I would recommend the OpenSceneGraph Reference Manual at lulu.com or one of the other OSG books out there they will give you most of the basic information and understanding you need to fully use OSG
A quick search of the OSG archives or google will also give you the answer ( see setComputeNearFarMode ) ____________________________________________________________________________ _____________________________ Gordon Tomlinson US Cell: 571-265-2612 UK Cell: 07806-571994 Skype: gordon-tomlinson Logitech: <mailto:gor...@gordon-tomlinson.com> gor...@gordon-tomlinson.com <http://www.photographybygordon.com/> www.photographybyGordon.com <http://www.vis-sim.com/> www.vis-sim.com LinkedIn <http://www.linkedin.com/in/gordontomlinson> www.linkedin.com/in/gordontomlinson "Self defence is not a function of learning tricks but is a function of how quickly and intensely one can arouse one's instinct for survival" -Master Tambo Tetsura From: osg-users-boun...@lists.openscenegraph.org [mailto:osg-users-boun...@lists.openscenegraph.org] On Behalf Of caijun Sent: Saturday, December 22, 2012 2:21 PM To: osg-users-request Cc: osg-users Subject: [osg-users] projection matrix problem Hello,everyone, I am using osg to build a 3D software.I don't know how to change the znear,zfar and projection matrix values when I change the camera position. When I read the osg's cullstack class,the refmatrix of projection differs every time.how does it calculates?Can anyone tell me? Thanks very much!
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