Ntuple and 2D histograms: projections

2D Ntuple distributions and 2D histograms projections
      hi/file 2 rwn_aptuple.hbook
      clr
      2d 20 ' ' 12 3 15 16 0 16 0.
1     NT/PROJECT 20 //lun2/10.STEP%GRADE                                                       
      lego 20 20 40
2     PROX 20                                                                                  
3     H/PRO 20                                                                                 
4     H/PLOT 20.prox

NT/PROJ allows to fill an histogram with data read in a Ntuple without plotting the result.
Create the projection onto the x axis. The commands PROX , PROY , SLIX , SLIY , BANX and BANY allows to define projections.
Fill the projection .
Plot the projection.

			PAW Tutorial	Last update: 1999/04/01 14.59	Olivier.Couet@Cern.Ch