<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<script src="//d3js.org/d3.v4.min.js"></script>
<style>
.chart {
background: lightgray;
border: 1px solid black;
/* width: 425px;
height: 625px; */
}
</style>
<title>D3V4</title>
</head>
<body>
<div class="chart">
</div>
<script>
var margin = {
top: 10,
right: 20,
bottom: 65,
left: 40
};
var width = 400 - margin.left - margin.right;
var height = 600 - margin.top - margin.bottom;
var svg = d3.select('.chart')
.append('svg')
.attr('width', width + margin.left + margin.right)
.attr('height', height + margin.top + margin.bottom)
.call(responsivefy)
.append('g')
.attr('transform', 'translate(' + margin.left + ', ' + margin.top + ')');
/**
* Load data
*/
d3.json('./data.json', function (err, data) {
const parseTime = d3.timeParse('%Y/%m/%d');
data.forEach(company => {
company.values.forEach(d => {
d.date = parseTime(d.date)
d.close = +d.close
})
})
/**
* Y axis
*/
const yScale = d3.scaleLinear()
.domain([
d3.min(data, co => d3.min(co.values, d => d.close)),
d3.max(data, co => d3.max(co.values, d => d.close))
])
.range([height, 0])
.nice();
const yAxis = d3.axisLeft(yScale);
svg.call(yAxis);
/**
* x axis
*/
const xScale = d3.scaleTime()
.domain([
d3.min(data, co => d3.min(co.values, d => d.date)),
d3.max(data, co => d3.max(co.values, d => d.date))
])
.range([0, width])
.nice();
const xAxis = d3.axisBottom(xScale).tickSize(10).tickPadding(5);
svg.append('g')
.attr('transform', `translate(0, ${height})`)
.call(xAxis)
.selectAll('text')
.attr('text-anchor', 'end')
.attr('transform', 'rotate(-45)');
console.log("yScale(yScale.domain()[0])", yScale(yScale.domain()[0])); //yScale(680)-->525
/**
* Creat area chart
*/
const area = d3.area()
.x(d => xScale(d.date))
.y0(yScale(yScale.domain()[0]))
.y1(d => yScale(d.close))
.curve(d3.curveCatmullRom.alpha(0.5));
svg.selectAll('.area')
.data(data)
.enter()
.append('path')
.attr('class', 'area')
.attr('d', d => area(d.values))
.style('stroke', (d, i) => ['#FF9900', '#3369E8'][i])
.style('sroke-width', 2)
.style('fill', (d, i) => ['#FF9900', '#3369E8'][i])
.style('fill-opacity', 0.5);
});
function responsivefy(svg) {
// get container + svg aspect ratio
var container = d3.select(svg.node().parentNode),
width = parseInt(svg.style("width")),
height = parseInt(svg.style("height")),
aspect = width / height;
// add viewBox and preserveAspectRatio properties,
// and call resize so that svg resizes on inital page load
svg.attr("viewBox", "0 0 " + width + " " + height)
.attr("preserveAspectRatio", "xMinYMid")
.call(resize);
// to register multiple listeners for same event type,
// you need to add namespace, i.e., 'click.foo'
// necessary if you call invoke this function for multiple svgs
// api docs: https://github.com/mbostock/d3/wiki/Selections#on
d3.select(window).on("resize." + container.attr("id"), resize);
// get width of container and resize svg to fit it
function resize() {
var targetWidth = parseInt(container.style("width"));
svg.attr("width", targetWidth);
svg.attr("height", Math.round(targetWidth / aspect));
}
}
</script>
</body>
</html>
// Code goes here
/* Styles go here */
[
{
"ticker": "AMZN",
"values": [
{
"date": "2016/09/30",
"close": 837.31
},
{
"date": "2016/09/29",
"close": 829.05
},
{
"date": "2016/09/28",
"close": 828.72
},
{
"date": "2016/09/27",
"close": 816.11
},
{
"date": "2016/09/26",
"close": 799.16
},
{
"date": "2016/09/23",
"close": 805.75
},
{
"date": "2016/09/22",
"close": 804.7
},
{
"date": "2016/09/21",
"close": 789.74
},
{
"date": "2016/09/20",
"close": 780.22
},
{
"date": "2016/09/19",
"close": 775.1
},
{
"date": "2016/09/16",
"close": 778.52
},
{
"date": "2016/09/15",
"close": 769.69
},
{
"date": "2016/09/14",
"close": 761.09
},
{
"date": "2016/09/13",
"close": 761.01
},
{
"date": "2016/09/12",
"close": 771.49
},
{
"date": "2016/09/09",
"close": 760.14
},
{
"date": "2016/09/08",
"close": 784.06
},
{
"date": "2016/09/07",
"close": 784.48
},
{
"date": "2016/09/06",
"close": 788.87
},
{
"date": "2016/09/02",
"close": 772.44
},
{
"date": "2016/09/01",
"close": 770.62
},
{
"date": "2016/08/31",
"close": 769.16
},
{
"date": "2016/08/30",
"close": 767.58
},
{
"date": "2016/08/29",
"close": 771.29
},
{
"date": "2016/08/26",
"close": 769
},
{
"date": "2016/08/25",
"close": 759.22
},
{
"date": "2016/08/24",
"close": 757.25
},
{
"date": "2016/08/23",
"close": 762.45
