read_opacity(x,
species,
index=1,
unit='cm',
*args,
**kwargs)
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Read the opacities with the KappaReader and interpolate.
Returns a tuple with the original grid, and the interpolation object.
Used by the Opacity class to set an interpolation object for a
.opac/.particle file through species given in usr/Dust.dat.
Additional args and kwargs can be passed to the interpolate
method.
- Parameters:
x (array) - The x grid requested for the interpolation. Note that this is a
dummy variable to allow Profiler to work with this function.species (string) - The dust species (from Dust.dat)index (int) - The index of the kappas in the .opacity/.particle file. 0:
extinction, 1: absorption, 2: scattering
(default: 1) unit (str/u.Unit()) - The unit of the wavelength. Can be given as u.Unit() object or as
a string representation of those objects. Can range from length,
to frequency, and energy
(default: cm) - Returns: spline1d
- The interpolator for the mass extinction/absorption/scattering
coefficients. (in cgs!)
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