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我正在修改此代码https://github.com/jasondavies/d3-cloud以显示json文件中的“关键字”。我的问题: 如何连接json文件以显示关键字标签? 是否可以突出更常见的单词(比如大字体)?d3.js文字云从json加载数据
谢谢你们!
的index.html
<!DOCTYPE html>
<meta charset="utf-8">
<body>
<script src="../lib/d3/d3.js"></script>
<script src="../d3.layout.cloud.js"></script>
<script>
var fill = d3.scale.category20();
d3.layout.cloud().size([300, 300])
.words([
"Hello", "world", "normally", "you", "want", "more", "words",
"than", "this"].map(function(d) {
return {text: d, size: 10 + Math.random() * 90};
}))
.padding(5)
.rotate(function() { return ~~(Math.random() * 2) * 90; })
.font("Impact")
.fontSize(function(d) { return d.size; })
.on("end", draw)
.start();
function draw(words) {
d3.select("body").append("svg")
.attr("width", 300)
.attr("height", 300)
.append("g")
.attr("transform", "translate(150,150)")
.selectAll("text")
.data(words)
.enter().append("text")
.style("font-size", function(d) { return d.size + "px"; })
.style("font-family", "Impact")
.style("fill", function(d, i) { return fill(i); })
.attr("text-anchor", "middle")
.attr("transform", function(d) {
return "translate(" + [d.x, d.y] + ")rotate(" + d.rotate + ")";
})
.text(function(d) { return d.text; });
}
</script>
pub.json
{"pub":[
{
"citationKey":"Smuc_HCV2012",
"entryType":"inbook",
"entryTags": {
"title":"How do you connect moving dots? Insights from user studies on Dynamic Network Visualizations",
"booktitle":"Handbook of Human Centric Visualization",
"year":"2013",
"pages":"623-650",
"publisher":"Springer",
"organization":"Springer",
"location":"New York, USA",
"isbn":"978-1-4614-7484-5",
"doi":"10.1007/978-1-4614-7485-2_25",
"type":"Awesome Reports",
"author":"muc, Michael and Federico, Paolo and Windhager, Florian and Aigner, Wolfgang and Zenk, Lukas and Miksch, Silvia",
"editor":"Huang, Weidong"
"keywords":"Data Mining, KDD, Pattern Finding, Time-Oriented Data, Visual analytics"
}
},
{
"citationKey":"Schratt_2009_IKE-TR-2009-02_UmfragezuBusiness-Intelligence-Weiterbildung",
"entryType":"incollection",
"entryTags": {
"title":"Umfrage zu Business-Intelligence-Weiterbildung",
"number":"IKE-TR-2009-02",
"year":"2009",
"publisher":"Danube University Krems",
"type":"Technical Reports",
"author":"Schratt, Alexander and Aigner, Wolfgang"
"keywords":"Data Mining, Interactive Visualization, KDD, Pattern Finding, temporal data mining, Time-Oriented Data, Visual analytics"
}
}
]
}