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bar_chart_interactive.html
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bar_chart_interactive.html
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<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="utf-8">
<title>D3: Bar chart Interactivity</title>
<script type="text/javascript" src="../d3/d3.js"></script>
<style type="text/css">
rect {
-moz-transition: all 0.3s;
-o-transition: all 0.3s;
-webkit-transition: all 0.3s;
transition: all 0.3s;
}
rect:hover {
fill: orange;
}
</style>
</head>
</head>
<body>
<script type="text/javascript">
//Width and height
var w = 600;
var h = 250;
var dataset = [ 5, 10, 13, 19, 21, 25, 22, 18, 15, 13,
11, 12, 15, 20, 18, 17, 16, 18, 23, 25 ];
var xScale = d3.scale.ordinal()
.domain(d3.range(dataset.length))
.rangeRoundBands([0, w], 0.05);
var yScale = d3.scale.linear()
.domain([0, d3.max(dataset)])
.range([0, h]);
//Create SVG element
var svg = d3.select("body")
.append("svg")
.attr("width", w)
.attr("height", h);
// Sorting Bars function
var sortOrder = false;
var sortBars = function() {
//Flip sortOrder value
sortOrder = !sortOrder;
svg.selectAll("rect")
.sort(function(a, b) {
if (sortOrder) {
return d3.ascending(a, b);
} else {
return d3.descending(a, b);
}
})
.transition()
.delay(function(d, i) {
return i * 50;
})
.duration(1000)
.attr("x", function(d, i) {
return xScale(i);
});
// Add label transitions
};
//Create bars
svg.selectAll("rect")
.data(dataset)
.enter()
.append("rect")
.attr("x", function(d, i) {
return xScale(i);
})
.attr("y", function(d) {
return h - yScale(d);
})
.attr("width", xScale.rangeBand())
.attr("height", function(d) {
return yScale(d);
})
.attr("fill", function(d) {
return "rgb(0, 0, " + (d * 10) + ")";
})
.on("mouseover", function(d) {
//Get this bar's x/y values, then augment for the tooltip
var xPosition = parseFloat(d3.select(this).attr("x")) + xScale.rangeBand() /2;
var yPosition = parseFloat(d3.select(this).attr("y")) + 14;
//Create the tooltip label
svg.append("text")
.attr("id", "tooltip")
.attr("x", xPosition)
.attr("y", yPosition)
.attr("text-anchor", "middle")
.attr("font-family", "sans-serif")
.attr("font-size", "11px")
.attr("font-weight", "bold")
.attr("fill", "black")
.text(d);
})
.on("mouseout", function() {
//removing the tooltip
d3.select("#tooltip").remove();
})
.on("click", function() {
sortBars();
d3.select(this)
.text(function(d) {
return d;
})
.attr("x", function(d, i) {
return xScale(i) + xScale.rangeBand() / 2;
})
.attr("y", function(d) {
return h - yScale(d) + 14;
})
});
// //Create labels
// svg.selectAll("text")
// .data(dataset)
// .enter()
// .append("text")
// .text(function(d) {
// return d;
// })
// .attr("text-anchor", "middle")
// .attr("x", function(d, i) {
// return xScale(i) + xScale.rangeBand() / 2;
// })
// .attr("y", function(d) {
// return h - yScale(d) + 14;
// })
// .attr("font-family", "sans-serif")
// .attr("font-size", "11px")
// .attr("fill", "white");
</script>
</body>
</html>