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我有splineweb圖表，劇情圖在特定的值。網格線interploation用作圓。在這種情況下，默認情況下，提供的標籤顯示的距離圖線（圖表的左上角）很遠。蜘蛛網圖圓形網格線插值：標籤看起來離Plotline很遠
我怎樣才能始終在中心或特定位置的情節線圈顯示標籤，而無需手動計算x和y點。
參見例如：http://jsfiddle.net/2862pqma/4/
Highcharts.chart('container', {
chart: {
polar: true,
type: 'line'
},
title: {
text: 'Budget vs spending',
x: -80
},
pane: {
size: '80%'
},
xAxis: {
categories: ['Sales', 'Marketing', 'Development', 'Customer Support',
'Information Technology', 'Administration'
],
tickmarkPlacement: 'on',
lineWidth: 0
},
yAxis: {
gridLineInterpolation: 'circle',
lineWidth: 0,
min: 0,
plotLines: [{
value: 35000,
width: 2,
dashStyle: "Solid",
color: "red",
label: {
text: "Line Marker",
style: {
color: "red"
}
}
}]
},
tooltip: {
shared: true,
pointFormat: '<span style="color:{series.color}">{series.name}: <b>${point.y:,.0f}</b><br/>'
},
legend: {
align: 'right',
verticalAlign: 'top',
y: 70,
layout: 'vertical'
},
series: [{
name: 'Allocated Budget',
data: [43000, 19000, 60000, 35000, 17000, 10000],
pointPlacement: 'on'
}, ]
});<script src="https://code.jquery.com/jquery-3.1.1.min.js"></script>
<script src="https://code.highcharts.com/highcharts.js"></script>
<script src="https://code.highcharts.com/highcharts-more.js"></script>
<script src="https://code.highcharts.com/modules/exporting.js"></script>
<div id="container" style="min-width: 400px; max-width: 600px; height: 400px; margin: 0 auto"></div>