;*************************************************
; NCL Graphics: color_1.ncl
;************************************************
load "$NCARG_ROOT/lib/ncarg/nclscripts/csm/gsn_code.ncl"
load "$NCARG_ROOT/lib/ncarg/nclscripts/csm/gsn_csm.ncl"  
;************************************************
begin
;************************************************
; read in netCDF file
;************************************************
  a = addfile("uv300.nc","r")
  u = a->U(1,:,:)                                ; read July zonal winds
;************************************************
; create plot
;************************************************
  wks = gsn_open_wks("ps","color")              ; open a ps file
 
  res                      = True               ; plot mods desired
  res@tiMainString         = "Default Color"    ; main title
  res@cnFillOn             = True               ; turn on color fill

  plot = gsn_csm_contour_map_ce(wks,u, res)     ; create plot
  end