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Bar Chart with Transition
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| <!DOCTYPE html> | |
| <html lang="en"> | |
| <head> | |
| <meta charset="utf-8"> | |
| <title>Transition</title> | |
| <style> | |
| body { | |
| font-family: "helvetica"; | |
| } | |
| button { | |
| margin: 0 7px 0 0; | |
| background-color: #f5f5f5; | |
| border: 1px solid #dedede; | |
| border-top: 1px solid #eee; | |
| border-left: 1px solid #eee; | |
| font-size: 12px; | |
| line-height: 130%; | |
| text-decoration: none; | |
| font-weight: bold; | |
| color: #565656; | |
| cursor: pointer; | |
| } | |
| .single-bar { | |
| min-height: 1px; | |
| min-width: 30px; | |
| background-color: #4682b4; | |
| margin-right: 1px; | |
| font-size: 10px; | |
| color: #f0f8ff; | |
| text-align: center; | |
| width: 15px; | |
| display: inline-block; | |
| } | |
| .baseline { | |
| height: 1px; | |
| background-color: black; | |
| } | |
| .axis path, .axis line { | |
| fill: none; | |
| stroke: #000; | |
| shape-rendering: crispEdges; | |
| } | |
| .axis text { | |
| font: 10px sans-serif; | |
| } | |
| .axis .grid-line{ | |
| stroke: black; | |
| shape-rendering: crispEdges; | |
| stroke-opacity: .2; | |
| } | |
| .line{ | |
| fill: none; | |
| stroke: #000; | |
| stroke-width: 2; | |
| } | |
| .dot { | |
| fill: #fff; | |
| stroke: #000; | |
| } | |
| .area { | |
| stroke: none; | |
| fill: steelblue; | |
| fill-opacity: .2; | |
| } | |
| .pie text{ | |
| fill: white; | |
| font-weight: bold; | |
| } | |
| .bubble{ | |
| fill-opacity: .3; | |
| } | |
| .bar{ | |
| stroke: none; | |
| fill: steelblue; | |
| } | |
| text { | |
| font-size: 11px; | |
| pointer-events: none; | |
| } | |
| text.parent { | |
| fill: steelblue; | |
| } | |
| circle { | |
| fill: #ccc; | |
| stroke: #999; | |
| pointer-events: all; | |
| } | |
| circle.parent { | |
| fill: steelblue; | |
| fill-opacity: .1; | |
| stroke: steelblue; | |
| } | |
| circle.parent:hover { | |
| stroke-width: .5px; | |
| } | |
| circle.child { | |
| pointer-events: none; | |
| } | |
| </style> | |
| <script src="http://d3js.org/d3.v3.min.js" charset="utf-8"></script> | |
| </head> | |
| <body> | |
| <script type="text/javascript"> | |
| var id = 0, | |
| data = [], | |
| duration = 500, | |
| chartHeight = 200, | |
| chartWidth = 900; | |
| for(var i = 0; i < 20; i++){ | |
| push(data); | |
| } | |
| function render(data) { | |
| var selection = d3.select('body') | |
| .selectAll('div.single-bar') | |
| .data(data, function(d){return d.id}); | |
| selection.enter() | |
| .append('div') | |
| .attr('class', 'single-bar') | |
| .style('position', 'fixed') | |
| .style('top', chartHeight + 'px') | |
| .style('left', function(d, i){ | |
| return barLeft(i+1) + 'px'; | |
| }) | |
| .style('height', '0px') | |
| .append('span'); | |
| selection | |
| .transition().duration(duration) | |
| .style('top', function(d) { | |
| return chartHeight - barHeight(d) + 'px'; | |
| }) | |
| .style('left', function(d, i) { | |
| return barLeft(i) + 'px'; | |
| }) | |
| .style('height', function(d) { | |
| return barHeight(d) + 'px'; | |
| }) | |
| .select('span') | |
| .text(function (d) {return d.value;}); | |
| selection.exit() | |
| .transition().duration(duration) | |
| .style('left', function(d, i){ | |
| return barLeft(-1) + 'px'; | |
| }) | |
| .remove(); | |
| } | |
| function push(data){ | |
| data.push({ | |
| id: ++id, | |
| value: Math.round(Math.random() * chartHeight) | |
| }); | |
| } | |
| function barLeft(i) { | |
| return i * (44); | |
| } | |
| function barHeight(d) { | |
| return d.value; | |
| } | |
| setInterval(function () { | |
| data.shift(); | |
| push(data); | |
| render(data); | |
| }, 2000); | |
| render(data); | |
| d3.select('body') | |
| .append('div') | |
| .attr('class', 'baseline') | |
| .style('position', 'fixed') | |
| .style('top', chartHeight + 'px') | |
| .style('left', '0px') | |
| .style('width', chartWidth + 'px'); | |
| </script> | |
| </body> | |
| </html> |
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