refraction_render.calcs.std_atmosphere¶

class refraction_render.calcs.std_atmosphere(h0=0.0, T0=15.0, P0=101325.0, g=9.81, dT=None, wavelength=0.545, moist_lapse_rate=False, T_prof=None, dT_prof=None, T_prof_args=())[source]¶

Bases: object

Object which calculates the standard atmospheric model.

__init__(h0=0.0, T0=15.0, P0=101325.0, g=9.81, dT=None, wavelength=0.545, moist_lapse_rate=False, T_prof=None, dT_prof=None, T_prof_args=())[source]¶

Intializes the std_atmosphere object.

Parameters

h0: float, optional

height (in \(m\)) to determine initial conditions on atmospheric model

T0: float, optional

Temperature (in degrees \(C\)) at h0

P0: float, optional

Pressure (in \(Pa\)) at h0

g: float, optional

gravitational acceleration (in \(m/s^2\))

dT: float, optional

Temperature lapse rate (in \(C/m\)) defined as minus the slope of the temperature

wavelength: float, optional

wavelength of light (in \(\mu m\)) used calculate the index of refraction

moist_lapse_rate: bool, optional

Uses the temperature and pressure to calculate the moist lapse rate, use when the humidity is at 100%

T_prof: callable, optional

user defined function, see description.

dT_prof: callable, optional

derivative of T_prof, see description.

T_prof_args: array_like, optional

optional arguments to pass into T_prof and dT_prof.

Methods

P(h)	Pressure function for this atmospheric model.
T(h)	Temperature function for this atmospheric model.
__init__([h0, T0, P0, g, dT, wavelength, …])	Intializes the std_atmosphere object.
dTdh(h)	density function for this atmospheric model.
k(h)	Curvature of light rays at given height.
n(h)	Index of refraction function for this atmospheric model.
rho(h)	density function for this atmospheric model.

Attributes

R	Ideal gas constant for the atmosphere
dT	Temperature Lapse rate for this atmospheric model.
deltan	scale factor used to calculate the index of refraction of air.
g	gravitational acceleration.

P(h)[source]¶

Pressure function for this atmospheric model.

property R¶

Ideal gas constant for the atmosphere

T(h)[source]¶

Temperature function for this atmospheric model.

property dT¶

Temperature Lapse rate for this atmospheric model.

dTdh(h)[source]¶

density function for this atmospheric model.

property deltan¶

scale factor used to calculate the index of refraction of air.

property g¶

gravitational acceleration.

k(h)[source]¶

Curvature of light rays at given height.

n(h)[source]¶

Index of refraction function for this atmospheric model.

rho(h)[source]¶

density function for this atmospheric model.