FYI: if you search the OSG mail archives the reasons have been discussed in detail before this
Gordon Product Manager 3d __________________________________________________________ Gordon Tomlinson Email : gtomlinson @ overwatch.textron.com __________________________________________________________ -----Original Message----- From: osg-users-boun...@lists.openscenegraph.org [mailto:osg-users-boun...@lists.openscenegraph.org] On Behalf Of Ulrich Hertlein Sent: Friday, June 26, 2009 11:43 AM To: osg-users@lists.openscenegraph.org Subject: Re: [osg-users] GLSL and OSG On 26/6/09 4:39 PM, Maxime BOUCHER wrote: > Just a question of curiosity. > > I can guess Z and Y defaults haven't been change just for fun neither the vector column/row. > But I wonder which are these reasons. The Z-up is popular in the vis-sim industry as it feels more natural to assume X-east, Y-north, Z-up. But it's not hard-coded or anything, just the default. You can change it without problems by specifying an up vector of osg::Vec3(0,1,0). Cheers, /ulrich _______________________________________________ osg-users mailing list osg-users@lists.openscenegraph.org http://lists.openscenegraph.org/listinfo.cgi/osg-users-openscenegraph.or g _______________________________________________ osg-users mailing list osg-users@lists.openscenegraph.org http://lists.openscenegraph.org/listinfo.cgi/osg-users-openscenegraph.org