[ncl-talk] panel plots with overlays
Alex Schaefer
alexander.schaefer at mines.sdsmt.edu
Thu Jul 30 22:37:52 MDT 2015
Hi Mira,
I copied these lines from your script and ran them locally:
wks = gsn_open_wks("ps","Panel_NAO_z_500") ; open a ps file
gsn_define_colormap(wks,"temp1")
plot = new(3,graphic) ; create a plot array
;---- set common resources for all plots
res = True
res at gsnDraw = False ; dont draw
res at gsnFrame = False ; dont advance frame
res at cnInfoLabelOn = False ; trn off cn info label
res at gsnAddCyclic = False ; has to do with wrapping the longitude at 0/360
res at cnFillPalette = "matlab_jet"
;************************************************
; Choose a subregion
;************************************************
res at mpMaxLatF = 90 ;maximum latitude
res at mpMinLatF = 45 ;minimum latitude
res at mpMaxLonF = 357.5 ; ;maximum longitude
res at mpMinLonF = 270 ;minimum longitude
;res at mpFillBoundarySets = AllBoundaries
res at mpOutlineBoundarySets = "National"
res at mpOutlineOn = True
res at mpOutlineDrawOrder = "PostDraw"
mpid = gsn_csm_map(wks,res)
I got an error and made a change in your lons. I set them to 0 and -90 respectively and got this base map. Is this what you were looking for?
-Alex
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> On Jul 30, 2015, at 9:00 PM, mberdahl at envsci.rutgers.edu wrote:
>
> Hi Alex,
> Thanks again for the help. Setting the workstation colormap worked once I
> realized I have an older version (6.0.0) of NCL so there is a limited set
> of colormaps available.
> I still, however, can't get a base map plotted. I've tried a couple
> things, including what you suggested below, but this doesn't work. I've
> tried creating a map and overlaying it with the contour and vectors, but
> it doesn't work. I receive the following error and warnings:
>
>
> ^Mfatal:NhlAddOverlay: tranform is already an annotation or overlay: 74
> ^Mwarning:ContourPlotSetValues: attempt to set overlay member plot view
> ignored
> ^Mwarning:ContourPlotSetValues: attempt to set overlay member plot view
> ignored
> ^Mwarning:ContourPlotSetValues: attempt to set overlay member plot view
> ignored
> ^Mwarning:NhlDraw: cannot draw Plot Member, ID 262, independently
> ^Mwarning:NhlDraw: cannot draw Plot Member, ID 298, independently
> ^Mwarning:NhlDraw: cannot draw Plot Member, ID 334, independently
>
>
>
> My code is copied below.
>
>
> Any thoughts?
> Thanks again,
> Mira
>
>
>
>
>
>
>
>
> load "$NCARG_ROOT/lib/ncarg/nclscripts/csm/gsn_code.ncl"
> load "$NCARG_ROOT/lib/ncarg/nclscripts/csm/gsn_csm.ncl"
> load "$NCARG_ROOT/lib/ncarg/nclscripts/csm/contributed.ncl"
> load "$NCARG_ROOT/lib/ncarg/nclscripts/csm/shea_util.ncl"
> ;************************************************
> begin
> ;************************************************
> ; read in netCDF file s
> ;************************************************
> a = addfile("uwnd.mon.mean.alllevels.nc","r") ; u winds
> b = addfile("vwnd.mon.mean.alllevels.nc","r") ; v winds
>
> c = addfile("../Geopotential/hgt.mon.mean.nc","r") ; geopotential heights.
>
> ;************************************************
> ; read in zonal [u] and meridional [v] winds (July)
> ;************************************************
>
> u = a->uwnd(0:803,{500},{45:90},{270:357.5})
> v = b->vwnd(0:803,{500},{45:90},{270:357.5}) ; Get u, v, time (1),level
> (1000hpa),latitude(-90:90) and longitude(0:360) data.
> z = c->hgt(0:803,{500},{45:90},{270:357.5}) ; get geopotenial heights...
>
> printVarSummary(u)
> printVarSummary(v)
> printVarSummary(z)
>
> ; Calculate the seasonal averages.
> uDJF = month_to_season(u, "DJF")
> vDJF = month_to_season(v, "DJF")
> zDJF = month_to_season(z, "DJF")
>
> printVarSummary(uDJF)
> printVarSummary(vDJF)
> printVarSummary(zDJF)
>
> ; from the matlab script i wrote: findExtremeYrs, i pulled out the extreme
> years (> or < 1std) that i want to average and plot here.
>
> ; for ans = 4 (NAO)
> ; yearList_hi = 1973 1975 1983 1989 1995
> 2000 2007 2012
> ; yearList_lo = 1963 1964 1965 1969 1977
> 1979 1996 1997 2010 2011
>
>
> ; this data starts at 1948 (this is index 0), so 1953=5, 1963=15 etc.
>
> uDJF_NAO_hi = uDJF((/25,27,35,41,47,52,59,64/),:,:)
> uDJF_NAO_lo = uDJF((/15,16,17,21,29,31,48,49,62,63/),:,:)
>
> vDJF_NAO_hi = vDJF((/25,27,35,41,47,52,59,64/),:,:)
> vDJF_NAO_lo = vDJF((/15,16,17,21,29,31,48,49,62,63/),:,:)
>
> zDJF_NAO_hi = zDJF((/25,27,35,41,47,52,59,64/),:,:)
> zDJF_NAO_lo = zDJF((/15,16,17,21,29,31,48,49,62,63/),:,:)
>
>
> uAvgTime_hi = dim_avg_n_Wrap(uDJF_NAO_hi,0)
> uAvgTime_lo = dim_avg_n_Wrap(uDJF_NAO_lo,0)
>
> printVarSummary(uAvgTime_hi)
> printVarSummary(uAvgTime_lo)
>
> vAvgTime_hi = dim_avg_n_Wrap(vDJF_NAO_hi,0)
> vAvgTime_lo = dim_avg_n_Wrap(vDJF_NAO_lo,0)
>
> printVarSummary(vAvgTime_hi)
> printVarSummary(vAvgTime_lo)
>
> zAvgTime_hi = dim_avg_n_Wrap(zDJF_NAO_hi,0)
> zAvgTime_lo = dim_avg_n_Wrap(zDJF_NAO_lo,0)
>
> printVarSummary(zAvgTime_hi)
> printVarSummary(zAvgTime_lo)
>
> ; dirty way to copy metadata over first.
