Part of the video course: D3.js in Motion.
This scatter plot + line chart hybrid shows temperature in degrees celcius in San Francisco for one week. The data was collected from the (now defunct) Data Canvas - Sense Your City API.
license: mit |
Part of the video course: D3.js in Motion.
This scatter plot + line chart hybrid shows temperature in degrees celcius in San Francisco for one week. The data was collected from the (now defunct) Data Canvas - Sense Your City API.
<!DOCTYPE html> | |
<html> | |
<head> | |
<meta charset="utf-8"> | |
<meta name="viewport" content="width=device-width"> | |
<script src="https://d3js.org/d3.v4.min.js"></script> | |
<title>Temperature Visualization</title> | |
<style> | |
body { | |
margin: 0px; | |
} | |
.domain { | |
display: none; | |
} | |
.tick line { | |
stroke: #C0C0BB; | |
} | |
.tick text { | |
fill: #8E8883; | |
font-size: 20pt; | |
font-family: sans-serif; | |
} | |
.axis-label { | |
fill: #635F5D; | |
font-size: 50pt; | |
font-family: sans-serif; | |
} | |
</style> | |
</head> | |
<body> | |
<svg width="960" height="500"></svg> | |
<script> | |
const xValue = d => d.timestamp; | |
const xLabel = 'Time'; | |
const yValue = d => d.temperature; | |
const yLabel = 'Temperature'; | |
const margin = { left: 120, right: 30, top: 20, bottom: 120 }; | |
const svg = d3.select('svg'); | |
const width = svg.attr('width'); | |
const height = svg.attr('height'); | |
const innerWidth = width - margin.left - margin.right; | |
const innerHeight = height - margin.top - margin.bottom; | |
const g = svg.append('g') | |
.attr('transform', `translate(${margin.left},${margin.top})`); | |
const xAxisG = g.append('g') | |
.attr('transform', `translate(0, ${innerHeight})`); | |
const yAxisG = g.append('g'); | |
xAxisG.append('text') | |
.attr('class', 'axis-label') | |
.attr('x', innerWidth / 2) | |
.attr('y', 100) | |
.text(xLabel); | |
yAxisG.append('text') | |
.attr('class', 'axis-label') | |
.attr('x', -innerHeight / 2) | |
.attr('y', -60) | |
.attr('transform', `rotate(-90)`) | |
.style('text-anchor', 'middle') | |
.text(yLabel); | |
const xScale = d3.scaleTime(); | |
const yScale = d3.scaleLinear(); | |
const xAxis = d3.axisBottom() | |
.scale(xScale) | |
.tickPadding(15) | |
.tickSize(-innerHeight); | |
const yAxis = d3.axisLeft() | |
.scale(yScale) | |
.ticks(5) | |
.tickPadding(15) | |
.tickSize(-innerWidth); | |
const line = d3.line() | |
.x(d => xScale(xValue(d))) | |
.y(d => yScale(yValue(d))); | |
const row = d => { | |
d.timestamp = new Date(d.timestamp); | |
d.temperature = +d.temperature; | |
return d; | |
}; | |
d3.csv('week_temperature_sf.csv', row, data => { | |
xScale | |
.domain(d3.extent(data, xValue)) | |
.range([0, innerWidth]) | |
.nice(); | |
yScale | |
.domain(d3.extent(data, yValue)) | |
.range([innerHeight, 0]) | |
.nice(); | |
g.selectAll('circle').data(data) | |
.enter().append('circle') | |
.attr('cx', d => xScale(xValue(d))) | |
.attr('cy', d => yScale(yValue(d))) | |
.attr('fill-opacity', 0.6) | |
.attr('r', 3); | |
g.append('path') | |
.attr('fill', 'none') | |
.attr('stroke', 'black') | |
.attr('d', line(data)); | |
xAxisG.call(xAxis); | |
yAxisG.call(yAxis); | |
}); | |
</script> | |
</body> | |
</html> |
�PNG | |