ZoomMapZoomMap - Zoom coordinates about the origin

Description:
The ZoomMap class implements a MappingMapping which performs a "zoom" transformation by multiplying all coordinate values by the same scale factor (the inverse transformation is performed by dividing by this scale factor). The number of coordinate values representing each point is unchanged.
Constructor Function:
astZoomMapastZoomMap
Inheritance
The ZoomMap class inherits from the Mapping class.
Attributes
In addition to those attributes common to all Mappings, every ZoomMap also has the following attributes:

  • ZoomZoom: ZoomMap scale factor
Functions
The ZoomMap class does not define any new functions beyond those which are applicable to all Mappings.