ZoomMap()

Changes the scale of a map.

ZoomMap(string map_name, real fraction)

Argument	Contents
map_name	The map whose scale is changed
fraction	The multiplier by which the width and height should be changed

ZoomMap(null, 2.0) // Zoom out, or double the width and height

ZoomMap("my map", 0.5) // Zoom in, or cut the width and height in half

Error Type	Meaning
NotFound	The specified map does not exist

Function	Summary
CenterMap()	Centers a map at a particular location
SetScale()	Sets the scale of a map
ZoomAndCenterMap()	Changes the scale and center of a map
SetMapScope()	Sets the area covered by a map