Polymarker's color

Hi

I had the following piece of code to plot some data points as markers on
a map.
However, I ran into issue that changing color of the markers does not
seem to work on the output.

Could someone point out to me what I had done incorrectly?

Thanks
Agnes

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

begin

  wks = gsn_open_wks("x11","d01_AIRS_data_location") ;
open a ps file
  res = True ; plot mods desired
  res@mpProjection = "LambertConformal" ; choose map
projection
  res@mpFillOn = False ; turn off map fill
  res@mpOutlineBoundarySets = "geophysicalandusstates"; turn on states
  res@mpDataBaseVersion = "mediumres" ; select database
  res@mpDataSetName = "Earth..1"
  res@tiMainString = "Coverage of AIRS data in domain 1"
  res@mpMinLatF = 17 ; min lat to mask
  res@mpMaxLatF = 40 ; max lat to mask
  res@mpMinLonF = -127 ; min lon to mask
  res@mpMaxLonF = -73 ; max lon to mask

  res@gsnMaskLambertConformal = True ; turn on lc masking
  res@gsnDraw = False
  res@gsnFrame = False
  plot = gsn_csm_map(wks,res) ; draw satellite proj map
  delete(res)

  nrows = 119
  ncols = 2
  data =
asciiread("/home/alim/DA_analysus_verification/src/domain_1_obs",(/nrows,ncols/),"float")

  lat=data(:,0)
  lon=data(:,1)
res=True
  res@xyMarkLineModes = "Markers" ; choose which have
markers
  res@gsMarkerIndex = 16 ; Marker size
  res@xyMarkerColor = "green" ; Marker color

  cplot = gsn_add_polymarker(wks, plot, lon, lat, res)
  gsnMaximize = True
  draw(plot)
  frame(wks)

end

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Received on Wed Jun 16 09:34:55 2010