Here is a list of all enum values with links to the classes they belong to:

### - h -

- HA_CENTER : osgWidget::Widget, osgWidget::Window
- HA_LEFT : osgWidget::Widget, osgWidget::Window
- HA_NONE : osgWidget::Window
- HA_RIGHT : osgWidget::Widget, osgWidget::Window
- HandCursor : osgViewer::GraphicsWindow
- HANDLE_ALL : osgManipulator::DraggerTransformCallback
- HANDLE_ALL_REQUESTS : osgDB::DatabasePager::DatabaseThread, osgDB::ImagePager::ImageThread
- HANDLE_NON_HTTP : osgDB::DatabasePager::DatabaseThread, osgDB::ImagePager::ImageThread
- HANDLE_ONLY_HTTP : osgDB::DatabasePager::DatabaseThread, osgDB::ImagePager::ImageThread
- HANDLE_ROTATE_3D : osgManipulator::DraggerTransformCallback
- HANDLE_SCALED_1D : osgManipulator::DraggerTransformCallback
- HANDLE_SCALED_2D : osgManipulator::DraggerTransformCallback
- HANDLE_SCALED_UNIFORM : osgManipulator::DraggerTransformCallback
- HANDLE_TRANSLATE_IN_LINE : osgManipulator::DraggerTransformCallback
- HANDLE_TRANSLATE_IN_PLANE : osgManipulator::DraggerTransformCallback
- HEAD_MOUNTED_DISPLAY : osg::DisplaySettings
- HEADING : osgGA::SphericalManipulator
- HEADLIGHT : osg::View, osgUtil::SceneView
- HEIGHTFIELD_LAYER : osgTerrain::GeometryPool
- HELP_ALL : osg::ApplicationUsage
- HelpCursor : osgViewer::GraphicsWindow
- HEXAGON : osgParticle::Particle
- HIGHEST : osgDB::ImageProcessor
- HINT : osg::StateAttribute
- HORIZONTAL : osg::Camera, osg::CameraView, osgSim::ScalarBar, osgWidget::Box
- HORIZONTAL_INTERLACE : osg::DisplaySettings
- HORIZONTAL_SPLIT : osg::DisplaySettings
- HPR : osgSim::DOFTransform
- HRP : osgSim::DOFTransform
- HULL : osgVolume::MultipassTechnique
- HULL_SHADERS : osgVolume::MultipassTechnique