> diff_u = uAvgTime_hi;
> diff_v = vAvgTime_hi;
> diff_z = zAvgTime_hi;
>
> diff_u = uAvgTime_hi - uAvgTime_lo
> diff_v = vAvgTime_hi - vAvgTime_lo
> diff_z = zAvgTime_hi - zAvgTime_lo
>
> printVarSummary(diff_u)
> printVarSummary(diff_v)
> printVarSummary(diff_z)
>
> ;************************************************
> ; create plot
> ;************************************************
> wks = gsn_open_wks("ps","Panel_NAO_z_500") ; open a ps file
> gsn_define_colormap(wks,"temp1")
>
> plot = new(3,graphic) ; create a plot array
>
> ;---- set common resources for all plots
> res = True
> res at gsnDraw = False ; dont draw
> res at gsnFrame = False ; dont advance frame
> res at cnInfoLabelOn = False ; trn off cn info label
> res at gsnAddCyclic = False ; has to do with wrapping the longitude at 0/360
> res at cnFillPalette = "matlab_jet"
> ;************************************************
> ; Choose a subregion
> ;************************************************
> res at mpMaxLatF = 90 ;maximum latitude
> res at mpMinLatF = 45 ;minimum latitude
> res at mpMaxLonF = 357.5 ; ;maximum longitude
> res at mpMinLonF = 270 ;minimum longitude
> ;res at mpFillBoundarySets = AllBoundaries
> res at mpOutlineBoundarySets = "National"
> res at mpOutlineOn = True
> res at mpOutlineDrawOrder = "PostDraw"
>
> mpid = gsn_csm_map(wks,res)
>
> ;***********************************************
> ; ----wind vector plot
> ;***********************************************
> vcres = res
> vcres at vcRefAnnoOrthogonalPosF = -1.0 ; move ref vector up
> vcres at vcRefMagnitudeF = 10.0 ; define vector ref mag
> vcres at vcRefLengthF = 0.045 ; define length of vec ref
> vcres at vcGlyphStyle = "CurlyVector" ; turn on curly vectors
> vcres at vcMinDistanceF = 0.017
> vcres at mpFillOn = False ; turn off gray fill
> vcres at mpOutlineBoundarySets = "National" ; turn on country boundaries
> ;vcres at mpFillBoundarySets = AllBoundaries
> vcres at mpGeophysicalLineColor = "Navy" ; color of cont. outlines
> vcres at mpGeophysicalLineThicknessF = 1.5 ; thickness of outlines
>
>
> ;vcres at gsnLeftString = "DJF High NAO"
> ; was previously winds_hi =
> gsn_csm_vector_map_ce(wks,uAvgTime_hi,vAvgTime_hi,vcres)
> winds_hi = gsn_csm_vector(wks,uAvgTime_hi,vAvgTime_hi,vcres)
> ;vcres at gsnLeftString = "DJF Low NAO"
> winds_lo = gsn_csm_vector(wks,uAvgTime_lo,vAvgTime_lo,vcres)
> ;vcres at gsnLeftString = "Difference of High - Low"
> winds_diff = gsn_csm_vector(wks, diff_u, diff_v,vcres)
> ;************************************************
> ;---- geopotential height filled contour plot
> ;***********************************************
> zfres = res
> zfres at cnFillOn = True
> ;zfres at cnLevelSelectionMode = "ExplicitLevels
> ;zfres at cnLevels = ispan(-20,90,5)
> zfres at lbLabelFontHeightF = 0.015
> zfres at lbOrientation = "Vertical"
> zfres at pmLabelBarOrthogonalPosF = -0.005
> zfres at cnFillPalette = "BlWhRe"
>
> contour_zf_hi = gsn_csm_contour(wks,zAvgTime_hi,zfres)
> contour_zf_lo = gsn_csm_contour(wks,zAvgTime_lo,zfres)
> contour_zf_diff = gsn_csm_contour(wks,diff_z,zfres)
>
> plot(0) = gsn_csm_contour(wks,zAvgTime_hi,zfres)
> plot(1) = gsn_csm_contour(wks,zAvgTime_lo,zfres)
> plot(2) = gsn_csm_contour(wks,diff_z,zfres)
>
> ;overlay(plot(0),winds_hi)
> overlay(mpid,plot(0))
> overlay(mpid,winds_hi)
>
> ;overlay(plot(1),winds_lo)
> overlay(mpid,plot(1))
> overlay(mpid,winds_lo)
>
> ;overlay(plot(2),winds_diff)
> overlay(mpid,plot(2))
> overlay(mpid,winds_lo)
>
>
> ;************************************************
> ; create panel
> ;************************************************
> resP = True ; modify the panel plot
> resP at txString = "NAO 500mb"
> gsn_panel(wks,plot,(/3,1/),resP) ; now draw as one plot;
>
>
> end
>
>
>
>
>
>
>> Hi Mira,
>>
>> As for the color bar, I would suggest either using cnFillColors or setting
>> the color table for the workstation, I usually just set the color table
>> for workstation.
>>
>> After you open the workstation:
>>
>> wks = gsn_open_wks("ps","Panel_NAO_z_500")
>>
>> Do:
>> gsn_define_colormap(wks, “matlab_jetâ€)
>>
>> You can choose the color palette that you want and put the name in quotes.
>>
>> As for the coastlines, maybe set:
>>
>> mpDataSetName = “Earth..4â€
>>
>> You can also try setting mpFillBoundarySets = AllBoundaries and see if
>> that helps.
>>
>> Hope that helps,
>> -Alex
>>
>>
>>
>>
>>> On Jul 29, 2015, at 8:28 PM, mberdahl at envsci.rutgers.edu wrote:
>>>
>>> Hi Alex,
>>>
>>> Great! Now I have three panels, in the correct region, with filled
>>> contours and overlaid wind vectors. Thanks! I have two outstanding
>>> problems still: I'm trying to change the color bar for the filled
>>> contours, as the default in the older version of ncl is not very
>>> appealing. When I try to do res at cnFillPalette = "matlab_jet", or any
>>> other choice for that matter, I receive the following warning:
>>>
>>> warning:cnFillPalette is not a valid resource in Panel_NAO_z_500_vector
>>> at
>>> this time
>>>
>>> I'm not exactly sure why I can't seem to change the contour fill
>>> palette.
>>>
>>> Secondly, I still don't see a map of coastlines on my figures. Do you
>>> know how to add one?
>>>
>>> Thank you very much again,
>>> Mira
>>>
>>>
>>>> Hi Mira,
>>>>
>>>> You arenÂ’t seeing vectors or map because they a buried under the
>>>> filled
>>>> contours. You may want to flip the plots around and do the contours as
>>>> a
>>>> map and overlay the vectors on top of the contours.
