我正在将d3树图的版本3转换为版本5。收到错误消息“ treemap.nodes不是函数”。我进行了一些更改，但是在某些步骤之后，我陷入了困境，我要为同一https://jsfiddle.net/amirhussain930/vygr4Ljo/2/共享我的jsfiddle链接。谁能帮助我解决错误？还是他们的v5树状图可用？预先感谢。
<html>
<head>
<meta charset="utf-8">
<title>Zoomable treemap template</title>
<style>
#chart {
background: #fff;
font-family: "Helvetica Neue", Helvetica, Arial, sans-serif;
}
.title {
font-weight: bold;
font-size: 24px;
text-align: center;
margin-top: 6px;
margin-bottom: 6px;
}
text {
pointer-events: none;
}
.grandparent text {
font-weight: bold;
}
rect {
fill: none;
stroke: #fff;
}
rect.parent,
.grandparent rect {
stroke-width: 2px;
}
rect.parent {
pointer-events: none;
}
.grandparent rect {
fill: orange;
}
.grandparent:hover rect {
fill: #ee9700;
}
.children rect.parent,
.grandparent rect {
cursor: pointer;
}
.children rect.parent {
fill: #bbb;
fill-opacity: .5;
}
.children:hover rect.child {
fill: #bbb;
}
</style>
</head>
<body>
<div id="chart"></div>
<script src="https://code.jquery.com/jquery-1.7.2.min.js"></script>
<script src="https://d3js.org/d3.v5.min.js"></script>
<script>
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{
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{
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"value": 37964000
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{
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"value": 534189
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{
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"region": "Europe",
"subregion": "Northern Europe",
"value": 2655
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{
"key": "Swaziland",
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"subregion": "Southern Africa",
"value": 1250000
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{
"key": "Sweden",
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"subregion": "Northern Europe",
"value": 9625444
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{
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"value": 8085300
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{
"key": "Syria",
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"subregion": "Western Asia",
"value": 21898000
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{
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"value": 8000000
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{
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"value": 44928923
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{
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{
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{
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{
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{
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{
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{
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{
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{
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"subregion": "Northern America",
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{
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"subregion": "Caribbean",
"value": 106405
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{
"key": "Uruguay",
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"subregion": "South America",
"value": 3286314
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{
"key": "Uzbekistan",
"region": "Asia",
"subregion": "Central Asia",
"value": 30183400
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{
"key": "Vanuatu",
"region": "Oceania",
"subregion": "Melanesia",
"value": 264652
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{
"key": "Venezuela",
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"value": 28946101
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{
"key": "Vietnam",
"region": "Asia",
"subregion": "South-Eastern Asia",
"value": 90388000
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{
"key": "Wallis and Futuna",
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"subregion": "Polynesia",
"value": 13135
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{
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"value": 567000
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{
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{
"key": "Zambia",
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{
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"subregion": "Eastern Africa",
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}
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function main(o, data) {
var root,
opts = $.extend(true, {}, defaults, o),
formatNumber = d3.format(opts.format),
rname = opts.rootname,
margin = opts.margin,
theight = 36 + 16;
$('#chart').width(opts.width).height(opts.height);
var width = opts.width - margin.left - margin.right,
height = opts.height - margin.top - margin.bottom - theight,
