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javascriptcsshighchartshighcharts-ng

keep fixed size of the bars in Highcharts

I want to maintain the same size of the bars. no matter how many there are values. here is the size I want to have all bars.enter image description here

when added four values the bars become smaller. enter image description here

I want all the bars are the same size. no matter that I have to scroll to see the other bars (this is what I want).

this is my code: http://jsfiddle.net/Laxfsbtb/

$('#container').highcharts({
        chart: {
            type: 'bar'
        },

         series: [{
          name: 'text1',
          data: [1000, 950,920,880,850,234],
          color: "#FF0000"
      }, {
          name: 'text2',
          data: [800,770,750,740,730,4324],
          color: "#000000"

      }, {
          name: 'text3',
          data: [600,540,535,500,400,324],
          color: "#00FF00"

      }]
    });
});
Solution

  • Not sure precisely what you're looking for, but this might help.

    I put together an example a while ago to adjust the height of the chart according to the number of bars, using some preset parameters:

    var barCount     = chartData.length; 
var pointWidth   = 20;
var marginTop    = 60;
var marginRight  = 10;
var marginBottom = 50;
var marginLeft   = 100;
var pointPadding = 0.3;

var chartHeight = marginTop 
            + marginBottom 
            + ((pointWidth * barCount) * (1 + groupPadding + pointPadding));

    So, tell it what size you want the bars, how much padding between them, how much margin at top and bottom of chart, and how many data points you have.

    Bars will stay the same size and spacing while the chart itself grows to accommodate them.

    example:

    To see it work, change the 12 in this line:

    var chartData = randomData(12, true);

    To whatever number you want.

    ((Edit

    Since you are working with grouped data, you'll have to change the math a little bit.you'll need to account for the number of groups, and multiply hat by the groupPadding, added to the number of points * the pointPadding.

    You'll also have to make getting your count of data points slightly more complex.