MagickGaussianBlurImageChannel 3991 wand/magick-image.c   status=MagickGaussianBlurImageChannel(wand,DefaultChannels,radius,sigma);
MagickGaussianBlurImageChannel  178 wand/magick-image.h   MagickGaussianBlurImageChannel(MagickWand *,const ChannelType,const double,