Created
August 10, 2014 18:05
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| <!DOCTYPE html> | |
| <script type="text/javascript" src="http://d3js.org/d3.v3.min.js"></script> | |
| <style> | |
| body { | |
| background-color: #777; | |
| } | |
| </style> | |
| <body> | |
| <div> | |
| <script> | |
| var width=960, | |
| height = 500, | |
| margin = 50, | |
| i=0; | |
| var svg=d3.select("div").append("svg").attr("width",width) | |
| .attr("height",height); | |
| var line = d3.svg.line() | |
| .x(function(d) { return d[0]+100; }) | |
| .y(function(d) { return d[1] + 100; }) | |
| .interpolate("step"); | |
| function init(){ | |
| var randData = []; | |
| for (var i = 0; i < 8; i++){ | |
| randData.push([i*50, Math.random() * 200]); | |
| } | |
| svg.data([randData]) | |
| .append("path") | |
| .attr("d", line) | |
| .attr("fill", "green") | |
| .attr("stroke", "#aaa") | |
| .attr("stroke-width", 7); | |
| svg.selectAll("circle") | |
| .data(randData) | |
| .enter().append("circle") | |
| .attr("cx", function(d,i){ return d[0]+100; }) | |
| .attr("cy", function(d,i){ return d[1] + 100 }) | |
| .attr("fill", "#dfdfdf") | |
| .attr("r", 10); | |
| setInterval(refresh, 1200); | |
| } | |
| function refresh(){ | |
| var randData = []; | |
| for (var i = 0; i < 8; i++){ | |
| randData.push([i*50, Math.random() * 200]); | |
| } | |
| svg.data([randData]) | |
| .select("path") | |
| .transition() | |
| .duration(500) | |
| .attr("d", line); | |
| svg.selectAll("circle") | |
| .data(randData) | |
| .transition() | |
| .duration(500) | |
| .attr("cy", function(d,i){ return d[1] + 100 }); | |
| } | |
| init(); | |
| </script> |
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