On Mon, 2006-06-12 at 13:29 -0700, [EMAIL PROTECTED] wrote: > On Sat, 2006-06-10 at 07:46 -0700, Sullivan, Joseph (CDR) wrote: > > Hi Tim, > > You're most definitly correct, the tutorials don't make consistent use of > > ref_ptrs. > > Here's one good place to start: > > http://dburns.dhs.org/OSG/Articles/RefPointers/RefPointers.html. > > Not sure if this caveat has been incorporated: > > http://dburns.dhs.org/osgarchiver/archives/February2004/0336.html > > It kinda has been in "Rule of Thumb #5" ... The simple answer is that > ownership wrt strong pointer implemenations that don't support cycles > (like ref_ptr) is always directed. Therefore in the Caveat #4, either > class A or class B must be designed to hold a ref_ptr to (ie own) the > other.
... or a third class must be introduced into the design to break the cycle. Regards, Marcus -- Mark Barnes COLLADA Project Lead, tel:+1.650.655.7342 Sony Computer Entertainment America http://research.scea.com _______________________________________________ osg-users mailing list [email protected] http://openscenegraph.net/mailman/listinfo/osg-users http://www.openscenegraph.org/
