contrib/tbl/vepl1/vepl1_gradient_dir.h File Reference

gradient direction: atan2 of x_gradient and y_gradient More...

#include <vil1/vil1_image.h>

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Functions
vil1_image	vepl1_gradient_dir (vil1_image const &, double scale=1.0, double shift=0.0)
	gradient direction: atan2 of x_gradient and y_gradient.

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Detailed Description

gradient direction: atan2 of x_gradient and y_gradient

Note that the pixel types must support conversion from/to double where the atan2 computation takes place.

Author:

Peter Vanroose, K.U.Leuven (ESAT/PSI)

Date:

28 April 2001

Definition in file vepl1_gradient_dir.h.

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Function Documentation

vil1_image vepl1_gradient_dir	(	vil1_image const &	,
		double	scale = 1.0,
		double	shift = 0.0
	)

gradient direction: atan2 of x_gradient and y_gradient.

Definition at line 9 of file vepl1_gradient_dir.cxx.