Hi Robert, *Is the problem you are seeing triggered by the logo being used when multiple graphics windows are used?*
Yes it is. *Could you try svn/trunk and let me know how you get on.* * * I Tried this morning latest SVN and it's working great with this simple solution. Kind regards, 2009/7/14 Robert Osfield <[email protected]> > Hi Alexandre, > > I've decided to merged your change rather than look for a more complex > and more general solution, a more general solution can come later. > I've tweaked your changes a little to include returning of true when > the logo is traversed on a window it's not assigned to so the logo > will get culled. > > Could you try svn/trunk and let me know how you get on. > > Cheers, > Robert > > On Mon, Jul 13, 2009 at 5:34 PM, Robert Osfield<[email protected]> > wrote: > > Hi Alexandre, > > > > I believe your changes suggest a deeper problem with the > > design/implementation of the logo. The plugin is a very early hack > > that hasn't really been fully updated to take advantage of various > > modern OSG features, I don't have time right now for a full rewrite > > though. > > > > Is the problem you are seeing triggered by the logo being used when > > multiple graphics windows are used? > > > > It does look like code assumes a single view per graphics window, > > something that isn't always true with the OSG these days. In the > > Producer days when this plugin was written one couldn't easily have > > multiple views per window, but these days it's trivial and common > > place thing to do. If the logo was attached in a window with multiple > > views that all shared the same scene graph we'd end up with the > > viewport being updated multiple times, with the last view's viewport > > taking precedence. > > > > One possible solution would be to have the callback ignore the cull > > visitor's viewport and use the whole graphics windows dimensions, so > > the logo would be placed relative to the window rather than the last > > rendered viewport. > > > > All in all though, putting a logo in the scene graph is not the best > > way of tackling the task of adding logo's - it'd be much better to use > > a slave camera attached to the viewer/viewer. > > > > Thougts? > > > > Robert. > > > > On Mon, Jul 6, 2009 at 3:57 PM, Alexandre Amalric<[email protected]> > wrote: > >> Hi osg-users, > >> > >> I'm using osg svn version 2.9.5 and I've apparently found a bug in > osgPlugin > >> logo. > >> > >> When using more than one view logosCullCallback function is called > without > >> checking context ID from the cull visitor is equal to logo _contextID > >> variable. It involves updating logo's viewport with different sizes. > >> So I made a fix well working, at least the way I use the plugin. > >> > >> I'm not used to post fix so I attached the modified cpp files in current > >> mail, hope it helps... > >> > >> Code I added is indicated with comment : > >> > >> // AA DD/MM/YY Fix > >> Kind regards > >> -- > >> Alexandre AMALRIC Ingénieur R&D > >> =================================== > >> PIXXIM S.A. 73E, rue Perrin-Solliers 13006 Marseille > >> http://www.pixxim.fr > >> > >> _______________________________________________ > >> 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 > -- Alexandre AMALRIC Ingénieur R&D =================================== PIXXIM S.A. 73E, rue Perrin-Solliers 13006 Marseille http://www.pixxim.fr
_______________________________________________ osg-users mailing list [email protected] http://lists.openscenegraph.org/listinfo.cgi/osg-users-openscenegraph.org
