inicialize google charts
<head>
...
{{ init_chart() }}
</head>in controller:
<?php
$pie = new Pie('pizza')
$pie->setRows(array(
array('Mushrooms', 3),
array('Onions', 1),
array('Olives', 1),
array('Zucchini', 1),
array('Pepperoni', 2),
));
$pie->setOptions(array(
'title' => 'How Much Pizza I Ate Last Night',
'width' => 400,
'height' => 300,
));in template:
{{ render_chart(pie) }}