u have to include:
<script type="text/javascript">
google.load('visualization', '1', {packages: ['gauge']});
</script>
Am Mittwoch, 20. Juni 2012 14:55:07 UTC+2 schrieb Neamat Tazi:
>
> I'm trying to use the same example as the one available with interaction
> examples on google code site but the chart is not displayed at all. The
> following is my code:
> <script type="text/javascript" src="http://www.google.com/jsapi
> "></script>
> <script type="text/javascript">
> google.load('visualization', '1', {packages: ['corechart']});
> </script>
> <script type="text/javascript">
> var chart;
> var chartData;
> var chartOptions;
> function drawChart() {
>
>
> chartData = google.visualization.arrayToDataTable([
> ['x', 'Cats', 'Blanket 1', 'Blanket 2'],
> ['A', 1, 1, 0.5],
> ['B', 2, 0.5, 1],
> ['C', 4, 1, 0.5],
> ['D', 8, 0.5, 1],
> ['E', 7, 1, 0.5],
> ['F', 7, 0.5, 1],
> ['G', 8, 1, 0.5],
> ['H', 4, 0.5, 1],
> ['I', 2, 1, 0.5],
> ['J', 3.5, 0.5, 1],
> ['K', 3, 1, 0.5],
> ['L', 3.5, 0.5, 1],
> ['M', 1, 1, 0.5],
> ['N', 1, 0.5, 1]
> ]);
>
> chart = new
> google.visualization.Gauge(document.getElementById('visualization'));
> chartOptions = {curveType: "function",
> width: 500, height: 400,
> vAxis: {maxValue: 10}};
> chart.draw(chartData, chartOptions);
> }
>
> function changeData() {
> chartData = google.visualization.arrayToDataTable([
> ['x', 'Cats', 'Blanket 1', 'Blanket 2'],
> ['A', 3, 1, 3.5],
> ['B', 2, 2.5, 1],
> ['C', 4, 2, 3.5],
> ['D', 5, 2.5, 1],
> ['E', 7, 2, 3.5],
> ['F', 4, 2.5, 1],
> ['G', 6, 2, 3.5],
> ['H', 2, 0.5, 1],
> ['I', 1, 2, 3.5],
> ['J', 0.5, 0.5, 1],
> ['K', 3, 2, 3.5],
> ['L', 3.5, 0.5, 1],
> ['M', 1, 2, 3.5],
> ['N', 1, 0.5, 1]
> ]);
> chart.draw(chartData, chartOptions);
> }
>
>
> google.setOnLoadCallback(drawChart);
> </script>
> </head>
> <body style="font-family: Arial;border: 0 none;">
> <div id="visualization" ></div>
> <input type="button" value="Change Data" onclick="changeData()" />
>
> </body>
>
>
> Please help.
> Neamat
>
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