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responsive layout with D3.js
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| <!DOCTYPE html> | |
| <html> | |
| <head> | |
| <meta charset="utf-8"> | |
| <style> | |
| body { | |
| margin: 0; | |
| background-color: #EEE; | |
| } | |
| #chartArea { | |
| background-color: #FFF; | |
| border: 1px solid #AAA; | |
| width: 100%; | |
| } | |
| </style> | |
| <body> | |
| <div id="chartArea"></div> | |
| <script src="http://d3js.org/d3.v3.min.js"></script> | |
| <script src="https://cdnjs.cloudflare.com/ajax/libs/jquery/1.11.3/jquery.min.js"></script> | |
| <script> | |
| /* ----------------------------------- | |
| initialize | |
| ----------------------------------- */ | |
| var width = 960, height = 400, aspect = width / height; | |
| var margin = {top: 0, right: 0, bottom: 0, left: 0}, | |
| cWidth = width - margin.left - margin.right, | |
| cHeight = height - margin.top - margin.bottom; | |
| var container = d3.select("#chartArea").append("svg") | |
| .attr("width", width) | |
| .attr("height", width * aspect) | |
| .attr("viewBox", "0 0 "+ width +" " + height +"") | |
| .attr("preserveAspectRatio", "xMidYMid") | |
| .attr("id", "chart") | |
| .append("g") | |
| .attr("transform", "translate(" + margin.left + "," + margin.top + ")"); | |
| var interval = 2000; | |
| var circles = container.selectAll(".en").data( [0,1,2,3,4] ); | |
| circles.enter() | |
| .append("circle") | |
| .attr("class", "en"); | |
| /* ----------------------------------- | |
| main look | |
| ----------------------------------- */ | |
| var mainLoop = function() { | |
| circles.transition() | |
| .ease("linear") | |
| .duration(1000).delay( function(d,i){return i*50}).ease("circle") | |
| .attr("r", function(d) { return Math.floor( Math.random()*200+20) }) | |
| .attr("cx", function(d) { return Math.floor( Math.random()*width) }) | |
| .attr("cy", function(d) { return Math.floor( Math.random()*height) }) | |
| .attr("opacity", 1.0) | |
| .attr("stroke", "#000") | |
| .attr("stroke-width", "10px") | |
| .style("fill", "none"); | |
| return function() { | |
| d3.timer( mainLoop(), interval ); | |
| return true; | |
| } | |
| }; | |
| /* ----------------------------------- | |
| responsive with window size | |
| ----------------------------------- */ | |
| var chart = $("#chart"), | |
| container = chart.parent(); | |
| $(window).on("resize", function() { | |
| var targetWidth = container.width(); | |
| var targetHeight = Math.round(targetWidth / aspect); | |
| chart.attr("width", targetWidth); | |
| chart.attr("height", targetHeight); | |
| chart.attr("viewBox", "0 0 "+ targetWidth + " " + targetHeight) | |
| }).trigger("resize"); | |
| d3.timer( mainLoop(), interval ); | |
| </script> | |
| </body> | |
| </html> |
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