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<html> | |
<head> | |
<!--Load the AJAX API--> | |
<script type="text/javascript" src="https://www.google.com/jsapi"></script> | |
<script type="text/javascript"> | |
// Load the Visualization API and the piechart package. | |
google.load('visualization', '1.0', {packages:["corechart","geochart","table"]}); | |
// Set a callback to run when the Google Visualization API is loaded. | |
google.setOnLoadCallback(executeProgramFlow); | |
// Declare dataset, options and charts variables | |
var data , options , chart; | |
// Callback that creates and populates a data table, | |
// instantiates the pie chart, passes in the data and | |
// draws it. | |
function executeProgramFlow() { | |
createDataTable(); | |
setChartOptions(); | |
drawTheChart(); | |
} | |
// Create the data table. | |
function createDataTable(){ | |
data = new google.visualization.DataTable(); | |
data.addColumn('string', 'Topping'); | |
data.addColumn('number', 'Slices'); | |
data.addRows([ | |
['Mushrooms', 3], | |
['Onions', 1], | |
['Olives', 1], | |
['Zucchini', 1], | |
['Pepperoni', 2] | |
]); | |
} | |
// Set chart options | |
function setChartOptions(){ | |
options = { | |
'title':'How Much Pizza I Ate Last Night', | |
'width':400, | |
'height':300, | |
'is3D':true | |
}; | |
} | |
// Instantiate and draw our chart, passing in some options. | |
function drawTheChart(){ | |
chart = new google.visualization.PieChart( | |
document.getElementById('chart_div') | |
); | |
chart.draw(data, options); | |
} | |
</script> | |
</head> | |
<body> | |
<!--Div that will hold the pie chart--> | |
<div id="chart_div"></div> | |
</body> | |
</html> |
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