celeritas::inp::GaussianRoughness Struct Reference

Approximate the microfacet normal distributions as Gaussian. More...

#include <SurfacePhysics.hh>

Public Member Functions
	operator bool () const
	Whether the surface data are assigned.

Public Attributes
double	sigma_alpha {-1}
	Gaussian std.

Detailed Description

Approximate the microfacet normal distributions as Gaussian.

This is used by the UNIFIED model in Geant4 (levin-morephysical-1996) : the mean of the distribution is zero (as a modification to the macroscopic normal) and the standard deviation is sigma_alpha .

Member Data Documentation

sigma_alpha

double celeritas::inp::GaussianRoughness::sigma_alpha {-1}

Gaussian std.

dev.

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The documentation for this struct was generated from the following file:

• SurfacePhysics.hh