Hi Werner, If you have questions on a separate topic please use a separate thread.
Robert. On Sat, Oct 2, 2010 at 7:47 AM, Werner Modenbach <[email protected]> wrote: > Hi Robert, > > thanks for your excellent support here on the list. > You explaned the event input system very clearly and I enjoy getting a better > overview on osg. > Can you please give a compareable short explanation on how frame() calls are > generated and what happens inside then? > The background of my question is the behaviour and the experience I got with > Qt Adapterwidget. There we have a timer calling frame() every xx msec. > On many systems this drives CPU activity to almost 100% - even if nothing > happenes and nothing changed in the scene. > My workaround is having a flag indicating if some event was sent to the event > queue or if some changes in the scene have been made. This flag is polled by > the timer and frame() is only called when necessary. It works quite well but I > have to care about the right setting at many places in my source code. > > Do you see a better way? Why is there so much computation in frame() when > nothing changed? > > Thanks again for any help. > > - Werner - > _______________________________________________ > 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
