00025       getLog() << Log::WARNING << "TotalVisibleMomentum projection is deprecated: "
00026                << "please use the MissingMomentum projection instead." << endl;

I add MissingMomentum projection to get MET. vectorMET() will be available in the next Rivet version (we can add it now if we need), now I use scalarMET() (The scalar-summed (in)visible transverse energy in the event)