D6 patches
[Objects]

Collaboration diagram for D6 patches:

D6 patches
void	D6 (double x, double y, double angle, double sigma, double contrR, double contrG, double contrB)
	draws a colored D6 patch
void	D6 (double x, double y, double angle, double sigma, double contr)
	draws a gray-scale D6 patch
void	MakeD6 (double angle, double sigma, double contrR, double contrG, double contrB, unsigned short int *&fig)
	creates a colored D6 patch pixmap
void	MakeD6 (double angle, double sigma, double contr, unsigned short int *&fig)
	creates a gray-scale D6 patch pixmap
void	MakeD6 (double angle, double sigma, double contrR, double contrG, double contrB, unsigned short int ind)
	creates a colored D6 patch texture
void	MakeD6 (double angle, double sigma, double contr, unsigned short int ind)
	creates a gray-scale D6 patch texture

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Function Documentation

void D6	(	double	x,
		double	y,
		double	angle,
		double	sigma,
		double	contrR,
		double	contrG,
		double	contrB
	)

D6 patch is the 6-th derivative of a 2D Gaussian over it's x component. The component can be y, or any other direction, of course. D6 closely resembles a Gabor.