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<!DOCTYPE html> |
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<meta charset="utf-8"> |
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<style> |
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body { |
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font: 12px Arial; |
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} |
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text.shadow { |
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stroke: #fff; |
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stroke-width: 2.5px; |
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opacity: 0.9; |
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} |
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path { |
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stroke: steelblue; |
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stroke-width: 2; |
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fill: none; |
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} |
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.axis path, |
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.axis line { |
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fill: none; |
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stroke: grey; |
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stroke-width: 1; |
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shape-rendering: crispEdges; |
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} |
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.grid .tick { |
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stroke: lightgrey; |
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stroke-opacity: 0.7; |
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shape-rendering: crispEdges; |
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} |
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.grid path { |
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stroke-width: 0; |
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} |
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.area { |
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fill: lightsteelblue; |
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stroke-width: 0; |
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} |
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</style> |
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<body> |
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<script src="https://cdnjs.cloudflare.com/ajax/libs/d3/3.5.17/d3.min.js"></script> |
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<script> |
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var margin = {top: 30, right: 20, bottom: 35, left: 50}, |
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width = 600 - margin.left - margin.right, |
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height = 270 - margin.top - margin.bottom; |
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var parseDate = d3.time.format("%d-%b-%y").parse; |
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var x = d3.time.scale().range([0, width]); |
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var y = d3.scale.linear().range([height, 0]); |
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var xAxis = d3.svg.axis() |
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.scale(x) |
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.orient("bottom") |
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.ticks(5); |
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var yAxis = d3.svg.axis() |
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.scale(y) |
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.orient("left") |
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.ticks(5); |
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var area = d3.svg.area() |
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.x(function(d) { return x(d.date); }) |
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.y0(height) |
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.y1(function(d) { return y(d.close); }); |
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var valueline = d3.svg.line() |
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.x(function(d) { return x(d.date); }) |
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.y(function(d) { return y(d.close); }); |
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var svg = d3.select("body") |
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.append("svg") |
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.attr("width", width + margin.left + margin.right) |
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.attr("height", height + margin.top + margin.bottom) |
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.append("g") |
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.attr("transform", |
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"translate(" + margin.left + "," + margin.top + ")"); |
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// function for the x grid lines |
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function make_x_axis() { |
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return d3.svg.axis() |
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.scale(x) |
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.orient("bottom") |
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.ticks(5) |
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} |
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// function for the y grid lines |
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function make_y_axis() { |
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return d3.svg.axis() |
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.scale(y) |
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.orient("left") |
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.ticks(5) |
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} |
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// Get the data |
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d3.csv("data.csv", function(error, data) { |
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data.forEach(function(d) { |
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d.date = parseDate(d.date); |
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d.close = +d.close; |
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}); |
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// Scale the range of the data |
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x.domain(d3.extent(data, function(d) { return d.date; })); |
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y.domain([0, d3.max(data, function(d) { return d.close; })]); |
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// Add the filled area |
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svg.append("path") |
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.datum(data) |
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.attr("class", "area") |
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.attr("d", area); |
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// Draw the x Grid lines |
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svg.append("g") |
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.attr("class", "grid") |
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.attr("transform", "translate(0," + height + ")") |
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.call(make_x_axis() |
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.tickSize(-height, 0, 0) |
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.tickFormat("") |
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) |
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// Draw the y Grid lines |
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svg.append("g") |
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.attr("class", "grid") |
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.call(make_y_axis() |
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.tickSize(-width, 0, 0) |
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.tickFormat("") |
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) |
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// Add the valueline path. |
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svg.append("path") |
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.attr("d", valueline(data)); |
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// Add the X Axis |
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svg.append("g") |
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.attr("class", "x axis") |
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.attr("transform", "translate(0," + height + ")") |
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.call(xAxis); |
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// Add the Y Axis |
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svg.append("g") |
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.attr("class", "y axis") |
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.call(yAxis); |
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// Add the text label for the X axis |
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svg.append("text") |
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.attr("transform", |
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"translate(" + (width/2) + " ," + |
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(height+margin.bottom) + ")") |
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.style("text-anchor", "middle") |
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.text("Date"); |
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// Add the white background to the y axis label for legibility |
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svg.append("text") |
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.attr("transform", "rotate(-90)") |
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.attr("y", 6) |
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.attr("x", margin.top - (height / 2)) |
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.attr("dy", ".71em") |
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.style("text-anchor", "end") |
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.attr("class", "shadow") |
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.text("Price ($)"); |
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// Add the text label for the Y axis |
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svg.append("text") |
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.attr("transform", "rotate(-90)") |
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.attr("y", 6) |
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.attr("x", margin.top - (height / 2)) |
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.attr("dy", ".71em") |
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.style("text-anchor", "end") |
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.text("Price ($)"); |
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// Add the title |
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svg.append("text") |
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.attr("x", (width / 2)) |
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.attr("y", 0 - (margin.top / 2)) |
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.attr("text-anchor", "middle") |
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.style("font-size", "16px") |
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.style("text-decoration", "underline") |
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.text("Price vs Date Graph"); |
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}); |
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</script> |
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</body> |
