-#ifndef NO_OPENSCENEGRAPH_INTERFACE
- // Create a local coordinate frame in the earth-centered frame of
- // reference. X points north, Z points down.
- // makeSimulationFrameRelative() only includes rotation.
- osg::Matrix makeSimulationFrameRelative() const;
- osg::Matrix makeSimulationFrame() const;
-
- // Create a Z-up local coordinate frame in the earth-centered frame
- // of reference. This is what scenery models, etc. expect.
- // makeZUpFrameRelative() only includes rotation.
- osg::Matrix makeZUpFrameRelative() const;
- osg::Matrix makeZUpFrame() const;
-#endif