OEGeom3DEulerToRotMatrix
template<class T>
void OEGeom3DEulerToRotMatrix(T* RMat, const double* angles)
template<class T>
void OEGeom3DEulerToRotMatrix(T* RMat, const double phi,
const double theta, const double psi)
Constructs a \(3x3\) rotation matrix RMat from the given Euler angles.