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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: 10px sans-serif; |
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margin: 0; |
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} |
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.line { |
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fill: none; |
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stroke: #666; |
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stroke-width: 1.5px; |
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} |
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.area { |
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fill: #e7e7e7; |
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} |
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</style> |
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<body> |
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<script src="//d3js.org/d3.v3.min.js"></script> |
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<script> |
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var margin = {top: 8, right: 10, bottom: 2, left: 10}, |
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width = 960 - margin.left - margin.right, |
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height = 69 - margin.top - margin.bottom; |
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var parseDate = d3.time.format("%b %Y").parse; |
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var x = d3.time.scale() |
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.range([0, width]); |
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var y = d3.scale.linear() |
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.range([height, 0]); |
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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.price); }); |
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var line = d3.svg.line() |
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.x(function(d) { return x(d.date); }) |
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.y(function(d) { return y(d.price); }); |
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d3.csv("stocks.csv", type, function(error, data) { |
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// Nest data by symbol. |
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var symbols = d3.nest() |
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.key(function(d) { return d.symbol; }) |
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.entries(data); |
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// Compute the maximum price per symbol, needed for the y-domain. |
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symbols.forEach(function(s) { |
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s.maxPrice = d3.max(s.values, function(d) { return d.price; }); |
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}); |
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// Compute the minimum and maximum date across symbols. |
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// We assume values are sorted by date. |
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x.domain([ |
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d3.min(symbols, function(s) { return s.values[0].date; }), |
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d3.max(symbols, function(s) { return s.values[s.values.length - 1].date; }) |
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]); |
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// Add an SVG element for each symbol, with the desired dimensions and margin. |
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var svg = d3.select("body").selectAll("svg") |
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.data(symbols) |
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.enter().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", "translate(" + margin.left + "," + margin.top + ")"); |
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// Add the area path elements. Note: the y-domain is set per element. |
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svg.append("path") |
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.attr("class", "area") |
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.attr("d", function(d) { y.domain([0, d.maxPrice]); return area(d.values); }); |
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// Add the line path elements. Note: the y-domain is set per element. |
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svg.append("path") |
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.attr("class", "line") |
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.attr("d", function(d) { y.domain([0, d.maxPrice]); return line(d.values); }); |
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// Add a small label for the symbol name. |
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svg.append("text") |
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.attr("x", width - 6) |
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.attr("y", height - 6) |
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.style("text-anchor", "end") |
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.text(function(d) { return d.key; }); |
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}); |
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function type(d) { |
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d.price = +d.price; |
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d.date = parseDate(d.date); |
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return d; |
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} |
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</script> |
Hello, I am using mbostock for my project. I have an issue is my chart is not change althrough i updated csv file and request url (also refresh page). I think you cached file. Help me fix it.