IEX API
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March 15, 2017 03:29
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IEX Historical - 60 Day HBar Chart
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| height: 930 | |
| license: gpl-3.0 |
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| <!DOCTYPE html> | |
| <meta charset="utf-8"> | |
| <style> | |
| body { | |
| font: 10px sans-serif; | |
| } | |
| .bar rect { | |
| fill: orange; | |
| } | |
| .bar text.value { | |
| fill: black; | |
| } | |
| .axis { | |
| shape-rendering: crispEdges; | |
| } | |
| .axis path { | |
| fill: none; | |
| } | |
| .x.axis line { | |
| stroke: #fff; | |
| stroke-opacity: .8; | |
| } | |
| .y.axis path { | |
| stroke: black; | |
| } | |
| </style> | |
| <body align=center> | |
| <span class=dropdown></span><span class=dropdown2></span><br> | |
| <script src="//d3js.org/d3.v3.min.js"></script> | |
| <script src="jsonp.js"></script> | |
| <script> | |
| d3.jsonp("https://api.iextrading.com/1.0/stats/historical/daily?callback=visualise&last=60"); | |
| function visualise(data){ | |
| var margin = {top: 30, right: 300, bottom: 0, left: 120}, | |
| w = 960 - margin.left - margin.right, | |
| h = 3000 - margin.top - margin.bottom; | |
| m = [30,300,0,120] | |
| var x = d3.scale.linear().range([0, w]), | |
| y = d3.scale.ordinal().rangeRoundBands([0, h/4], .1); | |
| var xAxis = d3.svg.axis().scale(x).orient("top").tickSize(-h), | |
| yAxis = d3.svg.axis().scale(y).orient("left").tickSize(0); | |
| var format = d3.format(",.0f"); | |
| var format2 = d3.format(",.2f"); | |
| data.forEach(function(d) { | |
| d.name = d.date; | |
| d.marketShare = (d.marketShare*100).toFixed(3); | |
| }); | |
| var data2=data | |
| var option = ["volume", "litVolume", "routedVolume", "marketShare"] | |
| var key = option[0] | |
| var option2 = ["sortvalue", "sortkey"] | |
| var key2 = option2[0] | |
| var select = d3.select('.dropdown') | |
| .append('select') | |
| .style('font-size', '20px') | |
| .attr('class','select') | |
| .on('change',onchange); | |
| var options = select | |
| .selectAll('option') | |
| .data(option).enter() | |
| .append('option') | |
| .text(function (d) { return d; }); | |
| function onchange() { | |
| updateviz(d3.select('.select').property('value'),d3.select('.select2').property('value')) | |
| }; | |
| var select2 = d3.select('.dropdown2') | |
| .append('select') | |
| .style('font-size', '20px') | |
| .attr('class','select2') | |
| .on('change',onchange2); | |
| var options = select2 | |
| .selectAll('option2') | |
| .data(option2).enter() | |
| .append('option') | |
| .text(function (d) { return d; }); | |
| function onchange2() { | |
| updateviz(d3.select('.select').property('value'),d3.select('.select2').property('value')) }; | |
| function updateviz(key,key2) { | |
| data=[] | |
| data2.forEach(function(d){data.push(d)}); | |
| d3.select("svg").remove(); | |
| data.forEach(function(d) { | |
| d.value = d[key]; | |
| }); | |
| var svg = d3.select("body").append("svg") | |
| .attr("width", w + m[1] + m[3]) | |
| .attr("height", h + m[0] + m[2]) | |
| .append("g") | |
| .attr("transform", "translate(" + m[3] + "," + m[0] + ")"); | |
| // Parse numbers, and sort by value. | |
| data.forEach(function(d) { d.value = +d.value; }); | |
| if(key2 == "sortvalue") { | |
| data.sort(function(a, b) { return b.value - a.value; }); | |
| } | |
| // Set the scale domain. | |
| x.domain([0, d3.max(data, function(d) { return d.value; })]); | |
| y.domain(data.map(function(d) { return d.name; })); | |
| var bar = svg.selectAll("g.bar") | |
| .data(data) | |
| .enter().append("g") | |
| .attr("class", "bar") | |
| .attr("transform", function(d) { return "translate(0," + y(d.name) + ")"; }); | |
| bar.append("rect") | |
| .attr("width", function(d) { return x(d.value); }) | |
| .attr("height", y.rangeBand()); | |
| bar.append("text") | |
| .attr("class", "value") | |
| .attr("x", function(d) { return x(d.value); }) | |
| .attr("y", y.rangeBand() / 2) | |
| .attr("dx", -3) | |
| .attr("dy", ".35em") | |
| .attr("text-anchor", "end") | |
| .text(function(d) { | |
| if(key == "marketShare") { return format2(d.value)+"%"} | |
| return format(d.value); }); | |
| svg.append("g") | |
| .attr("class", "x axis") | |
| .call(xAxis); | |
| svg.append("g") | |
| .attr("class", "y axis") | |
| .call(yAxis); | |
| } | |
| updateviz(key,key2) | |
| } | |
| </script> |
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| d3.jsonp = function (url, callback) { | |
| function rand() { | |
| var chars = 'ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz', | |
| c = '', i = -1; | |
| while (++i < 15) c += chars.charAt(Math.floor(Math.random() * 52)); | |
| return c; | |
| } | |
| function create(url) { | |
| var e = url.match(/callback=d3.jsonp.(\w+)/), | |
| c = e ? e[1] : rand(); | |
| d3.jsonp[c] = function(data) { | |
| callback(data); | |
| delete d3.jsonp[c]; | |
| script.remove(); | |
| }; | |
| return 'd3.jsonp.' + c; | |
| } | |
| var cb = create(url), | |
| script = d3.select('head') | |
| .append('script') | |
| .attr('type', 'text/javascript') | |
| .attr('src', url.replace(/(\{|%7B)callback(\{|%7D)/, cb)); | |
| }; |
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