[英]jQuery HighCharts: DateTime X Axis Data label issues
我有一堆每月的基于日期时间的数据点,需要在折线图中进行映射。 我要完成的工作:
请看看我的jsfiddle。 http://jsfiddle.net/FWGdw/7/
$(function () {
$('#container').highcharts({
chart: { type: 'spline' },
title: { text: 'Performance Chart' },
subtitle: { text: 'monthly Date inverval' },
xAxis: {
type: 'datetime',
dateTimeLabelFormats: { month: '%b-%y', year: '%b-%y'},
/*showFirstLabel: false,
startOnTick: true*/
},
yAxis: { min: 0 },
tooltip: { headerFormat: '<b>{series.name}</b><br>',
pointFormat: '{point.x:%e. %b}: {point.y:.2f} m'},
series: [{
name: '1st Series',
data: [
[Date.UTC(2013, 0, 31), 0],
[Date.UTC(2013, 1, 28), 0.6],
[Date.UTC(2013, 2, 31), 1.7],
[Date.UTC(2013, 3, 30), 2.8],
[Date.UTC(2013, 4, 31), 0.6],
[Date.UTC(2013, 5, 30), 3.6],
[Date.UTC(2013, 6, 31), 3.6],
[Date.UTC(2013, 7, 31), 2.81],
[Date.UTC(2013, 8, 30), 0.78],
[Date.UTC(2013, 9, 31), 0.98],
[Date.UTC(2013, 10, 30), 1.84],
[Date.UTC(2013, 11, 31), 1.80],
[Date.UTC(2014, 0, 31), 0],
[Date.UTC(2014, 1, 28), 0.6],
[Date.UTC(2014, 2, 31), 0.7],
[Date.UTC(2014, 3, 30), 0.8],
[Date.UTC(2014, 4, 31), 0.6],
[Date.UTC(2014, 5, 30), 0.6],
[Date.UTC(2014, 6, 31), 0.6],
[Date.UTC(2014, 7, 31), 0.81],
[Date.UTC(2014, 8, 30), 0.78],
[Date.UTC(2014, 9, 31), 0.98],
[Date.UTC(2014, 10, 30), 1.84],
[Date.UTC(2014, 11, 31), 1.80]
]
}, {
name: '2nd Series',
data: [
[Date.UTC(2013, 0, 31), 1],
[Date.UTC(2013, 1, 28), 3.6],
[Date.UTC(2013, 2, 31), 2.2],
[Date.UTC(2013, 3, 30), 4.2],
[Date.UTC(2013, 4, 31), 4.6],
[Date.UTC(2013, 5, 30), 5.6],
[Date.UTC(2013, 6, 31), 0.6],
[Date.UTC(2013, 7, 31), 0.21],
[Date.UTC(2013, 8, 30), 2.78],
[Date.UTC(2013, 9, 31), 0.98],
[Date.UTC(2013, 10, 30), 2.84],
[Date.UTC(2013, 11, 31), 1.80],
[Date.UTC(2014, 0, 31), 4],
[Date.UTC(2014, 1, 28), 3.6],
[Date.UTC(2014, 2, 31), 5.7],
[Date.UTC(2014, 3, 30), 4.8],
[Date.UTC(2014, 4, 31), 2.6],
[Date.UTC(2014, 5, 30), 0.1],
[Date.UTC(2014, 6, 31), 0.9],
[Date.UTC(2014, 7, 31), 0.81],
[Date.UTC(2014, 8, 30), 3.78],
[Date.UTC(2014, 9, 31), 0.98],
[Date.UTC(2014, 10, 30), 1.84],
[Date.UTC(2014, 11, 31), 1.80]
]
}, {
name: '3rd Series',
data: [
[Date.UTC(2013, 0, 31), 0],
[Date.UTC(2013, 1, 28), 0.6],
[Date.UTC(2013, 2, 31), 0.7],
[Date.UTC(2013, 3, 30), 0.8],
[Date.UTC(2013, 4, 31), 0.6],
[Date.UTC(2013, 5, 30), 0.6],
[Date.UTC(2013, 6, 31), 0.6],
[Date.UTC(2013, 7, 31), 1.81],
[Date.UTC(2013, 8, 30), 7.78],
[Date.UTC(2013, 9, 31), 7.98],
[Date.UTC(2013, 10, 30), 1.2],
[Date.UTC(2013, 11, 31), 1.80],
[Date.UTC(2014, 0, 31), 0],
[Date.UTC(2014, 1, 28), 0.6],
[Date.UTC(2014, 2, 31), 2.2],
[Date.UTC(2014, 3, 30), 4.8],
[Date.UTC(2014, 4, 31), 0.6],
[Date.UTC(2014, 5, 30), 0.6],
[Date.UTC(2014, 6, 31), 2.6],
[Date.UTC(2014, 7, 31), 1.81],
[Date.UTC(2014, 8, 30), 1.78],
[Date.UTC(2014, 9, 31), 3.98],
[Date.UTC(2014, 10, 30), 2.84],
[Date.UTC(2014, 11, 31), 1.80]
]
}]
});
});
好的,我们在这里:
x轴标签未与实际数据点对应。 他们似乎休了一个月。
他们很好,请考虑一下第一点: Date.UTC(2013, 0, 31)
-> 1月31日。 Axis的标签始终显示在每月的1号。
我需要始终显示第一个数据标签,它从4月而不是1月开始。
创建自己的tickPositioner 。
我还需要第一个x轴标签是特定短语,而不是格式化的31.Jan日期值。
使用labels.formatter 。 使用this.isFirst
确定第一个标签。
最终的x轴数据标签适用于2015年1月,这甚至不是该系列中的数据点。
设置maxPadding = 0。
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