>>>>
>>>> Upon further analysis of your script, you were doing the overlay on
>>>> contour plots but then using different contour plots for the panel
>>>> plot.
>>>> Below I have altered your script, try it this way and see how it goes.
>>>>
>>>> I am not sure if you have made any more recent changes to this script
>>>> but
>>>> this is using the last one you sent.
>>>>
>>>> Hope that helps,
>>>> -Alex
>>>>
>>>>
>>>> ;*****************************************
>>>> ; ; plot average winds overlayed on geopotental filled contours for the
>>>> years that are extreme
>>>> ; the years are found with my matlab script findExtremeYrs.m
>>>> ; this particlar script does the years that correspond to high
>>>> correlation
>>>> with DJF, SE precip and NAO
>>>> ;*****************************************
>>>> ; the original data goes from 1948 January to April 2015.
>>>> ; I will cut it out to 2014 December, so we have something divisible by
>>>> 12
>>>> so we can do seasonal averages...
>>>>
>>>>
>>>> load "$NCARG_ROOT/lib/ncarg/nclscripts/csm/gsn_code.ncl"
>>>> load "$NCARG_ROOT/lib/ncarg/nclscripts/csm/gsn_csm.ncl"
>>>> load "$NCARG_ROOT/lib/ncarg/nclscripts/csm/contributed.ncl"
>>>> load "$NCARG_ROOT/lib/ncarg/nclscripts/csm/shea_util.ncl"
>>>> ;************************************************
>>>> begin
>>>> ;************************************************
>>>> ; read in netCDF file s
>>>> ;************************************************
>>>> a = addfile("uwnd.mon.mean.alllevels.nc","r") ; u winds
>>>> b = addfile("vwnd.mon.mean.alllevels.nc","r") ; v winds
>>>>
>>>> c = addfile("../Geopotential/hgt.mon.mean.nc","r") ; geopotential
>>>> heights.
>>>>
>>>> ;************************************************
>>>> ; read in zonal [u] and meridional [v] winds (July)
>>>> ;************************************************
>>>>
>>>> u = a->uwnd(0:803,{500},{45:90},{270:357.5})
>>>> v = b->vwnd(0:803,{500},{45:90},{270:357.5}) ; Get u, v, time (1),level
>>>> (1000hpa),latitude(-90:90) and longitude(0:360) data.
>>>> z = c->hgt(0:803,{500},{45:90},{270:357.5}) ; get geopotenial
>>>> heights...
>>>>
>>>> printVarSummary(u)
>>>> printVarSummary(v)
>>>> printVarSummary(z)
>>>>
>>>> ; Calculate the seasonal averages.
>>>> uDJF = month_to_season(u, "DJF")
>>>> vDJF = month_to_season(v, "DJF")
>>>> zDJF = month_to_season(z, "DJF")
>>>>
>>>> printVarSummary(uDJF)
>>>> printVarSummary(vDJF)
>>>> printVarSummary(zDJF)
>>>>
>>>> ; from the matlab script i wrote: findExtremeYrs, i pulled out the
>>>> extreme
>>>> years (> or < 1std) that i want to average and plot here.
>>>>
>>>> ; for ans = 4 (NAO)
>>>> ; yearList_hi = 1973 1975 1983 1989 1995
>>>> 2000 2007 2012
>>>> ; yearList_lo = 1963 1964 1965 1969 1977
>>>> 1979 1996 1997 2010 2011
>>>>
>>>>
>>>> ; this data starts at 1948 (this is index 0), so 1953=5, 1963=15 etc.
>>>>
>>>> uDJF_NAO_hi = uDJF((/25,27,35,41,47,52,59,64/),:,:)
>>>> uDJF_NAO_lo = uDJF((/15,16,17,21,29,31,48,49,62,63/),:,:)
>>>>
>>>> vDJF_NAO_hi = vDJF((/25,27,35,41,47,52,59,64/),:,:)
>>>> vDJF_NAO_lo = vDJF((/15,16,17,21,29,31,48,49,62,63/),:,:)
>>>>
>>>> zDJF_NAO_hi = zDJF((/25,27,35,41,47,52,59,64/),:,:)
>>>> zDJF_NAO_lo = zDJF((/15,16,17,21,29,31,48,49,62,63/),:,:)
>>>>
>>>>
>>>> uAvgTime_hi = dim_avg_n_Wrap(uDJF_NAO_hi,0)
>>>> uAvgTime_lo = dim_avg_n_Wrap(uDJF_NAO_lo,0)
>>>>
>>>> printVarSummary(uAvgTime_hi)
>>>> printVarSummary(uAvgTime_lo)
>>>>
>>>> vAvgTime_hi = dim_avg_n_Wrap(vDJF_NAO_hi,0)
>>>> vAvgTime_lo = dim_avg_n_Wrap(vDJF_NAO_lo,0)
>>>>
>>>> printVarSummary(vAvgTime_hi)
>>>> printVarSummary(vAvgTime_lo)
>>>>
>>>> zAvgTime_hi = dim_avg_n_Wrap(zDJF_NAO_hi,0)
>>>> zAvgTime_lo = dim_avg_n_Wrap(zDJF_NAO_lo,0)
>>>>
>>>> printVarSummary(zAvgTime_hi)
>>>> printVarSummary(zAvgTime_lo)
>>>>
>>>> ; dirty way to copy metadata over first.
