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02_bar_css_fills.html
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02_bar_css_fills.html
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<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="utf-8">
<title>D3: Using CSS for fills</title>
<script type="text/javascript" src="d3.js"></script>
<style type="text/css">
body {
background-color: gray;
}
svg {
background-color: white;
}
/* Now set fills with CSS! */
svg rect {
fill: SteelBlue;
}
.axis path,
.axis line {
fill: none;
stroke: black;
shape-rendering: crispEdges;
}
.axis text {
font-family: sans-serif;
font-size: 11px;
}
</style>
</head>
<body>
<script type="text/javascript">
//Width, height, padding
var w = 600;
var h = 250;
var padding = 25;
//Array of dummy data values
var dataset = [ 5, 10, 13, 19, 21, 25, 22, 18, 15, 13,
11, 12, 15, 20, 18, 17, 16, 18, 23, 25 ];
//Configure x and y scale functions
var xScale = d3.scale.ordinal()
.domain(d3.range(dataset.length))
.rangeRoundBands([ padding, w - padding ], 0.05);
var yScale = d3.scale.linear()
.domain([ 0, d3.max(dataset) ])
.rangeRound([ h - padding, padding ]);
//Configure y axis generator
var yAxis = d3.svg.axis()
.scale(yScale)
.orient("left")
.ticks(5);
//Create SVG element
var svg = d3.select("body")
.append("svg")
.attr("width", w)
.attr("height", h);
//Create bars
svg.selectAll("rect")
.data(dataset)
.enter()
.append("rect")
.attr("x", function(d, i) {
return xScale(i);
})
.attr("y", function(d) {
return yScale(d);
})
.attr("width", xScale.rangeBand())
.attr("height", function(d) {
return h - padding - yScale(d);
});
//Removed setting "fill" attribute here!
//It's covered with CSS above instead.
//Create y axis
svg.append("g")
.attr("class", "axis")
.attr("transform", "translate(" + padding + ",0)")
.call(yAxis);
</script>
</body>
</html>