For two decades, ROOT brought its own graphics system abstraction based
on a graphics model inspired by the popular graphics systems available
at that time. (X11, OpenGL, Cocoa ...)
With the emergence of modern C++ and recent graphics systems based on client/server
models, it was time to redefined completely ROOT graphics.
This has been been done in the context of ROOT 7 which provides the new Graphics
This new approach re-think the High Energy Physics graphics language targeting
the production of plots designed for usability with new graphics style and optimal defaults