Implementation of SoSceneManager::{get,set}ViewportRegion(), by Loring Holden <lsh@cs.brown.edu>.
Implementation of SoSceneManager::{get,set}ViewportRegion(),
by Loring Holden <lsh@cs.brown.edu>.

Alexpux/Coin3D,Alexpux/Coin3D,Alexpux/Coin3D,Alexpux/Coin3D