>>>> diff_u = uAvgTime_hi;
>>>> diff_v = vAvgTime_hi;
>>>> diff_z = zAvgTime_hi;
>>>>
>>>> diff_u = uAvgTime_hi - uAvgTime_lo
>>>> diff_v = vAvgTime_hi - vAvgTime_lo
>>>> diff_z = zAvgTime_hi - zAvgTime_lo
>>>>
>>>> printVarSummary(diff_u)
>>>> printVarSummary(diff_v)
>>>> printVarSummary(diff_z)
>>>>
>>>> ;************************************************
>>>> ; create plot
>>>> ;************************************************
>>>> wks = gsn_open_wks("ps","Panel_NAO_z_500") ; open a ps file
>>>> plot = new(3,graphic) ; create a plot array
>>>>
>>>> ;---- set common resources for all plots
>>>> res = True
>>>> res at gsnDraw = False ; dont draw
>>>> res at gsnFrame = False ; dont advance frame
>>>> res at cnInfoLabelOn = False ; trn off cn info label
>>>> res at gsnAddCyclic = False ; has to do with wrapping the longitude at
>>>> 0/360
>>>> ;************************************************
>>>> ; Choose a subregion
>>>> ;************************************************
>>>> res at mpMaxLatF = 90 ;maximum latitude
>>>> res at mpMinLatF = 45 ;minimum latitude
>>>> res at mpMaxLonF = 357.5 ; ;maximum longitude
>>>> res at mpMinLonF = 270 ;minimum longitude
>>>>
>>>> ;************************************************
>>>> ; Map Options
>>>> ;************************************************
>>>> res at mpOutlineBoundarySets = "National" ; turn on country boundaries
>>>> res at mpGeophysicalLineColor = "Navy" ; color of cont. outlines
>>>> res at mpGeophysicalLineThicknessF = 1.5 ; thickness of outlines
>>>>
>>>> ;***********************************************
>>>> ; ----wind vector plot
>>>> ;***********************************************
>>>> vcres = res
>>>> vcres at vcRefAnnoOrthogonalPosF = -1.0 ; move ref vector up
>>>> vcres at vcRefMagnitudeF = 10.0 ; define vector ref mag
>>>> vcres at vcRefLengthF = 0.045 ; define length of vec ref
>>>> vcres at vcGlyphStyle = "CurlyVector" ; turn on curly vectors
>>>> vcres at vcMinDistanceF = 0.017
>>>> vcres at mpFillOn = False ; turn off gray fill
>>>>
>>>> ;vcres at gsnLeftString = "DJF High NAO"
>>>> winds_hi = gsn_csm_vector(wks,uAvgTime_hi,vAvgTime_hi,vcres)
>>>> ;vcres at gsnLeftString = "DJF Low NAO"
>>>> winds_lo = gsn_csm_vector(wks,uAvgTime_lo,vAvgTime_lo,vcres)
>>>> ;vcres at gsnLeftString = "Difference of High - Low"
>>>> winds_diff = gsn_csm_vector(wks, diff_u, diff_v,vcres)
>>>> ;************************************************
>>>> ;---- geopotential height filled contour plot
>>>> ;***********************************************
>>>> zfres = res
>>>> zfres at cnFillOn = True
>>>> ;zfres at cnLevelSelectionMode = "ExplicitLevels
>>>> ;zfres at cnLevels = ispan(-20,90,5)
>>>> zfres at lbLabelFontHeightF = 0.015
>>>> zfres at lbOrientation = "Vertical"
>>>> zfres at pmLabelBarOrthogonalPosF = -0.005
>>>>
>>>> plot(0) = gsn_csm_contour_map_ce(wks,zAvgTime_hi,zfres)
>>>> plot(1) = gsn_csm_contour_map_ce(wks,zAvgTime_lo,zfres)
>>>> plot(2) = gsn_csm_contour_map_ce(wks,diff_z,zfres)
>>>>
>>>> overlay(plot(0),winds_hi)
>>>> overlay(plot(1),winds_lo)
>>>> overlay(plot(2),winds_diff)
>>>>
>>>> ;************************************************
>>>> ; create panel
>>>> ;************************************************
>>>> resP = True ; modify the panel plot
>>>> resP at txString = "NAO 500mb"
>>>> gsn_panel(wks,plot,(/3,1/),resP) ; now draw as one plot;
>>>>
>>>>
>>>> end
>>>>
>>>>
>>>>> On Jul 29, 2015, at 1:57 PM, mberdahl at envsci.rutgers.edu wrote:
>>>>>
>>>>> Hi Alex,
>>>>> Great - thanks for the suggestions! That does help, but does not
>>>>> totally
>>>>> solve my problem. Now I get three panel plots of the correct region
>>>>> and
>>>>> all on one page which is great. But only the filled contours show.
>>>>> There
>>>>> are no overlaid vectors or map of coastal boundaries. Any suggestions
>>>>> would be greatly appreciated.
>>>>> Thanks so much!
>>>>> Mira
>>>>>
>>>>>
>>>>>
>>>>>> Hi Mira,
>>>>>>
>>>>>> I think the issue here is that you set a bunch of resources as res
>>>>>> but
>>>>>> then set vres to True instead of res. I think switching it to vres =
>>>>>> res
>>>>>> will give you the maps you were expecting. I see you also set res =
>>>>>> True
>>>>>> twice, might be helpful to remove the double.
>>>>>>
>>>>>> Hope that helps,
>>>>>> -Alex
>>>>>>
>>>>>>
>>>>>>> On Jul 27, 2015, at 9:39 PM, mberdahl at envsci.rutgers.edu wrote:
>>>>>>>
>>>>>>> Hi Alex,
>>>>>>> Thanks for the suggestion. I tried this and now I do not have the
>>>>>>> same
>>>>>>> error message any more, so that is good. However, I am now just
>>>>>>> getting
>>>>>>> 3
>>>>>>> blank plots of the whole world, even though I'd like plots with
>>>>>>> overlaid
>>>>>>> geopotential height and winds, for just a region over Greenland.
>>>>>>> These
>>>>>>> are
>>>>>>> followed by a fourth figure that has filled contours of the correct
>>>>>>> region, but no map or wind vectors. I'll attach the figures as an
>>>>>>> attachment here. They are not panel plots as I want, but each
>>>>>>> figure
>>>>>>> is
>>>>>>> on its own page. I'll copy the updated code below.
>>>>>>> Any thoughts?
>>>>>>> Thanks!
>>>>>>> Mira
>>>>>>>
>>>>>>>
>>>>>>>
>>>>>>>
>>>>>>> ;*****************************************
>>>>>>> ; ; plot average winds overlayed on geopotental filled contours for
>>>>>>> the
>>>>>>> years that are extreme
>>>>>>> ; the years are found with my matlab script findExtremeYrs.m
>>>>>>> ; this particlar script does the years that correspond to high
>>>>>>> correlation
>>>>>>> with DJF, SE precip and NAO
>>>>>>> ;*****************************************
>>>>>>> ; the original data goes from 1948 January to April 2015.
>>>>>>> ; I will cut it out to 2014 December, so we have something divisible
>>>>>>> by
>>>>>>> 12
>>>>>>> so we can do seasonal averages...
