Thank you Robert, it was very enlightning :) Michele
On Fri, Feb 15, 2008 at 2:15 PM, Robert Osfield <[EMAIL PROTECTED]> wrote: > Hi Michele, > > > On Fri, Feb 15, 2008 at 11:20 AM, Michele Bosi <[EMAIL PROTECTED]> wrote: > > Hello to all (and welcome back Robert!), > > I have 2 questions about the Trackball manipuator > > > > 1- In my application I have multiple views each with a model in it > > (and a trackball manipulator) and when I select a view I want all the > > other views to stop from rotating if they are. Is there a way to > > programmatically stop the Trackball manipulator's automatic rotation? > > There isn't a way right now. The easiest way to do it would probably > be to add a virtual method into MatrixManipulator to enable the > toggling on/off of any animation. Feel free to add this and send me > the changes. > > > > 2- I would like to see two models on the very same view "one over the > > other" even if they are intersecting each other, in order to compare > > their shapes. The problem is that I also need to rotate them > > independently, which means that I cannot simply manipulate the camera > > but I need to "really" rotate each object independently one at a time. > > Can I accomplish this somehow using the TrackballManipulator? > > You could do this by having two Views that use the same viewport > settings so they overlap, but turn off the colour buffer clear for the > second view via view.getCamera()->setClearMask(), you'll also need to > the Camera's RenderOrder to make sure the one with clear off is drawn > second. One could possible attach the same camera manipulator to each > view and turn of the event handling for one of the views. > Alternatively on each frame you could just sync the view matrix on the > second manipulator with the setting from the first view. > > Robert. > _______________________________________________ > 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
