Namespace List
Here is a list of all documented namespaces with brief descriptions:

Gyoto | Namespace for the Gyoto library
Register | Gyoto registers
Metric | Access to metrics
Astrobj | Access to astronomical objects
Python | Classes that wrap Python classes as Gyoto Astrobj implementations
Spectrum | Spectrum of a simple object (e.g. a Gyoto::Astrobj::Star)
Spectrometer | Access to spectrometers
Units | Units-related classes and functions
Functor | Classes with an operator() method
Hook | Listeners attach to Tellers
Python | Helpers for the classes deriving from Gyoto::Python::Base