randomThreshold 321 Magick++/demo/demo.cpp example.randomThreshold( Geometry(2,2) ); randomThreshold 327 Magick++/demo/demo.cpp example.randomThreshold( Geometry(3,3) ); randomThreshold 333 Magick++/demo/demo.cpp example.randomThreshold( Geometry(4,4) ); randomThreshold 469 Magick++/demo/demo.cpp example.randomThreshold( Geometry(0.3*MaxRGB,0.85*MaxRGB) ); randomThreshold 525 Magick++/lib/Magick++/Image.h void randomThreshold( const Geometry &thresholds_ );