Errors representations on 2D histograms

Errors can be mapped on the colours

      zone 2 2
      fun2 2 x**2*y 20 -1 1 20 -1 1 ' '
      fun2 3 sin(x)*cos(y) 20 -6 6 20 -6 6 ' '
      h/plot 2 surf1
1     H/PLOT 2 SURF1,E                                                                         
      zone 1 2 2 s
2     V/CR ERR(400)                                                                            
2     GET/CONT 3 ERR                                                                           
2     PUT/ERR 2 ERR                                                                            
2     H/PLOT 2 SURF1,E,Z
  1. 2D histograms can be plotted with errors. With options, like SURF1, in which colors are involved, the errors are mapped onto the color map.
  2. By default the errors on a histogram are the square root of the content. It is possible to define the errors with the command PUT/ERR .

PAW TutorialLast update: 1999/04/01 14.58
Olivier.Couet@Cern.Ch