I'm attempting to display a control wrapper for a line chart.
Here's the function that generates this linechart.
function drawChart() {
var data = google.visualization.arrayToDataTable([
[month, Hopong, Kalaw, Loilen],
["2018-09", 0, 0, 0],
["2018-11", 0, 0, 0],
["2018-12", 0.2, 0.3, 0.4],
["2019-01", 4, 5, 6]]);
var dataTable = google.visualization.arrayToDataTable(mainArray);
var options = {
title: 'Pentration Rate',
curveType: 'function',
legend: { position: 'bottom' },
vAxis: {
viewWindow: {
min: 0
}
}
};
var chart = new
google.visualization.LineChart(document.getElementById('pentration_chart'));
chart.draw(dataTable, options)
}
How do I create a ControlWrapper (dropdown) containing a list of townships eg:
Hopong, Kalaw,Loilen etc, to filter by the township for penetration rate values
for each month for a particular township.?
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