我是js和D3的新手.我已经生成了各种热图,并希望使用D3的on.mouseover更改图块的颜色.我可以明确地更改颜色但是想要使用CSS活动规则.可能很容易修复.任何帮助将不胜感激.完整代码如下.
谢谢.
<!DOCTYPE html>
<meta charset="utf-8">
<head>
<script src="http://d3js.org/d3.v3.min.js"></script>
<script src="http://ajax.googleapis.com/ajax/libs/jquery/1.7.1/jquery.min.js"></script>
<title>MJ-Heatmap</title>
<header>
<H1>Country By District_Port_Nme Heatmap</H1>
<p></p>
</header>
<style>
body {
font: 10px sans-serif;
}
.label {
font-weight: bold;
}
.tile {
shape-rendering: crispEdges;
}
.axis path,
.axis line {
fill: none;
stroke: #000;
shape-rendering: crispEdges;
}
<!-- CSS active state not working -- >
.tile active {
fill: red;
}
</style>
</head>
<body>
<script type="text/javascript">
var buckets = [
{country:"Brazil", distrinct_port_nme:"Baltimore, Maryland", sum_teu: 2, sum_weight: 18585, count_shipments: 1}, …