plotting problem

Hi,

I want to make a plot that zooms over a certain region of the map and also get the plot in the biggest size possible. I use gsnMaximize but it doesn't seem to work unless I plot all map.
When I use the below code I get the box only plotted on a global map and all is very small
Could someone please tell me how to I get a plot that is zooming in over a region and is in the biggest size possible ( on the plotting area ) ? and also what error I'm doing that gsnMaximize doesn't work ?
The code I'm using is

 wks = gsn_open_wks("x11","proj") ; open a ps file
   gsn_define_colormap(wks,"BlueRed")

   res = True
   res@cnInfoLabelOn = False ; turn off cn info label
   res@gsnMaximize = True
  res@gsnPaperOrientation = "Landscape"

  res@mpMinLatF = -20. ; set the minimum latitude
  res@mpMaxLatF = 20. ; set the maximum latitude
  …………………………….

 ; res@tiMainString = "Trend over Atlantic " ; add a title
  plot = gsn_csm_contour_map_ce(wks,p3(:,:,0),res)

Thanks,

Ioana
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Received on Mon Jan 21 12:44:46 2013