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| <html> | |
| <head> | |
| <script type="text/javascript" src="http://d3js.org/d3.v2.min.js"></script> | |
| <style type="text/css" media="screen"> | |
| .svg rect { | |
| stroke: white; | |
| fill: steelblue; | |
| } | |
| </style> | |
| </head> | |
| <body> | |
| <script type="text/javascript"> | |
| var width = 500 | |
| ,height = 400 | |
| ,data = [2,4,6]; | |
| var svg = d3.select("body").append("svg") | |
| .attr("class", "svg") | |
| .attr("width", width) | |
| .attr("height", height) | |
| function draw(data){ | |
| var x = d3.scale.linear() | |
| .domain([0, d3.max(data)]) | |
| .range([0, width - 10]); | |
| var y = d3.scale.ordinal() | |
| .domain(data) | |
| .rangeBands([10, height]); | |
| var group = svg.selectAll(".group") | |
| .data(data); | |
| var groupEnter = group.enter().append('g') | |
| .attr('class', 'group') | |
| var groupUpdate = group.transition().duration(1000) | |
| var groupExit = d3.transition(group.exit()) | |
| .remove() | |
| groupEnter.append("circle") | |
| .attr("cx", function(d){return x(d)}) | |
| .attr("cy", function(d){return y(d)}) | |
| .attr("r", 5); | |
| groupUpdate.select('circle') | |
| .attr("cx", function(d){return x(d)}) | |
| .attr("cy", function(d){return y(d)}) | |
| } | |
| setInterval(function(){return draw([Math.random() * 100, Math.random() * 100, Math.random() * 100]) }, 1000) | |
| </script> | |
| </body> | |
| </html> |
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