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December 6, 2017 21:45
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Simple Barplot (+tooltip, random)
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| <!DOCTYPE html> | |
| <meta charset="utf-8"> | |
| <svg width="960" height="500"></svg> | |
| <script src="https://d3js.org/d3.v4.min.js"></script> | |
| <script src="https://code.jquery.com/jquery-3.2.1.min.js" | |
| integrity="sha256-hwg4gsxgFZhOsEEamdOYGBf13FyQuiTwlAQgxVSNgt4=" | |
| crossorigin="anonymous"></script> | |
| <link rel="stylesheet" href="https://maxcdn.bootstrapcdn.com/bootstrap/4.0.0-alpha.6/css/bootstrap.min.css" integrity="sha384-rwoIResjU2yc3z8GV/NPeZWAv56rSmLldC3R/AZzGRnGxQQKnKkoFVhFQhNUwEyJ" crossorigin="anonymous"> | |
| <script src="https://cdnjs.cloudflare.com/ajax/libs/tether/1.4.0/js/tether.min.js" integrity="sha384-DztdAPBWPRXSA/3eYEEUWrWCy7G5KFbe8fFjk5JAIxUYHKkDx6Qin1DkWx51bBrb" crossorigin="anonymous"></script> | |
| <script src="https://maxcdn.bootstrapcdn.com/bootstrap/4.0.0-alpha.6/js/bootstrap.min.js"></script> | |
| <script> | |
| ;(function (d3, $) { | |
| window.drawBarPlot = function () { | |
| const svg = d3.select('svg') | |
| const margin = {top: 20, right: 20, bottom: 30, left: 40} | |
| const width = +svg.attr('width') - margin.left - margin.right | |
| const height = +svg.attr('height') - margin.top - margin.bottom | |
| const x = d3.scaleBand().rangeRound([0, width]).padding(0.1) | |
| const y = d3.scaleLinear().rangeRound([height, 0]) | |
| var g = svg.append('g') | |
| .attr('transform', 'translate(' + margin.left + ',' + margin.top + ')') | |
| x.domain(data.map(function (d) { return d.letter })) | |
| y.domain([0, d3.max(data, function (d) { return d.frequency })]) | |
| g.append('g') | |
| .attr('class', 'axis axis--x') | |
| .attr('transform', 'translate(0,' + height + ')') | |
| .call(d3.axisBottom(x)) | |
| g.append('g') | |
| .attr('class', 'axis axis--y') | |
| .call(d3.axisLeft(y).ticks(10, '%')) | |
| .append('text') | |
| .attr('transform', 'rotate(-90)') | |
| .attr('y', 6) | |
| .attr('dy', '0.71em') | |
| .attr('text-anchor', 'end') | |
| .text('Frequency') | |
| g.selectAll('.bar') | |
| .data(data) | |
| .enter().append('rect') | |
| .attr('class', 'bar') | |
| .attr('x', function (d) { return x(d.letter) }) | |
| .attr('y', function (d) { return y(d.frequency) }) | |
| .attr('width', x.bandwidth()) | |
| .attr('height', function (d) { return height - y(d.frequency) }) | |
| .attr('data-toggle', 'tooltip') | |
| .attr('title', (d) => d.letter) | |
| .style('fill', 'steelblue') | |
| .on('mouseover mousemove', function (d) { | |
| $(this).css('fill', 'tomato') | |
| }) | |
| .on('mouseout', function (d) { | |
| $(this).css('fill', 'steelblue') | |
| }) | |
| .call(_ => { | |
| $('[data-toggle="tooltip"]').tooltip({ | |
| container: 'body' | |
| }) | |
| }) | |
| } | |
| const data = [ | |
| { | |
| 'letter': 'A', | |
| 'frequency': d3.randomUniform(1, 5)() | |
| }, | |
| { | |
| 'letter': 'B', | |
| 'frequency': d3.randomUniform(1, 5)() | |
| }, | |
| { | |
| 'letter': 'C', | |
| 'frequency': d3.randomUniform(1, 5)() | |
| }, | |
| { | |
| 'letter': 'D', | |
| 'frequency': d3.randomUniform(1, 5)() | |
| }, | |
| { | |
| 'letter': 'E', | |
| 'frequency': d3.randomUniform(1, 5)() | |
| } | |
| ] | |
| window.drawBarPlot() | |
| }(window.d3, window.$)) | |
| </script> |
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