>>>>>>>
>>>>>>>
>>>>>>> load "$NCARG_ROOT/lib/ncarg/nclscripts/csm/gsn_code.ncl"
>>>>>>> load "$NCARG_ROOT/lib/ncarg/nclscripts/csm/gsn_csm.ncl"
>>>>>>> load "$NCARG_ROOT/lib/ncarg/nclscripts/csm/contributed.ncl"
>>>>>>> load "$NCARG_ROOT/lib/ncarg/nclscripts/csm/shea_util.ncl"
>>>>>>> ;************************************************
>>>>>>> begin
>>>>>>> ;************************************************
>>>>>>> ; read in netCDF file s
>>>>>>> ;************************************************
>>>>>>> a = addfile("uwnd.mon.mean.alllevels.nc","r") ; u winds
>>>>>>> b = addfile("vwnd.mon.mean.alllevels.nc","r") ; v winds
>>>>>>>
>>>>>>> c = addfile("../Geopotential/hgt.mon.mean.nc","r") ; geopotential
>>>>>>> heights.
>>>>>>>
>>>>>>> ;************************************************
>>>>>>> ; read in zonal [u] and meridional [v] winds (July)
>>>>>>> ;************************************************
>>>>>>>
>>>>>>> u = a->uwnd(0:803,{500},{45:90},{270:357.5})
>>>>>>> v = b->vwnd(0:803,{500},{45:90},{270:357.5}) ; Get u, v, time
>>>>>>> (1),level
>>>>>>> (1000hpa),latitude(-90:90) and longitude(0:360) data.
>>>>>>> z = c->hgt(0:803,{500},{45:90},{270:357.5}) ; get geopotenial
>>>>>>> heights...
>>>>>>>
>>>>>>> printVarSummary(u)
>>>>>>> printVarSummary(v)
>>>>>>> printVarSummary(z)
>>>>>>>
>>>>>>> ; Calculate the seasonal averages.
>>>>>>> uDJF = month_to_season(u, "DJF")
>>>>>>> vDJF = month_to_season(v, "DJF")
>>>>>>> zDJF = month_to_season(z, "DJF")
>>>>>>>
>>>>>>> printVarSummary(uDJF)
>>>>>>> printVarSummary(vDJF)
>>>>>>> printVarSummary(zDJF)
>>>>>>>
>>>>>>> ; from the matlab script i wrote: findExtremeYrs, i pulled out the
>>>>>>> extreme
>>>>>>> years (> or < 1std) that i want to average and plot here.
>>>>>>>
>>>>>>> ; for ans = 4 (NAO)
>>>>>>> ; yearList_hi = 1973 1975 1983 1989 1995
>>>>>>> 2000 2007 2012
>>>>>>> ; yearList_lo = 1963 1964 1965 1969 1977
>>>>>>> 1979 1996 1997 2010 2011
>>>>>>>
>>>>>>>
>>>>>>> ; this data starts at 1948 (this is index 0), so 1953=5, 1963=15
>>>>>>> etc.
>>>>>>>
>>>>>>> uDJF_NAO_hi = uDJF((/25,27,35,41,47,52,59,64/),:,:)
>>>>>>> uDJF_NAO_lo = uDJF((/15,16,17,21,29,31,48,49,62,63/),:,:)
>>>>>>>
>>>>>>> vDJF_NAO_hi = vDJF((/25,27,35,41,47,52,59,64/),:,:)
>>>>>>> vDJF_NAO_lo = vDJF((/15,16,17,21,29,31,48,49,62,63/),:,:)
>>>>>>>
>>>>>>> zDJF_NAO_hi = zDJF((/25,27,35,41,47,52,59,64/),:,:)
>>>>>>> zDJF_NAO_lo = zDJF((/15,16,17,21,29,31,48,49,62,63/),:,:)
>>>>>>>
>>>>>>>
>>>>>>> uAvgTime_hi = dim_avg_n_Wrap(uDJF_NAO_hi,0)
>>>>>>> uAvgTime_lo = dim_avg_n_Wrap(uDJF_NAO_lo,0)
>>>>>>>
>>>>>>> printVarSummary(uAvgTime_hi)
>>>>>>> printVarSummary(uAvgTime_lo)
>>>>>>>
>>>>>>> vAvgTime_hi = dim_avg_n_Wrap(vDJF_NAO_hi,0)
>>>>>>> vAvgTime_lo = dim_avg_n_Wrap(vDJF_NAO_lo,0)
>>>>>>>
>>>>>>> printVarSummary(vAvgTime_hi)
>>>>>>> printVarSummary(vAvgTime_lo)
>>>>>>>
>>>>>>> zAvgTime_hi = dim_avg_n_Wrap(zDJF_NAO_hi,0)
>>>>>>> zAvgTime_lo = dim_avg_n_Wrap(zDJF_NAO_lo,0)
>>>>>>>
>>>>>>> printVarSummary(zAvgTime_hi)
>>>>>>> printVarSummary(zAvgTime_lo)
>>>>>>>
>>>>>>> ; dirty way to copy metadata over first.
