highcharts - How to display total of extra data in stacked column high charts -

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i have stacked column showing number of fruits eaten john , joe. aside number of fruits, show how cost of fruit consumption is. in case, can show amount of each fruit eaten john or joe (ex. john ate 5 apples $100 while joe ate 3 apples $60). however, show total cost per fruit (for apples, total consumption 8 apples worth $160). there way can this?

you can see preliminary work here: http://jsfiddle.net/spzba/

$(function () {     $('#container').highcharts({         chart: {             type: 'column'         },         title: {             text: 'stacked column chart'         },         xaxis: {             categories: ['apples', 'oranges', 'pears']         },         yaxis: {             min: 0,             title: {                 text: 'total fruit consumption'             },             stacklabels: {                 enabled: true,                 style: {                     fontweight: 'bold',                     color: (highcharts.theme && highcharts.theme.textcolor) || 'gray'                 }             }         },         legend: {             align: 'right',             x: -70,             verticalalign: 'top',             y: 20,             floating: true,             backgroundcolor: (highcharts.theme && highcharts.theme.background2) || 'white',             bordercolor: '#ccc',             borderwidth: 1,             shadow: false         },         tooltip: {             formatter: function() {                 return '<b>'+ this.x +'</b><br/>'+                     this.series.name +': '+ this.y + ' (<b>$ ' + this.point.amount +') <br/>'+                     'total: '+ this.point.stacktotal;             }         },         plotoptions: {             column: {                 stacking: 'normal',                 datalabels: {                     enabled: true,                     color: (highcharts.theme && highcharts.theme.datalabelscolor) || 'white',                     style: {                         textshadow: '0 0 3px black, 0 0 3px black'                     }                 }             }         },         series: [{             name: 'john',             data: [{y: 5, amount: 100}, {y: 3, amount: 60}, {y: 4, amount: 80}]         }, {             name: 'joe',             data: [{y: 3, amount: 60}, {y: 4, amount: 80}, {y: 4, amount: 80}]         }]     }); });

sample output http://57fe73bf7b181243cedb-b8c91974e8361932eb0600d0df360924.r68.cf4.rackcdn.com/untitled.png

is possible show total amount per fruit consumed? put total amount beside "total" label when hovering column. ex. in figure, "total: 8 ($160)".

thank much!

it's bit round houses can array of series this.series.chart.series, , each series has points array can use current this.point.x index to, iterating series can calculate total amount property.

tooltip: {     formatter: function() {         var allseries = this.series.chart.series;         var totalamount = 0;         for(var s in allseries) { totalamount += allseries[s].points[this.point.x].amount; }          return '<b>'+ this.x +'</b><br/>'+             this.series.name +': '+ this.y + ' (<b>$ ' + this.point.amount +') <br/>'+             'total: '+ this.point.stacktotal + ' (<b>$ ' + totalamount +')';     } }

http://jsfiddle.net/spzba/1/


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