function drawChart() {
var data = new google.visualization.DataTable();
data.addColumn('string', 'Installer'); // Implicit domain
label col.
data.addColumn({type:'number',label: 'Percentuale'},
'Percentuale Vendita');
data.addColumn({type:'number',role:'annotation'});
data.addColumn({type:'number',label: 'Percentuale 2'},
'Percentuale Vendita 2');
data.addRows({$dato});
data.sort([{column: 1, desc:true}, {column: 0}]);
var view = new google.visualization.DataView(data);
view.setColumns([0, 1, 2,3,{
type: 'string',
role: 'style',
calc: function (dt, row) {
var val = dt.getValue(row, 1);
if (val < 10) {
return 'red';
}
else if (val < 20) {
return 'yellow';
}
else {
return 'green';
}
}
}]);
I tried as you say it is wrong. where am I wrong?
Il giorno giovedì 24 luglio 2014 18:53:53 UTC+2, Mirko Nulla ha scritto:
>
> Hello,
> I need to make the bars colour change according to particular values
> related to specific ranges.
> For example every value between null and 10 must give the red colour,
> between 10 and 20 the yellow one etc.
>
> I tried to use .view() with the calc function without any success. Was it
> the right way?
> Finally how can I do it?
>
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