<script type="text/javascript" src="https://www.gstatic.com/charts/loader.js"></script>
<div class="container d-flex justify-container-center">
<div class="row">
<div class="col-md-12">
<div id="chart_div" style="width: 100px; height: 400px;"></div>
</div>
</div>
</div>
body {
background-color: grey
}
.container {
margin-top: 0px;
margin-left: 0px
}
$(document).ready(function(){
google.charts.load('current', {'packages':['gauge']});
google.charts.setOnLoadCallback(drawChart);
function drawChart() {
var data = google.visualization.arrayToDataTable([
['Label', 'Value'],
['m3', 80],
['%', 55],
]);
var options1 = {
width: 150, height: 400,
redFrom: 90, redTo: 100,
yellowFrom:75, yellowTo: 90,
minorTicks: 5
};
var options2 = {
width: 150, height: 400,
minorTicks: 5
};
var chart = new google.visualization.Gauge(document.getElementById('chart_div'));
chart.draw(data, options1);
chart.draw(data, options2);
setInterval(function() {
data.setValue(0, 1, 40 + Math.round(60 * Math.random()));
chart.draw(data, options1);
}, 2000);
setInterval(function() {
data.setValue(1, 1, 40 + Math.round(60 * Math.random()));
chart.draw(data, options2);
}, 2000);
}
});