},
{
"date": "2016/08/22",
"close": 759.48
},
{
"date": "2016/08/19",
"close": 757.31
},
{
"date": "2016/08/18",
"close": 764.46
},
{
"date": "2016/08/17",
"close": 764.63
},
{
"date": "2016/08/16",
"close": 764.04
},
{
"date": "2016/08/15",
"close": 768.49
},
{
"date": "2016/08/12",
"close": 772.56
},
{
"date": "2016/08/11",
"close": 771.24
},
{
"date": "2016/08/10",
"close": 768.56
},
{
"date": "2016/08/09",
"close": 768.31
},
{
"date": "2016/08/08",
"close": 766.56
},
{
"date": "2016/08/05",
"close": 765.98
},
{
"date": "2016/08/04",
"close": 760.77
},
{
"date": "2016/08/03",
"close": 754.64
},
{
"date": "2016/08/02",
"close": 760.58
},
{
"date": "2016/08/01",
"close": 767.74
},
{
"date": "2016/07/29",
"close": 758.81
},
{
"date": "2016/07/28",
"close": 752.61
},
{
"date": "2016/07/27",
"close": 736.67
},
{
"date": "2016/07/26",
"close": 735.59
},
{
"date": "2016/07/25",
"close": 739.61
},
{
"date": "2016/07/22",
"close": 744.86
},
{
"date": "2016/07/21",
"close": 744.43
},
{
"date": "2016/07/20",
"close": 745.72
},
{
"date": "2016/07/19",
"close": 739.95
},
{
"date": "2016/07/18",
"close": 736.07
},
{
"date": "2016/07/15",
"close": 735.44
},
{
"date": "2016/07/14",
"close": 741.2
},
{
"date": "2016/07/13",
"close": 742.63
},
{
"date": "2016/07/12",
"close": 748.21
},
{
"date": "2016/07/11",
"close": 753.78
},
{
"date": "2016/07/08",
"close": 745.81
},
{
"date": "2016/07/07",
"close": 736.57
},
{
"date": "2016/07/06",
"close": 737.61
},
{
"date": "2016/07/05",
"close": 728.1
},
{
"date": "2016/07/01",
"close": 725.68
}
]
},
{
"ticker": "GOOG",
"values": [
{
"date": "2016/09/30",
"close": 777.29
},
{
"date": "2016/09/29",
"close": 775.01
},
{
"date": "2016/09/28",
"close": 781.56
},
{
"date": "2016/09/27",
"close": 783.01
},
{
"date": "2016/09/26",
"close": 774.21
},
{
"date": "2016/09/23",
"close": 786.9
},
{
"date": "2016/09/22",
"close": 787.21
},
{
"date": "2016/09/21",
"close": 776.22
},
{
"date": "2016/09/20",
"close": 771.41
},
{
"date": "2016/09/19",
"close": 765.7
},
{
"date": "2016/09/16",
"close": 768.88
},
{
"date": "2016/09/15",
"close": 771.76
},
{
"date": "2016/09/14",
"close": 762.49
},
{
"date": "2016/09/13",
"close": 759.69
},
{
"date": "2016/09/12",
"close": 769.02
},
{
"date": "2016/09/09",
"close": 759.66
},
{
"date": "2016/09/08",
"close": 775.32
},
{
"date": "2016/09/07",
"close": 780.35
},
{
"date": "2016/09/06",
"close": 780.08
},
{
"date": "2016/09/02",
"close": 771.46
},
{
"date": "2016/09/01",
"close": 768.78
},
{
"date": "2016/08/31",
"close": 767.05
},
{
"date": "2016/08/30",
"close": 769.09
},
{
"date": "2016/08/29",
"close": 772.15
},
{
"date": "2016/08/26",
"close": 769.54
},
{
"date": "2016/08/25",
"close": 769.41
},
{
"date": "2016/08/24",
"close": 769.64
},
{
"date": "2016/08/23",
"close": 772.08
},
{
"date": "2016/08/22",
"close": 772.15
},
{
"date": "2016/08/19",
"close": 775.42
},
{
"date": "2016/08/18",
"close": 777.5
},
{
"date": "2016/08/17",
"close": 779.91
},
{
"date": "2016/08/16",
"close": 777.14
},
{
"date": "2016/08/15",
"close": 782.44
},
{
"date": "2016/08/12",
"close": 783.22
},
{
"date": "2016/08/11",
"close": 784.85
},
{
"date": "2016/08/10",
"close": 784.68
},
{
"date": "2016/08/09",
"close": 784.26
},
{
"date": "2016/08/08",
"close": 781.76
},
{
"date": "2016/08/05",
"close": 782.22
},
{
"date": "2016/08/04",
"close": 771.61
},
{
"date": "2016/08/03",
"close": 773.18
},
{
"date": "2016/08/02",
"close": 771.07
},
{
"date": "2016/08/01",
"close": 772.88
},
{
"date": "2016/07/29",
"close": 768.79
},
{
"date": "2016/07/28",
"close": 745.91
},
{
"date": "2016/07/27",
"close": 741.77
},
{
"date": "2016/07/26",
"close": 738.42
},
{
"date": "2016/07/25",
"close": 739.77
},
{
"date": "2016/07/22",
"close": 742.74
},
{
"date": "2016/07/21",
"close": 738.63
},
{
"date": "2016/07/20",
"close": 741.19
},
{
"date": "2016/07/19",
"close": 736.96
},
{
"date": "2016/07/18",
"close": 733.78
},
{
"date": "2016/07/15",
"close": 719.85
},
{
"date": "2016/07/14",
"close": 720.95
},
{
"date": "2016/07/13",
"close": 716.98
},
{
"date": "2016/07/12",
"close": 720.64
},
{
"date": "2016/07/11",
"close": 715.09
},
{
"date": "2016/07/08",
"close": 705.63
},
{
"date": "2016/07/07",
"close": 695.36
},
{
"date": "2016/07/06",
"close": 697.77
},
{
"date": "2016/07/05",
"close": 694.49
},
{
"date": "2016/07/01",
"close": 699.21
}
]
}
]