Let's set up a map using Spherical Mercator with a Yahoo! Maps Layer. When using the Google Maps Layer (V3), the
sphericalMercator property is set to
true automatically, so you do not need to do anything extra. However, explicitly specifying it is a good idea when working with other layers that are not in the Spherical Mercator projection.
projectionproperties when creating our map object. If you'll remember from the previous chapter, ...