When including a molecule with isotopes without PF, the code (apparently) still includes them, then the spectra will produce NaNs, because the line strengths divide by the PF, which is zero.
E.g., HITRAN N2, isotope '45'.
The fix: do not include in the TLI file these 'bad' line transitions.
When including a molecule with isotopes without PF, the code (apparently) still includes them, then the spectra will produce NaNs, because the line strengths divide by the PF, which is zero.
E.g., HITRAN N2, isotope '45'.
The fix: do not include in the TLI file these 'bad' line transitions.