### Spatial Geometry and Fusion Tables

This demo shows the power of Google *MVC arrays* used
in conjunction with *spatial geometry* and
*Fusion Tables*. Whoa, that's
a lot of Google technology on one page!

The MVC Array part is a rectangle that you draw on the map. The rectangle changes when you drag
the markers. You can then select community centres that intersect the rectangle by
requesting the data from the Fusion Table. Here's how to do it.