我可以在 d3.js 中绘制气泡图。此外,当我点击任何圈子时,我都会收到警报消息。但是当我点击圈外区域时,我仍然收到警报消息。我不希望在我的圈子包之外有任何可点击的区域。请帮忙。在这里查看我的示例。
数据.json
{
"chartData": [
{
"name": "Type1",
"size": 12,
"color": "red"
},
{
"name": "Type2",
"size": 28,
"color": "yellow"
},
{
"name": "Type3",
"size": 36,
"color": "blue"
},
{
"name": "Type4",
"size": 24,
"color": "green"
}
]
}
var diameter = 450,
format = d3.format(",d"),
color = d3.scale.category20c();
var bubble = d3.layout.pack()
.sort(null)
.size([diameter, diameter]);
var svg = d3.select('#bubbleId').append("svg")
.attr("width", diameter)
.attr("height", diameter)
.attr("class", "bubble");
d3.json("data.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("circle")
.attr("r", function(d) { return d.value; })
.style("fill", function(d) { return d.color;});
node.on("click", function(d) {
alert("on click" + d.className);
});
function classes(root) {
var classes = [];
function recurse(name, node) {
if (node.chartData) {
node.chartData.forEach(function(child) {
recurse(node.name, child);
});
}
else{
classes.push({ packageName: name,
className: node.name,
value: node.size,
color: node.color,
totalCount:node.totalCount});
}
}
recurse(null, root);
return {children: classes};
}