[英]d3 Donut chart does not render
我正在嘗試執行http://bl.ocks.org/mbostock/3887193引用的甜甜圈圖。 當我執行它時,圖表不會呈現,並且顯示空白頁。請幫助。 兩天后我的頭了。 感謝幫助。
<apex:includeScript value="{!URLFOR($Resource.jquery1)}"/>
<apex:includeScript value="{!URLFOR($Resource.D3)}"/>
<apex:includeScript value="{!URLFOR($Resource.nvD3)}"/>
<apex:includeScript value="{!URLFOR($Resource.data)}"/>
<!--<script src="https://ajax.googleapis.com/ajax/libs/jquery/1.10.2/jquery.min.js"></script>
<script src="https://cdnjs.cloudflare.com/ajax/libs/d3/3.3.3/d3.min.js"></script>
<script src="https://cdnjs.cloudflare.com/ajax/libs/nvd3/1.0.0-beta/nv.d3.min.js"></script> -->
<script>
var width = 960,
height = 500,
radius = Math.min(width, height) / 2;
var color = d3.scale.ordinal()
.range(["#98abc5", "#8a89a6", "#7b6888", "#6b486b", "#a05d56", "#d0743c", "#ff8c00"]);
var arc = d3.svg.arc()
.outerRadius(radius - 10)
.innerRadius(0);
var pie = d3.layout.pie().sort(null)
.x(function(d){return d.age;});
.y(function(d){return d.population;});
var svg = d3.select("body").append("svg")
.attr("width", width)
.attr("height", height)
.append("g")
.attr("transform", "translate(" + width / 2 + "," + height / 2 + ")");
d3.csv("data.csv", function(error, data) {
console.log(data);
data.forEach(function(d) {
if (isNaN(+d.age)) console.log(d.population);
d.age = +d.age;
d.population = +d.population;
});
var g = svg.selectAll(".arc")
.data(pie(data))
.enter().append("g")
.attr("class", "arc");
g.append("path")
.attr("d", arc)
.style("fill", function(d) { return color(d.data.age); });
g.append("text")
.attr("transform", function(d) { return "translate(" + arc.centroid(d) + ")"; })
.attr("dy", ".35em")
.style("text-anchor", "middle")
.text(function(d) { return d.data.age; });
});
</script>
</apex:page>
首先,您應該檢查對d3-library的引用,我在那里出現錯誤。 嘗試使用
<script src="http://d3js.org/d3.v3.min.js" type="text/javascript"></script>
其次,必須將body-div放在腳本之前,因此代碼的開始應類似於
<div id="body" height="50%" width="500px" ></div>
<script>
var width = 960,
height = 500,
radius = Math.min(width, height) / 2;
//...and so on
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