Hi Werner, Using a ABSOLUTE_RF for a backgrouind image is a simply way of implementing this type of feature but has it's limitations - it means it won't work with anything other than a single window.
If you plan to have a view that can be composed of multiple viewport/windows then the ABSOLUTE_RF technique is no longer appropriate. So the question now is how you should implement the background image. One technique would be to place the geometry under a RELATIVE_RF transform rather than a ABSOLUTE_RF Camera that resets the projection and view matrices. Robert. On Mon, 25 Jun 2018 at 16:33, Werner Modenbach <werner.modenb...@texion.eu> wrote: > > Hi Robert, > > from your question I guess, I have a fundamental misunderstanding. > But from all the examples and from the OGS book I learned as follows: > > If I want to show a hud I have to do it with a hud camera which has reference > frame ABSOLUTE_RF. > The same if I want to have a wallpaper in the background. I have to create a > textured screen quad and show it with camera with ABSOLUTE_RF. > ABSOLUTE_RF seems to be necessary if the object should not be manipulated by > the camera manipulator. Right? > > I will be glad to learn if there is some other and more recommended way to do > it. > > Many thanks for your never ending patience. > > - Werner - > > Am 25.06.2018 um 14:59 schrieb Robert Osfield: > > Hi Werner, > > What are you using the ABSOLUTE_RF Camera's for? My guess this is the > source of the problems, perhaps the approach you've take with this > works fine for a single viewport but breaks any form of > multi-viewport/window composition of the view. > > Could you explain what the ABSOLUTE_RF Cameras are for? > > Robert > _______________________________________________ > osg-users mailing list > osg-users@lists.openscenegraph.org > http://lists.openscenegraph.org/listinfo.cgi/osg-users-openscenegraph.org > > > -- > TEXION Software Solutions, Rotter Bruch 26a, D-52068 Aachen > Phone: +49 241 475757-0 > Fax: +49 241 475757-29 > Web: http://texion.eu > eMail: i...@texion.eu > _______________________________________________ > osg-users mailing list > osg-users@lists.openscenegraph.org > http://lists.openscenegraph.org/listinfo.cgi/osg-users-openscenegraph.org _______________________________________________ osg-users mailing list osg-users@lists.openscenegraph.org http://lists.openscenegraph.org/listinfo.cgi/osg-users-openscenegraph.org
