Hi guys - I have a site that uses a php script to feed JSON data to a
google line chart.
I would love to retrofit it to use the new ChartRangeFinder control so i
can zoom in and out of the chart, but I dont really know javascript very
well so im not sure how to go about it.
Right now here is my javascript code:
<script type="text/javascript">
$.ajaxSetup ({
// Disable caching of AJAX responses */
cache: false
});
google.load("visualization", "1", { packages: ["corechart"] });
google.setOnLoadCallback(drawChart);
function drawChart() {
var jsonData = $.ajax({
url: "chartselect.php?limit=<?php echo $limit;?>&s1=<?php echo
$s1;?>&s2=<?php echo $s2;?>&s3=<?php echo $s3;?>&s4=<?php echo $s4;?>&s5=<?php
echo $s5?>&s6=<?php echo $s6?>",
dataType: "json",
async: false
}).responseText;
var obj = jQuery.parseJSON(jsonData);
var data = google.visualization.arrayToDataTable(obj);
var options = {
theme: 'maximized'
};
var chart = new
google.visualization.LineChart(document.getElementById('chart_div'));
chart.draw(data, options);
}
function refreshChart() {
setInterval(function() { drawChart() }, 60000);
};
$(document).ready(function() {
refreshChart();
});
</script>
and in the HTML i have a div for the chart:
<div id="chart_div" style="width: 850px; height: 500px;"></div>
Is there an easy way to add the RangeSelect to this? I haven't been able to
find an example of one where it pulls JSON data from another php page yet.
thanks
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