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<meta charset="utf-8">
<html>
<head>
<!-- Google fonts referene -->
<link href="https://fonts.googleapis.com/css2?family=Montserrat+Alternates:ital,wght@0,100;0,200;0,300;0,400;0,500;0,600;0,700;0,800;0,900;1,100;1,200;1,300;1,400;1,500;1,600;1,700;1,800;1,900&family=Montserrat:ital,wght@0,100;0,200;0,300;0,400;0,500;0,600;0,700;0,800;0,900;1,100;1,200;1,300;1,400;1,500;1,600;1,700;1,800;1,900&family=Roboto:ital,wght@0,100;0,300;1,100;1,300&display=swap" rel="stylesheet">
<!-- Connecting with D3 library-->
<script src="https://d3js.org/d3.v4.min.js"></script>
<!-- Creating the headlines -->
<p id="h1">AREA CHART | LAYERED</p>
<div id="link"> by
<a href="https://slides.com/sandravizmad">SANDRA</a> | <a href="https://data.oecd.org/forest/forest-resources.htm">DATA </a></div>
<style>
/*Defining text stylings*/
#h1 {
font-size:30px;
margin:30px 0px 0px 20px;
color:#f5fa91;
font-family: 'Montserrat Alternates', sans-serif;
font-weight:300;
}
#link {
font-family:'Montserrat Alternates', sans-serif;
font-weight:200;
font-size:10px;
margin:5px 0px 0px 22px;
color:white;
}
a:link, a:visited, a:active {
text-decoration: none;
color:white;
border-bottom:1.5px dotted white;
}
body {
background-color:#011227;
}
/*Defining axis stylings*/
.x-axis text {
font-family:'Montserrat Alternates', sans-serif;
font-weight:400;
font-size:10px;
opacity:0.5;
fill:white;
}
.y-axis text {
font-family:'Montserrat Alternates', sans-serif;
font-weight:400;
font-size:9px;
opacity:0.5;
fill:white;
}
.y-axis path {
fill:none;
stroke-width:0;
stroke-opacity:1;
stroke:white;
}
.x-axis path {
fill:none;
stroke-width:0;
stroke-opacity:1;
stroke:white;
}
.y-axis line, .x-axis line {
fill:none;
stroke-width:0.5;
stroke-opacity:0.5;
stroke:white;
stroke-dasharray:2;
}
/*Defining chart stylings*/
.line {
fill:none;
stroke:#f5fa91;
stroke-width:0.2px;
stroke-dasharray: 2;
}
.area {
fill:#85f6fa;
fill-opacity:0.15;
stroke:none;
}
</style>
</head>
<body>
<script>
//Margin conventions
var m = {top:100, right:50, bottom:50, left:40}
w = 800 - m.left - m.right,
h = 800 - m.top - m.bottom;
//Container
var svg = d3.select("body")
.append("svg")
.attr("width", w + m.left + m.right)
.attr("height", h + m.top + m.bottom)
.append("g")
.attr("transform", `translate(${m.left}, ${m.top})`);
//Define the format
var parseDate = d3.timeParse("%Y");
var formatDate = d3.timeFormat("%Y");
var formatNumber = d3.format(".0s");
//Data loading
d3.csv(
'https://gist.githubusercontent.com/sandravizz/2b445498a7069725b8bf3ddedf37956e/raw/f3abfb6e59db1da6b5ea50ee848aa8ee22910a59/OECD:%2520Tree%2520felling%2520over%2520time%2520by%2520country',
data => {
//Nesting the data by symbol
var country = d3.nest()
.key(d => d.LOCATION)
.entries(data);
//Parse and caculate some values for each symbols
country.forEach(s => {s.values.forEach(d => {d.Value = +d.Value;
d.TIME = parseDate(d.TIME);
});
s.maxValue = d3.max(s.values, d => d.Value);
s.sumValue = d3.sum(s.values, d => d.Value);
});
//X scale
var x = d3.scaleTime()
.domain(d3.extent(data, d => d.TIME))
.range([0, w]);
//Line generator
var line = d3.line()
.x(d => x(d.TIME))
.y(d => y(d.Value));
//Area generator
var area = d3.area()
.x(d => x(d.TIME))
.y0(h)
.y1(d => y(d.Value));
//Y scale
var y = d3.scaleLinear()
.domain([0, d3.max(country.map(d => d.maxValue))])
.range([h,0]);
//Draw the lines
svg.selectAll(".line")
.data(country)
.enter()
.append("path")
.attr("class", "line")
.attr("d", d => line(d.values));
//Draw the areas
svg.selectAll(".area")
.data(country)
.enter()
.append("path")
.attr("class", "area")
.attr("d", d => area(d.values));
//X Axis
svg.append("g")
.attr("class","x-axis")
.attr("transform", `translate(0, ${h})`)
.call(d3.axisBottom(x)
.ticks(8)
.tickPadding(4)
.tickFormat(formatDate));
//Y axis
svg.append("g")
.attr("class", "y-axis")
.call(d3.axisLeft(y)
.ticks(4)
.tickSize(-w)
.tickPadding(6)
.tickFormat(formatNumber));
});
</script>
</body>
</html>
https://d3js.org/d3.v4.min.js