Chris,

Ref your alternative code:  Are you saying that using two single-
dimension arrays is more efficient than one two-dimensional array?
Unless it is something idiosyncratic to javascript I am not sure that
makes sense.  Also using a push, hence messing with the array
structure itself seems like it would introduce a bunch of overhead.
(These are two separable issues, of course.)

This is what I am doing now -- two dimensional, fixed size array:

 var flightTrackCoordinates = new Array(myPoints.length);
 for(var i=0, j=myPoints.length; i<j; i++){flightTrackCoordinates[i] =
new google.maps.LatLng(myPoints[i][0],myPoints[i][1])};

bratliffe,

When you say "Requiring every point of every poly to execute a "new
google.maps.LatLng()" constructor is insane." are you implying that
there is an alternative?

TIA

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