TopHatMorphology 3903 magick/morphology.c     case TopHatMorphology:
TopHatMorphology 4021 magick/morphology.c           case TopHatMorphology:     /* open and image difference */
TopHatMorphology 4178 magick/morphology.c         case TopHatMorphology:
TopHatMorphology 1365 magick/option.c     { "TopHat", TopHatMorphology, UndefinedOptionFlag, MagickFalse },