Currently the number of transition lines is hard-coded to be a maximum of 500 (5000 in the Methanol branch). This can be made flexible if we use a similar pattern to the gridpoints in the new UCLCHEM return_array feature: https://github.com/uclchem/UCLCHEM/blob/8037e883ee035577deeb559a27f18dc02eed99b6/src/fortran_src/wrap.f90#L44.
Currently the number of transition lines is hard-coded to be a maximum of 500 (5000 in the Methanol branch). This can be made flexible if we use a similar pattern to the gridpoints in the new UCLCHEM return_array feature: https://github.com/uclchem/UCLCHEM/blob/8037e883ee035577deeb559a27f18dc02eed99b6/src/fortran_src/wrap.f90#L44.