PixelIntensityToDouble 3558 magick/effect.c                 normal.x=PixelIntensityToDouble(s0-1)+ PixelIntensityToDouble(s1-1)+
PixelIntensityToDouble 3559 magick/effect.c                   PixelIntensityToDouble(s2-1)-PixelIntensityToDouble(s0+1)-
PixelIntensityToDouble 3560 magick/effect.c                   PixelIntensityToDouble(s1+1)-PixelIntensityToDouble(s2+1);
PixelIntensityToDouble 3561 magick/effect.c                 normal.y=PixelIntensityToDouble(s2-1)+PixelIntensityToDouble(s2)+
PixelIntensityToDouble 3562 magick/effect.c                   PixelIntensityToDouble(s2+1)-PixelIntensityToDouble(s0-1)-
PixelIntensityToDouble 3563 magick/effect.c                   PixelIntensityToDouble(s0)-PixelIntensityToDouble(s0+1);