摘要：
一个Geode里面只有一个点的时候，默认情况下是看不见的，osg::CullStack::CullingModecullingMode=viewer.getCamera()->getCullingMode();cullingMode&=~(osg::CullStack::SMALL_FEATURE_CULLING);viewer.getCamera()->setCullingMode(cullingMode);http://blog.csdn.net/lainegates/article/details/7459161 阅读全文