Hello everyone,
Very new to google geo chart. From the document, it says that I can set
marker size and colour (in the markers Mode format section).
However, I can't make it work.
My script:
<script type="text/javascript">
google.load('visualization', '1', { 'packages': ['geochart'] });
google.setOnLoadCallback(drawRegionsMap);
function drawRegionsMap() {
var data = new google.visualization.DataTable();
data.addColumn('number');
data.addColumn('number');
data.addColumn('number');
data.addColumn('number');
var markersize = 4;
var markercolour = 0;
data.addRows([
[41.8776, -87.6272, markercolour , markersize],
[39.97919999999999, 116.29919999999998,markercolour , markersize ],
[56.0, 10.0, markercolour , markersize],
[62.0, 15.0, markercolour ,markersize ]
// data truncated for posting
]);
var options = {
displayMode: 'markers',
datalessRegionColor: 'd1dedf',
colorAxis: {colors: ['red','green']}
};
var chart = new
google.visualization.GeoChart(document.getElementById('chart_div'));
chart.draw(data, options);
}
</script>
Seems doesn't matter if I set it to 4 or 24, the markers are the same size,
also it ignores the colour index.
Can someone help?
Many Thanks
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