0

不知道如何措辞，但这里有。

我希望我的 X 轴间隔 1 天，但是，我希望天之间的实际绘图点间隔 5 分钟。我该怎么做呢？既然有这么多情节点，我确定我需要某种水平滚动选项吗？现在我的图表是如此紧凑！

注意：每个绘图点都是从早上 7 点开始到晚上 11 点结束的 5 分钟时间间隔

代码如下：

  $(function () {
       $('#container').highcharts({
          chart: {
            type: 'spline'
        },
        credits: {
        text: 'XML Feed',
        href: 'utlfeed.aspx?campus=PR&room=B325'
      },
        title: {
            text:   'PR-B325 Room Utilization',
            x: -20 //center
        },
        subtitle: {
        text:   'Source: FreePC',
            x: -20
        },
        xAxis: {
            type: 'datetime',
            maxZoom: 14 * 24 * 3600000, // fourteen days
            tickInterval: 24 * 3600 * 1000
            // categories: ['Jan', 'Feb', 'Mar', 'Apr', 'May', 'Jun','Jul', 'Aug', 'Sep', 'Oct', 'Nov', 'Dec']
        },
        yAxis: {
            title: {
            text:   'Availability'
            },
            min: 0,
            plotLines: [{
                value: 0,
                width: 1,
                color:  '#808080'
            }]
        },
        tooltip: {
            valueSuffix:  ' PCs'
        },
        legend: {
                layout:  'vertical',
                align:  'right',
                verticalAlign:  'middle',
                borderWidth: 0
        },
        series: [{
            name:   'Available',
            color: '#00FF00',
            pointInterval: 24 * 3600 * 1000,
            pointStart: Date.UTC(2013, 9, 17),
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        }, {
            name:   'Unavailable',
            color: '#FF0000',
            pointInterval: 24 * 3600 * 1000,
            pointStart: Date.UTC(2013, 9, 17),
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        }]
    });
});

这是 jsFiddle 链接：http: //jsfiddle.net/gakca/

谢谢，大卫

4

1 回答 1

2

随意检查以下 jsFiddle，我根据您的 jsFiddle 做了一些更改。但不太确定它是否是你要找的东西。 http://jsfiddle.net/ethanph5/BC7Ks/2/

xAxis: {
    type: 'datetime',
    maxZoom: 7 * 24 * 3600000,
    tickInterval: 24 * 3600 * 1000,
    minTickInterval: 60 * 1000,
    minRange: 1800 * 1000
}

要获得更大的放大效果，您应该尝试minTickInterval并minRange查看最适合您需要的设置。

要将滚动条添加到 x 轴，以下是答案：如何启用 Highcharts 滚动条？和highcharts 滚动轴

主要变化是：

在 HTML 中：

<script src="http://code.highcharts.com/stock/highstock.js"></script>

在 Javascript 中：

scrollbar: {
    enabled: true
}

这是我更新的 jsFiddle：http: //jsfiddle.net/ethanph5/BC7Ks/3/

于 2013-10-22T22:27:47.437 回答