好的,我们走吧。
我与Reveal.js & D3.js一个基本的例子,而且运作良好。
- 有两个幻灯片
- 第一张幻灯片包含条形图
- 第二滑通过从JSON输入文件以数据呈现气泡图
你的代码工作正常如果放在以外的分区在底部。我已经将所有D3.js代码放在html页面的末尾,然后再靠近身体。
的文件夹结构显示下方(快照)
我放在HTML里面我的JS(为了更容易地读/领悟)
<!doctype html>
<html lang="en">
<head>
<meta charset="utf-8">
<title>Reveal.js with D3 JS</title>
<link rel="stylesheet" href="css/reveal.min.css">
<link rel="stylesheet" href="css/theme/default.css" id="theme">
<style>
.chart rect {
fill: #63b6db;
}
.chart text {
fill: white;
font: 10px sans-serif;
text-anchor: end;
}
text {
font: 10px sans-serif;
}
</style>
</head>
<body>
<div class="reveal">
<div class="slides">
<section>
<h2>Barebones Presentation</h2>
<p>This example contains the bare minimum includes and markup required to run a reveal.js presentation.</p>
<svg class="chart"></svg>
</section>
<section id="sect2">
<h2>No Theme</h2>
<p>There's no theme included, so it will fall back on browser defaults.</p>
<svg class="bubleCharts"></svg>
</section>
</div>
</div>
<script src="js/reveal.min.js"></script>
<script>
Reveal.initialize();
</script>
<script src="js/d3.min.js"></script>
<script type="text/javascript">
//------ code to show D3 Bar Chart on First Slide-------
var data = [44, 28, 15, 16, 23, 5];
var width = 420,
barHeight = 20;
var x = d3.scale.linear()
.domain([0, d3.max(data)])
.range([0, width]);
var chart = d3.select(".chart")
.attr("width", width)
.attr("height", barHeight * data.length);
var bar = chart.selectAll("g")
.data(data)
.enter().append("g")
.attr("transform", function(d, i) { return "translate(0," + i * barHeight + ")"; });
bar.append("rect")
.attr("width", x)
.attr("height", barHeight - 1);
bar.append("text")
.attr("x", function(d) { return x(d) - 3; })
.attr("y", barHeight/2)
.attr("dy", ".35em")
.text(function(d) { return d; });
//---Code below will show Bubble Charts on the secon Slide -------
var diameter = 560,
format = d3.format(",d"),
color = d3.scale.category20c();
var bubble = d3.layout.pack()
.sort(null)
.size([diameter, diameter])
.padding(1.5);
var svg = d3.select(".bubleCharts")
.attr("width", diameter)
.attr("height", diameter)
.attr("class", "bubble");
d3.json("flare.json", function(error, root) {
var node = svg.selectAll(".node")
.data(bubble.nodes(classes(root))
.filter(function(d) { return !d.children; }))
.enter().append("g")
.attr("class", "node")
.attr("transform", function(d) { return "translate(" + d.x + "," + d.y + ")"; });
node.append("title")
.text(function(d) { return d.className + ": " + format(d.value); });
node.append("circle")
.attr("r", function(d) { return d.r; })
.style("fill", function(d) { return color(d.packageName); });
node.append("text")
.attr("dy", ".3em")
.style("text-anchor", "middle")
.text(function(d) { return d.className.substring(0, d.r/3); });
});
// Returns a flattened hierarchy containing all leaf nodes under the root.
function classes(root) {
var classes = [];
function recurse(name, node) {
if (node.children) node.children.forEach(function(child) { recurse(node.name, child); });
else classes.push({packageName: name, className: node.name, value: node.size});
}
recurse(null, root);
return {children: classes};
}
d3.select(self.frameElement).style("height", diameter + "px");
</script>
</body>
</html>
输出/结果
幻灯片1
幻灯片2
下载完整的代码https://github.com/aahad/D3.js/tree/master/Reveal JS with D3 JS
要了解更多有关条形图或气泡图码是如何工作:检查以下内容:
您也可以看看这里的https: //github.com/hakimel/reveal.js/issues/456 这个问题给出了同样的答案。 – zipp
最终,如果您有很多大型svg图形动画,这仍然可能会使客户端过载。有没有办法在离开当前幻灯片时来回切换幻灯片来清除svg? – Pierre