OK. Thanks. On May 31, 5:59 pm, Rossko <ros...@culzean.clara.co.uk> wrote: > > Is checking new markers against old ones in the array less "expensive" > > than deleting all the markers and redrawing them? > > Depends. There's more than one way of keeping arrays, e.g. keyed by > some ID avoids a lot of searching. Maybe you should just try the > simple way, if it is good enough for your use it is good enough.
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