-#ifndef NO_OPENSCENEGRAPH_INTERFACE
- explicit SGVec4(const osg::Vec4f& d)
- { data()[0] = d[0]; data()[1] = d[1]; data()[2] = d[2]; data()[3] = d[3]; }
- explicit SGVec4(const osg::Vec4d& d)
- { data()[0] = d[0]; data()[1] = d[1]; data()[2] = d[2]; data()[3] = d[3]; }
-#endif