randomThresholdChannel  339 Magick++/demo/demo.cpp       example.randomThresholdChannel( Geometry(4,4), RedChannel);
randomThresholdChannel 1449 Magick++/lib/Image.cpp   randomThresholdChannel(thresholds_,AllChannels);
randomThresholdChannel  526 Magick++/lib/Magick++/Image.h     void            randomThresholdChannel( const Geometry &thresholds_,