
|
.append('circle')
|
|
.attr('cx', d => xScale(d.year))
|
|
.attr('cy', d => yScale(d.followers.twitter))
|
|
.attr('r', 6)
|
|
.attr('fill', 'white')
|
|
.attr('stroke', twitterColor)
|
|
.style('cursor', 'pointer')
|
|
|
|
lineGraph.selectAll('tumblr-circles')
|
|
.data(data)
|
|
.enter()
|
|
.append('circle')
|
|
.attr('cx', d => xScale(d.year))
|
|
.attr('cy', d => yScale(d.followers.tumblr))
|
|
.attr('r', 6)
|
|
.attr('fill', 'white')
|
|
.attr('stroke', tumblrColor)
|
|
.style('cursor', 'pointer')
|
|
|
|
lineGraph.selectAll('instagram-circles')
|
|
.data(data)
|
|
.enter()
|
|
.append('circle')
|
|
.attr('cx', d => xScale(d.year))
|
|
.attr('cy', d => yScale(d.followers.instagram))
|
|
.attr('r', 6)
|
|
.attr('fill', 'white')
|
|
.attr('stroke', instagramColor)
|
|
.style('cursor', 'pointer')
|
|
|
|
const rightDashboard = d3.select('.dashboard')
|
|
.append('div');
|
|
|
|
const pieGraph = rightDashboard.append('svg')
|
|
.attr('width', 200)
|
|
.attr('height', 200)
|
|
|
|
const pieArc = d3.arc()
|
|
.outerRadius(100)
|
|
.innerRadius(0);
|
|
|
|
const pieColors = d3.scaleOrdinal()
|
|
|
|
|
|
|
|
</script>
|
|
```
|
|
|
|
</div>
|
|
|
|
|
|
### Before Test
|
|
<div id='html-setup'>
|
|
|
|
```html
|
|
<!DOCTYPE html>
|
|
<html>
|
|
<head>
|
|
<title>D3 Dashboard</title>
|
|
<style>
|
|
body {
|
|
background-color: #ccc;
|
|
padding: 100px 10px;
|
|
}
|
|
|
|
.dashboard {
|
|
width: 980px;
|
|
height: 500px;
|
|
background-color: white;
|
|
box-shadow: 5px 5px 5px 5px #888;
|
|
margin: auto;
|
|
display: flex;
|
|
align-items: center;
|
|
}
|
|
</style>
|
|
</head>
|
|
|
|
<body>
|
|
<div class="dashboard"></div>
|
|
</body>
|
|
</html>
|
|
```
|
|
|
|
</div>
|
|
</section>
|
|
|
|
|
|
## Solution
|
|
<section id='solution'>
|
|
|
|
```html
|
|
<script>
|
|
const data = [
|
|
{ year: 2012, followers: { twitter: 2594, tumblr: 401, instagram: 83 }},
|
|
{ year: 2013, followers: { twitter: 3049, tumblr: 440, instagram: 192 }},
|
|
{ year: 2014, followers: { twitter: 3511, tumblr: 415, instagram: 511 }},
|
|
{ year: 2015, followers: { twitter: 3619, tumblr: 492, instagram: 1014 }},
|
|
{ year: 2016, followers: { twitter: 4046, tumblr: 543, instagram: 2066 }},
|
|
{ year: 2017, followers: { twitter: 3991, tumblr: 701, instagram: 3032 }},
|
|
{ year: 2018, followers: { twitter: 3512, tumblr: 1522, instagram: 4512 }},
|
|
{ year: 2019, followers: { twitter: 3274, tumblr: 1989, instagram: 4715 }},
|
|
{ year: 2020, followers: { twitter: 2845, tumblr: 2040, instagram: 4801 }}
|
|
];
|
|
</script>
|
|
<script>
|
|
const svgMargin = 70,
|
|
svgWidth = 700,
|
|
svgHeight = 500,
|
|
twitterColor = '#7cd9d1',
|
|
tumblrColor = '#f6dd71',
|
|
instagramColor = '#fd9b98';
|
|
|
|
const lineGraph = d3.select('.dashboard')
|
|
.append('svg')
|
|
.attr('width', svgWidth)
|
|
.attr('height', svgHeight);
|
|
|
|
const yScale = d3.scaleLinear()