>>>>>>> diff_u = uAvgTime_hi;
>>>>>>> diff_v = vAvgTime_hi;
>>>>>>> diff_z = zAvgTime_hi;
>>>>>>>
>>>>>>> diff_u = uAvgTime_hi - uAvgTime_lo
>>>>>>> diff_v = vAvgTime_hi - vAvgTime_lo
>>>>>>> diff_z = zAvgTime_hi - zAvgTime_lo
>>>>>>>
>>>>>>> printVarSummary(diff_u)
>>>>>>> printVarSummary(diff_v)
>>>>>>> printVarSummary(diff_z)
>>>>>>>
>>>>>>> ;************************************************
>>>>>>> ; create plot
>>>>>>> ;************************************************
>>>>>>> wks = gsn_open_wks("ps","Panel_NAO_z_500") ; open a ps file
>>>>>>> plot = new(3,graphic) ; create a plot array
>>>>>>>
>>>>>>> ;---- set common resources for all plots
>>>>>>> res = True
>>>>>>> res at gsnDraw = False ; dont draw
>>>>>>> res at gsnFrame = False ; dont advance frame
>>>>>>> res at cnInfoLabelOn = False ; trn off cn info label
>>>>>>> res = True ; plot mods desired
>>>>>>> res at gsnAddCyclic = False ; has to do with wrapping the longitude
>>>>>>> at
>>>>>>> 0/360
>>>>>>> ;************************************************
>>>>>>> ; Choose a subregion
>>>>>>> ;************************************************
>>>>>>> res at mpMaxLatF = 90 ;maximum latitude
>>>>>>> res at mpMinLatF = 45 ;minimum latitude
>>>>>>> res at mpMaxLonF = 357.5 ; ;maximum longitude
>>>>>>> res at mpMinLonF = 270 ;minimum longitude
>>>>>>>
>>>>>>> ;***********************************************
>>>>>>> ; ----wind vector plot
>>>>>>> ;***********************************************
>>>>>>> vcres = True
>>>>>>> vcres at vcRefAnnoOrthogonalPosF = -1.0 ; move ref vector up
>>>>>>> vcres at vcRefMagnitudeF = 10.0 ; define vector ref mag
>>>>>>> vcres at vcRefLengthF = 0.045 ; define length of vec ref
>>>>>>> vcres at vcGlyphStyle = "CurlyVector" ; turn on curly vectors
>>>>>>> vcres at vcMinDistanceF = 0.017
>>>>>>> vcres at mpFillOn = False ; turn off gray fill
>>>>>>> vcres at mpOutlineBoundarySets = "National" ; turn on country
>>>>>>> boundaries
>>>>>>> vcres at mpGeophysicalLineColor = "Navy" ; color of cont. outlines
>>>>>>> vcres at mpGeophysicalLineThicknessF = 1.5 ; thickness of outlines
>>>>>>>
>>>>>>>
>>>>>>> ;vcres at gsnLeftString = "DJF High NAO"
>>>>>>> winds_hi = gsn_csm_vector_map_ce(wks,uAvgTime_hi,vAvgTime_hi,vcres)
>>>>>>> ;vcres at gsnLeftString = "DJF Low NAO"
>>>>>>> winds_lo = gsn_csm_vector_map_ce(wks,uAvgTime_lo,vAvgTime_lo,vcres)
>>>>>>> ;vcres at gsnLeftString = "Difference of High - Low"
>>>>>>> winds_diff = gsn_csm_vector_map_ce(wks, diff_u, diff_v,vcres)
>>>>>>> ;************************************************
>>>>>>> ;---- geopotential height filled contour plot
>>>>>>> ;***********************************************
>>>>>>> zfres = res
>>>>>>> zfres at cnFillOn = True
>>>>>>> ;zfres at cnLevelSelectionMode = "ExplicitLevels
>>>>>>> ;zfres at cnLevels = ispan(-20,90,5)
>>>>>>> zfres at lbLabelFontHeightF = 0.015
>>>>>>> zfres at lbOrientation = "Vertical"
>>>>>>> zfres at pmLabelBarOrthogonalPosF = -0.005
>>>>>>>
>>>>>>>
>>>>>>> contour_zf_hi = gsn_csm_contour(wks,zAvgTime_hi,zfres)
>>>>>>> contour_zf_lo = gsn_csm_contour(wks,zAvgTime_lo,zfres)
>>>>>>> contour_zf_diff = gsn_csm_contour(wks,diff_z,zfres)
>>>>>>>
>>>>>>> plot(0) = gsn_csm_contour(wks,zAvgTime_hi,zfres)
>>>>>>> plot(1) = gsn_csm_contour(wks,zAvgTime_lo,zfres)
>>>>>>> plot(2) = gsn_csm_contour(wks,diff_z,zfres)
>>>>>>>
>>>>>>> overlay(contour_zf_hi,winds_hi)
>>>>>>> overlay(contour_zf_lo,winds_lo)
>>>>>>> overlay(contour_zf_diff,winds_diff)
>>>>>>>
>>>>>>>
>>>>>>> ;************************************************
>>>>>>> ; create panel
>>>>>>> ;************************************************
>>>>>>> resP = True ; modify the panel plot
>>>>>>> resP at txString = "NAO 500mb"
>>>>>>> gsn_panel(wks,plot,(/3,1/),resP) ; now draw as one plot;
>>>>>>>
>>>>>>>
>>>>>>> end
>>>>>>>
>>>>>>>
>>>>>>>
>>>>>>>
>>>>>>>
>>>>>>>
>>>>>>>
>>>>>>>
>>>>>>>
>>>>>>>
>>>>>>>
>>>>>>>
>>>>>>>> Mira,
>>>>>>>>
>>>>>>>> Try this:
>>>>>>>>
>>>>>>>>
>>>>>>>> plot(0) = gsn_csm_contour(wks,zAvgTime_hi,zfres)
>>>>>>>> plot(1) = gsn_csm_contour(wks,zAvgTime_lo,zfres)
>>>>>>>> plot(2) = gsn_csm_contour(wks,diff_z,zfres)
>>>>>>>>
>>>>>>>> overlay(contour_zf_hi,winds_hi)
>>>>>>>> overlay(contour_zf_lo,winds_lo)
>>>>>>>> overlay(contour_diff,winds_diff)
>>>>>>>>
>>>>>>>> I don't believe overlay returns anything and you are trying to save
>>>>>>>> it
>>>>>>>> as
>>>>>>>> a
>>>>>>>> graphic. The code above would replace the lines in your script.
>>>>>>>>
>>>>>>>> Hope that helps,
>>>>>>>>
>>>>>>>> -Alex
>>>>>>>>
>>>>>>>>
>>>>>>>>
>>>>>>>>
>>>>>>>> On Sunday, July 26, 2015, <mberdahl at envsci.rutgers.edu
>>>>>>>> <javascript:_e(%7B%7D,'cvml','mberdahl at envsci.rutgers.edu
>>>>>>>> <mailto:mberdahl at envsci.rutgers.edu
>>>>>>>> <mailto:mberdahl at envsci.rutgers.edu
>>>>>>>> <mailto:mberdahl at envsci.rutgers.edu>>>');>> wrote:
>>>>>>>>
>>>>>>>>> Hi all,
>>>>>>>>>
>>>>>>>>> I'm trying to adapt a working code I had that was plotting 3 panel
>>>>>>>>> plots
>>>>>>>>> of wind vectors in a certain region. Now, all I want to do is add
>>>>>>>>> an
>>>>>>>>> overlay of geopotential height (filled contours) underneath each
>>>>>>>>> of
>>>>>>>>> these
>>>>>>>>> plots, but the way I'm approaching it is wrong. I've tried
>>>>>>>>> simplifying
>>>>>>>>> it
>>>>>>>>> to do this without panels, just a single plot, but I still don't
>>>>>>>>> get
>>>>>>>>> what
>>>>>>>>> I need. The error message I am getting now is:
>>>>>>>>>
>>>>>>>>> fatal:syntax error: line 153 in file plotWinds_z_NAO_level.ncl
>>>>>>>>> before
>>>>>>>>> or
>>>>>>>>> near overlay
>>>>>>>>> plot(0)= overlay
>>>>>>>>> ---------------^
>>>>>>>>>
>>>>>>>>>
>>>>>>>>> My code is copied below. Any suggestions are greatly appreciated.
