physics

Various physics-related modules.

cie_color_matching_kernels(wavelength)	Calculates CIE color matching kernels for desired wavelengths between 380nm and 780nm.
column_relative_humidity(q, p, t[, axis])	Convert specific humidity, pressure and temperature into column relative humidity.
convert_xyz2rgb(xyz[, xyz2rgb])	Convert image in xyz color system to image in rgb color system.
density(p, T[, R])	Calculates gas density by ideal gas law.
e_eq_ice_mk(T)	Calculate the equilibrium vapor pressure of water over ice.
e_eq_water_mk(T)	Calculate the equilibrium vapor pressure of water over liquid water.
e_eq_mixed_mk(T)	Return equilibrium pressure of water with respect to the mixed-phase.
frequency2wavelength(frequency)	Convert frequency to wavelength.
frequency2wavenumber(frequency)	Convert frequency to wavenumber.
fresnel(n1, n2, theta1)	Fresnel formulas for surface reflection.
integrate_water_vapor(vmr, p[, T, z, axis])	Calculate the integrated water vapor (IWV).
match_color(spc_image, f_grid[, ...])	Transforms spectral image to RGB image by integrating the spectrum of each pixel with the CIE color matching kernels.
mixing_ratio2specific_humidity(w)	Convert mass mixing ratio to specific humidity.
mixing_ratio2vmr(w)	Convert mass mixing ratio to volume mixing ratio.
moist_lapse_rate(p, T[, e_eq])	Calculate the moist-adiabatic temperature lapse rate.
perfrequency2perwavelength(perhz, f_grid)	Conversion between Frequency- and Wavelength-related Spectral Quantities.
perfrequency2perwavenumber(perhz, f_grid)	Conversion between Frequency- and Wavenumber-related Spectral Quantities.
perwavelength2perfrequency(perm, lam_grid)	Conversion between Wavelength- and Frequency-related Spectral Quantities.
perwavenumber2perfrequency(perwn, wn_grid)	Conversion between Wavenumber- and Frequency-related Spectral Quantities.
planck(f, T)	Calculate black body radiation for given frequency and temperature.
planck_wavelength(l, T)	Calculate black body radiation for given wavelength and temperature.
planck_wavenumber(n, T)	Calculate black body radiation for given wavenumber and temperature.
pressure2height(p[, T])	Convert pressure to height based on the hydrostatic equilibrium.
radiance2planckTb(f, r)	Convert spectral radiance to Planck brightness temperture.
radiance2rayleighjeansTb(f, r)	Convert spectral radiance to Rayleight-Jeans brightness temperture.
rayleighjeans(f, T)	Calculates the Rayleigh-Jeans approximation of the Planck function.
rayleighjeans_wavelength(l, T)	Calculates the Rayleigh-Jeans approximation of the Planck function.
relative_humidity2vmr(RH, p, T[, e_eq])	Convert relative humidity into water vapor VMR.
snell(n1, n2, theta1)	Calculates the angle of the transmitted wave, according to Snell's law.
specific_humidity2mixing_ratio(q)	Convert specific humidity to mass mixing ratio.
specific_humidity2vmr(q)	Convert specific humidity to volume mixing ratio.
standard_atmosphere(z[, coordinates])	International Standard Atmosphere (ISA).
stefan_boltzmann_law(T)	Compute Stefan Boltzmann law for given temperature
vmr2mixing_ratio(x)	Convert volume mixing ratio to mass mixing ratio.
vmr2relative_humidity(vmr, p, T[, e_eq])	Convert water vapor VMR into relative humidity.
vmr2specific_humidity(x)	Convert volume mixing ratio to specific humidity.
water_vapor_pressure2specific_humidity(e, p)	Convert water vapor pressure into specific humidity.
wavelength2frequency(wavelength)	Convert wavelength to frequency.
wavelength2wavenumber(wavelength)	Convert wavelength to wavenumber.
wavenumber2frequency(wavenumber)	Convert wavenumber to frequency.
wavenumber2wavelength(wavenumber)	Convert wavenumber to wavelength.
xyz2rgb_cv2()	Create transformation matrix from xyz to RGB Values taken from reverse engineering open cv's cv2.cvtColor(I, cv2.COLOR_XYZ2RGB).
xyz2rgb_walker_hdtv()	Create transformation matrix from xyz to HDTV RGB according to
zeeman_splitting(gu, gl, mu, ml[, H])	Zeeman splitting
zeeman_strength(ju, jl, mu, ml)	Zeeman line strength
zeeman_transitions(ju, jl, type)	Find possible mu and ml for valid ju and jl for a given transistion polarization

physics.metrology

Functions related to metrology

All functions in this module need sympy.

express_uncertainty(expr[, aliases, ...])	For a sympy expression, calculate uncertainty.
recursive_args(expr[, stop_at, partial_at])	Get arguments for expr, stopping at certain types