BornAgain  1.19.0
Simulate and fit neutron and x-ray scattering at grazing incidence
Classes
Fourier-space distribution functions

Classes

class  FTDistribution1DCauchy
 Exponential IFTDistribution1D exp(-|omega*x|); its Fourier transform evaluate(q) is a Cauchy-Lorentzian starting at evaluate(0)=1. More...
 
class  FTDistribution1DCosine
 IFTDistribution1D consisting of one cosine wave [1+cos(pi*x/omega) if |x|<omega, and 0 otherwise]; its Fourier transform evaluate(q) starts at evaluate(0)=1. More...
 
class  FTDistribution1DGate
 Square gate IFTDistribution1D; its Fourier transform evaluate(q) is a sinc function starting at evaluate(0)=1. More...
 
class  FTDistribution1DGauss
 Gaussian IFTDistribution1D; its Fourier transform evaluate(q) is a Gaussian starting at evaluate(0)=1. More...
 
class  FTDistribution1DTriangle
 Triangle IFTDistribution1D [1-|x|/omega if |x|<omega, and 0 otherwise]; its Fourier transform evaluate(q) is a squared sinc function starting at evaluate(0)=1. More...
 
class  FTDistribution1DVoigt
 IFTDistribution1D that provides a Fourier transform evaluate(q) in form of a pseudo-Voigt decay function eta*Gauss + (1-eta)*Cauchy, with both components starting at 1 for q=0. More...
 
class  FTDistribution2DCauchy
 Two-dimensional Cauchy distribution in Fourier space; corresponds to a normalized exp(-r) in real space, with $r=\sqrt{(\frac{x}{\omega_x})^2 + (\frac{y}{\omega_y})^2}$. More...
 
class  FTDistribution2DCone
 Two-dimensional cone distribution in Fourier space; corresponds to 1-r if r<1 (and 0 otherwise) in real space with $r=\sqrt{(\frac{x}{\omega_x})^2 + (\frac{y}{\omega_y})^2}$. More...
 
class  FTDistribution2DGate
 Two-dimensional gate distribution in Fourier space; corresponds to normalized constant if r<1 (and 0 otherwise) in real space, with $r=\sqrt{(\frac{x}{\omega_x})^2 + (\frac{y}{\omega_y})^2}$. More...
 
class  FTDistribution2DGauss
 Two-dimensional Gauss distribution in Fourier space; corresponds to normalized exp(-r^2/2) in real space with $r=\sqrt{(\frac{x}{\omega_x})^2 + (\frac{y}{\omega_y})^2}$. More...
 
class  FTDistribution2DVoigt
 Two-dimensional Voigt distribution in Fourier space; corresponds to eta*Gauss + (1-eta)*Cauchy. More...
 

Detailed Description