Thanks Paul, That's a helpful suggestion, but wouldn't it still require the DatabasePager to be modified to also stash the parent node/nodepath in the read node's UserData, since the callback won't know when a read comes from the pager?
Craig On Sep 6, 2011, at 1:57 PM, Paul Martz wrote: > On 9/6/2011 12:33 PM, Craig S. Bosma wrote: >> Hi, I'm working on a feature that requires modifying a scene graph after >> it's been loaded, including those that may be loaded from the DatabasePager. >> Unfortunately the process depends on any ancestor transforms that may be >> present in the graph that the node may be merged into. I've looked (at some >> length) at both a ReadFileCallback and pseudo-loader plugin as >> implementation options, however neither appears to provide any way of >> 'seeing' whether a readNode request comes from the DatabasePager or >> elsewhere, and if it does, where it will end up in the rendered scene graph. >> Am I missing something obvious that would help in this situation? Otherwise >> I may look at modifying OSG to pass a reference to the parent node in the >> ReaderWriter Options or something similar. > > You could attach the parent node address (or the full NodePath for that > matter) as UserData to your ReadFileCallback instance. > -Paul > > _______________________________________________ > osg-users mailing list > [email protected] > http://lists.openscenegraph.org/listinfo.cgi/osg-users-openscenegraph.org _______________________________________________ osg-users mailing list [email protected] http://lists.openscenegraph.org/listinfo.cgi/osg-users-openscenegraph.org
