ConvexHullKernel  978 magick/morphology.c     case ConvexHullKernel:
ConvexHullKernel 1873 magick/morphology.c       case ConvexHullKernel:
ConvexHullKernel 1117 magick/option.c     { "ConvexHull", (ssize_t) ConvexHullKernel, MagickFalse },