Volume Rendering: don't use a hard coded factor here but use the factor from volume to world dimensions
Volume Rendering: don't use a hard coded factor here but use the factor from
volume to world dimensions

--HG--
branch : v1-9

jhu-lcsr-forks/ogre,jhu-lcsr-forks/ogre,jhu-lcsr-forks/ogre,jhu-lcsr-forks/ogre,jhu-lcsr-forks/ogre