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Bar chart with custom shapes
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| [ | |
| {"area": "A ", "value": 30000}, | |
| {"area": "B ", "value": 4800}, | |
| {"area": "C ", "value": 40000}, | |
| {"area": "D ", "value": 30040}, | |
| {"area": "E ", "value": 120200}, | |
| {"area": "F", "value": 70000} | |
| ] |
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| <!DOCTYPE html> | |
| <meta charset="utf-8"> | |
| <style> | |
| body { | |
| margin: 15px; | |
| } | |
| .bar.background{ | |
| fill: #e0e0e0; | |
| } | |
| .bar.foreground { | |
| fill: #6F257F; | |
| } | |
| .axis path, | |
| .axis line { | |
| fill: none; | |
| stroke: #D4D8DA; | |
| stroke-width: 1px; | |
| shape-rendering: crispEdges; | |
| } | |
| .x path { | |
| display: none; | |
| } | |
| .toolTip { | |
| position: absolute; | |
| display: none; | |
| min-width: 80px; | |
| height: auto; | |
| background: none repeat scroll 0 0 #ffffff; | |
| border: 1px solid #6F257F; | |
| padding: 14px; | |
| text-align: center; | |
| } | |
| </style> | |
| <svg width="960" height="500"></svg> | |
| <script src="https://d3js.org/d3.v4.min.js"></script> | |
| <script> | |
| var svg = d3.select("svg"), | |
| margin = {top: 20, right: 20, bottom: 30, left: 80}, | |
| width = +svg.attr("width") - margin.left - margin.right, | |
| height = +svg.attr("height") - margin.top - margin.bottom; | |
| var tooltip = d3.select("body").append("div").attr("class", "toolTip"); | |
| var x = d3.scaleLinear().range([0, width]); | |
| var y = d3.scaleBand().range([height, 0]); | |
| var g = svg.append("g") | |
| .attr("transform", "translate(" + margin.left + "," + margin.top + ")"); | |
| var customPath = function(x, y, width, height, offset) { | |
| } | |
| function createPath(width, yPos, initialState) { | |
| var points = [ | |
| [y.bandwidth(), yPos], | |
| [y.bandwidth() + width, yPos], | |
| [y.bandwidth() + width - y.bandwidth(), yPos+y.bandwidth()], | |
| [0, yPos+y.bandwidth()] | |
| ]; | |
| return d3.line()(points); | |
| } | |
| d3.json("data.json", function(error, data) { | |
| if (error) throw error; | |
| data.sort(function(a, b) { return a.value - b.value; }); | |
| x.domain([0, d3.max(data, function(d) { return d.value; })]); | |
| y.domain(data.map(function(d) { return d.area; })).padding(0.75); | |
| g.append("g") | |
| .attr("class", "x axis") | |
| .attr("transform", "translate(0," + height + ")") | |
| .call(d3.axisBottom(x).ticks(5).tickFormat(function(d) { return parseInt(d / 1000); }).tickSizeInner([-height])); | |
| g.append("g") | |
| .attr("class", "y axis") | |
| .call(d3.axisLeft(y)); | |
| g.selectAll(".bar .background") | |
| .data(data) | |
| .enter() | |
| .append("path") | |
| .attr("class", "bar background") | |
| .attr('d', function(d) { | |
| return createPath( | |
| x(x.domain()[1]), | |
| y(d.area) | |
| ); | |
| }); | |
| g.selectAll('bar') | |
| .data(data) | |
| .enter() | |
| .append('path') | |
| .attr("class", "bar foreground") | |
| .attr('d', function(d) { | |
| return createPath( | |
| 1, | |
| y(d.area) | |
| ); | |
| }) | |
| .attr('fill', 'black'); | |
| g.selectAll('.bar.foreground') | |
| .transition() | |
| .delay(200) | |
| .duration(1000) | |
| .attr('d', function(d) { | |
| return createPath( | |
| x(d.value), | |
| y(d.area) | |
| ); | |
| }); | |
| }); | |
| </script> |
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