NCL 4.2.0.a032 and wmbarb

From: Addy Fu (addyfu AT XXXXXX)
Date: Tue Dec 14 2004 - 01:47:42 MST

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    Dear Everyone,

    I am trying use version 4.2.0.a031 and trying to migrate to version
    4.2.0.a032.

    When I tried to use the wmbarb function, it failed to plot the windbarb
    as expected.

    Attached is a sample code which works fine in the previous version but
    not the latest one. The sample has been tested under CYGWIN and RH9
    platform and both got the same result. Please note the program will work
    well when the function "datatondc" has been called.

    It will be great if able to know if something has been changed
    implicitly in the new version.

    Thanks a lot for all your help.

    Best regards,
    Addy

    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", "test_sample")
      
      res_temp = True
      res_temp@gsnDraw = False
      res_temp@gsnFrame = False
      plot_temp = gsn_csm_xy(wks, (/28.2, 16.7/), (/0.5, 49.2/), res_temp)

    ;========================================================
    ; Must call datatondc function once in 4.2.0.a032 ??
    ;
    ; a = 0.1
    ; b = 0.1
    ; datatondc(plot_temp, 1,1, a,b)
    ;========================================================
      
      wmbarb(wks, (/22.2,20.3/), (/14.3,12.0/), (/22.2,20.3/), (/14.3,12.0/))

      draw(wks)
      frame(wks)
    end


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