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April 8, 2016 18:30
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Animate a dot with a few transitions
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| <!DOCTYPE html> | |
| <html> | |
| <style> | |
| circle { | |
| fill: blue; | |
| } | |
| svg { | |
| background-color: parchment; | |
| } | |
| </style> | |
| <body> | |
| <div id="vis"></div> | |
| <script type="text/javascript" src="https://cdnjs.cloudflare.com/ajax/libs/d3/3.5.6/d3.min.js"></script> | |
| <script> | |
| var points = [{start: 10, mid: 30, end: 50, id: "A"}]; | |
| var width = 500; | |
| var height = 200; | |
| var svg = d3.select("#vis").append("svg").attr("width", width).attr("height",height); | |
| // make a scale for the min start and max end as your domain | |
| var locScale = d3.scale.linear().range([10, width-10]).domain([20,50]); | |
| var circles = svg.selectAll("circle") | |
| .data(points, function(d) {return d.id;}); | |
| circles | |
| .enter() | |
| .append("circle") | |
| .attr("cx", function(d) { | |
| return locScale(d.start); | |
| }) | |
| .attr("cy", height/2) | |
| .attr("r", 10); | |
| circles.transition() | |
| .duration(1000) | |
| .attr("cx", function(d) { | |
| return locScale(d.mid); | |
| }) | |
| .transition() | |
| .duration(200) | |
| .attr("r", 30) | |
| .transition() | |
| .duration(200) | |
| .attr("r", 10) | |
| .transition() | |
| .duration(1000) | |
| .attr("cx", function(d) { | |
| return locScale(d.end); | |
| }); | |
| circles.exit().remove(); | |
| </script> | |
| </body> |
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