TopHatMorphology  805 Magick++/lib/Magick++/Include.h   using MagickCore::TopHatMorphology;
TopHatMorphology 3915 magick/morphology.c     case TopHatMorphology:
TopHatMorphology 4033 magick/morphology.c           case TopHatMorphology:     /* open and image difference */
TopHatMorphology 4190 magick/morphology.c         case TopHatMorphology:
TopHatMorphology 1431 magick/option.c     { "TopHat", TopHatMorphology, UndefinedOptionFlag, MagickFalse },