needs historic!
output grid needs a header -> Done!
TEX standalone -> Done!
Column standalone -> Done!
##LTE Interface to do list: TEX Beam filling factor for line emitting region continuum source + its filling factor.
Column
compute N for Tex ranges
BB
compute intensities for Tex ranges
Needs Helpers!
New class: Line
grid analisys functions such as plotting line ratios will be here.
##Next Documentation Chi^2 of grid