BesselFilter      104 Magick++/demo/zoom.cpp               filter=BesselFilter;
BesselFilter      256 Magick++/lib/Magick++/Include.h   using MagickLib::BesselFilter;
BesselFilter     1005 TclMagick/generic/TclMagick.c         CubicFilter,     CatromFilter,  MitchellFilter, LanczosFilter,  BesselFilter,
BesselFilter      678 magick/enum_strings.c     filter=BesselFilter;
BesselFilter     1300 magick/enum_strings.c     case BesselFilter: