I have a map on my webpage, which works fine, but I want to add data to it
after it has been initialized.
The map that is showing, is a normal map, with about *20-30 custom* (static)
* markers* on it.
I would then like to add (*after 1 second*) a *marker* and a *polyline* to
the map.
But then, the map should update with that data (the first 20-30 custom
markers, the new marker and the polyline), *every 30 seconds*.
For refreshing the map, I could use a setInterval function to reinitialize
the map every (for example) 5 seconds, but that doesnt work very well...
So, these are my two main questions:
*1. How do you add a marker to a map, after the map has been initialised?*
I tried: setting the map variable as a global variable, and then setting
the marker for map: map, but that doesnt work:
var treinmarker = new google.maps.Marker({position: position, map: map,
> title: 'Trein', icon: 'icon.png' });
>
*2. How do I update the position of a marker, without having to refresh the
complete map? (thus having to add the marker again)*
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