On Sep 9, 7:34 pm, GG <[email protected]> wrote:
>
> I am just worried that if someone starts panning past the scope of
> those 50 markers, they wont see anything even though there might be
> data.

But that's where the delayed refresh comes into play. You can put
another layer ontop of the map viewport (<div> layer, not Overlay) and
basically tell the user to "Please wait while we refresh the map" ...
as long as they're panning, that window can remain on.  When they stop
panning, a 2 second delay to refresh won't hurt ...

On the other hand, if you suspect your query and subsequent adding of
markers takes a long time, then it's time to look for another
method ...
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