transitioning;
var color = d3.scaleOrdinal(d3.schemeCategory10);
var x = d3.scaleLinear()
.domain([0, width])
.range([0, width]);
var y = d3.scaleLinear()
.domain([0, height])
.range([0, height]);
var treemap = d3.treemap()
.size([width, height])
.paddingInner(0)
.round(false);
var svg = d3.select("#chart").append("svg")
.attr("width", width + margin.left + margin.right)
.attr("height", height + margin.bottom + margin.top)
.style("margin-left", -margin.left + "px")
.style("margin.right", -margin.right + "px")
.append("g")
.attr("transform", "translate(" + margin.left + "," + margin.top + ")")
.style("shape-rendering", "crispEdges");
var grandparent = svg.append("g")
.attr("class", "grandparent");
grandparent.append("rect")
.attr("y", -margin.top)
.attr("width", width)
.attr("height", margin.top);
grandparent.append("text")
.attr("x", 6)
.attr("y", 6 - margin.top)
.attr("dy", ".75em");
if (opts.title) {
$("#chart").prepend("<p class='title'>" + opts.title + "</p>");
}
if (data instanceof Array) {
root = { key: rname, values: data };
} else {
root = data;
}
initialize(root);
accumulate(root);
layout(root);
console.log(root);
display(root);
if (window.parent !== window) {
var myheight = document.documentElement.scrollHeight || document.body.scrollHeight;
window.parent.postMessage({height: myheight}, '*');
}
function initialize(root) {
root.x = root.y = 0;
root.dx = width;
root.dy = height;
root.depth = 0;
}
function accumulate(d) {
return (d._children = d.values)
? d.value = d.values.reduce(function(p, v) { return p + accumulate(v); }, 0)
: d.value;
}
function layout(d) {
if (d._children) {
treemap.nodes({_children: d._children});
d._children.forEach(function(c) {
c.x = d.x + c.x * d.dx;
c.y = d.y + c.y * d.dy;
c.dx *= d.dx;
c.dy *= d.dy;
c.parent = d;
layout(c);
});
}
}
function display(d) {
grandparent
.datum(d.parent)
.on("click", transition)
.select("text")
.text(name(d));
var g1 = svg.insert("g", ".grandparent")
.datum(d)
.attr("class", "depth");
var g = g1.selectAll("g")
.data(d._children)
.enter().append("g");
g.filter(function(d) { return d._children; })
.classed("children", true)
.on("click", transition);
var children = g.selectAll(".child")
.data(function(d) { return d._children || [d]; })
.enter().append("g");
children.append("rect")
.attr("class", "child")
.call(rect)
.append("title")
.text(function(d) { return d.key + " (" + formatNumber(d.value) + ")"; });
children.append("text")
.attr("class", "ctext")
.text(function(d) { return d.key; })
.call(text2);
g.append("rect")
.attr("class", "parent")
.call(rect);
var t = g.append("text")
.attr("class", "ptext")
.attr("dy", ".75em")
t.append("tspan")
.text(function(d) { return d.key; });
t.append("tspan")
.attr("dy", "1.0em")
.text(function(d) { return formatNumber(d.value); });
t.call(text);
g.selectAll("rect")
.style("fill", function(d) { return color(d.key); });
function transition(d) {
if (transitioning || !d) return;
transitioning = true;
var g2 = display(d),
t1 = g1.transition().duration(750),
t2 = g2.transition().duration(750);
x.domain([d.x, d.x + d.dx]);
y.domain([d.y, d.y + d.dy]);
svg.style("shape-rendering", null);
svg.selectAll(".depth").sort(function(a, b) { return a.depth - b.depth; });
g2.selectAll("text").style("fill-opacity", 0);
t1.selectAll(".ptext").call(text).style("fill-opacity", 0);
t1.selectAll(".ctext").call(text2).style("fill-opacity", 0);
t2.selectAll(".ptext").call(text).style("fill-opacity", 1);
t2.selectAll(".ctext").call(text2).style("fill-opacity", 1);
t1.selectAll("rect").call(rect);
t2.selectAll("rect").call(rect);
t1.remove().each("end", function() {
svg.style("shape-rendering", "crispEdges");
transitioning = false;
});
}
return g;
}
function text(text) {
text.selectAll("tspan")
.attr("x", function(d) { return x(d.x) + 6; })
text.attr("x", function(d) { return x(d.x) + 6; })
.attr("y", function(d) { return y(d.y) + 6; })
.style("opacity", function(d) { return this.getComputedTextLength() < x(d.x + d.dx) - x(d.x) ? 1 :
0; });
}
function text2(text) {
text.attr("x", function(d) { return x(d.x + d.dx) - this.getComputedTextLength() - 6; })
.attr("y", function(d) { return y(d.y + d.dy) - 6; })
.style("opacity", function(d) { return this.getComputedTextLength() < x(d.x + d.dx) - x(d.x) ? 1 :
0; });
}
function rect(rect) {
rect.attr("x", function(d) { return x(d.x); })
.attr("y", function(d) { return y(d.y); })
.attr("width", function(d) { return x(d.x + d.dx) - x(d.x); })
.attr("height", function(d) { return y(d.y + d.dy) - y(d.y); });
}
function name(d) {
return d.parent
? name(d.parent) + " / " + d.key + " (" + formatNumber(d.value) + ")"
: d.key + " (" + formatNumber(d.value) + ")";
}
}
if (window.location.hash === "") {
var data = d3.nest().key(function(d) { return d.region; }).key(function(d) { return d.subregion;
}).entries(dataset);
main({title: "World Population"}, {key: "World", values: data});
}
</script>
</body>
</html>