ShiftMapShiftMap - Add a constant value to each coordinate

Description:
A ShiftMap is a linear MappingMapping which shifts each axis by a specified constant value.
Constructor Function:
astShiftMapastShiftMap
Inheritance
The ShiftMap class inherits from the Mapping class.
Attributes
The ShiftMap class does not define any new attributes beyond those which are applicable to all Mappings.
Functions
The ShiftMap class does not define any new functions beyond those which are applicable to all Mappings.