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Old 02-03-2012, 03:26 AM   #1 (permalink)
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Hi there I have an issue that I cannot solve and was looking for help

I have two sets of coordinates that I want to show on a map that will zoom to show both points on the edge of the map with some padding. I drop pins at theses points they could be a mile apart or 100 miles apart.

I have calculated the centre point and centred the map on this point but cannot workout a figure for the span.latitudedelta and span.longitudedelta dependant on the two coordinates.

any help much appreciated

thanks
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Old 02-03-2012, 02:32 PM   #2 (permalink)
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Don't each of the pins have their own lat/long ?? Delta is just the difference in each.
lat1 - lat2
lon1 - lon2

You probably have to take the absolute value to ensure a positive delta.

Oh, and don't forget to add your padding to the delta values.
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