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barchart using d3 with scale and axes
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| <!DOCTYPE html> | |
| <html lang="en"> | |
| <head> | |
| <meta charset="UTF-8"> | |
| <title>Simple Bar Chart</title> | |
| <script src="https://d3js.org/d3.v3.min.js" charset="utf-8"></script> | |
| <style> | |
| .bar:hover { | |
| fill: cyan; | |
| } | |
| .bar { | |
| fill: steelblue; | |
| } | |
| .axis text { | |
| font: 10px sans-serif; | |
| } | |
| .axis path, | |
| .axis line { | |
| fill: none; | |
| stroke: #000; | |
| shape-rendering: crispEdges; | |
| } | |
| .x.axis path { | |
| /*display: none;*/ | |
| } | |
| </style> | |
| </head> | |
| <body> | |
| <h1>Bar Chart using D3.js</h1> | |
| <svg class="bar-chart"></svg> | |
| <script> | |
| var dataset = [120, 30, 23, 123, 134, 233, 183, 78, 382, 88,201]; | |
| var w = 800, h = 500; | |
| var margin = {top: 20, right: 30, bottom: 30, left: 40}, | |
| svgWidth = w - margin.left - margin.right, | |
| svgHeight = h - margin.top - margin.bottom; | |
| var x = d3.scale.ordinal() | |
| .domain(d3.range(0, dataset.length)) | |
| .rangeRoundBands([0, svgWidth], 0.1, 0.2); | |
| var y = d3.scale.linear() | |
| .domain([0, d3.max(dataset)]) | |
| .range([svgHeight, 0]); | |
| var xAxis = d3.svg.axis() | |
| .scale(x) | |
| .orient("bottom"); | |
| var yAxis = d3.svg.axis() | |
| .scale(y) | |
| .orient("left"); | |
| var barChart = d3.select('svg') | |
| .attr("width", w) | |
| .attr("height", h) | |
| .append("g") | |
| .attr("transform", "translate(" + margin.left + "," + margin.top + ")"); | |
| barChart.append("g") | |
| .attr("class", "x axis") | |
| .attr("transform", "translate(0," + svgHeight + ")") | |
| .call(xAxis); | |
| barChart.append("g") | |
| .attr("class", "y axis") | |
| .call(yAxis); | |
| barChart.selectAll(".bar") | |
| .data(dataset) | |
| .enter() | |
| .append("rect") | |
| .attr("class", "bar") | |
| .attr("x", function(d, i) { | |
| return x(i); | |
| }) | |
| .attr("y", function(d, i) { | |
| return y(d); | |
| }) | |
| .attr("width", x.rangeBand()) | |
| .attr("height", function(d, i) { | |
| return svgHeight - y(d); | |
| }) | |
| .append('title') | |
| .text(function(d) { | |
| return d; | |
| }); | |
| barChart.selectAll(".value") | |
| .data(dataset) | |
| .enter() | |
| .append("text") | |
| .text(function(d) { | |
| return d; | |
| }) | |
| .attr("x", function(d, i) { | |
| return x(i) + x.rangeBand() / 2; | |
| }) | |
| .attr("y", function(d, i) { | |
| return y(d) - 5; | |
| }) | |
| .attr("class", "value") | |
| .attr("text-anchor", "middle"); | |
| </script> | |
| </body> | |
| </html> |
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