dg::Gaussian3d Struct Reference

\( f(x,y,z) = Ae^{-\left(\frac{(x-x_0)^2}{2\sigma_x^2} + \frac{(y-y_0)^2}{2\sigma_y^2} + \frac{(z-z_0)^2}{2\sigma_z^2}\right)} \) More...

Public Member Functions
	Gaussian3d (double x0, double y0, double z0, double sigma_x, double sigma_y, double sigma_z, double amp)
	Functor returning a Gaussian. More...
DG_DEVICE double	operator() (double x, double y) const
	Return a 2d Gaussian. More...
DG_DEVICE double	operator() (double x, double y, double z) const
	Return the value of the Gaussian. More...

Detailed Description

\( f(x,y,z) = Ae^{-\left(\frac{(x-x_0)^2}{2\sigma_x^2} + \frac{(y-y_0)^2}{2\sigma_y^2} + \frac{(z-z_0)^2}{2\sigma_z^2}\right)} \)

Constructor & Destructor Documentation

Gaussian3d()

dg::Gaussian3d::Gaussian3d ( double  x0, double  y0, double  z0, double  sigma_x, double  sigma_y, double  sigma_z, double  amp  )

inline

Functor returning a Gaussian.

Parameters

x0	x-center-coordinate
y0	y-center-coordinate
z0	z-center-coordinate
sigma_x	x - variance (must be !=0)
sigma_y	y - variance (must be !=0)
sigma_z	z - variance (must be !=0)
amp	Amplitude

Member Function Documentation

operator()() [1/2]

DG_DEVICE double dg::Gaussian3d::operator() ( double  x, double  y  ) const

inline

Return a 2d Gaussian.

\[ f(x,y) = Ae^{-(\frac{(x-x_0)^2}{2\sigma_x^2} + \frac{(y-y_0)^2}{2\sigma_y^2})} \]

Parameters

x	x - coordinate
y	y - coordinate

Returns

gaussian

operator()() [2/2]

DG_DEVICE double dg::Gaussian3d::operator() ( double  x, double  y, double  z  ) const

inline

Return the value of the Gaussian.

\[ f(x,y) = Ae^{-(\frac{(x-x_0)^2}{2\sigma_x^2} + \frac{(y-y_0)^2}{2\sigma_y^2}+\frac{(z-z_0)^2}{2\sigma_z^2})} \]

Parameters

x	x - coordinate
y	y - coordinate
z	z - coordinate

Returns

gaussian

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

• functors.h