Re: timainstring does not work

Xiao,

You shouldn't get a main string by default when you use
gsn_csm_contour. I think what you might be seeing are the
gsnRightString and/or gsnLeftString titles, which appear at the top
left and top right of your plot.

Try this:

  sres@tiMainOn= False ; Shouldn't be needed
  sres@gsnRightString = ""
  sres@gsnLeftString = ""

--Mary

On Nov 12, 2009, at 4:43 AM, xiao zhang wrote:

> hi, everyone, i am new to NCL and I wrote a script like below.
> However, the mainstring of the overlay
> plot is always on. What mistake do I have here? How can I turn it
> off?
> Thank you very much
> Xiao
>
>
> res=True
> ;res@gsnYAxisIrregular2Linear = True ; no log scale lable
> res@cnLevelSelectionMode = "ExplicitLevels" ; use explicit levels
> res@gsnDraw = False ; do not draw the plot
> res@gsnFrame = False ; do not advance the frame
> res@cnFillOn = True ;turn on the filled
> contour
> res@gsnSpreadColors = True ;the colors used will
> be spread across the whole color map.
> res@gsnMaximize = True ;expanded to fill the
> biggest possible space within a square
> res@cnLineLabelsOn = False ;turn on the line lable
> res@lbTitleOn = True ; turn on title
> res@trYReverse = True ; reverse the Y-axis
> res@lbLabelAngleF = 45 ; angle labels
> res@tiMainString = "Vertical Temperature gradient (Degree/m)"
> res@tiMainFontHeightF = 0.02
> res@lbTitleOn = False ; Turn off the title of the labelbar
> res@pmLabelBarHeightF=0.1 ;change the hight of the box of
> the colorbar
> res@lbLabelFontHeightF =0.012 ; change label size of
> the colorbar
> res@tmXBLabelFontHeightF = 0.016 ;change size of the
> axis tick
> res@tmYBLabelFontHeightF = 0.013 ;change size of the
> axis tick
> res@tiYAxisString = "Depth (m)"
> res@tiXAxisString = "Lon (degree)"
> res@tiXAxisFontHeightF=0.02 ;xy axis name size
> res@tiYAxisFontHeightF=0.02
>
>
> sres = res
> sres@cnLevelSelectionMode = "ExplicitLevels" ; use explicit levels
> sres@cnFillOn = False ; do not color fill
> sres@cnLinesOn = True ; turn the contour
> lines on
> sres@cnLineLabelsOn = True ; turn the line
> labels on
> sres@tiMainOn=True
> sres@tiMainString = "" ; do not draw a main
> title
> ; delete(sres@cnLevels) ; needed as the size
> of the cnLevels attribute is about to change (next line)
> sres@cnLevels = ispan(284,332,2) ; set a different
> set of contour levels
> sres@cnInfoLabelOrthogonalPosF = 0.4 ; push the InfoLabel
> down below the label bar
>
> plot = gsn_csm_contour(wks,dtdz(dep1|1:28,lat1|224,lon1|160:280),res)
> plot_ov = gsn_csm_contour(wks,oceant(dep|1:28,lat|224,lon|
> 160:280),sres)
>
> overlay(plot,plot_ov) ; overlay the U-wind
> plot on the temperature plot
> draw(plot) ; draw the temperature
> plot (with the U-wind plot overlaid)
> frame(wks) ; advance the frame
>
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Received on Thu Nov 12 08:44:45 2009