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D3 bar chart with custom SVG path icons
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| <!DOCTYPE html> | |
| <meta charset="utf-8"> | |
| <script src="https://cdnjs.cloudflare.com/ajax/libs/d3/3.5.5/d3.min.js"></script> | |
| <script src="windchart.js"></script> | |
| <style> | |
| body { | |
| font: 10px 'Open sans', sans-serif; | |
| } | |
| .axis path, | |
| .axis line { | |
| fill: none; | |
| stroke-width: 1px; | |
| shape-rendering: crispEdges; | |
| } | |
| .x.axis line, .x.axis path {fill: #222; stroke: #222; stoke-width: 1px;} | |
| .projects line, .projects path {stroke: steelblue;} | |
| .projects text {fill: steelblue;} | |
| .line { | |
| fill: none; | |
| stroke: black; | |
| stroke-width: 1.2px; | |
| } | |
| path.projects {stroke: #fff; stroke-width: 0.5px; fill: steelblue; } | |
| div.chart {width: 100%;} | |
| </style> | |
| <body> | |
| </body> |
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| month | name | capacity | |
|---|---|---|---|
| 04-2007 | Mars Hill | 42 | |
| 01-2009 | Stetson phase 1 | 57 | |
| 11-2009 | Kibby phase 1 | 66 | |
| 04-2010 | Stetson phase 2 | 25.5 | |
| 11-2010 | Kibby phase 2 | 66 | |
| 07-2011 | Rollins | 60 | |
| 12-2011 | Spruce Mt. | 20 | |
| 01-2012 | Record Hill | 50.6 | |
| 12-2012 | Bull Hill | 34.6 | |
| 12-2014 | Saddleback Ridge phase 1 | 8.6 |
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| var parseDate = d3.time.format("%m-%Y").parse; | |
| var shortMonth = d3.time.format("%b-%y"); | |
| var margin = {top: 50, right: 20, bottom: 50, left: 60}, | |
| width = 645 - margin.left - margin.right, | |
| height = 380 - margin.top - margin.bottom; | |
| var x = d3.time.scale() | |
| .range([0, (width - margin.right)]); | |
| var xAxis = d3.svg.axis() | |
| .tickFormat(shortMonth) | |
| .tickSize(15,2) | |
| .orient("bottom"); | |
| var y = d3.scale.linear() | |
| .range([height,0]) | |
| .domain([0, 120]); | |
| var yAxis = d3.svg.axis() | |
| .orient("left") | |
| .scale(y); | |
| var y_invert = d3.scale.linear() | |
| .range([0,height]) | |
| .domain([0, 120]); | |
| d3.csv("projects.csv", function(error, data) { | |
| if (error) throw error; | |
| var svg = d3.select("body").append("svg") | |
| .attr("width", width + margin.left + margin.right) | |
| .attr("height", height + margin.top + margin.bottom) | |
| .append("g") | |
| .attr("transform", "translate(" + margin.left + "," + margin.top + ")"); | |
| x.domain( [parseDate('08-2006'),parseDate('06-2015')] ); | |
| xAxis | |
| .scale(x) | |
| .ticks(d3.time.months,6); | |
| var projectpaths = svg.append("g").selectAll('path.projects').data(data); | |
| projectpaths.enter().append('path') | |
| .attr("transform", "translate(0," + height + ")") | |
| .attr('class','projects') | |
| .attr('d', function(datum) { | |
| var date = parseDate(datum.month); | |
| var capacity = +datum.capacity; | |
| return drawturbine(x(date), y_invert(capacity)); | |
| }) | |
| var project_anno = svg.append("g").selectAll('text.labels') | |
| .data(data) | |
| .enter().append('text') | |
| .attr("transform", function(d) { | |
| return "translate(" + x(parseDate(d.month)) + "," + y(+d.capacity) + ") rotate(-60)" | |
| }) | |
| .attr("dy", "0.5em") | |
| .attr("dx","1.5em") | |
| .text(function(d) {return d.name;}); | |
| svg.append("g") | |
| .attr("class", "x axis") | |
| .attr("transform", "translate(0," + height + ")") | |
| .call(xAxis) | |
| .selectAll("text") | |
| .style("text-anchor","middle") | |
| .attr("dx", "-3em") | |
| .attr("dy", "-1.5em") | |
| .attr("transform", "rotate(-90)" ); | |
| svg.append("g") | |
| .attr("class", "y axis projects") | |
| .call(yAxis) | |
| .append("text") | |
| .attr("transform", "rotate(-90)") | |
| .attr("dy", "1.5em") | |
| .style("text-anchor", "end") | |
| .text("Capacity of individual projects (megawatts)"); | |
| }); | |
| function drawturbine(x, h) { | |
| var w = 5; | |
| return "M" + (x - w*0.6) + " 0 L" + (x - w*0.3) + " " + (-h+4) + "L" + (x-25) + " " + (-h+25) + | |
| //3 to 4 (top tip) | |
| "L" + (x-2) + " " + (-h) + "L" + (x) + " " + (-h - 40) + | |
| //5 to 6 | |
| "L" + (x+3) + " " + (-h-2) + "L" + (x+12) + " " + (-h - 1) + | |
| //7 to 8 | |
| "L" + (x+12) + " " + (-h+2) + "L" + (x+5) + " " + (-h+4) + | |
| //9 to 10 | |
| "L" + (x+28) + " " + (-h+25) + "L" + (x+0.3*w) + " " + (-h+4) + | |
| //11 | |
| "L" + (x+w*0.6) + " 0"; | |
| } |
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