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@kirantemojo
Created October 7, 2013 17:59
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D3 JS Simple Horizontal Bar chart
<!DOCTYPE html>
<html>
<head>
<title>Dsnap - Charts</title>
<style>
#xaxis .domain {
fill:none;
stroke:#000;
}
#xaxis text, #yaxis text {
font-size: 12px;
}
</style>
</head>
<body>
<div id="wrapper">
</div>
<script src="http://d3js.org/d3.v3.min.js" charset="utf-8"></script>
<script>
var categories= ['','Accessories', 'Audiophile', 'Camera & Photo', 'Cell Phones', 'Computers','eBook Readers','Gadgets','GPS & Navigation','Home Audio','Office Electronics','Portable Audio','Portable Video','Security & Surveillance','Service','Television & Video','Car & Vehicle'];
var dollars = [213,209,190,179,156,209,190,179,213,209,190,179,156,209,190,190];
var colors = ['#0000b4','#0082ca','#0094ff','#0d4bcf','#0066AE','#074285','#00187B','#285964','#405F83','#416545','#4D7069','#6E9985','#7EBC89','#0283AF','#79BCBF','#99C19E'];
var grid = d3.range(25).map(function(i){
return {'x1':0,'y1':0,'x2':0,'y2':480};
});
var tickVals = grid.map(function(d,i){
if(i>0){ return i*10; }
else if(i===0){ return "100";}
});
var xscale = d3.scale.linear()
.domain([10,250])
.range([0,722]);
var yscale = d3.scale.linear()
.domain([0,categories.length])
.range([0,480]);
var colorScale = d3.scale.quantize()
.domain([0,categories.length])
.range(colors);
var canvas = d3.select('#wrapper')
.append('svg')
.attr({'width':900,'height':550});
var grids = canvas.append('g')
.attr('id','grid')
.attr('transform','translate(150,10)')
.selectAll('line')
.data(grid)
.enter()
.append('line')
.attr({'x1':function(d,i){ return i*30; },
'y1':function(d){ return d.y1; },
'x2':function(d,i){ return i*30; },
'y2':function(d){ return d.y2; },
})
.style({'stroke':'#adadad','stroke-width':'1px'});
var xAxis = d3.svg.axis();
xAxis
.orient('bottom')
.scale(xscale)
.tickValues(tickVals);
var yAxis = d3.svg.axis();
yAxis
.orient('left')
.scale(yscale)
.tickSize(2)
.tickFormat(function(d,i){ return categories[i]; })
.tickValues(d3.range(17));
var y_xis = canvas.append('g')
.attr("transform", "translate(150,0)")
.attr('id','yaxis')
.call(yAxis);
var x_xis = canvas.append('g')
.attr("transform", "translate(150,480)")
.attr('id','xaxis')
.call(xAxis);
var chart = canvas.append('g')
.attr("transform", "translate(150,0)")
.attr('id','bars')
.selectAll('rect')
.data(dollars)
.enter()
.append('rect')
.attr('height',19)
.attr({'x':0,'y':function(d,i){ return yscale(i)+19; }})
.style('fill',function(d,i){ return colorScale(i); })
.attr('width',function(d){ return 0; });
var transit = d3.select("svg").selectAll("rect")
.data(dollars)
.transition()
.duration(1000)
.attr("width", function(d) {return xscale(d); });
var transitext = d3.select('#bars')
.selectAll('text')
.data(dollars)
.enter()
.append('text')
.attr({'x':function(d) {return xscale(d)-200; },'y':function(d,i){ return yscale(i)+35; }})
.text(function(d){ return d+"$"; }).style({'fill':'#fff','font-size':'14px'});
</script>
</body>
</html>
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