00001 #ifndef vepl1_gradient_dir_h_ 00002 #define vepl1_gradient_dir_h_ 00003 00004 //: 00005 // \file 00006 // \brief gradient direction: atan2 of x_gradient and y_gradient 00007 // 00008 // Note that the pixel types must support conversion from/to double 00009 // where the atan2 computation takes place. 00010 // 00011 // \author Peter Vanroose, K.U.Leuven (ESAT/PSI) 00012 // \date 28 April 2001 00013 00014 #include <vil1/vil1_image.h> 00015 00016 //: gradient direction: atan2 of x_gradient and y_gradient 00017 vil1_image vepl1_gradient_dir(vil1_image const& , double scale=1.0, double shift=0.0); 00018 00019 #endif // vepl1_gradient_dir_h_
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