BornAgain  1.19.0
Simulate and fit neutron and x-ray scattering at grazing incidence
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FTDecayFunction2DGauss Class Reference
Fourier-space decay functions

Two-dimensional Gauss decay function in reciprocal space; corresponds to exp(-r^2/2) in real space, with $r=\sqrt{(\frac{x}{\omega_x})^2 + (\frac{y}{\omega_y})^2}$. More...

+ Inheritance diagram for FTDecayFunction2DGauss:

Public Member Functions

 FTDecayFunction2DGauss (const std::vector< double > P)
 
 FTDecayFunction2DGauss (double decay_length_x, double decay_length_y, double gamma)
 
void accept (INodeVisitor *visitor) const final
 
FTDecayFunction2DGauss * clone () const
 
double evaluate (double qx, double qy) const final
 

Detailed Description

Two-dimensional Gauss decay function in reciprocal space; corresponds to exp(-r^2/2) in real space, with $r=\sqrt{(\frac{x}{\omega_x})^2 + (\frac{y}{\omega_y})^2}$.