|
|
.domain([0, 5000])
|
|
.range([svgHeight - svgMargin, svgMargin]);
|
|
|
|
const xScale = d3.scaleLinear()
|
|
.domain([2012, 2020])
|
|
.range([svgMargin, svgWidth - svgMargin]);
|
|
|
|
const yAxis = d3.axisLeft(yScale)
|
|
.ticks(6, '~s');
|
|
|
|
const xAxis = d3.axisBottom(xScale)
|
|
.tickFormat(d3.format(''))
|
|
.tickPadding(10);
|
|
|
|
lineGraph.append('g')
|
|
.call(yAxis)
|
|
.attr('transform', `translate(${svgMargin}, 0)`)
|
|
.style('font', '10px verdana');
|
|
|
|
lineGraph.append('g')
|
|
.call(xAxis)
|
|
.attr('transform', `translate(0, ${svgHeight - svgMargin})`)
|
|
.selectAll('text')
|
|
.style('transform', 'translate(-12px, 0) rotate(-50deg)')
|
|
.style('text-anchor', 'end')
|
|
.style('cursor', 'pointer')
|
|
.style('font', '10px verdana')
|
|
|
|
const twitterLine = d3.line()
|
|
.x(d => xScale(d.year))
|
|
.y(d => yScale(d.followers.twitter));
|
|
|
|
lineGraph.append('path')
|
|
.attr('d', twitterLine(data))
|
|
.attr('stroke', twitterColor)
|
|
.attr('stroke-width', 3)
|
|
.attr('fill', 'transparent');
|
|
|
|
const tumblrLine = d3.line()
|
|
.x(d => xScale(d.year))
|
|
.y(d => yScale(d.followers.tumblr));
|
|
|
|
lineGraph.append('path')
|
|
.attr('d', tumblrLine(data))
|
|
.attr('stroke', tumblrColor)
|
|
.attr('stroke-width', 3)
|
|
.attr('fill', 'transparent');
|
|
|
|
const instagramLine = d3.line()
|
|
.x(d => xScale(d.year))
|
|
.y(d => yScale(d.followers.instagram));
|
|
|
|
lineGraph.append('path')
|
|
.attr('d', instagramLine(data))
|
|
.attr('stroke', instagramColor)
|
|
.attr('stroke-width', 3)
|
|
.attr('fill', 'transparent');
|
|
|
|
lineGraph.selectAll('twitter-circles')
|
|
.data(data)
|
|
.enter()
|
|
.append('circle')
|
|
.attr('cx', d => xScale(d.year))
|
|
.attr('cy', d => yScale(d.followers.twitter))
|
|
.attr('r', 6)
|
|
.attr('fill', 'white')
|
|
.attr('stroke', twitterColor)
|
|
.style('cursor', 'pointer')
|
|
|
|
lineGraph.selectAll('tumblr-circles')
|
|
.data(data)
|
|
.enter()
|
|
.append('circle')
|
|
.attr('cx', d => xScale(d.year))
|
|
.attr('cy', d => yScale(d.followers.tumblr))
|
|
.attr('r', 6)
|
|
.attr('fill', 'white')
|
|
.attr('stroke', tumblrColor)
|
|
.style('cursor', 'pointer')
|
|
|
|
lineGraph.selectAll('instagram-circles')
|
|
.data(data)
|
|
.enter()
|
|
.append('circle')
|
|
.attr('cx', d => xScale(d.year))
|
|
.attr('cy', d => yScale(d.followers.instagram))
|
|
.attr('r', 6)
|
|
.attr('fill', 'white')
|
|
.attr('stroke', instagramColor)
|
|
.style('cursor', 'pointer')
|
|
|
|
const rightDashboard = d3.select('.dashboard')
|
|
.append('div');
|
|
|
|
const pieGraph = rightDashboard.append('svg')
|
|
.attr('width', 200)
|
|
.attr('height', 200)
|
|
|
|
const pieArc = d3.arc()
|
|
.outerRadius(100)
|
|
.innerRadius(0);
|
|
|
|
const pieColors = d3.scaleOrdinal()
|
|
.domain(data[8].followers)
|
|
|
|
|
|
|
|
</script>
|
|
```
|
|
|
|
</section>
|