Hi,
i have a google line chart wich display fine in alle desktop browsers. On
iOS mobile devices, the lines are missing.
<script type="text/javascript">
setInterval(drawChart, 1000);
google.charts.load('current', {packages: ['corechart']})
function drawChart() {
$.ajax({
url: url,
dataType: "json",
success: function (jsonData) {
var data = new
google.visualization.DataTable();
data.addColumn('datetime', 'time');
data.addColumn('number',
'Temperatur_Unten');
data.addColumn('number', 'Temperatur_Oben');
for (var i =
0; i < jsonData.length; i++) {
data.addRow([new
Date(jsonData[i].time), parseFloat(jsonData[i].Temperatur_Oben),
parseFloat(jsonData[i].Temperatur_Unten)]);
console.log(jsonData[i].time);
}
var options = {
'vAxis': {'title': 'Something Here',
'minValue': 0,
'maxValue': 100},
legend: { position: 'bottom' }
};
var chart = new
google.visualization.LineChart(document.getElementById('temparature_div'));
chart.draw(data, options);
}
});
}
google.charts.setOnLoadCallback(drawChart);
</script>
<div id="temparature_div" style="width: 100%; height:
400px;"></div>
{
"sample_id": 199,
"time": "2019-09-09 16:02:59",
"Temperatur_Unten": 22.57,
"Temperatur_Oben": 22.35
},
{
"sample_id": 198,
"time": "2019-09-09 16:02:57",
"Temperatur_Unten": 22.57,
"Temperatur_Oben": 22.35
},
{
"sample_id": 197,
"time": "2019-09-09 16:02:55",
"Temperatur_Unten": 22.57,
"Temperatur_Oben": 22.36
},
Any ideas?
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