Line Survey

Plot details of every single line in a spectrum.

Uses the line_survey() function.

/home/docs/checkouts/readthedocs.org/user_builds/radis/checkouts/develop/radis/io/hitran.py:192: AccuracyWarning: All columns are not downloaded currently, please use cache = 'regen' and extra_params='all' to download all columns.
  warnings.warn(
--------------------------------------------------------------------------------
CO2 - HITRAN - Downloading database
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Download:
- All files already downloaded.

Caching to HDF5/H5 format:
- All files already cached.
0.03s - Loaded database
/home/docs/checkouts/readthedocs.org/user_builds/radis/checkouts/develop/radis/misc/warning.py:434: HighTemperatureWarning: HITRAN is valid for low temperatures (typically < 700 K). For higher temperatures you may need HITEMP or CDSD. See the 'databank=' parameter
  warnings.warn(WarningType(message))
Calculating Equilibrium Spectrum
Physical Conditions
----------------------------------------
   Tgas                 1500 K
   isotope              1
   medium               air
   mole_fraction        0.0004
   path_length          100 cm
   pressure             1.01325 bar
   self_absorption      True
   species              CO2
   state                X
   wavenum_max          2400.0000 cm-1
   wavenum_min          2380.0000 cm-1
Computation Parameters
----------------------------------------
   Tref                 296 K
   add_at_used          numpy
   broadening_method    voigt_poly
   cutoff               1e-27 cm-1/(#.cm-2)
   dbformat             hitran
   dbpath               /home/docs/.radisdb/hitran/CO2.h5
   diluent              air
   folding_thresh       1e-06
   include_neighbouring_lines  True
   isatom               False
   isneutral            None
   lbfunc               None
   memory_mapping_engine  auto
   neighbour_lines      0 cm-1
   optimization         simple
   parsum_mode          full summation
   pfsource             default
   potential_lowering   None
   pseudo_continuum_threshold  0
   sparse_ldm           True
   truncation           50 cm-1
   waveunit             cm-1
   wstep                0.01 cm-1
   zero_padding         2002
----------------------------------------
0.47s - Spectrum calculated
288 lines

from radis import calc_spectrum

s = calc_spectrum(
    wavenum_min=2380,
    wavenum_max=2400,
    mole_fraction=400e-6,
    path_length=100,  # cm
    Tgas=1500,
    molecule="CO2",
    isotope=[1],
    databank="hitran",
    export_lines=True,
)
s.apply_slit(2, "nm")
s.line_survey(overlay="radiance", barwidth=0.01)