Move your mouse around
Created
June 23, 2014 15:45
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| <!DOCTYPE html> | |
| <meta charset="utf-8"> | |
| <style> | |
| path { | |
| stroke: #fff; | |
| } | |
| path:first-child { | |
| fill: blue !important; | |
| } | |
| </style> | |
| <body> | |
| <div id="news"></div> | |
| <script src="http://d3js.org/d3.v3.min.js" charset="utf-8"></script> | |
| <script> | |
| var width = 350, | |
| height = 350; | |
| var vertices = d3.range(100).map(function(d) { | |
| return [ (Math.random() + (d/10 >> 0) )* (width/10), (Math.random() + (d% 10) )* (height/10)]; | |
| }); | |
| var voronoi = d3.geom.voronoi() | |
| .clipExtent([[0, 0], [width, height]]); | |
| var svg = d3.select("#news").append("svg") | |
| .attr("width", width) | |
| .attr("height", height); | |
| var path = svg.append("g").selectAll("path"); | |
| svg.append("image") | |
| .attr("xlink:href", "https://dl.dropboxusercontent.com/u/17949100/prDataMeetup/wilson-1.png") | |
| .attr("width", width) | |
| .attr("height", height) | |
| .style('opacity',0.25); | |
| redraw(); | |
| function redraw() { | |
| V = voronoi(vertices); | |
| for(var k = 0; k < 100; k += 1){ | |
| svg.append("path") | |
| .attr("d", polygon(V[k])) | |
| .style('opacity',0.75) | |
| .on('mouseover', function() { | |
| d3.select(this) | |
| .style('fill', '#0F0') | |
| .style('opacity',0.75); | |
| }) | |
| .on('mouseout', function() { | |
| d3.select(this) | |
| .style('fill', '#000') | |
| .style('opacity',0.75); | |
| }) | |
| .on('click', function() { | |
| d3.select(this) | |
| .style('fill', '#000') | |
| .style('opacity',0.75); | |
| }); | |
| } | |
| } | |
| function polygon(d) { | |
| return "M" + d.join("L") + "Z"; | |
| } | |
| </script> | |
| </body> |
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