>>>>>>>>> Thanks,
>>>>>>>>> Mira
>>>>>>>>>
>>>>>>>>> ;*****************************************
>>>>>>>>> ; ; plot average winds overlayed on geopotental filled contours
>>>>>>>>> for
>>>>>>>>> the
>>>>>>>>> years that are extreme
>>>>>>>>> ; the years are found with my matlab script findExtremeYrs.m
>>>>>>>>> ; this particlar script does the years that correspond to high
>>>>>>>>> correlation
>>>>>>>>> with DJF, SE precip and NAO
>>>>>>>>> ;*****************************************
>>>>>>>>> ; the original data goes from 1948 January to April 2015.
>>>>>>>>> ; I will cut it out to 2014 December, so we have something
>>>>>>>>> divisible
>>>>>>>>> by
>>>>>>>>> 12
>>>>>>>>> so we can do seasonal averages...
>>>>>>>>>
>>>>>>>>>
>>>>>>>>> load "$NCARG_ROOT/lib/ncarg/nclscripts/csm/gsn_code.ncl"
>>>>>>>>> load "$NCARG_ROOT/lib/ncarg/nclscripts/csm/gsn_csm.ncl"
>>>>>>>>> load "$NCARG_ROOT/lib/ncarg/nclscripts/csm/contributed.ncl"
>>>>>>>>> load "$NCARG_ROOT/lib/ncarg/nclscripts/csm/shea_util.ncl"
>>>>>>>>> ;************************************************
>>>>>>>>> begin
>>>>>>>>> ;************************************************
>>>>>>>>> ; read in netCDF file s
>>>>>>>>> ;************************************************
>>>>>>>>> a = addfile("uwnd.mon.mean.alllevels.nc","r") ; u winds
>>>>>>>>> b = addfile("vwnd.mon.mean.alllevels.nc","r") ; v winds
>>>>>>>>>
>>>>>>>>> c = addfile("../Geopotential/hgt.mon.mean.nc","r") ; geopotential
>>>>>>>>> heights.
>>>>>>>>>
>>>>>>>>> ;************************************************
>>>>>>>>> ; read in zonal [u] and meridional [v] winds (July)
>>>>>>>>> ;************************************************
>>>>>>>>>
>>>>>>>>> u = a->uwnd(0:803,{500},{45:90},{270:357.5})
>>>>>>>>> v = b->vwnd(0:803,{500},{45:90},{270:357.5}) ; Get u, v, time
>>>>>>>>> (1),level
>>>>>>>>> (1000hpa),latitude(-90:90) and longitude(0:360) data.
>>>>>>>>> z = c->hgt(0:803,{500},{45:90},{270:357.5}) ; get geopotenial
>>>>>>>>> heights...
>>>>>>>>>
>>>>>>>>> printVarSummary(u)
>>>>>>>>> printVarSummary(v)
>>>>>>>>> printVarSummary(z)
>>>>>>>>>
>>>>>>>>> ; Calculate the seasonal averages.
>>>>>>>>> uDJF = month_to_season(u, "DJF")
>>>>>>>>> vDJF = month_to_season(v, "DJF")
>>>>>>>>> zDJF = month_to_season(z, "DJF")
>>>>>>>>>
>>>>>>>>> printVarSummary(uDJF)
>>>>>>>>> printVarSummary(vDJF)
>>>>>>>>> printVarSummary(zDJF)
>>>>>>>>>
>>>>>>>>> ; from the matlab script i wrote: findExtremeYrs, i pulled out the
>>>>>>>>> extreme
>>>>>>>>> years (> or < 1std) that i want to average and plot here.
>>>>>>>>>
>>>>>>>>> ; for ans = 4 (NAO)
>>>>>>>>> ; yearList_hi = 1973 1975 1983 1989
>>>>>>>>> 1995
>>>>>>>>> 2000 2007 2012
>>>>>>>>> ; yearList_lo = 1963 1964 1965 1969
>>>>>>>>> 1977
>>>>>>>>> 1979 1996 1997 2010 2011
>>>>>>>>>
>>>>>>>>>
>>>>>>>>> ; this data starts at 1948 (this is index 0), so 1953=5, 1963=15
>>>>>>>>> etc.
>>>>>>>>>
>>>>>>>>> uDJF_NAO_hi = uDJF((/25,27,35,41,47,52,59,64/),:,:)
>>>>>>>>> uDJF_NAO_lo = uDJF((/15,16,17,21,29,31,48,49,62,63/),:,:)
>>>>>>>>>
>>>>>>>>> vDJF_NAO_hi = vDJF((/25,27,35,41,47,52,59,64/),:,:)
>>>>>>>>> vDJF_NAO_lo = vDJF((/15,16,17,21,29,31,48,49,62,63/),:,:)
>>>>>>>>>
>>>>>>>>> zDJF_NAO_hi = zDJF((/25,27,35,41,47,52,59,64/),:,:)
>>>>>>>>> zDJF_NAO_lo = zDJF((/15,16,17,21,29,31,48,49,62,63/),:,:)
>>>>>>>>>
>>>>>>>>>
>>>>>>>>> uAvgTime_hi = dim_avg_n_Wrap(uDJF_NAO_hi,0)
>>>>>>>>> uAvgTime_lo = dim_avg_n_Wrap(uDJF_NAO_lo,0)
>>>>>>>>>
>>>>>>>>> printVarSummary(uAvgTime_hi)
>>>>>>>>> printVarSummary(uAvgTime_lo)
>>>>>>>>>
>>>>>>>>> vAvgTime_hi = dim_avg_n_Wrap(vDJF_NAO_hi,0)
>>>>>>>>> vAvgTime_lo = dim_avg_n_Wrap(vDJF_NAO_lo,0)
>>>>>>>>>
>>>>>>>>> printVarSummary(vAvgTime_hi)
>>>>>>>>> printVarSummary(vAvgTime_lo)
>>>>>>>>>
>>>>>>>>> zAvgTime_hi = dim_avg_n_Wrap(zDJF_NAO_hi,0)
>>>>>>>>> zAvgTime_lo = dim_avg_n_Wrap(zDJF_NAO_lo,0)
>>>>>>>>>
>>>>>>>>> printVarSummary(zAvgTime_hi)
>>>>>>>>> printVarSummary(zAvgTime_lo)
>>>>>>>>>
>>>>>>>>> ; dirty way to copy metadata over first.
