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>
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