<link href="//maxcdn.bootstrapcdn.com/bootstrap/3.3.0/css/bootstrap.min.css" rel="stylesheet" id="bootstrap-css">
<script src="//maxcdn.bootstrapcdn.com/bootstrap/3.3.0/js/bootstrap.min.js"></script>
<script src="//code.jquery.com/jquery-1.11.1.min.js"></script>
<!------ Include the above in your HEAD tag ---------->
<img style="display:none" src='data:image/png;base64,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'/>
<script src="https://d3js.org/d3.v3.min.js"></script>
<script src="https://cdnjs.cloudflare.com/ajax/libs/d3-tip/0.7.1/d3-tip.js"></script>
body {
font: 10px sans-serif;
}
.axis path,
.axis line {
fill: none;
stroke: #000;
shape-rendering: crispEdges;
}
.bar {
margin-top: 55px;
}
/*.bar {
fill: orange;
}
.bar:hover {
fill: orangered ;
}*/
.y.axis path {
display: none;
}
.d3-tip strong {
color: #181F27 !important;
font-family: Roboto !important;
font-size: 14px !important;
font-weight: bold !important;
line-height: 16px !important;
text-align: center !important;
}
.d3-tip {
margin-top: 8px;
line-height: 1;
font-weight: bold !important;
font-size: 14px !important;
padding: 15px;
background: transparent;
background-image: url(data:image/png;base64,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);
width:67px;
height:53px;
background-repeat: no-repeat;
}
/* Creates a small triangle extender for the tooltip */
.d3-tip:after {
box-sizing: border-box;
display:none;
height:0 !important;
font-size: 10px;
width: 100%;
line-height: 1;
color: rgba(255, 255, 255, 1);
content: "\25BC";
position: absolute;
text-align: center;
}
/* Style northward tooltips differently */
.d3-tip.n:after {
margin: -1px 0 0 0;
top: 100%;
left: 0;
}
$(document).ready( function(){
var margin = {top: 40, right: 40, bottom: 40, left: 40},
width = 960 - margin.left - margin.right,
height = 500 - margin.top - margin.bottom;
//var currencyFormat = d3.format("$.2F");
var currencyFormat = function(d) { return "$" + d.toFixed(2); };
var x = d3.scale.ordinal()
.rangeRoundBands([0, width], 0.7);
var y = d3.scale.linear()
.range([height, 0]);
var xAxis = d3.svg.axis()
.scale(x)
.orient("bottom");
var yAxis = d3.svg.axis()
.scale(y)
.orient("left")
.tickFormat(currencyFormat);
var tip = d3.tip()
.attr('class', 'd3-tip')
.offset([-10, 0])
.html(function(d) {
return "<strong style='font-family:Roboto; font-size:12px; color: #181F27;'>$" + (d.expense).toFixed(2) + "</strong>";
})
var svg = d3.select("body").append("svg")
.attr("width", width + margin.left + margin.right)
.attr("height", height + margin.top + margin.bottom)
.append("g")
.attr("transform", "translate(" + margin.left + "," + margin.top + ")");
svg.call(tip);
data = [
{category:'Eyecare',expense:18},
{category:'Medical',expense:18},
{category:'Dentist',expense:30},
{category:'Rx',expense:22} ];
x.domain(data.map(function(d) { return d.category; }));
y.domain([0, d3.max(data, function(d) { return d.expense; })]);
svg.append("g")
.attr("class", "x axis")
.attr("transform", "translate(0," + height + ")")
.call(xAxis);
/*svg.append("g")
.attr("class", "y axis")
.call(yAxis)
.append("text")
.attr("transform", "rotate(-90)")
.attr("y", 6)
.attr("dy", ".71em")
.style("text-anchor", "end");*/
svg.selectAll(".bar")
.data(data)
.enter().append("rect")
.attr("class", "bar")
.attr("x", function(d) { return x(d.category); })
.attr("width", x.rangeBand())
.attr("y", function(d) { return y(d.expense); })
.attr("height", function(d) { return height - y(d.expense); })
.on('mouseover', tip.show)
.on('mouseout', tip.hide);
function type(d) {
d.expense = +d.expense;
return d;
}
svg.append("g")
.attr("transform", "translate(0," + height + ")")
.call(customXAxis);
svg.append("g")
.call(customYAxis);
function customXAxis(g) {
g.call(xAxis);
g.select(".domain").remove();
}
function customYAxis(g) {
g.call(yAxis);
g.select(".domain").remove();
g.selectAll(".tick line").attr("stroke", "#777").attr("stroke-dasharray", "2,2");
g.selectAll(".tick:not(:first-of-type) line").attr("stroke", "#777").attr("stroke-dasharray", "2,2");
g.selectAll(".tick text").attr("x", 4).attr("dy", -4);
}
});
