如何创建一条线以在条形图中显示阈值 [英] How to create a line to show threshold in bar graph

问题描述

我正在使用flot创建类似

I am using flot to create bar charts like

例如，我需要指定一个阈值，例如750(y轴)上的一条线，以显示限制... flot包中有一个jquery.flot.threshold.js文件，但我不知道如何在条形图上使用它.

I need to specify a threshold like a line at 750(y axis) for example, to show the limit... there is one jquery.flot.threshold.js file in flot package, but i dont know how to use it on bar charts.How to do it ?

推荐答案

似乎有

Seems there was some issues with using the threshold plugin with the current flot release version. If you just want to mark a threshold, it might be easier to use the grid markings option:

$.plot($("#placeholder"), [ d1, d2, d3 ], {
    series: {
        stack: true,      
        bars: { show: true, barWidth: 0.6 }
    },
    grid: {
           markings: [ { xaxis: { from: 0, to: 12 }, yaxis: { from: 0, to: 20 }, color: "#6D7B8D" }]
        }
});

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