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

### - r -

- r1 : osgParticle::DomainOperator::Domain
- r2 : osgParticle::DomainOperator::Domain
- ratio : osgUtil::LineSegmentIntersector::Intersection
- ratioList : osgUtil::LineSegmentIntersector::Intersection, osgUtil::RayIntersector::Intersection
- red : osg::GLExtensions, osg::GraphicsContext::Traits
- ref : osg::GLExtensions
- refreshRate : osg::GraphicsContext::ScreenSettings
- region : osgPresentation::SlideShowConstructor::ImageData, osgPresentation::SlideShowConstructor::ModelData, osgPresentation::SlideShowConstructor::VolumeData
- region_in_pixel_coords : osgPresentation::SlideShowConstructor::ImageData, osgPresentation::SlideShowConstructor::VolumeData
- relativeJump : osgPresentation::JumpData
- relativeoffset : osg::GLExtensions
- relativePath : osgDB::ExternalFileWriter::ObjectData
- renderbuffers : osg::GLExtensions
- result : osgDB::base64_encodestate
- rotate : osgPresentation::SlideShowConstructor::PositionData
- rotation : osgGA::GUIEventAdapter::TabletPen, osgPresentation::SlideShowConstructor::PositionData