摘要：
osg:：ref_ ptrTraits=newosg：：GraphicsContext：：Traits；性状-˃x=200；性状-˃y=200；性状-˃宽度=800；性状-˃身高=680；traits-˃windowDecoration=true；traits-˃doubleBuffer=tru
osg::ref_ptr<osg::GraphicsContext::Traits> traits = new osg::GraphicsContext::Traits; traits->x = 200; traits->y = 200; traits->width = 800; traits->height = 680; traits->windowDecoration = true; traits->doubleBuffer = true; traits->sharedContext = 0; osg::ref_ptr<osg::GraphicsContext> gc = osg::GraphicsContext::createGraphicsContext(traits.get()); osg::ref_ptr<osg::Camera> camera = new osg::Camera; camera->setGraphicsContext(gc.get()); camera->setViewport(new osg::Viewport(0, 0, traits->width, traits->height)); GLenum buffer = traits->doubleBuffer ? GL_BACK : GL_FRONT; camera->setDrawBuffer(buffer); camera->setReadBuffer(buffer); viewer.addSlave(camera);
显示osg状态：
//显示网格 #include <osgGA/StateSetManipulator> m_viewer->addEventHandler(new osgGA::StateSetManipulator(m_viewer->getCamera()->getOrCreateStateSet()));//显示网格 //显示调试信息 #include <osgViewer/ViewerEventHandlers> m_viewer->addEventHandler(new osgViewer::StatsHandler);//状态信息