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Hi,
You can speed up a little to not do the conversions whilst plotting but to convert when you got the data before you store it, however the main slowness is the plotting itself.
I suggest to only display what needed. Nobody can see thousands of pushpins on a map, so you can display only what is in view and eventually depending on zoom level. I mean if zoom level is so that all 30000 pushpins are in view, you can as wel display 100, nobody will see the difference. If zomming in then you display waht is in view etc.
Needs a little thinking and a some smart algoritm to do this but sure to do. |