stacked vertical var (highcharts)

by jpeter06

HTML

<script type="text/javascript" src="http://highcharts.com/js/testing.js"></script>

<div id="container" style="height: 300px"></div>

JavaScript

var chart = new Highcharts.Chart({
   chart: {
       renderTo: 'container'
   },
tooltip: {
            formatter: function(){
                console.log(this);
                var p= "period: "+this.point.x+"<br>";  
                p += '<span style="color:' + this.series.color + '">' + this.series.name + '</span>: <b>'+ this.y + '</b>';     
                        return p;            
            }                
        },
   xAxis: {
       type: 'datetime',
       labels: {
        formatter: function() {
            return this.value;
        }
    }
   },
     title:{text:'patata'},
       plotOptions: {
       column: {
       stacking: 'normal'
       }},
   series: [{
       data: [
           [1, 29.9],
           [4, 71.5],
           [5, 106.4]
       ],
       type: 'column',
       name:'PATATA'
   },{
   data: [
           [1, 29.9],
           [4, 71.5],
       ],
        type: 'column',
       name:'TOMATE'
}]
});