having trouble with bar charts

From: Dave Newman (newman AT XXXXXX)
Date: Mon Nov 18 2002 - 12:20:59 MST

Dear NCL-Talk --

I am having some trouble producing bar charts.

The example script at:
  http://www.cgd.ucar.edu/csm/support/CSM_Graphics/Scripts/bar_7.ncl
does not work for me.

Also, in the ncl script below, when I change the device from x11 to eps,
I get a core dump.
I also don't get any colors (msg says that gsnXYBarChartColors not a
valid resource)

Any help would be appreciated. Thanks! 

---

begin
  res                      = True              
  res@gsnFrame             = False               
  res@tiMainString         = "dstmch90 (at Eureka, WA)"
  res@trYMinF              = 0                 
  res@trXMinF              = 0                 
  res@trXMaxF              = 5                 
  res@gsnXYBarChart        = True              
  res@gsnYRefLine          = 0
  res@gsnXYBarChartBarWidth = 0.75             
  res@gsnXYBarChartColors  = (/"firebrick","red","orange","green"/)
  res@tmXBOn               = False             
  res@tiYAxisString        = "DSTQ (Tg kg:S:-1:N:)"
  res@tiXAxisString        = "bin diameter"

  x = (/1,2,3,4/)
  y = (/75.1273, 216.304, 122.906, 13.4263/)
  labels = (/"0-1 :F33:m:F:m","1-2.5 :F33:m:F:m","2.5-5 
:F33:m:F:m","5-10 :F33:m:F:m"/)

  wks = gsn_open_wks("eps","DSTQ_bar")           
  plot = gsn_csm_xy (wks,x,y,res)                 

  txres                     = True                
  txres@txFontHeightF       = 0.015               
  do n = 1, 4
    gsn_text(wks,plot,labels(n-1),n,0.5*y(n-1),txres)
  end do
  frame(wks)

end

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