;----------------------------------------------------------------------
; This is a basic NCL template for creating XY plots.
;----------------------------------------------------------------------

load "$NCARG_ROOT/lib/ncarg/nclscripts/csm/gsn_code.ncl"
load "$NCARG_ROOT/lib/ncarg/nclscripts/csm/gsn_csm.ncl"

begin
;---Read data
  a = addfile("file.nc","r")
  x = a->x
  y = a->y

;---Open workstation and change color map
  wks = gsn_open_wks("x11","xy")   ; "ps", "pdf", "png"

;---Set some resources
  res                   = True

  res@gsnMaximize       = True     ; maximize plot in frame

;---These are sample resources you might want to set.
  res@xyLineColor       = "blue"   ; use xyLineColors if multiple lines
  res@xyLineThicknessF  = 2.5      ; default is 1.0
  res@xyDashPattern     = 2        ; default is 0 (solid line)

  res@xyMarkLineMode    = "MarkLine" ; "lines", "markers"
  res@xyMarker          = 16         ; default is 0 (asterisk)

  res@xyMonoDashPattern = True     ; if want solid lines for all curves

  res@tiMainString      = "This is a main title"

  xyplot = gsn_csm_xy(wks,x,y,res)   ; use gsn_csm_y if no X values.
end