Thank you very much Nick, it worked fine, I just changed this: group ->getOrCreateStateSet()->setMode(GL_DEPTH_TEST,osg::StateAttribute::OFF);
into this: one->getOrCreateStateSet()->setMode(GL_DEPTH_TEST,osg::StateAttribute::OFF); Regards. Alessandro On Sat, Dec 19, 2009 at 12:42 PM, Trajce Nikolov <[email protected]>wrote: > Hi Alessandro, > > nah. That wont do the job. I did a quick test, and here is how I made it > work > > go the the osgHUD example and: > > 1. createHUD, set for the camera: > camera->setRenderOrder(osg::Camera::NESTED_RENDER); > > 2. in main, about line 362, where you load your scene without arguments > osg::ref_ptr<osg::Group> group = new osg::Group; > osg::Node* one = createHUD(); // this will be your background image > osg::Node* two = scene.get(); > one->getOrCreateStateSet()->setRenderBinDetails(1,"RenderBin"); > two->getOrCreateStateSet()->setRenderBinDetails(2,"RenderBin"); > group->addChild(one); > group->addChild(two); > > group->getOrCreateStateSet()->setMode(GL_DEPTH_TEST,osg::StateAttribute::OFF); > two->getOrCreateStateSet()->setMode(GL_DEPTH_TEST,osg::StateAttribute::ON); > > // add the HUD subgraph. > //if (scene.valid()) group->addChild(scene.get()); > //group->addChild(createHUD()); > > // set the scene to render > viewer.setSceneData(group.get()); > > > this is working code. Might be another way, but this will help you I think > > Let me know if it works for you > > Nick > > http://www.linkedin.com/in/tnick > Sent from Ünalan, İstanbul, Turkey > > On Sat, Dec 19, 2009 at 11:16 AM, alessandro terenzi > <[email protected]>wrote: > >> I'd like to create a fixed background for an osg application, much like a >> HUD but while the HUD is always on top of the scene, I need to have an image >> always behind any 3D object. >> >> I tried to modify the example about HUDs by changing: >> >> setRenderOrder(osg::Camera::POST_RENDER); >> >> into this: >> >> setRenderOrder(osg::Camera::PRE_RENDER); >> >> but I guess that this is not sufficent to achive my goal, because actually >> the background image is not displayed at all (or maybe it is covered by the >> scene...). >> >> How can I create the desired effect? >> Thanks in advance. >> Alessandro >> >> _______________________________________________ >> 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 > >
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