How to alter the background color of HighCharts?

I'm struggling to figure this out.

Trying to modify the background color of a highcharts chart. Here's the link:

http://jsfiddle.net/gh/get/jquery/1.7.2/highslide-software/highcharts.com/tree/master/samples/highcharts/demo/polar-spider/

I can't seem to find where to set the background color. Any ideas?

I've experimented with different values in this part:

chart: {
        polar: true,
        type: 'line'
},

But it didn't have any effect, and sometimes even caused issues with the script.

Should I change something in the .js files or can it be done within the loaded script?

Javascript is confusing me. Can somebody provide some guidance?

javascriptjquerycsshighcharts

Answer №1

Check out the Highcharts API at this link: https://api.highcharts.com/highcharts/chart.backgroundColor where you can find information on how to set the chart's background color:

{
  chart: {
     backgroundColor: '#FCFFC5',
     polar: true,
     type: 'line'
  }
}

You can also use a gradient for the background:

{
  chart: {
    backgroundColor: {
       linearGradient: [0, 0, 500, 500],
       stops: [
         [0, 'rgb(255, 255, 255)'],
         [1, 'rgb(200, 200, 255)']
       ]
     },
     polar: true,
     type: 'line'
  }
}

Answer №2

Have you tried using the backgroundColor property like this? (http://jsfiddle.net/aeP4E/)

chart: {
      polar: true,
      type: 'line',
      backgroundColor:'blue' 
},

Answer №3

This is what you desire `

chart: {
            polar: true,
            type: 'line',
            backgroundColor:'rgba(255, 255, 255, 0.1)'
        }

`

Answer №4

Check out the demo

If you want to adjust the values, simply modify data: [[0, 0, true], by changing 'true' to 'false'. You can also customize your gradient using the following code:

colorAxis: {
        min: 0,
        stops: [
         [0, '#ABCDEF'],
        [0.4, '#987654'],
        [0.8, '#123456']
    ],
        minColor: '#000000',
        maxColor: '#ffffff'
    },

Hope this helps! :)

Answer №5

By setting the value to 'false', you can conceal it

data: [[0, 0, false], [0, 1, 2], [0, 2, 3], [0, 3, 4], [0, 4, 5], [1, 0, 2], [1, 1, 4], [1, 2, 6], [1, 3, 8], [1, 4, 10], [2, 0, 3], [2, 1, 6], [2, 2, 9], [2, 3, 12], [2, 4, 15], [3, 0, 4], [3, 1, 8], [3, 2,12], [3, 3, 16], [3, 4, 20], [4, 0, 5], [4, 1, 10], [4, 2, 15], [4, 3, 20], [4, 4, 25]

http://jsfiddle.net/3527r4ty/1/

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