ref line

Hi, can I have more than one reference line.
I am trying to fill of color a barchart but no like you have in example 5
in XY plots. I want to fill, for example from 0<PW<30 red and PW>30 blue.
I added other "refline" but with polylines but I cannot fill with color
above the polyline. Below is what I have until now.
Thank you

 res1 =True
        res1_at_trXMinF = 153
        res1_at_gsnLeftString = "~Z70~Daily PWV COT1 Tucson, Az."
        res1_at_vpWidthF = 7.0
        res1_at_vpHeightF = 3.0
        res1_at_tiXAxisString = "Calendar Day"
        res1_at_tiYAxisString = "PWV (mm)"
        res1_at_gsnXYBarChart = True ; create bar chart
        res1_at_gsnYRefLine = 0 ; reference line
        res1_at_gsnAboveYRefLineColor = "Firebrick3"

        res1_at_trYMaxF = 60

       ;x-bottom axis changes
        res1_at_tmXBMode = "Explicit" ; define own tock marl lebels
        res1_at_tmXBValues =(/161,181,201,221,241/) ;LOcation of
explicit labels
        res1_at_tmXBLabels = (/"6/09","6/29","7/19","8/08","8/28"/)
       ; res3_at_tmXBLabelAngleF = 315. ; change label angle
        res1_at_tmXBMinorOn = False ; No minor tick marks.
        res1_at_tmXBLabelJust = "CenterCenter" ; label justification
        res1_at_tmXBLabelFontHeightF = .2 ; Font size
        res1_at_gsnDraw = False ; don't draw
        res1_at_gsnFrame = False

         ;polylines setup
         res_lines1 = True ; polyline mods
desired
         res_lines1_at_gsLineColor = (/1/) ;color limon real
         res_lines1_at_gsLineThicknessF = 2 ; line thicker
         lines1=new(1,graphic)
         plot(0) = gsn_csm_xy (wks,timeCOT,COT1daily,res1)

lines1(0)=gsn_add_polyline(wks,plot(0),(/153,244/),(/30.,30./),res_lines1)
; add polyline

 Carlos Manuel Minjarez Sosa
 Graduate Student. Atmospheric Sciences Department
 University of Arizona. Physics-Atmospheric Sciences Bldg, Rm 526
 1118 E 4th St. Tel: (520) 621-6843

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Received on Wed Aug 09 2006 - 09:57:41 MDT