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defs in d3 - reuse elements with use
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| <html> | |
| <head> | |
| <script src="http://cdnjs.cloudflare.com/ajax/libs/d3/3.4.1/d3.min.js"></script> | |
| </head> | |
| <body> | |
| <svg></svg> | |
| </body> | |
| <script> | |
| var circle_data = [ | |
| [10,70,10], | |
| [20,25,10], | |
| [70,35,10], | |
| [50,45,20], | |
| [20,55,20], | |
| [30,45,25] | |
| ]; | |
| var svg = d3.select("svg").attr("width","100%").attr("height",500); | |
| var cloudDef = svg.append('defs').append("g").attr("id","cloud").style("opacity", 0.5); | |
| cloudDef.selectAll("circle").data(circle_data).enter() | |
| .append("circle") | |
| .attr("cx", function(d){return d[0]}) | |
| .attr("cy", function(d){return d[1]}) | |
| .attr("r", function(d){return d[2]}) | |
| .style("fill", "steelblue") | |
| svg.append("g").attr("transform","translate(0,0)").attr("class","cloud") | |
| .append("use").attr("xlink:href","#cloud") | |
| svg.append("g").attr("transform","translate(100,0)").attr("class","cloud") | |
| .append("use").attr("xlink:href","#cloud") | |
| svg.append("g").attr("transform","translate(200,0)").attr("class","cloud") | |
| .append("use").attr("xlink:href","#cloud") | |
| setInterval( function(){ | |
| d3.selectAll("g.cloud").transition() | |
| .attr("transform", function(){ | |
| return "translate(" + Math.random() * 200 + ", 0)" | |
| }) | |
| }, 1000) | |
| </script> | |
| </html> |
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