SobelKernel 694 Magick++/lib/Magick++/Include.h using MagickCore::SobelKernel; SobelKernel 974 magick/morphology.c case SobelKernel: /* these are defined using other kernels */ SobelKernel 1366 magick/morphology.c case SobelKernel: SobelKernel 1205 magick/option.c { "Sobel", SobelKernel, UndefinedOptionFlag, MagickFalse },