[Rivet] 2d histos options

[Hendrik Hoeth]

Hi James,

Thus spake James Monk (jmonk at hep.ucl.ac.uk):

> So, of the two options, is using 1-d histos but combining them
> afterwards my best option?  The majority of the generator comparisons
> would be done with 1-d plots anyway, but obviously we would like to
> include the full 2-d plots, too.  Has anyone a better method?

2D histograms are available in Rivet, and aida2flat should do the right
thing to produce a file that make-plots converts into a color map. At
least that worked for me last time I tried.

Cheers,

   Hendrik

-- 
It pays to be obvious, especially if you have
a reputation for subtlety.    -- Isaac Asimov