Renamed -metersPerPixelAtLatitude: to -metersPerPointAtLatitude:, leaving the old name as a deprecated alias. In Cocoa Touch terminology, “point” is the visual unit backed by pixels.
Greatly simplified conversions between zoom level and altitude. Adjusted field of view to more closely match MapKit. Conversions are now well within the same order of magnitude as MapKit at all latitudes.
Fixes#2266.
For consistency with -setCamera:…, a duration of 0 jumps instantaneously to the new location, while a negative value uses the distance-dependent default.
Due to the produced curve and applied easing, flyTo() doesn’t model a parabola or ballistic trajectory, but it does simulate powered flight to some extent.
