Javascript 我正在制作一个d3.js图形作为csv文件,我应该如何操作数据?
这是我的密码Javascript 我正在制作一个d3.js图形作为csv文件,我应该如何操作数据?,javascript,d3.js,Javascript,D3.js,这是我的密码 d3.csv("/static/domain.csv", function(error, data) { dataset=data var diameter = 800; var format = d3.format(",d"), color = d3.scaleOrdinal(d3.schemeSet3) var bubble = d3.pack(dataset)
d3.csv("/static/domain.csv", function(error, data) {
dataset=data
var diameter = 800;
var format = d3.format(",d"),
color = d3.scaleOrdinal(d3.schemeSet3)
var bubble = d3.pack(dataset)
.size([diameter, diameter])
.padding(1.5);
var svg = d3.select("body")
.append("svg")
.attr("width", diameter)
.attr("height", diameter)
.attr("class", "bubble");
var nodes = d3.hierarchy(dataset)
.sum(function(d) { return d.Count; });
var node = svg.selectAll(".node")
.data(bubble(nodes).descendants())
.enter()
.filter(function(d){
return !d.children
})
.append("g")
.attr("class", "node")
.attr("transform", function(d) {
return "translate(" + d.x + "," + d.y + ")";
});
node.append("title")
.text(function(d) {
return d.Name + ": " + d.Count;
});
node.append("circle")
.attr("r", function(d) {
return d.r;
})
.style("fill", function(d,i) {
return color(i);
});
node.append("text")
.attr("dy", ".2em")
.style("text-anchor", "middle")
.text(function(d) {
return d.data.Name.substring(0, d.r / 3);
})
.attr("font-family", "sans-serif")
.attr("font-size", function(d){
return d.r/5;
})
.attr("fill", "white");
node.append("text")
.attr("dy", "1.3em")
.style("text-anchor", "middle")
.text(function(d) {
return d.data.Count;
})
.attr("font-family", "Gill Sans", "Gill Sans MT")
.attr("font-size", function(d){
return d.r/5;
})
.attr("fill", "white");
d3.select(self.frameElement)
.style("height", diameter + "px");
});
我犯了个错误
visiteddomain.js:52未捕获(承诺中)类型错误:无法读取
未定义的属性“substring”
在SVGTextElement。(visiteddomain.js:52)
在SVGTextElement。(d3.v6.min.js:2)
在xn.each(d3.v6.min.js:2)
在xn.text(d3.v6.min.js:2)
在visiteddomain.js:51
在d3.v6.min.js:2
在d3.v6.min.js:2
在r(d3.v6.min.js:2)
解析时(d3.v6.min.js:2)
在d3.v6.min.js:2
原始数据集如下所示
dataset = {
"children": [{"Name":"Olives","Count":4319},
{"Name":"Tea","Count":4159},
{"Name":"Mashed Potatoes","Count":2583},
{"Name":"Boiled Potatoes","Count":2074},
{"Name":"Milk","Count":1894},
{"Name":"Chicken Salad","Count":1809},
{"Name":"Vanilla Ice Cream","Count":1713},
{"Name":"Cocoa","Count":1636},
{"Name":"Lettuce Salad","Count":1566},
{"Name":"Lobster Salad","Count":1511},
{"Name":"Chocolate","Count":1489},
{"Name":"Apple Pie","Count":1487},
{"Name":"Orange Juice","Count":1423},
{"Name":"American Cheese","Count":1372},
{"Name":"Green Peas","Count":1341},
{"Name":"Assorted Cakes","Count":1331},
{"Name":"French Fried Potatoes","Count":1328},
{"Name":"Potato Salad","Count":1306},
{"Name":"Baked Potatoes","Count":1293},
{"Name":"Roquefort","Count":1273},
{"Name":"Stewed Prunes","Count":1268}]
};
和我的csv文件
,Name,Count
0,google.com,43
1,stackoverflow.com,20
2,tistory.com,12
3,github.com,11
4,observablehq.com,10
5,ocks.org,8
6,youtube.com,6
7,okky.kr,6
8,naver.com,5
9,plnkr.co,2
我认为你应该用
d.Name
替换d.data.Name
。与d.data.Count相同
我认为您应该用d.Name
替换d.data.Name
。与D3V6中的d.data.Count
相同,d3.csv(url,回调)
已被d3.csv(url)替换。然后(回调)
在D3V6中,d3.csv(url,回调)
已被d3.csv(url)替换。然后(回调)
。