;************************************************* ; histo_7.ncl ; ; Concepts illustrated: ; - Specifying the bar fill colors in a histogram ; - Generating dummy data using "rand" ; ;************************************************ ; ; This file is loaded by default in NCL V6.2.0 and newer ; load "$NCARG_ROOT/lib/ncarg/nclscripts/csm/gsn_code.ncl" ;************************************************ begin ;************************************************ ; Generate some random data. ;************************************************ x = new(1000,integer) do i=0,dimsizes(x)-1 x(i) = rand() end do x = x/320 ;************************************************ ; create plot ;************************************************ wks = gsn_open_wks("png","histo") ; send graphics to PNG file res = True ;---Use this with NCL 6.3.0 and earlier res@gsFillColor = (/"black","red","blue","green","brown","yellow"/) ;---Use this with NCL 6.4.0 and later ; res@gsnHistogramBarColors = (/"black","red","blue","green","brown","yellow"/) plot = gsn_histogram(wks,x,res) ; create histogram with 10 bins end