Highcharts 对数轴图表
以下是对数图表的示例。
我们已经在Highcharts 配置语法一章中看到了用于绘制图表的配置。现在，让我们讨论一个对数图的例子。
配置
将 yAxis.type 配置为"对数"。它定义了轴的类型。选项是"线性"、"对数"、"日期时间"或"类别"。这里，默认值是线性的。
y轴
var yAxis = {
type: 'logarithmic',
minorTickInterval: 0.1
};
示例
highcharts_line_logarithmic.htm
<html>
<head>
<title>Highcharts Tutorial</title>
<script src = "https://ajax.googleapis.com/ajax/libs/jquery/2.1.3/jquery.min.js">
</script>
<script src = "https://code.highcharts.com/highcharts.js"></script>
</head>
<body>
<div id = "container" style = "width: 550px; height: 400px; margin: 0 auto"></div>
<script language = "JavaScript">
$(document).ready(function() {
var title = {
text: 'Logarithmic axis demo'
};
var xAxis = {
tickInterval: 1
};
var yAxis = {
type: 'logarithmic',
minorTickInterval: 0.1
};
var tooltip = {
headerFormat: '<b>{series.name}</b><br>',
pointFormat: 'x = {point.x}, y = {point.y}'
};
var plotOptions = {
spline: {
marker: {
enabled: true
}
}
};
var series = [{
name: 'data',
data: [1, 2, 4, 8, 16, 32, 64, 128, 256, 512],
pointStart: 1
}];
var json = {};
json.title = title;
json.tooltip = tooltip;
json.xAxis = xAxis;
json.yAxis = yAxis;
json.series = series;
json.plotOptions = plotOptions;
$('#container').highcharts(json);
});
</script>
</body>
</html>
