LDT <-> IES
python3 ies2ldt.py
Convert original.ies to result.ldt
python3 ldt2ies.py
Convert original.ldt to result.ies
python3 ldt_interpolate.py <new mc> <new ng>
Generate result.ldt from original.ldt by interpolating
python3 ies_interpolate.py <new # vertical angles> <new # horizonal angles>
Generate result.ies from original.ies by interpolating