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POGet json data into Highcharts scatter plot
 

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  1. POGet json data into Highcharts scatter plot
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    <p>I cannot get Highcharts to graph a scatter plot of 2 series. Actually, the graph isn't even showing up. Please help me determine what I'm doing wrong. I cannot find a scatter plot example to go off of and I am very new to this. I've got json data from a php file that looks like: </p> <pre><code>[[65,44],[66,37],[67,42],[68,55],[65,50],[65,41],[65,41],[68,41],[69,42],[70,47],[69,55],[67,45],[67,49],[67,53],[67,49],[68,51],[68,55],[68,57],[70,53],[69,66],[68,54],[69,52],[68,48]][[75,36],[72,42],[75,44],[69,56],[72,40],[73,37],[77,34],[77,40],[74,50],[77,45],[77,43],[75,47],[73,52],[73,50],[75,44],[72,54],[71,57],[72,57],[74,55],[74,54],[75,47],[78,45],[75,43]] </code></pre> <p>This should be two series in an (x,y) format. I want to graph these on a scatter plot in HighCharts. My HighCharts code is:</p> <pre><code> &lt;script type="text/javascript"&gt; $(function () { var chart; $(document).ready(function() { $.getJSON("comfortgb1b.php", function(json) { chart = new Highcharts.Chart({ chart: { renderTo: 'container4', type: 'scatter', marginRight: 175, marginBottom: 50 }, title: { text: 'Comfort Level', x: -20 //center }, subtitle: { text: '', x: -20 }, xAxis: { title: { enabled: true, text: 'Temp (F)' }, min: 60, max: 85, startOnTick: true, endOnTick: true, showLastLabel: true }, yAxis: { title: { text: 'Humidity (%RH)' }, min: 30, max: 100 }, plotOptions: { scatter: { marker: { radius: 5, states: { hover: { enabled: true, lineColor: 'rgb(100,100,100)' } } }, states: { hover: { marker: { enabled: false } } }, tooltip: { headerFormat: '&lt;b&gt;{series.name}&lt;/b&gt;&lt;br&gt;', pointFormat: '{point.x} F, {point.y} %RH' } }, series: [{ name: 'Night', data: json(1) }, { name: 'Night', data: json(2) }); }); }); }); &lt;/script&gt; </code></pre> <p>Thanks in advance!</p> <p>The php file that is creating the json data is below. How would I separate these arrays with a comma?</p> <pre><code> $result1 = mysql_query("SELECT round(AVG(d_internal_duct_return),0) AS 'avg_return', round(AVG(d_evap_pre_humidity),0) AS 'avg_hum' FROM pheom.pheom_gb WHERE timestamp between subdate(curdate(), interval 2 month) and curdate() AND HOUR(Timestamp) NOT BETWEEN 9 AND 22 GROUP BY DAY(Timestamp) ORDER BY Timestamp"); $ret1 = array(); while($item = mysql_fetch_array($result1)) { $avg_return1 = $item['avg_return']; $avg_hum1 = $item['avg_hum']; $ret1[] = array($avg_return1,$avg_hum1); } $result2 = mysql_query("SELECT round(AVG(d_internal_duct_return),0) AS 'avg_return', round(AVG(d_evap_pre_humidity),0) AS 'avg_hum' FROM pheom.pheom_gb WHERE timestamp between subdate(curdate(), interval 2 month) and curdate() AND HOUR(Timestamp) BETWEEN 9 AND 22 GROUP BY DAY(Timestamp) ORDER BY Timestamp"); $ret2 = array(); while($item = mysql_fetch_array($result2)) { $avg_return2 = $item['avg_return']; $avg_hum2 = $item['avg_hum']; $ret2[] = array($avg_return2,$avg_hum2); } echo json_encode($ret1, JSON_NUMERIC_CHECK); echo json_encode($ret2, JSON_NUMERIC_CHECK); </code></pre>
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    1. COthat PHP script will only give you 1 series. Are you sure it gives the same output as you mentioned in the beginning? Are you running the script twice?
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    2. COYes, sorry. I pasted the wrong one. See the corrected version above.
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    3. COSee my edit below...
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