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@adry34160
Last active November 1, 2016 13:47
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3 - Lline graph with dual Y axes
license: mit
date close open
1-May-12 58.13 3.41
30-Apr-12 53.98 4.55
27-Apr-12 67.00 6.78
26-Apr-12 89.70 7.85
25-Apr-12 99.00 8.92
24-Apr-12 130.28 9.92
23-Apr-12 166.70 10.13
20-Apr-12 234.98 12.23
19-Apr-12 345.44 13.45
18-Apr-12 443.34 16.04
17-Apr-12 543.70 18.03
16-Apr-12 580.13 21.02
13-Apr-12 605.23 22.34
12-Apr-12 622.77 20.15
11-Apr-12 626.20 21.26
10-Apr-12 628.44 31.04
9-Apr-12 636.23 35.04
5-Apr-12 633.68 41.02
4-Apr-12 624.31 43.05
3-Apr-12 629.32 46.03
2-Apr-12 618.63 51.03
30-Mar-12 599.55 53.42
29-Mar-12 609.86 57.82
28-Mar-12 617.62 59.01
27-Mar-12 614.48 56.03
26-Mar-12 606.98 58.01
<!DOCTYPE html>
<meta charset="utf-8">
<style> /* set the CSS */
body { font: 12px Arial;}
path {
stroke: steelblue;
stroke-width: 2;
fill: none;
}
.axis path,
.axis line {
fill: none;
stroke: grey;
stroke-width: 1;
shape-rendering: crispEdges;
}
.grid .tick {
stroke: lightgrey;
stroke-opacity: 0.7;
shape-rendering: crispEdges;
}
.grid path {
stroke-width: 0;
}
text.shadow {
stroke: white;
stroke-width: 2.5px;
opacity: 0.9;
}
</style>
<body>
<!-- load the d3.js library -->
<script src="http://d3js.org/d3.v3.min.js"></script>
<script>
// Set the dimensions of the canvas / graph
var margin = {top: 30, right: 60, bottom: 30, left: 50},
width = 600 - margin.left - margin.right,
height = 270 - margin.top - margin.bottom;
// Parse the date / time
var parseDate = d3.time.format("%d-%b-%y").parse;
// Set the ranges
var x = d3.time.scale().range([0, width]);
var y0 = d3.scale.linear().range([height, 0]);
var y1 = d3.scale.linear().range([height, 0]);
// Define the axes
var xAxis = d3.svg.axis().scale(x)
.orient("bottom").ticks(5);
var yAxisLeft = d3.svg.axis().scale(y0)
.orient("left").ticks(5);
var yAxisRight = d3.svg.axis().scale(y1)
.orient("right").ticks(5);
// Define the line
var valueline = d3.svg.line()
.x(function(d) { return x(d.date); })
.y(function(d) { return y0(d.close); });
var valueline2 = d3.svg.line()
.x(function(d) { return x(d.date); })
.y(function(d) { return y1(d.open); });
// Adds the svg canvas
var svg = d3.select("body")
.append("svg")
.attr("width", width + margin.left + margin.right)
.attr("height", height + margin.top + margin.bottom)
.append("g")
.attr("transform",
"translate(" + margin.left + "," + margin.top + ")");
// Get the data
d3.csv("data2a.csv", function(error, data) {
data.forEach(function(d) {
d.date = parseDate(d.date);
d.close = +d.close;
d.open = +d.open;
});
// Scale the range of the data;
x.domain(d3.extent(data, function(d) { return d.date; }));
y0.domain([0, d3.max(data, function(d) { return Math.max(d.close); })]);
y1.domain([0, d3.max(data, function(d) { return Math.max(d.open); })]);
// Add the valueline path.
svg.append("path")
.attr("class", "line")
//.style("stroke-dasharray", ("3,3"))
.attr("d", valueline(data));
svg.append("path")
.attr("class", "line")
.style("stroke-dasharray", ("3,3"))
.style("stroke", "red")
.attr("d", valueline2(data));
// Add the X Axis
svg.append("g")
.attr("class", "x axis")
.attr("transform", "translate(0," + height + ")")
.call(xAxis);
// Add the Y0 Axis Left
svg.append("g")
.attr("class", "y axis")
.attr("fill", "steelblue")
.call(yAxisLeft);
// Add the Y1 Axis Right
svg.append("g")
.attr("class", "y axis")
.attr("transform", "translate(" + width + " ,0)")
.attr("fill", "red")
.call(yAxisRight);
//White shadow Title
svg.append("text")
.attr("x", (width/2))
.attr("y", 0 - (margin.top / 2))
.attr("text-anchor", "middle")
.style("font-size", "16px")
.style("text-decoration", "underline")
.attr("class", "shadow")
.text("Lline graph with dual Y axes");
//Title of the graph
svg.append("text")
.attr("x", (width/2))
.attr("y", 0 - (margin.top / 2))
.attr("text-anchor", "middle")
.style("font-size", "16px")
.style("text-decoration", "underline")
.text("Lline graph with dual Y axes");
//Text label for the X Axis
svg.append("text")
.attr("x", width/2)
.attr("y", height + margin.bottom)
.style("text-anchor", "middle")
.text("Date");
//Text label for the Y Axis
svg.append("text")
.attr("transform", "rotate(-90)")
.attr("y", 0 - margin.left)
.attr("x", 0 - (height/2))
.attr("dy", "1em")
.style("text-anchor", "middle")
.text("Value");
svg.append("text")
.attr("transform", "translate(" + (width+20) + "," + y0(data[0].open) + ")")
.attr("dy", ".35em")
.attr("text-anchor", "start")
.style("fill", "red")
.text("Open");
svg.append("text")
.attr("transform", "translate(" + (width+20) + "," + y0(data[0].close) + ")")
.attr("dy", ".35em")
.attr("text-anchor", "start")
.style("fill", "blue")
.text("Close");
});
</script>
</body>
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