>>>>>>>>> diff_u = uAvgTime_hi;
>>>>>>>>> diff_v = vAvgTime_hi;
>>>>>>>>> diff_z = zAvgTime_hi;
>>>>>>>>>
>>>>>>>>> diff_u = uAvgTime_hi - uAvgTime_lo
>>>>>>>>> diff_v = vAvgTime_hi - vAvgTime_lo
>>>>>>>>> diff_z = zAvgTime_hi - zAvgTime_lo
>>>>>>>>>
>>>>>>>>> printVarSummary(diff_u)
>>>>>>>>> printVarSummary(diff_v)
>>>>>>>>> printVarSummary(diff_z)
>>>>>>>>>
>>>>>>>>> ;************************************************
>>>>>>>>> ; create plot
>>>>>>>>> ;************************************************
>>>>>>>>> wks = gsn_open_wks("ps","Panel_NAO_z_500") ; open a
>>>>>>>>> ps
>>>>>>>>> file
>>>>>>>>> plot = new(3,graphic) ; create a plot
>>>>>>>>> array
>>>>>>>>>
>>>>>>>>> ;---- set common resources for all plots
>>>>>>>>> res = True
>>>>>>>>> res at gsnDraw = False ; dont draw
>>>>>>>>> res at gsnFrame = False ; dont advance
>>>>>>>>> frame
>>>>>>>>> res at cnInfoLabelOn = False ; trn off cn info
>>>>>>>>> label
>>>>>>>>> res = True ; plot mods
>>>>>>>>> desired
>>>>>>>>> res at gsnAddCyclic = False ; has to do with
>>>>>>>>> wrapping
>>>>>>>>> the longitude at 0/360
>>>>>>>>> ;************************************************
>>>>>>>>> ; Choose a subregion
>>>>>>>>> ;************************************************
>>>>>>>>> res at mpMaxLatF = 90 ;maximum latitude
>>>>>>>>> res at mpMinLatF = 45 ;minimum latitude
>>>>>>>>> res at mpMaxLonF = 357.5 ; ;maximum longitude
>>>>>>>>> res at mpMinLonF = 270 ;minimum longitude
>>>>>>>>>
>>>>>>>>> ;***********************************************
>>>>>>>>> ; ----wind vector plot
>>>>>>>>> ;***********************************************
>>>>>>>>> vcres = True
>>>>>>>>> vcres at vcRefAnnoOrthogonalPosF = -1.0 ; move ref vector
>>>>>>>>> up
>>>>>>>>> vcres at vcRefMagnitudeF = 10.0 ; define vector
>>>>>>>>> ref
>>>>>>>>> mag
>>>>>>>>> vcres at vcRefLengthF = 0.045 ; define length of
>>>>>>>>> vec
>>>>>>>>> ref
>>>>>>>>> vcres at vcGlyphStyle = "CurlyVector" ; turn on curly
>>>>>>>>> vectors
>>>>>>>>> vcres at vcMinDistanceF = 0.017
>>>>>>>>> vcres at mpFillOn = False ; turn off gray
>>>>>>>>> fill
>>>>>>>>> vcres at mpOutlineBoundarySets = "National" ; turn on country
>>>>>>>>> boundaries
>>>>>>>>> vcres at mpGeophysicalLineColor = "Navy" ; color of cont.
>>>>>>>>> outlines
>>>>>>>>> vcres at mpGeophysicalLineThicknessF = 1.5 ; thickness of
>>>>>>>>> outlines
>>>>>>>>>
>>>>>>>>>
>>>>>>>>> ;vcres at gsnLeftString = "DJF High NAO"
>>>>>>>>> winds_hi =
>>>>>>>>> gsn_csm_vector_map_ce(wks,uAvgTime_hi,vAvgTime_hi,vcres)
>>>>>>>>> ;vcres at gsnLeftString = "DJF Low NAO"
>>>>>>>>> winds_lo =
>>>>>>>>> gsn_csm_vector_map_ce(wks,uAvgTime_lo,vAvgTime_lo,vcres)
>>>>>>>>> ;vcres at gsnLeftString = "Difference of High - Low"
>>>>>>>>> winds_diff = gsn_csm_vector_map_ce(wks, diff_u, diff_v,vcres)
>>>>>>>>> ;************************************************
>>>>>>>>> ;---- geopotential height filled contour plot
>>>>>>>>> ;***********************************************
>>>>>>>>> zfres = res
>>>>>>>>> zfres at cnFillOn = True
>>>>>>>>> ;zfres at cnLevelSelectionMode = "ExplicitLevels
>>>>>>>>> ;zfres at cnLevels = ispan(-20,90,5)
>>>>>>>>> zfres at lbLabelFontHeightF = 0.015
>>>>>>>>> zfres at lbOrientation = "Vertical"
>>>>>>>>> zfres at pmLabelBarOrthogonalPosF = -0.005
>>>>>>>>>
>>>>>>>>>
>>>>>>>>> contour_zf_hi = gsn_csm_contour(wks,zAvgTime_hi,zfres)
>>>>>>>>> contour_zf_lo = gsn_csm_contour(wks,zAvgTime_lo,zfres)
>>>>>>>>> contour_zf_diff = gsn_csm_contour(wks,diff_z,zfres)
>>>>>>>>>
>>>>>>>>> plot(0) = overlay(contour_zf_hi,winds_hi)
>>>>>>>>> plot(1) = overlay(contour_zf_lo,winds_lo)
>>>>>>>>> plot(2) = overlay(contour_diff,winds_diff)
>>>>>>>>>
>>>>>>>>>
>>>>>>>>> ;************************************************
>>>>>>>>> ; create panel
>>>>>>>>> ;************************************************
>>>>>>>>> resP = True ; modify the panel
>>>>>>>>> plot
>>>>>>>>> resP at txString = "NAO 500mb"
>>>>>>>>> gsn_panel(wks,plot,(/3,1/),resP) ; now draw as one
>>>>>>>>> plot;
>>>>>>>>>
>>>>>>>>>
>>>>>>>>> end
>>>>>>>>>
>>>>>>>>>
>>>>>>>>> _______________________________________________
>>>>>>>>> ncl-talk mailing list
>>>>>>>>> ncl-talk at ucar.edu
>>>>>>>>> List instructions, subscriber options, unsubscribe:
>>>>>>>>> http://mailman.ucar.edu/mailman/listinfo/ncl-talk
>>>>>>>>>
>>>>>>>>
>>>>>>> <Panel_NAO_z_500.pdf>
>>
>>
>
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