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POGoogle Line Chart with Javascript literal Datatablse now showing X-Axis
 

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  1. POGoogle Line Chart with Javascript literal Datatablse now showing X-Axis
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    <p>I am implementing a Google (line) Chart based on a DataTable so I can change the type of graph 'on the fly'. I have successfully generated the data table (generated by script) based on <a href="https://developers.google.com/chart/interactive/docs/reference#dataparam" rel="nofollow">https://developers.google.com/chart/interactive/docs/reference#dataparam</a></p> <p>And implemented in an HTML Page (for testing purpose the page is empty so there is no interference with any other script/content)</p> <p>The Y-axis, Legenda and lines are correctly generated, yet the x-axis appears to be missing. </p> <p><strong>I am using the following content for the data table:</strong> </p> <pre><code>{"cols":[{"id":"timestamp","label":"timestamp","pattern":"","type":"string"},{"id":"sy","label":"sy","pattern":"","type":"number"},{"id":"us","label":"us","pattern":"","type":"number"},{"id":"average_cpu","label":"average_cpu","pattern":"","type":"number"}],"rows":[{"c":[{"v":"1372249356","f":""},{"v":0,"f":""},{"v":4,"f":""},{"v":43,"f":""}]},{"c":[{"v":"1372249650","f":""},{"v":13,"f":""},{"v":46,"f":""},{"v":49,"f":""}]},{"c":[{"v":"1372249950","f":""},{"v":4,"f":""},{"v":45,"f":""},{"v":47,"f":""}]},{"c":[{"v":"1372250250","f":""},{"v":2,"f":""},{"v":19,"f":""},{"v":46,"f":""}]},{"c":[{"v":"1372250550","f":""},{"v":3,"f":""},{"v":46,"f":""},{"v":51,"f":""}]}]} </code></pre> <p><strong>This all comes together in the following Javascript</strong></p> <pre><code>&lt;html&gt; &lt;head&gt; &lt;!--Load the AJAX API--&gt; &lt;script type="text/javascript" src="https://www.google.com/jsapi"&gt;&lt;/script&gt; &lt;script type="text/javascript"&gt; // Load the Visualization API and the piechart package. google.load('visualization', '1', {'packages':['corechart']}); &lt;/script&gt; &lt;script type="text/javascript"&gt; google.setOnLoadCallback(draw_15a6f1d2a7556b357de0d315596aa96c); function draw_15a6f1d2a7556b357de0d315596aa96c() { var data = new google.visualization.DataTable({"cols":[{"id":"timestamp","label":"timestamp","pattern":"","type":"string"},{"id":"sy","label":"sy","pattern":"","type":"number"},{"id":"us","label":"us","pattern":"","type":"number"},{"id":"average_cpu","label":"average_cpu","pattern":"","type":"number"}],"rows":[{"c":[{"v":"1372249356","f":""},{"v":0,"f":""},{"v":4,"f":""},{"v":43,"f":""}]},{"c":[{"v":"1372249650","f":""},{"v":13,"f":""},{"v":46,"f":""},{"v":49,"f":""}]},{"c":[{"v":"1372249950","f":""},{"v":4,"f":""},{"v":45,"f":""},{"v":47,"f":""}]},{"c":[{"v":"1372250250","f":""},{"v":2,"f":""},{"v":19,"f":""},{"v":46,"f":""}]},{"c":[{"v":"1372250550","f":""},{"v":3,"f":""},{"v":46,"f":""},{"v":51,"f":""}]}]}); var chart = new google.visualization.LineChart(document.getElementById('draw_15a6f1d2a7556b357de0d315596aa96c')); chart.draw(data, {width: 800, height: 600}); } &lt;/script&gt; &lt;/head&gt; &lt;body&gt; &lt;div id="draw_15a6f1d2a7556b357de0d315596aa96c"&gt;&lt;/div&gt; &lt;/body&gt; &lt;/html&gt; </code></pre> <p>Yet I have no idea why the X-axis is not showing up. I have looked into the DataTable Roles but could not find a reference to show the X-axis <a href="https://developers.google.com/chart/interactive/docs/roles?hl=ja#jsonliteral" rel="nofollow">https://developers.google.com/chart/interactive/docs/roles?hl=ja#jsonliteral</a> Nor does the LineChart documentation say which additional arguments have to be supplied. </p> <p>jsfiddle.net/WuLWF/ (When breaking it up in pieces according to Fiddle standard it did not work)</p> <p>Or perhaps my DataTable is wrong generated.</p> <p>Please guide me in the correct direction, Many thanks</p>
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