Make plots for combinations of {(vx()^2 + vy()^2 + vz()^2) < 1, inf} and {pT > 0, 1, 3}, and plot eta vs. phi in slices of npixel, nstrip.
Merge branch 'master' of github.com:jordantucker/cmssw-usercode
Plot dxyerr, dzerr vs. eta, phi and eta vs. phi in slices.
Run over myttbar_samples.