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index.htm
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<!DOCTYPE html>
<html>
<head>
<script src="js/jquery-1.7.2.js" type="text/javascript" charset="utf-8"></script>
<script src="js/underscore.js" type="text/javascript" charset="utf-8"></script>
<script src="js/d3.v2.js" type="text/javascript" charset="utf-8"></script>
<script src="js/lastfm.api.md5.js" type="text/javascript" charset="utf-8"></script>
<script src="js/lastfm.api.js" type="text/javascript" charset="utf-8"></script>
<style type="text/css" media="screen">
.chart rect{
fill: #33F;
stroke: #FFF;
}
</style>
</head>
<body>
<span id="go_btn">Go</span>
<script type="text/javascript" charset="utf-8">
$(document).ready(function(){
var chart = d3.select('body').append('svg').attr('class','chart').attr('width',300).attr('height',300);
var x_scale = d3.scale.linear().range([0,chart.attr('width')]);
var data = [];
var lastfm = new LastFM({
apiKey : '3946d9652b2ec720e64817132b9a8caf',
apiSecret : '271a87784b4bf4b559deec1ecf13e9d9',
});
/* Load some artist info. */
lastfm.user.getTopArtists({user: 'captdat3', period:'overall'}, {success: function(data){
var max_count = parseInt( _.max( data.topartists.artist, function(r){ return parseInt(r.playcount);} ).playcount);
x_scale.domain([0,max_count]);
chart.attr('height',data.topartists.artist.length*20);
chart.selectAll('rect').data(data.topartists.artist).enter().append("rect")
.attr("y", function(d, i) { return i * 20; })
.attr("width", function(d){ return x_scale(parseInt(d.playcount)) } )
.attr("height", 20);
}, error: function(code, message){
debugger;
}});
$("#go_btn").click(function(){
console.log("hey");
chart;
chart.selectAll('rect').data([25,50,75,100]).transition().duration(1000).attr("width", x_scale);
return false;
});
});
</script>
</body>
</html>